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k3b/src/k3bmediaselectioncombobox.cpp

506 lines
13 KiB

/*
*
* $Id: sourceheader 380067 2005-01-19 13:03:46Z trueg $
* Copyright (C) 2005-2007 Sebastian Trueg <trueg@k3b.org>
*
* This file is part of the K3b project.
* Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* See the file "COPYING" for the exact licensing terms.
*/
#include "k3bmediaselectioncombobox.h"
#include "k3bapplication.h"
#include "k3bmediacache.h"
#include <k3bdevice.h>
#include <k3bdevicemanager.h>
#include <k3bdeviceglobals.h>
#include <k3bdiskinfo.h>
#include <k3btoc.h>
#include <k3bcdtext.h>
#include <kdebug.h>
#include <klocale.h>
#include <tqfont.h>
#include <tqmap.h>
#include <tqvaluevector.h>
#include <tqtooltip.h>
#include <tqlistbox.h>
class K3bMediaSelectionComboBox::ToolTip : public TQToolTip
{
public:
ToolTip( K3bMediaSelectionComboBox* box );
void maybeTip( const TQPoint &pos );
private:
K3bMediaSelectionComboBox* m_box;
};
K3bMediaSelectionComboBox::ToolTip::ToolTip( K3bMediaSelectionComboBox* box )
: TQToolTip( box->listBox()->viewport() ),
m_box( box )
{
}
void K3bMediaSelectionComboBox::ToolTip::maybeTip( const TQPoint& pos )
{
if( !parentWidget() || !m_box )
return;
TQListBoxItem* item = m_box->listBox()->itemAt( pos );
if( !item )
return;
int index = m_box->listBox()->index( item );
if( K3bDevice::Device* dev = m_box->deviceAt( index ) ) {
tip( m_box->listBox()->tqitemRect( item ),
m_box->mediumToolTip( k3bappcore->mediaCache()->medium( dev ) ) );
}
}
class K3bMediaSelectionComboBox::Private
{
public:
Private()
: ignoreDevice( 0 ) {
}
TQMap<K3bDevice::Device*, int> deviceIndexMap;
TQValueVector<K3bDevice::Device*> devices;
K3bDevice::Device* ignoreDevice;
// medium strings for every entry
TQMap<TQString, int> mediaStringMap;
int wantedMediumType;
int wantedMediumState;
int wantedMediumContent;
TQFont font;
};
K3bMediaSelectionComboBox::K3bMediaSelectionComboBox( TQWidget* parent )
: KComboBox( false, parent )
{
d = new Private();
// set defaults
d->wantedMediumType = K3bDevice::MEDIA_WRITABLE_CD;
d->wantedMediumState = K3bDevice::STATE_EMPTY;
d->wantedMediumContent = K3bMedium::CONTENT_ALL;
d->font = font();
connect( this, TQT_SIGNAL(activated(int)),
this, TQT_SLOT(slotActivated(int)) );
connect( k3bcore->deviceManager(), TQT_SIGNAL(changed(K3bDevice::DeviceManager*)),
this, TQT_SLOT(slotDeviceManagerChanged(K3bDevice::DeviceManager*)) );
connect( k3bappcore->mediaCache(), TQT_SIGNAL(mediumChanged(K3bDevice::Device*)),
this, TQT_SLOT(slotMediumChanged(K3bDevice::Device*)) );
connect( this, TQT_SIGNAL(selectionChanged(K3bDevice::Device*)),
this, TQT_SLOT(slotUpdateToolTip(K3bDevice::Device*)) );
updateMedia();
// initialize the tooltip for the dropdown box
(void)new ToolTip( this );
}
K3bMediaSelectionComboBox::~K3bMediaSelectionComboBox()
{
delete d;
}
void K3bMediaSelectionComboBox::setIgnoreDevice( K3bDevice::Device* dev )
{
d->ignoreDevice = dev;
updateMedia();
}
K3bDevice::Device* K3bMediaSelectionComboBox::selectedDevice() const
{
if( d->devices.count() > 0 )
return d->devices[currentItem()];
else
return 0;
}
TQValueList<K3bDevice::Device*> K3bMediaSelectionComboBox::allDevices() const
{
TQValueList<K3bDevice::Device*> l;
for( unsigned int i = 0; i < d->devices.count(); ++i )
l.append( d->devices[i] );
return l;
}
void K3bMediaSelectionComboBox::setSelectedDevice( K3bDevice::Device* dev )
{
if( dev && d->deviceIndexMap.contains( dev ) ) {
setCurrentItem( d->deviceIndexMap[dev] );
emit selectionChanged( dev );
}
}
void K3bMediaSelectionComboBox::setWantedMediumType( int type )
{
if( type != 0 && type != d->wantedMediumType) {
d->wantedMediumType = type;
updateMedia();
}
}
void K3bMediaSelectionComboBox::setWantedMediumState( int state )
{
if( state != 0 && state != d->wantedMediumState ) {
d->wantedMediumState = state;
updateMedia();
}
}
void K3bMediaSelectionComboBox::setWantedMediumContent( int content )
{
if( content != d->wantedMediumContent ) {
d->wantedMediumContent = content;
updateMedia();
}
}
int K3bMediaSelectionComboBox::wantedMediumType() const
{
return d->wantedMediumType;
}
int K3bMediaSelectionComboBox::wantedMediumState() const
{
return d->wantedMediumState;
}
int K3bMediaSelectionComboBox::wantedMediumContent() const
{
return d->wantedMediumContent;
}
void K3bMediaSelectionComboBox::slotActivated( int i )
{
if( d->devices.count() > 0 )
emit selectionChanged( d->devices[i] );
}
void K3bMediaSelectionComboBox::slotMediumChanged( K3bDevice::Device* dev )
{
updateMedium( dev );
}
void K3bMediaSelectionComboBox::clear()
{
d->deviceIndexMap.clear();
d->mediaStringMap.clear();
d->devices.clear();
KComboBox::clear();
}
void K3bMediaSelectionComboBox::showNoMediumMessage()
{
// make it italic
TQFont f( d->font );
f.setItalic( true );
setFont( f );
insertItem( noMediumMessage() );
}
void K3bMediaSelectionComboBox::updateMedia()
{
// reset font
setFont( d->font );
// remember set of devices
TQValueVector<K3bDevice::Device*> oldDevices = d->devices;
// remember last selected medium
K3bDevice::Device* selected = selectedDevice();
clear();
//
// We need to only check a selection of the available devices based on the
// wanted media type.
//
// no ROM media -> we most likely want only CD/DVD writers
bool rwOnly = !( wantedMediumType() & (K3bDevice::MEDIA_CD_ROM|K3bDevice::MEDIA_DVD_ROM) );
bool dvdOnly = !( wantedMediumType() & (K3bDevice::MEDIA_CD_ROM|K3bDevice::MEDIA_WRITABLE_CD) );
TQPtrList<K3bDevice::Device> devices = k3bcore->deviceManager()->allDevices();
if( dvdOnly ) {
if( rwOnly )
devices = k3bcore->deviceManager()->dvdWriter();
else
devices = k3bcore->deviceManager()->dvdReader();
}
else if( rwOnly )
devices = k3bcore->deviceManager()->cdWriter();
else
devices = k3bcore->deviceManager()->cdReader();
for( TQPtrListIterator<K3bDevice::Device> it( devices ); *it; ++it ) {
if ( d->ignoreDevice == *it ) {
continue;
}
K3bMedium medium = k3bappcore->mediaCache()->medium( *it );
if( showMedium( medium ) ) {
addMedium( *it );
}
}
//
// Now in case no usable medium was found show the user a little message
//
if( d->devices.isEmpty() ) {
showNoMediumMessage();
if( selected != 0 ) {
// inform that we have no medium at all
emit selectionChanged( 0 );
}
}
else if( selected && d->deviceIndexMap.contains( selected ) ) {
setCurrentItem( d->deviceIndexMap[selected] );
}
else {
emit selectionChanged( selectedDevice() );
}
// did the selection of devices change
if( !(d->devices == oldDevices) ) {
emit newMedia();
for( unsigned int i = 0; i < d->devices.count(); ++i ) {
unsigned int j = 0;
for( j = 0; j < oldDevices.count(); ++j ) {
if( oldDevices[j] == d->devices[i] )
break;
}
if( j == oldDevices.count() ) {
// prefere a newly inserted medium over the previously selected
setSelectedDevice( d->devices[i] );
emit newMedium( d->devices[i] );
}
}
}
}
void K3bMediaSelectionComboBox::updateMedium( K3bDevice::Device* )
{
// for now we simply rebuild the whole list
updateMedia();
}
void K3bMediaSelectionComboBox::addMedium( K3bDevice::Device* dev )
{
//
// In case we only want an empty medium (this might happen in case the
// the medium is rewritable) we do not care about the contents but tell
// the user that the medium is rewritable.
// Otherwise we show the contents type since this might also be used
// for source selection.
//
TQString s = mediumString( k3bappcore->mediaCache()->medium( dev ) );
//
// Now let's see if this string is already contained in the list
// and if so add the device name to both
//
if( d->mediaStringMap.contains( s ) ) {
//
// insert the modified string
//
insertItem( s + TQString(" (%1 - %2)").tqarg(dev->vendor()).tqarg(dev->description()) );
//
// change the already existing string if we did not already do so
// (which happens if more than 2 entries have the same medium string)
//
int prevIndex = d->mediaStringMap[s];
if( prevIndex >= 0 )
changeItem( text(prevIndex) + TQString(" (%1 - %2)").tqarg(d->devices[prevIndex]->vendor()).tqarg(d->devices[prevIndex]->description()),
prevIndex );
//
// mark the string as already changed
//
d->mediaStringMap[s] = -1;
}
else {
//
// insert the plain medium string
//
insertItem( s );
d->mediaStringMap[s] = count()-1;
}
//
// update the helper structures
//
d->deviceIndexMap[dev] = count()-1;
d->devices.append( dev );
}
void K3bMediaSelectionComboBox::slotDeviceManagerChanged( K3bDevice::DeviceManager* )
{
updateMedia();
}
K3bDevice::Device* K3bMediaSelectionComboBox::deviceAt( unsigned int index )
{
if( index < d->devices.count() )
return d->devices[index];
else
return 0;
}
bool K3bMediaSelectionComboBox::showMedium( const K3bMedium& m ) const
{
//
// also use if wantedMediumState empty and medium rewritable
// because we can always format/erase/overwrite it
//
// DVD+RW and DVD-RW restr. ovwr. are never reported as appendable
//
return( m.diskInfo().mediaType() & d->wantedMediumType &&
m.content() & d->wantedMediumContent &&
( m.diskInfo().diskState() & d->wantedMediumState
||
( d->wantedMediumState & K3bDevice::STATE_EMPTY &&
m.diskInfo().rewritable() )
||
( d->wantedMediumState & K3bDevice::STATE_INCOMPLETE &&
!m.diskInfo().empty() &&
m.diskInfo().mediaType() & (K3bDevice::MEDIA_DVD_PLUS_RW|K3bDevice::MEDIA_DVD_RW_OVWR) ) )
);
}
TQString K3bMediaSelectionComboBox::mediumString( const K3bMedium& medium ) const
{
return medium.shortString( d->wantedMediumState != K3bDevice::STATE_EMPTY );
}
TQString K3bMediaSelectionComboBox::mediumToolTip( const K3bMedium& m ) const
{
return m.longString();
}
TQString K3bMediaSelectionComboBox::noMediumMessage() const
{
TQString stateString;
if( d->wantedMediumContent == K3bMedium::CONTENT_ALL ) {
if( d->wantedMediumState == K3bDevice::STATE_EMPTY )
stateString = i18n("an empty %1 medium");
else if( d->wantedMediumState == K3bDevice::STATE_INCOMPLETE )
stateString = i18n("an appendable %1 medium");
else if( d->wantedMediumState == K3bDevice::STATE_COMPLETE )
stateString = i18n("a complete %1 medium");
else if( d->wantedMediumState & (K3bDevice::STATE_EMPTY|K3bDevice::STATE_INCOMPLETE) &&
!(d->wantedMediumState & K3bDevice::STATE_COMPLETE) )
stateString = i18n("an empty or appendable %1 medium");
else if( d->wantedMediumState & (K3bDevice::STATE_COMPLETE|K3bDevice::STATE_INCOMPLETE) )
stateString = i18n("a complete or appendable %1 medium");
else
stateString = i18n("a %1 medium");
}
else {
//
// we only handle the combinations that make sense here
//
if( d->wantedMediumContent & K3bMedium::CONTENT_VIDEO_CD ||
d->wantedMediumContent & K3bMedium::CONTENT_VIDEO_DVD )
stateString = i18n("a Video %1 medium");
else if( d->wantedMediumContent & K3bMedium::CONTENT_AUDIO &&
d->wantedMediumContent & K3bMedium::CONTENT_DATA )
stateString = i18n("a Mixed Mode %1 medium");
else if( d->wantedMediumContent & K3bMedium::CONTENT_AUDIO )
stateString = i18n("an Audio %1 medium");
else if( d->wantedMediumContent & K3bMedium::CONTENT_DATA )
stateString = i18n("a Data %1 medium");
else
stateString = i18n("an empty %1 medium");
}
// this is basically the same as in K3bEmptyDiskWaiter
// FIXME: include things like only rewritable dvd or cd since we will probably need that
TQString mediumString;
if( d->wantedMediumType == (K3bDevice::MEDIA_CD_ALL|K3bDevice::MEDIA_DVD_ALL) )
mediumString = i18n("CD or DVD");
else if( d->wantedMediumType == K3bDevice::MEDIA_CD_ALL )
mediumString = i18n("CD");
else if( d->wantedMediumType == K3bDevice::MEDIA_DVD_ALL )
mediumString = i18n("DVD");
else if( (d->wantedMediumType & K3bDevice::MEDIA_WRITABLE_DVD) &&
(d->wantedMediumType & K3bDevice::MEDIA_WRITABLE_CD) )
mediumString = i18n("CD-R(W) or DVD%1R(W)").tqarg("<EFBFBD>");
else if( d->wantedMediumType & K3bDevice::MEDIA_WRITABLE_DVD_SL )
mediumString = i18n("DVD%1R(W)").tqarg("<EFBFBD>");
else if( d->wantedMediumType & K3bDevice::MEDIA_WRITABLE_DVD_DL )
mediumString = i18n("Double Layer DVD%1R").tqarg("<EFBFBD>");
else if( d->wantedMediumType & K3bDevice::MEDIA_WRITABLE_CD )
mediumString = i18n("CD-R(W)");
else if( d->wantedMediumType & K3bDevice::MEDIA_DVD_ROM )
mediumString = i18n("DVD-ROM");
else
mediumString = i18n("CD-ROM");
return i18n("Please insert %1...").tqarg( stateString.tqarg( mediumString ) );
}
void K3bMediaSelectionComboBox::slotUpdateToolTip( K3bDevice::Device* dev )
{
// update the tooltip for the combobox (the tooltip for the dropdown box is created in the constructor)
TQToolTip::remove( this );
if( dev )
TQToolTip::add( this, mediumToolTip( k3bappcore->mediaCache()->medium( dev ) ) );
}
#include "k3bmediaselectioncombobox.moc"