canvasgesture_rulermove.h

/*
 For general Scribus (>=1.3.2) copyright and licensing information please refer
 to the COPYING file provided with the program. Following this notice may exist
 a copyright and/or license notice that predates the release of Scribus 1.3.2
 for which a new license (GPL+exception) is in place.
 */
/***************************************************************************
*                                                                         *
*   This program is free software; you can redistribute it and/or modify  *
*   it under the terms of the GNU General Public License as published by  *
*   the Free Software Foundation; either version 2 of the License, or     *
*   (at your option) any later version.                                   *
*                                                                         *
***************************************************************************/



#ifndef CANVAS_GESTURE_RULERMOVE_H
#define CANVAS_GESTURE_RULERMOVE_H

#include <QPoint>

class QCursor;
class QDragEnterEvent;
class QDragMoveEvent;
class QDragLeaveEvent;
class QDropEvent;
class QEvent;
class QInputMethodEvent;
class QMouseEvent;
class QKeyEvent;
class QPainter;

#include "scribusapi.h"
#include "canvas.h"
#include "canvasgesture.h"
#include "canvasmode.h"
#include "fpoint.h"

class ScribusMainWindow;
class ScribusView;

class SCRIBUS_API RulerGesture : public CanvasGesture
{
    Q_OBJECT
public:
    enum Mode { HORIZONTAL, VERTICAL, ORIGIN };
    RulerGesture (ScribusView* view, Mode mode);
    virtual ~RulerGesture() {}

    void prepare(Mode mode);
    void clear();
    
    virtual void drawControls(QPainter* p);
    virtual void activate(bool);
    virtual void deactivate(bool);
    virtual void mouseReleaseEvent(QMouseEvent *m);
    virtual void mouseMoveEvent(QMouseEvent *m);
    virtual void mousePressEvent(QMouseEvent *m);
    
    Mode getMode() { return m_mode; }
    bool mouseHitsGuide(FPoint mousePointDoc);
    void mouseSelectGuide(QMouseEvent *m);
private:
    ScribusMainWindow* m_ScMW;
    Mode m_mode;
    bool m_haveGuide;
    int m_page;
    double m_guide;
    double m_currentGuide;
    bool m_haveCursor;
    QCursor m_cursor;
    QPoint m_xy;
    FPoint m_mousePoint;
    void movePoint(QMouseEvent *m, bool mouseRelease);
    
    signals:
        void guideInfo(int /*direction*/, qreal /*position*/);
};


#endif