[GEF] Add workaround for PaletteView not showing contents on Mac

- See #944
archimatetool · Jul 7, 2023 · 3c767cb · 3c767cb
1 parent d964041
commit 3c767cb
Showing 1 changed file with 14 additions and 0 deletions.
diff --git a/org.eclipse.gef/src/org/eclipse/gef/ui/views/palette/PaletteView.java b/org.eclipse.gef/src/org/eclipse/gef/ui/views/palette/PaletteView.java
@@ -10,6 +10,7 @@
  *******************************************************************************/
 package org.eclipse.gef.ui.views.palette;
 
+import org.eclipse.swt.SWT;
 import org.eclipse.swt.widgets.Composite;
 
 import org.eclipse.ui.IEditorPart;
@@ -33,6 +34,8 @@
 public class PaletteView extends PageBookView {
 
     private boolean viewInPage = true;
+
+    private static final boolean isMac = "cocoa".equals(SWT.getPlatform()); //$NON-NLS-1$
 
     /**
      * The ID for this view. This is the same as the String used to register
@@ -58,6 +61,17 @@ public void perspectiveActivated(IWorkbenchPage page,
         }
     };
 
+    @Override
+    protected void showPageRec(PageRec pageRec) {
+        super.showPageRec(pageRec);
+
+        // Bug on Mac - PaletteView contents are not redrawn if PaletteView is hidden and reshown
+        // See https://github.com/archimatetool/archi/issues/944
+        if(isMac && pageRec.page instanceof PaletteViewerPage && !pageRec.page.getControl().isDisposed()) {
+            pageRec.page.getControl().redraw();
+        }
+    }
+
     /**
      * Creates a default page saying that a palette is not available.
      *