fixed forced full redraws

force full UI redraw when UI palette changes

src/emucore/FrameBuffer.cxx

@@ -889,6 +889,8 @@ void FrameBuffer::setUIPalette()
     myFullPalette[j] = mapRGB(r, g, b);
   }
   FBSurface::setPalette(myFullPalette);
+  if(&myOSystem.eventHandler())
+    update(true);
 }
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

src/gui/Dialog.cxx

@@ -217,10 +217,13 @@ void Dialog::positionAt(uInt32 pos)
 }
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-void Dialog::redraw()
+void Dialog::redraw(bool force)
 {
-  if(!isVisible() || !needsRedraw())
-    return;// false;
+  if(!isVisible())
+    return;
+
+  if(force)
+    setDirty();
 
   // Draw this dialog
   setPosition();

src/gui/Dialog.hxx

@@ -64,7 +64,7 @@ class Dialog : public GuiObject
 
     void tick() override;
     bool isChainDirty() const override;
-    void redraw();
+    void redraw(bool force = false);
     void render();
 
     void addFocusWidget(Widget* w) override;

src/gui/DialogContainer.cxx

@@ -102,8 +102,8 @@ void DialogContainer::draw(bool full)
 
   // Draw and render all dirty dialogs
   myDialogStack.applyAll([&](Dialog*& d) {
-    if(d->needsRedraw())
-      d->redraw();
+    if(full || d->needsRedraw())
+      d->redraw(full);
   });
   // Always render all surfaces, bottom to top
   render();