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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:24:48 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:24:48 +0000
commitcca66b9ec4e494c1d919bff0f71a820d8afab1fa (patch)
tree146f39ded1c938019e1ed42d30923c2ac9e86789 /src/display/control/canvas-temporary-item.h
parentInitial commit. (diff)
downloadinkscape-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 '')
-rw-r--r--src/display/control/canvas-temporary-item.h60
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
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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 :