rt_inline void _rtgui_application_event_loop(struct rtgui_app *app)
{
rt_err_t result;
rt_uint16_t current_ref;
struct rtgui_event *event;
_rtgui_application_check(app);
/* point to event buffer */
event = (struct rtgui_event*)app->event_buffer;
current_ref = ++app->ref_count;
while (current_ref <= app->ref_count)
{
RT_ASSERT(current_ref == app->ref_count);
if (app->on_idle != RT_NULL)
{
result = rtgui_recv_nosuspend(event, sizeof(union rtgui_event_generic));
if (result == RT_EOK)
RTGUI_OBJECT(app)->event_handler(RTGUI_OBJECT(app), event);
else if (result == -RT_ETIMEOUT)
app->on_idle(RTGUI_OBJECT(app), RT_NULL);
}
else
{
result = rtgui_recv(event, sizeof(union rtgui_event_generic));
if (result == RT_EOK)
RTGUI_OBJECT(app)->event_handler(RTGUI_OBJECT(app), event);
}
}
}
void rtgui_app_destroy(struct rtgui_app *app)
{
rt_thread_t srv_tid;
_rtgui_application_check(app);
if (!(app->state_flag & RTGUI_APP_FLAG_EXITED))
{
rt_kprintf("cannot destroy a running application: %s.\n",
app->name);
return;
}
/* send a message to notify rtgui server */
srv_tid = rtgui_get_server();
if (srv_tid != rt_thread_self()) /* must not the server thread */
{
struct rtgui_event_application event;
RTGUI_EVENT_APP_DESTROY_INIT(&event);
event.app = app;
if (rtgui_send_sync(srv_tid, RTGUI_EVENT(&event), sizeof(event)) != RT_EOK)
{
rt_kprintf("destroy an application in server failed\n");
return ;
}
}
app->tid->user_data = 0;
rt_mq_delete(app->mq);
rtgui_object_destroy(RTGUI_OBJECT(app));
}
rt_base_t rtgui_app_run(struct rtgui_app *app)
{
_rtgui_application_check(app);
app->state_flag &= ~RTGUI_APP_FLAG_EXITED;
_rtgui_application_event_loop(app);
if (app->ref_count == 0)
app->state_flag |= RTGUI_APP_FLAG_EXITED;
return app->exit_code;
}
/**
* set this application as window manager
*/
rt_err_t rtgui_app_set_as_wm(struct rtgui_app *app)
{
struct rtgui_app *srv_app;
struct rtgui_event_set_wm event;
_rtgui_application_check(app);
srv_app = rtgui_get_server();
if (srv_app != RT_NULL)
{
/* notify rtgui server, this is a window manager */
RTGUI_EVENT_SET_WM_INIT(&event);
event.app = app;
rtgui_send_sync(srv_app, RTGUI_EVENT(&event), sizeof(event));
return RT_EOK;
}
return RT_ERROR;
}
void rtgui_app_set_main_win(struct rtgui_app *app, struct rtgui_win *win)
{
_rtgui_application_check(app);
app->main_object = RTGUI_OBJECT(win);
}
rtgui_idle_func_t rtgui_app_get_onidle(struct rtgui_app *app)
{
_rtgui_application_check(app);
return app->on_idle;
}
void rtgui_app_set_onidle(struct rtgui_app *app, rtgui_idle_func_t onidle)
{
_rtgui_application_check(app);
app->on_idle = onidle;
}
