86 lines
2.2 KiB
C
86 lines
2.2 KiB
C
/*
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* 程序清单：DC上显示图像演示
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*
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* 这个例子会在创建出的view上显示图像
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*/
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#include "demo_view.h"
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#include <rtgui/widgets/button.h>
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#include <rtgui/widgets/filelist_view.h>
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#include <string.h>
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#ifdef RT_USING_MODULE
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static rt_module_t module = RT_NULL;
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static rtgui_view_t* _view = RT_NULL;
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/* 打开按钮的回调函数 */
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static void open_btn_onbutton(rtgui_widget_t* widget, struct rtgui_event* event)
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{
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rtgui_filelist_view_t *view;
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rtgui_workbench_t *workbench;
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rtgui_rect_t rect;
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/* 获得顶层的workbench */
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workbench = RTGUI_WORKBENCH(rtgui_widget_get_toplevel(widget));
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rtgui_widget_get_rect(RTGUI_WIDGET(workbench), &rect);
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/* WIN32平台上和真实设备上的初始路径处理 */
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#ifdef _WIN32
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view = rtgui_filelist_view_create(workbench, "d:\\", "*.*", &rect);
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#else
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view = rtgui_filelist_view_create(workbench, "/", "*.*", &rect);
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#endif
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/* 模态显示一个文件列表视图，以提供给用户选择图像文件 */
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if (rtgui_view_show(RTGUI_VIEW(view), RT_TRUE) == RTGUI_MODAL_OK)
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{
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char path[32], name[8];
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/* 设置文件路径的标签 */
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rtgui_filelist_view_get_fullpath(view, path, sizeof(path));
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#if 0
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if (module != RT_NULL)
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{
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rt_module_unload(module);
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module = RT_NULL;
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}
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#endif
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rt_memset(name, 0, sizeof(name));
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/* 获得图像的类型 */
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if (rt_strstr(path, ".mo") != RT_NULL)
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{
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memcpy(name, "mod", 4);
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}
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/* 如果图像文件有效，创建相应的rtgui_image对象 */
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if (name[0] != '\0')
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module = rt_module_load_from_file(name, path);
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}
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/* 删除 文件列表 视图 */
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rtgui_view_destroy(RTGUI_VIEW(view));
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rtgui_view_show(_view, RT_FALSE);
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}
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/* 创建用于显示应用模块的演示视图 */
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rtgui_view_t* demo_view_module(rtgui_workbench_t* workbench)
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{
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rtgui_rect_t rect;
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rtgui_button_t* open_btn;
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/* 先创建一个演示视图 */
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_view = demo_view(workbench, "应用模块演示");
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/* 添加一个按钮 */
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demo_view_get_rect(_view, &rect);
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rect.x1 += 5; rect.x2 = rect.x1 + 120;
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rect.y2 = rect.y1 + 20;
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open_btn = rtgui_button_create("打开应用模块");
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rtgui_container_add_child(RTGUI_CONTAINER(_view), RTGUI_WIDGET(open_btn));
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rtgui_widget_set_rect(RTGUI_WIDGET(open_btn), &rect);
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rtgui_button_set_onbutton(open_btn, open_btn_onbutton);
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return _view;
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}
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#endif
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