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, 118 insertions, 0 deletions

diff --git a/src/gui/rulers/ControllerEventsRuler.h b/src/gui/rulers/ControllerEventsRuler.h
new file mode 100644
index 0000000..2b42274
--- /dev/null
+++ b/src/gui/rulers/ControllerEventsRuler.h
@@ -0,0 +1,118 @@
+
+/* -*- 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_CONTROLLEREVENTSRULER_H_
+#define _RG_CONTROLLEREVENTSRULER_H_
+
+#include "ControlRuler.h"
+#include <qstring.h>
+#include "base/Event.h"
+
+
+class QWidget;
+class QMouseEvent;
+class QCanvasLine;
+class QCanvas;
+
+
+namespace Rosegarden
+{
+
+class Segment;
+class RulerScale;
+class Event;
+class EditViewBase;
+class ControlParameter;
+class ControlItem;
+
+
+/**
+ * ControllerEventsRuler : edit Controller events
+ */
+class ControllerEventsRuler : public ControlRuler
+{
+public:
+    ControllerEventsRuler(Segment*,
+                          RulerScale*,
+                          EditViewBase* parentView,
+                          QCanvas*,
+                          QWidget* parent=0,
+                          const ControlParameter *controller = 0,
+                          const char* name=0, WFlags f=0);
+
+    virtual ~ControllerEventsRuler();
+
+    virtual QString getName();
+    int getDefaultItemWidth() { return m_defaultItemWidth; }
+
+    // Allow something external to reset the selection of Events
+    // that this ruler is displaying
+    //
+    void setSegment(Segment *);
+
+    /// SegmentObserver interface
+    virtual void eventAdded(const Segment *, Event *);
+    virtual void eventRemoved(const Segment *, Event *);
+
+    virtual void insertControllerEvent();
+    virtual void eraseControllerEvent();
+    virtual void clearControllerEvents();
+    virtual void startControlLine();
+
+    ControlParameter* getControlParameter() { return m_controller; }
+
+protected:
+
+    virtual void init();
+    virtual void drawBackground();
+
+    // Let's override these again here
+    //
+    virtual void contentsMousePressEvent(QMouseEvent*);
+    virtual void contentsMouseReleaseEvent(QMouseEvent*);
+    virtual void contentsMouseMoveEvent(QMouseEvent*);
+
+    virtual void layoutItem(ControlItem*);
+
+    void drawControlLine(timeT startTime,
+                         timeT endTime,
+                         int startValue,
+                         int endValue);
+
+    //--------------- Data members ---------------------------------
+    int                           m_defaultItemWidth;
+
+    ControlParameter  *m_controller;
+    QCanvasLine                   *m_controlLine;
+    
+    bool                           m_controlLineShowing;
+    int                            m_controlLineX;
+    int                            m_controlLineY;
+};
+
+
+}
+
+#endif