canvas-temporary-item.h revision 0dc33d4ce43e0bb49c63aa53b826ec4a1ff68e28
#ifndef INKSCAPE_CANVAS_TEMPORARY_ITEM_H
#define INKSCAPE_CANVAS_TEMPORARY_ITEM_H
/** \file
* Provides a class to put a canvasitem temporarily on-canvas.
*
* Authors:
* Johan Engelen
*
* Copyright (C) Johan Engelen 2008 <j.b.c.engelen@utwente.nl>
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#include <sigc++/sigc++.h>
#include <glib/gtypes.h>
struct SPCanvasItem;
namespace Inkscape {
namespace Display {
class TemporaryItem {
public:
TemporaryItem(SPCanvasItem *item, guint lifetime, bool destroy_on_deselect = false);
virtual ~TemporaryItem();
sigc::signal<void, TemporaryItem *> signal_timeout;
protected:
friend class TemporaryItemList;
SPCanvasItem * canvasitem; /** The item we are holding on to */
guint timeout_id; /** ID by which glib knows the timeout event */
bool destroy_on_deselect; // only destroy when parent item is deselected, not when mouse leaves
static gboolean _timeout(gpointer data); ///< callback for when lifetime expired
private:
TemporaryItem(const TemporaryItem&);
TemporaryItem& operator=(const TemporaryItem&);
};
} //namespace Display
} //namespace Inkscape
#endif
/*
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c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
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*/
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