[WIP][Draft] Grid redrawing at new document or parameter change

0penBrain · Jan 24, 2022 · d24821c · d24821c
1 parent 1e4da60
commit d24821c
Showing 1 changed file with 19 additions and 0 deletions.
diff --git a/src/Mod/Draft/InitGui.py b/src/Mod/Draft/InitGui.py
@@ -137,6 +137,12 @@ def QT_TRANSLATE_NOOP(context, text):
                 FreeCADGui.addPreferencePage(":/ui/preferences-drafttexts.ui", QT_TRANSLATE_NOOP("Draft", "Draft"))
                 FreeCADGui.draftToolBar.loadedPreferences = True
 
+        # Attach document observer
+        FreeCADGui.addDocumentObserver(self)
+
+        # Attach parameter observer
+        FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Draft").Attach(self)
+
         FreeCAD.Console.PrintLog('Loading Draft workbench, done.\n')
 
     def Activated(self):
@@ -167,6 +173,19 @@ def GetClassName(self):
         """Type of workbench."""
         return "Gui::PythonWorkbench"
 
+    def slotActivateDocument(self, doc):
+        """Called when a document is activated"""
+        if FreeCADGui.Snapper:
+            FreeCADGui.Snapper.setGrid()
+
+    def onChange(self, paramGrp, param):
+        """Called when a parameter is changed"""
+        if param in ['grid','gridEvery','gridSize','gridTransparency','gridSpacing',
+                     'alwaysShowGrid','gridBorder','gridShowHuman','coloredGridAxes',
+                     'gridColor']:
+            if hasattr(FreeCADGui, 'Snapper') and hasattr(FreeCADGui.Snapper, 'grid'):
+                if FreeCADGui.Snapper.grid:
+                    FreeCADGui.Snapper.grid.reset()
 
 FreeCADGui.addWorkbench(DraftWorkbench)