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Diffstat (limited to 'src/gui/widgets/PitchDragLabel.h')
-rw-r--r-- | src/gui/widgets/PitchDragLabel.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/src/gui/widgets/PitchDragLabel.h b/src/gui/widgets/PitchDragLabel.h new file mode 100644 index 0000000..7114611 --- /dev/null +++ b/src/gui/widgets/PitchDragLabel.h @@ -0,0 +1,99 @@ + +/* -*- 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 <[email protected]>, + Chris Cannam <[email protected]>, + Richard Bown <[email protected]> + + 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_ROSEGARDENPITCHDRAGLABEL_H_ +#define _RG_ROSEGARDENPITCHDRAGLABEL_H_ + +#include <qpixmap.h> +#include <qsize.h> +#include <qwidget.h> + + +class QWheelEvent; +class QPaintEvent; +class QMouseEvent; + + +namespace Rosegarden +{ + +class NotePixmapFactory; + + +class PitchDragLabel : public QWidget +{ + Q_OBJECT +public: + PitchDragLabel(QWidget *parent, + int defaultPitch = 60, bool defaultSharps = true); + ~PitchDragLabel(); + + int getPitch() const { return m_pitch; } + + virtual QSize sizeHint() const; + +signals: + void pitchDragged(int); + // pitch, octave, step + void pitchDragged(int,int,int); + void pitchChanged(int); // mouse release + // pitch, octave, step + void pitchChanged(int,int,int); // mouse release + void preview(int); + +public slots: + void slotSetPitch(int); + void slotSetPitch(int,int,int); + +protected: + virtual void paintEvent(QPaintEvent *); + virtual void mousePressEvent(QMouseEvent *e); + virtual void mouseReleaseEvent(QMouseEvent *e); + virtual void mouseMoveEvent(QMouseEvent *e); + virtual void wheelEvent(QWheelEvent *e); + + void calculatePixmap() const; + void calculatePixmap(int pitch, int octave, int step) const; + + /** emits 'pitchChanged' events, both diatonic and chromatic */ + void emitPitchChange(); + + mutable QPixmap m_pixmap; + + int m_pitch; + int m_clickedY; + int m_clickedPitch; + bool m_clicked; + + bool m_usingSharps; + + NotePixmapFactory *m_npf; +}; + + + +} + +#endif |