| 1 | // Copyright (C) 2020 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | #ifndef QUNDOGROUP_H |
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| 5 | #define QUNDOGROUP_H |
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| 6 | |
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| 7 | #include <QtGui/qtguiglobal.h> |
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| 8 | #include <QtCore/qobject.h> |
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| 9 | #include <QtCore/qstring.h> |
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| 10 | |
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| 11 | QT_REQUIRE_CONFIG(undogroup); |
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| 12 | |
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| 13 | QT_BEGIN_NAMESPACE |
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| 14 | |
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| 15 | class QUndoGroupPrivate; |
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| 16 | class QUndoStack; |
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| 17 | class QAction; |
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| 18 | |
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| 19 | class Q_GUI_EXPORT QUndoGroup : public QObject |
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| 20 | { |
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| 21 | Q_OBJECT |
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| 22 | Q_DECLARE_PRIVATE(QUndoGroup) |
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| 23 | |
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| 24 | public: |
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| 25 | explicit QUndoGroup(QObject *parent = nullptr); |
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| 26 | ~QUndoGroup(); |
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| 27 | |
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| 28 | void addStack(QUndoStack *stack); |
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| 29 | void removeStack(QUndoStack *stack); |
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| 30 | QList<QUndoStack*> stacks() const; |
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| 31 | QUndoStack *activeStack() const; |
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| 32 | |
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| 33 | #ifndef QT_NO_ACTION |
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| 34 | QAction *createUndoAction(QObject *parent, const QString &prefix = QString()) const; |
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| 35 | QAction *createRedoAction(QObject *parent, const QString &prefix = QString()) const; |
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| 36 | #endif // QT_NO_ACTION |
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| 37 | |
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| 38 | bool canUndo() const; |
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| 39 | bool canRedo() const; |
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| 40 | QString undoText() const; |
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| 41 | QString redoText() const; |
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| 42 | bool isClean() const; |
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| 43 | |
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| 44 | public Q_SLOTS: |
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| 45 | void undo(); |
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| 46 | void redo(); |
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| 47 | void setActiveStack(QUndoStack *stack); |
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| 48 | |
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| 49 | Q_SIGNALS: |
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| 50 | void activeStackChanged(QUndoStack *stack); |
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| 51 | void indexChanged(int idx); |
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| 52 | void cleanChanged(bool clean); |
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| 53 | void canUndoChanged(bool canUndo); |
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| 54 | void canRedoChanged(bool canRedo); |
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| 55 | void undoTextChanged(const QString &undoText); |
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| 56 | void redoTextChanged(const QString &redoText); |
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| 57 | |
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| 58 | private: |
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| 59 | Q_DISABLE_COPY(QUndoGroup) |
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| 60 | }; |
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| 61 | |
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| 62 | QT_END_NAMESPACE |
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| 63 | |
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| 64 | #endif // QUNDOGROUP_H |
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| 65 | |
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