mirror of
https://github.com/LMMS/lmms.git
synced 2026-01-26 07:18:13 -05:00
e24f094c62
git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@547 0778d3d1-df1d-0410-868b-ea421aaaa00d
143 lines
3.3 KiB
C++
143 lines
3.3 KiB
C++
/*
|
|
* knob.h - powerful knob-widget
|
|
*
|
|
* This file is based on the knob-widget of the Qwt Widget Library by
|
|
* Josef Wilgen
|
|
*
|
|
* Copyright (c) 2004-2007 Tobias Doerffel <tobydox/at/users.sourceforge.net>
|
|
*
|
|
* This file is part of Linux MultiMedia Studio - http://lmms.sourceforge.net
|
|
*
|
|
* 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.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public
|
|
* License along with this program (see COPYING); if not, write to the
|
|
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
* Boston, MA 02110-1301 USA.
|
|
*
|
|
*/
|
|
|
|
|
|
#ifndef _KNOB_H
|
|
#define _KNOB_H
|
|
|
|
#include <QtGui/QWidget>
|
|
#include <QtCore/QPoint>
|
|
|
|
#include "automatable_object.h"
|
|
|
|
|
|
class QPixmap;
|
|
class textFloat;
|
|
|
|
|
|
enum knobTypes
|
|
{
|
|
knobDark_28, knobBright_26, knobSmall_17, knobGreen_17
|
|
} ;
|
|
|
|
|
|
|
|
class knob : public QWidget, public automatableObject<float>
|
|
{
|
|
Q_OBJECT
|
|
public:
|
|
knob( int _knob_num, QWidget * _parent, const QString & _name,
|
|
track * _track );
|
|
virtual ~knob();
|
|
|
|
|
|
void setHintText( const QString & _txt_before,
|
|
const QString & _txt_after );
|
|
void setLabel( const QString & _txt );
|
|
|
|
void setTotalAngle( float _angle );
|
|
|
|
inline virtual void setInitValue( const float _val )
|
|
{
|
|
m_initValue = _val;
|
|
autoObj::setInitValue( _val );
|
|
}
|
|
|
|
virtual void setValue( const float _x );
|
|
|
|
virtual void setRange( const float _min, const float _max,
|
|
const float _step = 0.0 );
|
|
|
|
|
|
public slots:
|
|
void reset( void );
|
|
void copyValue( void );
|
|
void pasteValue( void );
|
|
virtual void enterValue( void );
|
|
void connectToMidiDevice( void );
|
|
void displayHelp( void );
|
|
|
|
|
|
signals:
|
|
void valueChanged( float value );
|
|
void valueChanged( void );
|
|
void sliderPressed( void );
|
|
void sliderReleased( void );
|
|
void sliderMoved( float value );
|
|
|
|
|
|
protected:
|
|
static float s_copiedValue;
|
|
static textFloat * s_textFloat;
|
|
|
|
float m_mouseOffset;
|
|
QPoint m_origMousePos;
|
|
bool m_buttonPressed;
|
|
|
|
QPixmap * m_knobPixmap;
|
|
QString m_hintTextBeforeValue;
|
|
QString m_hintTextAfterValue;
|
|
|
|
float m_initValue;
|
|
|
|
virtual void contextMenuEvent( QContextMenuEvent * _me );
|
|
virtual void dragEnterEvent( QDragEnterEvent * _dee );
|
|
virtual void dropEvent( QDropEvent * _de );
|
|
virtual void mousePressEvent( QMouseEvent * _me );
|
|
virtual void mouseReleaseEvent( QMouseEvent * _me );
|
|
virtual void mouseMoveEvent( QMouseEvent * _me );
|
|
virtual void mouseDoubleClickEvent( QMouseEvent * _me );
|
|
virtual void paintEvent( QPaintEvent * _me );
|
|
virtual void resizeEvent( QResizeEvent * _me );
|
|
virtual void wheelEvent( QWheelEvent * _me );
|
|
|
|
void drawKnob( QPainter * _p );
|
|
void setPosition( const QPoint & _p );
|
|
|
|
float getValue( const QPoint & _p );
|
|
|
|
|
|
private:
|
|
void layoutKnob( bool _update = TRUE );
|
|
void recalcAngle( void );
|
|
|
|
void valueChange( void );
|
|
void rangeChange( void );
|
|
|
|
void buttonReleased( void );
|
|
|
|
float m_pageSize;
|
|
float m_angle;
|
|
float m_totalAngle;
|
|
|
|
int m_knobNum;
|
|
QString m_label;
|
|
|
|
} ;
|
|
|
|
#endif
|