rt-thread-official/examples/gui/demo_view_module.c

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/*
* 程序清单DC上显示图像演示
*
* 这个例子会在创建出的view上显示图像
*/
#include "demo_view.h"
#include <rtgui/widgets/button.h>
#include <rtgui/widgets/filelist_view.h>
#include <string.h>
#ifdef RT_USING_MODULE
static rtgui_view_t* _view = RT_NULL;
/* 打开按钮的回调函数 */
static void open_btn_onbutton(rtgui_widget_t* widget, struct rtgui_event* event)
{
rtgui_filelist_view_t *view;
rtgui_workbench_t *workbench;
rtgui_rect_t rect;
/* 获得顶层的workbench */
workbench = RTGUI_WORKBENCH(rtgui_widget_get_toplevel(widget));
rtgui_widget_get_rect(RTGUI_WIDGET(workbench), &rect);
/* WIN32平台上和真实设备上的初始路径处理 */
#ifdef _WIN32
view = rtgui_filelist_view_create(workbench, "d:\\", "*.*", &rect);
#else
view = rtgui_filelist_view_create(workbench, "/", "*.*", &rect);
#endif
/* 模态显示一个文件列表视图,以提供给用户选择图像文件 */
if (rtgui_view_show(RTGUI_VIEW(view), RT_TRUE) == RTGUI_MODAL_OK)
{
char path[32], name[8];
/* 设置文件路径的标签 */
rtgui_filelist_view_get_fullpath(view, path, sizeof(path));
rt_memset(name, 0, sizeof(name));
/* 获得应用模块的类型 */
if (rt_strstr(path, ".mo") != RT_NULL || rt_strstr(path, ".so") != RT_NULL)
{
rt_module_open(path);
}
}
/* 删除 文件列表 视图 */
rtgui_view_destroy(RTGUI_VIEW(view));
rtgui_view_show(_view, RT_FALSE);
}
/* 创建用于显示应用模块的演示视图 */
rtgui_view_t* demo_view_module(rtgui_workbench_t* workbench)
{
rtgui_rect_t rect;
rtgui_button_t* open_btn;
/* 先创建一个演示视图 */
_view = demo_view(workbench, "应用模块演示");
/* 添加一个按钮 */
demo_view_get_rect(_view, &rect);
rect.x1 += 5; rect.x2 = rect.x1 + 120;
rect.y2 = rect.y1 + 20;
open_btn = rtgui_button_create("打开应用模块");
rtgui_container_add_child(RTGUI_CONTAINER(_view), RTGUI_WIDGET(open_btn));
rtgui_widget_set_rect(RTGUI_WIDGET(open_btn), &rect);
rtgui_button_set_onbutton(open_btn, open_btn_onbutton);
return _view;
}
#endif