struct rtgui_app *rtgui_app_create(const char *title)
{
rt_thread_t tid = rt_thread_self();
struct rtgui_app *app;
struct rtgui_app *srv_app;
struct rtgui_event_application event;
char mq_name[RT_NAME_MAX];
RT_ASSERT(tid != RT_NULL);
RT_ASSERT(title != RT_NULL);
/* create application */
app = RTGUI_APP(rtgui_object_create(RTGUI_APP_TYPE));
if (app == RT_NULL)
return RT_NULL;
/* one thread only can create one rtgui application */
RT_ASSERT(tid->user_data == 0);
app->tid = tid;
rt_snprintf(mq_name, RT_NAME_MAX, "g%s", title);
app->mq = rt_mq_create(mq_name, sizeof(union rtgui_event_generic), 32, RT_IPC_FLAG_FIFO);
if (app->mq == RT_NULL)
{
rt_kprintf("create msgq failed.\n");
goto __mq_err;
}
/* set application title */
app->name = (unsigned char *)rt_strdup((char *)title);
if (app->name == RT_NULL)
goto __err;
/* the first app should be the server */
srv_app = rtgui_get_server();
if (srv_app == RT_NULL)
{
/* set user thread */
tid->user_data = (rt_uint32_t)app;
return app;
}
RTGUI_EVENT_APP_CREATE_INIT(&event);
event.app = app;
/* notify rtgui server to one application has been created */
if (rtgui_send_sync(srv_app, RTGUI_EVENT(&event), sizeof(event)) == RT_EOK)
{
/* set user thread */
tid->user_data = (rt_uint32_t)app;
return app;
}
__err:
__mq_err:
rtgui_object_destroy(RTGUI_OBJECT(app));
return RT_NULL;
}
struct rtgui_app* rtgui_app_create(
rt_thread_t tid,
const char *title)
{
rt_thread_t srv_tid;
struct rtgui_app *app;
struct rtgui_event_application event;
RT_ASSERT(tid != RT_NULL);
RT_ASSERT(title != RT_NULL);
/* create application */
app = RTGUI_APP(rtgui_object_create(RTGUI_APP_TYPE));
if (app == RT_NULL)
return RT_NULL;
/* one thread only can create one rtgui application */
RT_ASSERT(tid->user_data == 0);
app->tid = tid;
/* set user thread */
tid->user_data = (rt_uint32_t)app;
app->mq = rt_mq_create("rtgui", sizeof(union rtgui_event_generic), 32, RT_IPC_FLAG_FIFO);
if (app->mq == RT_NULL)
{
rt_kprintf("create msgq failed.\n");
goto __mq_err;
}
/* set application title */
app->name = (unsigned char*)rt_strdup((char*)title);
if (app->name == RT_NULL)
goto __err;
/* send a message to notify rtgui server */
srv_tid = rtgui_get_server();
if (srv_tid == RT_NULL)
{
rt_kprintf("gui server is not running.\n");
goto __err;
}
/* create the rtgui server application */
if (srv_tid == rt_thread_self())
return app;
RTGUI_EVENT_APP_CREATE_INIT(&event);
event.app = app;
/* notify rtgui server to one application has been created */
if (rtgui_send_sync(srv_tid, RTGUI_EVENT(&event), sizeof(event)) == RT_EOK)
{
return app;
}
__err:
__mq_err:
rtgui_object_destroy(RTGUI_OBJECT(app));
tid->user_data = 0;
return RT_NULL;
}