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+
+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
+
+/*
+ Rosegarden
+ A MIDI and audio sequencer and musical notation editor.
+
+ This program is Copyright 2000-2008
+ Guillaume Laurent <glaurent@telegraph-road.org>,
+ Chris Cannam <cannam@all-day-breakfast.com>,
+ Richard Bown <richard.bown@ferventsoftware.com>
+
+ The moral rights of Guillaume Laurent, Chris Cannam, and Richard
+ Bown to claim authorship of this work have been asserted.
+
+ Other copyrights also apply to some parts of this work. Please
+ see the AUTHORS file and individual file headers for details.
+
+ 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. See the file
+ COPYING included with this distribution for more information.
+*/
+
+#ifndef _RG_NOTATIONSELECTOR_H_
+#define _RG_NOTATIONSELECTOR_H_
+
+#include "NotationTool.h"
+#include "NotationElement.h"
+#include <qstring.h>
+#include "base/Event.h"
+
+
+class QMouseEvent;
+class QCanvasRectangle;
+class m_clickedElement;
+
+
+namespace Rosegarden
+{
+
+class ViewElement;
+class NotationView;
+class NotationStaff;
+class NotationElement;
+class EventSelection;
+class Event;
+
+
+/**
+ * Rectangular note selection
+ */
+class NotationSelector : public NotationTool
+{
+ Q_OBJECT
+
+ friend class NotationToolBox;
+
+public:
+
+ ~NotationSelector();
+
+ virtual void handleLeftButtonPress(timeT,
+ int height,
+ int staffNo,
+ QMouseEvent*,
+ ViewElement* el);
+
+ virtual void handleRightButtonPress(timeT time,
+ int height,
+ int staffNo,
+ QMouseEvent*,
+ ViewElement*);
+
+ virtual int handleMouseMove(timeT,
+ int height,
+ QMouseEvent*);
+
+ virtual void handleMouseRelease(timeT time,
+ int height,
+ QMouseEvent*);
+
+ virtual void handleMouseDoubleClick(timeT,
+ int height,
+ int staffNo,
+ QMouseEvent*,
+ ViewElement*);
+
+ virtual void handleMouseTripleClick(timeT,
+ int height,
+ int staffNo,
+ QMouseEvent*,
+ ViewElement*);
+
+ /**
+ * Create the selection rect
+ *
+ * We need this because NotationView deletes all QCanvasItems
+ * along with it. This happens before the NotationSelector is
+ * deleted, so we can't delete the selection rect in
+ * ~NotationSelector because that leads to double deletion.
+ */
+ virtual void ready();
+
+ /**
+ * Delete the selection rect.
+ */
+ virtual void stow();
+
+ /**
+ * Returns the currently selected events
+ *
+ * The returned result is owned by the caller
+ */
+ EventSelection* getSelection();
+
+ /**
+ * Respond to an event being deleted -- it may be the one the tool
+ * is remembering as the current event.
+ */
+ virtual void handleEventRemoved(Event *event) {
+ if (m_clickedElement && m_clickedElement->event() == event) {
+ m_clickedElement = 0;
+ }
+ }
+
+ static const QString ToolName;
+
+signals:
+ void editElement(NotationStaff *, NotationElement *, bool advanced);
+
+public slots:
+ /**
+ * Hide the selection rectangle
+ *
+ * Should be called after a cut or a copy has been
+ * performed
+ */
+ void slotHideSelection();
+
+ void slotInsertSelected();
+ void slotEraseSelected();
+// void slotCollapseRests();
+ void slotCollapseRestsHard();
+ void slotRespellFlat();
+ void slotRespellSharp();
+ void slotRespellNatural();
+ void slotCollapseNotes();
+ void slotInterpret();
+ void slotStaffAbove();
+ void slotStaffBelow();
+ void slotMakeInvisible();
+ void slotMakeVisible();
+
+ void slotClickTimeout();
+
+protected:
+ NotationSelector(NotationView*);
+
+ /**
+ * Set the current selection on the parent NotationView
+ */
+ void setViewCurrentSelection(bool preview);
+
+ /**
+ * Look up the staff containing the given notation element
+ */
+ NotationStaff *getStaffForElement(NotationElement *elt);
+
+ void drag(int x, int y, bool final);
+ void dragFine(int x, int y, bool final);
+
+ //--------------- Data members ---------------------------------
+
+ QCanvasRectangle* m_selectionRect;
+ bool m_updateRect;
+
+ NotationStaff *m_selectedStaff;
+ NotationElement *m_clickedElement;
+ bool m_clickedShift;
+ bool m_startedFineDrag;
+
+ EventSelection *m_selectionToMerge;
+
+ long m_lastDragPitch;
+ timeT m_lastDragTime;
+
+ bool m_justSelectedBar;
+ bool m_wholeStaffSelectionComplete;
+};
+
+
+
+}
+
+#endif