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/*
* KMix -- KDE's full featured mini mixer
*
*
* Copyright (C) 1996-2004 Christian Esken <esken@kde.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <qbuttongroup.h>
#include <qlayout.h>
#include <qlabel.h>
#include <qptrlist.h>
#include <qradiobutton.h>
#include <qscrollview.h>
#include <qtooltip.h>
#include <qvbox.h>
#include <kcombobox.h>
#include <kdebug.h>
#include <kdialogbase.h>
#include <klocale.h>
#include "dialogselectmaster.h"
#include "mixdevice.h"
#include "mixer.h"
DialogSelectMaster::DialogSelectMaster( Mixer *mixer )
: KDialogBase( Plain, i18n( "Select Master Channel" ), Ok|Cancel, Ok )
{
_layout = 0;
m_vboxForScrollView = 0;
createWidgets(mixer); // Open with Mixer Hardware #0
}
DialogSelectMaster::~DialogSelectMaster()
{
delete _layout;
delete m_vboxForScrollView;
}
/**
* Create basic widgets of the Dialog.
*/
void DialogSelectMaster::createWidgets(Mixer *ptr_mixer)
{
QFrame *m_mainFrame = plainPage();
_layout = new QVBoxLayout(m_mainFrame,0,-1, "_layout" );
if ( Mixer::mixers().count() > 1 ) {
//kdDebug(67100) << "DialogSelectMaster::createPage count()>1" << "\n";
// More than one Mixer => show Combo-Box to select Mixer
// Mixer widget line
QHBoxLayout* mixerNameLayout = new QHBoxLayout( _layout );
//widgetsLayout->setStretchFactor( mixerNameLayout, 0 );
//QSizePolicy qsp( QSizePolicy::Ignored, QSizePolicy::Maximum);
//mixerNameLayout->setSizePolicy(qsp);
mixerNameLayout->setSpacing(KDialog::spacingHint());
QLabel *qlbl = new QLabel( i18n("Current Mixer"), m_mainFrame );
mixerNameLayout->addWidget(qlbl);
qlbl->setFixedHeight(qlbl->sizeHint().height());
m_cMixer = new KComboBox( FALSE, m_mainFrame, "mixerCombo" );
m_cMixer->setFixedHeight(m_cMixer->sizeHint().height());
connect( m_cMixer, SIGNAL( activated( int ) ), this, SLOT( createPageByID( int ) ) );
//int id=1;
for ( Mixer *mixer = Mixer::mixers().first(); mixer !=0; mixer = Mixer::mixers().next() ) {
m_cMixer->insertItem( mixer->mixerName() );
if ( ptr_mixer == mixer ) {
// Make the current Mixer the current item in the ComboBos
m_cMixer->setCurrentItem( m_cMixer->count()-1 );
}
//id++;
} // end for all_Mixers
QToolTip::add( m_cMixer, i18n("Current mixer" ) );
mixerNameLayout->addWidget(m_cMixer);
} // end if (more_than_1_Mixer)
QLabel *qlbl = new QLabel( i18n("Select the channel representing the master volume:"), m_mainFrame );
_layout->addWidget(qlbl);
m_scrollableChannelSelector = new QScrollView(m_mainFrame, "scrollableChannelSelector");
m_scrollableChannelSelector->viewport()->setBackgroundMode(Qt::PaletteBackground);
_layout->add(m_scrollableChannelSelector);
m_buttonGroupForScrollView = new QButtonGroup(this); // invisible QButtonGroup
m_buttonGroupForScrollView->hide();
createPage(ptr_mixer);
connect( this, SIGNAL(okClicked()) , this, SLOT(apply()) );
}
/**
* Create RadioButton's for the Mixer with number 'mixerId'.
* @par mixerId The Mixer, for which the RadioButton's should be created.
*/
void DialogSelectMaster::createPageByID(int mixerId)
{
//kdDebug(67100) << "DialogSelectMaster::createPage()" << endl;
Mixer *mixer = Mixer::mixers().at(mixerId);
if ( mixer == 0 ) {
kdError(67100) << "DialogSelectMaster::createPage(): Invalid Mixer (mixerID=" << mixerId << ")" << endl;
return; // can not happen
}
createPage(mixer);
}
/**
* Create RadioButton's for the Mixer with number 'mixerId'.
* @par mixerId The Mixer, for which the RadioButton's should be created.
*/
void DialogSelectMaster::createPage(Mixer* mixer)
{
/** --- Reset page -----------------------------------------------
* In case the user selected a new Mixer via m_cMixer, we need
* to remove the stuff created on the last call.
*/
// delete the VBox. This should automatically remove all contained QRadioButton's.
delete m_vboxForScrollView;
m_mixerPKs.clear();
/** Reset page end -------------------------------------------------- */
m_vboxForScrollView = new QVBox(m_scrollableChannelSelector->viewport());
m_scrollableChannelSelector->addChild(m_vboxForScrollView);
QString masterKey = "----noMaster---"; // Use a non-matching name as default
MixDevice* master = mixer->masterDevice();
if ( master != 0 ) masterKey = master->getPK();
const MixSet& mixset = mixer->getMixSet();
MixSet& mset = const_cast<MixSet&>(mixset);
for( MixDevice* md = mset.first(); md != 0; md = mset.next() )
{
// Create a RadioButton for each MixDevice (excluding Enum's)
if ( ! md->isEnum() && ! md->isSwitch() ) {
//kdDebug(67100) << "DialogSelectMaster::createPage() mset append qrb" << endl;
QString mdName = md->name();
mdName.replace('&', "&&"); // Quoting the '&' needed, to prevent QRadioButton creating an accelerator
QRadioButton* qrb = new QRadioButton( mdName, m_vboxForScrollView);
m_buttonGroupForScrollView->insert(qrb); //(qrb, md->num());
//_qEnabledCB.append(qrb);
m_mixerPKs.push_back(md->getPK());
if ( md->getPK() == masterKey ) {
qrb->setChecked(true); // preselect the current master
}
else {
qrb->setChecked(false);
}
}
}
m_vboxForScrollView->show(); // show() is neccesary starting with the second call to createPage()
}
void DialogSelectMaster::apply()
{
int soundcard_id = 0;
if ( Mixer::mixers().count() > 1 ) {
soundcard_id = m_cMixer->currentItem();
}
int channel_id = m_buttonGroupForScrollView->selectedId();
if ( channel_id != -1 ) {
// A channel was selected by the user => emit the "newMasterSelected()" signal
//kdDebug(67100) << "DialogSelectMaster::apply(): card=" << soundcard_id << ", channel=" << channel_id << endl;
Mixer *mixer = Mixer::mixers().at(soundcard_id);
if ( mixer == 0 ) {
kdError(67100) << "DialogSelectMaster::createPage(): Invalid Mixer (mixerID=" << soundcard_id << ")" << endl;
return; // can not happen
}
else {
mixer->setMasterDevice( m_mixerPKs[channel_id] );
emit newMasterSelected(soundcard_id, m_mixerPKs[channel_id] );
}
}
}
#include "dialogselectmaster.moc"
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