public virtual bool postEvent(Event evt)
{
bool handled = handleEvent(evt);
if (handled)
{
return true;
}
// propagate non-handled events up to parent
Component par = parent;
// try to call postEvent only on components which
// override any of deprecated method handlers
// while (par != null && !par.deprecatedEventHandler) {
// par = par.parent;
// }
// translate event coordinates before posting it to parent
if (par != null)
{
evt.translate(x, y);
par.postEvent(evt);
}
return false;
}
public bool mouseUp(Event evt, int x, int y)
{
// to be overridden: do nothing,
// just return false to propagate event up to the parent container
return false;
}
public bool lostFocus(Event evt, Object what)
{
// to be overridden: do nothing,
// just return false to propagate event up to the parent container
return false;
}
public bool keyDown(Event evt, int key)
{
// to be overridden: do nothing,
// just return false to propagate event up to the parent container
return false;
}
public virtual bool handleEvent(Event evt)
{
switch (evt.id)
{
case Event.ACTION_EVENT:
return action(evt, evt.arg);
case Event.GOT_FOCUS:
return gotFocus(evt, null);
case Event.LOST_FOCUS:
return lostFocus(evt, null);
case Event.MOUSE_DOWN:
return mouseDown(evt, evt.x, evt.y);
case Event.MOUSE_DRAG:
return mouseDrag(evt, evt.x, evt.y);
case Event.MOUSE_ENTER:
return mouseEnter(evt, evt.x, evt.y);
case Event.MOUSE_EXIT:
return mouseExit(evt, evt.x, evt.y);
case Event.MOUSE_MOVE:
return mouseMove(evt, evt.x, evt.y);
case Event.MOUSE_UP:
return mouseUp(evt, evt.x, evt.y);
case Event.KEY_ACTION:
case Event.KEY_PRESS:
return keyDown(evt, evt.key);
case Event.KEY_ACTION_RELEASE:
case Event.KEY_RELEASE:
return keyUp(evt, evt.key);
default:
break;
}
return false;// event not handled
}
public AWTEvent(Event e)
: this(e.target, e.id)
{
}