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tdemultimedia/kmix/kmixapplet.cpp

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/*
* KMix -- KDE's full featured mini mixer
*
*
* Copyright (C) 2000 Stefan Schimanski <schimmi@kde.org>
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
// System
#include <stdlib.h>
// QT
#include <qgroupbox.h>
#include <qcheckbox.h>
#include <qlabel.h>
#include <qlayout.h>
#include <qpixmap.h>
#include <qpushbutton.h>
#include <qradiobutton.h>
#include <qwmatrix.h>
// KDE
#include <kaboutapplication.h>
#include <kaboutdata.h>
#include <kaction.h>
#include <kapplication.h>
#include <kbugreport.h>
#include <kcolorbutton.h>
#include <kconfig.h>
#include <kdebug.h>
#include <kglobal.h>
#include <kglobalaccel.h>
#include <kglobalsettings.h>
#include <kiconloader.h>
#include <kinputdialog.h>
#include <klocale.h>
#include <kmessagebox.h>
#include <kstandarddirs.h>
// // KMix
#include "colorwidget.h"
#include "mixertoolbox.h"
#include "kmixapplet.h"
#include "kmixtoolbox.h"
#include "mdwslider.h"
#include "mixdevicewidget.h"
#include "mixer.h"
#include "version.h"
#include "viewapplet.h"
extern "C"
{
KDE_EXPORT KPanelApplet* init(QWidget *parent, const QString& configFile)
{
KGlobal::locale()->insertCatalogue("kmix");
return new KMixApplet(configFile, KPanelApplet::Normal,
parent, "kmixapplet");
}
}
int KMixApplet::s_instCount = 0;
//<Mixer> KMixApplet::Mixer::mixers();
static const QColor highColor = KGlobalSettings::baseColor();
static const QColor lowColor = KGlobalSettings::highlightColor();
static const QColor backColor = "#000000";
static const QColor mutedHighColor = "#FFFFFF";
static const QColor mutedLowColor = "#808080";
static const QColor mutedBackColor = "#000000";
AppletConfigDialog::AppletConfigDialog( QWidget * parent, const char * name )
: KDialogBase( KDialogBase::Plain, QString::null,
KDialogBase::Ok | KDialogBase::Apply | KDialogBase::Cancel,
KDialogBase::Ok, parent, name, false, true)
{
setPlainCaption(i18n("Configure - Mixer Applet"));
QFrame* page = plainPage();
QVBoxLayout *topLayout = new QVBoxLayout(page);
colorWidget = new ColorWidget(page);
topLayout->addWidget(colorWidget);
setUseCustomColors(false);
}
void AppletConfigDialog::slotOk()
{
slotApply();
KDialogBase::slotOk();
}
void AppletConfigDialog::slotApply()
{
emit applied();
}
void AppletConfigDialog::setActiveColors(const QColor& high, const QColor& low, const QColor& back)
{
colorWidget->activeHigh->setColor(high);
colorWidget->activeLow->setColor(low);
colorWidget->activeBack->setColor(back);
}
void AppletConfigDialog::activeColors(QColor& high, QColor& low, QColor& back) const
{
high = colorWidget->activeHigh->color();
low = colorWidget->activeLow->color();
back = colorWidget->activeBack->color();
}
void AppletConfigDialog::setMutedColors(const QColor& high, const QColor& low, const QColor& back)
{
colorWidget->mutedHigh->setColor(high);
colorWidget->mutedLow->setColor(low);
colorWidget->mutedBack->setColor(back);
}
void AppletConfigDialog::mutedColors(QColor& high, QColor& low, QColor& back) const
{
high = colorWidget->mutedHigh->color();
low = colorWidget->mutedLow->color();
back = colorWidget->mutedBack->color();
}
void AppletConfigDialog::setUseCustomColors(bool custom)
{
colorWidget->customColors->setChecked(custom);
colorWidget->activeColors->setEnabled(custom);
colorWidget->mutedColors->setEnabled(custom);
}
bool AppletConfigDialog::useCustomColors() const
{
return colorWidget->customColors->isChecked();
}
KMixApplet::KMixApplet( const QString& configFile, Type t,
QWidget *parent, const char *name )
: KPanelApplet( configFile, t, KPanelApplet::Preferences | KPanelApplet::ReportBug | KPanelApplet::About, parent, name ),
m_mixerWidget(0), m_errorLabel(0), m_pref(0),
m_aboutData( "kmix", I18N_NOOP("KMix Panel Applet"),
APP_VERSION, "Mini Sound Mixer Applet", KAboutData::License_GPL,
I18N_NOOP( "(c) 1996-2000 Christian Esken\n(c) 2000-2003 Christian Esken, Stefan Schimanski") )
{
setBackgroundOrigin(AncestorOrigin);
kdDebug(67100) << "KMixApplet::KMixApplet instancing Applet. Old s_instCount="<< s_instCount << " configfile=" << configFile << endl;
//kdDebug(67100) << "KMixApplet::KMixApplet()" << endl;
_layout = new QHBoxLayout(this); // it will always only be one item in it, so we don't care whether it is HBox or VBox
// init static vars
if ( s_instCount == 0) {
Mixer::mixers().setAutoDelete( TRUE );
QString dummyStringHwinfo;
MixerToolBox::initMixer(Mixer::mixers(), false, dummyStringHwinfo);
}
s_instCount++;
kdDebug(67100) << "KMixApplet::KMixApplet instancing Applet, s_instCount="<< s_instCount << endl;
KGlobal::dirs()->addResourceType( "appicon", KStandardDirs::kde_default("data") + "kmix/pics" );
loadConfig();
/********** find out to use which mixer ****************************************/
_mixer = 0;
for (_mixer= Mixer::mixers().first(); _mixer!=0; _mixer=Mixer::mixers().next())
{
if ( _mixer->id() == _mixerId ) break;
}
if ( _mixer == 0 ) {
/* Until KMix V3.4-0 the mixerNumber (int) was stored. This was too complicated to handle, so we use an
* unique ID (_mixer->mixerId(). But in case when the user changes soundcards (or when upgrading from
* KMix 3.4-0 to a 3.4-1 or newer), we scan also for the soundcard name */
for (_mixer= Mixer::mixers().first(); _mixer!=0; _mixer=Mixer::mixers().next())
{
if ( _mixer->mixerName() == _mixerName ) break;
}
}
// don't prompt for a mixer if there is just one available
if ( !_mixer && Mixer::mixers().count() == 1 ) {
_mixer = Mixer::mixers().first();
}
if ( _mixer == 0 )
{
// No mixer set by user (kmixappletrc_*) and more than one to choose
// We do NOT know which mixer to use => ask the User
m_errorLabel = new QPushButton( i18n("Select Mixer"), this );
m_errorLabel->setGeometry(0, 0, m_errorLabel->sizeHint().width(), m_errorLabel->sizeHint().height() );
resize( m_errorLabel->sizeHint() );
connect( m_errorLabel, SIGNAL(clicked()), this, SLOT(selectMixer()) );
}
else {
// We know which mixer to use: Call positionChange(), which does all the creating
positionChange(position());
}
m_aboutData.addCredit( I18N_NOOP( "For detailed credits, please refer to the About information of the KMix program" ) );
}
KMixApplet::~KMixApplet()
{
saveConfig();
/* !!! no cleanup for now: I get strange crashes on exiting
// destroy static vars
s_instCount--;
if ( s_instCount == 0)
{
MixerToolBox::deinitMixer();
}
*/
}
void KMixApplet::saveConfig()
{
kdDebug(67100) << "KMixApplet::saveConfig()" << endl;
if ( m_mixerWidget != 0) {
//kdDebug(67100) << "KMixApplet::saveConfig() save" << endl;
KConfig *cfg = this->config();
//kdDebug(67100) << "KMixApplet::saveConfig() save cfg=" << cfg << endl;
cfg->setGroup( 0 );
cfg->writeEntry( "Mixer", _mixer->id() );
cfg->writeEntry( "MixerName", _mixer->mixerName() );
cfg->writeEntry( "ColorCustom", _customColors );
cfg->writeEntry( "ColorHigh", _colors.high.name() );
cfg->writeEntry( "ColorLow", _colors.low.name() );
cfg->writeEntry( "ColorBack", _colors.back.name() );
cfg->writeEntry( "ColorMutedHigh", _colors.mutedHigh.name() );
cfg->writeEntry( "ColorMutedLow", _colors.mutedLow.name() );
cfg->writeEntry( "ColorMutedBack", _colors.mutedBack.name() );
//cfg->writeEntry( "ReversedDirection", reversedDir );
saveConfig( cfg, "Widget" );
cfg->sync();
}
}
void KMixApplet::loadConfig()
{
kdDebug(67100) << "KMixApplet::loadConfig()" << endl;
KConfig *cfg = this->config();
cfg->setGroup(0);
_mixerId = cfg->readEntry( "Mixer", "undef" );
_mixerName = cfg->readEntry( "MixerName", QString::null );
_customColors = cfg->readBoolEntry( "ColorCustom", false );
_colors.high = cfg->readColorEntry("ColorHigh", &highColor);
_colors.low = cfg->readColorEntry("ColorLow", &lowColor);
_colors.back = cfg->readColorEntry("ColorBack", &backColor);
_colors.mutedHigh = cfg->readColorEntry("ColorMutedHigh", &mutedHighColor);
_colors.mutedLow = cfg->readColorEntry("ColorMutedLow", &mutedLowColor);
_colors.mutedBack = cfg->readColorEntry("ColorMutedBack", &mutedBackColor);
loadConfig( cfg, "Widget");
}
void KMixApplet::loadConfig( KConfig *config, const QString &grp )
{
if ( m_mixerWidget ) {
//config->setGroup( grp );
KMixToolBox::loadConfig(m_mixerWidget->_mdws, config, grp, "PanelApplet" );
}
}
void KMixApplet::saveConfig( KConfig *config, const QString &grp )
{
if ( m_mixerWidget ) {
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());
KMixToolBox::saveConfig(m_mixerWidget->_mdws, config, grp, "PanelApplet" );
}
}
/**
* Opens a dialog box with all available mixers and let the user choose one.
* If the user selects a mixer, "_mixer" will be set and positionChange() is called.
*/
void KMixApplet::selectMixer()
{
QStringList lst;
int n=1;
for (Mixer *mixer=Mixer::mixers().first(); mixer!=0; mixer=Mixer::mixers().next())
{
QString s;
s.sprintf("%i. %s", n, mixer->mixerName().ascii());
lst << s;
n++;
}
bool ok = FALSE;
QString res = KInputDialog::getItem( i18n("Mixers"),
i18n("Available mixers:"),
lst, 1, FALSE, &ok, this );
if ( ok )
{
Mixer *mixer = Mixer::mixers().at( lst.findIndex( res ) );
if (!mixer)
KMessageBox::sorry( this, i18n("Invalid mixer entered.") );
else
{
delete m_errorLabel;
m_errorLabel = 0;
_mixer = mixer;
// Create the ViewApplet by calling positionChange() ... :)
// To take over reversedDir and (more important) to create the mixer widget
// if necessary!
positionChange(position());
}
}
}
void KMixApplet::about()
{
KAboutApplication aboutDlg(&m_aboutData);
aboutDlg.exec();
}
void KMixApplet::help()
{
}
void KMixApplet::positionChange(Position pos) {
orientationChange( orientation() );
QResizeEvent e( size(), size() ); // from KPanelApplet::positionChange
resizeEvent( &e ); // from KPanelApplet::positionChange
if ( m_errorLabel == 0) {
// do this only after we deleted the error label
if (m_mixerWidget) {
saveConfig(); // save the applet before recreating it
_layout->remove(m_mixerWidget);
delete m_mixerWidget;
}
m_mixerWidget = new ViewApplet( this, _mixer->name(), _mixer, 0, pos );
connect ( m_mixerWidget, SIGNAL(appletContentChanged()), this, SLOT(updateGeometrySlot()) );
m_mixerWidget->createDeviceWidgets();
_layout->add(m_mixerWidget);
_layout->activate();
loadConfig();
setColors();
const QSize panelAppletConstrainedSize = sizeHint();
m_mixerWidget->setGeometry( 0, 0, panelAppletConstrainedSize.width(), panelAppletConstrainedSize.height() );
resize( panelAppletConstrainedSize.width(), panelAppletConstrainedSize.height() );
//setFixedSize(panelAppletConstrainedSize.width(), panelAppletConstrainedSize.height() );
//kdDebug(67100) << "KMixApplet::positionChange(). New MDW is at " << panelAppletConstrainedSize << endl;
m_mixerWidget->show();
//connect( _mixer, SIGNAL(newVolumeLevels()), m_mixerWidget, SLOT(refreshVolumeLevels()) );
}
}
/************* GEOMETRY STUFF START ********************************/
void KMixApplet::resizeEvent(QResizeEvent *e)
{
//kdDebug(67100) << "KMixApplet::resizeEvent(). New MDW is at " << e->size() << endl;
if ( position() == KPanelApplet::pLeft || position() == KPanelApplet::pRight ) {
if ( m_mixerWidget ) m_mixerWidget->resize(e->size().width(),m_mixerWidget->height());
if ( m_errorLabel ) m_errorLabel ->resize(e->size().width(),m_errorLabel ->height());
}
else {
if ( m_mixerWidget ) m_mixerWidget->resize(m_mixerWidget->width(), e->size().height());
if ( m_errorLabel ) m_errorLabel ->resize(m_errorLabel ->width() ,e->size().height());
}
// resizing changes our own sizeHint(), because we must take the new PanelSize in account.
// So updateGeometry() is amust for us.
//kdDebug(67100) << "KMixApplet::resizeEvent(). UPDATE GEOMETRY" << endl;
updateGeometry();
//kdDebug(67100) << "KMixApplet::resizeEvent(). EMIT UPDATE LAYOUT" << endl;
emit updateLayout();
}
void KMixApplet::updateGeometrySlot() {
updateGeometry();
}
QSize KMixApplet::sizeHint() const {
//kdDebug(67100) << "KMixApplet::sizeHint()\n";
QSize qsz;
if ( m_errorLabel !=0 ) {
qsz = m_errorLabel->sizeHint();
}
else if ( m_mixerWidget != 0) {
qsz = m_mixerWidget->sizeHint();
}
else {
// During construction of m_mixerWidget or if something goes wrong:
// Return something that should resemble our former sizeHint().
qsz = size();
}
//kdDebug(67100) << "KMixApplet::sizeHint() leftright =" << qsz << "\n";
return qsz;
}
/**
We need widthForHeight() and heigthForWidth() only because KPanelApplet::updateLayout does relayouts
using this method. Actually we ignore the passed paramater and just return our preferred size.
*/
int KMixApplet::widthForHeight(int) const {
//kdDebug(67100) << "KMixApplet::widthForHeight() = " << sizeHint().width() << endl;
return sizeHint().width();
}
int KMixApplet::heightForWidth(int) const {
//kdDebug(67100) << "KMixApplet::heightForWidth() = " << sizeHint().height() << endl;
return sizeHint().height();
}
QSizePolicy KMixApplet::sizePolicy() const {
// return QSizePolicy(QSizePolicy::Preferred,QSizePolicy::Preferred);
if ( orientation() == Qt::Vertical ) {
//kdDebug(67100) << "KMixApplet::sizePolicy=(Ignored,Fixed)\n";
return QSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
}
else {
//kdDebug(67100) << "KMixApplet::sizePolicy=(Fixed,Ignored)\n";
return QSizePolicy(QSizePolicy::Fixed, QSizePolicy::Preferred);
}
}
/************* GEOMETRY STUFF END ********************************/
void KMixApplet::reportBug()
{
KBugReport bugReportDlg(this, true, &m_aboutData);
bugReportDlg.exec();
}
/******************* COLOR STUFF START ***********************************/
void KMixApplet::preferences()
{
if ( !m_pref )
{
m_pref = new AppletConfigDialog( this );
connect(m_pref, SIGNAL(finished()), SLOT(preferencesDone()));
connect( m_pref, SIGNAL(applied()), SLOT(applyPreferences()) );
m_pref->setActiveColors(_colors.high , _colors.low , _colors.back);
m_pref->setMutedColors (_colors.mutedHigh, _colors.mutedLow, _colors.mutedBack);
m_pref->setUseCustomColors( _customColors );
}
m_pref->show();
m_pref->raise();
}
void KMixApplet::preferencesDone()
{
m_pref->delayedDestruct();
m_pref = 0;
}
void KMixApplet::applyPreferences()
{
if (!m_pref)
return;
// copy the colors from the prefs dialog
m_pref->activeColors(_colors.high , _colors.low , _colors.back);
m_pref->mutedColors (_colors.mutedHigh, _colors.mutedLow, _colors.mutedBack);
_customColors = m_pref->useCustomColors();
if (!m_mixerWidget)
return;
/*
QSize si = m_mixerWidget->size();
m_mixerWidget->resize( si );
*/
setColors();
saveConfig();
}
void KMixApplet::paletteChange ( const QPalette &) {
if ( ! _customColors ) {
// We take over Colors from paletteChange(), if the user has not set custom colors.
// ignore the given QPalette and use the values from KGlobalSettings instead
_colors.high = KGlobalSettings::highlightColor();
_colors.low = KGlobalSettings::baseColor();
_colors.back = backColor;
setColors( _colors );
}
}
void KMixApplet::setColors()
{
if ( !_customColors ) {
KMixApplet::Colors cols;
cols.high = highColor;
cols.low = lowColor;
cols.back = backColor;
cols.mutedHigh = mutedHighColor;
cols.mutedLow = mutedLowColor;
cols.mutedBack = mutedBackColor;
setColors( cols );
} else
setColors( _colors );
}
void KMixApplet::setColors( const Colors &color )
{
if ( m_mixerWidget == 0 ) {
// can happen for example after a paletteChange()
return;
}
QPtrList<QWidget> &mdws = m_mixerWidget->_mdws;
for ( QWidget* qmdw=mdws.first(); qmdw != 0; qmdw=mdws.next() ) {
if ( qmdw->inherits("MixDeviceWidget") ) { // -<- temporary check. Later we *know* that it is correct
static_cast<MixDeviceWidget*>(qmdw)->setColors( color.high, color.low, color.back );
static_cast<MixDeviceWidget*>(qmdw)->setMutedColors( color.mutedHigh, color.mutedLow, color.mutedBack );
}
}
}
/******************* COLOR STUFF END ***********************************/
#include "kmixapplet.moc"
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