- optimized the toggle axis command

- added posibility of using a big mouse cursor or a small mouse cursor. The big mouse cursor is made from 2 infinite lines. This was implemented for both graphic engines
- added ability to change the cursor size when the small mouse cursor is selected in Preferences -> General

FlatCAMApp.py

@@ -124,8 +124,8 @@ class App(QtCore.QObject):
     # ##########################################################################
     # ################## Version and VERSION DATE ##############################
     # ##########################################################################
-    version = 8.97
-    version_date = "2019/09/27"
+    version = 8.98
+    version_date = "2019/10/7"
     beta = True
     engine = '3D'
 
@@ -492,6 +492,8 @@ class App(QtCore.QObject):
             "global_project_autohide": self.ui.general_defaults_form.general_gui_set_group.project_autohide_cb,
             "global_toggle_tooltips": self.ui.general_defaults_form.general_gui_set_group.toggle_tooltips_cb,
             "global_delete_confirmation": self.ui.general_defaults_form.general_gui_set_group.delete_conf_cb,
+            "global_cursor_type": self.ui.general_defaults_form.general_gui_set_group.cursor_radio,
+            "global_cursor_size": self.ui.general_defaults_form.general_gui_set_group.cursor_size_entry,
 
             # Gerber General
             "gerber_plot": self.ui.gerber_defaults_form.gerber_gen_group.plot_cb,
@@ -911,6 +913,8 @@ class App(QtCore.QObject):
             "global_hover": False,
             "global_selection_shape": True,
             "global_layout": "compact",
+            "global_cursor_type": "small",
+            "global_cursor_size": 20,
 
             # Gerber General
             "gerber_plot": True,
@@ -1957,6 +1961,12 @@ class App(QtCore.QObject):
 
         self.ui.general_defaults_form.general_gui_set_group.layout_combo.activated.connect(self.on_layout)
 
+        # #################################################
+        # ############ GUI SETTINGS SIGNALS ###############
+        # #################################################
+
+        self.ui.general_defaults_form.general_gui_set_group.cursor_radio.activated_custom.connect(self.on_cursor_type)
+
         # ########## CNC Job related signals #############
         self.ui.cncjob_defaults_form.cncjob_adv_opt_group.tc_variable_combo.currentIndexChanged[str].connect(
             self.on_cnc_custom_parameters)
@@ -6265,6 +6275,13 @@ class App(QtCore.QObject):
         self.on_workspace()
 
     def on_layout(self, index=None, lay=None):
+        """
+        Set the toolbars layout (location)
+
+        :param index:
+        :param lay: type of layout to be set on the toolbard
+        :return: None
+        """
         self.report_usage("on_layout()")
         if lay:
             current_layout = lay
@@ -6397,6 +6414,20 @@ class App(QtCore.QObject):
         self.ui.snap_max_dist_entry.setText(str(self.defaults["global_snap_max"]))
         self.ui.grid_gap_link_cb.setChecked(True)
 
+    def on_cursor_type(self, val):
+        """
+
+        :param val: type of mouse cursor, set in Preferences ('small' or 'big')
+        :return: None
+        """
+
+        if val == 'small':
+            self.ui.general_defaults_form.general_gui_set_group.cursor_size_entry.setDisabled(False)
+            self.ui.general_defaults_form.general_gui_set_group.cursor_size_lbl.setDisabled(False)
+        else:
+            self.ui.general_defaults_form.general_gui_set_group.cursor_size_entry.setDisabled(True)
+            self.ui.general_defaults_form.general_gui_set_group.cursor_size_lbl.setDisabled(True)
+
     def on_cnc_custom_parameters(self, signal_text):
         if signal_text == 'Parameters':
             return
@@ -7826,7 +7857,7 @@ class App(QtCore.QObject):
 
                     # Update cursor
                     self.app_cursor.set_data(np.asarray([(pos[0], pos[1])]),
-                                             symbol='++', edge_color='black', size=20)
+                                             symbol='++', edge_color='black', size=self.defaults["global_cursor_size"])
                 else:
                     pos = (pos_canvas[0], pos_canvas[1])
 
@@ -11172,7 +11203,10 @@ class App(QtCore.QObject):
         # Keys over plot enabled
         self.kp = self.plotcanvas.graph_event_connect('key_press', self.ui.keyPressEvent)
 
-        self.app_cursor = self.plotcanvas.new_cursor()
+        if self.defaults['global_cursor_type'] == 'small':
+            self.app_cursor = self.plotcanvas.new_cursor()
+        else:
+            self.app_cursor = self.plotcanvas.new_cursor(big=True)
 
         if self.ui.grid_snap_btn.isChecked():
             self.app_cursor.enabled = True

README.md

@@ -11,8 +11,9 @@ CAD program, and create G-Code for Isolation routing.
 
 27.09.2019
 
-- optimized the toggle grid command
-
+- optimized the toggle axis command
+- added posibility of using a big mouse cursor or a small mouse cursor. The big mouse cursor is made from 2 infinite lines. This was implemented for both graphic engines
+- added ability to change the cursor size when the small mouse cursor is selected in Preferences -> General
 
 27.09.2019
 

flatcamEditors/FlatCAMExcEditor.py

@@ -3657,7 +3657,8 @@ class FlatCAMExcEditor(QtCore.QObject):
             x, y = self.app.geo_editor.snap(x, y)
 
             # Update cursor
-            self.app.app_cursor.set_data(np.asarray([(x, y)]), symbol='++', edge_color='black', size=20)
+            self.app.app_cursor.set_data(np.asarray([(x, y)]), symbol='++', edge_color='black',
+                                         size=self.app.defaults["global_cursor_size"])
 
         self.snap_x = x
         self.snap_y = y
@@ -3705,7 +3706,8 @@ class FlatCAMExcEditor(QtCore.QObject):
             self.app.selection_type = None
 
         # Update cursor
-        self.app.app_cursor.set_data(np.asarray([(x, y)]), symbol='++', edge_color='black', size=20)
+        self.app.app_cursor.set_data(np.asarray([(x, y)]), symbol='++', edge_color='black',
+                                     size=self.app.defaults["global_cursor_size"])
 
     def on_canvas_key_release(self, event):
         self.key = None

flatcamEditors/FlatCAMGeoEditor.py

@@ -3755,7 +3755,8 @@ class FlatCAMGeoEditor(QtCore.QObject):
             x, y = self.snap(x, y)
 
             # Update cursor
-            self.app.app_cursor.set_data(np.asarray([(x, y)]), symbol='++', edge_color='black', size=20)
+            self.app.app_cursor.set_data(np.asarray([(x, y)]), symbol='++', edge_color='black',
+                                         size=self.app.defaults["global_cursor_size"])
 
         self.snap_x = x
         self.snap_y = y

flatcamEditors/FlatCAMGrbEditor.py

@@ -4398,7 +4398,8 @@ class FlatCAMGrbEditor(QtCore.QObject):
             x, y = self.app.geo_editor.snap(x, y)
 
             # Update cursor
-            self.app.app_cursor.set_data(np.asarray([(x, y)]), symbol='++', edge_color='black', size=20)
+            self.app.app_cursor.set_data(np.asarray([(x, y)]), symbol='++', edge_color='black',
+                                         size=self.app.defaults["global_cursor_size"])
 
         self.snap_x = x
         self.snap_y = y

flatcamGUI/PlotCanvas.py

@@ -67,6 +67,14 @@ class PlotCanvas(QtCore.QObject, VisPyCanvas):
 
         self.draw_workspace()
 
+        self.line_parent = None
+        self.line_color = (0.3, 0.0, 0.0, 1.0)
+        self.cursor_v_line = InfiniteLine(pos=None, color=self.line_color, vertical=True,
+                                          parent=self.line_parent)
+
+        self.cursor_h_line = InfiniteLine(pos=None, color=self.line_color, vertical=False,
+                                          parent=self.line_parent)
+
         # if self.app.defaults['global_workspace'] is True:
         #     if self.app.ui.general_defaults_form.general_app_group.units_radio.get_value().upper() == 'MM':
         #         self.wkspace_t = Line(pos=)
@@ -80,6 +88,8 @@ class PlotCanvas(QtCore.QObject, VisPyCanvas):
         # TODO: Should be setting to show/hide CNC job annotations (global or per object)
         self.text_collection.enabled = True
 
+        self.c = None
+
         # Keep VisPy canvas happy by letting it be "frozen" again.
         self.freeze()
 
@@ -185,10 +195,30 @@ class PlotCanvas(QtCore.QObject, VisPyCanvas):
         # return sc
         return ShapeCollection(parent=self.view.scene, pool=self.fcapp.pool, **kwargs)
 
-    def new_cursor(self):
-        c = Cursor(pos=np.empty((0, 2)), parent=self.view.scene)
-        c.antialias = 0
-        return c
+    def new_cursor(self, big=None):
+        if big is True:
+            self.c = CursorBig()
+            self.c.mouse_state_updated.connect(self.on_mouse_state)
+            self.c.mouse_position_updated.connect(self.on_mouse_position)
+        else:
+            self.c = Cursor(pos=np.empty((0, 2)), parent=self.view.scene)
+            self.c.antialias = 0
+        return self.c
+
+    def on_mouse_state(self, state):
+        if state:
+            self.cursor_h_line.parent = self.view.scene
+            self.cursor_v_line.parent = self.view.scene
+        else:
+            self.cursor_h_line.parent = None
+            self.cursor_v_line.parent = None
+
+    def on_mouse_position(self, pos):
+        # self.line_color = color
+
+        self.cursor_h_line.set_data(pos=pos[1], color=self.line_color)
+        self.cursor_v_line.set_data(pos=pos[0], color=self.line_color)
+        self.view.scene.update()
 
     def new_text_group(self, collection=None):
         if collection:
@@ -247,3 +277,38 @@ class PlotCanvas(QtCore.QObject, VisPyCanvas):
 
     def on_pool_recreated(self, pool):
         self.shape_collection.pool = pool
+
+
+class CursorBig(QtCore.QObject):
+    """
+    This is a fake cursor to ensure compatibility with the OpenGL engine (VisPy).
+    This way I don't have to chane (disable) things related to the cursor all over when
+    using the low performance Matplotlib 2D graphic engine.
+    """
+
+    mouse_state_updated = QtCore.pyqtSignal(bool)
+    mouse_position_updated = QtCore.pyqtSignal(list)
+
+    def __init__(self):
+        super().__init__()
+
+        self._enabled = None
+
+    @property
+    def enabled(self):
+        return True if self._enabled else False
+
+    @enabled.setter
+    def enabled(self, value):
+        self._enabled = value
+        self.mouse_state_updated.emit(value)
+
+    def set_data(self, pos, **kwargs):
+        """Internal event handler to draw the cursor when the mouse moves."""
+        if 'edge_color' in kwargs:
+            color = kwargs['edge_color']
+        else:
+            color = (0.0, 0.0, 0.0, 1.0)
+
+        position = [pos[0][0], pos[0][1]]
+        self.mouse_position_updated.emit(position)

flatcamGUI/PlotCanvasLegacy.py

@@ -159,6 +159,9 @@ class PlotCanvasLegacy(QtCore.QObject):
         self.axes.axhline(color=(0.70, 0.3, 0.3), linewidth=2)
         self.axes.axvline(color=(0.70, 0.3, 0.3), linewidth=2)
 
+        self.ch_line = None
+        self.cv_line = None
+
         # The canvas is the top level container (FigureCanvasQTAgg)
         self.canvas = FigureCanvas(self.figure)
 
@@ -207,6 +210,7 @@ class PlotCanvasLegacy(QtCore.QObject):
         self.pan_axes = []
         self.panning = False
         self.mouse = [0, 0]
+        self.big_cursor = False
 
         # signal is the mouse is dragging
         self.is_dragging = False
@@ -254,17 +258,19 @@ class PlotCanvasLegacy(QtCore.QObject):
         pass
         # log.debug("Cache updated the screen!")
 
-    def new_cursor(self, axes=None):
+    def new_cursor(self, axes=None, big=None):
         # if axes is None:
         #     c = MplCursor(axes=self.axes, color='black', linewidth=1)
         # else:
         #     c = MplCursor(axes=axes, color='black', linewidth=1)
 
+        if big is True:
+            self.big_cursor = True
+            self.ch_line = self.axes.axhline(color=(0.0, 0.0, 0.0), linewidth=1)
+            self.cv_line = self.axes.axvline(color=(0.0, 0.0, 0.0), linewidth=1)
         c = FakeCursor()
-        try:
-            c.mouse_state_updated.connect(self.clear_cursor)
-        except Exception as e:
-            print(str(e))
+        c.mouse_state_updated.connect(self.clear_cursor)
+
         return c
 
     def draw_cursor(self, x_pos, y_pos):
@@ -277,18 +283,26 @@ class PlotCanvasLegacy(QtCore.QObject):
         """
         # there is no point in drawing mouse cursor when panning as it jumps in a confusing way
         if self.app.app_cursor.enabled is True and self.panning is False:
-            try:
-                x, y = self.app.geo_editor.snap(x_pos, y_pos)
-
-                # Pointer (snapped)
-                elements = self.axes.plot(x, y, 'k+', ms=33, mew=1, animated=True)
-                for el in elements:
-                    self.axes.draw_artist(el)
-            except Exception as e:
-                # this happen at app initialization since self.app.geo_editor does not exist yet
-                # I could reshuffle the object instantiating order but what's the point? I could crash something else
-                # and that's pythonic, too
-                pass
+            if self.big_cursor is False:
+                try:
+                    x, y = self.app.geo_editor.snap(x_pos, y_pos)
+
+                    # Pointer (snapped)
+                    # The size of the cursor is multiplied by 1.65 because that value made the cursor similar with the
+                    # one in the OpenGL(3D) graphic engine
+                    pointer_size = int(float(self.app.defaults["global_cursor_size"] ) * 1.65)
+                    elements = self.axes.plot(x, y, 'k+', ms=pointer_size, mew=1, animated=True)
+                    for el in elements:
+                        self.axes.draw_artist(el)
+                except Exception as e:
+                    # this happen at app initialization since self.app.geo_editor does not exist yet
+                    # I could reshuffle the object instantiating order but what's the point? I could crash something else
+                    # and that's pythonic, too
+                    pass
+            else:
+                self.ch_line.set_ydata(y_pos)
+                self.cv_line.set_xdata(x_pos)
+                self.canvas.draw_idle()
 
         self.canvas.blit(self.axes.bbox)
 
@@ -742,7 +756,6 @@ class FakeCursor(QtCore.QObject):
 
     def set_data(self, pos, **kwargs):
         """Internal event handler to draw the cursor when the mouse moves."""
-        pass
 
 
 class ShapeCollectionLegacy:

flatcamGUI/PreferencesUI.py

@@ -754,6 +754,29 @@ class GeneralGUISetGroupUI(OptionsGroupUI):
               "when hovering with mouse over items throughout the App.")
         )
 
+        # Mouse Cursor Shape
+        self.cursor_lbl = QtWidgets.QLabel('%s:' % _('Mouse Cursor'))
+        self.cursor_lbl.setToolTip(
+           _("Choose a mouse cursor shape.\n"
+             "- Small -> with a customizable size.\n"
+             "- Big -> Infinite lines")
+        )
+
+        self.cursor_radio = RadioSet([
+            {"label": _("Small"), "value": "small"},
+            {"label": _("Big"), "value": "big"}
+        ], orientation='horizontal', stretch=False)
+
+        self.cursor_size_lbl = QtWidgets.QLabel('%s:' % _('Mouse Cursor Size'))
+        self.cursor_size_lbl.setToolTip(
+           _("Set the size of the mouse cursor, in pixels.")
+        )
+
+        self.cursor_size_entry = FCSpinner()
+        self.cursor_size_entry.set_range(10, 70)
+        self.cursor_size_entry.setWrapping(True)
+
+
         # Add (label - input field) pair to the QFormLayout
         self.form_box.addRow(self.spacelabel, self.spacelabel)
 
@@ -775,6 +798,8 @@ class GeneralGUISetGroupUI(OptionsGroupUI):
         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)
+        self.form_box.addRow(self.cursor_lbl, self.cursor_radio)
+        self.form_box.addRow(self.cursor_size_lbl, self.cursor_size_entry)
 
         # Add the QFormLayout that holds the Application general defaults
         # to the main layout of this TAB

flatcamTools/ToolMeasurement.py

@@ -346,7 +346,8 @@ class Measurement(FlatCAMTool):
 
                 # Update cursor
                 self.app.app_cursor.set_data(np.asarray([(pos[0], pos[1])]),
-                                             symbol='++', edge_color='black', size=20)
+                                             symbol='++', edge_color='black',
+                                             size=self.app.defaults["global_cursor_size"])
             else:
                 pos = (pos_canvas[0], pos_canvas[1])
 

flatcamTools/ToolNonCopperClear.py

@@ -1282,7 +1282,7 @@ class NonCopperClear(FlatCAMTool, Gerber):
             curr_pos = self.app.geo_editor.snap(curr_pos[0], curr_pos[1])
 
             self.app.app_cursor.set_data(np.asarray([(curr_pos[0], curr_pos[1])]),
-                                         symbol='++', edge_color='black', size=20)
+                                         symbol='++', edge_color='black', size=self.app.defaults["global_cursor_size"])
 
         # update the positions on status bar
         self.app.ui.position_label.setText("&nbsp;&nbsp;&nbsp;&nbsp;<b>X</b>: %.4f&nbsp;&nbsp;   "

flatcamTools/ToolPaint.py

@@ -1185,7 +1185,7 @@ class ToolPaint(FlatCAMTool, Gerber):
             curr_pos = self.app.geo_editor.snap(curr_pos[0], curr_pos[1])
 
             self.app.app_cursor.set_data(np.asarray([(curr_pos[0], curr_pos[1])]),
-                                         symbol='++', edge_color='black', size=20)
+                                         symbol='++', edge_color='black', size=self.app.defaults["global_cursor_size"])
 
         # update the positions on status bar
         self.app.ui.position_label.setText("&nbsp;&nbsp;&nbsp;&nbsp;<b>X</b>: %.4f&nbsp;&nbsp;   "