153 lines
4.8 KiB
C
153 lines
4.8 KiB
C
#include <rtgui/rtgui.h>
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#include <rtgui/widgets/view.h>
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#include <rtgui/widgets/button.h>
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#include <rtgui/widgets/workbench.h>
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#include <rtgui/widgets/staticline.h>
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/* 用于存放演示视图的数组，最多可创建32个演示视图 */
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static rtgui_view_t* demo_view_list[32];
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/* 当前演示视图索引 */
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static rt_uint16_t demo_view_current = 0;
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/* 总共包括的演示视图数目 */
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static rt_uint16_t demo_view_number = 0;
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/* 显示下一个演示视图 */
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void demo_view_next(struct rtgui_widget* widget, rtgui_event_t *event)
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{
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if (demo_view_current + 1< demo_view_number)
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{
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demo_view_current ++;
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rtgui_view_show(demo_view_list[demo_view_current], RT_FALSE);
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}
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}
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/* 显示前一个演示视图 */
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void demo_view_prev(struct rtgui_widget* widget, rtgui_event_t *event)
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{
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if (demo_view_current != 0)
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{
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demo_view_current --;
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rtgui_view_show(demo_view_list[demo_view_current], RT_FALSE);
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}
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}
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/* 创建一个演示视图，需提供父workbench和演示用的标题 */
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rtgui_view_t* demo_view(rtgui_workbench_t* workbench, const char* title)
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{
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char view_name[32];
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struct rtgui_view* view;
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/* 设置视图的名称 */
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rt_sprintf(view_name, "view %d", demo_view_number + 1);
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view = rtgui_view_create(view_name);
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if (view == RT_NULL) return RT_NULL;
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/* 创建成功后，添加到数组中 */
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demo_view_list[demo_view_number] = view;
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demo_view_number ++;
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/* 添加到父workbench中 */
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rtgui_workbench_add_view(workbench, view);
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/* 添加下一个视图和前一个视图按钮 */
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{
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struct rtgui_rect rect;
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struct rtgui_button *next_btn, *prev_btn;
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struct rtgui_label *label;
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struct rtgui_staticline *line;
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/* 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) */
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rtgui_widget_get_rect(RTGUI_WIDGET(view), &rect);
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rect.x1 += 5; rect.y1 += 5;
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rect.x2 -= 5; rect.y2 = rect.y1 + 20;
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/* 创建标题用的标签 */
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label = rtgui_label_create(title);
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/* 设置标签位置信息 */
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rtgui_widget_set_rect(RTGUI_WIDGET(label), &rect);
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/* 添加标签到视图中 */
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rtgui_container_add_child(RTGUI_CONTAINER(view), RTGUI_WIDGET(label));
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rect.y1 += 20; rect.y2 += 20;
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/* 创建一个水平的staticline线 */
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line = rtgui_staticline_create(RTGUI_HORIZONTAL);
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/* 设置静态线的位置信息 */
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rtgui_widget_set_rect(RTGUI_WIDGET(line), &rect);
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/* 添加静态线到视图中 */
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rtgui_container_add_child(RTGUI_CONTAINER(view), RTGUI_WIDGET(line));
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/* 获得视图的位置信息 */
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rtgui_widget_get_rect(RTGUI_WIDGET(view), &rect);
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rect.x2 -= 5; rect.y2 -= 5;
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rect.x1 = rect.x2 - 50; rect.y1 = rect.y2 - 20;
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/* 创建"下一个"按钮 */
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next_btn = rtgui_button_create("Next");
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/* 设置onbutton动作到demo_view_next函数 */
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rtgui_button_set_onbutton(next_btn, demo_view_next);
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/* 设置按钮的位置信息 */
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rtgui_widget_set_rect(RTGUI_WIDGET(next_btn), &rect);
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/* 添加按钮到视图中 */
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rtgui_container_add_child(RTGUI_CONTAINER(view), RTGUI_WIDGET(next_btn));
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/* 获得视图的位置信息 */
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rtgui_widget_get_rect(RTGUI_WIDGET(view), &rect);
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rect.x1 += 5; rect.y2 -= 5;
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rect.x2 = rect.x1 + 50; rect.y1 = rect.y2 - 20;
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/* 创建"上一个"按钮 */
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prev_btn = rtgui_button_create("Prev");
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/* 设置onbutton动作到demo_view_prev函数 */
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rtgui_button_set_onbutton(prev_btn, demo_view_prev);
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/* 设置按钮的位置信息 */
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rtgui_widget_set_rect(RTGUI_WIDGET(prev_btn), &rect);
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/* 添加按钮到视图中 */
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rtgui_container_add_child(RTGUI_CONTAINER(view), RTGUI_WIDGET(prev_btn));
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}
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/* 返回创建的视图 */
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return view;
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}
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/* 这个函数用于返回演示视图的对外可用区域 */
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void demo_view_get_rect(rtgui_view_t* view, rtgui_rect_t *rect)
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{
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RT_ASSERT(view != RT_NULL);
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RT_ASSERT(rect != RT_NULL);
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rtgui_widget_get_rect(RTGUI_WIDGET(view), rect);
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/* 去除演示标题和下方按钮的区域 */
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rect->y1 += 45;
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rect->y2 -= 25;
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}
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/* 当是标准版本时，这个函数用于返回自动布局引擎box控件 */
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#ifndef RTGUI_USING_SMALL_SIZE
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rtgui_box_t* demo_view_create_box(rtgui_view_t* view, int orient)
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{
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rtgui_rect_t rect;
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rtgui_box_t* box;
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/* 获得视图的位置信息 */
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rtgui_widget_get_rect(RTGUI_WIDGET(view), &rect);
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rect.y1 += 45;
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rect.y2 -= 25;
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/* 创建一个自动布局引擎 */
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box = rtgui_box_create(orient, &rect);
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/* 添加box控件到视图中 */
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rtgui_container_add_child(RTGUI_CONTAINER(view), RTGUI_WIDGET(box));
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return box;
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}
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#endif
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/* 这个函数用于显示当前的视图 */
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void demo_view_show()
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{
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if (demo_view_number != 0)
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{
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rtgui_view_show(demo_view_list[demo_view_current], RT_FALSE);
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}
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}
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