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127 lines
3.2 KiB
127 lines
3.2 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_RAWNOTERULER_H_
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#define _RG_RAWNOTERULER_H_
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#include "base/Segment.h"
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#include <tqsize.h>
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#include <tqwidget.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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class TQPaintEvent;
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class TQPainter;
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namespace Rosegarden
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{
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class RulerScale;
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class DefaultVelocityColour;
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/**
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* RawNoteRuler is a ruler that shows in a vaguely matrix-like fashion
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* when notes start and end, for use with a notation view that can't
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* otherwise show this relatively precise unquantized information.
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* It has no editing function (yet?)
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*/
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class RawNoteRuler : public TQWidget
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{
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TQ_OBJECT
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public:
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RawNoteRuler(RulerScale *rulerScale,
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Segment *segment,
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double xorigin = 0.0,
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int height = 0,
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TQWidget* parent = 0,
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const char *name = 0);
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~RawNoteRuler();
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void setCurrentSegment(Segment *segment) {
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m_segment = segment;
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}
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virtual TQSize sizeHint() const;
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virtual TQSize minimumSizeHint() const;
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void setMinimumWidth(int width) { m_width = width; }
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public slots:
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void slotScrollHoriz(int x);
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protected:
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virtual void paintEvent(TQPaintEvent*);
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private:
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double m_xorigin;
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int m_height;
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int m_currentXOffset;
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int m_width;
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Segment *m_segment;
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RulerScale *m_rulerScale;
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struct EventTreeNode
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{
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typedef std::vector<EventTreeNode *> NodeList;
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EventTreeNode(Segment::iterator n) : node(n) { }
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~EventTreeNode() {
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for (NodeList::iterator i = children.begin();
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i != children.end(); ++i) {
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delete *i;
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}
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}
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int getDepth();
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int getChildrenAboveOrBelow(bool below = false, int pitch = -1);
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Segment::iterator node;
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NodeList children;
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};
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std::pair<timeT, timeT> getExtents(Segment::iterator);
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Segment::iterator addChildren(Segment *, Segment::iterator, timeT, EventTreeNode *);
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void dumpSubtree(EventTreeNode *, int);
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void dumpForest(std::vector<EventTreeNode *> *);
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void buildForest(Segment *, Segment::iterator, Segment::iterator);
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void drawNode(TQPainter &, DefaultVelocityColour &, EventTreeNode *,
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double height, double yorigin);
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// needs to be class with dtor &c and containing above methods
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EventTreeNode::NodeList m_forest;
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};
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}
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#endif
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