89 lines
2.5 KiB
C
89 lines
2.5 KiB
C
/*
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* 程序清单：文件列表视图演示
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*
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* 这个例子会先创建出一个演示用的view，当点击上面的按钮时会按照模式显示的形式显示
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* 新的文件列表视图。
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*/
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#include "demo_view.h"
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#include <rtgui/widgets/label.h>
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#include <rtgui/widgets/button.h>
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#include <rtgui/widgets/filelist_view.h>
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/* 用于显示选择文件名的文本标签 */
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static rtgui_label_t* label;
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/* 触发文件列表视图的按钮回调函数 */
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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对象 */
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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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/* 针对Win32平台和其他平台做的不同的其实目录位置 */
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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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/* 采用模式形式显示文件列表视图 */
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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];
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/* 在文件列表视图中成功选择文件，这里获得相应的路径名 */
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rtgui_filelist_get_fullpath(view, path, sizeof(path));
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/* 设置文件路径到文本标签 */
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rtgui_label_set_text(label, 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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}
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/* 创建用于演示文件列表视图的视图 */
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rtgui_view_t* demo_fn_view(rtgui_workbench_t* workbench)
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{
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rtgui_rect_t rect;
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rtgui_view_t* view;
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rtgui_button_t* open_btn;
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rtgui_font_t* font;
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/* 默认采用12字体的显示 */
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font = rtgui_font_refer("asc", 12);
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/* 创建演示用的视图 */
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view = demo_view(workbench, "FileList View");
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/* 获得演示视图的位置信息 */
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demo_view_get_rect(view, &rect);
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rect.x1 += 5;
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rect.x2 -= 5;
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rect.y1 += 5;
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rect.y2 = rect.y1 + 20;
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/* 创建显示文件路径用的文本标签 */
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label = rtgui_label_create("fn: ");
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rtgui_container_add_child(RTGUI_CONTAINER(view), RTGUI_WIDGET(label));
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rtgui_widget_set_rect(RTGUI_WIDGET(label), &rect);
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RTGUI_WIDGET_FONT(RTGUI_WIDGET(label)) = font;
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/* 获得演示视图的位置信息 */
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demo_view_get_rect(view, &rect);
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rect.x1 += 5;
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rect.x2 = rect.x1 + 80;
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rect.y1 += 30;
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rect.y2 = rect.y1 + 20;
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/* 创建按钮以触发一个新的文件列表视图 */
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open_btn = rtgui_button_create("Open File");
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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_WIDGET_FONT(RTGUI_WIDGET(open_btn)) = font;
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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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