C++ (Cpp) rtgui_object_create Examples

Example #1

File: rtgui_app.c Project: 003900107/realboard-lpc4088

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;
}

Example #2

File: rtgui_app.c Project: zdgaoyu/RTGUI

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;
}