diff --git a/examples/gui/demo_view_module.c b/examples/gui/demo_view_module.c new file mode 100644 index 0000000000000000000000000000000000000000..69e62acce52f99c9ac0194c82be80ed079d1801e --- /dev/null +++ b/examples/gui/demo_view_module.c @@ -0,0 +1,83 @@ +/* + * 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 +#include +#include + +static rt_module_t module = RT_NULL; +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)); +#if 0 + if (module != RT_NULL) + { + rt_module_unload(module); + module = RT_NULL; + } +#endif + rt_memset(name, 0, sizeof(name)); + + /* 获得图像的类型 */ + if (rt_strstr(path, ".mo") != RT_NULL) + { + 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') + module = 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; +}