Handle GTK enter and leave notification events and pass them to WebKit as ...

webkit/api/src/gtk/WebInputEventFactory.cpp

 /*
  * Copyright (C) 2006-2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 363 matching lines @@
     if (event->state & GDK_BUTTON1_MASK)
         result.button = WebMouseEvent::ButtonLeft;
     else if (event->state & GDK_BUTTON2_MASK)
         result.button = WebMouseEvent::ButtonMiddle;
     else if (event->state & GDK_BUTTON3_MASK)
         result.button = WebMouseEvent::ButtonRight;
 
     return result;
 }
 
+WebMouseEvent WebInputEventFactory::mouseEvent(const GdkEventCrossing* event)
+{
+    WebMouseEvent result;
+
+    result.timeStampSeconds = gdkEventTimeToWebEventTime(event->time);
+    result.modifiers = gdkStateToWebEventModifiers(event->state);
+    result.x = static_cast<int>(event->x);
+    result.y = static_cast<int>(event->y);
+    result.windowX = result.x;
+    result.windowY = result.y;
+    result.globalX = static_cast<int>(event->x_root);
+    result.globalY = static_cast<int>(event->y_root);
+
+    switch (event->type) {
+    case GDK_ENTER_NOTIFY:
+    case GDK_LEAVE_NOTIFY:
+        // Note that if we sent MouseEnter or MouseLeave to WebKit, it
+        // wouldn't work - they don't result in the proper JavaScript events.
+        // MouseMove does the right thing.
+        result.type = WebInputEvent::MouseMove;
+        break;
+    default:
+        ASSERT_NOT_REACHED();
+    }
+
+    result.button = WebMouseEvent::ButtonNone;
+    if (event->state & GDK_BUTTON1_MASK)
+        result.button = WebMouseEvent::ButtonLeft;
+    else if (event->state & GDK_BUTTON2_MASK)
+        result.button = WebMouseEvent::ButtonMiddle;
+    else if (event->state & GDK_BUTTON3_MASK)
+        result.button = WebMouseEvent::ButtonRight;
+
+    return result;
+}
+
 // WebMouseWheelEvent ---------------------------------------------------------
 
 WebMouseWheelEvent WebInputEventFactory::mouseWheelEvent(const GdkEventScroll* event)
 {
     WebMouseWheelEvent result;
 
     result.type = WebInputEvent::MouseWheel;
     result.button = WebMouseEvent::ButtonNone;
 
     result.timeStampSeconds = gdkEventTimeToWebEventTime(event->time);
@@ skipping 33 matching lines @@
     case GDK_SCROLL_RIGHT:
         result.deltaX = -scrollbarPixelsPerTick;
         result.wheelTicksX = 1;
         break;
     }
 
     return result;
 }
 
 } // namespace WebKit