79 lines
2.1 KiB
C
79 lines
2.1 KiB
C
/*
|
||
* 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));
|
||
|
||
/* 获得图像的类型 */
|
||
if (rt_strstr(path, ".mo") != RT_NULL || rt_strstr(path, ".so") != RT_NULL)
|
||
{
|
||
rt_memcpy(name, "mod", 4);
|
||
}
|
||
|
||
/* 如果图像文件有效,创建相应的rtgui_image对象 */
|
||
if (name[0] != '\0')
|
||
rt_module_load_from_file(name, 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
|