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Diffstat (limited to 'kmix/viewsliders.cpp')
| -rw-r--r-- | kmix/viewsliders.cpp | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/kmix/viewsliders.cpp b/kmix/viewsliders.cpp new file mode 100644 index 00000000..cb9b441e --- /dev/null +++ b/kmix/viewsliders.cpp @@ -0,0 +1,140 @@ +/* + * 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 "viewsliders.h" + +// Qt +#include <qlayout.h> +#include <qwidget.h> + +// KDE +#include <kdebug.h> + +// KMix +#include "mdwslider.h" +#include "mixer.h" + +/** + * Don't instanciate objects of this class directly. It won't work + * correctly because init() does not get called. + * See ViewInput and ViewOutput for "real" implementations. + */ +ViewSliders::ViewSliders(QWidget* parent, const char* name, const QString & caption, Mixer* mixer, ViewBase::ViewFlags vflags) + : ViewBase(parent, name, caption, mixer, WStyle_Customize|WStyle_NoBorder, vflags) +{ + if ( _vflags & ViewBase::Vertical ) { + _layoutMDW = new QVBoxLayout(this); + } + else { + _layoutMDW = new QHBoxLayout(this); + } + /* + * Do not call init(). Call init() only for "end usage" classes. + * Otherwise setMixSet() will be called multiple times. + * Yes, this is rotten ... I will think of something smart later !! + * Perhaps I can have a boolean "init-has-run" instance variable. + */ + //init(); +} + +ViewSliders::~ViewSliders() { +} + +void ViewSliders::setMixSet(MixSet *mixset) +{ + MixDevice* md; + for ( md = mixset->first(); md != 0; md = mixset->next() ) { + if ( (! md->isSwitch()) && ( ! md->isEnum() ) ) { + _mixSet->append(md); + } + } +} + +int ViewSliders::count() +{ + return ( _mixSet->count() ); +} + +int ViewSliders::advice() { + if ( _mixSet->count() > 0 ) { + // The standard input and output views are always advised, if there are devices in it + return 100; + } + else { + return 0; + } +} + +QWidget* ViewSliders::add(MixDevice *md) +{ + Qt::Orientation orientation = (_vflags & ViewBase::Vertical) ? Qt::Horizontal : Qt::Vertical; + MixDeviceWidget *mdw = + new MDWSlider( + _mixer, // the mixer for this device + md, // MixDevice (parameter) + true, // Show Mute LED + true, // Show Record LED + false, // Small + orientation, // Orientation + this, // parent + this, // View widget + md->name().latin1() + ); + _layoutMDW->add(mdw); + return mdw; +} + +QSize ViewSliders::sizeHint() const { + // kdDebug(67100) << "ViewSliders::sizeHint(): NewSize is " << _layoutMDW->sizeHint() << "\n"; + return( _layoutMDW->sizeHint() ); +} + +void ViewSliders::constructionFinished() { + _layoutMDW->activate(); +} + +void ViewSliders::refreshVolumeLevels() { + // kdDebug(67100) << "ViewSliders::refreshVolumeLevels()\n"; + + QWidget *mdw = _mdws.first(); + MixDevice* md; + for ( md = _mixSet->first(); md != 0; md = _mixSet->next() ) { + if ( mdw == 0 ) { + kdError(67100) << "ViewSliders::refreshVolumeLevels(): mdw == 0\n"; + break; // sanity check (normally the lists are set up correctly) + } + else { + if ( mdw->inherits("MDWSlider")) { + //kdDebug(67100) << "ViewSliders::refreshVolumeLevels(): updating\n"; + // a slider, fine. Lets update its value + static_cast<MDWSlider*>(mdw)->update(); + } + else { + kdError(67100) << "ViewSliders::refreshVolumeLevels(): mdw is not slider\n"; + // no slider. Cannot happen in theory => skip it + } + } + mdw = _mdws.next(); + } +} + + +#include "viewsliders.moc" |