rt_bool_t rtgui_win_event_handler(struct rtgui_object* object, struct rtgui_event* event)
{
struct rtgui_win* win;
RT_ASSERT(object != RT_NULL);
RT_ASSERT(event != RT_NULL);
win = RTGUI_WIN(object);
switch (event->type)
{
case RTGUI_EVENT_WIN_SHOW:
rtgui_win_show(win, RT_FALSE);
break;
case RTGUI_EVENT_WIN_HIDE:
rtgui_win_hiden(win);
break;
case RTGUI_EVENT_WIN_CLOSE:
_rtgui_win_deal_close(win, event);
/* don't broadcast WIN_CLOSE event to others */
return RT_TRUE;
case RTGUI_EVENT_WIN_MOVE:
{
struct rtgui_event_win_move* emove = (struct rtgui_event_win_move*)event;
/* move window */
rtgui_win_move(win, emove->x, emove->y);
}
break;
case RTGUI_EVENT_WIN_ACTIVATE:
if (RTGUI_WIDGET_IS_HIDE(RTGUI_WIDGET(win)))
{
/* activate a hide window */
return RT_TRUE;
}
win->flag |= RTGUI_WIN_FLAG_ACTIVATE;
#ifndef RTGUI_USING_SMALL_SIZE
if (RTGUI_WIDGET(object)->on_draw != RT_NULL)
RTGUI_WIDGET(object)->on_draw(object, event);
else
#endif
rtgui_widget_update(RTGUI_WIDGET(win));
if (win->on_activate != RT_NULL)
{
win->on_activate(RTGUI_OBJECT(object), event);
}
break;
case RTGUI_EVENT_WIN_DEACTIVATE:
if (win->flag & RTGUI_WIN_FLAG_MODAL)
{
/* FIXME: make modal concept clear and easy. See the comment of
* rtgui_topwin_modal_enter. */
/* There are various reason that a modal window got deactivated:
* 1, it has child windows and the user activate one of them.
* 2, the application has more than one root window and the
* user switched to one of the others.
*
* In any of the cases, we have nothing to do here.
*/
}
else
{
win->flag &= ~RTGUI_WIN_FLAG_ACTIVATE;
#ifndef RTGUI_USING_SMALL_SIZE
if (RTGUI_WIDGET(object)->on_draw != RT_NULL)
RTGUI_WIDGET(object)->on_draw(object, event);
else
#endif
rtgui_widget_update(RTGUI_WIDGET(win));
if (win->on_deactivate != RT_NULL)
{
win->on_deactivate(RTGUI_OBJECT(object), event);
}
}
break;
case RTGUI_EVENT_PAINT:
#ifndef RTGUI_USING_SMALL_SIZE
if (RTGUI_WIDGET(object)->on_draw != RT_NULL)
RTGUI_WIDGET(object)->on_draw(object, event);
else
#endif
rtgui_win_ondraw(win);
break;
case RTGUI_EVENT_MOUSE_BUTTON:
/* check whether has widget which handled mouse event before */
if (win->last_mevent_widget != RT_NULL)
{
RTGUI_OBJECT(win->last_mevent_widget)->event_handler(
RTGUI_OBJECT(win->last_mevent_widget),
event);
/* clean last mouse event handled widget */
win->last_mevent_widget = RT_NULL;
}
else if (rtgui_container_dispatch_mouse_event(RTGUI_CONTAINER(win),
(struct rtgui_event_mouse*)event) == RT_FALSE)
{
#ifndef RTGUI_USING_SMALL_SIZE
if (RTGUI_WIDGET(object)->on_mouseclick != RT_NULL)
{
return RTGUI_WIDGET(object)->on_mouseclick(object, event);
}
#endif
}
break;
case RTGUI_EVENT_MOUSE_MOTION:
#if 0
if (rtgui_widget_dispatch_mouse_event(widget,
(struct rtgui_event_mouse*)event) == RT_FALSE)
{
#ifndef RTGUI_USING_SMALL_SIZE
/* handle event in current widget */
if (widget->on_mousemotion != RT_NULL)
{
return widget->on_mousemotion(widget, event);
}
#endif
}
else return RT_TRUE;
#endif
break;
case RTGUI_EVENT_KBD:
/* we should dispatch key event firstly */
if (!(win->flag & RTGUI_WIN_FLAG_HANDLE_KEY))
{
rt_bool_t res = RT_FALSE;
/* we should dispatch the key event just once. Once entered the
* dispatch mode, we should swtich to key handling mode. */
win->flag |= RTGUI_WIN_FLAG_HANDLE_KEY;
/* dispatch the key event */
if (win->focused_widget != RT_NULL &&
RTGUI_OBJECT(win->focused_widget)->event_handler != RT_NULL)
res = RTGUI_OBJECT(win->focused_widget)->event_handler(
RTGUI_OBJECT(win->focused_widget), event);
/* if the focused widget doesn't handle it, I will handle it. */
if (res != RT_TRUE && win->on_key != RT_NULL)
res = win->on_key(RTGUI_OBJECT(win), event);
win->flag &= ~RTGUI_WIN_FLAG_HANDLE_KEY;
return res;
}
else
{
/* in key handling mode(it may reach here in
* win->focused_widget->event_handler call) */
if (win->on_key != RT_NULL)
return win->on_key(RTGUI_OBJECT(win), event);
}
break;
default:
/* call parent event handler */
return rtgui_toplevel_event_handler(object, event);
}
return RT_FALSE;
}
rt_bool_t rtgui_win_event_handler(struct rtgui_widget* widget, struct rtgui_event* event)
{
struct rtgui_win* win = (struct rtgui_win*)widget;
RT_ASSERT((win != RT_NULL) && (event != RT_NULL));
switch (event->type)
{
case RTGUI_EVENT_WIN_SHOW:
rtgui_win_show(win, RT_FALSE);
break;
case RTGUI_EVENT_WIN_HIDE:
rtgui_win_hiden(win);
break;
case RTGUI_EVENT_WIN_CLOSE:
if (win->on_close != RT_NULL)
{
if (win->on_close(widget, event) == RT_FALSE) return RT_TRUE;
}
if (win->style & RTGUI_WIN_STYLE_MODAL)
{
rtgui_win_end_modal(win, RTGUI_MODAL_CANCEL);
}
else
{
/* destroy window */
rtgui_win_destroy(win);
}
/* exit event loop */
return RT_TRUE;
case RTGUI_EVENT_WIN_MOVE:
{
struct rtgui_event_win_move* emove = (struct rtgui_event_win_move*)event;
/* move window */
rtgui_win_move(win, emove->x, emove->y);
}
break;
case RTGUI_EVENT_WIN_ACTIVATE:
if (RTGUI_WIDGET_IS_HIDE(RTGUI_WIDGET(win)))
{
/* activate a hide window */
return RT_TRUE;
}
win->style |= RTGUI_WIN_STYLE_ACTIVATE;
#ifndef RTGUI_USING_SMALL_SIZE
if (widget->on_draw != RT_NULL) widget->on_draw(widget, event);
else
#endif
rtgui_widget_update(RTGUI_WIDGET(win));
if (win->on_activate != RT_NULL)
{
win->on_activate(widget, event);
}
break;
case RTGUI_EVENT_WIN_DEACTIVATE:
if (win->style & RTGUI_WIN_STYLE_MODAL)
{
/* do not deactivate a modal win, re-send win-show event */
struct rtgui_event_win_show eshow;
RTGUI_EVENT_WIN_SHOW_INIT(&eshow);
eshow.wid = win;
rtgui_thread_send(RTGUI_TOPLEVEL(win)->server, RTGUI_EVENT(&eshow),
sizeof(struct rtgui_event_win_show));
}
else
{
win->style &= ~RTGUI_WIN_STYLE_ACTIVATE;
#ifndef RTGUI_USING_SMALL_SIZE
if (widget->on_draw != RT_NULL) widget->on_draw(widget, event);
else
#endif
rtgui_win_ondraw(win);
if (win->on_deactivate != RT_NULL)
{
win->on_deactivate(widget, event);
}
}
break;
case RTGUI_EVENT_PAINT:
#ifndef RTGUI_USING_SMALL_SIZE
if (widget->on_draw != RT_NULL) widget->on_draw(widget, event);
else
#endif
rtgui_win_ondraw(win);
break;
case RTGUI_EVENT_MOUSE_BUTTON:
if (win->style & RTGUI_WIN_STYLE_UNDER_MODAL)
{
if (win->modal_widget != RT_NULL)
return win->modal_widget->event_handler(win->modal_widget, event);
}
else if (rtgui_container_dispatch_mouse_event(RTGUI_CONTAINER(win),
(struct rtgui_event_mouse*)event) == RT_FALSE)
{
#ifndef RTGUI_USING_SMALL_SIZE
if (widget->on_mouseclick != RT_NULL)
{
return widget->on_mouseclick(widget, event);
}
#endif
}
break;
case RTGUI_EVENT_MOUSE_MOTION:
#if 0
if (rtgui_widget_dispatch_mouse_event(widget,
(struct rtgui_event_mouse*)event) == RT_FALSE)
{
#ifndef RTGUI_USING_SMALL_SIZE
/* handle event in current widget */
if (widget->on_mousemotion != RT_NULL)
{
return widget->on_mousemotion(widget, event);
}
#endif
}
else return RT_TRUE;
#endif
break;
case RTGUI_EVENT_KBD:
if (win->style & RTGUI_WIN_STYLE_UNDER_MODAL)
{
if (win->modal_widget != RT_NULL)
return win->modal_widget->event_handler(win->modal_widget, event);
}
else if (RTGUI_CONTAINER(win)->focused != widget)
{
RTGUI_CONTAINER(win)->focused->event_handler(RTGUI_CONTAINER(win)->focused, event);
}
break;
default:
/* call parent event handler */
return rtgui_toplevel_event_handler(widget, event);
}
return RT_FALSE;
}