rt-thread/components/rtgui/widgets/panel.c

90 lines
2.3 KiB
C

/*
* File : panel.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2012, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2012-07-07 Bernard implement panel as a widget
*/
#include <rtgui/dc.h>
#include <rtgui/widgets/panel.h>
#include <rtgui/rtgui_system.h>
#include <rtgui/rtgui_theme.h>
static void _rtgui_panel_constructor(rtgui_panel_t *panel)
{
/* init widget and set event handler */
rtgui_object_set_event_handler(RTGUI_OBJECT(panel), rtgui_panel_event_handler);
/* set field */
panel->border_style = RTGUI_BORDER_NONE;
}
DEFINE_CLASS_TYPE(panel, "panel",
RTGUI_CONTAINER_TYPE,
_rtgui_panel_constructor,
RT_NULL,
sizeof(struct rtgui_panel));
rt_bool_t rtgui_panel_event_handler(struct rtgui_object *object, struct rtgui_event *event)
{
struct rtgui_panel *panel;
panel = RTGUI_PANEL(object);
switch (event->type)
{
case RTGUI_EVENT_PAINT:
{
struct rtgui_dc *dc;
struct rtgui_rect rect;
rtgui_widget_get_rect(RTGUI_WIDGET(object), &rect);
dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(object));
if (dc == RT_NULL) return RT_FALSE;
rtgui_dc_fill_rect(dc, &rect);
// rtgui_rect_inflate(&rect, RTGUI_WIDGET(panel)->);
rtgui_dc_draw_border(dc, &rect, panel->border_style);
/* paint on each child */
rtgui_container_dispatch_event(RTGUI_CONTAINER(panel), event);
rtgui_dc_end_drawing(dc);
}
break;
default:
return rtgui_container_event_handler(object, event);
}
return RT_FALSE;
}
rtgui_panel_t *rtgui_panel_create(int border_style)
{
struct rtgui_panel *panel;
panel = (struct rtgui_panel *) rtgui_widget_create(RTGUI_PANEL_TYPE);
if (panel != RT_NULL)
{
rtgui_rect_t rect = {0, 0, 100, 100};
rtgui_widget_set_rect(RTGUI_WIDGET(panel), &rect);
panel->border_style = border_style;
}
return panel;
}
void rtgui_panel_destroy(rtgui_panel_t *panel)
{
rtgui_object_destroy(RTGUI_OBJECT(panel));
}