rt-thread/bsp/simulator/ui/ex_app.c

#include <rtthread.h>
#include <rtgui/rtgui_app.h>
#include <rtgui/widgets/window.h>
#include <rtgui/widgets/label.h>

void app1_entry(void* parameter)
{
    struct rtgui_app* application;
    struct rtgui_win* win;

    application = rtgui_app_create(rt_thread_self(), "ExApp1");
    if (application != RT_NULL)
    {
        struct rtgui_label *label;
        struct rtgui_box *box;

        box = rtgui_box_create(RTGUI_VERTICAL, 10);
        label = rtgui_label_create("Hello World");
        win = rtgui_mainwin_create(RT_NULL, "MainWin", RTGUI_WIN_STYLE_MAINWIN);
        rtgui_container_set_box(RTGUI_CONTAINER(win), box);
        rtgui_container_add_child(RTGUI_CONTAINER(win), RTGUI_WIDGET(label));
        rtgui_container_layout(RTGUI_CONTAINER(win));
        
        rtgui_win_show(win, RT_TRUE);

        rtgui_app_destroy(application);
    }
}

void app2_entry(void* parameter)
{
    struct rtgui_app* application;
    struct rtgui_win* win;

    application = rtgui_app_create(rt_thread_self(), "ExApp2");
    if (application != RT_NULL)
    {
        rtgui_rect_t rect = {220, 250, 400, 450};
        win = rtgui_win_create(RT_NULL, "Window #2", &rect, RTGUI_WIN_STYLE_DEFAULT);
        rtgui_win_show(win, RT_TRUE);

        rtgui_app_destroy(application);
    }
}

void app_init(void)
{
    rt_thread_t tid;

    tid = rt_thread_create("app1", app1_entry, RT_NULL, 2048, 20, 20);
    if (tid != RT_NULL)
        rt_thread_startup(tid);

    tid = rt_thread_create("app2", app2_entry, RT_NULL, 2048, 20, 20);
    if (tid != RT_NULL)
        rt_thread_startup(tid);
}