static void rtgui_radiobox_onmouse(struct rtgui_radiobox *radiobox, struct rtgui_event_mouse *event)
{
RT_ASSERT(radiobox != RT_NULL);
RT_ASSERT(event != RT_NULL);
/* widget is hide, return */
if (RTGUI_WIDGET_IS_HIDE(radiobox) ||
!RTGUI_WIDGET_IS_ENABLE(radiobox)) return;
if (event->button & RTGUI_MOUSE_BUTTON_DOWN &&
event->button & RTGUI_MOUSE_BUTTON_LEFT)
{
int bord_size;
struct rtgui_rect rect;
/* focus widgets */
rtgui_widget_focus(RTGUI_WIDGET(radiobox));
/* get widget physical rect */
rtgui_widget_get_rect(RTGUI_WIDGET(radiobox), &rect);
rtgui_widget_rect_to_device(RTGUI_WIDGET(radiobox), &rect);
/* get board size */
if (radiobox->orient == RTGUI_VERTICAL)
bord_size = radiobox->item_size;
else
{
struct rtgui_rect bord_rect;
rtgui_font_get_metrics(RTGUI_WIDGET_FONT(radiobox), "H", &bord_rect);
bord_size = rtgui_rect_height(bord_rect);
}
rtgui_rect_inflate(&rect, - bord_size);
if (rtgui_rect_contains_point(&rect, event->x, event->y) != RT_EOK) return;
if (radiobox->orient == RTGUI_VERTICAL)
{
int delta_y = event->y - rect.y1;
rtgui_radiobox_set_selection(radiobox, delta_y / radiobox->item_size);
}
else
{
int delta_x = event->x - rect.x1;
rtgui_radiobox_set_selection(radiobox, delta_x / radiobox->item_size);
}
}
}
/* 创建用于演示radiobox控件的视图 */
rtgui_container_t* demo_view_radiobox(void)
{
rtgui_rect_t rect;
rtgui_container_t* container;
rtgui_radiobox_t* radiobox;
/* 先创建一个演示用的视图 */
container = demo_view("RadioBox View");
/* 获得视图的位置信息 */
demo_view_get_rect(container, &rect);
rect.x1 += 5;
rect.x2 -= 5;
rect.y1 += 5;
rect.y2 = rect.y1 + 5 * 25;
/* 创建一个垂直方向显示的radiobox控件，文本项是radio_item_v数组，共5个项 */
radiobox = rtgui_radiobox_create("Radio Box", RTGUI_VERTICAL, radio_item_v, 5);
/* 设置当前选择的数组是第0项 */
rtgui_radiobox_set_selection(radiobox, 0);
/* 添加radiobox控件到视图中 */
rtgui_container_add_child(container, RTGUI_WIDGET(radiobox));
/* 设置radiobox控件的位置信息 */
rtgui_widget_set_rect(RTGUI_WIDGET(radiobox), &rect);
/* 获得视图的位置信息 */
demo_view_get_rect(container, &rect);
rect.x1 += 5;
rect.x2 -= 5;
rect.y1 += 5 + 5 * 25;
rect.y2 = rect.y1 + 60;
/* 创建一个水平方向显示的radiobox控件，文本项是radio_item_h数组，共3个项 */
radiobox = rtgui_radiobox_create("Radio Box", RTGUI_HORIZONTAL, radio_item_h, 3);
/* 设置当前选择的数组是第0项 */
rtgui_radiobox_set_selection(radiobox, 0);
/* 添加radiobox控件到视图中 */
rtgui_container_add_child(container, RTGUI_WIDGET(radiobox));
/* 设置radiobox控件的位置信息 */
rtgui_widget_set_rect(RTGUI_WIDGET(radiobox), &rect);
return container;
}
rt_bool_t rtgui_radiobox_event_handler(struct rtgui_object *object, struct rtgui_event *event)
{
struct rtgui_radiobox *radiobox;
RTGUI_WIDGET_EVENT_HANDLER_PREPARE
radiobox = RTGUI_RADIOBOX(object);
switch (event->type)
{
case RTGUI_EVENT_PAINT:
#ifndef RTGUI_USING_SMALL_SIZE
if (widget->on_draw != RT_NULL)
widget->on_draw(RTGUI_OBJECT(widget), event);
else
#endif
{
rtgui_theme_draw_radiobox(radiobox);
}
break;
case RTGUI_EVENT_KBD:
if (RTGUI_WIDGET_IS_HIDE(radiobox)) return RT_FALSE;
#ifndef RTGUI_USING_SMALL_SIZE
if (widget->on_key != RT_NULL)
return widget->on_key(RTGUI_OBJECT(widget), event);
else
#endif
{
struct rtgui_event_kbd *e = (struct rtgui_event_kbd *)event;
/* set focused */
rtgui_widget_focus(RTGUI_WIDGET(radiobox));
if (!(RTGUI_KBD_IS_UP(e))) return RT_FALSE;
if (radiobox->orient == RTGUI_VERTICAL)
{
if (e->key == RTGUIK_UP)
{
if (radiobox->item_selection > 0)
{
rtgui_radiobox_set_selection(radiobox, radiobox->item_selection - 1);
return RT_TRUE;
}
}
else if (e->key == RTGUIK_DOWN)
{
if (radiobox->item_selection < radiobox->item_count - 1)
{
rtgui_radiobox_set_selection(radiobox, radiobox->item_selection + 1);
return RT_TRUE;
}
}
}
else
{
if (e->key == RTGUIK_LEFT)
{
if (radiobox->item_selection > 0)
{
rtgui_radiobox_set_selection(radiobox, radiobox->item_selection - 1);
return RT_TRUE;
}
}
else if (e->key == RTGUIK_RIGHT)
{
if (radiobox->item_selection < radiobox->item_count - 1)
{
rtgui_radiobox_set_selection(radiobox, radiobox->item_selection + 1);
return RT_TRUE;
}
}
}
}
break;
case RTGUI_EVENT_MOUSE_BUTTON:
#ifndef RTGUI_USING_SMALL_SIZE
if (widget->on_mouseclick != RT_NULL)
widget->on_mouseclick(RTGUI_OBJECT(widget), event);
else
#endif
{
rtgui_radiobox_onmouse(radiobox, (struct rtgui_event_mouse *)event);
}
break;
default:
return rtgui_widget_event_handler(object, event);
}
return RT_FALSE;
}
