From d57c31d8dfb7526d9f79a3d0b4bc06f39a823bd4 Mon Sep 17 00:00:00 2001 From: Javier Serrano Polo Date: Sat, 8 Jul 2006 00:11:28 +0000 Subject: [PATCH] initial release, slider with automation git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@208 0778d3d1-df1d-0410-868b-ea421aaaa00d --- include/automatable_slider.h | 99 +++++++++++++ src/widgets/automatable_slider.cpp | 231 +++++++++++++++++++++++++++++ 2 files changed, 330 insertions(+) create mode 100644 include/automatable_slider.h create mode 100644 src/widgets/automatable_slider.cpp diff --git a/include/automatable_slider.h b/include/automatable_slider.h new file mode 100644 index 000000000..5776c9e8f --- /dev/null +++ b/include/automatable_slider.h @@ -0,0 +1,99 @@ +/* + * automatable_slider.h - class automatableSlider, a QSlider with automation + * + * Copyright (c) 2006 Javier Serrano Polo + * + * 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., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + * + */ + + +#ifndef _AUTOMATABLE_SLIDER_H +#define _AUTOMATABLE_SLIDER_H + +#include "qt3support.h" + +#ifdef QT4 + +#include + +#else + +#include + +#endif + +#include "knob.h" + + + + +class automatableSlider : public QSlider +{ + Q_OBJECT +public: + automatableSlider( QWidget * _parent, const QString & _name, + engine * _engine, class track * _track ); + virtual ~automatableSlider(); + + virtual void setRange( int _min, int _max ); + virtual void setValue( int _value ); + virtual void setInitValue( int _value ); + + virtual void saveSettings( QDomDocument & _doc, QDomElement & _this, + const QString & _name ); + virtual void loadSettings( const QDomElement & _this, + const QString & _name ); + + int logicValue( void ); + void clearAutomationValues( void ); + + bool showStatus( void ) + { + return( m_show_status ); + } + + +signals: + void logicValueChanged( int _value ); + void logicSliderMoved( int _value ); + + +protected: + virtual void contextMenuEvent( QContextMenuEvent * _me ); + virtual void mousePressEvent( QMouseEvent * _me ); + virtual void mouseReleaseEvent( QMouseEvent * _me ); + virtual void wheelEvent( QWheelEvent * _me ); + + +private: + knob * m_knob; + bool m_show_status; + + +private slots: + void changeValue( int _value ); + void moveSlider( int _value ); + void updateSlider( void ); + +} ; + + + + +#endif diff --git a/src/widgets/automatable_slider.cpp b/src/widgets/automatable_slider.cpp new file mode 100644 index 000000000..148d533f6 --- /dev/null +++ b/src/widgets/automatable_slider.cpp @@ -0,0 +1,231 @@ +#ifndef SINGLE_SOURCE_COMPILE + +/* + * automatable_slider.cpp - implementation of class automatableSlider + * + * Copyright (c) 2006 Javier Serrano Polo + * + * 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., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + * + */ + + +#include "automatable_slider.h" + +#ifndef QT3 + +#include +#include +#include +#include + +#else + +#include +#include +#include + +#endif + +#include "embed.h" + + + + +automatableSlider::automatableSlider( QWidget * _parent, const QString & _name, + engine * _engine, class track * _track ) : + QSlider( _parent +#ifndef QT4 + , _name.ascii() +#endif + ), + m_show_status( FALSE ) +{ + m_knob = new knob( knobDark_28, NULL, _name, _engine, _track ); + +#ifdef QT4 + setAccessibleName( _name ); +#endif + + connect( m_knob, SIGNAL( valueChanged( float ) ), this, + SLOT( updateSlider( void ) ) ); + connect( this, SIGNAL( valueChanged( int ) ), this, + SLOT( changeValue( int ) ) ); + connect( this, SIGNAL( sliderMoved( int ) ), this, + SLOT( moveSlider( int ) ) ); +} + + + + +automatableSlider::~automatableSlider() +{ + delete m_knob; +} + + + + +void automatableSlider::setRange( int _min, int _max ) +{ + QSlider::setRange( _min, _max ); + m_knob->setRange( _min, _max, 1.0f ); +} + + + + +void automatableSlider::setValue( int _value ) +{ + QSlider::setValue( _value ); + m_knob->setValue( minValue() + maxValue() - _value ); +} + + + + +void automatableSlider::setInitValue( int _value ) +{ + m_knob->setInitValue( _value ); + QSlider::setValue( minValue() + maxValue() - _value ); +} + + + + +void automatableSlider::contextMenuEvent( QContextMenuEvent * _me ) +{ + // for the case, the user clicked right while pressing left mouse- + // button, the context-menu appears while mouse-cursor is still hidden + // and it isn't shown again until user does something which causes + // an QApplication::restoreOverrideCursor()-call... + mouseReleaseEvent( NULL ); + + QMenu contextMenu( this ); +#ifdef QT4 + contextMenu.setTitle( accessibleName() ); +#else + QLabel * caption = new QLabel( "" + + QString( accessibleName() ) + "", this ); + caption->setPaletteBackgroundColor( QColor( 0, 0, 192 ) ); + caption->setAlignment( Qt::AlignCenter ); + contextMenu.addAction( caption ); +#endif +//TODO: Change icon + contextMenu.addAction( embed::getIconPixmap( "piano" ), + tr( "&Open in automation editor" ), + m_knob->getAutomationPattern(), + SLOT( openInAutomationEditor() ) ); + contextMenu.exec( QCursor::pos() ); +} + + + + +void automatableSlider::mousePressEvent( QMouseEvent * _me ) +{ + m_show_status = TRUE; + QSlider::mousePressEvent( _me ); +} + + + + +void automatableSlider::mouseReleaseEvent( QMouseEvent * _me ) +{ + m_show_status = FALSE; + QSlider::mouseReleaseEvent( _me ); +} + + + + +void automatableSlider::wheelEvent( QWheelEvent * _me ) +{ + bool old_status = m_show_status; + m_show_status = TRUE; + QSlider::wheelEvent( _me ); + m_show_status = old_status; +} + + + + +void automatableSlider::changeValue( int _value ) +{ + setValue( _value ); + emit logicValueChanged( logicValue() ); +} + + + + +void automatableSlider::moveSlider( int _value ) +{ + setValue( _value ); + emit logicSliderMoved( logicValue() ); +} + + + + +void automatableSlider::updateSlider( void ) +{ + QSlider::setValue( minValue() + maxValue() - logicValue() ); +} + + + + +void automatableSlider::saveSettings( QDomDocument & _doc, QDomElement & _this, + const QString & _name ) +{ + m_knob->saveSettings( _doc, _this, _name ); +} + + + + +void automatableSlider::loadSettings( const QDomElement & _this, + const QString & _name ) +{ + m_knob->loadSettings( _this, _name ); +} + + + + +int automatableSlider::logicValue( void ) +{ + return( (int)roundf( m_knob->value() ) ); +} + + + + +void automatableSlider::clearAutomationValues( void ) +{ + m_knob->getAutomationPattern()->clearValues(); +} + + + + +#include "automatable_slider.moc" + +#endif