add listbox example.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@698 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
bernard.xiong 2010-05-05 14:29:28 +00:00
parent 5ff323bdad
commit cfe7e91b95
3 changed files with 62 additions and 0 deletions

View File

@ -17,6 +17,7 @@ demo_view_label.c
demo_view_mywidget.c
demo_view_progressbar.c
demo_view_radiobox.c
demo_view_listbox.c
demo_view_slider.c
demo_view_textbox.c
demo_view_window.c

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@ -0,0 +1,60 @@
/*
* label控件演示
*
* view上添加几个不同类型的label控件
*/
#include "demo_view.h"
#include <rtgui/widgets/label.h>
#include <rtgui/widgets/listbox.h>
const static struct rtgui_listbox_item items[] =
{
{"list #0", RT_NULL},
{"list #1", RT_NULL},
{"list #2", RT_NULL},
{"list #3", RT_NULL},
};
static void on_items(rtgui_widget_t* widget, struct rtgui_event* event)
{
rtgui_listbox_t* box;
/* get listbox */
box = RTGUI_LISTBOX(widget);
/* 打印当前的项 */
rt_kprintf("current item: %d\n", box->current_item);
}
/* 创建用于演示label控件的视图 */
rtgui_view_t* demo_view_listbox(rtgui_workbench_t* workbench)
{
rtgui_rect_t rect;
rtgui_view_t* view;
rtgui_label_t* label;
rtgui_listbox_t* box;
/* 先创建一个演示用的视图 */
view = demo_view(workbench, "ListBox Demo");
/* 获得视图的位置信息 */
demo_view_get_rect(view, &rect);
rect.x1 += 5;
rect.x2 -= 5;
rect.y1 += 5;
rect.y2 = rect.y1 + 20;
/* 创建一个label控件 */
label = rtgui_label_create("listbox: ");
/* 设置label的位置 */
rtgui_widget_set_rect(RTGUI_WIDGET(label), &rect);
/* view是一个container控件调用add_child方法添加这个label控件 */
rtgui_container_add_child(RTGUI_CONTAINER(view), RTGUI_WIDGET(label));
rect.y1 = rect.y2 + 3;
rect.y2 = 250;
box = rtgui_listbox_create(items, sizeof(items)/sizeof(struct rtgui_listbox_item), &rect);
rtgui_listbox_set_onitem(box, on_items);
/* view是一个container控件调用add_child方法添加这个listbox控件 */
rtgui_container_add_child(RTGUI_CONTAINER(view), RTGUI_WIDGET(box));
return view;
}

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@ -62,6 +62,7 @@ static void workbench_entry(void* parameter)
demo_view_progressbar(workbench);
demo_view_radiobox(workbench);
demo_view_textbox(workbench);
demo_view_listbox(workbench);
demo_view_slider(workbench);
demo_view_mywidget(workbench);
demo_view_image(workbench);