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119 lines
3.3 KiB
119 lines
3.3 KiB
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
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/*
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Rosegarden
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A MIDI and audio sequencer and musical notation editor.
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This program is Copyright 2000-2008
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Guillaume Laurent <glaurent@telegraph-road.org>,
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Chris Cannam <cannam@all-day-breakfast.com>,
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Richard Bown <richard.bown@ferventsoftware.com>
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The moral rights of Guillaume Laurent, Chris Cannam, and Richard
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Bown to claim authorship of this work have been asserted.
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Other copyrights also apply to some parts of this work. Please
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see the AUTHORS file and individual file headers for details.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version. See the file
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COPYING included with this distribution for more information.
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*/
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#ifndef _RG_CONTROLLEREVENTSRULER_H_
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#define _RG_CONTROLLEREVENTSRULER_H_
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#include "ControlRuler.h"
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#include <tqstring.h>
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#include "base/Event.h"
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class TQWidget;
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class TQMouseEvent;
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class TQCanvasLine;
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class TQCanvas;
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namespace Rosegarden
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{
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class Segment;
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class RulerScale;
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class Event;
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class EditViewBase;
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class ControlParameter;
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class ControlItem;
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/**
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* ControllerEventsRuler : edit Controller events
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*/
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class ControllerEventsRuler : public ControlRuler
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{
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public:
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ControllerEventsRuler(Segment*,
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RulerScale*,
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EditViewBase* parentView,
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TQCanvas*,
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TQWidget* parent=0,
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const ControlParameter *controller = 0,
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const char* name=0, WFlags f=0);
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virtual ~ControllerEventsRuler();
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virtual TQString getName();
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int getDefaultItemWidth() { return m_defaultItemWidth; }
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// Allow something external to reset the selection of Events
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// that this ruler is displaying
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//
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void setSegment(Segment *);
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/// SegmentObserver interface
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virtual void eventAdded(const Segment *, Event *);
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virtual void eventRemoved(const Segment *, Event *);
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virtual void insertControllerEvent();
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virtual void eraseControllerEvent();
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virtual void clearControllerEvents();
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virtual void startControlLine();
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ControlParameter* getControlParameter() { return m_controller; }
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protected:
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virtual void init();
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virtual void drawBackground();
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// Let's override these again here
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//
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virtual void contentsMousePressEvent(TQMouseEvent*);
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virtual void contentsMouseReleaseEvent(TQMouseEvent*);
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virtual void contentsMouseMoveEvent(TQMouseEvent*);
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virtual void layoutItem(ControlItem*);
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void tqdrawControlLine(timeT startTime,
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timeT endTime,
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int startValue,
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int endValue);
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//--------------- Data members ---------------------------------
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int m_defaultItemWidth;
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ControlParameter *m_controller;
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TQCanvasLine *m_controlLine;
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bool m_controlLineShowing;
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int m_controlLineX;
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int m_controlLineY;
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};
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}
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#endif
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