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Diffstat (limited to 'kmix/viewswitches.cpp')
| -rw-r--r-- | kmix/viewswitches.cpp | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/kmix/viewswitches.cpp b/kmix/viewswitches.cpp new file mode 100644 index 00000000..d5a9b60c --- /dev/null +++ b/kmix/viewswitches.cpp @@ -0,0 +1,189 @@ +/* + * KMix -- KDE's full featured mini mixer + * + * + * Copyright (C) 1996-2004 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 "viewswitches.h" + +#include <qlayout.h> +#include <qwidget.h> + +#include <kdebug.h> +#include <klocale.h> + +#include "mdwswitch.h" +#include "mdwenum.h" +#include "mixer.h" + +ViewSwitches::ViewSwitches(QWidget* parent, const char* name, const QString & caption, Mixer* mixer, ViewBase::ViewFlags vflags) + : ViewBase(parent, name, caption, mixer, 0, vflags) +{ + // Create switch buttonGroup + if ( _vflags & ViewBase::Vertical ) { + _layoutMDW = new QVBoxLayout(this); + _layoutSwitch = new QVBoxLayout(_layoutMDW); + _layoutEnum = new QVBoxLayout(_layoutMDW); // always vertical! + } + else { + _layoutMDW = new QHBoxLayout(this); + _layoutSwitch = new QHBoxLayout(_layoutMDW); + // Place enums right from the switches: This is done, so that there will be no + // ugly space on the left side, when no Switch is shown. + // Actually it is not really clear yet, why there is empty space at all: There are 0 items in + // the _layoutEnum, so it might be a sizeHint() or some other subtle layout issue. + _layoutEnum = new QVBoxLayout(_layoutMDW); + } + init(); +} + +ViewSwitches::~ViewSwitches() { +} + +void ViewSwitches::setMixSet(MixSet *mixset) +{ + MixDevice* md; + for ( md = mixset->first(); md != 0; md = mixset->next() ) { + if ( md->isSwitch() || md->isEnum() ) { + _mixSet->append(md); + } + else { + } + } +} + + +int ViewSwitches::count() +{ + return ( _mixSet->count() ); +} + +int ViewSwitches::advice() { + if ( _mixSet->count() > 0 ) { + // The Switch Views is always advised, if there are devices in it + return 100; + } + else { + return 0; + } +} + +QWidget* ViewSwitches::add(MixDevice *md) +{ + MixDeviceWidget *mdw; + + if ( md->isEnum() ) { + Qt::Orientation orientation = (_vflags & ViewBase::Vertical) ? Qt::Horizontal : Qt::Vertical; + mdw = new MDWEnum( + _mixer, // the mixer for this device + md, // MixDevice (parameter) + orientation, // Orientation + this, // parent + this, // View widget + md->name().latin1() + ); + _layoutEnum->add(mdw); + } // an enum + else { + // must be a switch + Qt::Orientation orientation = (_vflags & ViewBase::Vertical) ? Qt::Horizontal : Qt::Vertical; + mdw = + new MDWSwitch( + _mixer, // the mixer for this device + md, // MixDevice (parameter) + false, // Small + orientation, // Orientation + this, // parent + this, // View widget + md->name().latin1() + ); + _layoutSwitch->add(mdw); + } // a switch + + return mdw; +} + +QSize ViewSwitches::sizeHint() const { + //kdDebug(67100) << "ViewSwitches::sizeHint(): NewSize is " << _layoutMDW->sizeHint() << "\n"; + return( _layoutMDW->sizeHint() ); +} + +void ViewSwitches::constructionFinished() { + configurationUpdate(); // also does _layoutMDW->activate(); +} + +void ViewSwitches::refreshVolumeLevels() { + //kdDebug(67100) << "ViewSwitches::refreshVolumeLevels()\n"; + QWidget *mdw = _mdws.first(); + MixDevice* md; + for ( md = _mixSet->first(); md != 0; md = _mixSet->next() ) { + if ( mdw == 0 ) { + kdError(67100) << "ViewSwitches::refreshVolumeLevels(): mdw == 0\n"; + break; // sanity check (normally the lists are set up correctly) + } + else { + if ( mdw->inherits("MDWSwitch")) { + //kdDebug(67100) << "ViewSwitches::refreshVolumeLevels(): updating\n"; + // a slider, fine. Lets update its value + static_cast<MDWSwitch*>(mdw)->update(); + } + else if ( mdw->inherits("MDWEnum")) { + static_cast<MDWEnum*>(mdw)->update(); + } + else { + kdError(67100) << "ViewSwitches::refreshVolumeLevels(): mdw is not slider\n"; + // no switch. Cannot happen in theory => skip it + // If I start putting other stuff in the switch tab, I will get a nice warning. + } + } + mdw = _mdws.next(); + } +} + + +/** + This implementation makes sure the BackgroundMode's are properly updated + with their alternating colors after hiding/showing channels. +*/ +void ViewSwitches::configurationUpdate() { + bool backGoundModeToggler = true; + for (QWidget *qw = _mdws.first(); qw !=0; qw = _mdws.next() ) { + if ( qw->inherits("MDWSwitch")) { + MixDeviceWidget* mdw = static_cast<MDWSwitch*>(qw); + if ( ! mdw->isDisabled() ) { + if ( backGoundModeToggler ) { + mdw->setBackgroundMode(PaletteBackground); + } + else { + // !! Should use KGlobalSettings::alternateBackgroundColor() + // or KGlobalSettings::calculateAlternateBackgroundColor() instead. + mdw->setBackgroundMode( PaletteBase ); + } + backGoundModeToggler = !backGoundModeToggler; + } // ! isDisabled() + else { + //kdDebug(67100) << "ViewSwitches::configurationUpdate() ignoring diabled switch\n"; + } + } // inherits("MDWSwitch") + } + _layoutMDW->activate(); +} + + +#include "viewswitches.moc" + |