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// SPDX-License-Identifier: GPL-2.0-or-later
/** @file
* TODO: insert short description here
*//*
* Authors: see git history
*
* Copyright (C) 2018 Authors
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#ifndef SEEN_SP_DOCUMENT_UNDO_H
#define SEEN_SP_DOCUMENT_UNDO_H
#include <glib.h> // gboolean, gchar
namespace Glib {
class ustring;
}
class SPDocument;
namespace Inkscape {
class DocumentUndo
{
public:
/**
* Set undo sensitivity.
*
* Don't use this to temporarily turn sensitivity off, use ScopedInsensitive instead.
*/
static void setUndoSensitive(SPDocument *doc, bool sensitive);
static bool getUndoSensitive(SPDocument const *document);
static void clearUndo(SPDocument *document);
static void clearRedo(SPDocument *document);
/* undo_icon is only used in History dialog. */
static void done(SPDocument *document, Glib::ustring const &event_description, Glib::ustring const &undo_icon);
static void maybeDone(SPDocument *document, const gchar *keyconst, Glib::ustring const &event_description, Glib::ustring const &undo_icon);
private:
static void finish_incomplete_transaction(SPDocument &document);
static void perform_document_update(SPDocument &document);
public:
static void resetKey(SPDocument *document);
static void cancel(SPDocument *document);
static gboolean undo(SPDocument *document);
static gboolean redo(SPDocument *document);
/**
* RAII-style mechanism for creating a temporary undo-insensitive context.
*
* \verbatim
{
DocumentUndo::ScopedInsensitive tmp(document);
... do stuff ...
// "tmp" goes out of scope here and automatically restores undo-sensitivity
} \endverbatim
*/
class ScopedInsensitive {
SPDocument * m_doc;
bool m_saved;
public:
ScopedInsensitive(SPDocument *doc)
: m_doc(doc)
{
m_saved = getUndoSensitive(doc);
setUndoSensitive(doc, false);
}
~ScopedInsensitive() { setUndoSensitive(m_doc, m_saved); }
};
};
} // namespace Inkscape
#endif // SEEN_SP_DOCUMENT_UNDO_H
/*
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:fileencoding=utf-8:textwidth=99 :
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