From 3f73995a03c4b40e2648cb9af5d3e7ca393bf597 Mon Sep 17 00:00:00 2001
From: Mitch Curtis <mitch.curtis@qt.io>
Date: Tue, 10 Mar 2020 15:40:56 +0100
Subject: Move undo framework out of Qt Widgets

- Moves QUndo* classes (except QUndoView) from src/widgets/utils to src/gui/utils
- Moves related auto tests from widgets to gui
- Replaces QUndoAction with lambdas that do text prefixing

[ChangeLog][Undo Framework] QUndo* classes (except QUndoView) were moved from Qt
Widgets to Qt GUI.

Done-with: volker.hilsheimer@qt.io
Fixes: QTBUG-40040
Change-Id: I3bd8d4d32c64f8dee548f62159a1df2126da89d8
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
---
 src/gui/util/qundostack_p.h | 104 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100644 src/gui/util/qundostack_p.h

(limited to 'src/gui/util/qundostack_p.h')

diff --git a/src/gui/util/qundostack_p.h b/src/gui/util/qundostack_p.h
new file mode 100644
index 0000000000..5f2c438a83
--- /dev/null
+++ b/src/gui/util/qundostack_p.h
@@ -0,0 +1,104 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QUNDOSTACK_P_H
+#define QUNDOSTACK_P_H
+
+#include <QtGui/private/qtguiglobal_p.h>
+#include <private/qobject_p.h>
+#include <QtCore/qlist.h>
+#include <QtCore/qstring.h>
+#if QT_CONFIG(action)
+#  include <QtGui/qaction.h>
+#endif
+
+#include "qundostack.h"
+
+QT_BEGIN_NAMESPACE
+class QUndoCommand;
+class QUndoGroup;
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+class QUndoCommandPrivate
+{
+public:
+    QUndoCommandPrivate() : id(-1), obsolete(false) {}
+    QList<QUndoCommand*> child_list;
+    QString text;
+    QString actionText;
+    int id;
+    bool obsolete;
+};
+
+#if QT_CONFIG(undostack)
+
+class QUndoStackPrivate : public QObjectPrivate
+{
+    Q_DECLARE_PUBLIC(QUndoStack)
+public:
+    QUndoStackPrivate() : index(0), clean_index(0), group(nullptr), undo_limit(0) {}
+
+    QList<QUndoCommand*> command_list;
+    QList<QUndoCommand*> macro_stack;
+    int index;
+    int clean_index;
+    QUndoGroup *group;
+    int undo_limit;
+
+    void setIndex(int idx, bool clean);
+    bool checkUndoLimit();
+
+#ifndef QT_NO_ACTION
+    static void setPrefixedText(QAction *action, const QString &prefix, const QString &defaultText, const QString &text);
+#endif
+};
+
+QT_END_NAMESPACE
+#endif // QT_CONFIG(undostack)
+#endif // QUNDOSTACK_P_H
-- 
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