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188 lines
5.0 KiB
188 lines
5.0 KiB
/*
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* KMix -- KDE's full featured mini mixer
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*
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*
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* Copyright (C) 1996-2004 Christian Esken <esken@kde.org>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "viewbase.h"
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// QT
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#include <tqlabel.h>
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#include <tqcursor.h>
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// KDE
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#include <kaction.h>
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#include <kpopupmenu.h>
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#include <klocale.h>
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#include <kiconloader.h>
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// KMix
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#include "dialogviewconfiguration.h"
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#include "mixdevicewidget.h"
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#include "mixer.h"
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ViewBase::ViewBase(TQWidget* parent, const char* name, const TQString & caption, Mixer* mixer, WFlags f, ViewBase::ViewFlags vflags)
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: TQWidget(parent, name, f), _vflags(vflags), _caption(caption)
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{
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_mixer = mixer;
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_mixSet = new MixSet();
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/* Can't use the following construct:
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setMixSet( & mixer->getMixSet());
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C++ does not use overloaded methods like getMixSet() as long as the constructor has not completed :-(((
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*/
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_actions = new KActionCollection( this );
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// Plug in the "showMenubar" action, if the caller wants it. Typically this is only neccesary for views in the KMix main window.
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if ( vflags & ViewBase::HasMenuBar ) {
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KToggleAction *m = static_cast<KToggleAction*>(KStdAction::showMenubar( this, TQT_SLOT(toggleMenuBarSlot()), _actions ));
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if ( vflags & ViewBase::MenuBarVisible ) {
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m->setChecked(true);
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}
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else {
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m->setChecked(false);
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}
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}
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new KAction(i18n("&Channels"), 0, this, TQT_SLOT(configureView()), _actions, "toggle_channels");
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connect ( _mixer, TQT_SIGNAL(newVolumeLevels()), this, TQT_SLOT(refreshVolumeLevels()) );
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}
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ViewBase::~ViewBase() {
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delete _mixSet;
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}
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void ViewBase::init() {
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const MixSet& mixset = _mixer->getMixSet();
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setMixSet( const_cast<MixSet*>(&mixset)); // const_cast<>
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}
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void ViewBase::setMixSet(MixSet *)
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{
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// do nothing. Subclasses can do something if they feel like it
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}
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/**
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* Dummy implementation for add().
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*/
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TQWidget* ViewBase::add(MixDevice* mdw) {
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TQWidget* label = new TQLabel( mdw->name(), this, mdw->name().latin1());
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label->move(0, mdw->num()*12);
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return label;
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}
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void ViewBase::configurationUpdate() {
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}
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/**
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* Create all widgets.
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* This is a loop over all supported devices of the corresponding view.
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* On each device add() is called - the derived class must implement add() for creating and placing
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* the real MixDeviceWidget.
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* The added MixDeviceWidget is appended to the _mdws list.
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*/
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void ViewBase::createDeviceWidgets()
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{
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// create devices
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MixDevice *mixDevice;
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for ( mixDevice = _mixSet->first(); mixDevice != 0; mixDevice = _mixSet->next())
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{
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TQWidget* mdw = add(mixDevice);
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_mdws.append(mdw);
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}
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// allow view to "polish" itself
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constructionFinished();
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}
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// ---------- Popup stuff START ---------------------
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void ViewBase::mousePressEvent( TQMouseEvent *e )
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{
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if ( e->button()==RightButton )
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showContextMenu();
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}
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/**
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* Return a popup menu. This contains basic entries.
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* More can be added by the caller.
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*/
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KPopupMenu* ViewBase::getPopup()
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{
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popupReset();
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return _popMenu;
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}
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void ViewBase::popupReset()
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{
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KAction *a;
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_popMenu = new KPopupMenu( this );
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_popMenu->insertTitle( SmallIcon( "kmix" ), i18n("Device Settings") );
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a = _actions->action( "toggle_channels" );
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if ( a ) a->plug( _popMenu );
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a = _actions->action( "options_show_menubar" );
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if ( a ) a->plug( _popMenu );
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}
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/**
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This will only get executed, when the user has removed all items from the view.
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Don't remove this method, because then the user cannot get a menu for getting his
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channels back
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*/
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void ViewBase::showContextMenu()
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{
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//kdDebug(67100) << "ViewBase::showContextMenu()" << endl;
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popupReset();
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TQPoint pos = TQCursor::pos();
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_popMenu->popup( pos );
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}
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void ViewBase::refreshVolumeLevels()
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{
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// is virtual
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}
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Mixer* ViewBase::getMixer() {
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return _mixer;
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}
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/**
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* Open the View configuration dialog. The user can select which channels he wants
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* to see and which not.
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*/
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void ViewBase::configureView() {
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DialogViewConfiguration* dvc = new DialogViewConfiguration(0, *this);
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dvc->show();
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// !! The dialog is modal. Does it delete itself?
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}
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void ViewBase::toggleMenuBarSlot() {
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//kdDebug(67100) << "ViewBase::toggleMenuBarSlot() start\n";
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emit toggleMenuBar();
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//kdDebug(67100) << "ViewBase::toggleMenuBarSlot() done\n";
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}
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// ---------- Popup stuff END ---------------------
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#include "viewbase.moc"
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