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, 266 insertions, 0 deletions

diff --git a/kmix/kmixerwidget.cpp b/kmix/kmixerwidget.cpp
new file mode 100644
index 00000000..cf597fb4
--- /dev/null
+++ b/kmix/kmixerwidget.cpp
@@ -0,0 +1,266 @@
+/*
+ * 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"