109 lines
2.9 KiB
C
109 lines
2.9 KiB
C
/*
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* File : about_view.c
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* This file is part of RTGUI in RT-Thread RTOS
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* COPYRIGHT (C) 2010, 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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* 2010-01-06 Bernard first version
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*/
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#include <rtgui/rtgui_theme.h>
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#include <rtgui/widgets/about_view.h>
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static void _rtgui_about_view_constructor(struct rtgui_about_view *view)
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{
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/* default rect */
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struct rtgui_rect rect = {0, 0, 200, 200};
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/* set default widget rect and set event handler */
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rtgui_widget_set_event_handler(RTGUI_WIDGET(view),rtgui_about_view_event_handler);
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rtgui_widget_set_rect(RTGUI_WIDGET(view), &rect);
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RTGUI_WIDGET(view)->flag |= RTGUI_WIDGET_FLAG_FOCUSABLE;
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view->logo = RT_NULL;
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view->description = RT_NULL;
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RTGUI_WIDGET_TEXTALIGN(RTGUI_WIDGET(view)) = RTGUI_ALIGN_CENTER_VERTICAL;
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}
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rtgui_type_t *rtgui_about_view_type_get(void)
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{
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static rtgui_type_t *list_view_type = RT_NULL;
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if (!list_view_type)
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{
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list_view_type = rtgui_type_create("aboutview", RTGUI_VIEW_TYPE,
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sizeof(rtgui_about_view_t), RTGUI_CONSTRUCTOR(_rtgui_about_view_constructor), RT_NULL);
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}
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return list_view_type;
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}
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void rtgui_about_view_ondraw(struct rtgui_about_view* view)
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{
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struct rtgui_rect rect;
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struct rtgui_dc* dc;
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dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(view));
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if (dc == RT_NULL) return;
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rtgui_widget_get_rect(RTGUI_WIDGET(view), &rect);
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rtgui_dc_fill_rect(dc, &rect);
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if (view->logo != RT_NULL)
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rtgui_image_blit(view->logo, dc, &rect);
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rect.y1 += view->logo->h + 5;
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if (view->description != RT_NULL)
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rtgui_dc_draw_text(dc, view->description, &rect);
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rect.y1 += rtgui_dc_get_font(dc)->height;
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rtgui_dc_draw_hline(dc, rect.x1 + 3, rect.x2 - 3, rect.y1);
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rtgui_dc_set_color(dc, white);
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rtgui_dc_draw_hline(dc, rect.x1 + 4, rect.x2 - 2, rect.y1 + 1);
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rtgui_dc_end_drawing(dc);
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}
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rt_bool_t rtgui_about_view_event_handler(struct rtgui_widget* widget, struct rtgui_event* event)
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{
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struct rtgui_about_view* view = RT_NULL;
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view = RTGUI_ABOUT_VIEW(widget);
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switch (event->type)
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{
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case RTGUI_EVENT_PAINT:
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rtgui_about_view_ondraw(view);
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return RT_FALSE;
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}
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/* use view event handler */
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return rtgui_view_event_handler(widget, event);
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}
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rtgui_about_view_t* rtgui_about_view_create(rtgui_image_t *logo, const char* description)
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{
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struct rtgui_about_view* view = RT_NULL;
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view = (struct rtgui_about_view*) rtgui_widget_create(RTGUI_ABOUT_VIEW_TYPE);
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if (view != RT_NULL)
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{
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view->logo = logo;
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view->description = description;
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}
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return view;
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}
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void rtgui_about_view_destroy(rtgui_about_view_t* view)
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{
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/* destroy view */
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rtgui_widget_destroy(RTGUI_WIDGET(view));
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}
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