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