mirror of
https://bitbucket.org/smil3y/kde-extraapps.git
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214 lines
7.3 KiB
C++
214 lines
7.3 KiB
C++
/*
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* KMix -- KDE's full featured mini mixer
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*
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*
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* Copyright (C) 1996-2004 Christian Esken <esken@kde.org>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "gui/dialogselectmaster.h"
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#include <qbuttongroup.h>
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#include <QLabel>
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#include <qradiobutton.h>
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#include <qscrollarea.h>
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#include <QVBoxLayout>
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#include <QHBoxLayout>
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#include <kcombobox.h>
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#include <kdebug.h>
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#include <klocale.h>
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#include "core/ControlManager.h"
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#include "core/mixdevice.h"
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#include "core/mixer.h"
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DialogSelectMaster::DialogSelectMaster( Mixer *mixer, QWidget *parent )
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: KDialog( parent )
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{
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setCaption( i18n( "Select Master Channel" ) );
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if ( Mixer::mixers().count() > 0 )
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setButtons( Ok|Cancel );
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else {
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setButtons( Cancel );
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}
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setDefaultButton( Ok );
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_layout = 0;
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m_vboxForScrollView = 0;
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m_scrollableChannelSelector = 0;
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m_buttonGroupForScrollView = 0;
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createWidgets(mixer); // Open with Mixer Hardware #0
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}
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DialogSelectMaster::~DialogSelectMaster()
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{
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delete _layout;
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delete m_vboxForScrollView;
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}
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/**
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* Create basic widgets of the Dialog.
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*/
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void DialogSelectMaster::createWidgets(Mixer *ptr_mixer)
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{
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m_mainFrame = new QFrame( this );
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setMainWidget( m_mainFrame );
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_layout = new QVBoxLayout(m_mainFrame);
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_layout->setMargin(0);
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if ( Mixer::mixers().count() > 1 ) {
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// More than one Mixer => show Combo-Box to select Mixer
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// Mixer widget line
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QHBoxLayout* mixerNameLayout = new QHBoxLayout();
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_layout->addItem( mixerNameLayout );
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mixerNameLayout->setSpacing(KDialog::spacingHint());
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QLabel *qlbl = new QLabel( i18n("Current mixer:"), m_mainFrame );
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mixerNameLayout->addWidget(qlbl);
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qlbl->setFixedHeight(qlbl->sizeHint().height());
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m_cMixer = new KComboBox( false, m_mainFrame);
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m_cMixer->setObjectName( QLatin1String( "mixerCombo" ) );
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m_cMixer->setFixedHeight(m_cMixer->sizeHint().height());
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connect( m_cMixer, SIGNAL(activated(int)), this, SLOT(createPageByID(int)) );
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for( int i =0; i<Mixer::mixers().count(); i++ )
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{
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Mixer *mixer = (Mixer::mixers())[i];
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m_cMixer->addItem( mixer->readableName(), mixer->id() );
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} // end for all_Mixers
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// Make the current Mixer the current item in the ComboBox
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int findIndex = m_cMixer->findData( ptr_mixer->id() );
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if ( findIndex != -1 ) m_cMixer->setCurrentIndex( findIndex );
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m_cMixer->setToolTip( i18n("Current mixer" ) );
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mixerNameLayout->addWidget(m_cMixer);
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} // end if (more_than_1_Mixer)
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if ( Mixer::mixers().count() > 0 ) {
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QLabel *qlbl = new QLabel( i18n("Select the channel representing the master volume:"), m_mainFrame );
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_layout->addWidget(qlbl);
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createPage(ptr_mixer);
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connect( this, SIGNAL(okClicked()) , this, SLOT(apply()) );
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}
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else {
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QLabel *qlbl = new QLabel( i18n("No sound card is installed or currently plugged in."), m_mainFrame );
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_layout->addWidget(qlbl);
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}
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}
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/**
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* Create RadioButton's for the Mixer with number 'mixerId'.
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* @par mixerId The Mixer, for which the RadioButton's should be created.
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*/
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void DialogSelectMaster::createPageByID(int mixerId)
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{
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QString mixer_id = m_cMixer->itemData(mixerId).toString();
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Mixer * mixer = Mixer::findMixer(mixer_id);
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if ( mixer != NULL )
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createPage(mixer);
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}
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/**
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* Create RadioButton's for the Mixer with number 'mixerId'.
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* @par mixerId The Mixer, for which the RadioButton's should be created.
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*/
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void DialogSelectMaster::createPage(Mixer* mixer)
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{
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/** --- Reset page -----------------------------------------------
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* In case the user selected a new Mixer via m_cMixer, we need
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* to remove the stuff created on the last call.
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*/
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// delete the VBox. This should automatically remove all contained QRadioButton's.
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delete m_vboxForScrollView;
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delete m_scrollableChannelSelector;
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delete m_buttonGroupForScrollView;
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/** Reset page end -------------------------------------------------- */
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m_buttonGroupForScrollView = new QButtonGroup(this); // invisible QButtonGroup
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//m_buttonGroupForScrollView->hide();
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m_scrollableChannelSelector = new QScrollArea(m_mainFrame);
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// m_scrollableChannelSelector->viewport()->setBackgroundRole(QPalette::Background);
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_layout->addWidget(m_scrollableChannelSelector);
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m_vboxForScrollView = new KVBox(); //m_scrollableChannelSelector->viewport()
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std::shared_ptr<MixDevice> master = mixer->getLocalMasterMD();
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QString masterKey = ( master.get() != 0 ) ? master->id() : "----noMaster---"; // Use non-matching name as default
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const MixSet& mixset = mixer->getMixSet();
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MixSet& mset = const_cast<MixSet&>(mixset);
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for( int i=0; i< mset.count(); ++i )
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{
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std::shared_ptr<MixDevice> md = mset[i];
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// Create a RadioButton for each MixDevice (excluding Enum's)
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if ( md->playbackVolume().hasVolume() )
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{
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// kDebug(67100) << "DialogSelectMaster::createPage() mset append qrb";
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QString mdName = md->readableName();
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mdName.replace('&', "&&"); // Quoting the '&' needed, to prevent QRadioButton creating an accelerator
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QRadioButton* qrb = new QRadioButton(mdName, m_vboxForScrollView);
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qrb->setObjectName(md->id()); // The object name is used as ID here: see apply()
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m_buttonGroupForScrollView->addButton(qrb); //(qrb, md->num());
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qrb->setChecked(md->id() == masterKey); // preselect the current master
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}
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}
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m_scrollableChannelSelector->setWidget(m_vboxForScrollView);
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m_vboxForScrollView->show(); // show() is necessary starting with the second call to createPage()
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}
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void DialogSelectMaster::apply()
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{
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Mixer *mixer = 0;
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if ( Mixer::mixers().count() == 1 ) {
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// only one mxier => no combo box => take first entry
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mixer = (Mixer::mixers())[0];
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}
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else if ( Mixer::mixers().count() > 1 ) {
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// find mixer that is currently active in the ComboBox
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int idx = m_cMixer->currentIndex();
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QString mixer_id = m_cMixer->itemData(idx).toString();
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mixer = Mixer::findMixer(mixer_id);
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}
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if ( mixer == 0 )
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return; // User must have unplugged everything
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QAbstractButton* button = m_buttonGroupForScrollView->checkedButton();
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if ( button != 0 )
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{
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QString control_id = button->objectName();
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mixer->setLocalMasterMD( control_id );
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Mixer::setGlobalMaster(mixer->id(), control_id, true);
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ControlManager::instance().announce(mixer->id(), ControlChangeType::MasterChanged, QString("Select Master Dialog"));
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}
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}
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#include "moc_dialogselectmaster.cpp"
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