operations.h

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#ifndef OPERATION_H
#define OPERATION_H

#include "ui/sheetscene.h"
#include "ui/objects/gobject.h"
#include "ui/objects/gline.h"
#include "ui/objects/grect.h"
#include "ui/objects/gtext.h"

class QGraphicsSceneMouseEvent;
class QKeyEvent;

class SceneOperation : public QObject
{
    Q_OBJECT
public:
    explicit SceneOperation(SheetScene *scene);
    virtual ~SceneOperation();

    virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);
    virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
    virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
    virtual void keyPressEvent(QKeyEvent *event);
    virtual void cancel();

signals:
    void finished();

protected:
    SheetScene *scene{};
    GObject *obj{};
    int state = 0;
};

class OpInsertLine : public SceneOperation
{
public:
    using SceneOperation::SceneOperation;

    void mousePressEvent(QGraphicsSceneMouseEvent *event) override;
    void mouseMoveEvent(QGraphicsSceneMouseEvent *event) override;

private:
    GLine *object() const;
};

class OpInsertRect : public SceneOperation
{
public:
    using SceneOperation::SceneOperation;

    void mousePressEvent(QGraphicsSceneMouseEvent *event) override;
    void mouseMoveEvent(QGraphicsSceneMouseEvent *event) override;

    GRect *object() const;
};

class OpInsertText : public SceneOperation
{
    Q_OBJECT
public:
    explicit OpInsertText(SheetScene *scene, GText *text = nullptr);

    void mousePressEvent(QGraphicsSceneMouseEvent *event) override;

    GText *object() const;
};

class OpInsertComponent : public SceneOperation
{
public:
    OpInsertComponent(SheetScene *scene, Component *obj);

    void mousePressEvent(QGraphicsSceneMouseEvent *event) override;
    void mouseMoveEvent(QGraphicsSceneMouseEvent *event) override;
};

#endif // OPERATION_H