add Chinese Comments
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@486 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
bernard.xiong
parent
b437fc5924
commit
a76c7b3d3e
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@ -1,31 +1,43 @@
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/*
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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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/* create a file list view */
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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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/* set label */
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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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@ -33,6 +45,7 @@ static void open_btn_onbutton(rtgui_widget_t* widget, struct rtgui_event* event)
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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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@ -40,25 +53,31 @@ rtgui_view_t* demo_fn_view(rtgui_workbench_t* workbench)
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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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@ -1,3 +1,9 @@
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/*
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* 程序清单：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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@ -8,6 +14,7 @@ static rtgui_workbench_t* workbench = RT_NULL;
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static rtgui_list_view_t* _view = RT_NULL;
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static rtgui_image_t* return_image = RT_NULL;
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/* 列表项的动作函数 */
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static void listitem_action(void* parameter)
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{
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char label_text[32];
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@ -27,6 +34,7 @@ static void listitem_action(void* parameter)
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rect.y1 += 5;
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rect.y2 = rect.y1 + 20;
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/* 添加相应的标签 */
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rt_sprintf(label_text, "动作 %d", no);
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label = rtgui_label_create(label_text);
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@ -37,15 +45,18 @@ static void listitem_action(void* parameter)
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rtgui_win_show(win, RT_FALSE);
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}
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/* 返回功能的动作函数 */
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static void return_action(void* parameter)
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{
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if (_view != RT_NULL)
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{
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/* 删除列表视图 */
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rtgui_view_destroy(RTGUI_VIEW(_view));
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_view = RT_NULL;
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}
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}
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/* 各个列表项定义 */
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static struct rtgui_list_item items[] =
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{
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{"列表项1", RT_NULL, listitem_action, (void*)1},
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@ -56,22 +67,26 @@ static struct rtgui_list_item items[] =
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{"返回", RT_NULL, return_action, RT_NULL},
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};
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/* 打开列表视图用的按钮触发函数 */
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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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/* create a file list view */
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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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/* 创建一个列表视图， 项指定为items */
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_view = rtgui_list_view_create(items, sizeof(items)/sizeof(struct rtgui_list_item),
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&rect);
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/* 在workbench中添加相应的视图 */
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rtgui_workbench_add_view(workbench, RTGUI_VIEW(_view));
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/* 模式显示视图 */
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rtgui_view_show(RTGUI_VIEW(_view), RT_FALSE);
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}
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/* 创建用于演示列表视图的视图 */
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rtgui_view_t* demo_listview_view(rtgui_workbench_t* workbench)
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{
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rtgui_rect_t rect;
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@ -80,6 +95,7 @@ rtgui_view_t* demo_listview_view(rtgui_workbench_t* workbench)
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view = demo_view(workbench, "列表视图演示");
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/* 添加动作按钮 */
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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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@ -1,10 +1,20 @@
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/*
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* 程序清单：DC操作演示
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*
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* 这个例子会在创建出的view上进行DC操作的演示
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*/
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#include "demo_view.h"
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#include <rtgui/rtgui_system.h>
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#include <rtgui/widgets/label.h>
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#include <rtgui/widgets/slider.h>
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/*
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* view的事件处理函数
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*/
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rt_bool_t dc_event_handler(rtgui_widget_t* widget, rtgui_event_t *event)
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{
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/* 仅对PAINT事件进行处理 */
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if (event->type == RTGUI_EVENT_PAINT)
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{
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struct rtgui_dc* dc;
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@ -12,22 +22,27 @@ rt_bool_t dc_event_handler(rtgui_widget_t* widget, rtgui_event_t *event)
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rt_uint32_t vx[] = {20, 50, 60, 45, 60, 20};
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rt_uint32_t vy[] = {150, 50, 90, 60, 45, 50};
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/* 因为用的是demo view，上面本身有一部分控件，所以在绘图时先要让demo view先绘图 */
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/*
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* 因为用的是demo view，上面本身有一部分控件，所以在绘图时先要让demo view
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* 先绘图
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*/
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rtgui_view_event_handler(widget, event);
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/************************************************************************/
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/* 下面的是DC的处理 */
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/* 下面的是DC的操作 */
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/************************************************************************/
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/* 获得控件所属的DC */
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dc = rtgui_dc_begin_drawing(widget);
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if (dc == RT_NULL) /* 如果不能正常获得DC，返回（如果控件或父控件是隐藏状态，DC是获取不成功的） */
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/* 如果不能正常获得DC，返回（如果控件或父控件是隐藏状态，DC是获取不成功的） */
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if (dc == RT_NULL)
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return RT_FALSE;
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/* 获得demo view允许绘图的区域 */
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demo_view_get_rect(RTGUI_VIEW(widget), &rect);
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rtgui_dc_set_textalign(dc, RTGUI_ALIGN_BOTTOM | RTGUI_ALIGN_CENTER_HORIZONTAL);
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/* 显示GUI的版本信息 */
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#ifdef RTGUI_USING_SMALL_SIZE
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rtgui_dc_draw_text(dc, "RT-Thread/GUI小型版本", &rect);
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#else
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@ -109,24 +124,27 @@ rt_bool_t dc_event_handler(rtgui_widget_t* widget, rtgui_event_t *event)
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rect.y1 += 20;
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rect.y2 += 20;
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}
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/* 绘图完成 */
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rtgui_dc_end_drawing(dc);
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}
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else
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{
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/* 调用默认的事件处理函数 */
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/* 其他事件，调用默认的事件处理函数 */
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return rtgui_view_event_handler(widget, event);
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}
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return RT_FALSE;
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}
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/* 创建用于DC操作演示用的视图 */
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rtgui_view_t *demo_view_dc(rtgui_workbench_t* workbench)
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{
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rtgui_view_t *view;
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view = demo_view(workbench, "DC Demo");
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if (view != RT_NULL)
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/* 设置成自己的事件处理函数 */
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rtgui_widget_set_event_handler(RTGUI_WIDGET(view), dc_event_handler);
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return view;
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@ -1,3 +1,9 @@
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/*
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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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static rtgui_image_t* image = 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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/* create a file list view */
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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], image_type[8];
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/* set label */
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/* 设置文件路径的标签 */
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rtgui_filelist_get_fullpath(view, path, sizeof(path));
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if (image != RT_NULL) rtgui_image_destroy(image);
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rt_strstr(path, ".HDC") != RT_NULL)
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strcat(image_type, "hdc");
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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 (image_type[0] != '\0')
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image = rtgui_image_create_from_file(image_type, path, RT_TRUE);
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}
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rtgui_view_show(_view, RT_FALSE);
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}
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/* 演示视图的事件处理函数 */
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static rt_bool_t demo_view_event_handler(rtgui_widget_t* widget, rtgui_event_t *event)
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{
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rt_bool_t result;
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/* 用默认的事件处理函数 */
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/* 先调用默认的事件处理函数(这里只关心PAINT事件，但演示视图还有本身的一些控件) */
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result = rtgui_view_event_handler(widget, event);
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if (event->type == RTGUI_EVENT_PAINT)
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/* 获得控件所属的DC */
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dc = rtgui_dc_begin_drawing(widget);
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if (dc == RT_NULL) /* 如果不能正常获得DC，返回（如果控件或父控件是隐藏状态，DC是获取不成功的） */
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if (dc == RT_NULL)
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/* 如果不能正常获得DC，返回(如果控件或父控件是隐藏状态，DC是获取不成功的) */
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return RT_FALSE;
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/* 获得demo view允许绘图的区域 */
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return result;
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}
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/* 创建用于显示图像的演示视图 */
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rtgui_view_t* demo_view_image(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, "图像演示");
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if (_view != RT_NULL)
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/* 设置默认的事件处理函数到demo_view_event_handler函数 */
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rtgui_widget_set_event_handler(RTGUI_WIDGET(_view), demo_view_event_handler);
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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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@ -1,3 +1,9 @@
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/*
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* 程序清单：窗口演示
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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不同的模式创建窗口
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*/
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#include <rtgui/rtgui.h>
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#include <rtgui/rtgui_system.h>
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#include <rtgui/widgets/window.h>
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@ -79,6 +85,7 @@ static void demo_win_onbutton(struct rtgui_widget* widget, rtgui_event_t* event)
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rect.y1 += 5;
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rect.y2 = rect.y1 + 20;
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/* 添加一个文本标签 */
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label = rtgui_label_create("ŐâĘÇŇť¸öĆŐͨ´°żÚ");
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rtgui_widget_set_rect(RTGUI_WIDGET(label), &rect);
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rtgui_container_add_child(RTGUI_CONTAINER(win), RTGUI_WIDGET(label));
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@ -91,10 +98,7 @@ static void demo_win_onbutton(struct rtgui_widget* widget, rtgui_event_t* event)
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static void demo_autowin_onbutton(struct rtgui_widget* widget, rtgui_event_t* event)
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{
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rtgui_toplevel_t *parent;
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struct rtgui_rect rect =
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{
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50, 50, 200, 200
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};
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struct rtgui_rect rect ={50, 50, 200, 200};
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parent = RTGUI_TOPLEVEL(rtgui_widget_get_toplevel(widget));
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msgbox = rtgui_win_create(parent, "Information", &rect, RTGUI_WIN_STYLE_DEFAULT);
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