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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:24:48 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:24:48 +0000 |
commit | cca66b9ec4e494c1d919bff0f71a820d8afab1fa (patch) | |
tree | 146f39ded1c938019e1ed42d30923c2ac9e86789 /src/display/control/canvas-temporary-item.h | |
parent | Initial commit. (diff) | |
download | inkscape-upstream.tar.xz inkscape-upstream.zip |
Adding upstream version 1.2.2.upstream/1.2.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/display/control/canvas-temporary-item.h')
-rw-r--r-- | src/display/control/canvas-temporary-item.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/src/display/control/canvas-temporary-item.h b/src/display/control/canvas-temporary-item.h new file mode 100644 index 0000000..b2457c7 --- /dev/null +++ b/src/display/control/canvas-temporary-item.h @@ -0,0 +1,60 @@ +// 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 : |