Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdemultimedia@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 197 insertions, 0 deletions

diff --git a/kmix/dialogselectmaster.cpp b/kmix/dialogselectmaster.cpp
new file mode 100644
index 00000000..44f38626
--- /dev/null
+++ b/kmix/dialogselectmaster.cpp
@@ -0,0 +1,197 @@
+/*
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, 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"
+