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author | Grace Karanja <gracie.karanja89@gmail.com> | 2015-02-09 09:17:38 +0100 |
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committer | Dirk Hohndel <dirk@hohndel.org> | 2015-02-09 21:02:07 -0800 |
commit | 853dfa66735db874cc16688e6fd9ad9320474e37 (patch) | |
tree | 64f82e2fefb7dd957c083a5274713d7d67d31022 /qt-ui/undobuffer.h | |
parent | c2e23914932cdfa254e817c06af064992888d377 (diff) | |
download | subsurface-853dfa66735db874cc16688e6fd9ad9320474e37.tar.gz |
Create UndoBuffer class
Add an empty UndoBuffer class. This will be built up on to
implement a working undo/redo mechanism.
Signed-off-by: Grace Karanja <gracie.karanja89@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
Diffstat (limited to 'qt-ui/undobuffer.h')
-rw-r--r-- | qt-ui/undobuffer.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/qt-ui/undobuffer.h b/qt-ui/undobuffer.h new file mode 100644 index 000000000..a292d3ba7 --- /dev/null +++ b/qt-ui/undobuffer.h @@ -0,0 +1,24 @@ +#ifndef UNDOBUFFER_H +#define UNDOBUFFER_H + +#include <QObject> +#include "dive.h" + +class UndoBuffer : public QObject +{ + Q_OBJECT +public: + explicit UndoBuffer(QObject *parent = 0); + ~UndoBuffer(); + bool canUndo(); + bool canRedo(); +private: + int curIdx; +public slots: + void redo(); + void undo(); + void recordbefore(QString commandName, dive *affectedDive); + void recordAfter(dive *affectedDive); +}; + +#endif // UNDOBUFFER_H |