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Diffstat (limited to 'kmix/viewbase.cpp')
| -rw-r--r-- | kmix/viewbase.cpp | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/kmix/viewbase.cpp b/kmix/viewbase.cpp new file mode 100644 index 00000000..af4a9aa5 --- /dev/null +++ b/kmix/viewbase.cpp @@ -0,0 +1,187 @@ +/* + * 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 "viewbase.h" + +// QT +#include <qlabel.h> +#include <qcursor.h> + +// KDE +#include <kaction.h> +#include <kpopupmenu.h> +#include <klocale.h> +#include <kiconloader.h> + +// KMix +#include "dialogviewconfiguration.h" +#include "mixdevicewidget.h" +#include "mixer.h" + + +ViewBase::ViewBase(QWidget* parent, const char* name, const QString & caption, Mixer* mixer, WFlags f, ViewBase::ViewFlags vflags) + : QWidget(parent, name, f), _vflags(vflags), _caption(caption) +{ + _mixer = mixer; + _mixSet = new MixSet(); + + /* Can't use the following construct: + setMixSet( & mixer->getMixSet()); + C++ does not use overloaded methods like getMixSet() as long as the constructor has not completed :-((( + */ + _actions = new KActionCollection( this ); + + // Plug in the "showMenubar" action, if the caller wants it. Typically this is only neccesary for views in the KMix main window. + if ( vflags & ViewBase::HasMenuBar ) { + KToggleAction *m = static_cast<KToggleAction*>(KStdAction::showMenubar( this, SLOT(toggleMenuBarSlot()), _actions )); + if ( vflags & ViewBase::MenuBarVisible ) { + m->setChecked(true); + } + else { + m->setChecked(false); + } + } + new KAction(i18n("&Channels"), 0, this, SLOT(configureView()), _actions, "toggle_channels"); + connect ( _mixer, SIGNAL(newVolumeLevels()), this, SLOT(refreshVolumeLevels()) ); +} + +ViewBase::~ViewBase() { + delete _mixSet; +} + +void ViewBase::init() { + const MixSet& mixset = _mixer->getMixSet(); + setMixSet( const_cast<MixSet*>(&mixset)); // const_cast<> +} + +void ViewBase::setMixSet(MixSet *) +{ + // do nothing. Subclasses can do something if they feel like it +} + +/** + * Dummy implementation for add(). + */ +QWidget* ViewBase::add(MixDevice* mdw) { + QWidget* label = new QLabel( mdw->name(), this, mdw->name().latin1()); + label->move(0, mdw->num()*12); + return label; +} + +void ViewBase::configurationUpdate() { +} + +/** + * Create all widgets. + * This is a loop over all supported devices of the corresponding view. + * On each device add() is called - the derived class must implement add() for creating and placing + * the real MixDeviceWidget. + * The added MixDeviceWidget is appended to the _mdws list. + */ +void ViewBase::createDeviceWidgets() +{ + // create devices + MixDevice *mixDevice; + for ( mixDevice = _mixSet->first(); mixDevice != 0; mixDevice = _mixSet->next()) + { + QWidget* mdw = add(mixDevice); + _mdws.append(mdw); + } + // allow view to "polish" itself + constructionFinished(); +} + +// ---------- Popup stuff START --------------------- +void ViewBase::mousePressEvent( QMouseEvent *e ) +{ + if ( e->button()==RightButton ) + showContextMenu(); +} + +/** + * Return a popup menu. This contains basic entries. + * More can be added by the caller. + */ +KPopupMenu* ViewBase::getPopup() +{ + popupReset(); + return _popMenu; +} + +void ViewBase::popupReset() +{ + KAction *a; + + _popMenu = new KPopupMenu( this ); + _popMenu->insertTitle( SmallIcon( "kmix" ), i18n("Device Settings") ); + + a = _actions->action( "toggle_channels" ); + if ( a ) a->plug( _popMenu ); + + a = _actions->action( "options_show_menubar" ); + if ( a ) a->plug( _popMenu ); +} + + +/** + This will only get executed, when the user has removed all items from the view. + Don't remove this method, because then the user cannot get a menu for getting his + channels back +*/ +void ViewBase::showContextMenu() +{ + //kdDebug(67100) << "ViewBase::showContextMenu()" << endl; + popupReset(); + + QPoint pos = QCursor::pos(); + _popMenu->popup( pos ); +} + + +void ViewBase::refreshVolumeLevels() +{ + // is virtual +} + +Mixer* ViewBase::getMixer() { + return _mixer; +} + +/** + * Open the View configuration dialog. The user can select which channels he wants + * to see and which not. + */ +void ViewBase::configureView() { + + DialogViewConfiguration* dvc = new DialogViewConfiguration(0, *this); + dvc->show(); + // !! The dialog is modal. Does it delete itself? +} + +void ViewBase::toggleMenuBarSlot() { + //kdDebug(67100) << "ViewBase::toggleMenuBarSlot() start\n"; + emit toggleMenuBar(); + //kdDebug(67100) << "ViewBase::toggleMenuBarSlot() done\n"; +} + +// ---------- Popup stuff END --------------------- + +#include "viewbase.moc" |