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+/*
+ * KMix -- KDE's full featured mini mixer
+ *
+ * Copyright (C) 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.
+ */
+
+
+// Qt
+#include <qlabel.h>
+#include <qlayout.h>
+#include <qslider.h>
+#include <qstring.h>
+#include <qtooltip.h>
+#include <qapplication.h> // for QApplication::revsreseLayout()
+
+// KDE
+#include <kconfig.h>
+#include <kdebug.h>
+#include <kglobal.h>
+#include <klocale.h>
+#include <ktabwidget.h>
+
+// KMix
+#include "mixdevicewidget.h"
+#include "kmixerwidget.h"
+#include "kmixtoolbox.h"
+#include "mixer.h"
+#include "viewinput.h"
+#include "viewoutput.h"
+#include "viewswitches.h"
+// KMix experimental
+#include "viewgrid.h"
+#include "viewsurround.h"
+
+
+/**
+ This widget is embedded in the KMix Main window. Each Hardware Mixer is visualized by one KMixerWidget.
+ KMixerWidget contains
+ (a) a headline where you can change Mixer's (if you got more than one Mixer)
+ (b) a Tab with 2-4 Tabs (containing View's with sliders, switches and other GUI elements visualizing the Mixer)
+ (c) A balancing slider
+ (d) A label containg the mixer name
+*/
+KMixerWidget::KMixerWidget( int _id, Mixer *mixer, const QString &mixerName,
+ MixDevice::DeviceCategory categoryMask,
+ QWidget * parent, const char * name, ViewBase::ViewFlags vflags )
+ : QWidget( parent, name ), _mixer(mixer), m_balanceSlider(0),
+ m_topLayout(0),
+ m_id( _id ),
+ _iconsEnabled( true ), _labelsEnabled( false ), _ticksEnabled( false ),
+ _valueStyle ( -1 ) // this definitely does not correspond to the 'default value display' style,
+ // so the style will be set by a later call to setValueStyle()
+
+{
+ m_categoryMask = categoryMask;
+
+ if ( _mixer )
+ {
+ createLayout(vflags);
+ }
+ else
+ {
+ // No mixer found
+ // !! Fix this: This is actually never shown!
+ QBoxLayout *layout = new QHBoxLayout( this );
+ QString s = i18n("Invalid mixer");
+ if ( !mixerName.isEmpty() )
+ s.append(" \"").append(mixerName).append("\"");
+ QLabel *errorLabel = new QLabel( s, this );
+ errorLabel->setAlignment( QLabel::AlignCenter | QLabel::WordBreak );
+ layout->addWidget( errorLabel );
+ }
+}
+
+KMixerWidget::~KMixerWidget()
+{
+}
+
+/**
+ * Creates the widgets as described in the KMixerWidget constructor
+ */
+void KMixerWidget::createLayout(ViewBase::ViewFlags vflags)
+{
+ // delete old objects
+ if( m_balanceSlider ) {
+ delete m_balanceSlider;
+ }
+ if( m_topLayout ) {
+ delete m_topLayout;
+ }
+
+ // create main layout
+ m_topLayout = new QVBoxLayout( this, 0, 3, "m_topLayout" );
+
+ // Create tabs of input + output + [...]
+ m_ioTab = new KTabWidget( this, "ioTab" );
+ m_topLayout->add( m_ioTab );
+
+
+ /*******************************************************************
+ * Now the main GUI is created.
+ * 1) Select a (GUI) profile, which defines which controls to show on which Tab
+ * 2a) Create the Tab's and the corresponding Views
+ * 2b) Create device widgets
+ * 2c) Add Views to Tab
+ ********************************************************************/
+ //KMixGUIProfile* prof = MixerToolbox::selectProfile(_mixer);
+
+
+ possiblyAddView(new ViewOutput ( m_ioTab, "output", i18n("Output"), _mixer, vflags ) );
+ possiblyAddView(new ViewInput( m_ioTab, "input", i18n("Input"), _mixer, vflags ) );
+ possiblyAddView(new ViewSwitches( m_ioTab, "switches", i18n("Switches"), _mixer, vflags ) );
+ if ( vflags & ViewBase::Experimental_SurroundView )
+ possiblyAddView( new ViewSurround( m_ioTab, "surround", i18n("Surround"), _mixer, vflags ) );
+ if ( vflags & ViewBase::Experimental_GridView )
+ possiblyAddView( new ViewGrid( m_ioTab, "grid", i18n("Grid"), _mixer, vflags ) );
+
+
+ // *** Lower part: Slider and Mixer Name ************************************************
+ QHBoxLayout *balanceAndDetail = new QHBoxLayout( m_topLayout, 8, "balanceAndDetail");
+ // Create the left-right-slider
+ m_balanceSlider = new QSlider( -100, 100, 25, 0, QSlider::Horizontal, this, "RightLeft" );
+ m_balanceSlider->setTickmarks( QSlider::Below );
+ m_balanceSlider->setTickInterval( 25 );
+ m_balanceSlider->setMinimumSize( m_balanceSlider->sizeHint() );
+ m_balanceSlider->setFixedHeight( m_balanceSlider->sizeHint().height() );
+
+ QLabel *mixerName = new QLabel(this, "mixerName");
+ mixerName->setText( _mixer->mixerName() );
+
+ balanceAndDetail->addSpacing( 10 );
+
+ balanceAndDetail->addWidget( m_balanceSlider );
+ balanceAndDetail->addWidget( mixerName );
+ balanceAndDetail->addSpacing( 10 );
+
+ connect( m_balanceSlider, SIGNAL(valueChanged(int)), this, SLOT(balanceChanged(int)) );
+ QToolTip::add( m_balanceSlider, i18n("Left/Right balancing") );
+
+ // --- "MenuBar" toggling from the various View's ---
+
+
+
+ show();
+ // kdDebug(67100) << "KMixerWidget::createLayout(): EXIT\n";
+}
+
+void KMixerWidget::possiblyAddView(ViewBase* vbase)
+{
+ if ( vbase->count() == 0 )
+ delete vbase;
+ else {
+ _views.push_back(vbase);
+ vbase ->createDeviceWidgets();
+ m_ioTab->addTab( vbase , vbase->caption() );
+ connect( vbase, SIGNAL(toggleMenuBar()), parentWidget(), SLOT(toggleMenuBar()) );
+ }
+}
+
+void KMixerWidget::setIcons( bool on )
+{
+ for ( std::vector<ViewBase*>::iterator it = _views.begin(); it != _views.end(); it++) {
+ ViewBase* mixerWidget = *it;
+ KMixToolBox::setIcons(mixerWidget->_mdws, on);
+ } // for all tabs
+}
+
+void KMixerWidget::setLabels( bool on )
+{
+ if ( _labelsEnabled!=on ) {
+ // value was changed
+ _labelsEnabled = on;
+ for ( std::vector<ViewBase*>::iterator it = _views.begin(); it != _views.end(); it++) {
+ ViewBase* mixerWidget = *it;
+ KMixToolBox::setLabels(mixerWidget->_mdws, on);
+ } // for all tabs
+ }
+}
+
+void KMixerWidget::setTicks( bool on )
+{
+ if ( _ticksEnabled!=on ) {
+ // value was changed
+ _ticksEnabled = on;
+ for ( std::vector<ViewBase*>::iterator it = _views.begin(); it != _views.end(); it++) {
+ ViewBase* mixerWidget = *it;
+ KMixToolBox::setTicks(mixerWidget->_mdws, on);
+ } // for all tabs
+ }
+}
+
+void KMixerWidget::setValueStyle( int vs )
+{
+ if ( _valueStyle!=vs ) {
+ // value was changed
+ _valueStyle = vs;
+ for ( std::vector<ViewBase*>::iterator it = _views.begin(); it != _views.end(); it++) {
+ ViewBase* mixerWidget = *it;
+ KMixToolBox::setValueStyle(mixerWidget->_mdws, vs);
+ } // for all tabs
+ }
+}
+
+
+/**
+ * @todo : Is the view list already filled, when loadConfig() is called?
+ */
+void KMixerWidget::loadConfig( KConfig *config, const QString &grp )
+{
+
+ for ( std::vector<ViewBase*>::iterator it = _views.begin(); it != _views.end(); it++) {
+ ViewBase* mixerWidget = *it;
+ QString viewPrefix = "View.";
+ viewPrefix += mixerWidget->name();
+ KMixToolBox::loadConfig(mixerWidget->_mdws, config, grp, viewPrefix );
+ mixerWidget->configurationUpdate();
+ } // for all tabs
+}
+
+
+
+void KMixerWidget::saveConfig( KConfig *config, const QString &grp )
+{
+ config->setGroup( grp );
+ // Write mixer name. It cannot be changed in the Mixer instance,
+ // it is only saved for diagnostical purposes (analyzing the config file).
+ config->writeEntry("Mixer_Name_Key", _mixer->mixerName());
+
+ for ( std::vector<ViewBase*>::iterator it = _views.begin(); it != _views.end(); it++) {
+ ViewBase* mixerWidget = *it;
+ QString viewPrefix = "View.";
+ viewPrefix += mixerWidget->name();
+ KMixToolBox::saveConfig(mixerWidget->_mdws, config, grp, viewPrefix );
+ } // for all tabs
+}
+
+
+void KMixerWidget::toggleMenuBarSlot() {
+ emit toggleMenuBar();
+}
+
+// in RTL mode, the slider is reversed, we cannot just connect the signal to setBalance()
+// hack arround it before calling _mixer->setBalance()
+void KMixerWidget::balanceChanged(int balance)
+{
+ if (QApplication::reverseLayout())
+ balance = -balance;
+
+ _mixer->setBalance( balance );
+}
+
+#include "kmixerwidget.moc"
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