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179 lines
4.5 KiB
179 lines
4.5 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_TEMPORULER_H_
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#define _RG_TEMPORULER_H_
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#include "gui/dialogs/TempoDialog.h"
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#include <kxmlguiclient.h>
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#include <tqfont.h>
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#include <tqfontmetrics.h>
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#include <tqpixmap.h>
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#include <tqsize.h>
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#include <tqwidget.h>
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#include "base/Event.h"
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class TQWheelEvent;
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class TQPopupMenu;
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class TQPaintEvent;
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class TQMouseEvent;
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class TQEvent;
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class TDEMainWindow;
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namespace Rosegarden
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{
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class TextFloat;
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class RulerScale;
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class RosegardenGUIDoc;
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class Composition;
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/**
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* TempoRuler is a widget that shows a strip of tempo values at
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* x-coordinates corresponding to tempo changes in a Composition.
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*/
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class TempoRuler : public TQWidget, public KXMLGUIClient
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{
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TQ_OBJECT
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public:
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/**
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* Construct a TempoRuler that displays and allows editing of the
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* tempo changes found in the given Composition, with positions
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* calculated by the given RulerScale.
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*
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* The RulerScale will not be destroyed along with the TempoRuler.
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*/
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TempoRuler(RulerScale *rulerScale,
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RosegardenGUIDoc *doc,
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TDEMainWindow *parentMainWindow,
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double xorigin = 0.0,
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int height = 0,
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bool small = false,
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TQWidget* parent = 0,
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const char *name = 0);
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~TempoRuler();
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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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void connectSignals();
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signals:
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void doubleClicked(timeT);
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void changeTempo(timeT, // tempo change time
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tempoT, // tempo value
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tempoT, // tempo target
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TempoDialog::TempoDialogAction); // tempo action
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void moveTempo(timeT, // old time
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timeT); // new time
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void deleteTempo(timeT);
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void editTempo(timeT);
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void editTimeSignature(timeT);
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void editTempos(timeT);
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public slots:
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void slotScrollHoriz(int x);
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protected slots:
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void slotInsertTempoHere();
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void slotInsertTempoAtPointer();
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void slotDeleteTempoChange();
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void slotRampToNext();
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void slotUnramp();
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void slotEditTempo();
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void slotEditTimeSignature();
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void slotEditTempos();
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protected:
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virtual void paintEvent(TQPaintEvent *);
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virtual void enterEvent(TQEvent *);
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virtual void leaveEvent(TQEvent *);
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virtual void mousePressEvent(TQMouseEvent *);
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virtual void mouseReleaseEvent(TQMouseEvent *);
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virtual void mouseMoveEvent(TQMouseEvent *);
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virtual void wheelEvent(TQWheelEvent *);
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void createMenu();
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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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bool m_small;
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int m_illuminate;
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bool m_illuminatePoint;
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bool m_illuminateTarget;
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bool m_refreshLinesOnly;
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bool m_dragVert;
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bool m_dragTarget;
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bool m_dragHoriz;
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int m_dragStartY;
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int m_dragStartX;
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bool m_dragFine;
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int m_clickX;
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timeT m_dragStartTime;
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timeT m_dragPreviousTime;
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tempoT m_dragStartTempo;
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tempoT m_dragStartTarget;
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tempoT m_dragOriginalTempo;
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tempoT m_dragOriginalTarget;
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int getYForTempo(tempoT tempo);
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tempoT getTempoForY(int y);
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void showTextFloat(tempoT tempo,
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tempoT target = -1,
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timeT time = -1,
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bool showTime = false);
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Composition *m_composition;
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RulerScale *m_rulerScale;
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TextFloat *m_textFloat;
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TQPopupMenu *m_menu;
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TDEMainWindow *m_parentMainWindow;
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TQFont m_font;
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TQFont m_boldFont;
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TQFontMetrics m_fontMetrics;
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TQPixmap m_buffer;
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};
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}
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#endif
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