add combobox and listctrl example.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1194 bbd45198-f89e-11dd-88c7-29a3b14d5316

examples/gui/demo_view_combobox.c

@@ -6,7 +6,7 @@
 #include "demo_view.h"
 #include <rtgui/widgets/combobox.h>
 
-struct rtgui_combobox_item items[] = 
+struct rtgui_listbox_item items[] = 
 {
 	{"item 1", RT_NULL},
 	{"item 2", RT_NULL},

examples/gui/demo_view_listctrl.c

+/*
+ * 程序清单：label控件演示
+ *
+ * 这个例子会在创建出的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/listctrl.h>
+
+const static struct list_item
+{
+	const char* name;
+	const char* gender;
+	int age;
+	rtgui_image_t* image;
+} items[] = 
+{
+	{"bernard", "男", 30, RT_NULL},
+	{"司马光", "男", 1024, RT_NULL},
+	{"妖姬", "妖", 28, RT_NULL},
+};
+
+void _rtgui_listctrl_item_draw(struct rtgui_listctrl *list, struct rtgui_dc* dc, rtgui_rect_t* rect, rt_uint16_t index)
+{
+	char age_str[8];
+	rtgui_rect_t item_rect;
+	struct list_item *items, *item;
+
+	item_rect = *rect;
+	item_rect.x1 += 5;
+	items = (struct list_item*)list->items;
+	item = &items[index];
+
+	if (item->image != RT_NULL)
+	{
+		rtgui_image_blit(item->image, dc, &item_rect);
+		item_rect.x1 += item->image->w + 3;
+	}
+
+	/* draw text */
+	rtgui_dc_draw_text(dc, item->name, &item_rect); item_rect.x1 += 80;
+	rtgui_dc_draw_vline(dc, item_rect.x1, item_rect.y1, item_rect.y2);
+	item_rect.x1 += 5;
+	rtgui_dc_draw_text(dc, item->gender, &item_rect); item_rect.x1 += 80;
+	rtgui_dc_draw_vline(dc, item_rect.x1, item_rect.y1, item_rect.y2);
+	item_rect.x1 += 5;
+	rt_snprintf(age_str, sizeof(age_str), "%d", item->age);
+	rtgui_dc_draw_text(dc, age_str, &item_rect);
+}
+
+static void on_items(rtgui_widget_t* widget, struct rtgui_event* event)
+{
+	rtgui_listctrl_t* ctrl;
+	/* get listctrl */
+	ctrl = RTGUI_LISTCTRL(widget);
+
+	/* 打印当前的项 */
+	rt_kprintf("current item: %d\n", ctrl->current_item);
+}
+
+/* 创建用于演示label控件的视图 */
+rtgui_view_t* demo_view_listctrl(rtgui_workbench_t* workbench)
+{
+	rtgui_rect_t rect;
+	rtgui_view_t* view;
+	rtgui_label_t* label;
+	rtgui_listctrl_t* box;
+
+	/* 先创建一个演示用的视图 */
+	view = demo_view(workbench, "List Control 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("List Control: ");
+	/* 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_listctrl_create((rt_uint32_t)items, sizeof(items)/sizeof(items[0]), &rect,
+		_rtgui_listctrl_item_draw);
+	rtgui_listctrl_set_onitem(box, on_items);
+	/* view是一个container控件，调用add_child方法添加这个listctrl控件 */
+	rtgui_container_add_child(RTGUI_CONTAINER(view), RTGUI_WIDGET(box));
+
+	return view;
+}