Browse Source

- moved all the GUI Preferences classes into it's own file flatcamGUI.PreferencesUI.py

Marius Stanciu 6 years ago
parent
commit
fc1674ebc4
3 changed files with 4735 additions and 4721 deletions
  1. 1 0
      README.md
  2. 23 4721
      flatcamGUI/FlatCAMGUI.py
  3. 4711 0
      flatcamGUI/PreferencesUI.py

+ 1 - 0
README.md

@@ -26,6 +26,7 @@ CAD program, and create G-Code for Isolation routing.
 - changed the script icon to a smaller one in the sys tray menu
 - fixed bug with losing the visibility of toolbars if at first startup the user tries to change something in the Preferences before doing a first save of Preferences
 - changed a bit the splash PNG file
+- moved all the GUI Preferences classes into it's own file flatcamGUI.PreferencesUI.py
 
 18.09.2019
 

File diff suppressed because it is too large
+ 23 - 4721
flatcamGUI/FlatCAMGUI.py


+ 4711 - 0
flatcamGUI/PreferencesUI.py

@@ -0,0 +1,4711 @@
+from PyQt5.QtCore import QSettings
+from flatcamGUI.GUIElements import *
+import platform
+import webbrowser
+import sys
+
+from flatcamEditors.FlatCAMGeoEditor import FCShapeTool
+
+import gettext
+import FlatCAMTranslation as fcTranslate
+import builtins
+
+fcTranslate.apply_language('strings')
+if '_' not in builtins.__dict__:
+    _ = gettext.gettext
+
+
+class OptionsGroupUI(QtWidgets.QGroupBox):
+    def __init__(self, title, parent=None):
+        # QtGui.QGroupBox.__init__(self, title, parent=parent)
+        super(OptionsGroupUI, self).__init__()
+        self.setStyleSheet("""
+        QGroupBox
+        {
+            font-size: 16px;
+            font-weight: bold;
+        }
+        """)
+
+        self.layout = QtWidgets.QVBoxLayout()
+        self.setLayout(self.layout)
+
+
+class GeneralPreferencesUI(QtWidgets.QWidget):
+    def __init__(self, parent=None):
+        QtWidgets.QWidget.__init__(self, parent=parent)
+        self.layout = QtWidgets.QHBoxLayout()
+        self.setLayout(self.layout)
+
+        self.general_app_group = GeneralAppPrefGroupUI()
+        self.general_app_group.setMinimumWidth(290)
+
+        self.general_gui_group = GeneralGUIPrefGroupUI()
+        self.general_gui_group.setMinimumWidth(250)
+
+        self.general_gui_set_group = GeneralGUISetGroupUI()
+        self.general_gui_set_group.setMinimumWidth(250)
+
+        self.layout.addWidget(self.general_app_group)
+        self.layout.addWidget(self.general_gui_group)
+        self.layout.addWidget(self.general_gui_set_group)
+
+        self.layout.addStretch()
+
+
+class GerberPreferencesUI(QtWidgets.QWidget):
+
+    def __init__(self, parent=None):
+        QtWidgets.QWidget.__init__(self, parent=parent)
+        self.layout = QtWidgets.QHBoxLayout()
+        self.setLayout(self.layout)
+
+        self.gerber_gen_group = GerberGenPrefGroupUI()
+        self.gerber_gen_group.setMinimumWidth(250)
+        self.gerber_opt_group = GerberOptPrefGroupUI()
+        self.gerber_opt_group.setMinimumWidth(250)
+        self.gerber_exp_group = GerberExpPrefGroupUI()
+        self.gerber_exp_group.setMinimumWidth(230)
+        self.gerber_adv_opt_group = GerberAdvOptPrefGroupUI()
+        self.gerber_adv_opt_group.setMinimumWidth(200)
+        self.gerber_editor_group = GerberEditorPrefGroupUI()
+        self.gerber_editor_group.setMinimumWidth(200)
+
+        self.vlay = QtWidgets.QVBoxLayout()
+        self.vlay.addWidget(self.gerber_opt_group)
+        self.vlay.addWidget(self.gerber_exp_group)
+
+        self.layout.addWidget(self.gerber_gen_group)
+        self.layout.addLayout(self.vlay)
+        self.layout.addWidget(self.gerber_adv_opt_group)
+        self.layout.addWidget(self.gerber_editor_group)
+
+        self.layout.addStretch()
+
+
+class ExcellonPreferencesUI(QtWidgets.QWidget):
+
+    def __init__(self, parent=None):
+        QtWidgets.QWidget.__init__(self, parent=parent)
+        self.layout = QtWidgets.QHBoxLayout()
+        self.setLayout(self.layout)
+
+        self.excellon_gen_group = ExcellonGenPrefGroupUI()
+        self.excellon_gen_group.setMinimumWidth(220)
+        self.excellon_opt_group = ExcellonOptPrefGroupUI()
+        self.excellon_opt_group.setMinimumWidth(290)
+        self.excellon_exp_group = ExcellonExpPrefGroupUI()
+        self.excellon_exp_group.setMinimumWidth(250)
+        self.excellon_adv_opt_group = ExcellonAdvOptPrefGroupUI()
+        self.excellon_adv_opt_group.setMinimumWidth(250)
+        self.excellon_editor_group = ExcellonEditorPrefGroupUI()
+        self.excellon_editor_group.setMinimumWidth(260)
+
+        self.vlay = QtWidgets.QVBoxLayout()
+        self.vlay.addWidget(self.excellon_opt_group)
+        self.vlay.addWidget(self.excellon_exp_group)
+
+        self.layout.addWidget(self.excellon_gen_group)
+        self.layout.addLayout(self.vlay)
+        self.layout.addWidget(self.excellon_adv_opt_group)
+        self.layout.addWidget(self.excellon_editor_group)
+
+        self.layout.addStretch()
+
+
+class GeometryPreferencesUI(QtWidgets.QWidget):
+
+    def __init__(self, parent=None):
+        QtWidgets.QWidget.__init__(self, parent=parent)
+        self.layout = QtWidgets.QHBoxLayout()
+        self.setLayout(self.layout)
+
+        self.geometry_gen_group = GeometryGenPrefGroupUI()
+        self.geometry_gen_group.setMinimumWidth(220)
+        self.geometry_opt_group = GeometryOptPrefGroupUI()
+        self.geometry_opt_group.setMinimumWidth(300)
+        self.geometry_adv_opt_group = GeometryAdvOptPrefGroupUI()
+        self.geometry_adv_opt_group.setMinimumWidth(270)
+        self.geometry_editor_group = GeometryEditorPrefGroupUI()
+        self.geometry_editor_group.setMinimumWidth(250)
+
+        self.layout.addWidget(self.geometry_gen_group)
+        self.layout.addWidget(self.geometry_opt_group)
+        self.layout.addWidget(self.geometry_adv_opt_group)
+        self.layout.addWidget(self.geometry_editor_group)
+
+        self.layout.addStretch()
+
+
+class ToolsPreferencesUI(QtWidgets.QWidget):
+
+    def __init__(self, parent=None):
+        QtWidgets.QWidget.__init__(self, parent=parent)
+        self.layout = QtWidgets.QHBoxLayout()
+        self.setLayout(self.layout)
+
+        self.tools_ncc_group = ToolsNCCPrefGroupUI()
+        self.tools_ncc_group.setMinimumWidth(220)
+        self.tools_paint_group = ToolsPaintPrefGroupUI()
+        self.tools_paint_group.setMinimumWidth(220)
+
+        self.tools_cutout_group = ToolsCutoutPrefGroupUI()
+        self.tools_cutout_group.setMinimumWidth(220)
+
+        self.tools_2sided_group = Tools2sidedPrefGroupUI()
+        self.tools_2sided_group.setMinimumWidth(220)
+
+        self.tools_film_group = ToolsFilmPrefGroupUI()
+        self.tools_film_group.setMinimumWidth(220)
+
+        self.tools_panelize_group = ToolsPanelizePrefGroupUI()
+        self.tools_panelize_group.setMinimumWidth(220)
+
+        self.tools_calculators_group = ToolsCalculatorsPrefGroupUI()
+        self.tools_calculators_group.setMinimumWidth(220)
+
+        self.tools_transform_group = ToolsTransformPrefGroupUI()
+        self.tools_transform_group.setMinimumWidth(200)
+
+        self.tools_solderpaste_group = ToolsSolderpastePrefGroupUI()
+        self.tools_solderpaste_group.setMinimumWidth(200)
+
+        self.tools_sub_group = ToolsSubPrefGroupUI()
+        self.tools_sub_group.setMinimumWidth(200)
+
+        self.vlay = QtWidgets.QVBoxLayout()
+        self.vlay.addWidget(self.tools_ncc_group)
+        self.vlay.addWidget(self.tools_paint_group)
+
+        self.vlay1 = QtWidgets.QVBoxLayout()
+        self.vlay1.addWidget(self.tools_cutout_group)
+        self.vlay1.addWidget(self.tools_transform_group)
+        self.vlay1.addWidget(self.tools_2sided_group)
+
+        self.vlay2 = QtWidgets.QVBoxLayout()
+        self.vlay2.addWidget(self.tools_panelize_group)
+        self.vlay2.addWidget(self.tools_calculators_group)
+
+        self.vlay3 = QtWidgets.QVBoxLayout()
+        self.vlay3.addWidget(self.tools_solderpaste_group)
+        self.vlay3.addWidget(self.tools_sub_group)
+        self.vlay3.addWidget(self.tools_film_group)
+
+        self.layout.addLayout(self.vlay)
+        self.layout.addLayout(self.vlay1)
+        self.layout.addLayout(self.vlay2)
+        self.layout.addLayout(self.vlay3)
+
+        self.layout.addStretch()
+
+
+class CNCJobPreferencesUI(QtWidgets.QWidget):
+
+    def __init__(self, parent=None):
+        QtWidgets.QWidget.__init__(self, parent=parent)
+        self.layout = QtWidgets.QHBoxLayout()
+        self.setLayout(self.layout)
+
+        self.cncjob_gen_group = CNCJobGenPrefGroupUI()
+        self.cncjob_gen_group.setMinimumWidth(320)
+        self.cncjob_opt_group = CNCJobOptPrefGroupUI()
+        self.cncjob_opt_group.setMinimumWidth(260)
+        self.cncjob_adv_opt_group = CNCJobAdvOptPrefGroupUI()
+        self.cncjob_adv_opt_group.setMinimumWidth(260)
+
+        self.layout.addWidget(self.cncjob_gen_group)
+        self.layout.addWidget(self.cncjob_opt_group)
+        self.layout.addWidget(self.cncjob_adv_opt_group)
+
+        self.layout.addStretch()
+
+
+class UtilPreferencesUI(QtWidgets.QWidget):
+
+    def __init__(self, parent=None):
+        QtWidgets.QWidget.__init__(self, parent=parent)
+        self.layout = QtWidgets.QHBoxLayout()
+        self.setLayout(self.layout)
+
+        self.vlay = QtWidgets.QVBoxLayout()
+        self.fa_excellon_group = FAExcPrefGroupUI()
+        self.fa_excellon_group.setMinimumWidth(260)
+
+        self.fa_gcode_group = FAGcoPrefGroupUI()
+        self.fa_gcode_group.setMinimumWidth(260)
+
+        self.vlay.addWidget(self.fa_excellon_group)
+        self.vlay.addWidget(self.fa_gcode_group)
+
+        self.fa_gerber_group = FAGrbPrefGroupUI()
+        self.fa_gerber_group.setMinimumWidth(260)
+
+        self.kw_group = AutoCompletePrefGroupUI()
+        self.kw_group.setMinimumWidth(260)
+
+        self.layout.addLayout(self.vlay)
+        self.layout.addWidget(self.fa_gerber_group)
+        self.layout.addWidget(self.kw_group)
+
+        self.layout.addStretch()
+
+
+class GeneralGUIPrefGroupUI(OptionsGroupUI):
+    def __init__(self, parent=None):
+        super(GeneralGUIPrefGroupUI, self).__init__(self)
+
+        self.setTitle(str(_("GUI Preferences")))
+
+        # Create a form layout for the Application general settings
+        self.form_box = QtWidgets.QFormLayout()
+
+        # Grid X Entry
+        self.gridx_label = QtWidgets.QLabel('%s:' % _('Grid X value'))
+        self.gridx_label.setToolTip(
+           _("This is the Grid snap value on X axis.")
+        )
+        self.gridx_entry = FCEntry3()
+
+        # Grid Y Entry
+        self.gridy_label = QtWidgets.QLabel('%s:' % _('Grid Y value'))
+        self.gridy_label.setToolTip(
+            _("This is the Grid snap value on Y axis.")
+        )
+        self.gridy_entry = FCEntry3()
+
+        # Snap Max Entry
+        self.snap_max_label = QtWidgets.QLabel('%s:' % _('Snap Max'))
+        self.snap_max_label.setToolTip(_("Max. magnet distance"))
+        self.snap_max_dist_entry = FCEntry()
+
+        # Workspace
+        self.workspace_lbl = QtWidgets.QLabel('%s:' % _('Workspace'))
+        self.workspace_lbl.setToolTip(
+           _("Draw a delimiting rectangle on canvas.\n"
+             "The purpose is to illustrate the limits for our work.")
+        )
+        self.workspace_type_lbl = QtWidgets.QLabel('%s:' % _('Wk. format'))
+        self.workspace_type_lbl.setToolTip(
+           _("Select the type of rectangle to be used on canvas,\n"
+             "as valid workspace.")
+        )
+        self.workspace_cb = FCCheckBox()
+        self.wk_cb = FCComboBox()
+        self.wk_cb.addItem('A4P')
+        self.wk_cb.addItem('A4L')
+        self.wk_cb.addItem('A3P')
+        self.wk_cb.addItem('A3L')
+
+        self.wks = OptionalInputSection(self.workspace_cb, [self.workspace_type_lbl, self.wk_cb])
+
+        # Plot Fill Color
+        self.pf_color_label = QtWidgets.QLabel('%s:' % _('Plot Fill'))
+        self.pf_color_label.setToolTip(
+           _("Set the fill color for plotted objects.\n"
+             "First 6 digits are the color and the last 2\n"
+             "digits are for alpha (transparency) level.")
+        )
+        self.pf_color_entry = FCEntry()
+        self.pf_color_button = QtWidgets.QPushButton()
+        self.pf_color_button.setFixedSize(15, 15)
+
+        self.form_box_child_1 = QtWidgets.QHBoxLayout()
+        self.form_box_child_1.addWidget(self.pf_color_entry)
+        self.form_box_child_1.addWidget(self.pf_color_button)
+        self.form_box_child_1.setAlignment(QtCore.Qt.AlignLeft | QtCore.Qt.AlignVCenter)
+
+        # Plot Fill Transparency Level
+        self.pf_alpha_label = QtWidgets.QLabel('%s:' % _('Alpha Level'))
+        self.pf_alpha_label.setToolTip(
+           _("Set the fill transparency for plotted objects.")
+        )
+        self.pf_color_alpha_slider = QtWidgets.QSlider(QtCore.Qt.Horizontal)
+        self.pf_color_alpha_slider.setMinimum(0)
+        self.pf_color_alpha_slider.setMaximum(255)
+        self.pf_color_alpha_slider.setSingleStep(1)
+
+        self.pf_color_alpha_spinner = FCSpinner()
+        self.pf_color_alpha_spinner.setMinimumWidth(70)
+        self.pf_color_alpha_spinner.setMinimum(0)
+        self.pf_color_alpha_spinner.setMaximum(255)
+
+        self.form_box_child_2 = QtWidgets.QHBoxLayout()
+        self.form_box_child_2.addWidget(self.pf_color_alpha_slider)
+        self.form_box_child_2.addWidget(self.pf_color_alpha_spinner)
+
+        # Plot Line Color
+        self.pl_color_label = QtWidgets.QLabel('%s:' % _('Plot Line'))
+        self.pl_color_label.setToolTip(
+           _("Set the line color for plotted objects.")
+        )
+        self.pl_color_entry = FCEntry()
+        self.pl_color_button = QtWidgets.QPushButton()
+        self.pl_color_button.setFixedSize(15, 15)
+
+        self.form_box_child_3 = QtWidgets.QHBoxLayout()
+        self.form_box_child_3.addWidget(self.pl_color_entry)
+        self.form_box_child_3.addWidget(self.pl_color_button)
+        self.form_box_child_3.setAlignment(QtCore.Qt.AlignLeft | QtCore.Qt.AlignVCenter)
+
+        # Plot Selection (left - right) Fill Color
+        self.sf_color_label = QtWidgets.QLabel('%s:' % _('Sel. Fill'))
+        self.sf_color_label.setToolTip(
+            _("Set the fill color for the selection box\n"
+              "in case that the selection is done from left to right.\n"
+              "First 6 digits are the color and the last 2\n"
+              "digits are for alpha (transparency) level.")
+        )
+        self.sf_color_entry = FCEntry()
+        self.sf_color_button = QtWidgets.QPushButton()
+        self.sf_color_button.setFixedSize(15, 15)
+
+        self.form_box_child_4 = QtWidgets.QHBoxLayout()
+        self.form_box_child_4.addWidget(self.sf_color_entry)
+        self.form_box_child_4.addWidget(self.sf_color_button)
+        self.form_box_child_4.setAlignment(QtCore.Qt.AlignLeft | QtCore.Qt.AlignVCenter)
+
+        # Plot Selection (left - right) Fill Transparency Level
+        self.sf_alpha_label = QtWidgets.QLabel('%s:' % _('Alpha Level'))
+        self.sf_alpha_label.setToolTip(
+            _("Set the fill transparency for the 'left to right' selection box.")
+        )
+        self.sf_color_alpha_slider = QtWidgets.QSlider(QtCore.Qt.Horizontal)
+        self.sf_color_alpha_slider.setMinimum(0)
+        self.sf_color_alpha_slider.setMaximum(255)
+        self.sf_color_alpha_slider.setSingleStep(1)
+
+        self.sf_color_alpha_spinner = FCSpinner()
+        self.sf_color_alpha_spinner.setMinimumWidth(70)
+        self.sf_color_alpha_spinner.setMinimum(0)
+        self.sf_color_alpha_spinner.setMaximum(255)
+
+        self.form_box_child_5 = QtWidgets.QHBoxLayout()
+        self.form_box_child_5.addWidget(self.sf_color_alpha_slider)
+        self.form_box_child_5.addWidget(self.sf_color_alpha_spinner)
+
+        # Plot Selection (left - right) Line Color
+        self.sl_color_label = QtWidgets.QLabel('%s:' % _('Sel. Line'))
+        self.sl_color_label.setToolTip(
+            _("Set the line color for the 'left to right' selection box.")
+        )
+        self.sl_color_entry = FCEntry()
+        self.sl_color_button = QtWidgets.QPushButton()
+        self.sl_color_button.setFixedSize(15, 15)
+
+        self.form_box_child_6 = QtWidgets.QHBoxLayout()
+        self.form_box_child_6.addWidget(self.sl_color_entry)
+        self.form_box_child_6.addWidget(self.sl_color_button)
+        self.form_box_child_6.setAlignment(QtCore.Qt.AlignLeft | QtCore.Qt.AlignVCenter)
+
+        # Plot Selection (right - left) Fill Color
+        self.alt_sf_color_label = QtWidgets.QLabel('%s:' % _('Sel2. Fill'))
+        self.alt_sf_color_label.setToolTip(
+            _("Set the fill color for the selection box\n"
+              "in case that the selection is done from right to left.\n"
+              "First 6 digits are the color and the last 2\n"
+              "digits are for alpha (transparency) level.")
+        )
+        self.alt_sf_color_entry = FCEntry()
+        self.alt_sf_color_button = QtWidgets.QPushButton()
+        self.alt_sf_color_button.setFixedSize(15, 15)
+
+        self.form_box_child_7 = QtWidgets.QHBoxLayout()
+        self.form_box_child_7.addWidget(self.alt_sf_color_entry)
+        self.form_box_child_7.addWidget(self.alt_sf_color_button)
+        self.form_box_child_7.setAlignment(QtCore.Qt.AlignLeft | QtCore.Qt.AlignVCenter)
+
+        # Plot Selection (right - left) Fill Transparency Level
+        self.alt_sf_alpha_label = QtWidgets.QLabel('%s:' % _('Alpha Level'))
+        self.alt_sf_alpha_label.setToolTip(
+            _("Set the fill transparency for selection 'right to left' box.")
+        )
+        self.alt_sf_color_alpha_slider = QtWidgets.QSlider(QtCore.Qt.Horizontal)
+        self.alt_sf_color_alpha_slider.setMinimum(0)
+        self.alt_sf_color_alpha_slider.setMaximum(255)
+        self.alt_sf_color_alpha_slider.setSingleStep(1)
+
+        self.alt_sf_color_alpha_spinner = FCSpinner()
+        self.alt_sf_color_alpha_spinner.setMinimumWidth(70)
+        self.alt_sf_color_alpha_spinner.setMinimum(0)
+        self.alt_sf_color_alpha_spinner.setMaximum(255)
+
+        self.form_box_child_8 = QtWidgets.QHBoxLayout()
+        self.form_box_child_8.addWidget(self.alt_sf_color_alpha_slider)
+        self.form_box_child_8.addWidget(self.alt_sf_color_alpha_spinner)
+
+        # Plot Selection (right - left) Line Color
+        self.alt_sl_color_label = QtWidgets.QLabel('%s:' % _('Sel2. Line'))
+        self.alt_sl_color_label.setToolTip(
+            _("Set the line color for the 'right to left' selection box.")
+        )
+        self.alt_sl_color_entry = FCEntry()
+        self.alt_sl_color_button = QtWidgets.QPushButton()
+        self.alt_sl_color_button.setFixedSize(15, 15)
+
+        self.form_box_child_9 = QtWidgets.QHBoxLayout()
+        self.form_box_child_9.addWidget(self.alt_sl_color_entry)
+        self.form_box_child_9.addWidget(self.alt_sl_color_button)
+        self.form_box_child_9.setAlignment(QtCore.Qt.AlignLeft | QtCore.Qt.AlignVCenter)
+
+        # Editor Draw Color
+        self.draw_color_label = QtWidgets.QLabel('%s:' % _('Editor Draw'))
+        self.alt_sf_color_label.setToolTip(
+            _("Set the color for the shape.")
+        )
+        self.draw_color_entry = FCEntry()
+        self.draw_color_button = QtWidgets.QPushButton()
+        self.draw_color_button.setFixedSize(15, 15)
+
+        self.form_box_child_10 = QtWidgets.QHBoxLayout()
+        self.form_box_child_10.addWidget(self.draw_color_entry)
+        self.form_box_child_10.addWidget(self.draw_color_button)
+        self.form_box_child_10.setAlignment(QtCore.Qt.AlignLeft | QtCore.Qt.AlignVCenter)
+
+        # Editor Draw Selection Color
+        self.sel_draw_color_label = QtWidgets.QLabel('%s:' % _('Editor Draw Sel.'))
+        self.sel_draw_color_label.setToolTip(
+            _("Set the color of the shape when selected.")
+        )
+        self.sel_draw_color_entry = FCEntry()
+        self.sel_draw_color_button = QtWidgets.QPushButton()
+        self.sel_draw_color_button.setFixedSize(15, 15)
+
+        self.form_box_child_11 = QtWidgets.QHBoxLayout()
+        self.form_box_child_11.addWidget(self.sel_draw_color_entry)
+        self.form_box_child_11.addWidget(self.sel_draw_color_button)
+        self.form_box_child_11.setAlignment(QtCore.Qt.AlignLeft | QtCore.Qt.AlignVCenter)
+
+        # Project Tab items color
+        self.proj_color_label = QtWidgets.QLabel('%s:' % _('Project Items'))
+        self.proj_color_label.setToolTip(
+            _("Set the color of the items in Project Tab Tree.")
+        )
+        self.proj_color_entry = FCEntry()
+        self.proj_color_button = QtWidgets.QPushButton()
+        self.proj_color_button.setFixedSize(15, 15)
+
+        self.form_box_child_12 = QtWidgets.QHBoxLayout()
+        self.form_box_child_12.addWidget(self.proj_color_entry)
+        self.form_box_child_12.addWidget(self.proj_color_button)
+        self.form_box_child_12.setAlignment(QtCore.Qt.AlignLeft | QtCore.Qt.AlignVCenter)
+
+        self.proj_color_dis_label = QtWidgets.QLabel('%s:' % _('Proj. Dis. Items'))
+        self.proj_color_dis_label.setToolTip(
+            _("Set the color of the items in Project Tab Tree,\n"
+              "for the case when the items are disabled.")
+        )
+        self.proj_color_dis_entry = FCEntry()
+        self.proj_color_dis_button = QtWidgets.QPushButton()
+        self.proj_color_dis_button.setFixedSize(15, 15)
+
+        self.form_box_child_13 = QtWidgets.QHBoxLayout()
+        self.form_box_child_13.addWidget(self.proj_color_dis_entry)
+        self.form_box_child_13.addWidget(self.proj_color_dis_button)
+        self.form_box_child_13.setAlignment(QtCore.Qt.AlignLeft | QtCore.Qt.AlignVCenter)
+
+        # Activity monitor icon
+        self.activity_label = QtWidgets.QLabel('%s:' % _("Activity Icon"))
+        self.activity_label.setToolTip(
+            _("Select the GIF that show activity when FlatCAM is active.")
+        )
+        self.activity_combo = FCComboBox()
+        self.activity_combo.addItems(['Ball black', 'Ball green', 'Arrow green', 'Eclipse green'])
+
+        # Just to add empty rows
+        self.spacelabel = QtWidgets.QLabel('')
+
+        # Add (label - input field) pair to the QFormLayout
+        self.form_box.addRow(self.spacelabel, self.spacelabel)
+
+        self.form_box.addRow(self.gridx_label, self.gridx_entry)
+        self.form_box.addRow(self.gridy_label, self.gridy_entry)
+        self.form_box.addRow(self.snap_max_label, self.snap_max_dist_entry)
+
+        self.form_box.addRow(self.workspace_lbl, self.workspace_cb)
+        self.form_box.addRow(self.workspace_type_lbl, self.wk_cb)
+        self.form_box.addRow(self.spacelabel, self.spacelabel)
+        self.form_box.addRow(self.pf_color_label, self.form_box_child_1)
+        self.form_box.addRow(self.pf_alpha_label, self.form_box_child_2)
+        self.form_box.addRow(self.pl_color_label, self.form_box_child_3)
+        self.form_box.addRow(self.sf_color_label, self.form_box_child_4)
+        self.form_box.addRow(self.sf_alpha_label, self.form_box_child_5)
+        self.form_box.addRow(self.sl_color_label, self.form_box_child_6)
+        self.form_box.addRow(self.alt_sf_color_label, self.form_box_child_7)
+        self.form_box.addRow(self.alt_sf_alpha_label, self.form_box_child_8)
+        self.form_box.addRow(self.alt_sl_color_label, self.form_box_child_9)
+        self.form_box.addRow(self.draw_color_label, self.form_box_child_10)
+        self.form_box.addRow(self.sel_draw_color_label, self.form_box_child_11)
+        self.form_box.addRow(QtWidgets.QLabel(""))
+        self.form_box.addRow(self.proj_color_label, self.form_box_child_12)
+        self.form_box.addRow(self.proj_color_dis_label, self.form_box_child_13)
+
+        self.form_box.addRow(self.activity_label, self.activity_combo)
+
+        self.form_box.addRow(self.spacelabel, self.spacelabel)
+
+        # Add the QFormLayout that holds the Application general defaults
+        # to the main layout of this TAB
+        self.layout.addLayout(self.form_box)
+
+
+class GeneralGUISetGroupUI(OptionsGroupUI):
+    def __init__(self, parent=None):
+        super(GeneralGUISetGroupUI, self).__init__(self)
+
+        self.setTitle(str(_("GUI Settings")))
+
+        # Create a form layout for the Application general settings
+        self.form_box = QtWidgets.QFormLayout()
+
+        # Layout selection
+        self.layout_label = QtWidgets.QLabel('%s:' % _('Layout'))
+        self.layout_label.setToolTip(
+            _("Select an layout for FlatCAM.\n"
+              "It is applied immediately.")
+        )
+        self.layout_combo = FCComboBox()
+        # don't translate the QCombo items as they are used in QSettings and identified by name
+        self.layout_combo.addItem("standard")
+        self.layout_combo.addItem("compact")
+
+        # Set the current index for layout_combo
+        settings = QSettings("Open Source", "FlatCAM")
+        if settings.contains("layout"):
+            layout = settings.value('layout', type=str)
+            idx = self.layout_combo.findText(layout.capitalize())
+            self.layout_combo.setCurrentIndex(idx)
+
+        # Style selection
+        self.style_label = QtWidgets.QLabel('%s:' % _('Style'))
+        self.style_label.setToolTip(
+            _("Select an style for FlatCAM.\n"
+              "It will be applied at the next app start.")
+        )
+        self.style_combo = FCComboBox()
+        self.style_combo.addItems(QtWidgets.QStyleFactory.keys())
+        # find current style
+        index = self.style_combo.findText(QtWidgets.qApp.style().objectName(), QtCore.Qt.MatchFixedString)
+        self.style_combo.setCurrentIndex(index)
+        self.style_combo.activated[str].connect(self.handle_style)
+
+        # Enable High DPI Support
+        self.hdpi_label = QtWidgets.QLabel('%s:' % _('HDPI Support'))
+        self.hdpi_label.setToolTip(
+            _("Enable High DPI support for FlatCAM.\n"
+              "It will be applied at the next app start.")
+        )
+        self.hdpi_cb = FCCheckBox()
+
+        settings = QSettings("Open Source", "FlatCAM")
+        if settings.contains("hdpi"):
+            self.hdpi_cb.set_value(settings.value('hdpi', type=int))
+        else:
+            self.hdpi_cb.set_value(False)
+        self.hdpi_cb.stateChanged.connect(self.handle_hdpi)
+
+        # Clear Settings
+        self.clear_label = QtWidgets.QLabel('%s:' % _('Clear GUI Settings'))
+        self.clear_label.setToolTip(
+            _("Clear the GUI settings for FlatCAM,\n"
+              "such as: layout, gui state, style, hdpi support etc.")
+        )
+        self.clear_btn = FCButton(_("Clear"))
+        self.clear_btn.clicked.connect(self.handle_clear)
+
+        # Enable Hover box
+        self.hover_label = QtWidgets.QLabel('%s:' % _('Hover Shape'))
+        self.hover_label.setToolTip(
+            _("Enable display of a hover shape for FlatCAM objects.\n"
+              "It is displayed whenever the mouse cursor is hovering\n"
+              "over any kind of not-selected object.")
+        )
+        self.hover_cb = FCCheckBox()
+
+        # Enable Selection box
+        self.selection_label = QtWidgets.QLabel('%s:' % _('Sel. Shape'))
+        self.selection_label.setToolTip(
+            _("Enable the display of a selection shape for FlatCAM objects.\n"
+              "It is displayed whenever the mouse selects an object\n"
+              "either by clicking or dragging mouse from left to right or\n"
+              "right to left.")
+        )
+        self.selection_cb = FCCheckBox()
+
+        # Notebook Font Size
+        self.notebook_font_size_label = QtWidgets.QLabel('%s:' % _('NB Font Size'))
+        self.notebook_font_size_label.setToolTip(
+            _("This sets the font size for the elements found in the Notebook.\n"
+              "The notebook is the collapsible area in the left side of the GUI,\n"
+              "and include the Project, Selected and Tool tabs.")
+        )
+
+        self.notebook_font_size_spinner = FCSpinner()
+        self.notebook_font_size_spinner.setRange(8, 40)
+        self.notebook_font_size_spinner.setWrapping(True)
+
+        settings = QSettings("Open Source", "FlatCAM")
+        if settings.contains("notebook_font_size"):
+            self.notebook_font_size_spinner.set_value(settings.value('notebook_font_size', type=int))
+        else:
+            self.notebook_font_size_spinner.set_value(12)
+
+        # Axis Font Size
+        self.axis_font_size_label = QtWidgets.QLabel('%s:' % _('Axis Font Size'))
+        self.axis_font_size_label.setToolTip(
+            _("This sets the font size for canvas axis.")
+        )
+
+        self.axis_font_size_spinner = FCSpinner()
+        self.axis_font_size_spinner.setRange(8, 40)
+        self.axis_font_size_spinner.setWrapping(True)
+
+        settings = QSettings("Open Source", "FlatCAM")
+        if settings.contains("axis_font_size"):
+            self.axis_font_size_spinner.set_value(settings.value('axis_font_size', type=int))
+        else:
+            self.axis_font_size_spinner.set_value(8)
+
+        # TextBox Font Size
+        self.textbox_font_size_label = QtWidgets.QLabel('%s:' % _('Textbox Font Size'))
+        self.textbox_font_size_label.setToolTip(
+            _("This sets the font size for the Textbox GUI\n"
+              "elements that are used in FlatCAM.")
+        )
+
+        self.textbox_font_size_spinner = FCSpinner()
+        self.textbox_font_size_spinner.setRange(8, 40)
+        self.textbox_font_size_spinner.setWrapping(True)
+
+        settings = QSettings("Open Source", "FlatCAM")
+        if settings.contains("textbox_font_size"):
+            self.textbox_font_size_spinner.set_value(settings.value('textbox_font_size', type=int))
+        else:
+            self.textbox_font_size_spinner.set_value(10)
+
+        # Just to add empty rows
+        self.spacelabel = QtWidgets.QLabel('')
+
+        # Splash Screen
+        self.splash_label = QtWidgets.QLabel('%s:' % _('Splash Screen'))
+        self.splash_label.setToolTip(
+            _("Enable display of the splash screen at application startup.")
+        )
+        self.splash_cb = FCCheckBox()
+        settings = QSettings("Open Source", "FlatCAM")
+        if settings.value("splash_screen"):
+            self.splash_cb.set_value(True)
+        else:
+            self.splash_cb.set_value(False)
+
+        # Sys Tray Icon
+        self.systray_label = QtWidgets.QLabel('%s:' % _('Sys Tray Icon'))
+        self.systray_label.setToolTip(
+            _("Enable display of FlatCAM icon in Sys Tray.")
+        )
+        self.systray_cb = FCCheckBox()
+
+        # Shell StartUp CB
+        self.shell_startup_label = QtWidgets.QLabel('%s:' % _('Shell at StartUp'))
+        self.shell_startup_label.setToolTip(
+            _("Check this box if you want the shell to\n"
+              "start automatically at startup.")
+        )
+        self.shell_startup_cb = FCCheckBox(label='')
+        self.shell_startup_cb.setToolTip(
+            _("Check this box if you want the shell to\n"
+              "start automatically at startup.")
+        )
+
+        # Project at StartUp CB
+        self.project_startup_label = QtWidgets.QLabel('%s:' % _('Project at StartUp'))
+        self.project_startup_label.setToolTip(
+            _("Check this box if you want the project/selected/tool tab area to\n"
+              "to be shown automatically at startup.")
+        )
+        self.project_startup_cb = FCCheckBox(label='')
+        self.project_startup_cb.setToolTip(
+            _("Check this box if you want the project/selected/tool tab area to\n"
+              "to be shown automatically at startup.")
+        )
+
+        # Project autohide CB
+        self.project_autohide_label = QtWidgets.QLabel('%s:' % _('Project AutoHide'))
+        self.project_autohide_label.setToolTip(
+            _("Check this box if you want the project/selected/tool tab area to\n"
+              "hide automatically when there are no objects loaded and\n"
+              "to show whenever a new object is created.")
+        )
+        self.project_autohide_cb = FCCheckBox(label='')
+        self.project_autohide_cb.setToolTip(
+            _("Check this box if you want the project/selected/tool tab area to\n"
+              "hide automatically when there are no objects loaded and\n"
+              "to show whenever a new object is created.")
+        )
+
+        # Enable/Disable ToolTips globally
+        self.toggle_tooltips_label = QtWidgets.QLabel('<b>%s:</b>' % _('Enable ToolTips'))
+        self.toggle_tooltips_label.setToolTip(
+            _("Check this box if you want to have toolTips displayed\n"
+              "when hovering with mouse over items throughout the App.")
+        )
+        self.toggle_tooltips_cb = FCCheckBox(label='')
+        self.toggle_tooltips_cb.setToolTip(
+            _("Check this box if you want to have toolTips displayed\n"
+              "when hovering with mouse over items throughout the App.")
+        )
+
+        # Add (label - input field) pair to the QFormLayout
+        self.form_box.addRow(self.spacelabel, self.spacelabel)
+
+        self.form_box.addRow(self.layout_label, self.layout_combo)
+        self.form_box.addRow(self.style_label, self.style_combo)
+        self.form_box.addRow(self.hdpi_label, self.hdpi_cb)
+        self.form_box.addRow(self.clear_label, self.clear_btn)
+        self.form_box.addRow(self.hover_label, self.hover_cb)
+        self.form_box.addRow(self.selection_label, self.selection_cb)
+        self.form_box.addRow(QtWidgets.QLabel(''))
+        self.form_box.addRow(self.notebook_font_size_label, self.notebook_font_size_spinner)
+        self.form_box.addRow(self.axis_font_size_label, self.axis_font_size_spinner)
+        self.form_box.addRow(self.textbox_font_size_label, self.textbox_font_size_spinner)
+        self.form_box.addRow(QtWidgets.QLabel(''))
+        self.form_box.addRow(self.splash_label, self.splash_cb)
+        self.form_box.addRow(self.systray_label, self.systray_cb)
+        self.form_box.addRow(self.shell_startup_label, self.shell_startup_cb)
+        self.form_box.addRow(self.project_startup_label, self.project_startup_cb)
+        self.form_box.addRow(self.project_autohide_label, self.project_autohide_cb)
+        self.form_box.addRow(QtWidgets.QLabel(''))
+        self.form_box.addRow(self.toggle_tooltips_label, self.toggle_tooltips_cb)
+
+        # Add the QFormLayout that holds the Application general defaults
+        # to the main layout of this TAB
+        self.layout.addLayout(self.form_box)
+
+        # Delete confirmation
+        self.delete_conf_cb = FCCheckBox(_('Delete object confirmation'))
+        self.delete_conf_cb.setToolTip(
+            _("When checked the application will ask for user confirmation\n"
+              "whenever the Delete object(s) event is triggered, either by\n"
+              "menu shortcut or key shortcut.")
+        )
+        self.layout.addWidget(self.delete_conf_cb)
+
+        self.layout.addStretch()
+
+    def handle_style(self, style):
+        # set current style
+        settings = QSettings("Open Source", "FlatCAM")
+        settings.setValue('style', style)
+
+        # This will write the setting to the platform specific storage.
+        del settings
+
+    def handle_hdpi(self, state):
+        # set current HDPI
+        settings = QSettings("Open Source", "FlatCAM")
+        settings.setValue('hdpi', state)
+
+        # This will write the setting to the platform specific storage.
+        del settings
+
+    def handle_clear(self):
+        msgbox = QtWidgets.QMessageBox()
+        msgbox.setText(_("Are you sure you want to delete the GUI Settings? "
+                         "\n")
+                       )
+        msgbox.setWindowTitle(_("Clear GUI Settings"))
+        msgbox.setWindowIcon(QtGui.QIcon('share/trash32.png'))
+        bt_yes = msgbox.addButton(_('Yes'), QtWidgets.QMessageBox.YesRole)
+        bt_no = msgbox.addButton(_('No'), QtWidgets.QMessageBox.NoRole)
+
+        msgbox.setDefaultButton(bt_no)
+        msgbox.exec_()
+        response = msgbox.clickedButton()
+
+        if response == bt_yes:
+            settings = QSettings("Open Source", "FlatCAM")
+            for key in settings.allKeys():
+                settings.remove(key)
+            # This will write the setting to the platform specific storage.
+            del settings
+
+
+class GeneralAppPrefGroupUI(OptionsGroupUI):
+    def __init__(self, parent=None):
+        super(GeneralAppPrefGroupUI, self).__init__(self)
+
+        self.setTitle(str(_("App Preferences")))
+
+        # Create a form layout for the Application general settings
+        self.form_box = QtWidgets.QFormLayout()
+
+        # Units for FlatCAM
+        self.unitslabel = QtWidgets.QLabel('<span style="color:red;"><b>%s:</b></span>' % _('Units'))
+        self.unitslabel.setToolTip(_("The default value for FlatCAM units.\n"
+                                     "Whatever is selected here is set every time\n"
+                                     "FLatCAM is started."))
+        self.units_radio = RadioSet([{'label': _('IN'), 'value': 'IN'},
+                                     {'label': _('MM'), 'value': 'MM'}])
+
+        # Application Level for FlatCAM
+        self.app_level_label = QtWidgets.QLabel('<b>%s:</b>' % _('APP. LEVEL'))
+        self.app_level_label.setToolTip(_("Choose the default level of usage for FlatCAM.\n"
+                                          "BASIC level -> reduced functionality, best for beginner's.\n"
+                                          "ADVANCED level -> full functionality.\n\n"
+                                          "The choice here will influence the parameters in\n"
+                                          "the Selected Tab for all kinds of FlatCAM objects."))
+        self.app_level_radio = RadioSet([{'label': _('Basic'), 'value': 'b'},
+                                         {'label': _('Advanced'), 'value': 'a'}])
+
+        # Application Level for FlatCAM
+        self.portability_label = QtWidgets.QLabel('%s:' % _('Portable app'))
+        self.portability_label.setToolTip(_("Choose if the application should run as portable.\n\n"
+                                            "If Checked the application will run portable,\n"
+                                            "which means that the preferences files will be saved\n"
+                                            "in the application folder, in the lib\\config subfolder."))
+        self.portability_cb = FCCheckBox()
+
+        # Languages for FlatCAM
+        self.languagelabel = QtWidgets.QLabel('<b>%s:</b>' % _('Languages'))
+        self.languagelabel.setToolTip(_("Set the language used throughout FlatCAM."))
+        self.language_cb = FCComboBox()
+        self.languagespace = QtWidgets.QLabel('')
+        self.language_apply_btn = FCButton(_("Apply Language"))
+        self.language_apply_btn.setToolTip(_("Set the language used throughout FlatCAM.\n"
+                                             "The app will restart after click."
+                                             "Windows: When FlatCAM is installed in Program Files\n"
+                                             "directory, it is possible that the app will not\n"
+                                             "restart after the button is clicked due of Windows\n"
+                                             "security features. In this case the language will be\n"
+                                             "applied at the next app start."))
+
+        # Version Check CB
+        self.version_check_label = QtWidgets.QLabel('%s:' % _('Version Check'))
+        self.version_check_label.setToolTip(
+            _("Check this box if you want to check\n"
+              "for a new version automatically at startup.")
+        )
+        self.version_check_cb = FCCheckBox(label='')
+        self.version_check_cb.setToolTip(
+            _("Check this box if you want to check\n"
+              "for a new version automatically at startup.")
+        )
+
+        # Send Stats CB
+        self.send_stats_label = QtWidgets.QLabel('%s:' % _('Send Stats'))
+        self.send_stats_label.setToolTip(
+            _("Check this box if you agree to send anonymous\n"
+              "stats automatically at startup, to help improve FlatCAM.")
+        )
+        self.send_stats_cb = FCCheckBox(label='')
+        self.send_stats_cb.setToolTip(
+            _("Check this box if you agree to send anonymous\n"
+              "stats automatically at startup, to help improve FlatCAM.")
+        )
+
+        self.ois_version_check = OptionalInputSection(self.version_check_cb, [self.send_stats_cb])
+
+        # Select mouse pan button
+        self.panbuttonlabel = QtWidgets.QLabel('<b>%s:</b>' % _('Pan Button'))
+        self.panbuttonlabel.setToolTip(_("Select the mouse button to use for panning:\n"
+                                         "- MMB --> Middle Mouse Button\n"
+                                         "- RMB --> Right Mouse Button"))
+        self.pan_button_radio = RadioSet([{'label': _('MMB'), 'value': '3'},
+                                          {'label': _('RMB'), 'value': '2'}])
+
+        # Multiple Selection Modifier Key
+        self.mselectlabel = QtWidgets.QLabel('<b>%s:</b>' % _('Multiple Sel'))
+        self.mselectlabel.setToolTip(_("Select the key used for multiple selection."))
+        self.mselect_radio = RadioSet([{'label': _('CTRL'), 'value': 'Control'},
+                                       {'label': _('SHIFT'), 'value': 'Shift'}])
+
+        # Worker Numbers
+        self.worker_number_label = QtWidgets.QLabel('%s:' % _('Workers number'))
+        self.worker_number_label.setToolTip(
+            _("The number of Qthreads made available to the App.\n"
+              "A bigger number may finish the jobs more quickly but\n"
+              "depending on your computer speed, may make the App\n"
+              "unresponsive. Can have a value between 2 and 16.\n"
+              "Default value is 2.\n"
+              "After change, it will be applied at next App start.")
+        )
+        self.worker_number_sb = FCSpinner()
+        self.worker_number_sb.setToolTip(
+            _("The number of Qthreads made available to the App.\n"
+              "A bigger number may finish the jobs more quickly but\n"
+              "depending on your computer speed, may make the App\n"
+              "unresponsive. Can have a value between 2 and 16.\n"
+              "Default value is 2.\n"
+              "After change, it will be applied at next App start.")
+        )
+        self.worker_number_sb.set_range(2, 16)
+
+        # Geometric tolerance
+        tol_label = QtWidgets.QLabel('%s:' % _("Geo Tolerance"))
+        tol_label.setToolTip(_(
+            "This value can counter the effect of the Circle Steps\n"
+            "parameter. Default value is 0.01.\n"
+            "A lower value will increase the detail both in image\n"
+            "and in Gcode for the circles, with a higher cost in\n"
+            "performance. Higher value will provide more\n"
+            "performance at the expense of level of detail."
+        ))
+        self.tol_entry = FCEntry()
+        self.tol_entry.setToolTip(_(
+            "This value can counter the effect of the Circle Steps\n"
+            "parameter. Default value is 0.01.\n"
+            "A lower value will increase the detail both in image\n"
+            "and in Gcode for the circles, with a higher cost in\n"
+            "performance. Higher value will provide more\n"
+            "performance at the expense of level of detail."
+        ))
+        # Just to add empty rows
+        self.spacelabel = QtWidgets.QLabel('')
+
+        # Add (label - input field) pair to the QFormLayout
+        self.form_box.addRow(self.unitslabel, self.units_radio)
+        self.form_box.addRow(self.app_level_label, self.app_level_radio)
+        self.form_box.addRow(self.portability_label, self.portability_cb)
+        self.form_box.addRow(QtWidgets.QLabel(''))
+
+        self.form_box.addRow(self.languagelabel, self.language_cb)
+        self.form_box.addRow(self.languagespace, self.language_apply_btn)
+
+        self.form_box.addRow(self.spacelabel, self.spacelabel)
+        self.form_box.addRow(self.version_check_label, self.version_check_cb)
+        self.form_box.addRow(self.send_stats_label, self.send_stats_cb)
+
+        self.form_box.addRow(self.panbuttonlabel, self.pan_button_radio)
+        self.form_box.addRow(self.mselectlabel, self.mselect_radio)
+        self.form_box.addRow(self.worker_number_label, self.worker_number_sb)
+        self.form_box.addRow(tol_label, self.tol_entry)
+
+        self.form_box.addRow(self.spacelabel, self.spacelabel)
+
+        # Add the QFormLayout that holds the Application general defaults
+        # to the main layout of this TAB
+        self.layout.addLayout(self.form_box)
+
+        # Open behavior
+        self.open_style_cb = FCCheckBox('%s' % _('"Open" behavior'))
+        self.open_style_cb.setToolTip(
+            _("When checked the path for the last saved file is used when saving files,\n"
+              "and the path for the last opened file is used when opening files.\n\n"
+              "When unchecked the path for opening files is the one used last: either the\n"
+              "path for saving files or the path for opening files.")
+        )
+        # self.advanced_cb.setLayoutDirection(QtCore.Qt.RightToLeft)
+        self.layout.addWidget(self.open_style_cb)
+
+        # Save compressed project CB
+        self.save_type_cb = FCCheckBox(_('Save Compressed Project'))
+        self.save_type_cb.setToolTip(
+            _("Whether to save a compressed or uncompressed project.\n"
+              "When checked it will save a compressed FlatCAM project.")
+        )
+        # self.advanced_cb.setLayoutDirection(QtCore.Qt.RightToLeft)
+        self.layout.addWidget(self.save_type_cb)
+
+        hlay1 = QtWidgets.QHBoxLayout()
+        self.layout.addLayout(hlay1)
+
+        # Project LZMA Comppression Level
+        self.compress_combo = FCComboBox()
+        self.compress_label = QtWidgets.QLabel('%s:' % _('Compression Level'))
+        self.compress_label.setToolTip(
+            _("The level of compression used when saving\n"
+              "a FlatCAM project. Higher value means better compression\n"
+              "but require more RAM usage and more processing time.")
+        )
+        # self.advanced_cb.setLayoutDirection(QtCore.Qt.RightToLeft)
+        self.compress_combo.addItems([str(i) for i in range(10)])
+
+        hlay1.addWidget(self.compress_label)
+        hlay1.addWidget(self.compress_combo)
+
+        self.proj_ois = OptionalInputSection(self.save_type_cb, [self.compress_label, self.compress_combo], True)
+
+        self.form_box_2 = QtWidgets.QFormLayout()
+        self.layout.addLayout(self.form_box_2)
+
+        self.layout.addStretch()
+
+        if sys.platform != 'win32':
+            self.portability_label.hide()
+            self.portability_cb.hide()
+
+
+class GerberGenPrefGroupUI(OptionsGroupUI):
+    def __init__(self, parent=None):
+        # OptionsGroupUI.__init__(self, "Gerber General Preferences", parent=parent)
+        super(GerberGenPrefGroupUI, self).__init__(self)
+
+        self.setTitle(str(_("Gerber General")))
+
+        # ## Plot options
+        self.plot_options_label = QtWidgets.QLabel("<b>%s:</b>" % _("Plot Options"))
+        self.layout.addWidget(self.plot_options_label)
+
+        grid0 = QtWidgets.QGridLayout()
+        self.layout.addLayout(grid0)
+
+        # Solid CB
+        self.solid_cb = FCCheckBox(label='%s' % _('Solid'))
+        self.solid_cb.setToolTip(
+            _("Solid color polygons.")
+        )
+        grid0.addWidget(self.solid_cb, 0, 0)
+
+        # Multicolored CB
+        self.multicolored_cb = FCCheckBox(label='%s' % _('M-Color'))
+        self.multicolored_cb.setToolTip(
+            _("Draw polygons in different colors.")
+        )
+        grid0.addWidget(self.multicolored_cb, 0, 1)
+
+        # Plot CB
+        self.plot_cb = FCCheckBox(label='%s' % _('Plot'))
+        self.plot_options_label.setToolTip(
+            _("Plot (show) this object.")
+        )
+        grid0.addWidget(self.plot_cb, 0, 2)
+
+        # Number of circle steps for circular aperture linear approximation
+        self.circle_steps_label = QtWidgets.QLabel('%s:' % _("Circle Steps"))
+        self.circle_steps_label.setToolTip(
+            _("The number of circle steps for Gerber \n"
+              "circular aperture linear approximation.")
+        )
+        self.circle_steps_entry = IntEntry()
+        grid0.addWidget(self.circle_steps_label, 1, 0)
+        grid0.addWidget(self.circle_steps_entry, 1, 1)
+
+        self.layout.addStretch()
+
+
+class GerberOptPrefGroupUI(OptionsGroupUI):
+    def __init__(self, parent=None):
+        # OptionsGroupUI.__init__(self, "Gerber Options Preferences", parent=parent)
+        super(GerberOptPrefGroupUI, self).__init__(self)
+
+        self.setTitle(str(_("Gerber Options")))
+
+        # ## Isolation Routing
+        self.isolation_routing_label = QtWidgets.QLabel("<b>%s:</b>" % _("Isolation Routing"))
+        self.isolation_routing_label.setToolTip(
+            _("Create a Geometry object with\n"
+              "toolpaths to cut outside polygons.")
+        )
+        self.layout.addWidget(self.isolation_routing_label)
+
+        # Cutting Tool Diameter
+        grid0 = QtWidgets.QGridLayout()
+        self.layout.addLayout(grid0)
+
+        tdlabel = QtWidgets.QLabel('%s:' % _('Tool dia'))
+        tdlabel.setToolTip(
+            _("Diameter of the cutting tool.")
+        )
+        grid0.addWidget(tdlabel, 0, 0)
+        self.iso_tool_dia_entry = LengthEntry()
+        grid0.addWidget(self.iso_tool_dia_entry, 0, 1)
+
+        # Nr of passes
+        passlabel = QtWidgets.QLabel('%s:' % _('# Passes'))
+        passlabel.setToolTip(
+            _("Width of the isolation gap in\n"
+              "number (integer) of tool widths.")
+        )
+        grid0.addWidget(passlabel, 1, 0)
+        self.iso_width_entry = FCSpinner()
+        self.iso_width_entry.setRange(1, 999)
+        grid0.addWidget(self.iso_width_entry, 1, 1)
+
+        # Pass overlap
+        overlabel = QtWidgets.QLabel('%s:' % _('Pass overlap'))
+        overlabel.setToolTip(
+            _("How much (fraction) of the tool width to overlap each tool pass.\n"
+              "Example:\n"
+              "A value here of 0.25 means an overlap of 25%% from the tool diameter found above.")
+        )
+        grid0.addWidget(overlabel, 2, 0)
+        self.iso_overlap_entry = FCDoubleSpinner()
+        self.iso_overlap_entry.set_precision(3)
+        self.iso_overlap_entry.setWrapping(True)
+        self.iso_overlap_entry.setRange(0.000, 0.999)
+        self.iso_overlap_entry.setSingleStep(0.1)
+        grid0.addWidget(self.iso_overlap_entry, 2, 1)
+
+        # Milling Type
+        milling_type_label = QtWidgets.QLabel('%s:' % _('Milling Type'))
+        milling_type_label.setToolTip(
+            _("Milling type:\n"
+              "- climb / best for precision milling and to reduce tool usage\n"
+              "- conventional / useful when there is no backlash compensation")
+        )
+        grid0.addWidget(milling_type_label, 3, 0)
+        self.milling_type_radio = RadioSet([{'label': _('Climb'), 'value': 'cl'},
+                                            {'label': _('Conv.'), 'value': 'cv'}])
+        grid0.addWidget(self.milling_type_radio, 3, 1)
+
+        # Combine passes
+        self.combine_passes_cb = FCCheckBox(label=_('Combine Passes'))
+        self.combine_passes_cb.setToolTip(
+            _("Combine all passes into one object")
+        )
+        grid0.addWidget(self.combine_passes_cb, 4, 0, 1, 2)
+
+        # ## Clear non-copper regions
+        self.clearcopper_label = QtWidgets.QLabel("<b>%s:</b>" % _("Non-copper regions"))
+        self.clearcopper_label.setToolTip(
+            _("Create polygons covering the\n"
+              "areas without copper on the PCB.\n"
+              "Equivalent to the inverse of this\n"
+              "object. Can be used to remove all\n"
+              "copper from a specified region.")
+        )
+        self.layout.addWidget(self.clearcopper_label)
+
+        grid1 = QtWidgets.QGridLayout()
+        self.layout.addLayout(grid1)
+
+        # Margin
+        bmlabel = QtWidgets.QLabel('%s:' % _('Boundary Margin'))
+        bmlabel.setToolTip(
+            _("Specify the edge of the PCB\n"
+              "by drawing a box around all\n"
+              "objects with this minimum\n"
+              "distance.")
+        )
+        grid1.addWidget(bmlabel, 0, 0)
+        self.noncopper_margin_entry = LengthEntry()
+        grid1.addWidget(self.noncopper_margin_entry, 0, 1)
+
+        # Rounded corners
+        self.noncopper_rounded_cb = FCCheckBox(label=_("Rounded Geo"))
+        self.noncopper_rounded_cb.setToolTip(
+            _("Resulting geometry will have rounded corners.")
+        )
+        grid1.addWidget(self.noncopper_rounded_cb, 1, 0, 1, 2)
+
+        # ## Bounding box
+        self.boundingbox_label = QtWidgets.QLabel('<b>%s:</b>' % _('Bounding Box'))
+        self.layout.addWidget(self.boundingbox_label)
+
+        grid2 = QtWidgets.QGridLayout()
+        self.layout.addLayout(grid2)
+
+        bbmargin = QtWidgets.QLabel('%s:' % _('Boundary Margin'))
+        bbmargin.setToolTip(
+            _("Distance of the edges of the box\n"
+              "to the nearest polygon.")
+        )
+        grid2.addWidget(bbmargin, 0, 0)
+        self.bbmargin_entry = LengthEntry()
+        grid2.addWidget(self.bbmargin_entry, 0, 1)
+
+        self.bbrounded_cb = FCCheckBox(label='%s' % _("Rounded Geo"))
+        self.bbrounded_cb.setToolTip(
+            _("If the bounding box is \n"
+              "to have rounded corners\n"
+              "their radius is equal to\n"
+              "the margin.")
+        )
+        grid2.addWidget(self.bbrounded_cb, 1, 0, 1, 2)
+        self.layout.addStretch()
+
+
+class GerberAdvOptPrefGroupUI(OptionsGroupUI):
+    def __init__(self, parent=None):
+        # OptionsGroupUI.__init__(self, "Gerber Adv. Options Preferences", parent=parent)
+        super(GerberAdvOptPrefGroupUI, self).__init__(self)
+
+        self.setTitle(str(_("Gerber Adv. Options")))
+
+        # ## Advanced Gerber Parameters
+        self.adv_param_label = QtWidgets.QLabel('<b>%s:</b>' % _('Advanced Options'))
+        self.adv_param_label.setToolTip(
+            _("A list of Gerber advanced parameters.\n"
+              "Those parameters are available only for\n"
+              "Advanced App. Level.")
+        )
+        self.layout.addWidget(self.adv_param_label)
+
+        grid0 = QtWidgets.QGridLayout()
+        self.layout.addLayout(grid0)
+
+        # Follow Attribute
+        self.follow_cb = FCCheckBox(label=_('"Follow"'))
+        self.follow_cb.setToolTip(
+            _("Generate a 'Follow' geometry.\n"
+              "This means that it will cut through\n"
+              "the middle of the trace.")
+        )
+        grid0.addWidget(self.follow_cb, 0, 0, 1, 2)
+
+        # Aperture Table Visibility CB
+        self.aperture_table_visibility_cb = FCCheckBox(label=_('Table Show/Hide'))
+        self.aperture_table_visibility_cb.setToolTip(
+            _("Toggle the display of the Gerber Apertures Table.\n"
+              "Also, on hide, it will delete all mark shapes\n"
+              "that are drawn on canvas.")
+
+        )
+        grid0.addWidget(self.aperture_table_visibility_cb, 1, 0, 1, 2)
+
+        # Buffering Type
+        buffering_label = QtWidgets.QLabel('%s:' % _('Buffering'))
+        buffering_label.setToolTip(
+            _("Buffering type:\n"
+              "- None --> best performance, fast file loading but no so good display\n"
+              "- Full --> slow file loading but good visuals. This is the default.\n"
+              "<<WARNING>>: Don't change this unless you know what you are doing !!!")
+        )
+        self.buffering_radio = RadioSet([{'label': _('None'), 'value': 'no'},
+                                         {'label': _('Full'), 'value': 'full'}])
+        grid0.addWidget(buffering_label, 2, 0)
+        grid0.addWidget(self.buffering_radio, 2, 1)
+
+        # Simplification
+        self.simplify_cb = FCCheckBox(label=_('Simplify'))
+        self.simplify_cb.setToolTip(_("When checked all the Gerber polygons will be\n"
+                                      "loaded with simplification having a set tolerance."))
+        grid0.addWidget(self.simplify_cb, 3, 0, 1, 2)
+
+        # Simplification tolerance
+        self.simplification_tol_label = QtWidgets.QLabel(_('Tolerance'))
+        self.simplification_tol_label.setToolTip(_("Tolerance for poligon simplification."))
+
+        self.simplification_tol_spinner = FCDoubleSpinner()
+        self.simplification_tol_spinner.set_precision(5)
+        self.simplification_tol_spinner.setWrapping(True)
+        self.simplification_tol_spinner.setRange(0.00000, 0.01000)
+        self.simplification_tol_spinner.setSingleStep(0.0001)
+
+        grid0.addWidget(self.simplification_tol_label, 4, 0)
+        grid0.addWidget(self.simplification_tol_spinner, 4, 1)
+        self.ois_simplif = OptionalInputSection(self.simplify_cb,
+                                                [self.simplification_tol_label, self.simplification_tol_spinner],
+                                                logic=True)
+
+        # Scale Aperture Factor
+        # self.scale_aperture_label = QtWidgets.QLabel(_('Ap. Scale Factor:'))
+        # self.scale_aperture_label.setToolTip(
+        #     _("Change the size of the selected apertures.\n"
+        #     "Factor by which to multiply\n"
+        #     "geometric features of this object.")
+        # )
+        # grid0.addWidget(self.scale_aperture_label, 2, 0)
+        #
+        # self.scale_aperture_entry = FloatEntry2()
+        # grid0.addWidget(self.scale_aperture_entry, 2, 1)
+
+        # Buffer Aperture Factor
+        # self.buffer_aperture_label = QtWidgets.QLabel(_('Ap. Buffer Factor:'))
+        # self.buffer_aperture_label.setToolTip(
+        #     _("Change the size of the selected apertures.\n"
+        #     "Factor by which to expand/shrink\n"
+        #     "geometric features of this object.")
+        # )
+        # grid0.addWidget(self.buffer_aperture_label, 3, 0)
+        #
+        # self.buffer_aperture_entry = FloatEntry2()
+        # grid0.addWidget(self.buffer_aperture_entry, 3, 1)
+
+        self.layout.addStretch()
+
+
+class GerberExpPrefGroupUI(OptionsGroupUI):
+
+    def __init__(self, parent=None):
+        super(GerberExpPrefGroupUI, self).__init__(self)
+
+        self.setTitle(str(_("Gerber Export")))
+
+        # Plot options
+        self.export_options_label = QtWidgets.QLabel("<b>%s:</b>" % _("Export Options"))
+        self.export_options_label.setToolTip(
+            _("The parameters set here are used in the file exported\n"
+              "when using the File -> Export -> Export Gerber menu entry.")
+        )
+        self.layout.addWidget(self.export_options_label)
+
+        form = QtWidgets.QFormLayout()
+        self.layout.addLayout(form)
+
+        # Gerber Units
+        self.gerber_units_label = QtWidgets.QLabel('<b>%s:</b>' % _('Units'))
+        self.gerber_units_label.setToolTip(
+            _("The units used in the Gerber file.")
+        )
+
+        self.gerber_units_radio = RadioSet([{'label': _('INCH'), 'value': 'IN'},
+                                            {'label': _('MM'), 'value': 'MM'}])
+        self.gerber_units_radio.setToolTip(
+            _("The units used in the Gerber file.")
+        )
+
+        form.addRow(self.gerber_units_label, self.gerber_units_radio)
+
+        # Gerber format
+        self.digits_label = QtWidgets.QLabel("<b>%s:</b>" % _("Int/Decimals"))
+        self.digits_label.setToolTip(
+            _("The number of digits in the whole part of the number\n"
+              "and in the fractional part of the number.")
+        )
+
+        hlay1 = QtWidgets.QHBoxLayout()
+
+        self.format_whole_entry = IntEntry()
+        self.format_whole_entry.setMaxLength(1)
+        self.format_whole_entry.setAlignment(QtCore.Qt.AlignRight)
+        self.format_whole_entry.setMinimumWidth(30)
+        self.format_whole_entry.setToolTip(
+            _("This numbers signify the number of digits in\n"
+              "the whole part of Gerber coordinates.")
+        )
+        hlay1.addWidget(self.format_whole_entry, QtCore.Qt.AlignLeft)
+
+        gerber_separator_label = QtWidgets.QLabel(':')
+        gerber_separator_label.setFixedWidth(5)
+        hlay1.addWidget(gerber_separator_label, QtCore.Qt.AlignLeft)
+
+        self.format_dec_entry = IntEntry()
+        self.format_dec_entry.setMaxLength(1)
+        self.format_dec_entry.setAlignment(QtCore.Qt.AlignRight)
+        self.format_dec_entry.setMinimumWidth(30)
+        self.format_dec_entry.setToolTip(
+            _("This numbers signify the number of digits in\n"
+              "the decimal part of Gerber coordinates.")
+        )
+        hlay1.addWidget(self.format_dec_entry, QtCore.Qt.AlignLeft)
+        hlay1.addStretch()
+
+        form.addRow(self.digits_label, hlay1)
+
+        # Gerber Zeros
+        self.zeros_label = QtWidgets.QLabel('<b>%s:</b>' % _('Zeros'))
+        self.zeros_label.setAlignment(QtCore.Qt.AlignLeft)
+        self.zeros_label.setToolTip(
+            _("This sets the type of Gerber zeros.\n"
+              "If LZ then Leading Zeros are removed and\n"
+              "Trailing Zeros are kept.\n"
+              "If TZ is checked then Trailing Zeros are removed\n"
+              "and Leading Zeros are kept.")
+        )
+
+        self.zeros_radio = RadioSet([{'label': _('LZ'), 'value': 'L'},
+                                     {'label': _('TZ'), 'value': 'T'}])
+        self.zeros_radio.setToolTip(
+            _("This sets the type of Gerber zeros.\n"
+              "If LZ then Leading Zeros are removed and\n"
+              "Trailing Zeros are kept.\n"
+              "If TZ is checked then Trailing Zeros are removed\n"
+              "and Leading Zeros are kept.")
+        )
+
+        form.addRow(self.zeros_label, self.zeros_radio)
+
+        self.layout.addStretch()
+
+
+class GerberEditorPrefGroupUI(OptionsGroupUI):
+    def __init__(self, parent=None):
+        # OptionsGroupUI.__init__(self, "Gerber Adv. Options Preferences", parent=parent)
+        super(GerberEditorPrefGroupUI, self).__init__(self)
+
+        self.setTitle(str(_("Gerber Editor")))
+
+        # Advanced Gerber Parameters
+        self.param_label = QtWidgets.QLabel("<b>%s:</b>" % _("Parameters"))
+        self.param_label.setToolTip(
+            _("A list of Gerber Editor parameters.")
+        )
+        self.layout.addWidget(self.param_label)
+
+        grid0 = QtWidgets.QGridLayout()
+        self.layout.addLayout(grid0)
+
+        # Selection Limit
+        self.sel_limit_label = QtWidgets.QLabel('%s:' % _("Selection limit"))
+        self.sel_limit_label.setToolTip(
+            _("Set the number of selected Gerber geometry\n"
+              "items above which the utility geometry\n"
+              "becomes just a selection rectangle.\n"
+              "Increases the performance when moving a\n"
+              "large number of geometric elements.")
+        )
+        self.sel_limit_entry = IntEntry()
+
+        grid0.addWidget(self.sel_limit_label, 0, 0)
+        grid0.addWidget(self.sel_limit_entry, 0, 1)
+
+        # New aperture code
+        self.addcode_entry_lbl = QtWidgets.QLabel('%s:' % _('New Aperture code'))
+        self.addcode_entry_lbl.setToolTip(
+            _("Code for the new aperture")
+        )
+
+        self.addcode_entry = FCEntry()
+        self.addcode_entry.setValidator(QtGui.QIntValidator(0, 99))
+
+        grid0.addWidget(self.addcode_entry_lbl, 1, 0)
+        grid0.addWidget(self.addcode_entry, 1, 1)
+
+        # New aperture size
+        self.addsize_entry_lbl = QtWidgets.QLabel('%s:' % _('New Aperture size'))
+        self.addsize_entry_lbl.setToolTip(
+            _("Size for the new aperture")
+        )
+
+        self.addsize_entry = FCEntry()
+        self.addsize_entry.setValidator(QtGui.QDoubleValidator(0.0001, 99.9999, 4))
+
+        grid0.addWidget(self.addsize_entry_lbl, 2, 0)
+        grid0.addWidget(self.addsize_entry, 2, 1)
+
+        # New aperture type
+        self.addtype_combo_lbl = QtWidgets.QLabel('%s:' % _('New Aperture type'))
+        self.addtype_combo_lbl.setToolTip(
+            _("Type for the new aperture.\n"
+              "Can be 'C', 'R' or 'O'.")
+        )
+
+        self.addtype_combo = FCComboBox()
+        self.addtype_combo.addItems(['C', 'R', 'O'])
+
+        grid0.addWidget(self.addtype_combo_lbl, 3, 0)
+        grid0.addWidget(self.addtype_combo, 3, 1)
+
+        # Number of pads in a pad array
+        self.grb_array_size_label = QtWidgets.QLabel('%s:' % _('Nr of pads'))
+        self.grb_array_size_label.setToolTip(
+            _("Specify how many pads to be in the array.")
+        )
+
+        self.grb_array_size_entry = LengthEntry()
+
+        grid0.addWidget(self.grb_array_size_label, 4, 0)
+        grid0.addWidget(self.grb_array_size_entry, 4, 1)
+
+        self.adddim_label = QtWidgets.QLabel('%s:' % _('Aperture Dimensions'))
+        self.adddim_label.setToolTip(
+            _("Diameters of the cutting tools, separated by ','")
+        )
+        grid0.addWidget(self.adddim_label, 5, 0)
+        self.adddim_entry = FCEntry()
+        grid0.addWidget(self.adddim_entry, 5, 1)
+
+        self.grb_array_linear_label = QtWidgets.QLabel('<b>%s:</b>' % _('Linear Pad Array'))
+        grid0.addWidget(self.grb_array_linear_label, 6, 0, 1, 2)
+
+        # Linear Pad Array direction
+        self.grb_axis_label = QtWidgets.QLabel('%s:' % _('Linear Dir.'))
+        self.grb_axis_label.setToolTip(
+            _("Direction on which the linear array is oriented:\n"
+              "- 'X' - horizontal axis \n"
+              "- 'Y' - vertical axis or \n"
+              "- 'Angle' - a custom angle for the array inclination")
+        )
+
+        self.grb_axis_radio = RadioSet([{'label': _('X'), 'value': 'X'},
+                                        {'label': _('Y'), 'value': 'Y'},
+                                        {'label': _('Angle'), 'value': 'A'}])
+
+        grid0.addWidget(self.grb_axis_label, 7, 0)
+        grid0.addWidget(self.grb_axis_radio, 7, 1)
+
+        # Linear Pad Array pitch distance
+        self.grb_pitch_label = QtWidgets.QLabel('%s:' % _('Pitch'))
+        self.grb_pitch_label.setToolTip(
+            _("Pitch = Distance between elements of the array.")
+        )
+        # self.drill_pitch_label.setMinimumWidth(100)
+        self.grb_pitch_entry = LengthEntry()
+
+        grid0.addWidget(self.grb_pitch_label, 8, 0)
+        grid0.addWidget(self.grb_pitch_entry, 8, 1)
+
+        # Linear Pad Array custom angle
+        self.grb_angle_label = QtWidgets.QLabel('%s:' % _('Angle'))
+        self.grb_angle_label.setToolTip(
+            _("Angle at which each element in circular array is placed.")
+        )
+        self.grb_angle_entry = LengthEntry()
+
+        grid0.addWidget(self.grb_angle_label, 9, 0)
+        grid0.addWidget(self.grb_angle_entry, 9, 1)
+
+        self.grb_array_circ_label = QtWidgets.QLabel('<b>%s:</b>' % _('Circular Pad Array'))
+        grid0.addWidget(self.grb_array_circ_label, 10, 0, 1, 2)
+
+        # Circular Pad Array direction
+        self.grb_circular_direction_label = QtWidgets.QLabel('%s:' % _('Circular Dir.'))
+        self.grb_circular_direction_label.setToolTip(
+            _("Direction for circular array.\n"
+              "Can be CW = clockwise or CCW = counter clockwise.")
+        )
+
+        self.grb_circular_dir_radio = RadioSet([{'label': _('CW'), 'value': 'CW'},
+                                                {'label': _('CCW'), 'value': 'CCW'}])
+
+        grid0.addWidget(self.grb_circular_direction_label, 11, 0)
+        grid0.addWidget(self.grb_circular_dir_radio, 11, 1)
+
+        # Circular Pad Array Angle
+        self.grb_circular_angle_label = QtWidgets.QLabel('%s:' % _('Circ. Angle'))
+        self.grb_circular_angle_label.setToolTip(
+            _("Angle at which each element in circular array is placed.")
+        )
+        self.grb_circular_angle_entry = LengthEntry()
+
+        grid0.addWidget(self.grb_circular_angle_label, 12, 0)
+        grid0.addWidget(self.grb_circular_angle_entry, 12, 1)
+
+        self.grb_array_tools_b_label = QtWidgets.QLabel('<b>%s:</b>' % _('Buffer Tool'))
+        grid0.addWidget(self.grb_array_tools_b_label, 13, 0, 1, 2)
+
+        # Buffer Distance
+        self.grb_buff_label = QtWidgets.QLabel('%s:' % _('Buffer distance'))
+        self.grb_buff_label.setToolTip(
+            _("Distance at which to buffer the Gerber element.")
+        )
+        self.grb_buff_entry = LengthEntry()
+
+        grid0.addWidget(self.grb_buff_label, 14, 0)
+        grid0.addWidget(self.grb_buff_entry, 14, 1)
+
+        self.grb_array_tools_s_label = QtWidgets.QLabel('<b>%s:</b>' % _('Scale Tool'))
+        grid0.addWidget(self.grb_array_tools_s_label, 15, 0, 1, 2)
+
+        # Scale Factor
+        self.grb_scale_label = QtWidgets.QLabel('%s:' % _('Scale factor'))
+        self.grb_scale_label.setToolTip(
+            _("Factor to scale the Gerber element.")
+        )
+        self.grb_scale_entry = LengthEntry()
+
+        grid0.addWidget(self.grb_scale_label, 16, 0)
+        grid0.addWidget(self.grb_scale_entry, 16, 1)
+
+        self.grb_array_tools_ma_label = QtWidgets.QLabel('<b>%s:</b>' % _('Mark Area Tool'))
+        grid0.addWidget(self.grb_array_tools_ma_label, 17, 0, 1, 2)
+
+        # Mark area Tool low threshold
+        self.grb_ma_low_label = QtWidgets.QLabel('%s:' % _('Threshold low'))
+        self.grb_ma_low_label.setToolTip(
+            _("Threshold value under which the apertures are not marked.")
+        )
+        self.grb_ma_low_entry = LengthEntry()
+
+        grid0.addWidget(self.grb_ma_low_label, 18, 0)
+        grid0.addWidget(self.grb_ma_low_entry, 18, 1)
+
+        # Mark area Tool high threshold
+        self.grb_ma_high_label = QtWidgets.QLabel('%s:' % _('Threshold low'))
+        self.grb_ma_high_label.setToolTip(
+            _("Threshold value over which the apertures are not marked.")
+        )
+        self.grb_ma_high_entry = LengthEntry()
+
+        grid0.addWidget(self.grb_ma_high_label, 19, 0)
+        grid0.addWidget(self.grb_ma_high_entry, 19, 1)
+
+        self.layout.addStretch()
+
+
+class ExcellonGenPrefGroupUI(OptionsGroupUI):
+
+    def __init__(self, parent=None):
+        # OptionsGroupUI.__init__(self, "Excellon Options", parent=parent)
+        super(ExcellonGenPrefGroupUI, self).__init__(self)
+
+        self.setTitle(str(_("Excellon General")))
+
+        # Plot options
+        self.plot_options_label = QtWidgets.QLabel("<b>%s:</b>" % _("Plot Options"))
+        self.layout.addWidget(self.plot_options_label)
+
+        grid1 = QtWidgets.QGridLayout()
+        self.layout.addLayout(grid1)
+
+        self.plot_cb = FCCheckBox(label=_('Plot'))
+        self.plot_cb.setToolTip(
+            "Plot (show) this object."
+        )
+        grid1.addWidget(self.plot_cb, 0, 0)
+
+        self.solid_cb = FCCheckBox(label=_('Solid'))
+        self.solid_cb.setToolTip(
+            "Plot as solid circles."
+        )
+        grid1.addWidget(self.solid_cb, 0, 1)
+
+        # Excellon format
+        self.excellon_format_label = QtWidgets.QLabel("<b>%s:</b>" % _("Excellon Format"))
+        self.excellon_format_label.setToolTip(
+            _("The NC drill files, usually named Excellon files\n"
+              "are files that can be found in different formats.\n"
+              "Here we set the format used when the provided\n"
+              "coordinates are not using period.\n"
+              "\n"
+              "Possible presets:\n"
+              "\n"
+              "PROTEUS 3:3 MM LZ\n"
+              "DipTrace 5:2 MM TZ\n"
+              "DipTrace 4:3 MM LZ\n"
+              "\n"
+              "EAGLE 3:3 MM TZ\n"
+              "EAGLE 4:3 MM TZ\n"
+              "EAGLE 2:5 INCH TZ\n"
+              "EAGLE 3:5 INCH TZ\n"
+              "\n"
+              "ALTIUM 2:4 INCH LZ\n"
+              "Sprint Layout 2:4 INCH LZ"
+              "\n"
+              "KiCAD 3:5 INCH TZ")
+        )
+        self.layout.addWidget(self.excellon_format_label)
+
+        hlay1 = QtWidgets.QHBoxLayout()
+        self.layout.addLayout(hlay1)
+        self.excellon_format_in_label = QtWidgets.QLabel('%s:' % _("INCH"))
+        self.excellon_format_in_label.setAlignment(QtCore.Qt.AlignLeft)
+        self.excellon_format_in_label.setToolTip(
+            _("Default values for INCH are 2:4"))
+        hlay1.addWidget(self.excellon_format_in_label, QtCore.Qt.AlignLeft)
+
+        self.excellon_format_upper_in_entry = IntEntry()
+        self.excellon_format_upper_in_entry.setMaxLength(1)
+        self.excellon_format_upper_in_entry.setAlignment(QtCore.Qt.AlignRight)
+        self.excellon_format_upper_in_entry.setMinimumWidth(30)
+        self.excellon_format_upper_in_entry.setToolTip(
+           _("This numbers signify the number of digits in\n"
+             "the whole part of Excellon coordinates.")
+        )
+        hlay1.addWidget(self.excellon_format_upper_in_entry, QtCore.Qt.AlignLeft)
+
+        excellon_separator_in_label = QtWidgets.QLabel(':')
+        excellon_separator_in_label.setFixedWidth(5)
+        hlay1.addWidget(excellon_separator_in_label, QtCore.Qt.AlignLeft)
+
+        self.excellon_format_lower_in_entry = IntEntry()
+        self.excellon_format_lower_in_entry.setMaxLength(1)
+        self.excellon_format_lower_in_entry.setAlignment(QtCore.Qt.AlignRight)
+        self.excellon_format_lower_in_entry.setMinimumWidth(30)
+        self.excellon_format_lower_in_entry.setToolTip(
+            _("This numbers signify the number of digits in\n"
+              "the decimal part of Excellon coordinates.")
+        )
+        hlay1.addWidget(self.excellon_format_lower_in_entry, QtCore.Qt.AlignLeft)
+        hlay1.addStretch()
+
+        hlay2 = QtWidgets.QHBoxLayout()
+        self.layout.addLayout(hlay2)
+        self.excellon_format_mm_label = QtWidgets.QLabel('%s:' % _("METRIC"))
+        self.excellon_format_mm_label.setAlignment(QtCore.Qt.AlignLeft)
+        self.excellon_format_mm_label.setToolTip(
+            _("Default values for METRIC are 3:3"))
+        hlay2.addWidget(self.excellon_format_mm_label, QtCore.Qt.AlignLeft)
+
+        self.excellon_format_upper_mm_entry = IntEntry()
+        self.excellon_format_upper_mm_entry.setMaxLength(1)
+        self.excellon_format_upper_mm_entry.setAlignment(QtCore.Qt.AlignRight)
+        self.excellon_format_upper_mm_entry.setMinimumWidth(30)
+        self.excellon_format_upper_mm_entry.setToolTip(
+            _("This numbers signify the number of digits in\n"
+              "the whole part of Excellon coordinates.")
+        )
+        hlay2.addWidget(self.excellon_format_upper_mm_entry, QtCore.Qt.AlignLeft)
+
+        excellon_separator_mm_label = QtWidgets.QLabel(':')
+        excellon_separator_mm_label.setFixedWidth(5)
+        hlay2.addWidget(excellon_separator_mm_label, QtCore.Qt.AlignLeft)
+
+        self.excellon_format_lower_mm_entry = IntEntry()
+        self.excellon_format_lower_mm_entry.setMaxLength(1)
+        self.excellon_format_lower_mm_entry.setAlignment(QtCore.Qt.AlignRight)
+        self.excellon_format_lower_mm_entry.setMinimumWidth(30)
+        self.excellon_format_lower_mm_entry.setToolTip(
+            _("This numbers signify the number of digits in\n"
+              "the decimal part of Excellon coordinates.")
+        )
+        hlay2.addWidget(self.excellon_format_lower_mm_entry, QtCore.Qt.AlignLeft)
+        hlay2.addStretch()
+
+        grid2 = QtWidgets.QGridLayout()
+        self.layout.addLayout(grid2)
+
+        self.excellon_zeros_label = QtWidgets.QLabel('%s:' % _('Default <b>Zeros</b>'))
+        self.excellon_zeros_label.setAlignment(QtCore.Qt.AlignLeft)
+        self.excellon_zeros_label.setToolTip(
+            _("This sets the type of Excellon zeros.\n"
+              "If LZ then Leading Zeros are kept and\n"
+              "Trailing Zeros are removed.\n"
+              "If TZ is checked then Trailing Zeros are kept\n"
+              "and Leading Zeros are removed.")
+        )
+        grid2.addWidget(self.excellon_zeros_label, 0, 0)
+
+        self.excellon_zeros_radio = RadioSet([{'label': _('LZ'), 'value': 'L'},
+                                              {'label': _('TZ'), 'value': 'T'}])
+        self.excellon_zeros_radio.setToolTip(
+            _("This sets the default type of Excellon zeros.\n"
+              "If it is not detected in the parsed file the value here\n"
+              "will be used."
+              "If LZ then Leading Zeros are kept and\n"
+              "Trailing Zeros are removed.\n"
+              "If TZ is checked then Trailing Zeros are kept\n"
+              "and Leading Zeros are removed.")
+        )
+        grid2.addWidget(self.excellon_zeros_radio, 0, 1)
+
+        self.excellon_units_label = QtWidgets.QLabel('%s:' % _('Default <b>Units</b>'))
+        self.excellon_units_label.setAlignment(QtCore.Qt.AlignLeft)
+        self.excellon_units_label.setToolTip(
+            _("This sets the default units of Excellon files.\n"
+              "If it is not detected in the parsed file the value here\n"
+              "will be used."
+              "Some Excellon files don't have an header\n"
+              "therefore this parameter will be used.")
+        )
+        grid2.addWidget(self.excellon_units_label, 1, 0)
+
+        self.excellon_units_radio = RadioSet([{'label': _('INCH'), 'value': 'INCH'},
+                                              {'label': _('MM'), 'value': 'METRIC'}])
+        self.excellon_units_radio.setToolTip(
+            _("This sets the units of Excellon files.\n"
+              "Some Excellon files don't have an header\n"
+              "therefore this parameter will be used.")
+        )
+        grid2.addWidget(self.excellon_units_radio, 1, 1)
+
+        self.update_excellon_cb = FCCheckBox(label=_('Update Export settings'))
+        self.update_excellon_cb.setToolTip(
+            "If checked, the Excellon Export settings will be updated with the ones above."
+        )
+        grid2.addWidget(self.update_excellon_cb, 2, 0, 1, 2)
+
+        grid2.addWidget(QtWidgets.QLabel(""), 3, 0)
+
+        self.excellon_general_label = QtWidgets.QLabel("<b>%s:</b>" % _("Excellon Optimization"))
+        grid2.addWidget(self.excellon_general_label, 4, 0, 1, 2)
+
+        self.excellon_optimization_label = QtWidgets.QLabel(_('Algorithm:'))
+        self.excellon_optimization_label.setToolTip(
+            _("This sets the optimization type for the Excellon drill path.\n"
+              "If <<MetaHeuristic>> is checked then Google OR-Tools algorithm with\n"
+              "MetaHeuristic Guided Local Path is used. Default search time is 3sec.\n"
+              "If <<Basic>> is checked then Google OR-Tools Basic algorithm is used.\n"
+              "If <<TSA>> is checked then Travelling Salesman algorithm is used for\n"
+              "drill path optimization.\n"
+              "\n"
+              "If this control is disabled, then FlatCAM works in 32bit mode and it uses\n"
+              "Travelling Salesman algorithm for path optimization.")
+        )
+        grid2.addWidget(self.excellon_optimization_label, 5, 0)
+
+        self.excellon_optimization_radio = RadioSet([{'label': _('MetaHeuristic'), 'value': 'M'},
+                                                     {'label': _('Basic'), 'value': 'B'},
+                                                     {'label': _('TSA'), 'value': 'T'}],
+                                                    orientation='vertical', stretch=False)
+        self.excellon_optimization_radio.setToolTip(
+            _("This sets the optimization type for the Excellon drill path.\n"
+              "If <<MetaHeuristic>> is checked then Google OR-Tools algorithm with\n"
+              "MetaHeuristic Guided Local Path is used. Default search time is 3sec.\n"
+              "If <<Basic>> is checked then Google OR-Tools Basic algorithm is used.\n"
+              "If <<TSA>> is checked then Travelling Salesman algorithm is used for\n"
+              "drill path optimization.\n"
+              "\n"
+              "If this control is disabled, then FlatCAM works in 32bit mode and it uses\n"
+              "Travelling Salesman algorithm for path optimization.")
+        )
+        grid2.addWidget(self.excellon_optimization_radio, 5, 1)
+
+        self.optimization_time_label = QtWidgets.QLabel('%s:' % _('Optimization Time'))
+        self.optimization_time_label.setAlignment(QtCore.Qt.AlignLeft)
+        self.optimization_time_label.setToolTip(
+            _("When OR-Tools Metaheuristic (MH) is enabled there is a\n"
+              "maximum threshold for how much time is spent doing the\n"
+              "path optimization. This max duration is set here.\n"
+              "In seconds.")
+
+        )
+        grid2.addWidget(self.optimization_time_label, 6, 0)
+
+        self.optimization_time_entry = IntEntry()
+        self.optimization_time_entry.setValidator(QtGui.QIntValidator(0, 999))
+        grid2.addWidget(self.optimization_time_entry, 6, 1)
+
+        current_platform = platform.architecture()[0]
+        if current_platform == '64bit':
+            self.excellon_optimization_label.setDisabled(False)
+            self.excellon_optimization_radio.setDisabled(False)
+            self.optimization_time_label.setDisabled(False)
+            self.optimization_time_entry.setDisabled(False)
+            self.excellon_optimization_radio.activated_custom.connect(self.optimization_selection)
+
+        else:
+            self.excellon_optimization_label.setDisabled(True)
+            self.excellon_optimization_radio.setDisabled(True)
+            self.optimization_time_label.setDisabled(True)
+            self.optimization_time_entry.setDisabled(True)
+
+        self.layout.addStretch()
+
+    def optimization_selection(self):
+        if self.excellon_optimization_radio.get_value() == 'M':
+            self.optimization_time_label.setDisabled(False)
+            self.optimization_time_entry.setDisabled(False)
+        else:
+            self.optimization_time_label.setDisabled(True)
+            self.optimization_time_entry.setDisabled(True)
+
+
+class ExcellonOptPrefGroupUI(OptionsGroupUI):
+
+    def __init__(self, parent=None):
+        # OptionsGroupUI.__init__(self, "Excellon Options", parent=parent)
+        super(ExcellonOptPrefGroupUI, self).__init__(self)
+
+        self.setTitle(str(_("Excellon Options")))
+
+        # ## Create CNC Job
+        self.cncjob_label = QtWidgets.QLabel('<b>%s</b>' % _('Create CNC Job'))
+        self.cncjob_label.setToolTip(
+            _("Parameters used to create a CNC Job object\n"
+              "for this drill object.")
+        )
+        self.layout.addWidget(self.cncjob_label)
+
+        grid2 = QtWidgets.QGridLayout()
+        self.layout.addLayout(grid2)
+
+        # Cut Z
+        cutzlabel = QtWidgets.QLabel('%s:' % _('Cut Z'))
+        cutzlabel.setToolTip(
+            _("Drill depth (negative)\n"
+              "below the copper surface.")
+        )
+        grid2.addWidget(cutzlabel, 0, 0)
+        self.cutz_entry = LengthEntry()
+        grid2.addWidget(self.cutz_entry, 0, 1)
+
+        # Travel Z
+        travelzlabel = QtWidgets.QLabel('%s:' % _('Travel Z'))
+        travelzlabel.setToolTip(
+            _("Tool height when travelling\n"
+              "across the XY plane.")
+        )
+        grid2.addWidget(travelzlabel, 1, 0)
+        self.travelz_entry = LengthEntry()
+        grid2.addWidget(self.travelz_entry, 1, 1)
+
+        # Tool change:
+        toolchlabel = QtWidgets.QLabel('%s:' % _("Tool change"))
+        toolchlabel.setToolTip(
+            _("Include tool-change sequence\n"
+              "in G-Code (Pause for tool change).")
+        )
+        self.toolchange_cb = FCCheckBox()
+        grid2.addWidget(toolchlabel, 2, 0)
+        grid2.addWidget(self.toolchange_cb, 2, 1)
+
+        toolchangezlabel = QtWidgets.QLabel('%s:' % _('Toolchange Z'))
+        toolchangezlabel.setToolTip(
+            _("Z-axis position (height) for\n"
+              "tool change.")
+        )
+        grid2.addWidget(toolchangezlabel, 3, 0)
+        self.toolchangez_entry = LengthEntry()
+        grid2.addWidget(self.toolchangez_entry, 3, 1)
+
+        # End Move Z
+        endzlabel = QtWidgets.QLabel('%s:' % _('End move Z'))
+        endzlabel.setToolTip(
+            _("Height of the tool after\n"
+              "the last move at the end of the job.")
+        )
+        grid2.addWidget(endzlabel, 4, 0)
+        self.eendz_entry = LengthEntry()
+        grid2.addWidget(self.eendz_entry, 4, 1)
+
+        # Feedrate Z
+        frlabel = QtWidgets.QLabel('%s:' % _('Feedrate Z'))
+        frlabel.setToolTip(
+            _("Tool speed while drilling\n"
+              "(in units per minute).\n"
+              "So called 'Plunge' feedrate.\n"
+              "This is for linear move G01.")
+        )
+        grid2.addWidget(frlabel, 5, 0)
+        self.feedrate_entry = LengthEntry()
+        grid2.addWidget(self.feedrate_entry, 5, 1)
+
+        # Spindle speed
+        spdlabel = QtWidgets.QLabel('%s:' % _('Spindle Speed'))
+        spdlabel.setToolTip(
+            _("Speed of the spindle\n"
+              "in RPM (optional)")
+        )
+        grid2.addWidget(spdlabel, 6, 0)
+        self.spindlespeed_entry = IntEntry(allow_empty=True)
+        grid2.addWidget(self.spindlespeed_entry, 6, 1)
+
+        # Dwell
+        dwelllabel = QtWidgets.QLabel('%s:' % _('Dwell'))
+        dwelllabel.setToolTip(
+            _("Pause to allow the spindle to reach its\n"
+              "speed before cutting.")
+        )
+        dwelltime = QtWidgets.QLabel('%s:' % _('Duration'))
+        dwelltime.setToolTip(
+            _("Number of time units for spindle to dwell.")
+        )
+        self.dwell_cb = FCCheckBox()
+        self.dwelltime_entry = FCEntry()
+
+        grid2.addWidget(dwelllabel, 7, 0)
+        grid2.addWidget(self.dwell_cb, 7, 1)
+        grid2.addWidget(dwelltime, 8, 0)
+        grid2.addWidget(self.dwelltime_entry, 8, 1)
+
+        self.ois_dwell_exc = OptionalInputSection(self.dwell_cb, [self.dwelltime_entry])
+
+        # postprocessor selection
+        pp_excellon_label = QtWidgets.QLabel('%s:' % _("Postprocessor"))
+        pp_excellon_label.setToolTip(
+            _("The postprocessor JSON file that dictates\n"
+              "Gcode output.")
+        )
+        grid2.addWidget(pp_excellon_label, 9, 0)
+        self.pp_excellon_name_cb = FCComboBox()
+        self.pp_excellon_name_cb.setFocusPolicy(Qt.StrongFocus)
+        grid2.addWidget(self.pp_excellon_name_cb, 9, 1)
+
+        # ### Choose what to use for Gcode creation: Drills, Slots or Both
+        excellon_gcode_type_label = QtWidgets.QLabel('<b>%s</b>' % _('Gcode'))
+        excellon_gcode_type_label.setToolTip(
+            _("Choose what to use for GCode generation:\n"
+              "'Drills', 'Slots' or 'Both'.\n"
+              "When choosing 'Slots' or 'Both', slots will be\n"
+              "converted to drills.")
+        )
+        self.excellon_gcode_type_radio = RadioSet([{'label': 'Drills', 'value': 'drills'},
+                                                   {'label': 'Slots', 'value': 'slots'},
+                                                   {'label': 'Both', 'value': 'both'}])
+        grid2.addWidget(excellon_gcode_type_label, 10, 0)
+        grid2.addWidget(self.excellon_gcode_type_radio, 10, 1)
+
+        # until I decide to implement this feature those remain disabled
+        excellon_gcode_type_label.hide()
+        self.excellon_gcode_type_radio.setVisible(False)
+
+        # ### Milling Holes ## ##
+        self.mill_hole_label = QtWidgets.QLabel('<b>%s</b>' % _('Mill Holes'))
+        self.mill_hole_label.setToolTip(
+            _("Create Geometry for milling holes.")
+        )
+        grid2.addWidget(self.mill_hole_label, 11, 0, 1, 2)
+
+        tdlabel = QtWidgets.QLabel('%s:' % _('Drill Tool dia'))
+        tdlabel.setToolTip(
+            _("Diameter of the cutting tool.")
+        )
+        grid2.addWidget(tdlabel, 12, 0)
+        self.tooldia_entry = LengthEntry()
+        grid2.addWidget(self.tooldia_entry, 12, 1)
+        stdlabel = QtWidgets.QLabel('%s:' % _('Slot Tool dia'))
+        stdlabel.setToolTip(
+            _("Diameter of the cutting tool\n"
+              "when milling slots.")
+        )
+        grid2.addWidget(stdlabel, 13, 0)
+        self.slot_tooldia_entry = LengthEntry()
+        grid2.addWidget(self.slot_tooldia_entry, 13, 1)
+
+        grid4 = QtWidgets.QGridLayout()
+        self.layout.addLayout(grid4)
+
+        # Adding the Excellon Format Defaults Button
+        self.excellon_defaults_button = QtWidgets.QPushButton()
+        self.excellon_defaults_button.setText(str(_("Defaults")))
+        self.excellon_defaults_button.setMinimumWidth(80)
+        grid4.addWidget(self.excellon_defaults_button, 0, 0, QtCore.Qt.AlignRight)
+
+        self.layout.addStretch()
+
+
+class ExcellonAdvOptPrefGroupUI(OptionsGroupUI):
+
+    def __init__(self, parent=None):
+        # OptionsGroupUI.__init__(self, "Excellon Advanced Options", parent=parent)
+        super(ExcellonAdvOptPrefGroupUI, self).__init__(self)
+
+        self.setTitle(str(_("Excellon Adv. Options")))
+
+        # #######################
+        # ## ADVANCED OPTIONS ###
+        # #######################
+
+        self.exc_label = QtWidgets.QLabel('<b>%s:</b>' % _('Advanced Options'))
+        self.exc_label.setToolTip(
+            _("A list of Excellon advanced parameters.\n"
+              "Those parameters are available only for\n"
+              "Advanced App. Level.")
+        )
+        self.layout.addWidget(self.exc_label)
+
+        grid1 = QtWidgets.QGridLayout()
+        self.layout.addLayout(grid1)
+
+        offsetlabel = QtWidgets.QLabel('%s:' % _('Offset Z'))
+        offsetlabel.setToolTip(
+            _("Some drill bits (the larger ones) need to drill deeper\n"
+              "to create the desired exit hole diameter due of the tip shape.\n"
+              "The value here can compensate the Cut Z parameter."))
+        grid1.addWidget(offsetlabel, 0, 0)
+        self.offset_entry = LengthEntry()
+        grid1.addWidget(self.offset_entry, 0, 1)
+
+        toolchange_xy_label = QtWidgets.QLabel('%s:' % _('Toolchange X,Y'))
+        toolchange_xy_label.setToolTip(
+            _("Toolchange X,Y position.")
+        )
+        grid1.addWidget(toolchange_xy_label, 1, 0)
+        self.toolchangexy_entry = FCEntry()
+        grid1.addWidget(self.toolchangexy_entry, 1, 1)
+
+        startzlabel = QtWidgets.QLabel('%s:' % _('Start move Z'))
+        startzlabel.setToolTip(
+            _("Height of the tool just after start.\n"
+              "Delete the value if you don't need this feature.")
+        )
+        grid1.addWidget(startzlabel, 2, 0)
+        self.estartz_entry = FloatEntry()
+        grid1.addWidget(self.estartz_entry, 2, 1)
+
+        # Feedrate Rapids
+        fr_rapid_label = QtWidgets.QLabel('%s:' % _('Feedrate Rapids'))
+        fr_rapid_label.setToolTip(
+            _("Tool speed while drilling\n"
+              "(in units per minute).\n"
+              "This is for the rapid move G00.\n"
+              "It is useful only for Marlin,\n"
+              "ignore for any other cases.")
+        )
+        grid1.addWidget(fr_rapid_label, 3, 0)
+        self.feedrate_rapid_entry = LengthEntry()
+        grid1.addWidget(self.feedrate_rapid_entry, 3, 1)
+
+        # Probe depth
+        self.pdepth_label = QtWidgets.QLabel('%s:' % _("Probe Z depth"))
+        self.pdepth_label.setToolTip(
+            _("The maximum depth that the probe is allowed\n"
+              "to probe. Negative value, in current units.")
+        )
+        grid1.addWidget(self.pdepth_label, 4, 0)
+        self.pdepth_entry = FCEntry()
+        grid1.addWidget(self.pdepth_entry, 4, 1)
+
+        # Probe feedrate
+        self.feedrate_probe_label = QtWidgets.QLabel('%s:' % _("Feedrate Probe"))
+        self.feedrate_probe_label.setToolTip(
+           _("The feedrate used while the probe is probing.")
+        )
+        grid1.addWidget(self.feedrate_probe_label, 5, 0)
+        self.feedrate_probe_entry = FCEntry()
+        grid1.addWidget(self.feedrate_probe_entry, 5, 1)
+
+        # Spindle direction
+        spindle_dir_label = QtWidgets.QLabel('%s:' % _('Spindle dir.'))
+        spindle_dir_label.setToolTip(
+            _("This sets the direction that the spindle is rotating.\n"
+              "It can be either:\n"
+              "- CW = clockwise or\n"
+              "- CCW = counter clockwise")
+        )
+
+        self.spindledir_radio = RadioSet([{'label': _('CW'), 'value': 'CW'},
+                                          {'label': _('CCW'), 'value': 'CCW'}])
+        grid1.addWidget(spindle_dir_label, 6, 0)
+        grid1.addWidget(self.spindledir_radio, 6, 1)
+
+        fplungelabel = QtWidgets.QLabel('%s:' % _('Fast Plunge'))
+        fplungelabel.setToolTip(
+            _("By checking this, the vertical move from\n"
+              "Z_Toolchange to Z_move is done with G0,\n"
+              "meaning the fastest speed available.\n"
+              "WARNING: the move is done at Toolchange X,Y coords.")
+        )
+        self.fplunge_cb = FCCheckBox()
+        grid1.addWidget(fplungelabel, 7, 0)
+        grid1.addWidget(self.fplunge_cb, 7, 1)
+
+        fretractlabel = QtWidgets.QLabel('%s:' % _('Fast Retract'))
+        fretractlabel.setToolTip(
+            _("Exit hole strategy.\n"
+              " - When uncheked, while exiting the drilled hole the drill bit\n"
+              "will travel slow, with set feedrate (G1), up to zero depth and then\n"
+              "travel as fast as possible (G0) to the Z Move (travel height).\n"
+              " - When checked the travel from Z cut (cut depth) to Z_move\n"
+              "(travel height) is done as fast as possible (G0) in one move.")
+        )
+        self.fretract_cb = FCCheckBox()
+        grid1.addWidget(fretractlabel, 8, 0)
+        grid1.addWidget(self.fretract_cb, 8, 1)
+
+        self.layout.addStretch()
+
+
+class ExcellonExpPrefGroupUI(OptionsGroupUI):
+
+    def __init__(self, parent=None):
+        super(ExcellonExpPrefGroupUI, self).__init__(self)
+
+        self.setTitle(str(_("Excellon Export")))
+
+        # Plot options
+        self.export_options_label = QtWidgets.QLabel("<b>%s:</b>" % _("Export Options"))
+        self.export_options_label.setToolTip(
+            _("The parameters set here are used in the file exported\n"
+              "when using the File -> Export -> Export Excellon menu entry.")
+        )
+        self.layout.addWidget(self.export_options_label)
+
+        form = QtWidgets.QFormLayout()
+        self.layout.addLayout(form)
+
+        # Excellon Units
+        self.excellon_units_label = QtWidgets.QLabel('<b>%s:</b>' % _('Units'))
+        self.excellon_units_label.setToolTip(
+            _("The units used in the Excellon file.")
+        )
+
+        self.excellon_units_radio = RadioSet([{'label': _('INCH'), 'value': 'INCH'},
+                                              {'label': _('MM'), 'value': 'METRIC'}])
+        self.excellon_units_radio.setToolTip(
+            _("The units used in the Excellon file.")
+        )
+
+        form.addRow(self.excellon_units_label, self.excellon_units_radio)
+
+        # Excellon non-decimal format
+        self.digits_label = QtWidgets.QLabel("<b>%s:</b>" % _("Int/Decimals"))
+        self.digits_label.setToolTip(
+            _("The NC drill files, usually named Excellon files\n"
+              "are files that can be found in different formats.\n"
+              "Here we set the format used when the provided\n"
+              "coordinates are not using period.")
+        )
+
+        hlay1 = QtWidgets.QHBoxLayout()
+
+        self.format_whole_entry = IntEntry()
+        self.format_whole_entry.setMaxLength(1)
+        self.format_whole_entry.setAlignment(QtCore.Qt.AlignRight)
+        self.format_whole_entry.setMinimumWidth(30)
+        self.format_whole_entry.setToolTip(
+            _("This numbers signify the number of digits in\n"
+              "the whole part of Excellon coordinates.")
+        )
+        hlay1.addWidget(self.format_whole_entry, QtCore.Qt.AlignLeft)
+
+        excellon_separator_label = QtWidgets.QLabel(':')
+        excellon_separator_label.setFixedWidth(5)
+        hlay1.addWidget(excellon_separator_label, QtCore.Qt.AlignLeft)
+
+        self.format_dec_entry = IntEntry()
+        self.format_dec_entry.setMaxLength(1)
+        self.format_dec_entry.setAlignment(QtCore.Qt.AlignRight)
+        self.format_dec_entry.setMinimumWidth(30)
+        self.format_dec_entry.setToolTip(
+            _("This numbers signify the number of digits in\n"
+              "the decimal part of Excellon coordinates.")
+        )
+        hlay1.addWidget(self.format_dec_entry, QtCore.Qt.AlignLeft)
+        hlay1.addStretch()
+
+        form.addRow(self.digits_label, hlay1)
+
+        # Select the Excellon Format
+        self.format_label = QtWidgets.QLabel("<b>%s:</b>" % _("Format"))
+        self.format_label.setToolTip(
+            _("Select the kind of coordinates format used.\n"
+              "Coordinates can be saved with decimal point or without.\n"
+              "When there is no decimal point, it is required to specify\n"
+              "the number of digits for integer part and the number of decimals.\n"
+              "Also it will have to be specified if LZ = leading zeros are kept\n"
+              "or TZ = trailing zeros are kept.")
+        )
+        self.format_radio = RadioSet([{'label': _('Decimal'), 'value': 'dec'},
+                                      {'label': _('No-Decimal'), 'value': 'ndec'}])
+        self.format_radio.setToolTip(
+            _("Select the kind of coordinates format used.\n"
+              "Coordinates can be saved with decimal point or without.\n"
+              "When there is no decimal point, it is required to specify\n"
+              "the number of digits for integer part and the number of decimals.\n"
+              "Also it will have to be specified if LZ = leading zeros are kept\n"
+              "or TZ = trailing zeros are kept.")
+        )
+
+        form.addRow(self.format_label, self.format_radio)
+
+        # Excellon Zeros
+        self.zeros_label = QtWidgets.QLabel('<b>%s:</b>' % _('Zeros'))
+        self.zeros_label.setAlignment(QtCore.Qt.AlignLeft)
+        self.zeros_label.setToolTip(
+            _("This sets the type of Excellon zeros.\n"
+              "If LZ then Leading Zeros are kept and\n"
+              "Trailing Zeros are removed.\n"
+              "If TZ is checked then Trailing Zeros are kept\n"
+              "and Leading Zeros are removed.")
+        )
+
+        self.zeros_radio = RadioSet([{'label': _('LZ'), 'value': 'LZ'},
+                                     {'label': _('TZ'), 'value': 'TZ'}])
+        self.zeros_radio.setToolTip(
+            _("This sets the default type of Excellon zeros.\n"
+              "If LZ then Leading Zeros are kept and\n"
+              "Trailing Zeros are removed.\n"
+              "If TZ is checked then Trailing Zeros are kept\n"
+              "and Leading Zeros are removed.")
+        )
+
+        form.addRow(self.zeros_label, self.zeros_radio)
+
+        # Slot type
+        self.slot_type_label = QtWidgets.QLabel('<b>%s:</b>' % _('Slot type'))
+        self.slot_type_label.setAlignment(QtCore.Qt.AlignLeft)
+        self.slot_type_label.setToolTip(
+            _("This sets how the slots will be exported.\n"
+              "If ROUTED then the slots will be routed\n"
+              "using M15/M16 commands.\n"
+              "If DRILLED(G85) the slots will be exported\n"
+              "using the Drilled slot command (G85).")
+        )
+
+        self.slot_type_radio = RadioSet([{'label': _('Routed'), 'value': 'routing'},
+                                         {'label': _('Drilled(G85)'), 'value': 'drilling'}])
+        self.slot_type_radio.setToolTip(
+            _("This sets how the slots will be exported.\n"
+              "If ROUTED then the slots will be routed\n"
+              "using M15/M16 commands.\n"
+              "If DRILLED(G85) the slots will be exported\n"
+              "using the Drilled slot command (G85).")
+        )
+
+        form.addRow(self.slot_type_label, self.slot_type_radio)
+
+        self.layout.addStretch()
+        self.format_radio.activated_custom.connect(self.optimization_selection)
+
+    def optimization_selection(self):
+        if self.format_radio.get_value() == 'dec':
+            self.zeros_label.setDisabled(True)
+            self.zeros_radio.setDisabled(True)
+        else:
+            self.zeros_label.setDisabled(False)
+            self.zeros_radio.setDisabled(False)
+
+
+class ExcellonEditorPrefGroupUI(OptionsGroupUI):
+    def __init__(self, parent=None):
+        super(ExcellonEditorPrefGroupUI, self).__init__(self)
+
+        self.setTitle(str(_("Excellon Editor")))
+
+        # Excellon Editor Parameters
+        self.param_label = QtWidgets.QLabel("<b>%s:</b>" % _("Parameters"))
+        self.param_label.setToolTip(
+            _("A list of Excellon Editor parameters.")
+        )
+        self.layout.addWidget(self.param_label)
+
+        grid0 = QtWidgets.QGridLayout()
+        self.layout.addLayout(grid0)
+
+        # Selection Limit
+        self.sel_limit_label = QtWidgets.QLabel('%s:' % _("Selection limit"))
+        self.sel_limit_label.setToolTip(
+            _("Set the number of selected Excellon geometry\n"
+              "items above which the utility geometry\n"
+              "becomes just a selection rectangle.\n"
+              "Increases the performance when moving a\n"
+              "large number of geometric elements.")
+        )
+        self.sel_limit_entry = IntEntry()
+
+        grid0.addWidget(self.sel_limit_label, 0, 0)
+        grid0.addWidget(self.sel_limit_entry, 0, 1)
+
+        # New tool diameter
+        self.addtool_entry_lbl = QtWidgets.QLabel('%s:' % _('New Tool Dia'))
+        self.addtool_entry_lbl.setToolTip(
+            _("Diameter for the new tool")
+        )
+
+        self.addtool_entry = FCEntry()
+        self.addtool_entry.setValidator(QtGui.QDoubleValidator(0.0001, 99.9999, 4))
+
+        grid0.addWidget(self.addtool_entry_lbl, 1, 0)
+        grid0.addWidget(self.addtool_entry, 1, 1)
+
+        # Number of drill holes in a drill array
+        self.drill_array_size_label = QtWidgets.QLabel('%s:' % _('Nr of drills'))
+        self.drill_array_size_label.setToolTip(
+            _("Specify how many drills to be in the array.")
+        )
+        # self.drill_array_size_label.setMinimumWidth(100)
+
+        self.drill_array_size_entry = LengthEntry()
+
+        grid0.addWidget(self.drill_array_size_label, 2, 0)
+        grid0.addWidget(self.drill_array_size_entry, 2, 1)
+
+        self.drill_array_linear_label = QtWidgets.QLabel('<b>%s:</b>' % _('Linear Drill Array'))
+        grid0.addWidget(self.drill_array_linear_label, 3, 0, 1, 2)
+
+        # Linear Drill Array direction
+        self.drill_axis_label = QtWidgets.QLabel('%s:' % _('Linear Dir.'))
+        self.drill_axis_label.setToolTip(
+            _("Direction on which the linear array is oriented:\n"
+              "- 'X' - horizontal axis \n"
+              "- 'Y' - vertical axis or \n"
+              "- 'Angle' - a custom angle for the array inclination")
+        )
+        # self.drill_axis_label.setMinimumWidth(100)
+        self.drill_axis_radio = RadioSet([{'label': _('X'), 'value': 'X'},
+                                          {'label': _('Y'), 'value': 'Y'},
+                                          {'label': _('Angle'), 'value': 'A'}])
+
+        grid0.addWidget(self.drill_axis_label, 4, 0)
+        grid0.addWidget(self.drill_axis_radio, 4, 1)
+
+        # Linear Drill Array pitch distance
+        self.drill_pitch_label = QtWidgets.QLabel('%s:' % _('Pitch'))
+        self.drill_pitch_label.setToolTip(
+            _("Pitch = Distance between elements of the array.")
+        )
+        # self.drill_pitch_label.setMinimumWidth(100)
+        self.drill_pitch_entry = LengthEntry()
+
+        grid0.addWidget(self.drill_pitch_label, 5, 0)
+        grid0.addWidget(self.drill_pitch_entry, 5, 1)
+
+        # Linear Drill Array custom angle
+        self.drill_angle_label = QtWidgets.QLabel('%s:' % _('Angle'))
+        self.drill_angle_label.setToolTip(
+            _("Angle at which each element in circular array is placed.")
+        )
+        self.drill_angle_entry = LengthEntry()
+
+        grid0.addWidget(self.drill_angle_label, 6, 0)
+        grid0.addWidget(self.drill_angle_entry, 6, 1)
+
+        self.drill_array_circ_label = QtWidgets.QLabel('<b>%s:</b>' % _('Circular Drill Array'))
+        grid0.addWidget(self.drill_array_circ_label, 7, 0, 1, 2)
+
+        # Circular Drill Array direction
+        self.drill_circular_direction_label = QtWidgets.QLabel('%s:' % _('Circular Dir.'))
+        self.drill_circular_direction_label.setToolTip(
+            _("Direction for circular array.\n"
+              "Can be CW = clockwise or CCW = counter clockwise.")
+        )
+
+        self.drill_circular_dir_radio = RadioSet([{'label': _('CW'), 'value': 'CW'},
+                                                  {'label': _('CCW'), 'value': 'CCW'}])
+
+        grid0.addWidget(self.drill_circular_direction_label, 8, 0)
+        grid0.addWidget(self.drill_circular_dir_radio, 8, 1)
+
+        # Circular Drill Array Angle
+        self.drill_circular_angle_label = QtWidgets.QLabel('%s:' % _('Circ. Angle'))
+        self.drill_circular_angle_label.setToolTip(
+            _("Angle at which each element in circular array is placed.")
+        )
+        self.drill_circular_angle_entry = LengthEntry()
+
+        grid0.addWidget(self.drill_circular_angle_label, 9, 0)
+        grid0.addWidget(self.drill_circular_angle_entry, 9, 1)
+
+        # ##### SLOTS #####
+        # #################
+        self.drill_array_circ_label = QtWidgets.QLabel('<b>%s:</b>' % _('Slots'))
+        grid0.addWidget(self.drill_array_circ_label, 10, 0, 1, 2)
+
+        # Slot length
+        self.slot_length_label = QtWidgets.QLabel('%s:' % _('Length'))
+        self.slot_length_label.setToolTip(
+            _("Length = The length of the slot.")
+        )
+        self.slot_length_label.setMinimumWidth(100)
+
+        self.slot_length_entry = LengthEntry()
+        grid0.addWidget(self.slot_length_label, 11, 0)
+        grid0.addWidget(self.slot_length_entry, 11, 1)
+
+        # Slot direction
+        self.slot_axis_label = QtWidgets.QLabel('%s:' % _('Direction'))
+        self.slot_axis_label.setToolTip(
+            _("Direction on which the slot is oriented:\n"
+              "- 'X' - horizontal axis \n"
+              "- 'Y' - vertical axis or \n"
+              "- 'Angle' - a custom angle for the slot inclination")
+        )
+        self.slot_axis_label.setMinimumWidth(100)
+
+        self.slot_axis_radio = RadioSet([{'label': _('X'), 'value': 'X'},
+                                         {'label': _('Y'), 'value': 'Y'},
+                                         {'label': _('Angle'), 'value': 'A'}])
+        grid0.addWidget(self.slot_axis_label, 12, 0)
+        grid0.addWidget(self.slot_axis_radio, 12, 1)
+
+        # Slot custom angle
+        self.slot_angle_label = QtWidgets.QLabel('%s:' % _('Angle'))
+        self.slot_angle_label.setToolTip(
+            _("Angle at which the slot is placed.\n"
+              "The precision is of max 2 decimals.\n"
+              "Min value is: -359.99 degrees.\n"
+              "Max value is:  360.00 degrees.")
+        )
+        self.slot_angle_label.setMinimumWidth(100)
+
+        self.slot_angle_spinner = FCDoubleSpinner()
+        self.slot_angle_spinner.set_precision(2)
+        self.slot_angle_spinner.setWrapping(True)
+        self.slot_angle_spinner.setRange(-359.99, 360.00)
+        self.slot_angle_spinner.setSingleStep(1.0)
+        grid0.addWidget(self.slot_angle_label, 13, 0)
+        grid0.addWidget(self.slot_angle_spinner, 13, 1)
+
+        # #### SLOTS ARRAY #######
+        # ########################
+
+        self.slot_array_linear_label = QtWidgets.QLabel('<b>%s:</b>' % _('Linear Slot Array'))
+        grid0.addWidget(self.slot_array_linear_label, 14, 0, 1, 2)
+
+        # Number of slot holes in a drill array
+        self.slot_array_size_label = QtWidgets.QLabel('%s:' % _('Nr of slots'))
+        self.drill_array_size_label.setToolTip(
+            _("Specify how many slots to be in the array.")
+        )
+        # self.slot_array_size_label.setMinimumWidth(100)
+
+        self.slot_array_size_entry = LengthEntry()
+
+        grid0.addWidget(self.slot_array_size_label, 15, 0)
+        grid0.addWidget(self.slot_array_size_entry, 15, 1)
+
+        # Linear Slot Array direction
+        self.slot_array_axis_label = QtWidgets.QLabel('%s:' % _('Linear Dir.'))
+        self.slot_array_axis_label.setToolTip(
+            _("Direction on which the linear array is oriented:\n"
+              "- 'X' - horizontal axis \n"
+              "- 'Y' - vertical axis or \n"
+              "- 'Angle' - a custom angle for the array inclination")
+        )
+        # self.slot_axis_label.setMinimumWidth(100)
+        self.slot_array_axis_radio = RadioSet([{'label': _('X'), 'value': 'X'},
+                                               {'label': _('Y'), 'value': 'Y'},
+                                               {'label': _('Angle'), 'value': 'A'}])
+
+        grid0.addWidget(self.slot_array_axis_label, 16, 0)
+        grid0.addWidget(self.slot_array_axis_radio, 16, 1)
+
+        # Linear Slot Array pitch distance
+        self.slot_array_pitch_label = QtWidgets.QLabel('%s:' % _('Pitch'))
+        self.slot_array_pitch_label.setToolTip(
+            _("Pitch = Distance between elements of the array.")
+        )
+        # self.drill_pitch_label.setMinimumWidth(100)
+        self.slot_array_pitch_entry = LengthEntry()
+
+        grid0.addWidget(self.slot_array_pitch_label, 17, 0)
+        grid0.addWidget(self.slot_array_pitch_entry, 17, 1)
+
+        # Linear Slot Array custom angle
+        self.slot_array_angle_label = QtWidgets.QLabel('%s:' % _('Angle'))
+        self.slot_array_angle_label.setToolTip(
+            _("Angle at which each element in circular array is placed.")
+        )
+        self.slot_array_angle_entry = LengthEntry()
+
+        grid0.addWidget(self.slot_array_angle_label, 18, 0)
+        grid0.addWidget(self.slot_array_angle_entry, 18, 1)
+
+        self.slot_array_circ_label = QtWidgets.QLabel('<b>%s:</b>' % _('Circular Slot Array'))
+        grid0.addWidget(self.slot_array_circ_label, 19, 0, 1, 2)
+
+        # Circular Slot Array direction
+        self.slot_array_circular_direction_label = QtWidgets.QLabel('%s:' % _('Circular Dir.'))
+        self.slot_array_circular_direction_label.setToolTip(
+            _("Direction for circular array.\n"
+              "Can be CW = clockwise or CCW = counter clockwise.")
+        )
+
+        self.slot_array_circular_dir_radio = RadioSet([{'label': _('CW'), 'value': 'CW'},
+                                                       {'label': _('CCW'), 'value': 'CCW'}])
+
+        grid0.addWidget(self.slot_array_circular_direction_label, 20, 0)
+        grid0.addWidget(self.slot_array_circular_dir_radio, 20, 1)
+
+        # Circular Slot Array Angle
+        self.slot_array_circular_angle_label = QtWidgets.QLabel('%s:' % _('Circ. Angle'))
+        self.slot_array_circular_angle_label.setToolTip(
+            _("Angle at which each element in circular array is placed.")
+        )
+        self.slot_array_circular_angle_entry = LengthEntry()
+
+        grid0.addWidget(self.slot_array_circular_angle_label, 21, 0)
+        grid0.addWidget(self.slot_array_circular_angle_entry, 21, 1)
+
+        self.layout.addStretch()
+
+
+class GeometryGenPrefGroupUI(OptionsGroupUI):
+    def __init__(self, parent=None):
+        # OptionsGroupUI.__init__(self, "Geometry General Preferences", parent=parent)
+        super(GeometryGenPrefGroupUI, self).__init__(self)
+
+        self.setTitle(str(_("Geometry General")))
+
+        # ## Plot options
+        self.plot_options_label = QtWidgets.QLabel("<b>%s:</b>" % _("Plot Options"))
+        self.layout.addWidget(self.plot_options_label)
+
+        # Plot CB
+        self.plot_cb = FCCheckBox(label=_('Plot'))
+        self.plot_cb.setToolTip(
+            _("Plot (show) this object.")
+        )
+        self.layout.addWidget(self.plot_cb)
+
+        grid0 = QtWidgets.QGridLayout()
+        self.layout.addLayout(grid0)
+
+        # Number of circle steps for circular aperture linear approximation
+        self.circle_steps_label = QtWidgets.QLabel('%s:' % _("Circle Steps"))
+        self.circle_steps_label.setToolTip(
+            _("The number of circle steps for <b>Geometry</b> \n"
+              "circle and arc shapes linear approximation.")
+        )
+        grid0.addWidget(self.circle_steps_label, 1, 0)
+        self.circle_steps_entry = IntEntry()
+        grid0.addWidget(self.circle_steps_entry, 1, 1)
+
+        # Tools
+        self.tools_label = QtWidgets.QLabel("<b>%s:</b>" % _("Tools"))
+        grid0.addWidget(self.tools_label, 2, 0, 1, 2)
+
+        # Tooldia
+        tdlabel = QtWidgets.QLabel('%s:' % _('Tool dia'))
+        tdlabel.setToolTip(
+            _("Diameters of the cutting tools, separated by ','")
+        )
+        grid0.addWidget(tdlabel, 3, 0)
+        self.cnctooldia_entry = FCEntry()
+        grid0.addWidget(self.cnctooldia_entry, 3, 1)
+
+        self.layout.addStretch()
+
+
+class GeometryOptPrefGroupUI(OptionsGroupUI):
+    def __init__(self, parent=None):
+        # OptionsGroupUI.__init__(self, "Geometry Options Preferences", parent=parent)
+        super(GeometryOptPrefGroupUI, self).__init__(self)
+
+        self.setTitle(str(_("Geometry Options")))
+
+        # ------------------------------
+        # ## Create CNC Job
+        # ------------------------------
+        self.cncjob_label = QtWidgets.QLabel('<b>%s:</b>' % _('Create CNC Job'))
+        self.cncjob_label.setToolTip(
+            _("Create a CNC Job object\n"
+              "tracing the contours of this\n"
+              "Geometry object.")
+        )
+        self.layout.addWidget(self.cncjob_label)
+
+        grid1 = QtWidgets.QGridLayout()
+        self.layout.addLayout(grid1)
+
+        # Cut Z
+        cutzlabel = QtWidgets.QLabel('%s:' % _('Cut Z'))
+        cutzlabel.setToolTip(
+            _("Cutting depth (negative)\n"
+              "below the copper surface.")
+        )
+        grid1.addWidget(cutzlabel, 0, 0)
+        self.cutz_entry = LengthEntry()
+        grid1.addWidget(self.cutz_entry, 0, 1)
+
+        # Multidepth CheckBox
+        self.multidepth_cb = FCCheckBox(label=_('Multi-Depth'))
+        self.multidepth_cb.setToolTip(
+            _(
+                "Use multiple passes to limit\n"
+                "the cut depth in each pass. Will\n"
+                "cut multiple times until Cut Z is\n"
+                "reached."
+            )
+        )
+        grid1.addWidget(self.multidepth_cb, 1, 0)
+
+        # Depth/pass
+        dplabel = QtWidgets.QLabel('%s:' % _('Depth/Pass'))
+        dplabel.setToolTip(
+            _("The depth to cut on each pass,\n"
+              "when multidepth is enabled.\n"
+              "It has positive value although\n"
+              "it is a fraction from the depth\n"
+              "which has negative value.")
+        )
+
+        grid1.addWidget(dplabel, 2, 0)
+        self.depthperpass_entry = LengthEntry()
+        grid1.addWidget(self.depthperpass_entry, 2, 1)
+
+        self.ois_multidepth = OptionalInputSection(self.multidepth_cb, [self.depthperpass_entry])
+
+        # Travel Z
+        travelzlabel = QtWidgets.QLabel('%s:' % _('Travel Z'))
+        travelzlabel.setToolTip(
+            _("Height of the tool when\n"
+              "moving without cutting.")
+        )
+        grid1.addWidget(travelzlabel, 3, 0)
+        self.travelz_entry = LengthEntry()
+        grid1.addWidget(self.travelz_entry, 3, 1)
+
+        # Tool change:
+        toolchlabel = QtWidgets.QLabel('%s:' % _("Tool change"))
+        toolchlabel.setToolTip(
+            _(
+                "Include tool-change sequence\n"
+                "in the Machine Code (Pause for tool change)."
+            )
+        )
+        self.toolchange_cb = FCCheckBox()
+        grid1.addWidget(toolchlabel, 4, 0)
+        grid1.addWidget(self.toolchange_cb, 4, 1)
+
+        # Toolchange Z
+        toolchangezlabel = QtWidgets.QLabel('%s:' % _('Toolchange Z'))
+        toolchangezlabel.setToolTip(
+            _(
+                "Z-axis position (height) for\n"
+                "tool change."
+            )
+        )
+        grid1.addWidget(toolchangezlabel, 5, 0)
+        self.toolchangez_entry = LengthEntry()
+        grid1.addWidget(self.toolchangez_entry, 5, 1)
+
+        # End move Z
+        endzlabel = QtWidgets.QLabel('%s:' % _('End move Z'))
+        endzlabel.setToolTip(
+            _("Height of the tool after\n"
+              "the last move at the end of the job.")
+        )
+        grid1.addWidget(endzlabel, 6, 0)
+        self.gendz_entry = LengthEntry()
+        grid1.addWidget(self.gendz_entry, 6, 1)
+
+        # Feedrate X-Y
+        frlabel = QtWidgets.QLabel('%s:' % _('Feed Rate X-Y'))
+        frlabel.setToolTip(
+            _("Cutting speed in the XY\n"
+              "plane in units per minute")
+        )
+        grid1.addWidget(frlabel, 7, 0)
+        self.cncfeedrate_entry = LengthEntry()
+        grid1.addWidget(self.cncfeedrate_entry, 7, 1)
+
+        # Feedrate Z (Plunge)
+        frz_label = QtWidgets.QLabel('%s:' % _('Feed Rate Z'))
+        frz_label.setToolTip(
+            _("Cutting speed in the XY\n"
+              "plane in units per minute.\n"
+              "It is called also Plunge.")
+        )
+        grid1.addWidget(frz_label, 8, 0)
+        self.cncplunge_entry = LengthEntry()
+        grid1.addWidget(self.cncplunge_entry, 8, 1)
+
+        # Spindle Speed
+        spdlabel = QtWidgets.QLabel('%s:' % _('Spindle speed'))
+        spdlabel.setToolTip(
+            _(
+                "Speed of the spindle in RPM (optional).\n"
+                "If LASER postprocessor is used,\n"
+                "this value is the power of laser."
+            )
+        )
+        grid1.addWidget(spdlabel, 9, 0)
+        self.cncspindlespeed_entry = IntEntry(allow_empty=True)
+        grid1.addWidget(self.cncspindlespeed_entry, 9, 1)
+
+        # Dwell
+        self.dwell_cb = FCCheckBox(label='%s:' % _('Dwell'))
+        self.dwell_cb.setToolTip(
+            _("Pause to allow the spindle to reach its\n"
+              "speed before cutting.")
+        )
+        dwelltime = QtWidgets.QLabel('%s:' % _('Duration'))
+        dwelltime.setToolTip(
+            _("Number of time units for spindle to dwell.")
+        )
+        self.dwelltime_entry = FCEntry()
+        grid1.addWidget(self.dwell_cb, 10, 0)
+        grid1.addWidget(dwelltime, 11, 0)
+        grid1.addWidget(self.dwelltime_entry, 11, 1)
+
+        self.ois_dwell = OptionalInputSection(self.dwell_cb, [self.dwelltime_entry])
+
+        # postprocessor selection
+        pp_label = QtWidgets.QLabel('%s:' % _("Postprocessor"))
+        pp_label.setToolTip(
+            _("The Postprocessor file that dictates\n"
+              "the Machine Code (like GCode, RML, HPGL) output.")
+        )
+        grid1.addWidget(pp_label, 12, 0)
+        self.pp_geometry_name_cb = FCComboBox()
+        self.pp_geometry_name_cb.setFocusPolicy(Qt.StrongFocus)
+        grid1.addWidget(self.pp_geometry_name_cb, 12, 1)
+
+        self.layout.addStretch()
+
+
+class GeometryAdvOptPrefGroupUI(OptionsGroupUI):
+    def __init__(self, parent=None):
+        # OptionsGroupUI.__init__(self, "Geometry Advanced Options Preferences", parent=parent)
+        super(GeometryAdvOptPrefGroupUI, self).__init__(self)
+
+        self.setTitle(str(_("Geometry Adv. Options")))
+
+        # ------------------------------
+        # ## Advanced Options
+        # ------------------------------
+        self.geo_label = QtWidgets.QLabel('<b>%s:</b>' % _('Advanced Options'))
+        self.geo_label.setToolTip(
+            _("A list of Geometry advanced parameters.\n"
+              "Those parameters are available only for\n"
+              "Advanced App. Level.")
+        )
+        self.layout.addWidget(self.geo_label)
+
+        grid1 = QtWidgets.QGridLayout()
+        self.layout.addLayout(grid1)
+
+        # Toolchange X,Y
+        toolchange_xy_label = QtWidgets.QLabel('%s:' % _('Toolchange X-Y'))
+        toolchange_xy_label.setToolTip(
+            _("Toolchange X,Y position.")
+        )
+        grid1.addWidget(toolchange_xy_label, 1, 0)
+        self.toolchangexy_entry = FCEntry()
+        grid1.addWidget(self.toolchangexy_entry, 1, 1)
+
+        # Start move Z
+        startzlabel = QtWidgets.QLabel('%s:' % _('Start move Z'))
+        startzlabel.setToolTip(
+            _("Height of the tool just after starting the work.\n"
+              "Delete the value if you don't need this feature.")
+        )
+        grid1.addWidget(startzlabel, 2, 0)
+        self.gstartz_entry = FloatEntry()
+        grid1.addWidget(self.gstartz_entry, 2, 1)
+
+        # Feedrate rapids
+        fr_rapid_label = QtWidgets.QLabel('%s:' % _('Feed Rate Rapids'))
+        fr_rapid_label.setToolTip(
+            _("Cutting speed in the XY plane\n"
+              "(in units per minute).\n"
+              "This is for the rapid move G00.\n"
+              "It is useful only for Marlin,\n"
+              "ignore for any other cases.")
+        )
+        grid1.addWidget(fr_rapid_label, 4, 0)
+        self.cncfeedrate_rapid_entry = LengthEntry()
+        grid1.addWidget(self.cncfeedrate_rapid_entry, 4, 1)
+
+        # End move extra cut
+        self.extracut_cb = FCCheckBox(label='%s' % _('Re-cut 1st pt.'))
+        self.extracut_cb.setToolTip(
+            _("In order to remove possible\n"
+              "copper leftovers where first cut\n"
+              "meet with last cut, we generate an\n"
+              "extended cut over the first cut section.")
+        )
+        grid1.addWidget(self.extracut_cb, 5, 0)
+
+        # Probe depth
+        self.pdepth_label = QtWidgets.QLabel('%s:' % _("Probe Z depth"))
+        self.pdepth_label.setToolTip(
+            _("The maximum depth that the probe is allowed\n"
+              "to probe. Negative value, in current units.")
+        )
+        grid1.addWidget(self.pdepth_label, 6, 0)
+        self.pdepth_entry = FCEntry()
+        grid1.addWidget(self.pdepth_entry, 6, 1)
+
+        # Probe feedrate
+        self.feedrate_probe_label = QtWidgets.QLabel('%s:' % _("Feedrate Probe"))
+        self.feedrate_probe_label.setToolTip(
+            _("The feedrate used while the probe is probing.")
+        )
+        grid1.addWidget(self.feedrate_probe_label, 7, 0)
+        self.feedrate_probe_entry = FCEntry()
+        grid1.addWidget(self.feedrate_probe_entry, 7, 1)
+
+        # Spindle direction
+        spindle_dir_label = QtWidgets.QLabel('%s:' % _('Spindle dir.'))
+        spindle_dir_label.setToolTip(
+            _("This sets the direction that the spindle is rotating.\n"
+              "It can be either:\n"
+              "- CW = clockwise or\n"
+              "- CCW = counter clockwise")
+        )
+
+        self.spindledir_radio = RadioSet([{'label': _('CW'), 'value': 'CW'},
+                                          {'label': _('CCW'), 'value': 'CCW'}])
+        grid1.addWidget(spindle_dir_label, 8, 0)
+        grid1.addWidget(self.spindledir_radio, 8, 1)
+
+        # Fast Move from Z Toolchange
+        fplungelabel = QtWidgets.QLabel('%s:' % _('Fast Plunge'))
+        fplungelabel.setToolTip(
+            _("By checking this, the vertical move from\n"
+              "Z_Toolchange to Z_move is done with G0,\n"
+              "meaning the fastest speed available.\n"
+              "WARNING: the move is done at Toolchange X,Y coords.")
+        )
+        self.fplunge_cb = FCCheckBox()
+        grid1.addWidget(fplungelabel, 9, 0)
+        grid1.addWidget(self.fplunge_cb, 9, 1)
+
+        # Size of trace segment on X axis
+        segx_label = QtWidgets.QLabel('%s:' % _("Seg. X size"))
+        segx_label.setToolTip(
+            _("The size of the trace segment on the X axis.\n"
+              "Useful for auto-leveling.\n"
+              "A value of 0 means no segmentation on the X axis.")
+        )
+        grid1.addWidget(segx_label, 10, 0)
+        self.segx_entry = FCEntry()
+        grid1.addWidget(self.segx_entry, 10, 1)
+
+        # Size of trace segment on Y axis
+        segy_label = QtWidgets.QLabel('%s:' % _("Seg. Y size"))
+        segy_label.setToolTip(
+            _("The size of the trace segment on the Y axis.\n"
+              "Useful for auto-leveling.\n"
+              "A value of 0 means no segmentation on the Y axis.")
+        )
+        grid1.addWidget(segy_label, 11, 0)
+        self.segy_entry = FCEntry()
+        grid1.addWidget(self.segy_entry, 11, 1)
+
+        self.layout.addStretch()
+
+
+class GeometryEditorPrefGroupUI(OptionsGroupUI):
+    def __init__(self, parent=None):
+        # OptionsGroupUI.__init__(self, "Gerber Adv. Options Preferences", parent=parent)
+        super(GeometryEditorPrefGroupUI, self).__init__(self)
+
+        self.setTitle(str(_("Geometry Editor")))
+
+        # Advanced Geometry Parameters
+        self.param_label = QtWidgets.QLabel("<b>%s:</b>" % _("Parameters"))
+        self.param_label.setToolTip(
+            _("A list of Geometry Editor parameters.")
+        )
+        self.layout.addWidget(self.param_label)
+
+        grid0 = QtWidgets.QGridLayout()
+        self.layout.addLayout(grid0)
+
+        # Selection Limit
+        self.sel_limit_label = QtWidgets.QLabel('%s:' % _("Selection limit"))
+        self.sel_limit_label.setToolTip(
+            _("Set the number of selected geometry\n"
+              "items above which the utility geometry\n"
+              "becomes just a selection rectangle.\n"
+              "Increases the performance when moving a\n"
+              "large number of geometric elements.")
+        )
+        self.sel_limit_entry = IntEntry()
+
+        grid0.addWidget(self.sel_limit_label, 0, 0)
+        grid0.addWidget(self.sel_limit_entry, 0, 1)
+
+        self.layout.addStretch()
+
+
+class CNCJobGenPrefGroupUI(OptionsGroupUI):
+    def __init__(self, parent=None):
+        # OptionsGroupUI.__init__(self, "CNC Job General Preferences", parent=None)
+        super(CNCJobGenPrefGroupUI, self).__init__(self)
+
+        self.setTitle(str(_("CNC Job General")))
+
+        # ## Plot options
+        self.plot_options_label = QtWidgets.QLabel("<b>%s:</b>" % _("Plot Options"))
+        self.layout.addWidget(self.plot_options_label)
+
+        grid0 = QtWidgets.QGridLayout()
+        self.layout.addLayout(grid0)
+        # grid0.setColumnStretch(1, 1)
+        # grid0.setColumnStretch(2, 1)
+
+        # Plot CB
+        # self.plot_cb = QtWidgets.QCheckBox('Plot')
+        self.plot_cb = FCCheckBox(_('Plot Object'))
+        self.plot_cb.setToolTip(_("Plot (show) this object."))
+        grid0.addWidget(self.plot_cb, 0, 0)
+
+        # Plot Kind
+        self.cncplot_method_label = QtWidgets.QLabel('%s:' % _("Plot kind"))
+        self.cncplot_method_label.setToolTip(
+            _("This selects the kind of geometries on the canvas to plot.\n"
+              "Those can be either of type 'Travel' which means the moves\n"
+              "above the work piece or it can be of type 'Cut',\n"
+              "which means the moves that cut into the material.")
+        )
+
+        self.cncplot_method_radio = RadioSet([
+            {"label": _("All"), "value": "all"},
+            {"label": _("Travel"), "value": "travel"},
+            {"label": _("Cut"), "value": "cut"}
+        ], stretch=False)
+
+        grid0.addWidget(self.cncplot_method_label, 1, 0)
+        grid0.addWidget(self.cncplot_method_radio, 1, 1)
+        grid0.addWidget(QtWidgets.QLabel(''), 1, 2)
+
+        # Display Annotation
+        self.annotation_label = QtWidgets.QLabel('%s:' % _("Display Annotation"))
+        self.annotation_label.setToolTip(
+            _("This selects if to display text annotation on the plot.\n"
+              "When checked it will display numbers in order for each end\n"
+              "of a travel line."
+              )
+        )
+        self.annotation_cb = FCCheckBox()
+
+        grid0.addWidget(self.annotation_label, 2, 0)
+        grid0.addWidget(self.annotation_cb, 2, 1)
+        grid0.addWidget(QtWidgets.QLabel(''), 2, 2)
+
+        # ###################################################################
+        # Number of circle steps for circular aperture linear approximation #
+        # ###################################################################
+        self.steps_per_circle_label = QtWidgets.QLabel('%s:' % _("Circle Steps"))
+        self.steps_per_circle_label.setToolTip(
+            _("The number of circle steps for <b>GCode</b> \n"
+              "circle and arc shapes linear approximation.")
+        )
+        grid0.addWidget(self.steps_per_circle_label, 3, 0)
+        self.steps_per_circle_entry = IntEntry()
+        grid0.addWidget(self.steps_per_circle_entry, 3, 1)
+
+        # Tool dia for plot
+        tdlabel = QtWidgets.QLabel('%s:' % _('Travel dia'))
+        tdlabel.setToolTip(
+            _("The width of the travel lines to be\n"
+              "rendered in the plot.")
+        )
+        self.tooldia_entry = LengthEntry()
+        grid0.addWidget(tdlabel, 4, 0)
+        grid0.addWidget(self.tooldia_entry, 4, 1)
+
+        # add a space
+        grid0.addWidget(QtWidgets.QLabel(''), 5, 0)
+
+        # Number of decimals to use in GCODE coordinates
+        cdeclabel = QtWidgets.QLabel('%s:' % _('Coordinates decimals'))
+        cdeclabel.setToolTip(
+            _("The number of decimals to be used for \n"
+              "the X, Y, Z coordinates in CNC code (GCODE, etc.)")
+        )
+        self.coords_dec_entry = IntEntry()
+        grid0.addWidget(cdeclabel, 6, 0)
+        grid0.addWidget(self.coords_dec_entry, 6, 1)
+
+        # Number of decimals to use in GCODE feedrate
+        frdeclabel = QtWidgets.QLabel('%s:' % _('Feedrate decimals'))
+        frdeclabel.setToolTip(
+            _("The number of decimals to be used for \n"
+              "the Feedrate parameter in CNC code (GCODE, etc.)")
+        )
+        self.fr_dec_entry = IntEntry()
+        grid0.addWidget(frdeclabel, 7, 0)
+        grid0.addWidget(self.fr_dec_entry, 7, 1)
+
+        # The type of coordinates used in the Gcode: Absolute or Incremental
+        coords_type_label = QtWidgets.QLabel('%s:' % _('Coordinates type'))
+        coords_type_label.setToolTip(
+            _("The type of coordinates to be used in Gcode.\n"
+              "Can be:\n"
+              "- Absolute G90 -> the reference is the origin x=0, y=0\n"
+              "- Incremental G91 -> the reference is the previous position")
+        )
+        self.coords_type_radio = RadioSet([
+            {"label": _("Absolute G90"), "value": "G90"},
+            {"label": _("Incremental G91"), "value": "G91"}
+        ], orientation='vertical', stretch=False)
+        grid0.addWidget(coords_type_label, 8, 0)
+        grid0.addWidget(self.coords_type_radio, 8, 1)
+
+        # hidden for the time being, until implemented
+        coords_type_label.hide()
+        self.coords_type_radio.hide()
+
+        self.layout.addStretch()
+
+
+class CNCJobOptPrefGroupUI(OptionsGroupUI):
+    def __init__(self, parent=None):
+        # OptionsGroupUI.__init__(self, "CNC Job Options Preferences", parent=None)
+        super(CNCJobOptPrefGroupUI, self).__init__(self)
+
+        self.setTitle(str(_("CNC Job Options")))
+
+        # ## Export G-Code
+        self.export_gcode_label = QtWidgets.QLabel("<b>%s:</b>" % _("Export G-Code"))
+        self.export_gcode_label.setToolTip(
+            _("Export and save G-Code to\n"
+              "make this object to a file.")
+        )
+        self.layout.addWidget(self.export_gcode_label)
+
+        settings = QSettings("Open Source", "FlatCAM")
+        if settings.contains("textbox_font_size"):
+            tb_fsize = settings.value('textbox_font_size', type=int)
+        else:
+            tb_fsize = 10
+        font = QtGui.QFont()
+        font.setPointSize(tb_fsize)
+
+        # Prepend to G-Code
+        prependlabel = QtWidgets.QLabel('%s:' % _('Prepend to G-Code'))
+        prependlabel.setToolTip(
+            _("Type here any G-Code commands you would\n"
+              "like to add at the beginning of the G-Code file.")
+        )
+        self.layout.addWidget(prependlabel)
+
+        self.prepend_text = FCTextArea()
+        self.layout.addWidget(self.prepend_text)
+        self.prepend_text.setFont(font)
+
+        # Append text to G-Code
+        appendlabel = QtWidgets.QLabel('%s:' % _('Append to G-Code'))
+        appendlabel.setToolTip(
+            _("Type here any G-Code commands you would\n"
+              "like to append to the generated file.\n"
+              "I.e.: M2 (End of program)")
+        )
+        self.layout.addWidget(appendlabel)
+
+        self.append_text = FCTextArea()
+        self.layout.addWidget(self.append_text)
+        self.append_text.setFont(font)
+
+        self.layout.addStretch()
+
+
+class CNCJobAdvOptPrefGroupUI(OptionsGroupUI):
+    def __init__(self, parent=None):
+        # OptionsGroupUI.__init__(self, "CNC Job Advanced Options Preferences", parent=None)
+        super(CNCJobAdvOptPrefGroupUI, self).__init__(self)
+
+        self.setTitle(str(_("CNC Job Adv. Options")))
+
+        # ## Export G-Code
+        self.export_gcode_label = QtWidgets.QLabel("<b>%s:</b>" % _("Export CNC Code"))
+        self.export_gcode_label.setToolTip(
+            _("Export and save G-Code to\n"
+              "make this object to a file.")
+        )
+        self.layout.addWidget(self.export_gcode_label)
+
+        # Prepend to G-Code
+        toolchangelabel = QtWidgets.QLabel('%s:' % _('Toolchange G-Code'))
+        toolchangelabel.setToolTip(
+            _(
+                "Type here any G-Code commands you would\n"
+                "like to be executed when Toolchange event is encountered.\n"
+                "This will constitute a Custom Toolchange GCode,\n"
+                "or a Toolchange Macro.\n"
+                "The FlatCAM variables are surrounded by '%' symbol.\n\n"
+                "WARNING: it can be used only with a postprocessor file\n"
+                "that has 'toolchange_custom' in it's name and this is built\n"
+                "having as template the 'Toolchange Custom' posprocessor file."
+            )
+        )
+        self.layout.addWidget(toolchangelabel)
+
+        settings = QSettings("Open Source", "FlatCAM")
+        if settings.contains("textbox_font_size"):
+            tb_fsize = settings.value('textbox_font_size', type=int)
+        else:
+            tb_fsize = 10
+        font = QtGui.QFont()
+        font.setPointSize(tb_fsize)
+
+        self.toolchange_text = FCTextArea()
+        self.layout.addWidget(self.toolchange_text)
+        self.toolchange_text.setFont(font)
+
+        hlay = QtWidgets.QHBoxLayout()
+        self.layout.addLayout(hlay)
+
+        # Toolchange Replacement GCode
+        self.toolchange_cb = FCCheckBox(label='%s' % _('Use Toolchange Macro'))
+        self.toolchange_cb.setToolTip(
+            _("Check this box if you want to use\n"
+              "a Custom Toolchange GCode (macro).")
+        )
+        hlay.addWidget(self.toolchange_cb)
+        hlay.addStretch()
+
+        hlay1 = QtWidgets.QHBoxLayout()
+        self.layout.addLayout(hlay1)
+
+        # Variable list
+        self.tc_variable_combo = FCComboBox()
+        self.tc_variable_combo.setToolTip(
+            _("A list of the FlatCAM variables that can be used\n"
+              "in the Toolchange event.\n"
+              "They have to be surrounded by the '%' symbol")
+        )
+        hlay1.addWidget(self.tc_variable_combo)
+
+        # Populate the Combo Box
+        variables = [_('Parameters'), 'tool', 'tooldia', 't_drills', 'x_toolchange', 'y_toolchange', 'z_toolchange',
+                     'z_cut', 'z_move', 'z_depthpercut', 'spindlespeed', 'dwelltime']
+        self.tc_variable_combo.addItems(variables)
+        self.tc_variable_combo.setItemData(0, _("FlatCAM CNC parameters"), Qt.ToolTipRole)
+        self.tc_variable_combo.setItemData(1, _("tool = tool number"), Qt.ToolTipRole)
+        self.tc_variable_combo.setItemData(2, _("tooldia = tool diameter"), Qt.ToolTipRole)
+        self.tc_variable_combo.setItemData(3, _("t_drills = for Excellon, total number of drills"), Qt.ToolTipRole)
+        self.tc_variable_combo.setItemData(4, _("x_toolchange = X coord for Toolchange"), Qt.ToolTipRole)
+        self.tc_variable_combo.setItemData(5, _("y_toolchange = Y coord for Toolchange"), Qt.ToolTipRole)
+        self.tc_variable_combo.setItemData(6, _("z_toolchange = Z coord for Toolchange"), Qt.ToolTipRole)
+        self.tc_variable_combo.setItemData(7, _("z_cut = Z depth for the cut"), Qt.ToolTipRole)
+        self.tc_variable_combo.setItemData(8, _("z_move = Z height for travel"), Qt.ToolTipRole)
+        self.tc_variable_combo.setItemData(9, _("z_depthpercut = the step value for multidepth cut"), Qt.ToolTipRole)
+        self.tc_variable_combo.setItemData(10, _("spindlesspeed = the value for the spindle speed"), Qt.ToolTipRole)
+        self.tc_variable_combo.setItemData(11,
+                                           _("dwelltime = time to dwell to allow the spindle to reach it's set RPM"),
+                                           Qt.ToolTipRole)
+
+        hlay1.addStretch()
+
+        # Insert Variable into the Toolchange G-Code Text Box
+        # self.tc_insert_buton = FCButton("Insert")
+        # self.tc_insert_buton.setToolTip(
+        #     "Insert the variable in the GCode Box\n"
+        #     "surrounded by the '%' symbol."
+        # )
+        # hlay1.addWidget(self.tc_insert_buton)
+
+        grid0 = QtWidgets.QGridLayout()
+        self.layout.addLayout(grid0)
+
+        grid0.addWidget(QtWidgets.QLabel(''), 1, 0, 1, 2)
+
+        # Annotation Font Size
+        self.annotation_fontsize_label = QtWidgets.QLabel('%s:' % _("Annotation Size"))
+        self.annotation_fontsize_label.setToolTip(
+            _("The font size of the annotation text. In pixels.")
+        )
+        grid0.addWidget(self.annotation_fontsize_label, 2, 0)
+        self.annotation_fontsize_sp = FCSpinner()
+        grid0.addWidget(self.annotation_fontsize_sp, 2, 1)
+        grid0.addWidget(QtWidgets.QLabel(''), 2, 2)
+
+        # Annotation Font Color
+        self.annotation_color_label = QtWidgets.QLabel('%s:' % _('Annotation Color'))
+        self.annotation_color_label.setToolTip(
+            _("Set the font color for the annotation texts.")
+        )
+        self.annotation_fontcolor_entry = FCEntry()
+        self.annotation_fontcolor_button = QtWidgets.QPushButton()
+        self.annotation_fontcolor_button.setFixedSize(15, 15)
+
+        self.form_box_child = QtWidgets.QHBoxLayout()
+        self.form_box_child.setContentsMargins(0, 0, 0, 0)
+        self.form_box_child.addWidget(self.annotation_fontcolor_entry)
+        self.form_box_child.addWidget(self.annotation_fontcolor_button, alignment=Qt.AlignRight)
+        self.form_box_child.setAlignment(QtCore.Qt.AlignLeft | QtCore.Qt.AlignVCenter)
+
+        color_widget = QtWidgets.QWidget()
+        color_widget.setLayout(self.form_box_child)
+        grid0.addWidget(self.annotation_color_label, 3, 0)
+        grid0.addWidget(color_widget, 3, 1)
+        grid0.addWidget(QtWidgets.QLabel(''), 3, 2)
+
+        self.layout.addStretch()
+
+
+class ToolsNCCPrefGroupUI(OptionsGroupUI):
+    def __init__(self, parent=None):
+        # OptionsGroupUI.__init__(self, "NCC Tool Options", parent=parent)
+        super(ToolsNCCPrefGroupUI, self).__init__(self)
+
+        self.setTitle(str(_("NCC Tool Options")))
+
+        # ## Clear non-copper regions
+        self.clearcopper_label = QtWidgets.QLabel("<b>%s:</b>" % _("Parameters"))
+        self.clearcopper_label.setToolTip(
+            _("Create a Geometry object with\n"
+              "toolpaths to cut all non-copper regions.")
+        )
+        self.layout.addWidget(self.clearcopper_label)
+
+        grid0 = QtWidgets.QGridLayout()
+        self.layout.addLayout(grid0)
+
+        ncctdlabel = QtWidgets.QLabel('%s:' % _('Tools dia'))
+        ncctdlabel.setToolTip(
+            _("Diameters of the cutting tools, separated by ','")
+        )
+        grid0.addWidget(ncctdlabel, 0, 0)
+        self.ncc_tool_dia_entry = FCEntry()
+        grid0.addWidget(self.ncc_tool_dia_entry, 0, 1)
+
+        # Tool Type Radio Button
+        self.tool_type_label = QtWidgets.QLabel('%s:' % _('Tool Type'))
+        self.tool_type_label.setToolTip(
+            _("Default tool type:\n"
+              "- 'V-shape'\n"
+              "- Circular")
+        )
+
+        self.tool_type_radio = RadioSet([{'label': _('V-shape'), 'value': 'V'},
+                                         {'label': _('Circular'), 'value': 'C1'}])
+        self.tool_type_radio.setToolTip(
+            _("Default tool type:\n"
+              "- 'V-shape'\n"
+              "- Circular")
+        )
+
+        grid0.addWidget(self.tool_type_label, 1, 0)
+        grid0.addWidget(self.tool_type_radio, 1, 1)
+
+        # Tip Dia
+        self.tipdialabel = QtWidgets.QLabel('%s:' % _('V-Tip Dia'))
+        self.tipdialabel.setToolTip(
+            _("The tip diameter for V-Shape Tool"))
+        self.tipdia_entry = LengthEntry()
+
+        grid0.addWidget(self.tipdialabel, 2, 0)
+        grid0.addWidget(self.tipdia_entry, 2, 1)
+
+        # Tip Angle
+        self.tipanglelabel = QtWidgets.QLabel('%s:' % _('V-Tip Angle'))
+        self.tipanglelabel.setToolTip(
+            _("The tip angle for V-Shape Tool.\n"
+              "In degree."))
+        self.tipangle_entry = LengthEntry()
+
+        grid0.addWidget(self.tipanglelabel, 3, 0)
+        grid0.addWidget(self.tipangle_entry, 3, 1)
+
+        # Milling Type Radio Button
+        self.milling_type_label = QtWidgets.QLabel('%s:' % _('Milling Type'))
+        self.milling_type_label.setToolTip(
+            _("Milling type when the selected tool is of type: 'iso_op':\n"
+              "- climb / best for precision milling and to reduce tool usage\n"
+              "- conventional / useful when there is no backlash compensation")
+        )
+
+        self.milling_type_radio = RadioSet([{'label': _('Climb'), 'value': 'cl'},
+                                            {'label': _('Conv.'), 'value': 'cv'}])
+        self.milling_type_radio.setToolTip(
+            _("Milling type when the selected tool is of type: 'iso_op':\n"
+              "- climb / best for precision milling and to reduce tool usage\n"
+              "- conventional / useful when there is no backlash compensation")
+        )
+
+        grid0.addWidget(self.milling_type_label, 4, 0)
+        grid0.addWidget(self.milling_type_radio, 4, 1)
+
+        # Tool order Radio Button
+        self.ncc_order_label = QtWidgets.QLabel('%s:' % _('Tool order'))
+        self.ncc_order_label.setToolTip(_("This set the way that the tools in the tools table are used.\n"
+                                          "'No' --> means that the used order is the one in the tool table\n"
+                                          "'Forward' --> means that the tools will be ordered from small to big\n"
+                                          "'Reverse' --> menas that the tools will ordered from big to small\n\n"
+                                          "WARNING: using rest machining will automatically set the order\n"
+                                          "in reverse and disable this control."))
+
+        self.ncc_order_radio = RadioSet([{'label': _('No'), 'value': 'no'},
+                                         {'label': _('Forward'), 'value': 'fwd'},
+                                         {'label': _('Reverse'), 'value': 'rev'}])
+        self.ncc_order_radio.setToolTip(_("This set the way that the tools in the tools table are used.\n"
+                                          "'No' --> means that the used order is the one in the tool table\n"
+                                          "'Forward' --> means that the tools will be ordered from small to big\n"
+                                          "'Reverse' --> menas that the tools will ordered from big to small\n\n"
+                                          "WARNING: using rest machining will automatically set the order\n"
+                                          "in reverse and disable this control."))
+        grid0.addWidget(self.ncc_order_label, 5, 0)
+        grid0.addWidget(self.ncc_order_radio, 5, 1)
+
+        # Cut Z entry
+        cutzlabel = QtWidgets.QLabel('%s:' % _('Cut Z'))
+        cutzlabel.setToolTip(
+           _("Depth of cut into material. Negative value.\n"
+             "In FlatCAM units.")
+        )
+        self.cutz_entry = FloatEntry()
+        self.cutz_entry.setToolTip(
+           _("Depth of cut into material. Negative value.\n"
+             "In FlatCAM units.")
+        )
+
+        grid0.addWidget(cutzlabel, 6, 0)
+        grid0.addWidget(self.cutz_entry, 6, 1)
+
+        # Overlap Entry
+        nccoverlabel = QtWidgets.QLabel('%s:' % _('Overlap Rate'))
+        nccoverlabel.setToolTip(
+           _("How much (fraction) of the tool width to overlap each tool pass.\n"
+             "Example:\n"
+             "A value here of 0.25 means 25%% from the tool diameter found above.\n\n"
+             "Adjust the value starting with lower values\n"
+             "and increasing it if areas that should be cleared are still \n"
+             "not cleared.\n"
+             "Lower values = faster processing, faster execution on PCB.\n"
+             "Higher values = slow processing and slow execution on CNC\n"
+             "due of too many paths.")
+        )
+        self.ncc_overlap_entry = FCDoubleSpinner()
+        self.ncc_overlap_entry.set_precision(3)
+        self.ncc_overlap_entry.setWrapping(True)
+        self.ncc_overlap_entry.setRange(0.000, 0.999)
+        self.ncc_overlap_entry.setSingleStep(0.1)
+        grid0.addWidget(nccoverlabel, 7, 0)
+        grid0.addWidget(self.ncc_overlap_entry, 7, 1)
+
+        # Margin entry
+        nccmarginlabel = QtWidgets.QLabel('%s:' % _('Margin'))
+        nccmarginlabel.setToolTip(
+            _("Bounding box margin.")
+        )
+        grid0.addWidget(nccmarginlabel, 8, 0)
+        self.ncc_margin_entry = FloatEntry()
+        grid0.addWidget(self.ncc_margin_entry, 8, 1)
+
+        # Method
+        methodlabel = QtWidgets.QLabel('%s:' % _('Method'))
+        methodlabel.setToolTip(
+            _("Algorithm for non-copper clearing:<BR>"
+              "<B>Standard</B>: Fixed step inwards.<BR>"
+              "<B>Seed-based</B>: Outwards from seed.<BR>"
+              "<B>Line-based</B>: Parallel lines.")
+        )
+        grid0.addWidget(methodlabel, 9, 0)
+        self.ncc_method_radio = RadioSet([
+            {"label": _("Standard"), "value": "standard"},
+            {"label": _("Seed-based"), "value": "seed"},
+            {"label": _("Straight lines"), "value": "lines"}
+        ], orientation='vertical', stretch=False)
+        grid0.addWidget(self.ncc_method_radio, 9, 1)
+
+        # Connect lines
+        pathconnectlabel = QtWidgets.QLabel('%s:' % _("Connect"))
+        pathconnectlabel.setToolTip(
+            _("Draw lines between resulting\n"
+              "segments to minimize tool lifts.")
+        )
+        grid0.addWidget(pathconnectlabel, 10, 0)
+        self.ncc_connect_cb = FCCheckBox()
+        grid0.addWidget(self.ncc_connect_cb, 10, 1)
+
+        # Contour Checkbox
+        contourlabel = QtWidgets.QLabel('%s:' % _("Contour"))
+        contourlabel.setToolTip(
+           _("Cut around the perimeter of the polygon\n"
+             "to trim rough edges.")
+        )
+        grid0.addWidget(contourlabel, 11, 0)
+        self.ncc_contour_cb = FCCheckBox()
+        grid0.addWidget(self.ncc_contour_cb, 11, 1)
+
+        # Rest machining CheckBox
+        restlabel = QtWidgets.QLabel('%s:' % _("Rest M."))
+        restlabel.setToolTip(
+            _("If checked, use 'rest machining'.\n"
+              "Basically it will clear copper outside PCB features,\n"
+              "using the biggest tool and continue with the next tools,\n"
+              "from bigger to smaller, to clear areas of copper that\n"
+              "could not be cleared by previous tool, until there is\n"
+              "no more copper to clear or there are no more tools.\n"
+              "If not checked, use the standard algorithm.")
+        )
+        grid0.addWidget(restlabel, 12, 0)
+        self.ncc_rest_cb = FCCheckBox()
+        grid0.addWidget(self.ncc_rest_cb, 12, 1)
+
+        # ## NCC Offset choice
+        self.ncc_offset_choice_label = QtWidgets.QLabel('%s:' % _("Offset"))
+        self.ncc_offset_choice_label.setToolTip(
+            _("If used, it will add an offset to the copper features.\n"
+              "The copper clearing will finish to a distance\n"
+              "from the copper features.\n"
+              "The value can be between 0 and 10 FlatCAM units.")
+        )
+        grid0.addWidget(self.ncc_offset_choice_label, 13, 0)
+        self.ncc_choice_offset_cb = FCCheckBox()
+        grid0.addWidget(self.ncc_choice_offset_cb, 13, 1)
+
+        # ## NCC Offset value
+        self.ncc_offset_label = QtWidgets.QLabel('%s:' % _("Offset value"))
+        self.ncc_offset_label.setToolTip(
+            _("If used, it will add an offset to the copper features.\n"
+              "The copper clearing will finish to a distance\n"
+              "from the copper features.\n"
+              "The value can be between 0 and 10 FlatCAM units.")
+        )
+        grid0.addWidget(self.ncc_offset_label, 14, 0)
+        self.ncc_offset_spinner = FCDoubleSpinner()
+        self.ncc_offset_spinner.set_range(0.00, 10.00)
+        self.ncc_offset_spinner.set_precision(4)
+        self.ncc_offset_spinner.setWrapping(True)
+        self.ncc_offset_spinner.setSingleStep(0.1)
+
+        grid0.addWidget(self.ncc_offset_spinner, 14, 1)
+
+        # ## Reference
+        self.reference_radio = RadioSet([{'label': _('Itself'), 'value': 'itself'},
+                                         {"label": _("Area"), "value": "area"},
+                                         {'label': _('Ref'), 'value': 'box'}])
+        reference_label = QtWidgets.QLabel('%s:' % _("Reference"))
+        reference_label.setToolTip(
+            _("- 'Itself' -  the non copper clearing extent\n"
+              "is based on the object that is copper cleared.\n "
+              "- 'Area Selection' - left mouse click to start selection of the area to be painted.\n"
+              "Keeping a modifier key pressed (CTRL or SHIFT) will allow to add multiple areas.\n"
+              "- 'Reference Object' -  will do non copper clearing within the area\n"
+              "specified by another object.")
+        )
+        grid0.addWidget(reference_label, 15, 0)
+        grid0.addWidget(self.reference_radio, 15, 1)
+
+        # ## Plotting type
+        self.ncc_plotting_radio = RadioSet([{'label': _('Normal'), 'value': 'normal'},
+                                            {"label": _("Progressive"), "value": "progressive"}])
+        plotting_label = QtWidgets.QLabel('%s:' % _("NCC Plotting"))
+        plotting_label.setToolTip(
+            _("- 'Normal' -  normal plotting, done at the end of the NCC job\n"
+              "- 'Progressive' - after each shape is generated it will be plotted.")
+        )
+        grid0.addWidget(plotting_label, 16, 0)
+        grid0.addWidget(self.ncc_plotting_radio, 16, 1)
+
+        self.layout.addStretch()
+
+
+class ToolsCutoutPrefGroupUI(OptionsGroupUI):
+    def __init__(self, parent=None):
+        # OptionsGroupUI.__init__(self, "Cutout Tool Options", parent=parent)
+        super(ToolsCutoutPrefGroupUI, self).__init__(self)
+
+        self.setTitle(str(_("Cutout Tool Options")))
+
+        # ## Board cuttout
+        self.board_cutout_label = QtWidgets.QLabel("<b>%s:</b>" % _("Parameters"))
+        self.board_cutout_label.setToolTip(
+            _("Create toolpaths to cut around\n"
+              "the PCB and separate it from\n"
+              "the original board.")
+        )
+        self.layout.addWidget(self.board_cutout_label)
+
+        grid0 = QtWidgets.QGridLayout()
+        self.layout.addLayout(grid0)
+
+        tdclabel = QtWidgets.QLabel('%s:' % _('Tool dia'))
+        tdclabel.setToolTip(
+            _("Diameter of the tool used to cutout\n"
+              "the PCB shape out of the surrounding material.")
+        )
+        grid0.addWidget(tdclabel, 0, 0)
+        self.cutout_tooldia_entry = LengthEntry()
+        grid0.addWidget(self.cutout_tooldia_entry, 0, 1)
+
+        # Object kind
+        kindlabel = QtWidgets.QLabel('%s:' % _('Obj kind'))
+        kindlabel.setToolTip(
+            _("Choice of what kind the object we want to cutout is.<BR>"
+              "- <B>Single</B>: contain a single PCB Gerber outline object.<BR>"
+              "- <B>Panel</B>: a panel PCB Gerber object, which is made\n"
+              "out of many individual PCB outlines.")
+        )
+        grid0.addWidget(kindlabel, 1, 0)
+        self.obj_kind_combo = RadioSet([
+            {"label": _("Single"), "value": "single"},
+            {"label": _("Panel"), "value": "panel"},
+        ])
+        grid0.addWidget(self.obj_kind_combo, 1, 1)
+
+        marginlabel = QtWidgets.QLabel('%s:' % _('Margin'))
+        marginlabel.setToolTip(
+            _("Margin over bounds. A positive value here\n"
+              "will make the cutout of the PCB further from\n"
+              "the actual PCB border")
+        )
+        grid0.addWidget(marginlabel, 2, 0)
+        self.cutout_margin_entry = LengthEntry()
+        grid0.addWidget(self.cutout_margin_entry, 2, 1)
+
+        gaplabel = QtWidgets.QLabel('%s:' % _('Gap size'))
+        gaplabel.setToolTip(
+            _("The size of the bridge gaps in the cutout\n"
+              "used to keep the board connected to\n"
+              "the surrounding material (the one \n"
+              "from which the PCB is cutout).")
+        )
+        grid0.addWidget(gaplabel, 3, 0)
+        self.cutout_gap_entry = LengthEntry()
+        grid0.addWidget(self.cutout_gap_entry, 3, 1)
+
+        gaps_label = QtWidgets.QLabel('%s:' % _('Gaps'))
+        gaps_label.setToolTip(
+            _("Number of gaps used for the cutout.\n"
+              "There can be maximum 8 bridges/gaps.\n"
+              "The choices are:\n"
+              "- None  - no gaps\n"
+              "- lr    - left + right\n"
+              "- tb    - top + bottom\n"
+              "- 4     - left + right +top + bottom\n"
+              "- 2lr   - 2*left + 2*right\n"
+              "- 2tb  - 2*top + 2*bottom\n"
+              "- 8     - 2*left + 2*right +2*top + 2*bottom")
+        )
+        grid0.addWidget(gaps_label, 4, 0)
+        self.gaps_combo = FCComboBox()
+        grid0.addWidget(self.gaps_combo, 4, 1)
+
+        gaps_items = ['None', 'LR', 'TB', '4', '2LR', '2TB', '8']
+        for it in gaps_items:
+            self.gaps_combo.addItem(it)
+            self.gaps_combo.setStyleSheet('background-color: rgb(255,255,255)')
+
+        # Surrounding convex box shape
+        self.convex_box = FCCheckBox()
+        self.convex_box_label = QtWidgets.QLabel('%s:' % _("Convex Sh."))
+        self.convex_box_label.setToolTip(
+            _("Create a convex shape surrounding the entire PCB.\n"
+              "Used only if the source object type is Gerber.")
+        )
+        grid0.addWidget(self.convex_box_label, 5, 0)
+        grid0.addWidget(self.convex_box, 5, 1)
+
+        self.layout.addStretch()
+
+
+class Tools2sidedPrefGroupUI(OptionsGroupUI):
+    def __init__(self, parent=None):
+        # OptionsGroupUI.__init__(self, "2sided Tool Options", parent=parent)
+        super(Tools2sidedPrefGroupUI, self).__init__(self)
+
+        self.setTitle(str(_("2Sided Tool Options")))
+
+        # ## Board cuttout
+        self.dblsided_label = QtWidgets.QLabel("<b>%s:</b>" % _("Parameters"))
+        self.dblsided_label.setToolTip(
+            _("A tool to help in creating a double sided\n"
+              "PCB using alignment holes.")
+        )
+        self.layout.addWidget(self.dblsided_label)
+
+        grid0 = QtWidgets.QGridLayout()
+        self.layout.addLayout(grid0)
+
+        # ## Drill diameter for alignment holes
+        self.drill_dia_entry = LengthEntry()
+        self.dd_label = QtWidgets.QLabel('%s:' % _("Drill dia"))
+        self.dd_label.setToolTip(
+            _("Diameter of the drill for the "
+              "alignment holes.")
+        )
+        grid0.addWidget(self.dd_label, 0, 0)
+        grid0.addWidget(self.drill_dia_entry, 0, 1)
+
+        # ## Axis
+        self.mirror_axis_radio = RadioSet([{'label': 'X', 'value': 'X'},
+                                           {'label': 'Y', 'value': 'Y'}])
+        self.mirax_label = QtWidgets.QLabel(_("Mirror Axis:"))
+        self.mirax_label.setToolTip(
+            _("Mirror vertically (X) or horizontally (Y).")
+        )
+        # grid_lay.addRow("Mirror Axis:", self.mirror_axis)
+        self.empty_lb1 = QtWidgets.QLabel("")
+        grid0.addWidget(self.empty_lb1, 1, 0)
+        grid0.addWidget(self.mirax_label, 2, 0)
+        grid0.addWidget(self.mirror_axis_radio, 2, 1)
+
+        # ## Axis Location
+        self.axis_location_radio = RadioSet([{'label': _('Point'), 'value': 'point'},
+                                             {'label': _('Box'), 'value': 'box'}])
+        self.axloc_label = QtWidgets.QLabel('%s:' % _("Axis Ref"))
+        self.axloc_label.setToolTip(
+            _("The axis should pass through a <b>point</b> or cut\n "
+              "a specified <b>box</b> (in a FlatCAM object) through \n"
+              "the center.")
+        )
+        # grid_lay.addRow("Axis Location:", self.axis_location)
+        grid0.addWidget(self.axloc_label, 3, 0)
+        grid0.addWidget(self.axis_location_radio, 3, 1)
+
+        self.layout.addStretch()
+
+
+class ToolsPaintPrefGroupUI(OptionsGroupUI):
+    def __init__(self, parent=None):
+        # OptionsGroupUI.__init__(self, "Paint Area Tool Options", parent=parent)
+        super(ToolsPaintPrefGroupUI, self).__init__(self)
+
+        self.setTitle(str(_("Paint Tool Options")))
+
+        # ------------------------------
+        # ## Paint area
+        # ------------------------------
+        self.paint_label = QtWidgets.QLabel(_('<b>Parameters:</b>'))
+        self.paint_label.setToolTip(
+            _("Creates tool paths to cover the\n"
+              "whole area of a polygon (remove\n"
+              "all copper). You will be asked\n"
+              "to click on the desired polygon.")
+        )
+        self.layout.addWidget(self.paint_label)
+
+        grid0 = QtWidgets.QGridLayout()
+        self.layout.addLayout(grid0)
+
+        # Tool dia
+        ptdlabel = QtWidgets.QLabel('%s:' % _('Tool dia'))
+        ptdlabel.setToolTip(
+            _("Diameter of the tool to\n"
+              "be used in the operation.")
+        )
+        grid0.addWidget(ptdlabel, 0, 0)
+
+        self.painttooldia_entry = LengthEntry()
+        grid0.addWidget(self.painttooldia_entry, 0, 1)
+
+        self.paint_order_label = QtWidgets.QLabel('<b>%s:</b>' % _('Tool order'))
+        self.paint_order_label.setToolTip(_("This set the way that the tools in the tools table are used.\n"
+                                            "'No' --> means that the used order is the one in the tool table\n"
+                                            "'Forward' --> means that the tools will be ordered from small to big\n"
+                                            "'Reverse' --> menas that the tools will ordered from big to small\n\n"
+                                            "WARNING: using rest machining will automatically set the order\n"
+                                            "in reverse and disable this control."))
+
+        self.paint_order_radio = RadioSet([{'label': _('No'), 'value': 'no'},
+                                           {'label': _('Forward'), 'value': 'fwd'},
+                                           {'label': _('Reverse'), 'value': 'rev'}])
+        self.paint_order_radio.setToolTip(_("This set the way that the tools in the tools table are used.\n"
+                                            "'No' --> means that the used order is the one in the tool table\n"
+                                            "'Forward' --> means that the tools will be ordered from small to big\n"
+                                            "'Reverse' --> menas that the tools will ordered from big to small\n\n"
+                                            "WARNING: using rest machining will automatically set the order\n"
+                                            "in reverse and disable this control."))
+        grid0.addWidget(self.paint_order_label, 1, 0)
+        grid0.addWidget(self.paint_order_radio, 1, 1)
+
+        # Overlap
+        ovlabel = QtWidgets.QLabel('%s:' % _('Overlap Rate'))
+        ovlabel.setToolTip(
+            _("How much (fraction) of the tool width to overlap each tool pass.\n"
+              "Example:\n"
+              "A value here of 0.25 means 25%% from the tool diameter found above.\n\n"
+              "Adjust the value starting with lower values\n"
+              "and increasing it if areas that should be painted are still \n"
+              "not painted.\n"
+              "Lower values = faster processing, faster execution on PCB.\n"
+              "Higher values = slow processing and slow execution on CNC\n"
+              "due of too many paths.")
+        )
+        self.paintoverlap_entry = FCDoubleSpinner()
+        self.paintoverlap_entry.set_precision(3)
+        self.paintoverlap_entry.setWrapping(True)
+        self.paintoverlap_entry.setRange(0.000, 0.999)
+        self.paintoverlap_entry.setSingleStep(0.1)
+        grid0.addWidget(ovlabel, 2, 0)
+        grid0.addWidget(self.paintoverlap_entry, 2, 1)
+
+        # Margin
+        marginlabel = QtWidgets.QLabel('%s:' % _('Margin'))
+        marginlabel.setToolTip(
+            _("Distance by which to avoid\n"
+              "the edges of the polygon to\n"
+              "be painted.")
+        )
+        grid0.addWidget(marginlabel, 3, 0)
+        self.paintmargin_entry = LengthEntry()
+        grid0.addWidget(self.paintmargin_entry, 3, 1)
+
+        # Method
+        methodlabel = QtWidgets.QLabel('%s:' % _('Method'))
+        methodlabel.setToolTip(
+            _("Algorithm for non-copper clearing:<BR>"
+              "<B>Standard</B>: Fixed step inwards.<BR>"
+              "<B>Seed-based</B>: Outwards from seed.<BR>"
+              "<B>Line-based</B>: Parallel lines.")
+        )
+        grid0.addWidget(methodlabel, 4, 0)
+        self.paintmethod_combo = RadioSet([
+            {"label": _("Standard"), "value": "standard"},
+            {"label": _("Seed-based"), "value": "seed"},
+            {"label": _("Straight lines"), "value": "lines"}
+        ], orientation='vertical', stretch=False)
+        grid0.addWidget(self.paintmethod_combo, 4, 1)
+
+        # Connect lines
+        pathconnectlabel = QtWidgets.QLabel('%s:' % _("Connect"))
+        pathconnectlabel.setToolTip(
+            _("Draw lines between resulting\n"
+              "segments to minimize tool lifts.")
+        )
+        grid0.addWidget(pathconnectlabel, 5, 0)
+        self.pathconnect_cb = FCCheckBox()
+        grid0.addWidget(self.pathconnect_cb, 5, 1)
+
+        # Paint contour
+        contourlabel = QtWidgets.QLabel('%s:' % _("Contour"))
+        contourlabel.setToolTip(
+            _("Cut around the perimeter of the polygon\n"
+              "to trim rough edges.")
+        )
+        grid0.addWidget(contourlabel, 6, 0)
+        self.contour_cb = FCCheckBox()
+        grid0.addWidget(self.contour_cb, 6, 1)
+
+        # Polygon selection
+        selectlabel = QtWidgets.QLabel('%s:' % _('Selection'))
+        selectlabel.setToolTip(
+            _("How to select Polygons to be painted.\n\n"
+              "- 'Area Selection' - left mouse click to start selection of the area to be painted.\n"
+              "Keeping a modifier key pressed (CTRL or SHIFT) will allow to add multiple areas.\n"
+              "- 'All Polygons' - the Paint will start after click.\n"
+              "- 'Reference Object' -  will do non copper clearing within the area\n"
+              "specified by another object.")
+        )
+        self.selectmethod_combo = RadioSet([
+            {"label": _("Single"), "value": "single"},
+            {"label": _("Area"), "value": "area"},
+            {"label": _("All"), "value": "all"},
+            {"label": _("Ref."), "value": "ref"}
+        ])
+        grid0.addWidget(selectlabel, 7, 0)
+        grid0.addWidget(self.selectmethod_combo, 7, 1)
+
+        # ## Plotting type
+        self.paint_plotting_radio = RadioSet([{'label': _('Normal'), 'value': 'normal'},
+                                              {"label": _("Progressive"), "value": "progressive"}])
+        plotting_label = QtWidgets.QLabel('%s:' % _("Paint Plotting"))
+        plotting_label.setToolTip(
+            _("- 'Normal' -  normal plotting, done at the end of the Paint job\n"
+              "- 'Progressive' - after each shape is generated it will be plotted.")
+        )
+        grid0.addWidget(plotting_label, 8, 0)
+        grid0.addWidget(self.paint_plotting_radio, 8, 1)
+
+        self.layout.addStretch()
+
+
+class ToolsFilmPrefGroupUI(OptionsGroupUI):
+    def __init__(self, parent=None):
+        # OptionsGroupUI.__init__(self, "Cutout Tool Options", parent=parent)
+        super(ToolsFilmPrefGroupUI, self).__init__(self)
+
+        self.setTitle(str(_("Film Tool Options")))
+
+        # ## Board cuttout
+        self.film_label = QtWidgets.QLabel("<b>%s:</b>" % _("Parameters"))
+        self.film_label.setToolTip(
+            _("Create a PCB film from a Gerber or Geometry\n"
+              "FlatCAM object.\n"
+              "The file is saved in SVG format.")
+        )
+        self.layout.addWidget(self.film_label)
+
+        grid0 = QtWidgets.QGridLayout()
+        self.layout.addLayout(grid0)
+
+        self.film_type_radio = RadioSet([{'label': 'Pos', 'value': 'pos'},
+                                         {'label': 'Neg', 'value': 'neg'}])
+        ftypelbl = QtWidgets.QLabel('%s:' % _('Film Type'))
+        ftypelbl.setToolTip(
+            _("Generate a Positive black film or a Negative film.\n"
+              "Positive means that it will print the features\n"
+              "with black on a white canvas.\n"
+              "Negative means that it will print the features\n"
+              "with white on a black canvas.\n"
+              "The Film format is SVG.")
+        )
+        grid0.addWidget(ftypelbl, 0, 0)
+        grid0.addWidget(self.film_type_radio, 0, 1)
+
+        # Film Color
+        self.film_color_label = QtWidgets.QLabel('%s:' % _('Film Color'))
+        self.film_color_label.setToolTip(
+            _("Set the film color when positive film is selected.")
+        )
+        self.film_color_entry = FCEntry()
+        self.film_color_button = QtWidgets.QPushButton()
+        self.film_color_button.setFixedSize(15, 15)
+
+        self.form_box_child = QtWidgets.QHBoxLayout()
+        self.form_box_child.setContentsMargins(0, 0, 0, 0)
+        self.form_box_child.addWidget(self.film_color_entry)
+        self.form_box_child.addWidget(self.film_color_button, alignment=Qt.AlignRight)
+        self.form_box_child.setAlignment(QtCore.Qt.AlignLeft | QtCore.Qt.AlignVCenter)
+
+        film_color_widget = QtWidgets.QWidget()
+        film_color_widget.setLayout(self.form_box_child)
+        grid0.addWidget(self.film_color_label, 1, 0)
+        grid0.addWidget(film_color_widget, 1, 1)
+
+        self.film_boundary_entry = FCEntry()
+        self.film_boundary_label = QtWidgets.QLabel('%s:' % _("Border"))
+        self.film_boundary_label.setToolTip(
+            _("Specify a border around the object.\n"
+              "Only for negative film.\n"
+              "It helps if we use as a Box Object the same \n"
+              "object as in Film Object. It will create a thick\n"
+              "black bar around the actual print allowing for a\n"
+              "better delimitation of the outline features which are of\n"
+              "white color like the rest and which may confound with the\n"
+              "surroundings if not for this border.")
+        )
+        grid0.addWidget(self.film_boundary_label, 2, 0)
+        grid0.addWidget(self.film_boundary_entry, 2, 1)
+
+        self.film_scale_entry = FCEntry()
+        self.film_scale_label = QtWidgets.QLabel('%s:' % _("Scale Stroke"))
+        self.film_scale_label.setToolTip(
+            _("Scale the line stroke thickness of each feature in the SVG file.\n"
+              "It means that the line that envelope each SVG feature will be thicker or thinner,\n"
+              "therefore the fine features may be more affected by this parameter.")
+        )
+        grid0.addWidget(self.film_scale_label, 3, 0)
+        grid0.addWidget(self.film_scale_entry, 3, 1)
+
+        self.layout.addStretch()
+
+
+class ToolsPanelizePrefGroupUI(OptionsGroupUI):
+    def __init__(self, parent=None):
+        # OptionsGroupUI.__init__(self, "Cutout Tool Options", parent=parent)
+        super(ToolsPanelizePrefGroupUI, self).__init__(self)
+
+        self.setTitle(str(_("Panelize Tool Options")))
+
+        # ## Board cuttout
+        self.panelize_label = QtWidgets.QLabel("<b>%s:</b>" % _("Parameters"))
+        self.panelize_label.setToolTip(
+            _("Create an object that contains an array of (x, y) elements,\n"
+              "each element is a copy of the source object spaced\n"
+              "at a X distance, Y distance of each other.")
+        )
+        self.layout.addWidget(self.panelize_label)
+
+        grid0 = QtWidgets.QGridLayout()
+        self.layout.addLayout(grid0)
+
+        # ## Spacing Columns
+        self.pspacing_columns = FCEntry()
+        self.spacing_columns_label = QtWidgets.QLabel('%s:' % _("Spacing cols"))
+        self.spacing_columns_label.setToolTip(
+            _("Spacing between columns of the desired panel.\n"
+              "In current units.")
+        )
+        grid0.addWidget(self.spacing_columns_label, 0, 0)
+        grid0.addWidget(self.pspacing_columns, 0, 1)
+
+        # ## Spacing Rows
+        self.pspacing_rows = FCEntry()
+        self.spacing_rows_label = QtWidgets.QLabel('%s:' % _("Spacing rows"))
+        self.spacing_rows_label.setToolTip(
+            _("Spacing between rows of the desired panel.\n"
+              "In current units.")
+        )
+        grid0.addWidget(self.spacing_rows_label, 1, 0)
+        grid0.addWidget(self.pspacing_rows, 1, 1)
+
+        # ## Columns
+        self.pcolumns = FCEntry()
+        self.columns_label = QtWidgets.QLabel('%s:' % _("Columns"))
+        self.columns_label.setToolTip(
+            _("Number of columns of the desired panel")
+        )
+        grid0.addWidget(self.columns_label, 2, 0)
+        grid0.addWidget(self.pcolumns, 2, 1)
+
+        # ## Rows
+        self.prows = FCEntry()
+        self.rows_label = QtWidgets.QLabel('%s:' % _("Rows"))
+        self.rows_label.setToolTip(
+            _("Number of rows of the desired panel")
+        )
+        grid0.addWidget(self.rows_label, 3, 0)
+        grid0.addWidget(self.prows, 3, 1)
+
+        # ## Type of resulting Panel object
+        self.panel_type_radio = RadioSet([{'label': _('Gerber'), 'value': 'gerber'},
+                                          {'label': _('Geo'), 'value': 'geometry'}])
+        self.panel_type_label = QtWidgets.QLabel('%s:' % _("Panel Type"))
+        self.panel_type_label.setToolTip(
+           _("Choose the type of object for the panel object:\n"
+             "- Gerber\n"
+             "- Geometry")
+        )
+
+        grid0.addWidget(self.panel_type_label, 4, 0)
+        grid0.addWidget(self.panel_type_radio, 4, 1)
+
+        # ## Constrains
+        self.pconstrain_cb = FCCheckBox('%s:' % _("Constrain within"))
+        self.pconstrain_cb.setToolTip(
+            _("Area define by DX and DY within to constrain the panel.\n"
+              "DX and DY values are in current units.\n"
+              "Regardless of how many columns and rows are desired,\n"
+              "the final panel will have as many columns and rows as\n"
+              "they fit completely within selected area.")
+        )
+        grid0.addWidget(self.pconstrain_cb, 5, 0)
+
+        self.px_width_entry = FCEntry()
+        self.x_width_lbl = QtWidgets.QLabel('%s:' % _("Width (DX)"))
+        self.x_width_lbl.setToolTip(
+            _("The width (DX) within which the panel must fit.\n"
+              "In current units.")
+        )
+        grid0.addWidget(self.x_width_lbl, 6, 0)
+        grid0.addWidget(self.px_width_entry, 6, 1)
+
+        self.py_height_entry = FCEntry()
+        self.y_height_lbl = QtWidgets.QLabel('%s:' % _("Height (DY)"))
+        self.y_height_lbl.setToolTip(
+            _("The height (DY)within which the panel must fit.\n"
+              "In current units.")
+        )
+        grid0.addWidget(self.y_height_lbl, 7, 0)
+        grid0.addWidget(self.py_height_entry, 7, 1)
+
+        self.layout.addStretch()
+
+
+class ToolsCalculatorsPrefGroupUI(OptionsGroupUI):
+    def __init__(self, parent=None):
+        # OptionsGroupUI.__init__(self, "Calculators Tool Options", parent=parent)
+        super(ToolsCalculatorsPrefGroupUI, self).__init__(self)
+
+        self.setTitle(str(_("Calculators Tool Options")))
+
+        # ## V-shape Calculator Tool
+        self.vshape_tool_label = QtWidgets.QLabel("<b>%s:</b>" % _("V-Shape Tool Calculator"))
+        self.vshape_tool_label.setToolTip(
+            _("Calculate the tool diameter for a given V-shape tool,\n"
+              "having the tip diameter, tip angle and\n"
+              "depth-of-cut as parameters.")
+        )
+        self.layout.addWidget(self.vshape_tool_label)
+
+        grid0 = QtWidgets.QGridLayout()
+        self.layout.addLayout(grid0)
+
+        # ## Tip Diameter
+        self.tip_dia_entry = FCEntry()
+        self.tip_dia_label = QtWidgets.QLabel('%s:' % _("Tip Diameter"))
+        self.tip_dia_label.setToolTip(
+            _("This is the tool tip diameter.\n"
+              "It is specified by manufacturer.")
+        )
+        grid0.addWidget(self.tip_dia_label, 0, 0)
+        grid0.addWidget(self.tip_dia_entry, 0, 1)
+
+        # ## Tip angle
+        self.tip_angle_entry = FCEntry()
+        self.tip_angle_label = QtWidgets.QLabel('%s:' % _("Tip Angle"))
+        self.tip_angle_label.setToolTip(
+            _("This is the angle on the tip of the tool.\n"
+              "It is specified by manufacturer.")
+        )
+        grid0.addWidget(self.tip_angle_label, 1, 0)
+        grid0.addWidget(self.tip_angle_entry, 1, 1)
+
+        # ## Depth-of-cut Cut Z
+        self.cut_z_entry = FCEntry()
+        self.cut_z_label = QtWidgets.QLabel('%s:' % _("Cut Z"))
+        self.cut_z_label.setToolTip(
+            _("This is depth to cut into material.\n"
+              "In the CNCJob object it is the CutZ parameter.")
+        )
+        grid0.addWidget(self.cut_z_label, 2, 0)
+        grid0.addWidget(self.cut_z_entry, 2, 1)
+
+        # ## Electroplating Calculator Tool
+        self.plate_title_label = QtWidgets.QLabel("<b>%s:</b>" % _("ElectroPlating Calculator"))
+        self.plate_title_label.setToolTip(
+            _("This calculator is useful for those who plate the via/pad/drill holes,\n"
+              "using a method like grahite ink or calcium hypophosphite ink or palladium chloride.")
+        )
+        self.layout.addWidget(self.plate_title_label)
+
+        grid1 = QtWidgets.QGridLayout()
+        self.layout.addLayout(grid1)
+
+        # ## PCB Length
+        self.pcblength_entry = FCEntry()
+        self.pcblengthlabel = QtWidgets.QLabel('%s:' % _("Board Length"))
+
+        self.pcblengthlabel.setToolTip(_('This is the board length. In centimeters.'))
+        grid1.addWidget(self.pcblengthlabel, 0, 0)
+        grid1.addWidget(self.pcblength_entry, 0, 1)
+
+        # ## PCB Width
+        self.pcbwidth_entry = FCEntry()
+        self.pcbwidthlabel = QtWidgets.QLabel('%s:' % _("Board Width"))
+
+        self.pcbwidthlabel.setToolTip(_('This is the board width.In centimeters.'))
+        grid1.addWidget(self.pcbwidthlabel, 1, 0)
+        grid1.addWidget(self.pcbwidth_entry, 1, 1)
+
+        # ## Current Density
+        self.cdensity_label = QtWidgets.QLabel('%s:' % _("Current Density"))
+        self.cdensity_entry = FCEntry()
+
+        self.cdensity_label.setToolTip(_("Current density to pass through the board. \n"
+                                         "In Amps per Square Feet ASF."))
+        grid1.addWidget(self.cdensity_label, 2, 0)
+        grid1.addWidget(self.cdensity_entry, 2, 1)
+
+        # ## PCB Copper Growth
+        self.growth_label = QtWidgets.QLabel('%s:' % _("Copper Growth"))
+        self.growth_entry = FCEntry()
+
+        self.growth_label.setToolTip(_("How thick the copper growth is intended to be.\n"
+                                       "In microns."))
+        grid1.addWidget(self.growth_label, 3, 0)
+        grid1.addWidget(self.growth_entry, 3, 1)
+
+        self.layout.addStretch()
+
+
+class ToolsTransformPrefGroupUI(OptionsGroupUI):
+    def __init__(self, parent=None):
+
+        super(ToolsTransformPrefGroupUI, self).__init__(self)
+
+        self.setTitle(str(_("Transform Tool Options")))
+
+        # ## Transformations
+        self.transform_label = QtWidgets.QLabel("<b>%s:</b>" % _("Parameters"))
+        self.transform_label.setToolTip(
+            _("Various transformations that can be applied\n"
+              "on a FlatCAM object.")
+        )
+        self.layout.addWidget(self.transform_label)
+
+        grid0 = QtWidgets.QGridLayout()
+        self.layout.addLayout(grid0)
+
+        # ## Rotate Angle
+        self.rotate_entry = FCEntry()
+        self.rotate_label = QtWidgets.QLabel('%s:' % _("Rotate Angle"))
+        self.rotate_label.setToolTip(
+            _("Angle for Rotation action, in degrees.\n"
+              "Float number between -360 and 359.\n"
+              "Positive numbers for CW motion.\n"
+              "Negative numbers for CCW motion.")
+        )
+        grid0.addWidget(self.rotate_label, 0, 0)
+        grid0.addWidget(self.rotate_entry, 0, 1)
+
+        # ## Skew/Shear Angle on X axis
+        self.skewx_entry = FCEntry()
+        self.skewx_label = QtWidgets.QLabel('%s:' % _("Skew_X angle"))
+        self.skewx_label.setToolTip(
+            _("Angle for Skew action, in degrees.\n"
+              "Float number between -360 and 359.")
+        )
+        grid0.addWidget(self.skewx_label, 1, 0)
+        grid0.addWidget(self.skewx_entry, 1, 1)
+
+        # ## Skew/Shear Angle on Y axis
+        self.skewy_entry = FCEntry()
+        self.skewy_label = QtWidgets.QLabel('%s:' % _("Skew_Y angle"))
+        self.skewy_label.setToolTip(
+            _("Angle for Skew action, in degrees.\n"
+              "Float number between -360 and 359.")
+        )
+        grid0.addWidget(self.skewy_label, 2, 0)
+        grid0.addWidget(self.skewy_entry, 2, 1)
+
+        # ## Scale factor on X axis
+        self.scalex_entry = FCEntry()
+        self.scalex_label = QtWidgets.QLabel('%s:' % _("Scale_X factor"))
+        self.scalex_label.setToolTip(
+            _("Factor for scaling on X axis.")
+        )
+        grid0.addWidget(self.scalex_label, 3, 0)
+        grid0.addWidget(self.scalex_entry, 3, 1)
+
+        # ## Scale factor on X axis
+        self.scaley_entry = FCEntry()
+        self.scaley_label = QtWidgets.QLabel('%s:' % _("Scale_Y factor"))
+        self.scaley_label.setToolTip(
+            _("Factor for scaling on Y axis.")
+        )
+        grid0.addWidget(self.scaley_label, 4, 0)
+        grid0.addWidget(self.scaley_entry, 4, 1)
+
+        # ## Link Scale factors
+        self.link_cb = FCCheckBox(_("Link"))
+        self.link_cb.setToolTip(
+            _("Scale the selected object(s)\n"
+              "using the Scale_X factor for both axis.")
+        )
+        grid0.addWidget(self.link_cb, 5, 0)
+
+        # ## Scale Reference
+        self.reference_cb = FCCheckBox('%s' % _("Scale Reference"))
+        self.reference_cb.setToolTip(
+            _("Scale the selected object(s)\n"
+              "using the origin reference when checked,\n"
+              "and the center of the biggest bounding box\n"
+              "of the selected objects when unchecked.")
+        )
+        grid0.addWidget(self.reference_cb, 5, 1)
+
+        # ## Offset distance on X axis
+        self.offx_entry = FCEntry()
+        self.offx_label = QtWidgets.QLabel('%s:' % _("Offset_X val"))
+        self.offx_label.setToolTip(
+           _("Distance to offset on X axis. In current units.")
+        )
+        grid0.addWidget(self.offx_label, 6, 0)
+        grid0.addWidget(self.offx_entry, 6, 1)
+
+        # ## Offset distance on Y axis
+        self.offy_entry = FCEntry()
+        self.offy_label = QtWidgets.QLabel('%s:' % _("Offset_Y val"))
+        self.offy_label.setToolTip(
+            _("Distance to offset on Y axis. In current units.")
+        )
+        grid0.addWidget(self.offy_label, 7, 0)
+        grid0.addWidget(self.offy_entry, 7, 1)
+
+        # ## Mirror (Flip) Reference Point
+        self.mirror_reference_cb = FCCheckBox('%s' % _("Mirror Reference"))
+        self.mirror_reference_cb.setToolTip(
+            _("Flip the selected object(s)\n"
+              "around the point in Point Entry Field.\n"
+              "\n"
+              "The point coordinates can be captured by\n"
+              "left click on canvas together with pressing\n"
+              "SHIFT key. \n"
+              "Then click Add button to insert coordinates.\n"
+              "Or enter the coords in format (x, y) in the\n"
+              "Point Entry field and click Flip on X(Y)"))
+        grid0.addWidget(self.mirror_reference_cb, 8, 1)
+
+        self.flip_ref_label = QtWidgets.QLabel('%s:' % _(" Mirror Ref. Point"))
+        self.flip_ref_label.setToolTip(
+            _("Coordinates in format (x, y) used as reference for mirroring.\n"
+              "The 'x' in (x, y) will be used when using Flip on X and\n"
+              "the 'y' in (x, y) will be used when using Flip on Y and")
+        )
+        self.flip_ref_entry = EvalEntry2("(0, 0)")
+
+        grid0.addWidget(self.flip_ref_label, 9, 0)
+        grid0.addWidget(self.flip_ref_entry, 9, 1)
+
+        self.layout.addStretch()
+
+
+class ToolsSolderpastePrefGroupUI(OptionsGroupUI):
+    def __init__(self, parent=None):
+
+        super(ToolsSolderpastePrefGroupUI, self).__init__(self)
+
+        self.setTitle(str(_("SolderPaste Tool Options")))
+
+        # ## Solder Paste Dispensing
+        self.solderpastelabel = QtWidgets.QLabel("<b>%s:</b>" % _("Parameters"))
+        self.solderpastelabel.setToolTip(
+            _("A tool to create GCode for dispensing\n"
+              "solder paste onto a PCB.")
+        )
+        self.layout.addWidget(self.solderpastelabel)
+
+        grid0 = QtWidgets.QGridLayout()
+        self.layout.addLayout(grid0)
+
+        # Nozzle Tool Diameters
+        nozzletdlabel = QtWidgets.QLabel('%s:' % _('Tools dia'))
+        nozzletdlabel.setToolTip(
+            _("Diameters of nozzle tools, separated by ','")
+        )
+        self.nozzle_tool_dia_entry = FCEntry()
+        grid0.addWidget(nozzletdlabel, 0, 0)
+        grid0.addWidget(self.nozzle_tool_dia_entry, 0, 1)
+
+        # New Nozzle Tool Dia
+        self.addtool_entry_lbl = QtWidgets.QLabel('<b>%s:</b>' % _('New Nozzle Dia'))
+        self.addtool_entry_lbl.setToolTip(
+            _("Diameter for the new Nozzle tool to add in the Tool Table")
+        )
+        self.addtool_entry = FCEntry()
+        grid0.addWidget(self.addtool_entry_lbl, 1, 0)
+        grid0.addWidget(self.addtool_entry, 1, 1)
+
+        # Z dispense start
+        self.z_start_entry = FCEntry()
+        self.z_start_label = QtWidgets.QLabel('%s:' % _("Z Dispense Start"))
+        self.z_start_label.setToolTip(
+            _("The height (Z) when solder paste dispensing starts.")
+        )
+        grid0.addWidget(self.z_start_label, 2, 0)
+        grid0.addWidget(self.z_start_entry, 2, 1)
+
+        # Z dispense
+        self.z_dispense_entry = FCEntry()
+        self.z_dispense_label = QtWidgets.QLabel('%s:' % _("Z Dispense"))
+        self.z_dispense_label.setToolTip(
+            _("The height (Z) when doing solder paste dispensing.")
+        )
+        grid0.addWidget(self.z_dispense_label, 3, 0)
+        grid0.addWidget(self.z_dispense_entry, 3, 1)
+
+        # Z dispense stop
+        self.z_stop_entry = FCEntry()
+        self.z_stop_label = QtWidgets.QLabel('%s:' % _("Z Dispense Stop"))
+        self.z_stop_label.setToolTip(
+            _("The height (Z) when solder paste dispensing stops.")
+        )
+        grid0.addWidget(self.z_stop_label, 4, 0)
+        grid0.addWidget(self.z_stop_entry, 4, 1)
+
+        # Z travel
+        self.z_travel_entry = FCEntry()
+        self.z_travel_label = QtWidgets.QLabel('%s:' % _("Z Travel"))
+        self.z_travel_label.setToolTip(
+            _("The height (Z) for travel between pads\n"
+              "(without dispensing solder paste).")
+        )
+        grid0.addWidget(self.z_travel_label, 5, 0)
+        grid0.addWidget(self.z_travel_entry, 5, 1)
+
+        # Z toolchange location
+        self.z_toolchange_entry = FCEntry()
+        self.z_toolchange_label = QtWidgets.QLabel('%s:' % _("Z Toolchange"))
+        self.z_toolchange_label.setToolTip(
+            _("The height (Z) for tool (nozzle) change.")
+        )
+        grid0.addWidget(self.z_toolchange_label, 6, 0)
+        grid0.addWidget(self.z_toolchange_entry, 6, 1)
+
+        # X,Y Toolchange location
+        self.xy_toolchange_entry = FCEntry()
+        self.xy_toolchange_label = QtWidgets.QLabel('%s:' % _("Toolchange X-Y"))
+        self.xy_toolchange_label.setToolTip(
+            _("The X,Y location for tool (nozzle) change.\n"
+              "The format is (x, y) where x and y are real numbers.")
+        )
+        grid0.addWidget(self.xy_toolchange_label, 7, 0)
+        grid0.addWidget(self.xy_toolchange_entry, 7, 1)
+
+        # Feedrate X-Y
+        self.frxy_entry = FCEntry()
+        self.frxy_label = QtWidgets.QLabel('%s:' % _("Feedrate X-Y"))
+        self.frxy_label.setToolTip(
+            _("Feedrate (speed) while moving on the X-Y plane.")
+        )
+        grid0.addWidget(self.frxy_label, 8, 0)
+        grid0.addWidget(self.frxy_entry, 8, 1)
+
+        # Feedrate Z
+        self.frz_entry = FCEntry()
+        self.frz_label = QtWidgets.QLabel('%s:' % _("Feedrate Z"))
+        self.frz_label.setToolTip(
+            _("Feedrate (speed) while moving vertically\n"
+              "(on Z plane).")
+        )
+        grid0.addWidget(self.frz_label, 9, 0)
+        grid0.addWidget(self.frz_entry, 9, 1)
+
+        # Feedrate Z Dispense
+        self.frz_dispense_entry = FCEntry()
+        self.frz_dispense_label = QtWidgets.QLabel('%s:' % _("Feedrate Z Dispense"))
+        self.frz_dispense_label.setToolTip(
+            _("Feedrate (speed) while moving up vertically\n"
+              "to Dispense position (on Z plane).")
+        )
+        grid0.addWidget(self.frz_dispense_label, 10, 0)
+        grid0.addWidget(self.frz_dispense_entry, 10, 1)
+
+        # Spindle Speed Forward
+        self.speedfwd_entry = FCEntry()
+        self.speedfwd_label = QtWidgets.QLabel('%s:' % _("Spindle Speed FWD"))
+        self.speedfwd_label.setToolTip(
+            _("The dispenser speed while pushing solder paste\n"
+              "through the dispenser nozzle.")
+        )
+        grid0.addWidget(self.speedfwd_label, 11, 0)
+        grid0.addWidget(self.speedfwd_entry, 11, 1)
+
+        # Dwell Forward
+        self.dwellfwd_entry = FCEntry()
+        self.dwellfwd_label = QtWidgets.QLabel('%s:' % _("Dwell FWD"))
+        self.dwellfwd_label.setToolTip(
+            _("Pause after solder dispensing.")
+        )
+        grid0.addWidget(self.dwellfwd_label, 12, 0)
+        grid0.addWidget(self.dwellfwd_entry, 12, 1)
+
+        # Spindle Speed Reverse
+        self.speedrev_entry = FCEntry()
+        self.speedrev_label = QtWidgets.QLabel('%s:' % _("Spindle Speed REV"))
+        self.speedrev_label.setToolTip(
+            _("The dispenser speed while retracting solder paste\n"
+              "through the dispenser nozzle.")
+        )
+        grid0.addWidget(self.speedrev_label, 13, 0)
+        grid0.addWidget(self.speedrev_entry, 13, 1)
+
+        # Dwell Reverse
+        self.dwellrev_entry = FCEntry()
+        self.dwellrev_label = QtWidgets.QLabel('%s:' % _("Dwell REV"))
+        self.dwellrev_label.setToolTip(
+            _("Pause after solder paste dispenser retracted,\n"
+              "to allow pressure equilibrium.")
+        )
+        grid0.addWidget(self.dwellrev_label, 14, 0)
+        grid0.addWidget(self.dwellrev_entry, 14, 1)
+
+        # Postprocessors
+        pp_label = QtWidgets.QLabel('%s:' % _('PostProcessor'))
+        pp_label.setToolTip(
+            _("Files that control the GCode generation.")
+        )
+
+        self.pp_combo = FCComboBox()
+        grid0.addWidget(pp_label, 15, 0)
+        grid0.addWidget(self.pp_combo, 15, 1)
+
+        self.layout.addStretch()
+
+
+class ToolsSubPrefGroupUI(OptionsGroupUI):
+    def __init__(self, parent=None):
+
+        super(ToolsSubPrefGroupUI, self).__init__(self)
+
+        self.setTitle(str(_("Substractor Tool Options")))
+
+        # ## Solder Paste Dispensing
+        self.sublabel = QtWidgets.QLabel("<b>%s:</b>" % _("Parameters"))
+        self.sublabel.setToolTip(
+            _("A tool to substract one Gerber or Geometry object\n"
+              "from another of the same type.")
+        )
+        self.layout.addWidget(self.sublabel)
+
+        self.close_paths_cb = FCCheckBox(_("Close paths"))
+        self.close_paths_cb.setToolTip(_("Checking this will close the paths cut by the Geometry substractor object."))
+        self.layout.addWidget(self.close_paths_cb)
+
+        self.layout.addStretch()
+
+
+class FAExcPrefGroupUI(OptionsGroupUI):
+    def __init__(self, parent=None):
+        # OptionsGroupUI.__init__(self, "Excellon File associations Preferences", parent=None)
+        super().__init__(self)
+
+        self.setTitle(str(_("Excellon File associations")))
+
+        self.layout.setContentsMargins(2, 2, 2, 2)
+
+        self.vertical_lay = QtWidgets.QVBoxLayout()
+        scroll_widget = QtWidgets.QWidget()
+
+        scroll = VerticalScrollArea()
+        scroll.setWidget(scroll_widget)
+        scroll.setWidgetResizable(True)
+        scroll.setFrameShape(QtWidgets.QFrame.NoFrame)
+
+        self.restore_btn = FCButton(_("Restore"))
+        self.restore_btn.setToolTip(_("Restore the extension list to the default state."))
+        self.del_all_btn = FCButton(_("Delete All"))
+        self.del_all_btn.setToolTip(_("Delete all extensions from the list."))
+
+        hlay0 = QtWidgets.QHBoxLayout()
+        hlay0.addWidget(self.restore_btn)
+        hlay0.addWidget(self.del_all_btn)
+        self.vertical_lay.addLayout(hlay0)
+
+        # # ## Excellon associations
+        list_label = QtWidgets.QLabel("<b>%s:</b>" % _("Extensions list"))
+        list_label.setToolTip(
+            _("List of file extensions to be\n"
+              "associated with FlatCAM.")
+        )
+        self.vertical_lay.addWidget(list_label)
+
+        settings = QSettings("Open Source", "FlatCAM")
+        if settings.contains("textbox_font_size"):
+            tb_fsize = settings.value('textbox_font_size', type=int)
+        else:
+            tb_fsize = 10
+
+        self.exc_list_text = FCTextArea()
+        self.exc_list_text.setReadOnly(True)
+        # self.exc_list_text.sizeHint(custom_sizehint=150)
+        font = QtGui.QFont()
+        font.setPointSize(tb_fsize)
+        self.exc_list_text.setFont(font)
+
+        self.vertical_lay.addWidget(self.exc_list_text)
+
+        self.ext_label = QtWidgets.QLabel('%s:' % _("Extension"))
+        self.ext_label.setToolTip(_("A file extension to be added or deleted to the list."))
+        self.ext_entry = FCEntry()
+
+        hlay1 = QtWidgets.QHBoxLayout()
+        self.vertical_lay.addLayout(hlay1)
+        hlay1.addWidget(self.ext_label)
+        hlay1.addWidget(self.ext_entry)
+
+        self.add_btn = FCButton(_("Add Extension"))
+        self.add_btn.setToolTip(_("Add a file extension to the list"))
+        self.del_btn = FCButton(_("Delete Extension"))
+        self.del_btn.setToolTip(_("Delete a file extension from the list"))
+
+        hlay2 = QtWidgets.QHBoxLayout()
+        self.vertical_lay.addLayout(hlay2)
+        hlay2.addWidget(self.add_btn)
+        hlay2.addWidget(self.del_btn)
+
+        self.exc_list_btn = FCButton(_("Apply Association"))
+        self.exc_list_btn.setToolTip(_("Apply the file associations between\n"
+                                       "FlatCAM and the files with above extensions.\n"
+                                       "They will be active after next logon.\n"
+                                       "This work only in Windows."))
+        self.vertical_lay.addWidget(self.exc_list_btn)
+
+        scroll_widget.setLayout(self.vertical_lay)
+        self.layout.addWidget(scroll)
+
+        # self.vertical_lay.addStretch()
+
+
+class FAGcoPrefGroupUI(OptionsGroupUI):
+    def __init__(self, parent=None):
+        # OptionsGroupUI.__init__(self, "Gcode File associations Preferences", parent=None)
+        super(FAGcoPrefGroupUI, self).__init__(self)
+
+        self.setTitle(str(_("GCode File associations")))
+
+        self.restore_btn = FCButton(_("Restore"))
+        self.restore_btn.setToolTip(_("Restore the extension list to the default state."))
+        self.del_all_btn = FCButton(_("Delete All"))
+        self.del_all_btn.setToolTip(_("Delete all extensions from the list."))
+
+        hlay0 = QtWidgets.QHBoxLayout()
+        self.layout.addLayout(hlay0)
+        hlay0.addWidget(self.restore_btn)
+        hlay0.addWidget(self.del_all_btn)
+
+        # ## G-Code associations
+        self.gco_list_label = QtWidgets.QLabel("<b>%s:</b>" % _("Extensions list"))
+        self.gco_list_label.setToolTip(
+            _("List of file extensions to be\n"
+              "associated with FlatCAM.")
+        )
+        self.layout.addWidget(self.gco_list_label)
+
+        settings = QSettings("Open Source", "FlatCAM")
+        if settings.contains("textbox_font_size"):
+            tb_fsize = settings.value('textbox_font_size', type=int)
+        else:
+            tb_fsize = 10
+
+        self.gco_list_text = FCTextArea()
+        self.gco_list_text.setReadOnly(True)
+        # self.gco_list_text.sizeHint(custom_sizehint=150)
+        font = QtGui.QFont()
+        font.setPointSize(tb_fsize)
+        self.gco_list_text.setFont(font)
+
+        self.layout.addWidget(self.gco_list_text)
+
+        self.ext_label = QtWidgets.QLabel('%s:' % _("Extension"))
+        self.ext_label.setToolTip(_("A file extension to be added or deleted to the list."))
+        self.ext_entry = FCEntry()
+
+        hlay1 = QtWidgets.QHBoxLayout()
+        self.layout.addLayout(hlay1)
+        hlay1.addWidget(self.ext_label)
+        hlay1.addWidget(self.ext_entry)
+
+        self.add_btn = FCButton(_("Add Extension"))
+        self.add_btn.setToolTip(_("Add a file extension to the list"))
+        self.del_btn = FCButton(_("Delete Extension"))
+        self.del_btn.setToolTip(_("Delete a file extension from the list"))
+
+        hlay2 = QtWidgets.QHBoxLayout()
+        self.layout.addLayout(hlay2)
+        hlay2.addWidget(self.add_btn)
+        hlay2.addWidget(self.del_btn)
+
+        self.gco_list_btn = FCButton(_("Apply Association"))
+        self.gco_list_btn.setToolTip(_("Apply the file associations between\n"
+                                       "FlatCAM and the files with above extensions.\n"
+                                       "They will be active after next logon.\n"
+                                       "This work only in Windows."))
+        self.layout.addWidget(self.gco_list_btn)
+
+        # self.layout.addStretch()
+
+
+class FAGrbPrefGroupUI(OptionsGroupUI):
+    def __init__(self, parent=None):
+        # OptionsGroupUI.__init__(self, "Gerber File associations Preferences", parent=None)
+        super(FAGrbPrefGroupUI, self).__init__(self)
+
+        self.setTitle(str(_("Gerber File associations")))
+
+        self.restore_btn = FCButton(_("Restore"))
+        self.restore_btn.setToolTip(_("Restore the extension list to the default state."))
+        self.del_all_btn = FCButton(_("Delete All"))
+        self.del_all_btn.setToolTip(_("Delete all extensions from the list."))
+
+        hlay0 = QtWidgets.QHBoxLayout()
+        self.layout.addLayout(hlay0)
+        hlay0.addWidget(self.restore_btn)
+        hlay0.addWidget(self.del_all_btn)
+
+        # ## Gerber associations
+        self.grb_list_label = QtWidgets.QLabel("<b>%s:</b>" % _("Extensions list"))
+        self.grb_list_label.setToolTip(
+            _("List of file extensions to be\n"
+              "associated with FlatCAM.")
+        )
+        self.layout.addWidget(self.grb_list_label)
+
+        settings = QSettings("Open Source", "FlatCAM")
+        if settings.contains("textbox_font_size"):
+            tb_fsize = settings.value('textbox_font_size', type=int)
+        else:
+            tb_fsize = 10
+
+        self.grb_list_text = FCTextArea()
+        self.grb_list_text.setReadOnly(True)
+        # self.grb_list_text.sizeHint(custom_sizehint=150)
+        self.layout.addWidget(self.grb_list_text)
+        font = QtGui.QFont()
+        font.setPointSize(tb_fsize)
+        self.grb_list_text.setFont(font)
+
+        self.ext_label = QtWidgets.QLabel('%s:' % _("Extension"))
+        self.ext_label.setToolTip(_("A file extension to be added or deleted to the list."))
+        self.ext_entry = FCEntry()
+
+        hlay1 = QtWidgets.QHBoxLayout()
+        self.layout.addLayout(hlay1)
+        hlay1.addWidget(self.ext_label)
+        hlay1.addWidget(self.ext_entry)
+
+        self.add_btn = FCButton(_("Add Extension"))
+        self.add_btn.setToolTip(_("Add a file extension to the list"))
+        self.del_btn = FCButton(_("Delete Extension"))
+        self.del_btn.setToolTip(_("Delete a file extension from the list"))
+
+        hlay2 = QtWidgets.QHBoxLayout()
+        self.layout.addLayout(hlay2)
+        hlay2.addWidget(self.add_btn)
+        hlay2.addWidget(self.del_btn)
+
+        self.grb_list_btn = FCButton(_("Apply Association"))
+        self.grb_list_btn.setToolTip(_("Apply the file associations between\n"
+                                       "FlatCAM and the files with above extensions.\n"
+                                       "They will be active after next logon.\n"
+                                       "This work only in Windows."))
+
+        self.layout.addWidget(self.grb_list_btn)
+
+        # self.layout.addStretch()
+
+
+class AutoCompletePrefGroupUI(OptionsGroupUI):
+    def __init__(self, parent=None):
+        # OptionsGroupUI.__init__(self, "Gerber File associations Preferences", parent=None)
+        super().__init__(self, parent=parent)
+
+        self.setTitle(str(_("Autocompleter Keywords")))
+
+        self.restore_btn = FCButton(_("Restore"))
+        self.restore_btn.setToolTip(_("Restore the autocompleter keywords list to the default state."))
+        self.del_all_btn = FCButton(_("Delete All"))
+        self.del_all_btn.setToolTip(_("Delete all autocompleter keywords from the list."))
+
+        hlay0 = QtWidgets.QHBoxLayout()
+        self.layout.addLayout(hlay0)
+        hlay0.addWidget(self.restore_btn)
+        hlay0.addWidget(self.del_all_btn)
+
+        # ## Gerber associations
+        self.grb_list_label = QtWidgets.QLabel("<b>%s:</b>" % _("Keywords list"))
+        self.grb_list_label.setToolTip(
+            _("List of keywords used by\n"
+              "the autocompleter in FlatCAM.\n"
+              "The autocompleter is installed\n"
+              "in the Code Editor and for the Tcl Shell.")
+        )
+        self.layout.addWidget(self.grb_list_label)
+
+        settings = QSettings("Open Source", "FlatCAM")
+        if settings.contains("textbox_font_size"):
+            tb_fsize = settings.value('textbox_font_size', type=int)
+        else:
+            tb_fsize = 10
+
+        self.kw_list_text = FCTextArea()
+        self.kw_list_text.setReadOnly(True)
+        # self.grb_list_text.sizeHint(custom_sizehint=150)
+        self.layout.addWidget(self.kw_list_text)
+        font = QtGui.QFont()
+        font.setPointSize(tb_fsize)
+        self.kw_list_text.setFont(font)
+
+        self.kw_label = QtWidgets.QLabel('%s:' % _("Extension"))
+        self.kw_label.setToolTip(_("A keyword to be added or deleted to the list."))
+        self.kw_entry = FCEntry()
+
+        hlay1 = QtWidgets.QHBoxLayout()
+        self.layout.addLayout(hlay1)
+        hlay1.addWidget(self.kw_label)
+        hlay1.addWidget(self.kw_entry)
+
+        self.add_btn = FCButton(_("Add keyword"))
+        self.add_btn.setToolTip(_("Add a keyword to the list"))
+        self.del_btn = FCButton(_("Delete keyword"))
+        self.del_btn.setToolTip(_("Delete a keyword from the list"))
+
+        hlay2 = QtWidgets.QHBoxLayout()
+        self.layout.addLayout(hlay2)
+        hlay2.addWidget(self.add_btn)
+        hlay2.addWidget(self.del_btn)
+
+        # self.layout.addStretch()

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