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- #include <rtgui/rtgui.h>
- #include <rtgui/widgets/view.h>
- #include <rtgui/widgets/button.h>
- #include <rtgui/widgets/workbench.h>
- #include <rtgui/widgets/staticline.h>
- /* 用于存放演示视图的数组,最多可创建32个演示视图 */
- static rtgui_view_t* demo_view_list[32];
- /* 当前演示视图索引 */
- static rt_uint16_t demo_view_current = 0;
- /* 总共包括的演示视图数目 */
- static rt_uint16_t demo_view_number = 0;
- /* 显示下一个演示视图 */
- void demo_view_next(struct rtgui_widget* widget, rtgui_event_t *event)
- {
- if (demo_view_current + 1< demo_view_number)
- {
- demo_view_current ++;
- rtgui_view_show(demo_view_list[demo_view_current], RT_FALSE);
- }
- }
- /* 显示前一个演示视图 */
- void demo_view_prev(struct rtgui_widget* widget, rtgui_event_t *event)
- {
- if (demo_view_current != 0)
- {
- demo_view_current --;
- rtgui_view_show(demo_view_list[demo_view_current], RT_FALSE);
- }
- }
- /* 创建一个演示视图,需提供父workbench和演示用的标题 */
- rtgui_view_t* demo_view(rtgui_workbench_t* workbench, const char* title)
- {
- struct rtgui_view* view;
- /* 设置视图的名称 */
- view = rtgui_view_create(title);
- if (view == RT_NULL) return RT_NULL;
- /* 创建成功后,添加到数组中 */
- demo_view_list[demo_view_number] = view;
- demo_view_number ++;
- /* 添加到父workbench中 */
- rtgui_workbench_add_view(workbench, view);
- /* 添加下一个视图和前一个视图按钮 */
- {
- struct rtgui_rect rect;
- struct rtgui_button *next_btn, *prev_btn;
- struct rtgui_label *label;
- struct rtgui_staticline *line;
- /* 获得视图的位置信息(在加入到workbench中时,workbench会自动调整视图的大小) */
- rtgui_widget_get_rect(RTGUI_WIDGET(view), &rect);
- rtgui_widget_rect_to_device(RTGUI_WIDGET(view), &rect);
- rect.x1 += 5;
- rect.y1 += 5;
- rect.x2 -= 5;
- rect.y2 = rect.y1 + 20;
- /* 创建标题用的标签 */
- label = rtgui_label_create(title);
- /* 设置标签位置信息 */
- rtgui_widget_set_rect(RTGUI_WIDGET(label), &rect);
- /* 添加标签到视图中 */
- rtgui_container_add_child(RTGUI_CONTAINER(view), RTGUI_WIDGET(label));
- rect.y1 += 20;
- rect.y2 += 20;
- /* 创建一个水平的staticline线 */
- line = rtgui_staticline_create(RTGUI_HORIZONTAL);
- /* 设置静态线的位置信息 */
- rtgui_widget_set_rect(RTGUI_WIDGET(line), &rect);
- /* 添加静态线到视图中 */
- rtgui_container_add_child(RTGUI_CONTAINER(view), RTGUI_WIDGET(line));
- /* 获得视图的位置信息 */
- rtgui_widget_get_rect(RTGUI_WIDGET(view), &rect);
- rtgui_widget_rect_to_device(RTGUI_WIDGET(view), &rect);
- rect.x2 -= 5;
- rect.y2 -= 5;
- rect.x1 = rect.x2 - 100;
- rect.y1 = rect.y2 - 25;
- /* 创建"下一个"按钮 */
- next_btn = rtgui_button_create("下一个");
- /* 设置onbutton动作到demo_view_next函数 */
- rtgui_button_set_onbutton(next_btn, demo_view_next);
- /* 设置按钮的位置信息 */
- rtgui_widget_set_rect(RTGUI_WIDGET(next_btn), &rect);
- /* 添加按钮到视图中 */
- rtgui_container_add_child(RTGUI_CONTAINER(view), RTGUI_WIDGET(next_btn));
- /* 获得视图的位置信息 */
- rtgui_widget_get_rect(RTGUI_WIDGET(view), &rect);
- rtgui_widget_rect_to_device(RTGUI_WIDGET(view), &rect);
- rect.x1 += 5;
- rect.y2 -= 5;
- rect.x2 = rect.x1 + 100;
- rect.y1 = rect.y2 - 25;
- /* 创建"上一个"按钮 */
- prev_btn = rtgui_button_create("上一个");
- /* 设置onbutton动作到demo_view_prev函数 */
- rtgui_button_set_onbutton(prev_btn, demo_view_prev);
- /* 设置按钮的位置信息 */
- rtgui_widget_set_rect(RTGUI_WIDGET(prev_btn), &rect);
- /* 添加按钮到视图中 */
- rtgui_container_add_child(RTGUI_CONTAINER(view), RTGUI_WIDGET(prev_btn));
- }
- /* 返回创建的视图 */
- return view;
- }
- /* 这个函数用于返回演示视图的对外可用区域 */
- void demo_view_get_rect(rtgui_view_t* view, rtgui_rect_t *rect)
- {
- RT_ASSERT(view != RT_NULL);
- RT_ASSERT(rect != RT_NULL);
- rtgui_widget_get_rect(RTGUI_WIDGET(view), rect);
- rtgui_widget_rect_to_device(RTGUI_WIDGET(view), rect);
- /* 去除演示标题和下方按钮的区域 */
- rect->y1 += 45;
- rect->y2 -= 35;
- }
- void demo_view_get_logic_rect(rtgui_view_t* view, rtgui_rect_t *rect)
- {
- RT_ASSERT(view != RT_NULL);
- RT_ASSERT(rect != RT_NULL);
- rtgui_widget_get_rect(RTGUI_WIDGET(view), rect);
- /* 去除演示标题和下方按钮的区域 */
- rect->y1 += 45;
- rect->y2 -= 35;
- }
- /* 当是标准版本时,这个函数用于返回自动布局引擎box控件 */
- #ifndef RTGUI_USING_SMALL_SIZE
- rtgui_box_t* demo_view_create_box(rtgui_view_t* view, int orient)
- {
- rtgui_rect_t rect;
- rtgui_box_t* box;
- /* 获得视图的位置信息 */
- rtgui_widget_get_rect(RTGUI_WIDGET(view), &rect);
- rect.y1 += 45;
- rect.y2 -= 25;
- /* 创建一个自动布局引擎 */
- box = rtgui_box_create(orient, &rect);
- /* 添加box控件到视图中 */
- rtgui_container_add_child(RTGUI_CONTAINER(view), RTGUI_WIDGET(box));
- return box;
- }
- #endif
- /* 这个函数用于显示当前的视图 */
- void demo_view_show()
- {
- if (demo_view_number != 0)
- {
- rtgui_view_show(demo_view_list[demo_view_current], RT_FALSE);
- }
- }
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