116 lines
3.1 KiB
C
116 lines
3.1 KiB
C
/*
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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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#include <rtgui/widgets/window.h>
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#include <rtgui/widgets/list_view.h>
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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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#if RT_VERSION == 4
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static void listitem_action(rtgui_widget_t *widget, void* parameter)
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#else
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static void listitem_action(void* parameter)
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#endif
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{
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char label_text[32];
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rtgui_win_t *win;
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rtgui_label_t *label;
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rtgui_rect_t rect = {0, 0, 150, 80};
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int no = (int)parameter;
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rtgui_rect_moveto(&rect, 20, 50);
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/* 显示消息窗口 */
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win = rtgui_win_create(RTGUI_TOPLEVEL(workbench),
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"窗口", &rect, RTGUI_WIN_STYLE_DEFAULT);
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rect.x1 += 20;
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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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/* 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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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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/* 非模态显示窗口 */
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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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#if RT_VERSION == 4
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static void return_action(rtgui_widget_t* widget, void* parameter)
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#else
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static void return_action(void* parameter)
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#endif
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{
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rtgui_view_end_modal(RTGUI_VIEW(_view), RTGUI_MODAL_OK);
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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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{"列表项2", RT_NULL, listitem_action, (void*)2},
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{"列表项3", RT_NULL, listitem_action, (void*)3},
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{"列表项4", RT_NULL, listitem_action, (void*)4},
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{"列表项5", RT_NULL, listitem_action, (void*)5},
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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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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, RTGUI_LIST_VIEW_LIST);
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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_TRUE);
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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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/* 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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rtgui_view_t *view;
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rtgui_button_t* open_btn;
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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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rect.y1 += 30;
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rect.y2 = rect.y1 + 20;
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open_btn = rtgui_button_create("打开列表");
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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_button_set_onbutton(open_btn, open_btn_onbutton);
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return view;
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}
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