156 lines
3.7 KiB
C
156 lines
3.7 KiB
C
/*
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* File : groupbox.c
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2006 - 2012, RT-Thread Development Team
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rt-thread.org/license/LICENSE
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*
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* Change Logs:
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* Date Author Notes
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* 2012-07-29 Bernard first version
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*/
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#include <rtgui/dc.h>
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#include <rtgui/rtgui_system.h>
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#include <rtgui/rtgui_theme.h>
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#include <rtgui/widgets/groupbox.h>
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static void _rtgui_groupbox_constructor(rtgui_groupbox_t *box)
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{
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/* init widget and set event handler */
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rtgui_object_set_event_handler(RTGUI_OBJECT(box), rtgui_groupbox_event_handler);
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/* set field */
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box->box = RT_NULL;
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box->label = RT_NULL;
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box->selected = RT_NULL;
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box->on_selected = RT_NULL;
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}
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DEFINE_CLASS_TYPE(groupbox, "groupbox",
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RTGUI_PANEL_TYPE,
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_rtgui_groupbox_constructor,
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RT_NULL,
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sizeof(struct rtgui_groupbox));
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rt_bool_t rtgui_groupbox_event_handler(struct rtgui_object *object, struct rtgui_event* event)
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{
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struct rtgui_groupbox* box;
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box = RTGUI_GROUPBOX(object);
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switch (event->type)
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{
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case RTGUI_EVENT_PAINT:
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{
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rtgui_panel_event_handler(RTGUI_OBJECT(box), event);
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/* dispatch paint event to child */
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rtgui_container_dispatch_event(RTGUI_CONTAINER(box), event);
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}
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break;
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default:
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return rtgui_container_event_handler(object, event);
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}
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return RT_FALSE;
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}
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rtgui_groupbox_t* rtgui_groupbox_create(const char* label, struct rtgui_rect *rect,
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int style, widget_select_t select_func)
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{
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struct rtgui_groupbox *box;
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RT_ASSERT(select_func != RT_NULL);
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box = (struct rtgui_groupbox*) rtgui_widget_create(RTGUI_GROUPBOX_TYPE);
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if (box != RT_NULL)
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{
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rtgui_widget_set_rect(RTGUI_WIDGET(box), rect);
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if (label != RT_NULL)
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{
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box->label = rt_strdup(label);
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}
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/* create layout box */
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box->box = rtgui_box_create(style, RTGUI_WIDGET_DEFAULT_MARGIN + 1);
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rtgui_container_set_box(RTGUI_CONTAINER(box), box->box);
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rtgui_panel_set_border(RTGUI_PANEL(box), RTGUI_BORDER_NONE);
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box->select_func = select_func;
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}
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return box;
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}
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void rtgui_groupbox_destroy(rtgui_groupbox_t* groupbox)
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{
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rtgui_object_destroy(RTGUI_OBJECT(groupbox));
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}
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void rtgui_groupbox_select_widget(struct rtgui_groupbox *box, struct rtgui_widget *widget)
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{
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struct rtgui_event event;
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RT_ASSERT(box != RT_NULL);
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RT_ASSERT(widget != RT_NULL);
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if (box->selected != widget)
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{
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if (box->selected != RT_NULL)
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{
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box->select_func(box->selected, RT_FALSE);
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if (box->on_selected != RT_NULL)
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{
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RTGUI_EVENT_INIT(&event, RTGUI_EVENT_UNSELECTED);
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box->on_selected(RTGUI_OBJECT(widget), &event);
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}
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rtgui_widget_update(widget);
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}
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box->selected = widget;
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}
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box->select_func(box->selected, RT_TRUE);
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if (box->on_selected != RT_NULL)
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{
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RTGUI_EVENT_INIT(&event, RTGUI_EVENT_SELECTED);
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box->on_selected(RTGUI_OBJECT(widget), &event);
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}
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}
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struct rtgui_widget *rtgui_groupbox_get_selected(struct rtgui_groupbox *box)
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{
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RT_ASSERT(box != RT_NULL);
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return box->selected;
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}
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void rtgui_groupbox_add_widget(struct rtgui_groupbox *box, struct rtgui_widget *widget)
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{
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widget->user_data = (rt_uint32_t)box;
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rtgui_container_add_child(RTGUI_CONTAINER(box), widget);
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RTGUI_WIDGET_ALIGN(widget) = RTGUI_ALIGN_CENTER;
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RTGUI_WIDGET_BACKGROUND(widget) = RTGUI_WIDGET_BACKGROUND(box);
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}
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void rtgui_groupbox_layout(struct rtgui_groupbox *box)
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{
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if (RTGUI_PANEL(box)->border_style != RTGUI_BORDER_NONE)
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{
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rtgui_box_layout(box->box);
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}
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else
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{
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struct rtgui_rect extent;
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RT_ASSERT(box != RT_NULL);
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rtgui_widget_get_extent(RTGUI_WIDGET(box), &extent);
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rtgui_rect_inflate(&extent, -RTGUI_WIDGET_DEFAULT_MARGIN);
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rtgui_box_layout_rect(box->box, &extent);
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}
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}
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