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Sourcecode: kdenlive version File versions


                          trackpanelfunction.h  -  description
    begin                : Sun May 18 2003
    copyright            : (C) 2003 by Jason Wood
    email                : jasonwood@blueyonder.co.uk

 *                                                                         *
 *   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.                                   *
 *                                                                         *

#include "qcursor.h"

#include "trackpanelfunction.h"
#include "snaptogrid.h"

class QMouseEvent;
class DocTrackBase;
class KdenliveDoc;

namespace Gui {
    class KdenliveApp;
    class KTimeLine;
} namespace Command {
    class KMoveClipsCommand;
Abstract Base Class for track panel functionality decorators. This and it's
derived classes allow different behaviours to be added to panels as required.

@author Jason Wood
00040 */ class TrackPanelSpacerFunction:public TrackPanelFunction
  Q_OBJECT public:
    TrackPanelSpacerFunction(Gui::KdenliveApp * app,
      Gui::KTimeLine * timeline, KdenliveDoc * doc);

    virtual ~ TrackPanelSpacerFunction();

      Returns true if the specified position should cause this function to activate,
      otherwise returns false.
    virtual bool mouseApplies(Gui::KTrackPanel *, QMouseEvent *) const;

      Returns a relevant mouse cursor for the given mouse position
    virtual QCursor getMouseCursor(Gui::KTrackPanel *, QMouseEvent *);

      A mouse button has been pressed. Returns true if we want to handle this event
    virtual bool mousePressed(Gui::KTrackPanel * panel,
      QMouseEvent * event);

      /** Processes Mouse double click.*/
    virtual bool mouseDoubleClicked(Gui::KTrackPanel *, QMouseEvent *);

      Mouse Release Events in the track view area. Returns true if we have finished
      an operation now.
    virtual bool mouseReleased(Gui::KTrackPanel *, QMouseEvent *);

      Processes Mouse Move events in the track view area. Returns true if we are
      continuing with the drag.*/
    virtual bool mouseMoved(Gui::KTrackPanel *, QMouseEvent * event);
     Gui::KdenliveApp * m_app;
     Gui::KTimeLine * m_timeline;
    DocClipRef *m_clipUnderMouse;
    KdenliveDoc *m_doc;
    DocClipRef *m_masterClip;
     Command::KMoveClipsCommand * m_moveClipsCommand;

      When dragging a clip, this is the time offset that should be applied to where
      the mouse cursor to find the beginning of the master clip.
00091     GenTime m_clipOffset;
    SnapToGrid m_snapToGrid;


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