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// SPDX-License-Identifier: GPL-2.0-or-later
#ifndef INKSCAPE_CANVAS_TEMPORARY_ITEM_H
#define INKSCAPE_CANVAS_TEMPORARY_ITEM_H
/*
* Authors:
* Johan Engelen
*
* Copyright (C) Johan Engelen 2008 <j.b.c.engelen@utwente.nl>
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include <sigc++/signal.h>
namespace Inkscape {
class CanvasItem;
namespace Display {
/**
* Provides a class to put a canvasitem temporarily on-canvas.
*/
class TemporaryItem {
public:
TemporaryItem(Inkscape::CanvasItem *item, unsigned int lifetime, bool destroy_on_deselect = false);
virtual ~TemporaryItem();
TemporaryItem(const TemporaryItem&) = delete;
TemporaryItem& operator=(const TemporaryItem&) = delete;
sigc::signal<void, TemporaryItem *> signal_timeout;
protected:
friend class TemporaryItemList;
Inkscape::CanvasItem * canvasitem = nullptr; /** The item we are holding on to */
unsigned int 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 int _timeout(void* data); ///< callback for when lifetime expired
};
} //namespace Display
} //namespace Inkscape
#endif
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :
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