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QUndoStack: add more Q_PROPERTYs 

This is the first step in being able to use the undo framework in QML.
The next step would be to separate it out of Qt Widgets so that a pure
Qt Quick application doesn't need to rely on it.

Note that QUndoCommand is not a QObject, so we cannot expose its text
member as a property until Qt 6.

[ChangeLog][QUndoStack] Exposed canUndo, canRedo, undoText, redoText
and clean as Q_PROPERTYs.

Task-number: QTBUG-40040
Change-Id: Ida7ec03f871f0db7fdcc5b90ed200024c5cb348e
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
bb10
Mitch Curtis 2018-03-07 08:59:39 +01:00
parent e97311ad75
commit 59e9c4956c
1 changed files with 5 additions and 0 deletions
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5
src/widgets/util/qundostack.h
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@ -90,6 +90,11 @@ class Q_WIDGETS_EXPORT QUndoStack : public QObject
Q_DECLARE_PRIVATE(QUndoStack)
Q_PROPERTY(bool active READ isActive WRITE setActive)
Q_PROPERTY(int undoLimit READ undoLimit WRITE setUndoLimit)
Q_PROPERTY(bool canUndo READ canUndo NOTIFY canUndoChanged)
Q_PROPERTY(bool canRedo READ canRedo NOTIFY canRedoChanged)
Q_PROPERTY(QString undoText READ undoText NOTIFY undoTextChanged)
Q_PROPERTY(QString redoText READ redoText NOTIFY redoTextChanged)
Q_PROPERTY(bool clean READ isClean NOTIFY cleanChanged)
public:
explicit QUndoStack(QObject *parent = nullptr);