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tdemultimedia/kmix/kmix.cpp

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/*
* KMix -- KDE's full featured mini mixer
*
* Copyright (C) 2000 Stefan Schimanski <schimmi@kde.org>
* Copyright (C) 2001 Preston Brown <pbrown@kde.org>
* Copyright (C) 2003 Sven Leiber <s.leiber@web.de>
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
// include files for QT
#include <tqmap.h>
#include <tqhbox.h>
#include <tqcheckbox.h>
#include <tqradiobutton.h>
#include <tqwidgetstack.h>
#include <tqlayout.h>
#include <tqtooltip.h>
// include files for KDE
#include <kcombobox.h>
#include <kiconloader.h>
#include <tdemessagebox.h>
#include <tdemenubar.h>
#include <klineeditdlg.h>
#include <tdelocale.h>
#include <tdeconfig.h>
#include <tdeaction.h>
#include <tdeapplication.h>
#include <kstdaction.h>
#include <kpanelapplet.h>
#include <tdepopupmenu.h>
#include <khelpmenu.h>
#include <kdebug.h>
#include <tdeaccel.h>
#include <kglobalaccel.h>
#include <kkeydialog.h>
// application specific includes
#include "mixertoolbox.h"
#include "kmix.h"
#include "kmixerwidget.h"
#include "kmixprefdlg.h"
#include "kmixdockwidget.h"
#include "kmixtoolbox.h"
/**
* Constructs a mixer window (KMix main window)
*/
KMixWindow::KMixWindow()
: DCOPObject("kmix"), TDEMainWindow(0, 0, 0, 0), m_showTicks( true ),
m_dockWidget( 0L )
{
m_visibilityUpdateAllowed = true;
m_multiDriverMode = false; // -<- I never-ever want the multi-drivermode to be activated by accident
m_surroundView = false; // -<- Also the experimental surround View (3D)
m_gridView = false; // -<- Also the experimental Grid View
// As long as we do not know better, we assume to start hidden. We need
// to initialize this variable here, as we don't trigger a hideEvent().
m_isVisible = false;
m_mixerWidgets.setAutoDelete(true);
loadConfig(); // Need to load config before initMixer(), due to "MultiDriver" keyword
MixerToolBox::initMixer(Mixer::mixers(), m_multiDriverMode, m_hwInfoString);
initActions();
initWidgets();
initMixerWidgets();
initPrefDlg();
updateDocking();
if ( m_startVisible )
{
/* Started visible: We should do probably do:
* m_isVisible = true;
* But as a showEvent() is triggered by show() we don't need it.
*/
show();
}
else
{
hide();
}
connect( kapp, TQT_SIGNAL( aboutToQuit()), TQT_SLOT( saveSettings()) );
}
KMixWindow::~KMixWindow()
{
MixerToolBox::deinitMixer();
}
void
KMixWindow::initActions()
{
// file menu
KStdAction::quit( TQT_TQOBJECT(this), TQT_SLOT(quit()), actionCollection());
// settings menu
KStdAction::showMenubar( TQT_TQOBJECT(this), TQT_SLOT(toggleMenuBar()), actionCollection());
KStdAction::preferences( TQT_TQOBJECT(this), TQT_SLOT(showSettings()), actionCollection());
new TDEAction( i18n( "Configure &Global Shortcuts..." ), "configure_shortcuts", 0, TQT_TQOBJECT(this),
TQT_SLOT( configureGlobalShortcuts() ), actionCollection(), "settings_global" );
KStdAction::keyBindings( guiFactory(), TQT_SLOT(configureShortcuts()), actionCollection());
(void) new TDEAction( i18n( "Hardware &Information" ), 0, TQT_TQOBJECT(this), TQT_SLOT( slotHWInfo() ), actionCollection(), "hwinfo" );
(void) new TDEAction( i18n( "Hide Mixer Window" ), Key_Escape, TQT_TQOBJECT(this), TQT_SLOT(hide()), actionCollection(), "hide_kmixwindow" );
m_globalAccel = new TDEGlobalAccel(this, "KMix");
m_globalAccel->insert( "Increase volume", i18n( "Increase Volume of Master Channel"), TQString(),
TDEShortcut(), TDEShortcut(), TQT_TQOBJECT(this), TQT_SLOT( slotIncreaseVolume() ) );
m_globalAccel->insert( "Decrease volume", i18n( "Decrease Volume of Master Channel"), TQString(),
TDEShortcut(), TDEShortcut(), TQT_TQOBJECT(this), TQT_SLOT( slotDecreaseVolume() ) );
m_globalAccel->insert( "Toggle mute", i18n( "Toggle Mute of Master Channel"), TQString(),
TDEShortcut(), TDEShortcut(), TQT_TQOBJECT(this), TQT_SLOT( slotToggleMuted() ) );
m_globalAccel->readSettings();
m_globalAccel->updateConnections();
createGUI( "kmixui.rc" );
}
void
KMixWindow::initPrefDlg()
{
m_prefDlg = new KMixPrefDlg( this );
connect( m_prefDlg, TQT_SIGNAL(signalApplied(KMixPrefDlg *)),
this, TQT_SLOT(applyPrefs(KMixPrefDlg *)) );
}
void
KMixWindow::initWidgets()
{
// Main widget and layout
setCentralWidget( new TQWidget( this, "qt_central_widget" ) );
// Widgets layout
widgetsLayout = new TQVBoxLayout( centralWidget(), 0, 0, "widgetsLayout" );
widgetsLayout->setResizeMode(TQLayout::Minimum); // works fine
// Mixer widget line
mixerNameLayout = new TQHBox( centralWidget(), "mixerNameLayout" );
widgetsLayout->setStretchFactor( mixerNameLayout, 0 );
TQSizePolicy qsp( TQSizePolicy::Ignored, TQSizePolicy::Maximum);
mixerNameLayout->setSizePolicy(qsp);
mixerNameLayout->setSpacing(KDialog::spacingHint());
TQLabel *qlbl = new TQLabel( i18n("Current mixer:"), mixerNameLayout );
qlbl->setFixedHeight(qlbl->sizeHint().height());
m_cMixer = new KComboBox( FALSE, mixerNameLayout, "mixerCombo" );
m_cMixer->setFixedHeight(m_cMixer->sizeHint().height());
connect( m_cMixer, TQT_SIGNAL( activated( int ) ), TQT_TQOBJECT(this), TQT_SLOT( showSelectedMixer( int ) ) );
TQToolTip::add( m_cMixer, i18n("Current mixer" ) );
// Add first layout to widgets
widgetsLayout->addWidget( mixerNameLayout );
m_wsMixers = new TQWidgetStack( centralWidget(), "MixerWidgetStack" );
widgetsLayout->setStretchFactor( m_wsMixers, 10 );
widgetsLayout->addWidget( m_wsMixers );
if ( m_showMenubar )
menuBar()->show();
else
menuBar()->hide();
widgetsLayout->activate();
}
void
KMixWindow::updateDocking()
{
// delete old dock widget
if (m_dockWidget)
{
delete m_dockWidget;
m_dockWidget = 0L;
}
if (m_showDockWidget)
{
// create dock widget
m_dockWidget = new KMixDockWidget( Mixer::mixers().first(), this, "mainDockWidget", m_volumeWidget, m_dockIconMuting );
m_dockWidget->show();
}
}
void
KMixWindow::saveSettings()
{
saveConfig();
saveVolumes();
}
void
KMixWindow::saveConfig()
{
TDEConfig *config = kapp->config();
config->setGroup(0);
// make sure we don't start without any UI
// can happen e.g. when not docked and kmix closed via 'X' button
bool startVisible = m_isVisible;
if ( !m_showDockWidget )
startVisible = true;
config->writeEntry( "Size", size() );
config->writeEntry( "Position", pos() );
// Cannot use isVisible() here, as in the "aboutToQuit()" case this widget is already hidden.
// (Please note that the problem was only there when quitting via Systray - esken).
config->writeEntry( "Visible", startVisible );
config->writeEntry( "Menubar", m_showMenubar );
config->writeEntry( "AllowDocking", m_showDockWidget );
config->writeEntry( "TrayVolumeControl", m_volumeWidget );
config->writeEntry( "Tickmarks", m_showTicks );
config->writeEntry( "Labels", m_showLabels );
config->writeEntry( "starttdeRestore", m_onLogin );
config->writeEntry( "DockIconMuting", m_dockIconMuting );
Mixer* mixerMasterCard = Mixer::masterCard();
if ( mixerMasterCard != 0 ) {
config->writeEntry( "MasterMixer", mixerMasterCard->id() );
}
MixDevice* mdMaster = Mixer::masterCardDevice();
if ( mdMaster != 0 ) {
config->writeEntry( "MasterMixerDevice", mdMaster->getPK() );
}
if ( m_valueStyle == MixDeviceWidget::NABSOLUTE )
config->writeEntry( "ValueStyle", "Absolute");
else if ( m_valueStyle == MixDeviceWidget::NRELATIVE )
config->writeEntry( "ValueStyle", "Relative");
else
config->writeEntry( "ValueStyle", "None" );
if ( m_toplevelOrientation == Qt::Vertical )
config->writeEntry( "Orientation","Vertical" );
else
config->writeEntry( "Orientation","Horizontal" );
config->writeEntry( "Autostart", m_autoStart );
// save mixer widgets
for ( KMixerWidget *mw = m_mixerWidgets.first(); mw != 0; mw = m_mixerWidgets.next() )
{
if ( mw->mixer()->isOpen() )
{ // protect from unplugged devices (better do *not* save them)
TQString grp;
grp.sprintf( "%i", mw->id() );
mw->saveConfig( config, grp );
}
}
config->setGroup(0);
}
void
KMixWindow::loadConfig()
{
TDEConfig *config = kapp->config();
config->setGroup(0);
m_showDockWidget = config->readBoolEntry("AllowDocking", true);
m_volumeWidget = config->readBoolEntry("TrayVolumeControl", true);
//hide on close has to stay true for usability. KMixPrefDlg option commented out. nolden
m_hideOnClose = config->readBoolEntry("HideOnClose", true);
m_showTicks = config->readBoolEntry("Tickmarks", true);
m_showLabels = config->readBoolEntry("Labels", true);
const TQString& valueStyleString = config->readEntry("ValueStyle", "None");
m_onLogin = config->readBoolEntry("starttdeRestore", true );
m_dockIconMuting = config->readBoolEntry( "DockIconMuting", false);
m_startVisible = config->readBoolEntry("Visible", false);
m_multiDriverMode = config->readBoolEntry("MultiDriver", false);
m_surroundView = config->readBoolEntry("Experimental-ViewSurround", false );
m_gridView = config->readBoolEntry("Experimental-ViewGrid", false );
const TQString& orientationString = config->readEntry("Orientation", "Horizontal");
bool useDefaultMaster = config->readBoolEntry( "UseDefaultMaster", true );
if (!useDefaultMaster)
{
TQString mixerMasterCard = config->readEntry( "MasterMixer", "" );
Mixer::setMasterCard(mixerMasterCard);
TQString masterDev = config->readEntry( "MasterMixerDevice", "" );
Mixer::setMasterCardDevice(masterDev);
}
if ( valueStyleString == "Absolute" )
m_valueStyle = MixDeviceWidget::NABSOLUTE;
else if ( valueStyleString == "Relative" )
m_valueStyle = MixDeviceWidget::NRELATIVE;
else
m_valueStyle = MixDeviceWidget::NNONE;
if ( orientationString == "Vertical" )
m_toplevelOrientation = Qt::Vertical;
else
m_toplevelOrientation = Qt::Horizontal;
m_autoStart = config->readBoolEntry("Autostart", true);
// show/hide menu bar
m_showMenubar = config->readBoolEntry("Menubar", true);
TDEToggleAction *a = static_cast<TDEToggleAction*>(actionCollection()->action("options_show_menubar"));
if (a) a->setChecked( m_showMenubar );
// restore window size and position
if ( !kapp->isRestored() ) // done by the session manager otherwise
{
TQSize defSize( minimumWidth(), height() );
TQSize size = config->readSizeEntry("Size", &defSize );
if(!size.isEmpty()) resize(size);
TQPoint defPos = pos();
TQPoint pos = config->readPointEntry("Position", &defPos);
move(pos);
}
}
void
KMixWindow::initMixerWidgets()
{
m_mixerWidgets.clear();
int id=0;
Mixer *mixer;
// Attention!! If Mixer::mixers() is empty, we behave stupid. We don't show nothing and there
// is not even a context menu.
for ( mixer=Mixer::mixers().first(),id=0; mixer!=0; mixer=Mixer::mixers().next(),id++ )
{
//kdDebug(67100) << "Mixer number: " << id << " Name: " << mixer->mixerName() << endl ;
ViewBase::ViewFlags vflags = ViewBase::HasMenuBar;
if ( m_showMenubar ) {
vflags |= ViewBase::MenuBarVisible;
}
if ( m_surroundView ) {
vflags |= ViewBase::Experimental_SurroundView;
}
if ( m_gridView ) {
vflags |= ViewBase::Experimental_GridView;
}
if ( m_toplevelOrientation == Qt::Vertical ) {
vflags |= ViewBase::Vertical;
}
else {
vflags |= ViewBase::Horizontal;
}
KMixerWidget *mw = new KMixerWidget( id, mixer, mixer->mixerName(),
MixDevice::ALL, this, "KMixerWidget", vflags );
m_mixerWidgets.append( mw );
// Add to Combo and Stack
m_cMixer->insertItem( mixer->mixerName() );
m_wsMixers->addWidget( mw, id );
TQString grp;
grp.sprintf( "%i", mw->id() );
mw->loadConfig( kapp->config(), grp );
mw->setTicks( m_showTicks );
mw->setLabels( m_showLabels );
mw->setValueStyle ( m_valueStyle );
// !! I am still not sure whether this works 100% reliably - chris
mw->show();
}
if (id == 1)
{
// don't show the Current Mixer bit unless we have multiple mixers
mixerNameLayout->hide();
}
}
bool
KMixWindow::queryClose ( )
{
if ( m_showDockWidget && !kapp->sessionSaving() )
{
hide();
return false;
}
return true;
}
void
KMixWindow::quit()
{
kapp->quit();
}
void
KMixWindow::showSettings()
{
if (!m_prefDlg->isVisible())
{
m_prefDlg->m_dockingChk->setChecked( m_showDockWidget );
m_prefDlg->m_volumeChk->setChecked(m_volumeWidget);
m_prefDlg->m_showTicks->setChecked( m_showTicks );
m_prefDlg->m_showLabels->setChecked( m_showLabels );
m_prefDlg->m_onLogin->setChecked( m_onLogin );
m_prefDlg->m_dockIconMuting->setChecked( m_dockIconMuting );
m_prefDlg->_rbVertical ->setChecked( m_toplevelOrientation == Qt::Vertical );
m_prefDlg->_rbHorizontal->setChecked( m_toplevelOrientation == Qt::Horizontal );
m_prefDlg->_rbNone->setChecked( m_valueStyle == MixDeviceWidget::NNONE );
m_prefDlg->_rbAbsolute->setChecked( m_valueStyle == MixDeviceWidget::NABSOLUTE );
m_prefDlg->_rbRelative->setChecked( m_valueStyle == MixDeviceWidget::NRELATIVE );
m_prefDlg->m_autoStartChk->setChecked( m_autoStart );
m_prefDlg->show();
}
}
void
KMixWindow::showHelp()
{
actionCollection()->action( "help_contents" )->activate();
}
void
KMixWindow::showAbout()
{
actionCollection()->action( "help_about_app" )->activate();
}
/**
* Loads the volumes of all mixers from kmixctrlrc.
* In other words:
* Restores the default voumes as stored via saveVolumes() or the
* execution of "kmixctrl --save"
*/
/* Currently this is not in use
void
KMixWindow::loadVolumes()
{
TDEConfig *cfg = new TDEConfig( "kmixctrlrc", true );
for (Mixer *mixer=Mixer::mixers().first(); mixer!=0; mixer=Mixer::mixers().next())
{
mixer->volumeLoad( cfg );
}
delete cfg;
}
*/
/**
* Stores the volumes of all mixers Can be restored via loadVolumes() or
* the kmixctrl application.
*/
void
KMixWindow::saveVolumes()
{
TDEConfig *cfg = new TDEConfig( "kmixctrlrc", false );
for (Mixer *mixer=Mixer::mixers().first(); mixer!=0; mixer=Mixer::mixers().next()) {
//kdDebug(67100) << "KMixWindow::saveConfig()" << endl;
if ( mixer->isOpen() ) { // protect from unplugged devices (better do *not* save them)
mixer->volumeSave( cfg );
}
}
delete cfg;
}
void
KMixWindow::applyPrefs( KMixPrefDlg *prefDlg )
{
m_showDockWidget = prefDlg->m_dockingChk->isChecked();
m_volumeWidget = prefDlg->m_volumeChk->isChecked();
m_showTicks = prefDlg->m_showTicks->isChecked();
m_showLabels = prefDlg->m_showLabels->isChecked();
m_onLogin = prefDlg->m_onLogin->isChecked();
m_dockIconMuting = prefDlg->m_dockIconMuting->isChecked();
if ( prefDlg->_rbNone->isChecked() ) {
m_valueStyle = MixDeviceWidget::NNONE;
} else if ( prefDlg->_rbAbsolute->isChecked() ) {
m_valueStyle = MixDeviceWidget::NABSOLUTE;
} else if ( prefDlg->_rbRelative->isChecked() ) {
m_valueStyle = MixDeviceWidget::NRELATIVE;
}
bool toplevelOrientationHasChanged =
( prefDlg->_rbVertical->isChecked() && m_toplevelOrientation == Qt::Horizontal )
|| ( prefDlg->_rbHorizontal->isChecked() && m_toplevelOrientation == Qt::Vertical );
if ( toplevelOrientationHasChanged ) {
TQString msg = i18n("The change of orientation will be adopted on the next start of KMix.");
KMessageBox::information(0,msg);
}
if ( prefDlg->_rbVertical->isChecked() ) {
//kdDebug(67100) << "KMix should change to Vertical layout\n";
m_toplevelOrientation = Qt::Vertical;
}
else if ( prefDlg->_rbHorizontal->isChecked() ) {
//kdDebug(67100) << "KMix should change to Horizontal layout\n";
m_toplevelOrientation = Qt::Horizontal;
}
m_autoStart = prefDlg->m_autoStartChk->isChecked();
this->setUpdatesEnabled(false);
updateDocking();
for (KMixerWidget *mw=m_mixerWidgets.first(); mw!=0; mw=m_mixerWidgets.next())
{
mw->setTicks( m_showTicks );
mw->setLabels( m_showLabels );
mw->setValueStyle ( m_valueStyle );
mw->mixer()->readSetFromHWforceUpdate(); // needed, as updateDocking() has reconstructed the DockWidget
}
this->setUpdatesEnabled(true);
// avoid invisible and unaccessible main window
if( !m_showDockWidget && !isVisible() )
{
show();
}
this->repaint(); // make KMix look fast (saveConfig() often uses several seconds)
kapp->processEvents();
saveConfig();
}
void
KMixWindow::toggleMenuBar()
{
m_showMenubar = !m_showMenubar;
if( m_showMenubar )
{
menuBar()->show();
}
else
{
menuBar()->hide();
}
}
void
KMixWindow::showEvent( TQShowEvent * )
{
if ( m_visibilityUpdateAllowed )
m_isVisible = isVisible();
// !! could possibly start polling now (idea: use someting like ref() and unref() on Mixer instance
}
void
KMixWindow::hideEvent( TQHideEvent * )
{
if ( m_visibilityUpdateAllowed )
{
m_isVisible = isVisible();
}
// !! could possibly stop polling now (idea: use someting like ref() and unref() on Mixer instance
// Update: This is a stupid idea, because now the views are responsible for updating. So it will be done in the Views.
// But the dock icon is currently no View, so that must be done first.
}
void
KMixWindow::stopVisibilityUpdates() {
m_visibilityUpdateAllowed = false;
}
void
KMixWindow::slotHWInfo() {
KMessageBox::information( 0, m_hwInfoString, i18n("Mixer Hardware Information") );
}
void
KMixWindow::showSelectedMixer( int mixer )
{
m_wsMixers->raiseWidget( mixer );
}
void
KMixWindow::configureGlobalShortcuts()
{
KKeyDialog::configure( m_globalAccel, 0, false ) ;
m_globalAccel->writeSettings();
m_globalAccel->updateConnections();
}
// KMixIface DCOP interface methods
void KMixWindow::setVolume(int percentage)
{
Mixer *mixerMaster = Mixer::masterCard();
if (mixerMaster)
{
mixerMaster->setMasterVolume(percentage);
}
}
void KMixWindow::increaseVolume(int percentage)
{
Mixer *mixerMaster = Mixer::masterCard();
if (mixerMaster)
{
MixDevice *md = mixerMaster->masterDevice();
if (md)
{
mixerMaster->increaseVolume(md->num(), percentage);
}
}
}
void KMixWindow::decreaseVolume(int percentage)
{
Mixer *mixerMaster = Mixer::masterCard();
if (mixerMaster)
{
MixDevice *md = mixerMaster->masterDevice();
if (md)
{
mixerMaster->decreaseVolume(md->num(), percentage);
}
}
}
int KMixWindow::volume()
{
Mixer *mixerMaster = Mixer::masterCard();
if (mixerMaster)
{
return mixerMaster->masterVolume();
}
return -1;
}
void KMixWindow::setAbsoluteVolume(long absoluteVolume)
{
Mixer *mixerMaster = Mixer::masterCard();
if (mixerMaster)
{
MixDevice *md = mixerMaster->masterDevice();
if (md)
{
return mixerMaster->setAbsoluteVolume(md->num(), absoluteVolume);
}
}
}
long KMixWindow::absoluteVolume()
{
Mixer *mixerMaster = Mixer::masterCard();
if (mixerMaster)
{
MixDevice *md = mixerMaster->masterDevice();
if (md)
{
return mixerMaster->absoluteVolume(md->num());
}
}
return -1L;
}
long KMixWindow::absoluteVolumeMin()
{
Mixer *mixerMaster = Mixer::masterCard();
if (mixerMaster)
{
MixDevice *md = mixerMaster->masterDevice();
if (md)
{
return mixerMaster->absoluteVolumeMin(md->num());
}
}
return -1L;
}
long KMixWindow::absoluteVolumeMax()
{
Mixer *mixerMaster = Mixer::masterCard();
if (mixerMaster)
{
MixDevice *md = mixerMaster->masterDevice();
if (md)
{
return mixerMaster->absoluteVolumeMax(md->num());
}
}
return -1L;
}
void KMixWindow::setMute(bool on)
{
Mixer *mixerMaster = Mixer::masterCard();
if (mixerMaster)
{
mixerMaster->setMasterMute(on);
}
}
void KMixWindow::toggleMute()
{
Mixer *mixerMaster = Mixer::masterCard();
if (mixerMaster)
{
mixerMaster->toggleMasterMute();
}
}
bool KMixWindow::mute()
{
Mixer *mixerMaster = Mixer::masterCard();
if (mixerMaster)
{
return mixerMaster->masterMute();
}
return true;
}
TQString KMixWindow::mixerName()
{
Mixer *mixerMaster = Mixer::masterCard();
if (mixerMaster)
{
return mixerMaster->mixerName();
}
return TQString::null;
}
int KMixWindow::deviceIndex()
{
Mixer *mixerMaster = Mixer::masterCard();
if (mixerMaster)
{
return mixerMaster->masterDeviceIndex();
}
return -1;
}
void KMixWindow::setBalance(int balance)
{
Mixer *mixerMaster = Mixer::masterCard();
if (mixerMaster)
{
mixerMaster->setBalance(balance);
}
}
#include "kmix.moc"
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