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178 lines
5.5 KiB
178 lines
5.5 KiB
/*
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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_COMPOSITIONMODEL_H_
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#define _RG_COMPOSITIONMODEL_H_
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#include "base/Composition.h"
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#include "base/Segment.h"
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#include <set>
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#include <tqcolor.h>
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#include <tqobject.h>
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#include <tqimage.h>
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#include <tqpoint.h>
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#include <tqrect.h>
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#include <utility>
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#include <vector>
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#include "base/Event.h"
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#include "CompositionRect.h"
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#include "CompositionItem.h"
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class RectRanges;
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class CompositionItem;
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class AudioPreviewDrawData;
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namespace Rosegarden
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{
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class SnapGrid;
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typedef std::vector<TQImage> PixmapArray;
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class CompositionModel : public TQObject, public CompositionObserver, public SegmentObserver
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{
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TQ_OBJECT
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public:
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struct CompositionItemCompare {
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bool operator()(const CompositionItem &c1, const CompositionItem &c2) const;
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};
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typedef std::vector<TQRect> rectlist;
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typedef std::vector<int> heightlist;
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typedef std::vector<CompositionRect> rectcontainer;
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typedef std::set<CompositionItem, CompositionItemCompare> itemcontainer;
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struct AudioPreviewDrawDataItem {
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AudioPreviewDrawDataItem(PixmapArray p, TQPoint bp, TQRect r) :
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pixmap(p), basePoint(bp), rect(r), resizeOffset(0) {};
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PixmapArray pixmap;
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TQPoint basePoint;
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TQRect rect;
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// when showing a segment that is being resized from the
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// beginning, this contains the offset between the current
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// rect of the segment and the resized one
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int resizeOffset;
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};
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typedef std::vector<AudioPreviewDrawDataItem> AudioPreviewDrawData;
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struct RectRange {
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std::pair<rectlist::iterator, rectlist::iterator> range;
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TQPoint basePoint;
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TQColor color;
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};
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typedef std::vector<RectRange> RectRanges;
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class AudioPreviewData {
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public:
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AudioPreviewData(bool showMinima, unsigned int channels) : m_showMinima(showMinima), m_channels(channels) {};
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// ~AudioPreviewData();
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bool showsMinima() { return m_showMinima; }
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void setShowMinima(bool s) { m_showMinima = s; }
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unsigned int getChannels() { return m_channels; }
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void setChannels(unsigned int c) { m_channels = c; }
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const std::vector<float> &getValues() const { return m_values; }
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void setValues(const std::vector<float>&v) { m_values = v; }
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TQRect getSegmentRect() { return m_segmentRect; }
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void setSegmentRect(const TQRect& r) { m_segmentRect = r; }
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protected:
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std::vector<float> m_values;
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bool m_showMinima;
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unsigned int m_channels;
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TQRect m_segmentRect;
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private:
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// no copy ctor
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AudioPreviewData(const AudioPreviewData&);
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};
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virtual ~CompositionModel() {};
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virtual unsigned int getNbRows() = 0;
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virtual const rectcontainer& getRectanglesIn(const TQRect& rect,
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RectRanges* notationRects, AudioPreviewDrawData* audioRects) = 0;
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virtual heightlist getTrackDividersIn(const TQRect& rect) = 0;
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virtual itemcontainer getItemsAt (const TQPoint&) = 0;
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virtual timeT getRepeatTimeAt (const TQPoint&, const CompositionItem&) = 0;
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virtual SnapGrid& grid() = 0;
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virtual void setPointerPos(int xPos) = 0;
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virtual void setSelected(const CompositionItem&, bool selected = true) = 0;
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virtual bool isSelected(const CompositionItem&) const = 0;
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virtual void setSelected(const itemcontainer&) = 0;
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virtual void clearSelected() = 0;
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virtual bool haveSelection() const = 0;
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virtual bool haveMultipleSelection() const = 0;
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virtual void signalSelection() = 0;
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virtual void setSelectionRect(const TQRect&) = 0;
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virtual void finalizeSelectionRect() = 0;
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virtual TQRect getSelectionContentsRect() = 0;
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virtual void signalContentChange() = 0;
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virtual void addRecordingItem(const CompositionItem&) = 0;
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virtual void removeRecordingItem(const CompositionItem&) = 0;
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virtual void clearRecordingItems() = 0;
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virtual bool haveRecordingItems() = 0;
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enum ChangeType { ChangeMove, ChangeResizeFromStart, ChangeResizeFromEnd };
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virtual void startChange(const CompositionItem&, ChangeType change) = 0;
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virtual void startChangeSelection(ChangeType change) = 0;
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virtual itemcontainer& getChangingItems() = 0;
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virtual void endChange() = 0;
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virtual ChangeType getChangeType() = 0;
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virtual void setLength(int width) = 0;
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virtual int getLength() = 0;
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signals:
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void needContentUpdate();
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void needContentUpdate(const TQRect&);
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void needArtifactsUpdate();
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protected:
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CompositionItem* m_currentCompositionItem;
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};
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class AudioPreviewThread;
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class AudioPreviewUpdater;
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}
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#endif
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