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tdepim/certmanager/lib/ui/keyselectiondialog.cpp

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/* -*- c++ -*-
keyselectiondialog.cpp
This file is part of libkleopatra, the KDE keymanagement library
Copyright (c) 2004 Klarävdalens Datakonsult AB
Based on kpgpui.cpp
Copyright (C) 2001,2002 the KPGP authors
See file libkdenetwork/AUTHORS.kpgp for details
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 "keyselectiondialog.h"
#include "keylistview.h"
#include "progressdialog.h"
#include <kleo/dn.h>
#include <kleo/keylistjob.h>
#include <kleo/cryptobackendfactory.h>
// gpgme++
#include <gpgmepp/key.h>
#include <gpgmepp/keylistresult.h>
// KDE
#include <klocale.h>
#include <kapplication.h>
#include <kglobal.h>
#include <kiconloader.h>
#include <kdebug.h>
#include <kwin.h>
#include <kconfig.h>
#include <kmessagebox.h>
#include <kprocess.h>
// Qt
#include <qcheckbox.h>
#include <qtoolbutton.h>
#include <qlabel.h>
#include <qpixmap.h>
#include <qtimer.h>
#include <qlayout.h>
#include <qlineedit.h>
#include <qwhatsthis.h>
#include <qpopupmenu.h>
#include <qregexp.h>
#include <qpushbutton.h>
#include <algorithm>
#include <iterator>
#include <string.h>
#include <assert.h>
static bool checkKeyUsage( const GpgME::Key & key, unsigned int keyUsage ) {
if ( keyUsage & Kleo::KeySelectionDialog::ValidKeys ) {
if ( key.isInvalid() )
kdDebug() << "key is invalid - ignoring" << endl;
if ( key.isExpired() ) {
kdDebug() << "key is expired" << endl;
return false;
} else if ( key.isRevoked() ) {
kdDebug() << "key is revoked" << endl;
return false;
} else if ( key.isDisabled() ) {
kdDebug() << "key is disabled" << endl;
return false;
}
}
if ( keyUsage & Kleo::KeySelectionDialog::EncryptionKeys &&
!key.canEncrypt() ) {
kdDebug() << "key can't encrypt" << endl;
return false;
}
if ( keyUsage & Kleo::KeySelectionDialog::SigningKeys &&
!key.canSign() ) {
kdDebug() << "key can't sign" << endl;
return false;
}
if ( keyUsage & Kleo::KeySelectionDialog::CertificationKeys &&
!key.canCertify() ) {
kdDebug() << "key can't certify" << endl;
return false;
}
if ( keyUsage & Kleo::KeySelectionDialog::AuthenticationKeys &&
!key.canAuthenticate() ) {
kdDebug() << "key can't authenticate" << endl;
return false;
}
if ( keyUsage & Kleo::KeySelectionDialog::SecretKeys &&
!( keyUsage & Kleo::KeySelectionDialog::PublicKeys ) &&
!key.isSecret() ) {
kdDebug() << "key isn't secret" << endl;
return false;
}
if ( keyUsage & Kleo::KeySelectionDialog::TrustedKeys &&
key.protocol() == GpgME::Context::OpenPGP &&
// only check this for secret keys for now.
// Seems validity isn't checked for secret keylistings...
!key.isSecret() ) {
std::vector<GpgME::UserID> uids = key.userIDs();
for ( std::vector<GpgME::UserID>::const_iterator it = uids.begin() ; it != uids.end() ; ++it )
if ( !it->isRevoked() && it->validity() >= GpgME::UserID::Marginal )
return true;
kdDebug() << "key has no UIDs with validity >= Marginal" << endl;
return false;
}
// X.509 keys are always trusted, else they won't be the keybox.
// PENDING(marc) check that this ^ is correct
return true;
}
static bool checkKeyUsage( const std::vector<GpgME::Key> & keys, unsigned int keyUsage ) {
for ( std::vector<GpgME::Key>::const_iterator it = keys.begin() ; it != keys.end() ; ++it )
if ( !checkKeyUsage( *it, keyUsage ) )
return false;
return true;
}
static inline QString time_t2string( time_t t ) {
QDateTime dt;
dt.setTime_t( t );
return dt.toString();
}
namespace {
class ColumnStrategy : public Kleo::KeyListView::ColumnStrategy {
public:
ColumnStrategy( unsigned int keyUsage );
QString title( int col ) const;
int width( int col, const QFontMetrics & fm ) const;
QString text( const GpgME::Key & key, int col ) const;
QString toolTip( const GpgME::Key & key, int col ) const;
const QPixmap * pixmap( const GpgME::Key & key, int col ) const;
private:
const QPixmap mKeyGoodPix, mKeyBadPix, mKeyUnknownPix, mKeyValidPix;
const unsigned int mKeyUsage;
};
ColumnStrategy::ColumnStrategy( unsigned int keyUsage )
: Kleo::KeyListView::ColumnStrategy(),
mKeyGoodPix( UserIcon( "key_ok" ) ),
mKeyBadPix( UserIcon( "key_bad" ) ),
mKeyUnknownPix( UserIcon( "key_unknown" ) ),
mKeyValidPix( UserIcon( "key" ) ),
mKeyUsage( keyUsage )
{
kdWarning( keyUsage == 0, 5150 )
<< "KeySelectionDialog: keyUsage == 0. You want to use AllKeys instead." << endl;
}
QString ColumnStrategy::title( int col ) const {
switch ( col ) {
case 0: return i18n("Key ID");
case 1: return i18n("User ID");
default: return QString::null;
}
}
int ColumnStrategy::width( int col, const QFontMetrics & fm ) const {
if ( col == 0 ) {
static const char hexchars[] = "0123456789ABCDEF";
int maxWidth = 0;
for ( unsigned int i = 0 ; i < 16 ; ++i )
maxWidth = kMax( fm.width( QChar( hexchars[i] ) ), maxWidth );
return 8 * maxWidth + 2 * mKeyGoodPix.width();
}
return Kleo::KeyListView::ColumnStrategy::width( col, fm );
}
QString ColumnStrategy::text( const GpgME::Key & key, int col ) const {
switch ( col ) {
case 0:
{
if ( key.shortKeyID() )
return QString::fromUtf8( key.shortKeyID() );
else
return i18n("<unknown>");
}
break;
case 1:
{
const char * uid = key.userID(0).id();
if ( key.protocol() == GpgME::Context::OpenPGP )
return uid && *uid ? QString::fromUtf8( uid ) : QString::null ;
else // CMS
return Kleo::DN( uid ).prettyDN();
}
break;
default: return QString::null;
}
}
QString ColumnStrategy::toolTip( const GpgME::Key & key, int ) const {
const char * uid = key.userID(0).id();
const char * fpr = key.primaryFingerprint();
const char * issuer = key.issuerName();
const GpgME::Subkey subkey = key.subkey(0);
const QString expiry = subkey.neverExpires() ? i18n("never") : time_t2string( subkey.expirationTime() ) ;
const QString creation = time_t2string( subkey.creationTime() );
if ( key.protocol() == GpgME::Context::OpenPGP )
return i18n( "OpenPGP key for %1\n"
"Created: %2\n"
"Expiry: %3\n"
"Fingerprint: %4" )
.arg( uid ? QString::fromUtf8( uid ) : i18n("unknown"),
creation, expiry,
fpr ? QString::fromLatin1( fpr ) : i18n("unknown") );
else
return i18n( "S/MIME key for %1\n"
"Created: %2\n"
"Expiry: %3\n"
"Fingerprint: %4\n"
"Issuer: %5" )
.arg( uid ? Kleo::DN( uid ).prettyDN() : i18n("unknown"),
creation, expiry,
fpr ? QString::fromLatin1( fpr ) : i18n("unknown") )
.arg( issuer ? Kleo::DN( issuer ).prettyDN() : i18n("unknown") );
}
const QPixmap * ColumnStrategy::pixmap( const GpgME::Key & key, int col ) const {
if ( col != 0 )
return 0;
// this key did not undergo a validating keylisting yet:
if ( !( key.keyListMode() & GpgME::Context::Validate ) )
return &mKeyUnknownPix;
if ( !checkKeyUsage( key, mKeyUsage ) )
return &mKeyBadPix;
if ( key.protocol() == GpgME::Context::CMS )
return &mKeyGoodPix;
switch ( key.userID(0).validity() ) {
default:
case GpgME::UserID::Unknown:
case GpgME::UserID::Undefined:
return &mKeyUnknownPix;
case GpgME::UserID::Never:
return &mKeyValidPix;
case GpgME::UserID::Marginal:
case GpgME::UserID::Full:
case GpgME::UserID::Ultimate:
return &mKeyGoodPix;
}
}
}
static const int sCheckSelectionDelay = 250;
Kleo::KeySelectionDialog::KeySelectionDialog( const QString & title,
const QString & text,
const std::vector<GpgME::Key> & selectedKeys,
unsigned int keyUsage,
bool extendedSelection,
bool rememberChoice,
QWidget * parent, const char * name,
bool modal )
: KDialogBase( parent, name, modal, title, Default|Ok|Cancel|Help, Ok ),
mOpenPGPBackend( 0 ),
mSMIMEBackend( 0 ),
mRememberCB( 0 ),
mSelectedKeys( selectedKeys ),
mKeyUsage( keyUsage ),
mCurrentContextMenuItem( 0 )
{
init( rememberChoice, extendedSelection, text, QString::null );
}
Kleo::KeySelectionDialog::KeySelectionDialog( const QString & title,
const QString & text,
const QString & initialQuery,
unsigned int keyUsage,
bool extendedSelection,
bool rememberChoice,
QWidget * parent, const char * name,
bool modal )
: KDialogBase( parent, name, modal, title, Default|Ok|Cancel|Help, Ok ),
mOpenPGPBackend( 0 ),
mSMIMEBackend( 0 ),
mRememberCB( 0 ),
mKeyUsage( keyUsage ),
mSearchText( initialQuery ),
mCurrentContextMenuItem( 0 )
{
init( rememberChoice, extendedSelection, text, initialQuery );
}
void Kleo::KeySelectionDialog::init( bool rememberChoice, bool extendedSelection,
const QString & text, const QString & initialQuery ) {
if ( mKeyUsage & OpenPGPKeys )
mOpenPGPBackend = Kleo::CryptoBackendFactory::instance()->openpgp();
if ( mKeyUsage & SMIMEKeys )
mSMIMEBackend = Kleo::CryptoBackendFactory::instance()->smime();
mCheckSelectionTimer = new QTimer( this );
mStartSearchTimer = new QTimer( this );
QFrame *page = makeMainWidget();
mTopLayout = new QVBoxLayout( page, 0, spacingHint() );
if ( !text.isEmpty() ) {
QLabel* textLabel = new QLabel( text, page );
textLabel->setAlignment( textLabel->alignment() | Qt::WordBreak );
mTopLayout->addWidget( textLabel );
}
QHBoxLayout * hlay = new QHBoxLayout( mTopLayout ); // inherits spacing
QLineEdit * le = new QLineEdit( page );
le->setText( initialQuery );
QToolButton *clearButton = new QToolButton( page );
clearButton->setIconSet( KGlobal::iconLoader()->loadIconSet(
KApplication::reverseLayout() ? "clear_left":"locationbar_erase", KIcon::Small, 0 ) );
hlay->addWidget( clearButton );
hlay->addWidget( new QLabel( le, i18n("&Search for:"), page ) );
hlay->addWidget( le, 1 );
le->setFocus();
connect( clearButton, SIGNAL( clicked() ), le, SLOT( clear() ) );
connect( le, SIGNAL(textChanged(const QString&)),
this, SLOT(slotSearch(const QString&)) );
connect( mStartSearchTimer, SIGNAL(timeout()), SLOT(slotFilter()) );
mKeyListView = new KeyListView( new ColumnStrategy( mKeyUsage ), 0, page, "mKeyListView" );
mKeyListView->setResizeMode( QListView::LastColumn );
mKeyListView->setRootIsDecorated( true );
mKeyListView->setShowSortIndicator( true );
mKeyListView->setSorting( 1, true ); // sort by User ID
mKeyListView->setShowToolTips( true );
if ( extendedSelection )
mKeyListView->setSelectionMode( QListView::Extended );
mTopLayout->addWidget( mKeyListView, 10 );
if ( rememberChoice ) {
mRememberCB = new QCheckBox( i18n("&Remember choice"), page );
mTopLayout->addWidget( mRememberCB );
QWhatsThis::add( mRememberCB,
i18n("<qt><p>If you check this box your choice will "
"be stored and you will not be asked again."
"</p></qt>") );
}
connect( mCheckSelectionTimer, SIGNAL(timeout()),
SLOT(slotCheckSelection()) );
connectSignals();
connect( mKeyListView,
SIGNAL(doubleClicked(Kleo::KeyListViewItem*,const QPoint&,int)),
SLOT(slotTryOk()) );
connect( mKeyListView,
SIGNAL(contextMenu(Kleo::KeyListViewItem*,const QPoint&)),
SLOT(slotRMB(Kleo::KeyListViewItem*,const QPoint&)) );
setButtonText( KDialogBase::Default, i18n("&Reread Keys") );
setButtonGuiItem( KDialogBase::Help, i18n("&Start Certificate Manager") );
connect( this, SIGNAL(defaultClicked()), this, SLOT(slotRereadKeys()) );
connect( this, SIGNAL(helpClicked()), this, SLOT(slotStartCertificateManager()) );
slotRereadKeys();
mTopLayout->activate();
if ( kapp ) {
KWin::setIcons( winId(), kapp->icon(), kapp->miniIcon() );
QSize dialogSize( 500, 400 );
KConfigGroup dialogConfig( KGlobal::config(), "Key Selection Dialog" );
dialogSize = dialogConfig.readSizeEntry( "Dialog size", &dialogSize );
resize( dialogSize );
}
}
Kleo::KeySelectionDialog::~KeySelectionDialog() {
KConfigGroup dialogConfig( KGlobal::config(), "Key Selection Dialog" );
dialogConfig.writeEntry( "Dialog size", size() );
dialogConfig.sync();
}
void Kleo::KeySelectionDialog::connectSignals() {
if ( mKeyListView->isMultiSelection() )
connect( mKeyListView, SIGNAL(selectionChanged()),
SLOT(slotSelectionChanged()) );
else
connect( mKeyListView, SIGNAL(selectionChanged(Kleo::KeyListViewItem*)),
SLOT(slotCheckSelection(Kleo::KeyListViewItem*)) );
}
void Kleo::KeySelectionDialog::disconnectSignals() {
if ( mKeyListView->isMultiSelection() )
disconnect( mKeyListView, SIGNAL(selectionChanged()),
this, SLOT(slotSelectionChanged()) );
else
disconnect( mKeyListView, SIGNAL(selectionChanged(Kleo::KeyListViewItem*)),
this, SLOT(slotCheckSelection(Kleo::KeyListViewItem*)) );
}
const GpgME::Key & Kleo::KeySelectionDialog::selectedKey() const {
if ( mKeyListView->isMultiSelection() || !mKeyListView->selectedItem() )
return GpgME::Key::null;
return mKeyListView->selectedItem()->key();
}
QString Kleo::KeySelectionDialog::fingerprint() const {
return selectedKey().primaryFingerprint();
}
QStringList Kleo::KeySelectionDialog::fingerprints() const {
QStringList result;
for ( std::vector<GpgME::Key>::const_iterator it = mSelectedKeys.begin() ; it != mSelectedKeys.end() ; ++it )
if ( const char * fpr = it->primaryFingerprint() )
result.push_back( fpr );
return result;
}
QStringList Kleo::KeySelectionDialog::pgpKeyFingerprints() const {
QStringList result;
for ( std::vector<GpgME::Key>::const_iterator it = mSelectedKeys.begin() ; it != mSelectedKeys.end() ; ++it )
if ( it->protocol() == GpgME::Context::OpenPGP )
if ( const char * fpr = it->primaryFingerprint() )
result.push_back( fpr );
return result;
}
QStringList Kleo::KeySelectionDialog::smimeFingerprints() const {
QStringList result;
for ( std::vector<GpgME::Key>::const_iterator it = mSelectedKeys.begin() ; it != mSelectedKeys.end() ; ++it )
if ( it->protocol() == GpgME::Context::CMS )
if ( const char * fpr = it->primaryFingerprint() )
result.push_back( fpr );
return result;
}
void Kleo::KeySelectionDialog::slotRereadKeys() {
mKeyListView->clear();
mListJobCount = 0;
mTruncated = 0;
mSavedOffsetY = mKeyListView->contentsY();
disconnectSignals();
mKeyListView->setEnabled( false );
// FIXME: save current selection
if ( mOpenPGPBackend )
startKeyListJobForBackend( mOpenPGPBackend, std::vector<GpgME::Key>(), false /*non-validating*/ );
if ( mSMIMEBackend )
startKeyListJobForBackend( mSMIMEBackend, std::vector<GpgME::Key>(), false /*non-validating*/ );
if ( mListJobCount == 0 ) {
mKeyListView->setEnabled( true );
KMessageBox::information( this,
i18n("No backends found for listing keys. "
"Check your installation."),
i18n("Key Listing Failed") );
connectSignals();
}
}
void Kleo::KeySelectionDialog::slotHelp()
{
emit helpClicked();
}
void Kleo::KeySelectionDialog::slotStartCertificateManager()
{
KProcess certManagerProc;
certManagerProc << "kleopatra";
if( !certManagerProc.start( KProcess::DontCare ) )
KMessageBox::error( this, i18n( "Could not start certificate manager; "
"please check your installation." ),
i18n( "Certificate Manager Error" ) );
else
kdDebug(5006) << "\nslotStartCertManager(): certificate manager started.\n" << endl;
}
#ifndef __KLEO_UI_SHOW_KEY_LIST_ERROR_H__
#define __KLEO_UI_SHOW_KEY_LIST_ERROR_H__
static void showKeyListError( QWidget * parent, const GpgME::Error & err ) {
assert( err );
const QString msg = i18n( "<qt><p>An error occurred while fetching "
"the keys from the backend:</p>"
"<p><b>%1</b></p></qt>" )
.arg( QString::fromLocal8Bit( err.asString() ) );
KMessageBox::error( parent, msg, i18n( "Key Listing Failed" ) );
}
#endif // __KLEO_UI_SHOW_KEY_LIST_ERROR_H__
namespace {
struct ExtractFingerprint {
QString operator()( const GpgME::Key & key ) {
return key.primaryFingerprint();
}
};
}
void Kleo::KeySelectionDialog::startKeyListJobForBackend( const CryptoBackend::Protocol * backend, const std::vector<GpgME::Key> & keys, bool validate ) {
assert( backend );
KeyListJob * job = backend->keyListJob( false, false, validate ); // local, w/o sigs, validation as givem
if ( !job )
return;
connect( job, SIGNAL(result(const GpgME::KeyListResult&)),
SLOT(slotKeyListResult(const GpgME::KeyListResult&)) );
connect( job, SIGNAL(nextKey(const GpgME::Key&)),
mKeyListView, validate ?
SLOT(slotRefreshKey(const GpgME::Key&)) :
SLOT(slotAddKey(const GpgME::Key&)) );
QStringList fprs;
std::transform( keys.begin(), keys.end(), std::back_inserter( fprs ), ExtractFingerprint() );
const GpgME::Error err = job->start( fprs, mKeyUsage & SecretKeys && !( mKeyUsage & PublicKeys ) );
if ( err )
return showKeyListError( this, err );
// FIXME: create a MultiProgressDialog:
(void)new ProgressDialog( job, validate ? i18n( "Checking selected keys..." ) : i18n( "Fetching keys..." ), this );
++mListJobCount;
}
static void selectKeys( Kleo::KeyListView * klv, const std::vector<GpgME::Key> & selectedKeys ) {
klv->clearSelection();
if ( selectedKeys.empty() )
return;
for ( std::vector<GpgME::Key>::const_iterator it = selectedKeys.begin() ; it != selectedKeys.end() ; ++it )
if ( Kleo::KeyListViewItem * item = klv->itemByFingerprint( it->primaryFingerprint() ) )
item->setSelected( true );
}
void Kleo::KeySelectionDialog::slotKeyListResult( const GpgME::KeyListResult & res ) {
if ( res.error() )
showKeyListError( this, res.error() );
else if ( res.isTruncated() )
++mTruncated;
if ( --mListJobCount > 0 )
return; // not yet finished...
if ( mTruncated > 0 )
KMessageBox::information( this,
i18n("<qt>One backend returned truncated output.<br>"
"Not all available keys are shown</qt>",
"<qt>%n backends returned truncated output.<br>"
"Not all available keys are shown</qt>",
mTruncated),
i18n("Key List Result") );
mKeyListView->flushKeys();
mKeyListView->setEnabled( true );
mListJobCount = mTruncated = 0;
mKeysToCheck.clear();
selectKeys( mKeyListView, mSelectedKeys );
slotFilter();
connectSignals();
slotSelectionChanged();
// restore the saved position of the contents
mKeyListView->setContentsPos( 0, mSavedOffsetY ); mSavedOffsetY = 0;
}
void Kleo::KeySelectionDialog::slotSelectionChanged() {
kdDebug(5150) << "KeySelectionDialog::slotSelectionChanged()" << endl;
// (re)start the check selection timer. Checking the selection is delayed
// because else drag-selection doesn't work very good (checking key trust
// is slow).
mCheckSelectionTimer->start( sCheckSelectionDelay );
}
namespace {
struct AlreadyChecked {
bool operator()( const GpgME::Key & key ) const {
return key.keyListMode() & GpgME::Context::Validate ;
}
};
}
void Kleo::KeySelectionDialog::slotCheckSelection( KeyListViewItem * item ) {
kdDebug(5150) << "KeySelectionDialog::slotCheckSelection()\n";
mCheckSelectionTimer->stop();
mSelectedKeys.clear();
if ( !mKeyListView->isMultiSelection() ) {
if ( item )
mSelectedKeys.push_back( item->key() );
}
for ( KeyListViewItem * it = mKeyListView->firstChild() ; it ; it = it->nextSibling() )
if ( it->isSelected() )
mSelectedKeys.push_back( it->key() );
mKeysToCheck.clear();
std::remove_copy_if( mSelectedKeys.begin(), mSelectedKeys.end(),
std::back_inserter( mKeysToCheck ),
AlreadyChecked() );
if ( mKeysToCheck.empty() ) {
enableButtonOK( !mSelectedKeys.empty() &&
checkKeyUsage( mSelectedKeys, mKeyUsage ) );
return;
}
// performed all fast checks - now for validating key listing:
startValidatingKeyListing();
}
void Kleo::KeySelectionDialog::startValidatingKeyListing() {
if ( mKeysToCheck.empty() )
return;
mListJobCount = 0;
mTruncated = 0;
mSavedOffsetY = mKeyListView->contentsY();
disconnectSignals();
mKeyListView->setEnabled( false );
std::vector<GpgME::Key> smime, openpgp;
for ( std::vector<GpgME::Key>::const_iterator it = mKeysToCheck.begin() ; it != mKeysToCheck.end() ; ++it )
if ( it->protocol() == GpgME::Context::OpenPGP )
openpgp.push_back( *it );
else
smime.push_back( *it );
if ( !openpgp.empty() ) {
assert( mOpenPGPBackend );
startKeyListJobForBackend( mOpenPGPBackend, openpgp, true /*validate*/ );
}
if ( !smime.empty() ) {
assert( mSMIMEBackend );
startKeyListJobForBackend( mSMIMEBackend, smime, true /*validate*/ );
}
assert( mListJobCount > 0 );
}
bool Kleo::KeySelectionDialog::rememberSelection() const {
return mRememberCB && mRememberCB->isChecked() ;
}
void Kleo::KeySelectionDialog::slotRMB( Kleo::KeyListViewItem * item, const QPoint & p ) {
if ( !item ) return;
mCurrentContextMenuItem = item;
QPopupMenu menu;
menu.insertItem( i18n( "Recheck Key" ), this, SLOT(slotRecheckKey()) );
menu.exec( p );
}
void Kleo::KeySelectionDialog::slotRecheckKey() {
if ( !mCurrentContextMenuItem || mCurrentContextMenuItem->key().isNull() )
return;
mKeysToCheck.clear();
mKeysToCheck.push_back( mCurrentContextMenuItem->key() );
}
void Kleo::KeySelectionDialog::slotTryOk() {
if ( actionButton( Ok )->isEnabled() )
slotOk();
}
void Kleo::KeySelectionDialog::slotOk() {
if ( mCheckSelectionTimer->isActive() )
slotCheckSelection();
// button could be disabled again after checking the selected key
if ( !actionButton( Ok )->isEnabled() )
return;
mStartSearchTimer->stop();
accept();
}
void Kleo::KeySelectionDialog::slotCancel() {
mCheckSelectionTimer->stop();
mStartSearchTimer->stop();
reject();
}
void Kleo::KeySelectionDialog::slotSearch( const QString & text ) {
mSearchText = text.stripWhiteSpace().upper();
slotSearch();
}
void Kleo::KeySelectionDialog::slotSearch() {
mStartSearchTimer->start( sCheckSelectionDelay, true /*single-shot*/ );
}
void Kleo::KeySelectionDialog::slotFilter() {
if ( mSearchText.isEmpty() ) {
showAllItems();
return;
}
// OK, so we need to filter:
QRegExp keyIdRegExp( "(?:0x)?[A-F0-9]{1,8}", false /*case-insens.*/ );
if ( keyIdRegExp.exactMatch( mSearchText ) ) {
if ( mSearchText.startsWith( "0X" ) )
// search for keyID only:
filterByKeyID( mSearchText.mid( 2 ) );
else
// search for UID and keyID:
filterByKeyIDOrUID( mSearchText );
} else {
// search in UID:
filterByUID( mSearchText );
}
}
void Kleo::KeySelectionDialog::filterByKeyID( const QString & keyID ) {
assert( keyID.length() <= 8 );
assert( !keyID.isEmpty() ); // regexp in slotFilter should prevent these
if ( keyID.isEmpty() )
showAllItems();
else
for ( KeyListViewItem * item = mKeyListView->firstChild() ; item ; item = item->nextSibling() )
item->setVisible( item->text( 0 ).upper().startsWith( keyID ) );
}
static bool anyUIDMatches( const Kleo::KeyListViewItem * item, QRegExp & rx ) {
if ( !item )
return false;
const std::vector<GpgME::UserID> uids = item->key().userIDs();
for ( std::vector<GpgME::UserID>::const_iterator it = uids.begin() ; it != uids.end() ; ++it )
if ( it->id() && rx.search( QString::fromUtf8( it->id() ) ) >= 0 )
return true;
return false;
}
void Kleo::KeySelectionDialog::filterByKeyIDOrUID( const QString & str ) {
assert( !str.isEmpty() );
// match beginnings of words:
QRegExp rx( "\\b" + QRegExp::escape( str ), false );
for ( KeyListViewItem * item = mKeyListView->firstChild() ; item ; item = item->nextSibling() )
item->setVisible( item->text( 0 ).upper().startsWith( str ) || anyUIDMatches( item, rx ) );
}
void Kleo::KeySelectionDialog::filterByUID( const QString & str ) {
assert( !str.isEmpty() );
// match beginnings of words:
QRegExp rx( "\\b" + QRegExp::escape( str ), false );
for ( KeyListViewItem * item = mKeyListView->firstChild() ; item ; item = item->nextSibling() )
item->setVisible( anyUIDMatches( item, rx ) );
}
void Kleo::KeySelectionDialog::showAllItems() {
for ( KeyListViewItem * item = mKeyListView->firstChild() ; item ; item = item->nextSibling() )
item->setVisible( true );
}
#include "keyselectiondialog.moc"
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