164 lines
3.8 KiB
C
164 lines
3.8 KiB
C
/*
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* File : iconbox.c
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2006 - 2009, 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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* 2009-10-16 Bernard first version
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*/
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#include <rtgui/dc.h>
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#include <rtgui/widgets/iconbox.h>
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#include <rtgui/rtgui_theme.h>
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static void _rtgui_iconbox_constructor(rtgui_iconbox_t *iconbox)
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{
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/* init widget and set event handler */
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RTGUI_WIDGET(iconbox)->flag |= RTGUI_WIDGET_FLAG_TRANSPARENT;
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rtgui_widget_set_event_handler(RTGUI_WIDGET(iconbox), rtgui_iconbox_event_handler);
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/* set proper of control */
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iconbox->image = RT_NULL;
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iconbox->selected = RT_FALSE;
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iconbox->text = RT_NULL;
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iconbox->text_position = RTGUI_ICONBOX_TEXT_BELOW;
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}
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static void _rtgui_iconbox_destructor(rtgui_iconbox_t *iconbox)
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{
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if (iconbox->image != RT_NULL)
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{
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rtgui_image_destroy(iconbox->image);
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iconbox->image = RT_NULL;
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}
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rt_free(iconbox->text);
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iconbox->text = RT_NULL;
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}
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DEFINE_CLASS_TYPE(iconbox, "iconbox",
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RTGUI_WIDGET_TYPE,
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_rtgui_iconbox_constructor,
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_rtgui_iconbox_destructor,
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sizeof(struct rtgui_iconbox));
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rt_bool_t rtgui_iconbox_event_handler(struct rtgui_widget* widget, struct rtgui_event* event)
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{
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struct rtgui_iconbox* iconbox = (struct rtgui_iconbox*)widget;
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switch (event->type)
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{
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case RTGUI_EVENT_PAINT:
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#ifndef RTGUI_USING_SMALL_SIZE
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if (widget->on_draw != RT_NULL) widget->on_draw(widget, event);
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else
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#endif
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{
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rtgui_theme_draw_iconbox(iconbox);
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}
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break;
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}
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return RT_FALSE;
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}
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struct rtgui_iconbox* rtgui_iconbox_create(struct rtgui_image* image,
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const char* text,
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int position)
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{
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struct rtgui_iconbox* iconbox;
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iconbox = (struct rtgui_iconbox*)rtgui_widget_create(RTGUI_ICONBOX_TYPE);
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if (iconbox != RT_NULL)
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{
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rtgui_rect_t rect = {0, 0, 0, 0}, text_rect;
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rect.x2 = image->w;
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rect.y2 = image->h;
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/* get text rect */
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rtgui_font_get_metrics(rtgui_font_default(), text, &text_rect);
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if (position == RTGUI_ICONBOX_TEXT_BELOW)
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{
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rect.y2 += RTGUI_WIDGET_DEFAULT_MARGIN;
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if (text_rect.x2 > rect.x2)
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{
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rect.x2 = text_rect.x2;
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}
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rect.y2 += text_rect.y2;
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}
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else if (position == RTGUI_ICONBOX_TEXT_RIGHT)
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{
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rect.x2 += RTGUI_WIDGET_DEFAULT_MARGIN;
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if (text_rect.y2 > rect.y2)
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{
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rect.y2 = text_rect.y2;
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}
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rect.x2 += text_rect.x2;
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}
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/* set widget rect */
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rtgui_widget_set_rect(RTGUI_WIDGET(iconbox), &rect);
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/* set image and text position */
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iconbox->image = image;
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iconbox->text = (char*)rt_strdup((const char*)text);
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iconbox->text_position = position;
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}
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return iconbox;
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}
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void rtgui_iconbox_destroy(struct rtgui_iconbox* iconbox)
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{
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rtgui_widget_destroy(RTGUI_WIDGET(iconbox));
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}
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void rtgui_iconbox_set_text_position(struct rtgui_iconbox* iconbox, int position)
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{
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rtgui_rect_t rect = {0, 0, 0, 0}, text_rect;
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RT_ASSERT(iconbox != RT_NULL);
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iconbox->text_position = position;
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/* set mini width and height */
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rect.x2 = iconbox->image->w;
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rect.y2 = iconbox->image->h;
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/* get text rect */
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if (iconbox->text != RT_NULL)
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{
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rtgui_font_get_metrics(rtgui_font_default(),
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iconbox->text, &text_rect);
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if (position == RTGUI_ICONBOX_TEXT_BELOW)
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{
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rect.y2 += RTGUI_WIDGET_DEFAULT_MARGIN;
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if (text_rect.x2 > rect.x2)
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{
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rect.x2 = text_rect.x2;
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}
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rect.y2 += text_rect.y2;
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}
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else if (position == RTGUI_ICONBOX_TEXT_RIGHT)
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{
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rect.x2 += RTGUI_WIDGET_DEFAULT_MARGIN;
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if (text_rect.y2 > rect.y2)
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{
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rect.y2 = text_rect.y2;
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}
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rect.x2 += text_rect.x2;
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}
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}
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#ifndef RTGUI_USING_SMALL_SIZE
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rtgui_widget_set_miniwidth(RTGUI_WIDGET(iconbox), rect.x2);
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rtgui_widget_set_miniheight(RTGUI_WIDGET(iconbox), rect.y2);
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#endif
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}
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