rt-thread/examples/gui/demo_view_menu.c

/*
 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>嵥<EFBFBD><EFBFBD>menu<EFBFBD>ؼ<EFBFBD><EFBFBD><EFBFBD>ʾ
 *
 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӻ<EFBFBD><EFBFBD>ڴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>container<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬ<EFBFBD><EFBFBD><EFBFBD>͵<EFBFBD>label<EFBFBD>ؼ<EFBFBD>
 */
#include "demo_view.h"
#include <rtgui/widgets/menu.h>
#include <rtgui/widgets/button.h>

static rt_bool_t _onmenuitem(struct rtgui_object *object, struct rtgui_event *event)
{
    rt_kprintf("menu action!!\n");
    return RT_TRUE;
}

static const rtgui_menu_item_t sub_items[] =
{
    {RTGUI_ITEM_NORMAL, "item #1", RT_NULL, RT_NULL, 0, _onmenuitem},
    {RTGUI_ITEM_NORMAL, "item #2", RT_NULL, RT_NULL, 0, RT_NULL},
    {RTGUI_ITEM_SEPARATOR, RT_NULL, RT_NULL, RT_NULL, 0, RT_NULL},
    {RTGUI_ITEM_NORMAL, "item #3", RT_NULL, RT_NULL, 0, RT_NULL},
};
static const rtgui_menu_item_t items[] =
{
    {RTGUI_ITEM_NORMAL, "item #1", RT_NULL, RT_NULL, 0, RT_NULL},
    {RTGUI_ITEM_NORMAL, "item #2", RT_NULL, RT_NULL, 0, RT_NULL},
    {RTGUI_ITEM_SEPARATOR, RT_NULL, RT_NULL, RT_NULL, 0, RT_NULL},
    {
        RTGUI_ITEM_SUBMENU, "item #3", RT_NULL,
        (struct rtgui_menu_item_t *)sub_items,
        sizeof(sub_items) / sizeof(sub_items[0]), RT_NULL
    },
};
static rtgui_menu_t *menu;

static rt_bool_t _onmenu(struct rtgui_object *object, struct rtgui_event *event)
{
    rtgui_rect_t rect;

    rtgui_widget_get_rect(RTGUI_WIDGET(object), &rect);
    rtgui_widget_rect_to_device(RTGUI_WIDGET(object), &rect);

    if (menu != RT_NULL)
        rtgui_menu_pop(menu, rect.x1, rect.y2 + 5);

    return RT_TRUE;
}

/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾmenu<6E>ؼ<EFBFBD><D8BC><EFBFBD><EFBFBD><EFBFBD>ͼ */
rtgui_container_t *demo_view_menu(void)
{
    rtgui_rect_t rect;
    rtgui_container_t *container;
    rtgui_button_t *button;

    /* <20>ȴ<EFBFBD><C8B4><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>ʾ<EFBFBD>õ<EFBFBD><C3B5><EFBFBD>ͼ */
    container = demo_view("MENU View");

    /* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC>λ<EFBFBD><CEBB><EFBFBD><EFBFBD>Ϣ */
    demo_view_get_rect(container, &rect);
    rect.x1 += 5;
    rect.x2 = rect.x1 + 100;
    rect.y1 += 5;
    rect.y2 = rect.y1 + 20;
    /* <20><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>button<6F>ؼ<EFBFBD> */
    button = rtgui_button_create("Pop Menu");
    /* <20><><EFBFBD><EFBFBD>button<6F><6E>λ<EFBFBD><CEBB> */
    rtgui_widget_set_rect(RTGUI_WIDGET(button), &rect);
    /* container<65><72>һ<EFBFBD><D2BB>container<65>ؼ<EFBFBD><D8BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>add_child<6C><64><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>button<6F>ؼ<EFBFBD> */
    rtgui_container_add_child(container, RTGUI_WIDGET(button));
    rtgui_button_set_onbutton(button, _onmenu);

    menu = rtgui_menu_create("Menu Test", RT_NULL, items, sizeof(items) / sizeof(items[0]));

    return container;
}