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-rw-r--r--kmix/kmixdockwidget.cpp391
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diff --git a/kmix/kmixdockwidget.cpp b/kmix/kmixdockwidget.cpp
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+/*
+ * KMix -- KDE's full featured mini mixer
+ *
+ *
+ * Copyright (C) 2000 Stefan Schimanski <1Stein@gmx.de>
+ * Copyright (C) 2001 Preston Brown <pbrown@kde.org>
+ * Copyright (C) 2003 Sven Leiber <s.leiber@web.de>
+ * 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 <kaction.h>
+#include <klocale.h>
+#include <kapplication.h>
+#include <kpanelapplet.h>
+#include <kpopupmenu.h>
+#include <kglobalsettings.h>
+#include <kdialog.h>
+#include <kaudioplayer.h>
+#include <kiconloader.h>
+#include <kdebug.h>
+#include <kwin.h>
+
+#include <qapplication.h>
+#include <qcursor.h>
+#include <qtooltip.h>
+#include <X11/Xlib.h>
+#include <fixx11h.h>
+
+#include "dialogselectmaster.h"
+#include "mixer.h"
+#include "mixdevicewidget.h"
+#include "kmixdockwidget.h"
+#include "kwin.h"
+#include "viewdockareapopup.h"
+
+KMixDockWidget::KMixDockWidget( Mixer *mixer, QWidget *parent, const char *name, bool volumePopup )
+ : KSystemTray( parent, name ),
+ m_mixer(mixer),
+ _dockAreaPopup(0L),
+ _audioPlayer(0L),
+ _playBeepOnVolumeChange(false), // disabled due to triggering a "Bug"
+ _oldToolTipValue(-1),
+ _oldPixmapType('-'),
+ _volumePopup(volumePopup)
+{
+ Mixer* preferredMasterMixer = Mixer::masterCard();
+ if ( preferredMasterMixer != 0 ) {
+ m_mixer = preferredMasterMixer;
+ }
+ MixDevice* mdMaster = Mixer::masterCardDevice();
+ if ( mdMaster != 0 ) {
+ m_mixer->setMasterDevice(mdMaster->getPK()); // !! using both Mixer::masterCard() and m_mixer->masterDevice() is nonsense !!
+ }
+ createActions();
+ createMasterVolWidget();
+ connect(this, SIGNAL(quitSelected()), kapp, SLOT(quitExtended()));
+}
+
+KMixDockWidget::~KMixDockWidget()
+{
+ delete _audioPlayer;
+ delete _dockAreaPopup;
+}
+
+void KMixDockWidget::createActions()
+{
+ // Put "Mute" selector in context menu
+ (void)new KToggleAction( i18n( "M&ute" ), 0, this, SLOT( dockMute() ),
+ actionCollection(), "dock_mute" );
+ KAction *a = actionCollection()->action( "dock_mute" );
+ KPopupMenu *popupMenu = contextMenu();
+ if ( a ) a->plug( popupMenu );
+
+ // Put "Select Master Channel" dialog in context menu
+ if ( m_mixer != 0 ) {
+ (void)new KAction( i18n("Select Master Channel..."), 0, this, SLOT(selectMaster()),
+ actionCollection(), "select_master");
+ KAction *a2 = actionCollection()->action( "select_master" );
+ if (a2) a2->plug( popupMenu );
+ }
+
+ // Setup volume preview
+ if ( _playBeepOnVolumeChange ) {
+ _audioPlayer = new KAudioPlayer("KDE_Beep_Digital_1.ogg");
+ }
+}
+
+
+void
+KMixDockWidget::createMasterVolWidget()
+{
+ // Reset flags, so that the dock icon will be reconstructed
+ _oldToolTipValue = -1;
+ _oldPixmapType = '-';
+
+ if (m_mixer == 0) {
+ // In case that there is no mixer installed, there will be no newVolumeLevels() signal's
+ // Thus we prepare the dock areas manually
+ setVolumeTip();
+ updatePixmap();
+ return;
+ }
+ // create devices
+
+ _dockAreaPopup = new ViewDockAreaPopup(0, "dockArea", m_mixer, 0, this);
+ _dockAreaPopup->createDeviceWidgets();
+ m_mixer->readSetFromHWforceUpdate(); // after changing the master device, make sure to re-read (otherwise no "changed()" signals might get sent by the Mixer
+ /* With the recently introduced QSocketNotifier stuff, we can't rely on regular timer updates
+ any longer. Also the readSetFromHWforceUpdate() won't be enough. As a workaround, we trigger
+ all "repaints" manually here.
+ The call to m_mixer->readSetFromHWforceUpdate() is most likely superfluous, even if we don't use QSocketNotifier (e.g. in backends OSS, Solaris, ...)
+ */
+ setVolumeTip();
+ updatePixmap();
+ /* We are setting up 3 connections:
+ * Refreshig the _dockAreaPopup (not anymore neccesary, because ViewBase already does it)
+ * Refreshing the Tooltip
+ * Refreshing the Icon
+ *
+ */
+ // connect( m_mixer, SIGNAL(newVolumeLevels()), _dockAreaPopup, SLOT(refreshVolumeLevels()) );
+ connect( m_mixer, SIGNAL(newVolumeLevels()), this, SLOT(setVolumeTip() ) );
+ connect( m_mixer, SIGNAL(newVolumeLevels()), this, SLOT(updatePixmap() ) );
+}
+
+
+void KMixDockWidget::selectMaster()
+{
+ DialogSelectMaster* dsm = new DialogSelectMaster(m_mixer);
+ connect ( dsm, SIGNAL(newMasterSelected(int, QString&)), SLOT( handleNewMaster(int,QString&)) );
+ dsm->show();
+ // !! The dialog is modal. Does it delete itself?
+}
+
+
+void KMixDockWidget::handleNewMaster(int soundcard_id, QString& channel_id) // !! @todo rework parameters
+{
+ //kdDebug(67100) << "KMixDockWidget::handleNewMaster() soundcard_id=" << soundcard_id << " , channel_id=" << channel_id << endl;
+ Mixer *mixer = Mixer::mixers().at(soundcard_id);
+ if ( mixer == 0 ) {
+ kdError(67100) << "KMixDockWidget::createPage(): Invalid Mixer (soundcard_id=" << soundcard_id << ")" << endl;
+ return; // can not happen
+ }
+ m_mixer = mixer;
+ Mixer::setMasterCard(mixer->id()); // We must save this information "somewhere".
+ Mixer::setMasterCardDevice( channel_id );
+ createMasterVolWidget();
+}
+
+
+void
+KMixDockWidget::setVolumeTip()
+{
+ MixDevice *md = 0;
+ if ( _dockAreaPopup != 0 ) {
+ md = _dockAreaPopup->dockDevice();
+ }
+ QString tip = "";
+
+ int newToolTipValue = 0;
+ if ( md == 0 )
+ {
+ tip = i18n("Mixer cannot be found"); // !! text could be reworked
+ newToolTipValue = -2;
+ }
+ else
+ {
+ long val = -1;
+ if ( md->maxVolume() != 0 ) {
+ val = (md->getVolume().getAvgVolume(Volume::MMAIN)*100 )/( md->maxVolume() );
+ }
+ newToolTipValue = val + 10000*md->isMuted();
+ if ( _oldToolTipValue != newToolTipValue ) {
+ tip = i18n( "Volume at %1%" ).arg( val );
+ if ( md->isMuted() ) {
+ tip += i18n( " (Muted)" );
+ }
+ }
+ // create a new "virtual" value. With that we see "volume changes" as well as "muted changes"
+ newToolTipValue = val + 10000*md->isMuted();
+ }
+
+ // The actual updating is only done when the "toolTipValue" was changed
+ if ( newToolTipValue != _oldToolTipValue ) {
+ // changed (or completely new tooltip)
+ if ( _oldToolTipValue >= 0 ) {
+ // there was an old Tooltip: remove it
+ QToolTip::remove(this);
+ }
+ QToolTip::add(this, tip);
+ }
+ _oldToolTipValue = newToolTipValue;
+}
+
+void
+KMixDockWidget::updatePixmap()
+{
+ MixDevice *md = 0;
+ if ( _dockAreaPopup != 0 ) {
+ md = _dockAreaPopup->dockDevice();
+ }
+ char newPixmapType;
+ if ( md == 0 )
+ {
+ newPixmapType = 'e';
+ }
+ else if ( md->isMuted() )
+ {
+ newPixmapType = 'm';
+ }
+ else
+ {
+ newPixmapType = 'd';
+ }
+
+
+ if ( newPixmapType != _oldPixmapType ) {
+ // Pixmap must be changed => do so
+ switch ( newPixmapType ) {
+ case 'e': setPixmap( loadIcon( "kmixdocked_error" ) ); break;
+ case 'm': setPixmap( loadIcon( "kmixdocked_mute" ) ); break;
+ case 'd': setPixmap( loadIcon( "kmixdocked" ) ); break;
+ }
+ }
+
+ _oldPixmapType = newPixmapType;
+}
+
+void
+KMixDockWidget::mousePressEvent(QMouseEvent *me)
+{
+ if ( _dockAreaPopup == 0 ) {
+ return KSystemTray::mousePressEvent(me);
+ }
+
+ // esken: Due to overwhelming request, LeftButton shows the ViewDockAreaPopup, if configured
+ // to do so. Otherwise the main window will be shown.
+ if ( me->button() == LeftButton )
+ {
+ if ( ! _volumePopup ) {
+ // Case 1: User wants to show main window => This is the KSystemTray default action
+ return KSystemTray::mousePressEvent(me);
+ }
+
+ // Case 2: User wants to show volume popup
+ if ( _dockAreaPopup->justHidden() )
+ return;
+
+ if ( _dockAreaPopup->isVisible() )
+ {
+ _dockAreaPopup->hide();
+ return;
+ }
+
+ int h = _dockAreaPopup->height();
+ int x = this->mapToGlobal( QPoint( 0, 0 ) ).x() + this->width()/2 - _dockAreaPopup->width()/2;
+ int y = this->mapToGlobal( QPoint( 0, 0 ) ).y() - h;
+ if ( y < 0 )
+ y = y + h + this->height();
+
+ _dockAreaPopup->move(x, y); // so that the mouse is outside of the widget
+
+ // Now handle Multihead displays. And also make sure that the dialog is not
+ // moved out-of-the screen on the right (see Bug 101742).
+ QDesktopWidget* vdesktop = QApplication::desktop();
+ const QRect& vScreenSize = vdesktop->screenGeometry(_dockAreaPopup);
+ if ( (x+_dockAreaPopup->width()) > (vScreenSize.width() + vScreenSize.x()) ) {
+ // move horizontally, so that it is completely visible
+ _dockAreaPopup->move(vScreenSize.width() + vScreenSize.x() - _dockAreaPopup->width() -1 , y);
+ } // horizontally out-of bound
+ else if ( x < vScreenSize.x() ) {
+ _dockAreaPopup->move(vScreenSize.x(), y);
+ }
+ // the above stuff could also be implemented vertically
+
+ _dockAreaPopup->show();
+ KWin::setState(_dockAreaPopup->winId(), NET::StaysOnTop | NET::SkipTaskbar | NET::SkipPager );
+
+ QWidget::mousePressEvent(me); // KSystemTray's shouldn't do the default action for this
+ return;
+ } // LeftMouseButton pressed
+ else if ( me->button() == MidButton ) {
+ toggleActive();
+ return;
+ }
+ else {
+ KSystemTray::mousePressEvent(me);
+ } // Other MouseButton pressed
+
+}
+
+void
+KMixDockWidget::mouseReleaseEvent( QMouseEvent *me )
+{
+
+ KSystemTray::mouseReleaseEvent(me);
+}
+
+void
+KMixDockWidget::wheelEvent(QWheelEvent *e)
+{
+ MixDevice *md = 0;
+ if ( _dockAreaPopup != 0 ) {
+ md = _dockAreaPopup->dockDevice();
+ }
+ if ( md != 0 )
+ {
+ Volume vol = md->getVolume();
+ int inc = vol.maxVolume() / 20;
+
+ if ( inc == 0 ) inc = 1;
+
+ for ( int i = 0; i < vol.count(); i++ ) {
+ int newVal = vol[i] + (inc * (e->delta() / 120));
+ if( newVal < 0 ) newVal = 0;
+ vol.setVolume( (Volume::ChannelID)i, newVal < vol.maxVolume() ? newVal : vol.maxVolume() );
+ }
+
+ if ( _playBeepOnVolumeChange ) {
+ _audioPlayer->play();
+ }
+ md->getVolume().setVolume(vol);
+ m_mixer->commitVolumeChange(md);
+ // refresh the toolTip (Qt removes it on a MouseWheel event)
+ // Mhhh, it doesn't work. Qt does not show it again.
+ setVolumeTip();
+ // Simulate a mouse move to make Qt show the tooltip again
+ QApplication::postEvent( this, new QMouseEvent( QEvent::MouseMove, QCursor::pos(), Qt::NoButton, Qt::NoButton ) );
+
+ }
+}
+
+void
+KMixDockWidget::dockMute()
+{
+ MixDevice *md = 0;
+ if ( _dockAreaPopup != 0 )
+ {
+ md = _dockAreaPopup->dockDevice();
+ if ( md != 0 ) {
+ md->setMuted( !md->isMuted() );
+ m_mixer->commitVolumeChange( md );
+ }
+ }
+}
+
+void
+KMixDockWidget::contextMenuAboutToShow( KPopupMenu* /* menu */ )
+{
+ KAction* showAction = actionCollection()->action("minimizeRestore");
+ if ( parentWidget() && showAction )
+ {
+ if ( parentWidget()->isVisible() )
+ {
+ showAction->setText( i18n("Hide Mixer Window") );
+ }
+ else
+ {
+ showAction->setText( i18n("Show Mixer Window") );
+ }
+ }
+
+ // Enable/Disable "Muted" menu item
+ MixDevice *md = 0;
+ if ( _dockAreaPopup != 0 )
+ {
+ md = _dockAreaPopup->dockDevice();
+ KToggleAction *dockMuteAction = static_cast<KToggleAction*>(actionCollection()->action("dock_mute"));
+ //kdDebug(67100) << "---> md=" << md << "dockMuteAction=" << dockMuteAction << "isMuted=" << md->isMuted() << endl;
+ if ( md != 0 && dockMuteAction != 0 ) {
+ dockMuteAction->setChecked( md->isMuted() );
+ }
+ }
+}
+
+#include "kmixdockwidget.moc"
+
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