commands.h Example File | Qt 4.8 (original) (raw)

demos/undo/commands.h

#ifndef COMMANDS_H #define COMMANDS_H

#include #include "document.h"

class AddShapeCommand : public QUndoCommand { public: AddShapeCommand(Document *doc, const Shape &shape, QUndoCommand *parent = 0); void undo(); void redo();

private: Document *m_doc; Shape m_shape; QString m_shapeName; };

class RemoveShapeCommand : public QUndoCommand { public: RemoveShapeCommand(Document *doc, const QString &shapeName, QUndoCommand *parent = 0); void undo(); void redo();

private: Document *m_doc; Shape m_shape; QString m_shapeName; };

class SetShapeColorCommand : public QUndoCommand { public: SetShapeColorCommand(Document *doc, const QString &shapeName, const QColor &color, QUndoCommand *parent = 0);

void undo();
void redo();

bool mergeWith(const [QUndoCommand](qundocommand.html) *command);
int id() const;

private: Document *m_doc; QString m_shapeName; QColor m_oldColor; QColor m_newColor; };

class SetShapeRectCommand : public QUndoCommand { public: SetShapeRectCommand(Document *doc, const QString &shapeName, const QRect &rect, QUndoCommand *parent = 0);

void undo();
void redo();

bool mergeWith(const [QUndoCommand](qundocommand.html) *command);
int id() const;

private: Document *m_doc; QString m_shapeName; QRect m_oldRect; QRect m_newRect; };

#endif // COMMANDS_H

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