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, 231 insertions, 0 deletions

diff --git a/kmix/mdwswitch.cpp b/kmix/mdwswitch.cpp
new file mode 100644
index 00000000..54f6def1
--- /dev/null
+++ b/kmix/mdwswitch.cpp
@@ -0,0 +1,231 @@
+/*
+ * 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.
+ */
+
+#include <qcursor.h>
+#include <qlabel.h>
+#include <qlayout.h>
+#include <qobject.h>
+#include <qslider.h>
+#include <qtooltip.h>
+
+#include <klocale.h>
+#include <kconfig.h>
+#include <kaction.h>
+#include <kpopupmenu.h>
+#include <kglobalaccel.h>
+#include <kkeydialog.h>
+#include <kdebug.h>
+
+#include "kledbutton.h"
+#include "mdwswitch.h"
+#include "mixer.h"
+#include "viewbase.h"
+#include "verticaltext.h"
+
+/**
+ * Class that represents a single Switch
+ * The orientation (horizontal, vertical) can be configured and whether it should
+ * be "small"  (uses KSmallSlider instead of QSlider then).
+ */
+MDWSwitch::MDWSwitch(Mixer *mixer, MixDevice* md,
+                                 bool small, Qt::Orientation orientation,
+                                 QWidget* parent, ViewBase* mw, const char* name) :
+    MixDeviceWidget(mixer,md,small,orientation,parent,mw,name),
+    _label(0) , _labelV(0) , _switchLED(0), _layout(0)
+{
+    // create actions (on _mdwActions, see MixDeviceWidget)
+
+    // KStdAction::showMenubar() is in MixDeviceWidget now
+    new KToggleAction( i18n("&Hide"), 0, this, SLOT(setDisabled()), _mdwActions, "hide" );
+    new KAction( i18n("C&onfigure Shortcuts..."), 0, this, SLOT(defineKeys()), _mdwActions, "keys" );
+
+    // create widgets
+    createWidgets();
+
+    m_keys->insert( "Toggle switch", i18n( "Toggle Switch" ), QString::null,
+		    KShortcut(), KShortcut(), this, SLOT( toggleSwitch() ) );
+
+    // The keys are loaded in KMixerWidget::loadConfig, see kmixerwidget.cpp (now: kmixtoolbox.cpp)
+    //m_keys->readSettings();
+    //m_keys->updateConnections();
+
+    installEventFilter( this ); // filter for popup
+}
+
+MDWSwitch::~MDWSwitch()
+{
+}
+
+
+void MDWSwitch::createWidgets()
+{
+	if ( _orientation == Qt::Vertical ) {
+		_layout = new QVBoxLayout( this );
+		_layout->setAlignment(Qt::AlignHCenter);
+	}
+	else {
+		_layout = new QHBoxLayout( this );
+		_layout->setAlignment(Qt::AlignVCenter);
+	}
+	QToolTip::add( this, m_mixdevice->name() );
+	
+	
+	_layout->addSpacing( 4 );
+	// --- LEDS --------------------------
+	if ( _orientation == Qt::Vertical ) {
+		if( m_mixdevice->isRecordable() )
+		 _switchLED = new KLedButton( Qt::red,
+				 m_mixdevice->isRecSource()?KLed::On:KLed::Off,
+				 KLed::Sunken, KLed::Circular, this, "RecordLED" );
+		else
+		 _switchLED = new KLedButton( Qt::yellow, KLed::On, KLed::Sunken, KLed::Circular, this, "SwitchLED" );
+		 _switchLED->setFixedSize(16,16); 
+		 _labelV = new VerticalText( this, m_mixdevice->name().utf8().data() );
+		 
+		 _layout->addWidget( _switchLED );
+		 _layout->addSpacing( 2 );
+		 _layout->addWidget( _labelV );
+		 
+		 _switchLED->installEventFilter( this );
+		 _labelV->installEventFilter( this );
+	 }
+	 else
+	 {
+		if( m_mixdevice->isRecordable() )
+			_switchLED = new KLedButton( Qt::red,
+					m_mixdevice->isRecSource()?KLed::On:KLed::Off,
+					KLed::Sunken, KLed::Circular, this, "RecordLED" );
+		else
+		 _switchLED = new KLedButton( Qt::yellow, KLed::On, KLed::Sunken, KLed::Circular, this, "SwitchLED" );
+		 _switchLED->setFixedSize(16,16);
+		 _label  = new QLabel(m_mixdevice->name(), this, "SwitchName");
+		 
+		 _layout->addWidget( _switchLED );
+		 _layout->addSpacing( 1 );
+		 _layout->addWidget( _label );
+		 _switchLED->installEventFilter( this );
+		 _label->installEventFilter( this );
+	 }
+    connect( _switchLED, SIGNAL(stateChanged(bool)), this, SLOT(toggleSwitch()) );
+    _layout->addSpacing( 4 );
+}
+
+void MDWSwitch::update()
+{
+	if ( _switchLED != 0 ) {
+		_switchLED->blockSignals( true );
+		if( m_mixdevice->isRecordable() )
+			_switchLED->setState( m_mixdevice->isRecSource() ? KLed::On : KLed::Off );
+		else
+			_switchLED->setState( m_mixdevice->isMuted() ? KLed::Off : KLed::On );
+		
+		_switchLED->blockSignals( false );
+	}
+}
+
+void MDWSwitch::setBackgroundMode(BackgroundMode m)
+{
+    if ( _label != 0 ){
+	_label->setBackgroundMode(m);
+    }
+    if ( _labelV != 0 ){
+	_labelV->setBackgroundMode(m);
+    }
+    _switchLED->setBackgroundMode(m);
+    MixDeviceWidget::setBackgroundMode(m);
+}
+
+void MDWSwitch::showContextMenu()
+{
+    if( m_mixerwidget == NULL )
+	return;
+
+    KPopupMenu *menu = m_mixerwidget->getPopup();
+
+    QPoint pos = QCursor::pos();
+    menu->popup( pos );
+}
+
+QSize MDWSwitch::sizeHint() const {
+    if ( _layout != 0 ) {
+	return _layout->sizeHint();
+    }
+    else {
+	// layout not (yet) created
+	return QWidget::sizeHint();
+    }
+}
+
+
+/**
+   This slot is called, when a user has clicked the mute button. Also it is called by any other
+    associated KAction like the context menu.
+*/
+void MDWSwitch::toggleSwitch() {
+	if( m_mixdevice->isRecordable() )
+		setSwitch( !m_mixdevice->isRecSource() );
+	else
+		setSwitch( !m_mixdevice->isMuted() );
+}
+
+void MDWSwitch::setSwitch(bool value)
+{
+	if (  m_mixdevice->isSwitch() ) {
+		if ( m_mixdevice->isRecordable() ) {
+			m_mixer->setRecordSource( m_mixdevice->num(), value );
+		}
+		else {
+			m_mixdevice->setMuted( value );
+			m_mixer->commitVolumeChange( m_mixdevice );
+		}
+	}
+}
+
+void MDWSwitch::setDisabled()
+{
+    setDisabled( true );
+}
+
+void MDWSwitch::setDisabled( bool value ) {
+    if ( m_disabled!=value)
+    {
+	value ? hide() : show();
+	m_disabled = value;
+    }
+}
+
+/**
+ * An event filter for the various QWidgets. We watch for Mouse press Events, so
+ * that we can popup the context menu.
+ */
+bool MDWSwitch::eventFilter( QObject* obj, QEvent* e )
+{
+    if (e->type() == QEvent::MouseButtonPress) {
+	QMouseEvent *qme = static_cast<QMouseEvent*>(e);
+	if (qme->button() == Qt::RightButton) {
+	    showContextMenu();
+	    return true;
+	}
+    }
+    return QWidget::eventFilter(obj,e);
+}
+
+#include "mdwswitch.moc"