M otk/button.cc → otk/button.cc

@@ -65,10 +65,10 @@ } else
     OtkFocusWidget::update();
 }
 
-void OtkButton::expose(const XExposeEvent &e)
+bool OtkButton::expose(const XExposeEvent &e)
 {
   _dirty = true;
-  OtkFocusWidget::expose(e);
+  return OtkFocusWidget::expose(e);
 }
 
 }

M otk/button.hh → otk/button.hh

@@ -34,7 +34,7 @@ void press(void);
   void release(void);
 
   virtual void update(void);
-  virtual void expose(const XExposeEvent &e);
+  virtual bool expose(const XExposeEvent &e);
 
 private:
 

M otk/widget.cc → otk/widget.cc

@@ -390,16 +390,19 @@ if (it != _children.end())
     _children.erase(it);
 }
 
-void OtkWidget::expose(const XExposeEvent &e)
+bool OtkWidget::expose(const XExposeEvent &e)
 {
   if (e.window == _window) {
     _dirty = true;
     update();
+    return true;
   } else {
     OtkWidgetList::iterator it = _children.begin(), end = _children.end();
     for (; it != end; ++it)
-      (*it)->expose(e);
+      if ((*it)->expose(e))
+        return true;
   }
+  return false;
 }
 
 }

M otk/widget.hh → otk/widget.hh

@@ -27,7 +27,7 @@ virtual ~OtkWidget();
 
   virtual void update(void);
 
-  virtual void expose(const XExposeEvent &e);
+  virtual bool expose(const XExposeEvent &e);
 
   inline Window getWindow(void) const { return _window; }
   inline const OtkWidget *getParent(void) const { return _parent; }