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lmms/src/gui/FxMixerView.cpp

367 lines
8.7 KiB
C++

/*
* FxMixerView.cpp - effect-mixer-view for LMMS
*
* Copyright (c) 2008-2014 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.
*
*/
#include <QtGui/QButtonGroup>
#include <QtGui/QInputDialog>
#include <QtGui/QLayout>
#include <QtGui/QMdiArea>
#include <QtGui/QMdiSubWindow>
#include <QtGui/QPainter>
#include <QtGui/QPushButton>
#include <QtGui/QToolButton>
#include <QtGui/QStackedLayout>
#include "FxMixerView.h"
#include "fader.h"
#include "EffectRackView.h"
#include "engine.h"
#include "embed.h"
#include "MainWindow.h"
#include "LcdWidget.h"
#include "gui_templates.h"
#include "tooltip.h"
#include "pixmap_button.h"
#include "lmms_style.h"
class FxLine : public QWidget
{
public:
FxLine( QWidget * _parent, FxMixerView * _mv, QString & _name ) :
QWidget( _parent ),
m_mv( _mv ),
m_name( _name )
{
setFixedSize( 32, 232 );
setAttribute( Qt::WA_OpaquePaintEvent, true );
setCursor( QCursor( embed::getIconPixmap( "hand" ), 0, 0 ) );
}
virtual void paintEvent( QPaintEvent * )
{
QPainter p( this );
QColor bg_color = QApplication::palette().color( QPalette::Active,
QPalette::Background );
QColor sh_color = QApplication::palette().color( QPalette::Active,
QPalette::Shadow );
QColor te_color = QApplication::palette().color( QPalette::Active,
QPalette::Text );
QColor bt_color = QApplication::palette().color( QPalette::Active,
QPalette::BrightText );
p.fillRect( rect(),
m_mv->currentFxLine() == this ? bg_color.lighter(130) : bg_color );
p.setPen( bg_color.darker(130) );
p.drawRect( 0, 0, width()-2, height()-2 );
p.setPen( bg_color.lighter(150) );
p.drawRect( 1, 1, width()-2, height()-2 );
p.setPen( m_mv->currentFxLine() == this ? sh_color : bg_color.darker(130) );
p.drawRect( 0, 0, width()-1, height()-1 );
p.rotate( -90 );
p.setFont( pointSizeF( font(), 7.5f ) );
p.setPen( sh_color );
p.drawText( -91, 21, m_name );
p.setPen( m_mv->currentFxLine() == this ? bt_color : te_color );
p.drawText( -90, 20, m_name );
}
virtual void mousePressEvent( QMouseEvent * )
{
m_mv->setCurrentFxLine( this );
}
virtual void mouseDoubleClickEvent( QMouseEvent * )
{
bool ok;
QString new_name = QInputDialog::getText( this,
FxMixerView::tr( "Rename FX channel" ),
FxMixerView::tr( "Enter the new name for this "
"FX channel" ),
QLineEdit::Normal, m_name, &ok );
if( ok && !new_name.isEmpty() )
{
m_name = new_name;
update();
}
}
private:
FxMixerView * m_mv;
QString & m_name;
} ;
FxMixerView::FxMixerView() :
QWidget(),
ModelView( NULL, this ),
SerializingObjectHook()
{
FxMixer * m = engine::fxMixer();
m->setHook( this );
/* QPalette pal = palette();
pal.setColor( QPalette::Background, QColor( 72, 76, 88 ) );
setPalette( pal );*/
setAutoFillBackground( true );
setSizePolicy( QSizePolicy::Preferred, QSizePolicy::Minimum );
setWindowTitle( tr( "FX-Mixer" ) );
setWindowIcon( embed::getIconPixmap( "fx_mixer" ) );
m_fxLineBanks = new QStackedLayout;
m_fxLineBanks->setSpacing( 0 );
m_fxLineBanks->setMargin( 1 );
m_fxRacksLayout = new QStackedLayout;
m_fxRacksLayout->setSpacing( 0 );
m_fxRacksLayout->setMargin( 0 );
// main-layout
QHBoxLayout * ml = new QHBoxLayout;
ml->setMargin( 0 );
ml->setSpacing( 0 );
ml->addSpacing( 6 );
QHBoxLayout * banks[NumFxChannels/16];
for( int i = 0; i < NumFxChannels/16; ++i )
{
QWidget * w = new QWidget( this );
banks[i] = new QHBoxLayout( w );
banks[i]->setMargin( 5 );
banks[i]->setSpacing( 1 );
m_fxLineBanks->addWidget( w );
}
for( int i = 0; i < NumFxChannels+1; ++i )
{
FxChannelView * cv = &m_fxChannelViews[i];
if( i == 0 )
{
cv->m_fxLine = new FxLine( NULL, this,
m->m_fxChannels[i]->m_name );
ml->addWidget( cv->m_fxLine );
ml->addSpacing( 10 );
}
else
{
const int bank = (i-1) / 16;
cv->m_fxLine = new FxLine( NULL, this,
m->m_fxChannels[i]->m_name );
banks[bank]->addWidget( cv->m_fxLine );
}
LcdWidget* l = new LcdWidget( 2, cv->m_fxLine );
l->setValue( i );
l->move( 3, 4 );
l->setMarginWidth( 1 );
cv->m_fader = new fader( &m->m_fxChannels[i]->m_volumeModel,
tr( "FX Fader %1" ).arg( i ),
cv->m_fxLine );
cv->m_fader->move( 15-cv->m_fader->width()/2,
cv->m_fxLine->height()-
cv->m_fader->height()-5 );
cv->m_muteBtn = new pixmapButton( cv->m_fxLine, tr( "Mute" ) );
cv->m_muteBtn->setModel( &m->m_fxChannels[i]->m_muteModel );
cv->m_muteBtn->setActiveGraphic(
embed::getIconPixmap( "led_off" ) );
cv->m_muteBtn->setInactiveGraphic(
embed::getIconPixmap( "led_green" ) );
cv->m_muteBtn->setCheckable( true );
cv->m_muteBtn->move( 9, cv->m_fader->y()-16);
toolTip::add( cv->m_muteBtn, tr( "Mute this FX channel" ) );
cv->m_rackView = new EffectRackView(
&m->m_fxChannels[i]->m_fxChain, this );
m_fxRacksLayout->addWidget( cv->m_rackView );
if( i == 0 )
{
QVBoxLayout * l = new QVBoxLayout;
l->addSpacing( 10 );
QButtonGroup * g = new QButtonGroup( this );
m_bankButtons = g;
g->setExclusive( true );
for( int j = 0; j < 4; ++j )
{
QToolButton * btn = new QToolButton;
btn->setText( QString( 'A'+j ) );
btn->setCheckable( true );
btn->setSizePolicy( QSizePolicy::Preferred,
QSizePolicy::Expanding );
l->addWidget( btn );
g->addButton( btn, j );
btn->setChecked( j == 0);
}
l->addSpacing( 10 );
ml->addLayout( l );
connect( g, SIGNAL( buttonClicked( int ) ),
m_fxLineBanks, SLOT( setCurrentIndex( int ) ) );
}
}
ml->addLayout( m_fxLineBanks );
ml->addLayout( m_fxRacksLayout );
setLayout( ml );
updateGeometry();
m_fxLineBanks->setCurrentIndex( 0 );
setCurrentFxLine( m_fxChannelViews[0].m_fxLine );
// timer for updating faders
connect( engine::mainWindow(), SIGNAL( periodicUpdate() ),
this, SLOT( updateFaders() ) );
// add ourself to workspace
QMdiSubWindow * subWin =
engine::mainWindow()->workspace()->addSubWindow( this );
Qt::WindowFlags flags = subWin->windowFlags();
flags |= Qt::MSWindowsFixedSizeDialogHint;
flags &= ~Qt::WindowMaximizeButtonHint;
subWin->setWindowFlags( flags );
//subWin->layout()->setSizeConstraint(QLayout::SetFixedSize);
parentWidget()->setAttribute( Qt::WA_DeleteOnClose, false );
parentWidget()->move( 5, 310 );
// we want to receive dataChanged-signals in order to update
setModel( m );
}
FxMixerView::~FxMixerView()
{
}
void FxMixerView::saveSettings( QDomDocument & _doc, QDomElement & _this )
{
MainWindow::saveWidgetState( this, _this );
}
void FxMixerView::loadSettings( const QDomElement & _this )
{
MainWindow::restoreWidgetState( this, _this );
}
void FxMixerView::setCurrentFxLine( FxLine * _line )
{
m_currentFxLine = _line;
for( int i = 0; i < NumFxChannels+1; ++i )
{
if( m_fxChannelViews[i].m_fxLine == _line )
{
m_fxRacksLayout->setCurrentIndex( i );
}
m_fxChannelViews[i].m_fxLine->update();
}
}
void FxMixerView::setCurrentFxLine( int _line )
{
if ( _line >= 0 && _line < NumFxChannels+1 )
{
setCurrentFxLine( m_fxChannelViews[_line].m_fxLine );
m_bankButtons->button( (_line-1) / 16 )->click();
}
}
void FxMixerView::clear()
{
for( int i = 0; i <= NumFxChannels; ++i )
{
m_fxChannelViews[i].m_rackView->clearViews();
}
}
void FxMixerView::updateFaders()
{
FxMixer * m = engine::fxMixer();
for( int i = 0; i < NumFxChannels+1; ++i )
{
const float opl = m_fxChannelViews[i].m_fader->getPeak_L();
const float opr = m_fxChannelViews[i].m_fader->getPeak_R();
const float fall_off = 1.2;
if( m->m_fxChannels[i]->m_peakLeft > opl )
{
m_fxChannelViews[i].m_fader->setPeak_L(
m->m_fxChannels[i]->m_peakLeft );
}
else
{
m_fxChannelViews[i].m_fader->setPeak_L( opl/fall_off );
}
if( m->m_fxChannels[i]->m_peakRight > opr )
{
m_fxChannelViews[i].m_fader->setPeak_R(
m->m_fxChannels[i]->m_peakRight );
}
else
{
m_fxChannelViews[i].m_fader->setPeak_R( opr/fall_off );
}
}
}
#include "moc_FxMixerView.cxx"