You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
134 lines
3.7 KiB
134 lines
3.7 KiB
15 years ago
|
|
||
|
/* -*- 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_PIANOKEYBOARD_H_
|
||
|
#define _RG_PIANOKEYBOARD_H_
|
||
|
|
||
|
#include "gui/rulers/PitchRuler.h"
|
||
|
#include <qsize.h>
|
||
|
#include <vector>
|
||
|
|
||
|
|
||
|
class QWidget;
|
||
|
class QPaintEvent;
|
||
|
class QMouseEvent;
|
||
|
class QEvent;
|
||
|
|
||
|
|
||
|
namespace Rosegarden
|
||
|
{
|
||
|
|
||
|
|
||
|
|
||
|
class PianoKeyboard : public PitchRuler
|
||
|
{
|
||
|
Q_OBJECT
|
||
|
public:
|
||
|
PianoKeyboard(QWidget *parent, int keys = 88);
|
||
|
|
||
|
virtual QSize sizeHint() const;
|
||
|
virtual QSize minimumSizeHint() const;
|
||
|
|
||
|
/*
|
||
|
* We want to be able to call this from the matrix view
|
||
|
*/
|
||
|
void drawHoverNote(int evPitch);
|
||
|
|
||
|
signals:
|
||
|
|
||
|
/**
|
||
|
* A key has been clicked on the keyboard.
|
||
|
*
|
||
|
* The repeating flag is there to tell the MatrixView not to send
|
||
|
* the same note again as we're in the middle of a swoosh.
|
||
|
* MatrixView does the y -> Note calculation.
|
||
|
*/
|
||
|
void keyPressed(unsigned int y, bool repeating);
|
||
|
|
||
|
/**
|
||
|
* A key has been clicked with the selection modifier pressed.
|
||
|
* The MatrixView will probably interpret this as meaning to
|
||
|
* select all notes of that pitch.
|
||
|
*
|
||
|
* The repeating flag is there to tell the MatrixView not to
|
||
|
* clear the selection as we're in the middle of a swoosh.
|
||
|
* MatrixView does the y -> Note calculation.
|
||
|
*/
|
||
|
void keySelected(unsigned int y, bool repeating);
|
||
|
|
||
|
/**
|
||
|
* A key has been released on the keyboard.
|
||
|
*
|
||
|
* The repeating flag is there to tell the MatrixView not to send
|
||
|
* the same note again as we're in the middle of a swoosh.
|
||
|
* MatrixView does the y -> Note calculation.
|
||
|
*/
|
||
|
void keyReleased(unsigned int y, bool repeating);
|
||
|
|
||
|
/**
|
||
|
* Emitted when the mouse cursor moves to a different key when
|
||
|
* not clicking or selecting.
|
||
|
* MatrixView does the y -> Note calculation.
|
||
|
*/
|
||
|
void hoveredOverKeyChanged(unsigned int y);
|
||
|
|
||
|
protected:
|
||
|
|
||
|
virtual void paintEvent(QPaintEvent*);
|
||
|
|
||
|
virtual void mouseMoveEvent(QMouseEvent*);
|
||
|
virtual void mousePressEvent(QMouseEvent*);
|
||
|
virtual void mouseReleaseEvent(QMouseEvent*);
|
||
|
virtual void enterEvent(QEvent *);
|
||
|
virtual void leaveEvent(QEvent *);
|
||
|
|
||
|
// compute all key positions and store them
|
||
|
//
|
||
|
void computeKeyPos();
|
||
|
|
||
|
//--------------- Data members ---------------------------------
|
||
|
QSize m_keySize;
|
||
|
QSize m_blackKeySize;
|
||
|
unsigned int m_nbKeys;
|
||
|
|
||
|
std::vector<unsigned int> m_whiteKeyPos;
|
||
|
std::vector<unsigned int> m_blackKeyPos;
|
||
|
std::vector<unsigned int> m_labelKeyPos;
|
||
|
std::vector<unsigned int> m_allKeyPos;
|
||
|
|
||
|
bool m_mouseDown;
|
||
|
bool m_selecting;
|
||
|
|
||
|
// highlight element on the keyboard
|
||
|
QWidget *m_hoverHighlight;
|
||
|
int m_lastHoverHighlight;
|
||
|
int m_lastKeyPressed;
|
||
|
};
|
||
|
|
||
|
|
||
|
}
|
||
|
|
||
|
#endif
|