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Diffstat (limited to 'certmanager/lib/ui/keylistview.cpp')
| -rw-r--r-- | certmanager/lib/ui/keylistview.cpp | 869 |
1 files changed, 869 insertions, 0 deletions
diff --git a/certmanager/lib/ui/keylistview.cpp b/certmanager/lib/ui/keylistview.cpp new file mode 100644 index 000000000..98534a4b7 --- /dev/null +++ b/certmanager/lib/ui/keylistview.cpp @@ -0,0 +1,869 @@ +/* + keylistview.cpp + + This file is part of libkleopatra, the KDE keymanagement library + Copyright (c) 2004 Klarälvdalens Datakonsult AB + + Libkleopatra 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. + + Libkleopatra 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 + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + + In addition, as a special exception, the copyright holders give + permission to link the code of this program with any edition of + the Qt library by Trolltech AS, Norway (or with modified versions + of Qt that use the same license as Qt), and distribute linked + combinations including the two. You must obey the GNU General + Public License in all respects for all of the code used other than + Qt. If you modify this file, you may extend this exception to + your version of the file, but you are not obligated to do so. If + you do not wish to do so, delete this exception statement from + your version. +*/ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include "keylistview.h" + +#include <kdebug.h> + +#include <qfontmetrics.h> +#include <qtooltip.h> +#include <qrect.h> +#include <qheader.h> +#include <qpoint.h> +#include <qptrlist.h> +#include <qpainter.h> +#include <qfont.h> +#include <qcolor.h> +#include <qtimer.h> +#include <qcstring.h> + +#include <gpgmepp/key.h> + +#include <vector> +#include <map> + +#include <assert.h> + +static const int updateDelayMilliSecs = 500; + +namespace { + + class ItemToolTip : public QToolTip { + public: + ItemToolTip( Kleo::KeyListView * parent ); + protected: + void maybeTip( const QPoint & p ); + private: + Kleo::KeyListView * mKeyListView; + }; + + ItemToolTip::ItemToolTip( Kleo::KeyListView * parent ) + : QToolTip( parent->viewport() ), mKeyListView( parent ) {} + + void ItemToolTip::maybeTip( const QPoint & p ) { + if ( !mKeyListView ) + return; + + const QListViewItem * item = mKeyListView->itemAt( p ); + if ( !item ) + return; + + const QRect itemRect = mKeyListView->itemRect( item ); + if ( !itemRect.isValid() ) + return; + + const int col = mKeyListView->header()->sectionAt( p.x() ); + if ( col == -1 ) + return; + + const QRect headerRect = mKeyListView->header()->sectionRect( col ); + if ( !headerRect.isValid() ) + return; + + const QRect cellRect( headerRect.left(), itemRect.top(), + headerRect.width(), itemRect.height() ); + + QString tipStr; + if ( const Kleo::KeyListViewItem * klvi = Kleo::lvi_cast<Kleo::KeyListViewItem>( item ) ) + tipStr = klvi->toolTip( col ); + else + tipStr = item->text( col ) ; + + if ( !tipStr.isEmpty() ) + tip( cellRect, tipStr ); + } + +} // anon namespace + +struct Kleo::KeyListView::Private { + Private() : updateTimer( 0 ), itemToolTip( 0 ) {} + + std::vector<GpgME::Key> keyBuffer; + QTimer * updateTimer; + QToolTip * itemToolTip; + std::map<QCString,KeyListViewItem*> itemMap; +}; + +// a list of signals where we want to replace QListViewItem with +// Kleo:KeyListViewItem: +static const struct { + const char * source; + const char * target; +} signalReplacements[] = { + { SIGNAL(doubleClicked(QListViewItem*,const QPoint&,int)), + SLOT(slotEmitDoubleClicked(QListViewItem*,const QPoint&,int)) }, + { SIGNAL(returnPressed(QListViewItem*)), + SLOT(slotEmitReturnPressed(QListViewItem*)) }, + { SIGNAL(selectionChanged(QListViewItem*)), + SLOT(slotEmitSelectionChanged(QListViewItem*)) }, + { SIGNAL(contextMenu(KListView*, QListViewItem*,const QPoint&)), + SLOT(slotEmitContextMenu(KListView*, QListViewItem*,const QPoint&)) }, +}; +static const int numSignalReplacements = sizeof signalReplacements / sizeof *signalReplacements; + + +Kleo::KeyListView::KeyListView( const ColumnStrategy * columnStrategy, const DisplayStrategy * displayStrategy, QWidget * parent, const char * name, WFlags f ) + : KListView( parent, name ), + mColumnStrategy( columnStrategy ), + mDisplayStrategy ( displayStrategy ), + mHierarchical( false ) +{ + setWFlags( f ); + + d = new Private(); + + d->updateTimer = new QTimer( this ); + connect( d->updateTimer, SIGNAL(timeout()), SLOT(slotUpdateTimeout()) ); + + if ( !columnStrategy ) { + kdWarning(5150) << "Kleo::KeyListView: need a column strategy to work with!" << endl; + return; + } + + const QFontMetrics fm = fontMetrics(); + + for ( int col = 0 ; !columnStrategy->title( col ).isEmpty() ; ++col ) { + addColumn( columnStrategy->title( col ), columnStrategy->width( col, fm ) ); + setColumnWidthMode( col, columnStrategy->widthMode( col ) ); + } + + setAllColumnsShowFocus( true ); + setShowToolTips( false ); // we do it instead... + + for ( int i = 0 ; i < numSignalReplacements ; ++i ) + connect( this, signalReplacements[i].source, signalReplacements[i].target ); + + QToolTip::remove( this ); + QToolTip::remove( viewport() ); // make double sure :) + d->itemToolTip = new ItemToolTip( this ); +} + +Kleo::KeyListView::~KeyListView() { + d->updateTimer->stop(); + // need to clear here, since in ~QListView, our children won't have + // a valid listView() pointing to us anymore, and their dtors try to + // unregister from us. + clear(); + assert( d->itemMap.size() == 0 ); + // need to delete the tooltip ourselves, as ~QToolTip isn't virtual :o + delete d->itemToolTip; d->itemToolTip = 0; + delete d; d = 0; + delete mColumnStrategy; mColumnStrategy = 0; + delete mDisplayStrategy; mDisplayStrategy = 0; +} + +void Kleo::KeyListView::insertItem( QListViewItem * qlvi ) { + //kdDebug() << "Kleo::KeyListView::insertItem( " << qlvi << " )" << endl; + KListView::insertItem( qlvi ); + if ( KeyListViewItem * item = lvi_cast<KeyListViewItem>( qlvi ) ) + registerItem( item ); +} + +void Kleo::KeyListView::takeItem( QListViewItem * qlvi ) { + //kdDebug() << "Kleo::KeyListView::takeItem( " << qlvi << " )" << endl; + if ( KeyListViewItem * item = lvi_cast<KeyListViewItem>( qlvi ) ) + deregisterItem( item ); + KListView::takeItem( qlvi ); +} + + +void Kleo::KeyListView::setHierarchical( bool hier ) { + if ( hier == mHierarchical ) + return; + mHierarchical = hier; + if ( hier ) + gatherScattered(); + else + scatterGathered( firstChild() ); +} + +void Kleo::KeyListView::slotAddKey( const GpgME::Key & key ) { + if ( key.isNull() ) + return; + + d->keyBuffer.push_back( key ); + if ( !d->updateTimer->isActive() ) + d->updateTimer->start( updateDelayMilliSecs, true /* single-shot */ ); +} + +void Kleo::KeyListView::slotUpdateTimeout() { + if ( d->keyBuffer.empty() ) + return; + + const bool wasUpdatesEnabled = viewport()->isUpdatesEnabled(); + if ( wasUpdatesEnabled ) + viewport()->setUpdatesEnabled( false ); + kdDebug( 5150 ) << "Kleo::KeyListView::slotUpdateTimeout(): processing " + << d->keyBuffer.size() << " items en block" << endl; + if ( hierarchical() ) { + for ( std::vector<GpgME::Key>::const_iterator it = d->keyBuffer.begin() ; it != d->keyBuffer.end() ; ++it ) + doHierarchicalInsert( *it ); + gatherScattered(); + } else { + for ( std::vector<GpgME::Key>::const_iterator it = d->keyBuffer.begin() ; it != d->keyBuffer.end() ; ++it ) + (void)new KeyListViewItem( this, *it ); + } + if ( wasUpdatesEnabled ) + viewport()->setUpdatesEnabled( true ); + d->keyBuffer.clear(); +} + +void Kleo::KeyListView::clear() { + d->updateTimer->stop(); + d->keyBuffer.clear(); + KListView::clear(); +} + +void Kleo::KeyListView::registerItem( KeyListViewItem * item ) { + //kdDebug() << "registerItem( " << item << " )" << endl; + if ( !item ) + return; + const QCString fpr = item->key().primaryFingerprint(); + if ( !fpr.isEmpty() ) + d->itemMap.insert( std::make_pair( fpr, item ) ); +} + +void Kleo::KeyListView::deregisterItem( const KeyListViewItem * item ) { + //kdDebug() << "deregisterItem( KeyLVI: " << item << " )" << endl; + if ( !item ) + return; + std::map<QCString,KeyListViewItem*>::iterator it + = d->itemMap.find( item->key().primaryFingerprint() ); + if ( it == d->itemMap.end() ) + return; + Q_ASSERT( it->second == item ); + if ( it->second != item ) + return; + d->itemMap.erase( it ); +} + +void Kleo::KeyListView::doHierarchicalInsert( const GpgME::Key & key ) { + const QCString fpr = key.primaryFingerprint(); + if ( fpr.isEmpty() ) + return; + KeyListViewItem * item = 0; + if ( !key.isRoot() ) + if ( KeyListViewItem * parent = itemByFingerprint( key.chainID() ) ) { + item = new KeyListViewItem( parent, key ); + parent->setOpen( true ); + } + if ( !item ) + item = new KeyListViewItem( this, key ); // top-level (for now) + + d->itemMap.insert( std::make_pair( fpr, item ) ); +} + +void Kleo::KeyListView::gatherScattered() { + KeyListViewItem * item = firstChild(); + while ( item ) { + KeyListViewItem * cur = item; + item = item->nextSibling(); + if ( cur->key().isRoot() ) + continue; + if ( KeyListViewItem * parent = itemByFingerprint( cur->key().chainID() ) ) { + // found a new parent... + // ### todo: optimize by suppressing removing/adding the item to the itemMap... + takeItem( cur ); + parent->insertItem( cur ); + parent->setOpen( true ); + } + } +} + +void Kleo::KeyListView::scatterGathered( QListViewItem * start ) { + QListViewItem * item = start; + while ( item ) { + QListViewItem * cur = item; + item = item->nextSibling(); + + scatterGathered( cur->firstChild() ); + assert( cur->childCount() == 0 ); + + // ### todo: optimize by suppressing removing/adding the item to the itemMap... + if ( cur->parent() ) + cur->parent()->takeItem( cur ); + else + takeItem( cur ); + insertItem( cur ); + } +} + +Kleo::KeyListViewItem * Kleo::KeyListView::itemByFingerprint( const QCString & s ) const { + if ( s.isEmpty() ) + return 0; + const std::map<QCString,KeyListViewItem*>::const_iterator it = d->itemMap.find( s ); + if ( it == d->itemMap.end() ) + return 0; + return it->second; +} + + +void Kleo::KeyListView::slotRefreshKey( const GpgME::Key & key ) { + const char * fpr = key.primaryFingerprint(); + if ( !fpr ) + return; + if ( KeyListViewItem * item = itemByFingerprint( fpr ) ) + item->setKey ( key ); + else + // none found -> add it + slotAddKey( key ); +} + +// slots for the emission of covariant signals: + +void Kleo::KeyListView::slotEmitDoubleClicked( QListViewItem * item, const QPoint & p, int col ) { + if ( !item || lvi_cast<KeyListViewItem>( item ) ) + emit doubleClicked( static_cast<KeyListViewItem*>( item ), p, col ); +} + +void Kleo::KeyListView::slotEmitReturnPressed( QListViewItem * item ) { + if ( !item || lvi_cast<KeyListViewItem>( item ) ) + emit returnPressed( static_cast<KeyListViewItem*>( item ) ); +} + +void Kleo::KeyListView::slotEmitSelectionChanged( QListViewItem * item ) { + if ( !item || lvi_cast<KeyListViewItem>( item ) ) + emit selectionChanged( static_cast<KeyListViewItem*>( item ) ); +} + +void Kleo::KeyListView::slotEmitContextMenu( KListView*, QListViewItem * item, const QPoint & p ) { + if ( !item || lvi_cast<KeyListViewItem>( item ) ) + emit contextMenu( static_cast<KeyListViewItem*>( item ), p ); +} + +// +// +// KeyListViewItem +// +// + +Kleo::KeyListViewItem::KeyListViewItem( KeyListView * parent, const GpgME::Key & key ) + : QListViewItem( parent ) +{ + setKey( key ); +} + +Kleo::KeyListViewItem::KeyListViewItem( KeyListView * parent, KeyListViewItem * after, const GpgME::Key & key ) + : QListViewItem( parent, after ) +{ + setKey( key ); +} + +Kleo::KeyListViewItem::KeyListViewItem( KeyListViewItem * parent, const GpgME::Key & key ) + : QListViewItem( parent ) +{ + setKey( key ); +} + +Kleo::KeyListViewItem::KeyListViewItem( KeyListViewItem * parent, KeyListViewItem * after, const GpgME::Key & key ) + : QListViewItem( parent, after ) +{ + setKey( key ); +} + +Kleo::KeyListViewItem::~KeyListViewItem() { + // delete the children first... When children are deleted in the + // QLVI dtor, they don't have listView() anymore, thus they don't + // call deregister( this ), leading to stale entries in the + // itemMap... + while ( QListViewItem * item = firstChild() ) + delete item; + // better do this here, too, since deletion is top-down and thus + // we're deleted when our parent item is no longer a + // KeyListViewItem, but a mere QListViewItem, so our takeItem() + // overload is gone by that time... + if ( KeyListView * lv = listView() ) + lv->deregisterItem( this ); +} + +void Kleo::KeyListViewItem::setKey( const GpgME::Key & key ) { + KeyListView * lv = listView(); + if ( lv ) + lv->deregisterItem( this ); + mKey = key; + if ( lv ) + lv->registerItem( this ); + + // the ColumnStrategy operations might be very slow, so cache their + // result here, where we're non-const :) + const Kleo::KeyListView::ColumnStrategy * cs = lv ? lv->columnStrategy() : 0 ; + if ( !cs ) + return; + const int numCols = lv ? lv->columns() : 0 ; + for ( int i = 0 ; i < numCols ; ++i ) { + setText( i, cs->text( key, i ) ); + if ( const QPixmap * pix = cs->pixmap( key, i ) ) + setPixmap( i, *pix ); + } + repaint(); +} + +QString Kleo::KeyListViewItem::toolTip( int col ) const { + return listView() && listView()->columnStrategy() + ? listView()->columnStrategy()->toolTip( key(), col ) + : QString::null ; +} + +int Kleo::KeyListViewItem::compare( QListViewItem * item, int col, bool ascending ) const { + if ( !item || item->rtti() != RTTI || !listView() || !listView()->columnStrategy() ) + return QListViewItem::compare( item, col, ascending ); + KeyListViewItem * that = static_cast<KeyListViewItem*>( item ); + return listView()->columnStrategy()->compare( this->key(), that->key(), col ); +} + +void Kleo::KeyListViewItem::paintCell( QPainter * p, const QColorGroup & cg, int column, int width, int alignment ) { + const KeyListView::DisplayStrategy * ds = listView() ? listView()->displayStrategy() : 0 ; + if ( !ds ) { + QListViewItem::paintCell( p, cg, column, width, alignment ); + return; + } + const QColor fg = ds->keyForeground( key(), cg.text() ); + const QColor bg = ds->keyBackground( key(), cg.base() ); + const QFont f = ds->keyFont( key(), p->font() ); + + QColorGroup _cg = cg; + p->setFont( f ); + _cg.setColor( QColorGroup::Text, fg ); + _cg.setColor( QColorGroup::Base, bg ); + + QListViewItem::paintCell( p, _cg, column, width, alignment ); +} + +void Kleo::KeyListViewItem::insertItem( QListViewItem * qlvi ) { + //kdDebug() << "Kleo::KeyListViewItem::insertItem( " << qlvi << " )" << endl; + QListViewItem::insertItem( qlvi ); + if ( KeyListViewItem * item = lvi_cast<KeyListViewItem>( qlvi ) ) + listView()->registerItem( item ); +} + +void Kleo::KeyListViewItem::takeItem( QListViewItem * qlvi ) { + //kdDebug() << "Kleo::KeyListViewItem::takeItem( " << qlvi << " )" << endl; + if ( KeyListViewItem * item = lvi_cast<KeyListViewItem>( qlvi ) ) + listView()->deregisterItem( item ); + QListViewItem::takeItem( qlvi ); +} + + +// +// +// SubkeyKeyListViewItem +// +// + +Kleo::SubkeyKeyListViewItem::SubkeyKeyListViewItem( KeyListView * parent, const GpgME::Subkey & subkey ) + : KeyListViewItem( parent, subkey.parent() ), mSubkey( subkey ) +{ + +} + +Kleo::SubkeyKeyListViewItem::SubkeyKeyListViewItem( KeyListView * parent, KeyListViewItem * after, const GpgME::Subkey & subkey ) + : KeyListViewItem( parent, after, subkey.parent() ), mSubkey( subkey ) +{ + +} + +Kleo::SubkeyKeyListViewItem::SubkeyKeyListViewItem( KeyListViewItem * parent, const GpgME::Subkey & subkey ) + : KeyListViewItem( parent, subkey.parent() ), mSubkey( subkey ) +{ + +} + +Kleo::SubkeyKeyListViewItem::SubkeyKeyListViewItem( KeyListViewItem * parent, KeyListViewItem * after, const GpgME::Subkey & subkey ) + : KeyListViewItem( parent, after, subkey.parent() ), mSubkey( subkey ) +{ + +} + +void Kleo::SubkeyKeyListViewItem::setSubkey( const GpgME::Subkey & subkey ) { + mSubkey = subkey; + setKey( subkey.parent() ); +} + +QString Kleo::SubkeyKeyListViewItem::text( int col ) const { + return listView() && listView()->columnStrategy() + ? listView()->columnStrategy()->subkeyText( subkey(), col ) + : QString::null ; +} + +QString Kleo::SubkeyKeyListViewItem::toolTip( int col ) const { + return listView() && listView()->columnStrategy() + ? listView()->columnStrategy()->subkeyToolTip( subkey(), col ) + : QString::null ; +} + +const QPixmap * Kleo::SubkeyKeyListViewItem::pixmap( int col ) const { + return listView() && listView()->columnStrategy() + ? listView()->columnStrategy()->subkeyPixmap( subkey(), col ) : 0 ; +} + +int Kleo::SubkeyKeyListViewItem::compare( QListViewItem * item, int col, bool ascending ) const { + if ( !item || item->rtti() != RTTI || !listView() || !listView()->columnStrategy() ) + return KeyListViewItem::compare( item, col, ascending ); + SubkeyKeyListViewItem * that = static_cast<SubkeyKeyListViewItem*>( item ); + return listView()->columnStrategy()->subkeyCompare( this->subkey(), that->subkey(), col ); +} + +void Kleo::SubkeyKeyListViewItem::paintCell( QPainter * p, const QColorGroup & cg, int column, int width, int alignment ) { + const KeyListView::DisplayStrategy * ds = listView() ? listView()->displayStrategy() : 0 ; + if ( !ds ) { + QListViewItem::paintCell( p, cg, column, width, alignment ); + return; + } + const QColor fg = ds->subkeyForeground( subkey(), cg.text() ); + const QColor bg = ds->subkeyBackground( subkey(), cg.base() ); + const QFont f = ds->subkeyFont( subkey(), p->font() ); + + QColorGroup _cg = cg; + p->setFont( f ); + _cg.setColor( QColorGroup::Text, fg ); + _cg.setColor( QColorGroup::Base, bg ); + + QListViewItem::paintCell( p, _cg, column, width, alignment ); +} + + +// +// +// UserIDKeyListViewItem +// +// + +Kleo::UserIDKeyListViewItem::UserIDKeyListViewItem( KeyListView * parent, const GpgME::UserID & userID ) + : KeyListViewItem( parent, userID.parent() ), mUserID( userID ) +{ + +} + +Kleo::UserIDKeyListViewItem::UserIDKeyListViewItem( KeyListView * parent, KeyListViewItem * after, const GpgME::UserID & userID ) + : KeyListViewItem( parent, after, userID.parent() ), mUserID( userID ) +{ + +} + +Kleo::UserIDKeyListViewItem::UserIDKeyListViewItem( KeyListViewItem * parent, const GpgME::UserID & userID ) + : KeyListViewItem( parent, userID.parent() ), mUserID( userID ) +{ + +} + +Kleo::UserIDKeyListViewItem::UserIDKeyListViewItem( KeyListViewItem * parent, KeyListViewItem * after, const GpgME::UserID & userID ) + : KeyListViewItem( parent, after, userID.parent() ), mUserID( userID ) +{ + +} + +void Kleo::UserIDKeyListViewItem::setUserID( const GpgME::UserID & userID ) { + mUserID = userID; + setKey( userID.parent() ); +} + +QString Kleo::UserIDKeyListViewItem::text( int col ) const { + return listView() && listView()->columnStrategy() + ? listView()->columnStrategy()->userIDText( userID(), col ) + : QString::null ; +} + +QString Kleo::UserIDKeyListViewItem::toolTip( int col ) const { + return listView() && listView()->columnStrategy() + ? listView()->columnStrategy()->userIDToolTip( userID(), col ) + : QString::null ; +} + +const QPixmap * Kleo::UserIDKeyListViewItem::pixmap( int col ) const { + return listView() && listView()->columnStrategy() + ? listView()->columnStrategy()->userIDPixmap( userID(), col ) : 0 ; +} + +int Kleo::UserIDKeyListViewItem::compare( QListViewItem * item, int col, bool ascending ) const { + if ( !item || item->rtti() != RTTI || !listView() || !listView()->columnStrategy() ) + return KeyListViewItem::compare( item, col, ascending ); + UserIDKeyListViewItem * that = static_cast<UserIDKeyListViewItem*>( item ); + return listView()->columnStrategy()->userIDCompare( this->userID(), that->userID(), col ); +} + + +void Kleo::UserIDKeyListViewItem::paintCell( QPainter * p, const QColorGroup & cg, int column, int width, int alignment ) { + const KeyListView::DisplayStrategy * ds = listView() ? listView()->displayStrategy() : 0 ; + if ( !ds ) { + QListViewItem::paintCell( p, cg, column, width, alignment ); + return; + } + const QColor fg = ds->useridForeground( userID(), cg.text() ); + const QColor bg = ds->useridBackground( userID(), cg.base() ); + const QFont f = ds->useridFont( userID(), p->font() ); + + QColorGroup _cg = cg; + p->setFont( f ); + _cg.setColor( QColorGroup::Text, fg ); + _cg.setColor( QColorGroup::Base, bg ); + + QListViewItem::paintCell( p, _cg, column, width, alignment ); +} + + +// +// +// SignatureKeyListViewItem +// +// + +Kleo::SignatureKeyListViewItem::SignatureKeyListViewItem( KeyListView * parent, const GpgME::UserID::Signature & signature ) + : KeyListViewItem( parent, signature.parent().parent() ), mSignature( signature ) +{ + +} + +Kleo::SignatureKeyListViewItem::SignatureKeyListViewItem( KeyListView * parent, KeyListViewItem * after, const GpgME::UserID::Signature & signature ) + : KeyListViewItem( parent, after, signature.parent().parent() ), mSignature( signature ) +{ + +} + +Kleo::SignatureKeyListViewItem::SignatureKeyListViewItem( KeyListViewItem * parent, const GpgME::UserID::Signature & signature ) + : KeyListViewItem( parent, signature.parent().parent() ), mSignature( signature ) +{ + +} + +Kleo::SignatureKeyListViewItem::SignatureKeyListViewItem( KeyListViewItem * parent, KeyListViewItem * after, const GpgME::UserID::Signature & signature ) + : KeyListViewItem( parent, after, signature.parent().parent() ), mSignature( signature ) +{ + +} + +void Kleo::SignatureKeyListViewItem::setSignature( const GpgME::UserID::Signature & signature ) { + mSignature = signature; + setKey( signature.parent().parent() ); +} + +QString Kleo::SignatureKeyListViewItem::text( int col ) const { + return listView() && listView()->columnStrategy() + ? listView()->columnStrategy()->signatureText( signature(), col ) + : QString::null ; +} + +QString Kleo::SignatureKeyListViewItem::toolTip( int col ) const { + return listView() && listView()->columnStrategy() + ? listView()->columnStrategy()->signatureToolTip( signature(), col ) + : QString::null ; +} + +const QPixmap * Kleo::SignatureKeyListViewItem::pixmap( int col ) const { + return listView() && listView()->columnStrategy() + ? listView()->columnStrategy()->signaturePixmap( signature(), col ) : 0 ; +} + +int Kleo::SignatureKeyListViewItem::compare( QListViewItem * item, int col, bool ascending ) const { + if ( !item || item->rtti() != RTTI || !listView() || !listView()->columnStrategy() ) + return KeyListViewItem::compare( item, col, ascending ); + SignatureKeyListViewItem * that = static_cast<SignatureKeyListViewItem*>( item ); + return listView()->columnStrategy()->signatureCompare( this->signature(), that->signature(), col ); +} + +void Kleo::SignatureKeyListViewItem::paintCell( QPainter * p, const QColorGroup & cg, int column, int width, int alignment ) { + const KeyListView::DisplayStrategy * ds = listView() ? listView()->displayStrategy() : 0 ; + if ( !ds ) { + QListViewItem::paintCell( p, cg, column, width, alignment ); + return; + } + const QColor fg = ds->signatureForeground( signature(), cg.text() ); + const QColor bg = ds->signatureBackground( signature(), cg.base() ); + const QFont f = ds->signatureFont( signature(), p->font() ); + + QColorGroup _cg = cg; + p->setFont( f ); + _cg.setColor( QColorGroup::Text, fg ); + _cg.setColor( QColorGroup::Base, bg ); + + QListViewItem::paintCell( p, _cg, column, width, alignment ); +} + + +// +// +// ColumnStrategy +// +// + +Kleo::KeyListView::ColumnStrategy::~ColumnStrategy() {} + +int Kleo::KeyListView::ColumnStrategy::compare( const GpgME::Key & key1, const GpgME::Key & key2, int col ) const { + return QString::localeAwareCompare( text( key1, col ), text( key2, col ) ); +} + +int Kleo::KeyListView::ColumnStrategy::width( int col, const QFontMetrics & fm ) const { + return fm.width( title( col ) ) * 2; +} + +int Kleo::KeyListView::ColumnStrategy::subkeyCompare( const GpgME::Subkey & sub1, const GpgME::Subkey & sub2, int col ) const { + return QString::localeAwareCompare( subkeyText( sub1, col ), subkeyText( sub2, col ) ); +} + +int Kleo::KeyListView::ColumnStrategy::userIDCompare( const GpgME::UserID & uid1, const GpgME::UserID & uid2, int col ) const { + return QString::localeAwareCompare( userIDText( uid1, col ), userIDText( uid2, col ) ); +} + +int Kleo::KeyListView::ColumnStrategy::signatureCompare( const GpgME::UserID::Signature & sig1, const GpgME::UserID::Signature & sig2, int col ) const { + return QString::localeAwareCompare( signatureText( sig1, col ), signatureText( sig2, col ) ); +} + +QString Kleo::KeyListView::ColumnStrategy::toolTip( const GpgME::Key & key, int col ) const { + return text( key, col ); +} + +QString Kleo::KeyListView::ColumnStrategy::subkeyToolTip( const GpgME::Subkey & sub, int col ) const { + return subkeyText( sub, col ); +} + +QString Kleo::KeyListView::ColumnStrategy::userIDToolTip( const GpgME::UserID & uid, int col ) const { + return userIDText( uid, col ); +} + +QString Kleo::KeyListView::ColumnStrategy::signatureToolTip( const GpgME::UserID::Signature & sig, int col ) const { + return signatureText( sig, col ); +} + +// +// +// DisplayStrategy +// +// + +Kleo::KeyListView::DisplayStrategy::~DisplayStrategy() {} + + +//font +QFont Kleo::KeyListView::DisplayStrategy::keyFont( const GpgME::Key &, const QFont & font ) const { + return font; +} + +QFont Kleo::KeyListView::DisplayStrategy::subkeyFont( const GpgME::Subkey &, const QFont & font ) const { + return font; +} + +QFont Kleo::KeyListView::DisplayStrategy::useridFont( const GpgME::UserID &, const QFont & font ) const { + return font; +} + +QFont Kleo::KeyListView::DisplayStrategy::signatureFont( const GpgME::UserID::Signature &, const QFont & font ) const { + return font; +} + +//foreground +QColor Kleo::KeyListView::DisplayStrategy::keyForeground( const GpgME::Key &, const QColor & fg )const { + return fg; +} + +QColor Kleo::KeyListView::DisplayStrategy::subkeyForeground( const GpgME::Subkey &, const QColor & fg ) const { + return fg; +} + +QColor Kleo::KeyListView::DisplayStrategy::useridForeground( const GpgME::UserID &, const QColor & fg ) const { + return fg; +} + +QColor Kleo::KeyListView::DisplayStrategy::signatureForeground( const GpgME::UserID::Signature &, const QColor & fg ) const { + return fg; +} + +//background +QColor Kleo::KeyListView::DisplayStrategy::keyBackground( const GpgME::Key &, const QColor & bg )const { + return bg; +} + +QColor Kleo::KeyListView::DisplayStrategy::subkeyBackground( const GpgME::Subkey &, const QColor & bg ) const { + return bg; +} + +QColor Kleo::KeyListView::DisplayStrategy::useridBackground( const GpgME::UserID &, const QColor & bg ) const { + return bg; +} + +QColor Kleo::KeyListView::DisplayStrategy::signatureBackground( const GpgME::UserID::Signature &, const QColor & bg ) const { + return bg; +} + + +// +// +// Collection of covariant return reimplementations of QListView(Item) +// members: +// +// + +Kleo::KeyListView * Kleo::KeyListViewItem::listView() const { + return static_cast<Kleo::KeyListView*>( QListViewItem::listView() ); +} + +Kleo::KeyListViewItem * Kleo::KeyListViewItem::nextSibling() const { + return static_cast<Kleo::KeyListViewItem*>( QListViewItem::nextSibling() ); +} + +Kleo::KeyListViewItem * Kleo::KeyListView::firstChild() const { + return static_cast<Kleo::KeyListViewItem*>( KListView::firstChild() ); +} + +Kleo::KeyListViewItem * Kleo::KeyListView::selectedItem() const { + return static_cast<Kleo::KeyListViewItem*>( KListView::selectedItem() ); +} + +static void selectedItems( QPtrList<Kleo::KeyListViewItem> & result, QListViewItem * start ) { + for ( QListViewItem * item = start ; item ; item = item->nextSibling() ) { + if ( item->isSelected() ) + if ( Kleo::KeyListViewItem * i = Kleo::lvi_cast<Kleo::KeyListViewItem>( item ) ) + result.append( i ); + selectedItems( result, item->firstChild() ); + } +} + +QPtrList<Kleo::KeyListViewItem> Kleo::KeyListView::selectedItems() const { + QPtrList<KeyListViewItem> result; + ::selectedItems( result, firstChild() ); + return result; +} + +static bool hasSelection( QListViewItem * start ) { + for ( QListViewItem * item = start ; item ; item = item->nextSibling() ) + if ( item->isSelected() || hasSelection( item->firstChild() ) ) + return true; + return false; +} + +bool Kleo::KeyListView::hasSelection() const { + return ::hasSelection( firstChild() ); +} + +#include "keylistview.moc" |