Added old abandoned KDE3 version of the RoseGarden MIDI tool

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/rosegarden@1097595 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 177 insertions, 0 deletions

diff --git a/src/gui/editors/matrix/MatrixSelector.h b/src/gui/editors/matrix/MatrixSelector.h
new file mode 100644
index 0000000..a1d1ca4
--- /dev/null
+++ b/src/gui/editors/matrix/MatrixSelector.h
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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   <[email protected]>,
+        Chris Cannam        <[email protected]>,
+        Richard Bown        <[email protected]>
+
+    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_MATRIXSELECTOR_H_
+#define _RG_MATRIXSELECTOR_H_
+
+#include "MatrixTool.h"
+#include <qstring.h>
+#include "base/Event.h"
+
+
+class QMouseEvent;
+class QCanvasRectangle;
+
+
+namespace Rosegarden
+{
+
+class ViewElement;
+class MatrixView;
+class MatrixStaff;
+class MatrixElement;
+class EventSelection;
+class Event;
+class EditTool;
+
+
+class MatrixSelector : public MatrixTool
+{
+    Q_OBJECT
+
+    friend class MatrixToolBox;
+
+public:
+
+    virtual void handleLeftButtonPress(timeT time,
+                                       int height,
+                                       int staffNo,
+                                       QMouseEvent *event,
+                                       ViewElement *element);
+
+    virtual void handleMidButtonPress(timeT time,
+                                      int height,
+                                      int staffNo,
+                                      QMouseEvent *event,
+                                      ViewElement *element);
+
+    virtual int handleMouseMove(timeT time,
+                                int height,
+                                QMouseEvent *event);
+
+    virtual void handleMouseRelease(timeT,
+                                    int height,
+                                    QMouseEvent *event);
+
+    /**
+     * Double-click: edit an event or make a whole-bar selection
+     */
+    virtual void handleMouseDoubleClick(timeT time,
+                                        int height,
+                                        int staffNo,
+                                        QMouseEvent* event,
+                                        ViewElement *element);
+
+    /**
+     * Triple-click: maybe make a whole-staff selection
+     */
+    virtual void handleMouseTripleClick(timeT time,
+                                        int height,
+                                        int staffNo,
+                                        QMouseEvent* event,
+                                        ViewElement *element);
+
+
+    /**
+     * Create the selection rect
+     *
+     * We need this because MatrixView deletes all QCanvasItems
+     * along with it. This happens before the MatrixSelector is
+     * deleted, so we can't delete the selection rect in
+     * ~MatrixSelector 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);
+
+    static const QString ToolName;
+
+public slots:
+    /**
+     * Hide the selection rectangle
+     *
+     * Should be called after a cut or a copy has been
+     * performed
+     */
+    void slotHideSelection();
+
+    void slotClickTimeout();
+
+protected slots:
+
+    void slotMatrixScrolled(int x, int y);
+
+signals:
+    void gotSelection(); // inform that we've got a new selection
+    void editTriggerSegment(int);
+    
+protected:
+    MatrixSelector(MatrixView*);
+
+    void setContextHelpFor(QPoint p, bool ctrlPressed = false);
+
+    void setViewCurrentSelection();
+    
+    //--------------- Data members ---------------------------------
+
+    QCanvasRectangle* m_selectionRect;
+    bool m_updateRect;
+
+    int m_clickedStaff;
+    MatrixStaff* m_currentStaff;
+
+    MatrixElement* m_clickedElement;
+
+    // tool to delegate to
+    EditTool*    m_dispatchTool;
+
+    bool m_justSelectedBar;
+
+    MatrixView * m_matrixView;
+
+    EventSelection *m_selectionToMerge;
+};
+
+
+
+}
+
+#endif