777 lines
18 KiB
C
777 lines
18 KiB
C
/*
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* File : widget.c
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* This file is part of RTGUI in 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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* 2009-10-04 Bernard first version
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* 2010-06-26 Bernard add user_data to widget structure
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*/
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#include <rtgui/dc_client.h>
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#include <rtgui/rtgui_app.h>
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#include <rtgui/widgets/widget.h>
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#include <rtgui/widgets/window.h>
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#include <rtgui/widgets/container.h>
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#include <rtgui/widgets/notebook.h>
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static void _rtgui_widget_constructor(rtgui_widget_t *widget)
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{
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if (!widget) return;
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/* set default flag */
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widget->flag = RTGUI_WIDGET_FLAG_DEFAULT;
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/* init list */
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rtgui_list_init(&(widget->sibling));
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/* init gc */
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widget->gc.foreground = default_foreground;
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widget->gc.background = default_background;
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widget->gc.font = rtgui_font_default();
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widget->gc.textstyle = RTGUI_TEXTSTYLE_NORMAL;
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widget->gc.textalign = RTGUI_ALIGN_LEFT | RTGUI_ALIGN_TOP;
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widget->align = RTGUI_ALIGN_LEFT | RTGUI_ALIGN_TOP;
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/* clear the garbage value of extent and clip */
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widget->extent.x1 = widget->extent.y1 = 0;
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widget->extent.x2 = widget->extent.y2 = 0;
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rtgui_region_init_with_extents(&widget->clip, &widget->extent);
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/* set parent and toplevel root */
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widget->parent = RT_NULL;
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widget->toplevel = RT_NULL;
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/* some common event handler */
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widget->on_focus_in = RT_NULL;
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widget->on_focus_out = RT_NULL;
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#ifndef RTGUI_USING_SMALL_SIZE
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widget->on_draw = RT_NULL;
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widget->on_mouseclick = RT_NULL;
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widget->on_key = RT_NULL;
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widget->on_size = RT_NULL;
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widget->on_command = RT_NULL;
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#endif
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/* set default event handler */
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rtgui_object_set_event_handler(RTGUI_OBJECT(widget), rtgui_widget_event_handler);
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/* init user data private to 0 */
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widget->user_data = 0;
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/* init clip information */
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rtgui_region_init(&(widget->clip));
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/* init hardware dc */
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rtgui_dc_client_init(widget);
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}
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/* Destroys the widget */
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static void _rtgui_widget_destructor(rtgui_widget_t *widget)
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{
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if (widget == RT_NULL) return;
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if (widget->parent != RT_NULL && RTGUI_IS_CONTAINER(widget->parent))
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{
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/* remove widget from parent's children list */
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rtgui_list_remove(&(RTGUI_CONTAINER(widget->parent)->children), &(widget->sibling));
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widget->parent = RT_NULL;
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}
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/* fini clip region */
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rtgui_region_fini(&(widget->clip));
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}
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DEFINE_CLASS_TYPE(widget, "widget",
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RTGUI_OBJECT_TYPE,
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_rtgui_widget_constructor,
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_rtgui_widget_destructor,
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sizeof(struct rtgui_widget));
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RTM_EXPORT(_rtgui_widget);
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rtgui_widget_t *rtgui_widget_create(rtgui_type_t *widget_type)
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{
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struct rtgui_widget* widget;
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widget = RTGUI_WIDGET(rtgui_object_create(widget_type));
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return widget;
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}
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RTM_EXPORT(rtgui_widget_create);
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void rtgui_widget_destroy(rtgui_widget_t* widget)
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{
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rtgui_object_destroy(RTGUI_OBJECT(widget));
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}
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RTM_EXPORT(rtgui_widget_destroy);
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void rtgui_widget_set_rect(rtgui_widget_t* widget, const rtgui_rect_t* rect)
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{
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int delta_x, delta_y;
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if (widget == RT_NULL || rect == RT_NULL) return;
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/* move to a logic position if it's a container widget */
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if (RTGUI_IS_CONTAINER(widget))
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{
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delta_x = rect->x1 - widget->extent.x1;
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delta_y = rect->y1 - widget->extent.y1;
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rtgui_widget_move_to_logic(widget, delta_x, delta_y);
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}
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/* update extent rectangle */
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widget->extent = *rect;
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/* reset mini width and height */
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widget->mini_width = rtgui_rect_width(widget->extent);
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widget->mini_height = rtgui_rect_height(widget->extent);
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/* it's not empty, fini it */
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if (rtgui_region_not_empty(&(widget->clip)))
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{
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rtgui_region_fini(&(widget->clip));
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}
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/* reset clip info */
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rtgui_region_init_with_extents(&(widget->clip), rect);
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if ((widget->parent != RT_NULL) && (widget->toplevel != RT_NULL))
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{
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/* update widget clip */
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rtgui_widget_update_clip(widget->parent);
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}
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}
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RTM_EXPORT(rtgui_widget_set_rect);
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void rtgui_widget_set_rectangle(rtgui_widget_t* widget, int x, int y, int width, int height)
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{
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rtgui_rect_t rect;
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rect.x1 = x; rect.y1 = y;
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rect.x2 = x + width; rect.y2 = y + height;
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rtgui_widget_set_rect(widget, &rect);
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}
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RTM_EXPORT(rtgui_widget_set_rectangle);
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void rtgui_widget_set_parent(rtgui_widget_t* widget, rtgui_widget_t* parent)
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{
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/* set parent and toplevel widget */
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widget->parent = parent;
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}
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RTM_EXPORT(rtgui_widget_set_parent);
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void rtgui_widget_get_extent(rtgui_widget_t* widget, rtgui_rect_t *rect)
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{
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RT_ASSERT(widget != RT_NULL);
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RT_ASSERT(rect != RT_NULL);
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*rect = widget->extent;
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}
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RTM_EXPORT(rtgui_widget_get_extent);
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void rtgui_widget_set_miniwidth(rtgui_widget_t* widget, int width)
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{
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RT_ASSERT(widget != RT_NULL);
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widget->mini_width = width;
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}
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RTM_EXPORT(rtgui_widget_set_miniwidth);
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void rtgui_widget_set_miniheight(rtgui_widget_t* widget, int height)
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{
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RT_ASSERT(widget != RT_NULL);
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widget->mini_height = height;
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}
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RTM_EXPORT(rtgui_widget_set_miniheight);
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/*
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* This function moves widget and its children to a logic point
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*/
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void rtgui_widget_move_to_logic(rtgui_widget_t* widget, int dx, int dy)
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{
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struct rtgui_list_node* node;
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rtgui_widget_t* child;
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if (widget == RT_NULL) return;
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rtgui_rect_moveto(&(widget->extent), dx, dy);
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/* move each child */
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if (RTGUI_IS_CONTAINER(widget))
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{
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rtgui_list_foreach(node, &(RTGUI_CONTAINER(widget)->children))
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{
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child = rtgui_list_entry(node, rtgui_widget_t, sibling);
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rtgui_widget_move_to_logic(child, dx, dy);
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}
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}
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}
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RTM_EXPORT(rtgui_widget_move_to_logic);
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void rtgui_widget_get_rect(rtgui_widget_t* widget, rtgui_rect_t *rect)
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{
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RT_ASSERT(widget != RT_NULL);
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if (rect != RT_NULL)
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{
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rect->x1 = rect->y1 = 0;
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rect->x2 = widget->extent.x2 - widget->extent.x1;
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rect->y2 = widget->extent.y2 - widget->extent.y1;
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}
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}
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RTM_EXPORT(rtgui_widget_get_rect);
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/**
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* set widget draw style
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*/
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void rtgui_widget_set_border(rtgui_widget_t* widget, rt_uint32_t style)
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{
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RT_ASSERT(widget != RT_NULL);
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widget->border_style = style;
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switch(style)
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{
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case RTGUI_BORDER_NONE:
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widget->border = 0;
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break;
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case RTGUI_BORDER_SIMPLE:
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case RTGUI_BORDER_UP:
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case RTGUI_BORDER_DOWN:
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widget->border = 1;
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break;
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case RTGUI_BORDER_STATIC:
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case RTGUI_BORDER_RAISE:
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case RTGUI_BORDER_SUNKEN:
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case RTGUI_BORDER_BOX:
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case RTGUI_BORDER_EXTRA:
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widget->border = 2;
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break;
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default:
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widget->border = 2;
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break;
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}
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}
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RTM_EXPORT(rtgui_widget_set_border);
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void rtgui_widget_set_onfocus(rtgui_widget_t* widget, rtgui_event_handler_ptr handler)
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{
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RT_ASSERT(widget != RT_NULL);
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widget->on_focus_in = handler;
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}
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RTM_EXPORT(rtgui_widget_set_onfocus);
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void rtgui_widget_set_onunfocus(rtgui_widget_t* widget, rtgui_event_handler_ptr handler)
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{
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RT_ASSERT(widget != RT_NULL);
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widget->on_focus_out = handler;
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}
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RTM_EXPORT(rtgui_widget_set_onunfocus);
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#ifndef RTGUI_USING_SMALL_SIZE
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void rtgui_widget_set_ondraw(rtgui_widget_t* widget, rtgui_event_handler_ptr handler)
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{
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RT_ASSERT(widget != RT_NULL);
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widget->on_draw = handler;
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}
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RTM_EXPORT(rtgui_widget_set_ondraw);
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void rtgui_widget_set_onmouseclick(rtgui_widget_t* widget, rtgui_event_handler_ptr handler)
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{
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RT_ASSERT(widget != RT_NULL);
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widget->on_mouseclick = handler;
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}
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RTM_EXPORT(rtgui_widget_set_onmouseclick);
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void rtgui_widget_set_onkey(rtgui_widget_t* widget, rtgui_event_handler_ptr handler)
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{
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RT_ASSERT(widget != RT_NULL);
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widget->on_key = handler;
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}
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RTM_EXPORT(rtgui_widget_set_onkey);
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void rtgui_widget_set_onsize(rtgui_widget_t* widget, rtgui_event_handler_ptr handler)
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{
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RT_ASSERT(widget != RT_NULL);
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widget->on_size = handler;
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}
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RTM_EXPORT(rtgui_widget_set_onsize);
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void rtgui_widget_set_oncommand(rtgui_widget_t* widget, rtgui_event_handler_ptr handler)
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{
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RT_ASSERT(widget != RT_NULL);
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widget->on_command = handler;
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}
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RTM_EXPORT(rtgui_widget_set_oncommand);
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#endif
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/**
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* @brief Focuses the widget. The focused widget is the widget which can receive the keyboard events
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* @param widget a widget
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* @note The widget has to be attached to a toplevel widget, otherwise it will have no effect
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*/
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void rtgui_widget_focus(rtgui_widget_t *widget)
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{
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struct rtgui_widget *old_focus;
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RT_ASSERT(widget != RT_NULL);
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if (!RTGUI_WIDGET_IS_FOCUSABLE(widget) || !RTGUI_WIDGET_IS_ENABLE(widget))
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return;
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old_focus = RTGUI_WIN(widget->toplevel)->focused_widget;
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if (old_focus == widget)
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return; /* it's the same focused widget */
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/* unfocused the old widget */
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if (old_focus != RT_NULL)
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rtgui_widget_unfocus(old_focus);
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/* set widget as focused */
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widget->flag |= RTGUI_WIDGET_FLAG_FOCUS;
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RTGUI_WIN(widget->toplevel)->focused_widget = widget;
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/* invoke on focus in call back */
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if (widget->on_focus_in != RT_NULL)
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widget->on_focus_in(RTGUI_OBJECT(widget), RT_NULL);
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}
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RTM_EXPORT(rtgui_widget_focus);
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/**
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* @brief Unfocused the widget
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* @param widget a widget
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*/
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void rtgui_widget_unfocus(rtgui_widget_t *widget)
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{
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RT_ASSERT(widget != RT_NULL);
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if (!widget->toplevel || !RTGUI_WIDGET_IS_FOCUSED(widget))
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return;
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widget->flag &= ~RTGUI_WIDGET_FLAG_FOCUS;
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if (widget->on_focus_out != RT_NULL)
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widget->on_focus_out(RTGUI_OBJECT(widget), RT_NULL);
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RTGUI_WIN(widget->toplevel)->focused_widget = RT_NULL;
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/* Ergodic constituent widget, make child loss of focus */
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if(RTGUI_IS_CONTAINER(widget))
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{
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rtgui_list_t *node;
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rtgui_list_foreach(node, &(RTGUI_CONTAINER(widget)->children))
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{
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rtgui_widget_t *child = rtgui_list_entry(node, rtgui_widget_t, sibling);
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if(RTGUI_WIDGET_IS_HIDE(child)) continue;
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rtgui_widget_unfocus(child);
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}
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}
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}
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RTM_EXPORT(rtgui_widget_unfocus);
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void rtgui_widget_point_to_device(rtgui_widget_t* widget, rtgui_point_t* point)
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{
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RT_ASSERT(widget != RT_NULL);
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if (point != RT_NULL)
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{
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point->x += widget->extent.x1;
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point->y += widget->extent.y1;
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}
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}
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RTM_EXPORT(rtgui_widget_point_to_device);
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void rtgui_widget_rect_to_device(rtgui_widget_t* widget, rtgui_rect_t* rect)
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{
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RT_ASSERT(widget != RT_NULL);
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if (rect != RT_NULL)
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{
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rect->x1 += widget->extent.x1;
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rect->x2 += widget->extent.x1;
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rect->y1 += widget->extent.y1;
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rect->y2 += widget->extent.y1;
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}
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}
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RTM_EXPORT(rtgui_widget_rect_to_device);
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void rtgui_widget_point_to_logic(rtgui_widget_t* widget, rtgui_point_t* point)
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{
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RT_ASSERT(widget != RT_NULL);
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if (point != RT_NULL)
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{
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point->x -= widget->extent.x1;
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point->y -= widget->extent.y1;
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}
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}
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RTM_EXPORT(rtgui_widget_point_to_logic);
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void rtgui_widget_rect_to_logic(rtgui_widget_t* widget, rtgui_rect_t* rect)
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{
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RT_ASSERT(widget != RT_NULL);
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if (rect != RT_NULL)
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{
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rect->x1 -= widget->extent.x1;
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rect->x2 -= widget->extent.x1;
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rect->y1 -= widget->extent.y1;
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rect->y2 -= widget->extent.y1;
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}
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}
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RTM_EXPORT(rtgui_widget_rect_to_logic);
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struct rtgui_win* rtgui_widget_get_toplevel(rtgui_widget_t* widget)
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{
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rtgui_widget_t* r;
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RT_ASSERT(widget != RT_NULL);
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if (widget->toplevel)
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return widget->toplevel;
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rt_kprintf("widget->toplevel not properly set\n");
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r = widget;
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/* get the toplevel widget */
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while (r->parent != RT_NULL)
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r = r->parent;
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/* set toplevel */
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widget->toplevel = RTGUI_WIN(r);
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return RTGUI_WIN(r);
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}
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RTM_EXPORT(rtgui_widget_get_toplevel);
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rt_bool_t rtgui_widget_onupdate_toplvl(struct rtgui_object *object, struct rtgui_event *event)
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{
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struct rtgui_widget *widget;
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struct rtgui_event_update_toplvl *eup;
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RT_ASSERT(object);
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RT_ASSERT(event);
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widget = RTGUI_WIDGET(object);
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eup = (struct rtgui_event_update_toplvl*)event;
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widget->toplevel = eup->toplvl;
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return RT_FALSE;
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}
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RTM_EXPORT(rtgui_widget_onupdate_toplvl);
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rt_bool_t rtgui_widget_event_handler(struct rtgui_object* object, rtgui_event_t* event)
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{
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RTGUI_WIDGET_EVENT_HANDLER_PREPARE;
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switch (event->type)
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{
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case RTGUI_EVENT_SHOW:
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return rtgui_widget_onshow(object, event);
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case RTGUI_EVENT_HIDE:
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return rtgui_widget_onhide(object, event);
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case RTGUI_EVENT_UPDATE_TOPLVL:
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return rtgui_widget_onupdate_toplvl(object, event);
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#ifndef RTGUI_USING_SMALL_SIZE
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case RTGUI_EVENT_PAINT:
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if (widget->on_draw != RT_NULL)
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return widget->on_draw(RTGUI_OBJECT(widget), event);
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break;
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case RTGUI_EVENT_KBD:
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if (widget->on_key != RT_NULL)
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return widget->on_key(RTGUI_OBJECT(widget), event);
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break;
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case RTGUI_EVENT_MOUSE_BUTTON:
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if (widget->on_mouseclick != RT_NULL)
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return widget->on_mouseclick(RTGUI_OBJECT(widget), event);
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break;
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case RTGUI_EVENT_COMMAND:
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if (widget->on_command != RT_NULL)
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return widget->on_command(RTGUI_OBJECT(widget), event);
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break;
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case RTGUI_EVENT_RESIZE:
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if (widget->on_size != RT_NULL)
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return widget->on_size(RTGUI_OBJECT(widget), event);
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break;
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#endif
|
|
}
|
|
|
|
return rtgui_object_event_handler(object, event);
|
|
}
|
|
RTM_EXPORT(rtgui_widget_event_handler);
|
|
|
|
/*
|
|
* This function updates the clip info of widget
|
|
*/
|
|
void rtgui_widget_update_clip(rtgui_widget_t* widget)
|
|
{
|
|
struct rtgui_list_node* node;
|
|
rtgui_widget_t *parent;
|
|
|
|
/* no widget or widget is hide, no update clip */
|
|
if (widget == RT_NULL || RTGUI_WIDGET_IS_HIDE(widget)) return;
|
|
|
|
parent = widget->parent;
|
|
/* if there is no parent, there is no clip to update. */
|
|
if (parent == RT_NULL)
|
|
{
|
|
return;
|
|
}
|
|
|
|
/* reset clip to extent */
|
|
rtgui_region_reset(&(widget->clip), &(widget->extent));
|
|
|
|
/* limit widget extent in parent extent */
|
|
rtgui_region_intersect(&(widget->clip), &(widget->clip), &(parent->clip));
|
|
|
|
/* get the no transparent parent */
|
|
while (parent != RT_NULL && parent->flag & RTGUI_WIDGET_FLAG_TRANSPARENT)
|
|
{
|
|
parent = parent->parent;
|
|
}
|
|
|
|
if (parent != RT_NULL)
|
|
{
|
|
/* subtract widget clip in parent clip */
|
|
if (!(widget->flag & RTGUI_WIDGET_FLAG_TRANSPARENT))
|
|
{
|
|
rtgui_region_subtract_rect(&(parent->clip), &(parent->clip),
|
|
&(widget->extent));
|
|
}
|
|
}
|
|
|
|
/*
|
|
* note: since the layout widget introduction, the sibling widget will not
|
|
* intersect.
|
|
*/
|
|
|
|
/* if it's a view object, update the clip info of children */
|
|
if (RTGUI_IS_CONTAINER(widget))
|
|
{
|
|
rtgui_widget_t* child;
|
|
rtgui_list_foreach(node, &(RTGUI_CONTAINER(widget)->children))
|
|
{
|
|
child = rtgui_list_entry(node, rtgui_widget_t, sibling);
|
|
|
|
rtgui_widget_update_clip(child);
|
|
}
|
|
}
|
|
else if (RTGUI_IS_NOTEBOOK(widget))
|
|
{
|
|
rtgui_widget_update_clip(rtgui_notebook_get_current(RTGUI_NOTEBOOK(widget)));
|
|
}
|
|
}
|
|
RTM_EXPORT(rtgui_widget_update_clip);
|
|
|
|
void rtgui_widget_show(struct rtgui_widget *widget)
|
|
{
|
|
struct rtgui_event_show eshow;
|
|
RT_ASSERT(widget != RT_NULL);
|
|
|
|
if (!RTGUI_WIDGET_IS_HIDE(widget))
|
|
return;
|
|
|
|
RTGUI_EVENT_SHOW_INIT(&eshow);
|
|
if (RTGUI_OBJECT(widget)->event_handler != RT_NULL)
|
|
{
|
|
RTGUI_OBJECT(widget)->event_handler(
|
|
RTGUI_OBJECT(widget),
|
|
&eshow);
|
|
}
|
|
}
|
|
RTM_EXPORT(rtgui_widget_show);
|
|
|
|
rt_bool_t rtgui_widget_onshow(struct rtgui_object *object, struct rtgui_event *event)
|
|
{
|
|
struct rtgui_widget *widget = RTGUI_WIDGET(object);
|
|
|
|
if (!RTGUI_WIDGET_IS_HIDE(object))
|
|
return RT_FALSE;
|
|
|
|
RTGUI_WIDGET_UNHIDE(widget);
|
|
|
|
return RT_FALSE;
|
|
}
|
|
RTM_EXPORT(rtgui_widget_onshow);
|
|
|
|
rt_bool_t rtgui_widget_onhide(struct rtgui_object *object, struct rtgui_event *event)
|
|
{
|
|
struct rtgui_widget *widget = RTGUI_WIDGET(object);
|
|
|
|
if (RTGUI_WIDGET_IS_HIDE(object))
|
|
return RT_FALSE;
|
|
|
|
/* hide this widget */
|
|
RTGUI_WIDGET_HIDE(widget);
|
|
|
|
if (widget->parent != RT_NULL)
|
|
{
|
|
rtgui_widget_t *parent;
|
|
|
|
parent = widget->parent;
|
|
/* get the no transparent parent */
|
|
while (parent != RT_NULL && parent->flag & RTGUI_WIDGET_FLAG_TRANSPARENT)
|
|
{
|
|
parent = parent->parent;
|
|
}
|
|
|
|
/* union widget rect */
|
|
rtgui_region_union_rect(&(parent->clip), &(parent->clip), &(widget->extent));
|
|
}
|
|
|
|
return RT_FALSE;
|
|
}
|
|
RTM_EXPORT(rtgui_widget_onhide);
|
|
|
|
void rtgui_widget_hide(struct rtgui_widget *widget)
|
|
{
|
|
struct rtgui_event_hide ehide;
|
|
RT_ASSERT(widget != RT_NULL);
|
|
|
|
if (RTGUI_WIDGET_IS_HIDE(widget))
|
|
return;
|
|
|
|
RTGUI_EVENT_HIDE_INIT(&ehide);
|
|
if (RTGUI_OBJECT(widget)->event_handler != RT_NULL)
|
|
{
|
|
RTGUI_OBJECT(widget)->event_handler(
|
|
RTGUI_OBJECT(widget),
|
|
&ehide);
|
|
}
|
|
}
|
|
RTM_EXPORT(rtgui_widget_hide);
|
|
|
|
rtgui_color_t rtgui_widget_get_parent_foreground(rtgui_widget_t* widget)
|
|
{
|
|
rtgui_widget_t* parent;
|
|
|
|
/* get parent widget */
|
|
parent = widget->parent;
|
|
while (parent->parent != RT_NULL && (RTGUI_WIDGET_FLAG(parent) & RTGUI_WIDGET_FLAG_TRANSPARENT))
|
|
parent = parent->parent;
|
|
|
|
/* get parent's color */
|
|
if (parent != RT_NULL)
|
|
return RTGUI_WIDGET_FOREGROUND(parent);
|
|
|
|
return RTGUI_WIDGET_FOREGROUND(widget);
|
|
}
|
|
RTM_EXPORT(rtgui_widget_get_parent_foreground);
|
|
|
|
rtgui_color_t rtgui_widget_get_parent_background(rtgui_widget_t* widget)
|
|
{
|
|
rtgui_widget_t* parent;
|
|
|
|
/* get parent widget */
|
|
parent = widget->parent;
|
|
while (parent->parent != RT_NULL && (RTGUI_WIDGET_FLAG(parent) & RTGUI_WIDGET_FLAG_TRANSPARENT))
|
|
parent = parent->parent;
|
|
|
|
/* get parent's color */
|
|
if (parent != RT_NULL)
|
|
return RTGUI_WIDGET_BACKGROUND(parent);
|
|
|
|
return RTGUI_WIDGET_BACKGROUND(widget);
|
|
}
|
|
RTM_EXPORT(rtgui_widget_get_parent_background);
|
|
|
|
void rtgui_widget_update(rtgui_widget_t* widget)
|
|
{
|
|
struct rtgui_event_paint paint;
|
|
RTGUI_EVENT_PAINT_INIT(&paint);
|
|
paint.wid = RT_NULL;
|
|
|
|
RT_ASSERT(widget != RT_NULL);
|
|
|
|
if (RTGUI_WIDGET_IS_HIDE(widget))
|
|
return;
|
|
|
|
if (RTGUI_OBJECT(widget)->event_handler != RT_NULL)
|
|
{
|
|
RTGUI_OBJECT(widget)->event_handler(
|
|
RTGUI_OBJECT(widget),
|
|
&paint.parent);
|
|
}
|
|
}
|
|
RTM_EXPORT(rtgui_widget_update);
|
|
|
|
rtgui_widget_t* rtgui_widget_get_next_sibling(rtgui_widget_t* widget)
|
|
{
|
|
rtgui_widget_t* sibling = RT_NULL;
|
|
|
|
if (widget->sibling.next != RT_NULL)
|
|
{
|
|
sibling = rtgui_list_entry(widget->sibling.next, rtgui_widget_t, sibling);
|
|
}
|
|
|
|
return sibling;
|
|
}
|
|
RTM_EXPORT(rtgui_widget_get_next_sibling);
|
|
|
|
rtgui_widget_t* rtgui_widget_get_prev_sibling(rtgui_widget_t* widget)
|
|
{
|
|
struct rtgui_list_node* node;
|
|
rtgui_widget_t *sibling, *parent;
|
|
|
|
node = RT_NULL; sibling = RT_NULL;
|
|
parent = widget->parent;
|
|
if (parent != RT_NULL)
|
|
{
|
|
rtgui_list_foreach(node, &(RTGUI_CONTAINER(parent)->children))
|
|
{
|
|
if (node->next == &(widget->sibling))
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (node != RT_NULL)
|
|
sibling = rtgui_list_entry(node, rtgui_widget_t, sibling);
|
|
|
|
return sibling;
|
|
}
|
|
RTM_EXPORT(rtgui_widget_get_prev_sibling);
|
|
|
|
#ifdef RTGUI_WIDGET_DEBUG
|
|
#include <rtgui/widgets/label.h>
|
|
#include <rtgui/widgets/button.h>
|
|
void rtgui_widget_dump(rtgui_widget_t* widget)
|
|
{
|
|
struct rtgui_object *obj;
|
|
|
|
obj = RTGUI_OBJECT(widget);
|
|
rt_kprintf("widget type: %s ", obj->type->name);
|
|
|
|
if (RTGUI_IS_WIN(widget) == RT_TRUE)
|
|
rt_kprintf(":%s ", RTGUI_WIN(widget)->title);
|
|
else if ((RTGUI_IS_LABEL(widget) == RT_TRUE) || (RTGUI_IS_BUTTON(widget) == RT_TRUE))
|
|
rt_kprintf(":%s ", RTGUI_LABEL(widget)->text);
|
|
|
|
rt_kprintf("extent(%d, %d) - (%d, %d)\n", widget->extent.x1,
|
|
widget->extent.y1, widget->extent.x2, widget->extent.y2);
|
|
// rtgui_region_dump(&(widget->clip));
|
|
}
|
|
#endif
|