kio

passdlg.cpp

00001 /* This file is part of the KDE libraries
00002    Copyright (C) 2000 David Faure <faure@kde.org>
00003 
00004    This library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Library General Public
00006    License version 2 as published by the Free Software Foundation.
00007 
00008    This library is distributed in the hope that it will be useful,
00009    but WITHOUT ANY WARRANTY; without even the implied warranty of
00010    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00011    Library General Public License for more details.
00012 
00013    You should have received a copy of the GNU Library General Public License
00014    along with this library; see the file COPYING.LIB.  If not, write to
00015    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00016    Boston, MA 02110-1301, USA.
00017 */
00018 
00019 #include "passdlg.h"
00020 
00021 #include <qapplication.h>
00022 #include <qcheckbox.h>
00023 #include <qhbox.h>
00024 #include <qlabel.h>
00025 #include <qlayout.h>
00026 #include <qsimplerichtext.h>
00027 #include <qstylesheet.h>
00028 
00029 #include <kcombobox.h>
00030 #include <kconfig.h>
00031 #include <kiconloader.h>
00032 #include <klineedit.h>
00033 #include <klocale.h>
00034 #include <kstandarddirs.h>
00035 
00036 using namespace KIO;
00037 
00038 struct PasswordDialog::PasswordDialogPrivate
00039 {
00040     QGridLayout *layout;
00041     QLineEdit* userEdit;
00042     KLineEdit* passEdit;
00043     QLabel* userNameLabel;
00044     QLabel* prompt;
00045     QCheckBox* keepCheckBox;
00046     QMap<QString,QString> knownLogins;
00047     KComboBox* userEditCombo;
00048     QHBox* userNameHBox;
00049 
00050     bool keep;
00051     short unsigned int nRow;
00052 };
00053 
00054 PasswordDialog::PasswordDialog( const QString& prompt, const QString& user,
00055                                 bool enableKeep, bool modal, QWidget* parent,
00056                                 const char* name )
00057                :KDialogBase( parent, name, modal, i18n("Password"), Ok|Cancel, Ok, true)
00058 {
00059     init ( prompt, user, enableKeep );
00060 }
00061 
00062 PasswordDialog::~PasswordDialog()
00063 {
00064     delete d;
00065 }
00066 
00067 void PasswordDialog::init( const QString& prompt, const QString& user,
00068                            bool enableKeep  )
00069 {
00070     QWidget *main = makeMainWidget();
00071 
00072     d = new PasswordDialogPrivate;
00073     d->keep = false;
00074     d->nRow = 0;
00075     d->keepCheckBox = 0;
00076 
00077     KConfig* cfg = KGlobal::config();
00078     KConfigGroupSaver saver( cfg, "Passwords" );
00079 
00080     d->layout = new QGridLayout( main, 9, 3, spacingHint(), marginHint());
00081     d->layout->addColSpacing(1, 5);
00082 
00083     // Row 0: pixmap  prompt
00084     QLabel* lbl;
00085     QPixmap pix( KGlobal::iconLoader()->loadIcon( "password", KIcon::NoGroup, KIcon::SizeHuge, 0, 0, true));
00086     if ( !pix.isNull() )
00087     {
00088         lbl = new QLabel( main );
00089         lbl->setPixmap( pix );
00090         lbl->setAlignment( Qt::AlignLeft|Qt::AlignVCenter );
00091         lbl->setFixedSize( lbl->sizeHint() );
00092         d->layout->addWidget( lbl, 0, 0, Qt::AlignLeft );
00093     }
00094     d->prompt = new QLabel( main );
00095     d->prompt->setAlignment( Qt::AlignLeft|Qt::AlignVCenter|Qt::WordBreak );
00096     d->layout->addWidget( d->prompt, 0, 2, Qt::AlignLeft );
00097     if ( prompt.isEmpty() )
00098         setPrompt( i18n( "You need to supply a username and a password" ) );
00099     else
00100         setPrompt( prompt );
00101 
00102     // Row 1: Row Spacer
00103     d->layout->addRowSpacing( 1, 7 );
00104 
00105     // Row 2-3: Reserved for an additional comment
00106 
00107     // Row 4: Username field
00108     d->userNameLabel = new QLabel( i18n("&Username:"), main );
00109     d->userNameLabel->setAlignment( Qt::AlignVCenter | Qt::AlignLeft );
00110     d->userNameLabel->setFixedSize( d->userNameLabel->sizeHint() );
00111     d->userNameHBox = new QHBox( main );
00112 
00113     d->userEdit = new KLineEdit( d->userNameHBox );
00114     QSize s = d->userEdit->sizeHint();
00115     d->userEdit->setFixedHeight( s.height() );
00116     d->userEdit->setMinimumWidth( s.width() );
00117     d->userNameLabel->setBuddy( d->userEdit );
00118     d->layout->addWidget( d->userNameLabel, 4, 0 );
00119     d->layout->addWidget( d->userNameHBox, 4, 2 );
00120 
00121     // Row 5: Row spacer
00122     d->layout->addRowSpacing( 5, 4 );
00123 
00124     // Row 6: Password field
00125     lbl = new QLabel( i18n("&Password:"), main );
00126     lbl->setAlignment( Qt::AlignVCenter | Qt::AlignLeft );
00127     lbl->setFixedSize( lbl->sizeHint() );
00128     QHBox* hbox = new QHBox( main );
00129     d->passEdit = new KLineEdit( hbox );
00130     if ( cfg->readEntry("EchoMode", "OneStar") == "NoEcho" )
00131         d->passEdit->setEchoMode( QLineEdit::NoEcho );
00132     else
00133         d->passEdit->setEchoMode( QLineEdit::Password );
00134     s = d->passEdit->sizeHint();
00135     d->passEdit->setFixedHeight( s.height() );
00136     d->passEdit->setMinimumWidth( s.width() );
00137     lbl->setBuddy( d->passEdit );
00138     d->layout->addWidget( lbl, 6, 0 );
00139     d->layout->addWidget( hbox, 6, 2 );
00140 
00141     if ( enableKeep )
00142     {
00143         // Row 7: Add spacer
00144         d->layout->addRowSpacing( 7, 4 );
00145         // Row 8: Keep Password
00146         hbox = new QHBox( main );
00147         d->keepCheckBox = new QCheckBox( i18n("&Keep password"), hbox );
00148         d->keepCheckBox->setFixedSize( d->keepCheckBox->sizeHint() );
00149         d->keep = cfg->readBoolEntry("Keep", false );
00150         d->keepCheckBox->setChecked( d->keep );
00151         connect(d->keepCheckBox, SIGNAL(toggled( bool )), SLOT(slotKeep( bool )));
00152         d->layout->addWidget( hbox, 8, 2 );
00153     }
00154 
00155     // Configure necessary key-bindings and connect necessar slots and signals
00156     connect( d->userEdit, SIGNAL(returnPressed()), d->passEdit, SLOT(setFocus()) );
00157     connect( d->passEdit, SIGNAL(returnPressed()), SLOT(slotOk()) );
00158 
00159     if ( !user.isEmpty() )
00160     {
00161         d->userEdit->setText( user );
00162         d->passEdit->setFocus();
00163     }
00164     else
00165         d->userEdit->setFocus();
00166 
00167     d->userEditCombo = 0;
00168 //    setFixedSize( sizeHint() );
00169 }
00170 
00171 QString PasswordDialog::username() const
00172 {
00173     return d->userEdit->text();
00174 }
00175 
00176 QString PasswordDialog::password() const
00177 {
00178     return d->passEdit->text();
00179 }
00180 
00181 void PasswordDialog::setKeepPassword( bool b )
00182 {
00183     if ( d->keepCheckBox )
00184         d->keepCheckBox->setChecked( b );
00185 }
00186 
00187 bool PasswordDialog::keepPassword() const
00188 {
00189     return d->keep;
00190 }
00191 
00192 static void calculateLabelSize(QLabel *label)
00193 {
00194    QString qt_text = label->text();
00195 
00196    int pref_width = 0;
00197    int pref_height = 0;
00198    // Calculate a proper size for the text.
00199    {
00200        QSimpleRichText rt(qt_text, label->font());
00201        QRect d = KGlobalSettings::desktopGeometry(label->topLevelWidget());
00202 
00203        pref_width = d.width() / 4;
00204        rt.setWidth(pref_width-10);
00205        int used_width = rt.widthUsed();
00206        pref_height = rt.height();
00207        if (used_width <= pref_width)
00208        {
00209           while(true)
00210           {
00211              int new_width = (used_width * 9) / 10;
00212              rt.setWidth(new_width-10);
00213              int new_height = rt.height();
00214              if (new_height > pref_height)
00215                 break;
00216              used_width = rt.widthUsed();
00217              if (used_width > new_width)
00218                 break;
00219           }
00220           pref_width = used_width;
00221        }
00222        else
00223        {
00224           if (used_width > (pref_width *2))
00225              pref_width = pref_width *2;
00226           else
00227              pref_width = used_width;
00228        }
00229     }
00230     label->setFixedSize(QSize(pref_width+10, pref_height));
00231 }
00232 
00233 void PasswordDialog::addCommentLine( const QString& label,
00234                                      const QString comment )
00235 {
00236     if (d->nRow > 0)
00237         return;
00238 
00239     QWidget *main = mainWidget();
00240 
00241     QLabel* lbl = new QLabel( label, main);
00242     lbl->setAlignment( Qt::AlignVCenter|Qt::AlignRight );
00243     lbl->setFixedSize( lbl->sizeHint() );
00244     d->layout->addWidget( lbl, d->nRow+2, 0, Qt::AlignLeft );
00245     lbl = new QLabel( comment, main);
00246     lbl->setAlignment( Qt::AlignVCenter|Qt::AlignLeft|Qt::WordBreak );
00247     calculateLabelSize(lbl);
00248     d->layout->addWidget( lbl, d->nRow+2, 2, Qt::AlignLeft );
00249     d->layout->addRowSpacing( 3, 10 ); // Add a spacer
00250     d->nRow++;
00251 }
00252 
00253 void PasswordDialog::slotKeep( bool keep )
00254 {
00255     d->keep = keep;
00256 }
00257 
00258 static QString qrichtextify( const QString& text )
00259 {
00260   if ( text.isEmpty() || text[0] == '<' )
00261     return text;
00262 
00263   QStringList lines = QStringList::split('\n', text);
00264   for(QStringList::Iterator it = lines.begin(); it != lines.end(); ++it)
00265   {
00266     *it = QStyleSheet::convertFromPlainText( *it, QStyleSheetItem::WhiteSpaceNormal );
00267   }
00268 
00269   return lines.join(QString::null);
00270 }
00271 
00272 void PasswordDialog::setPrompt(const QString& prompt)
00273 {
00274     QString text = qrichtextify(prompt);
00275     d->prompt->setText(text);
00276     calculateLabelSize(d->prompt);
00277 }
00278 
00279 void PasswordDialog::setPassword(const QString &p)
00280 {
00281     d->passEdit->setText(p);
00282 }
00283 
00284 void PasswordDialog::setUserReadOnly( bool readOnly )
00285 {
00286     d->userEdit->setReadOnly( readOnly );
00287     if ( readOnly && d->userEdit->hasFocus() )
00288         d->passEdit->setFocus();
00289 }
00290 
00291 void PasswordDialog::setKnownLogins( const QMap<QString, QString>& knownLogins )
00292 {
00293     const int nr = knownLogins.count();
00294     if ( nr == 0 )
00295         return;
00296     if ( nr == 1 ) {
00297         d->userEdit->setText( knownLogins.begin().key() );
00298         setPassword( knownLogins.begin().data() );
00299         return;
00300     }
00301 
00302     Q_ASSERT( !d->userEdit->isReadOnly() );
00303     if ( !d->userEditCombo ) {
00304         delete d->userEdit;
00305         d->userEditCombo = new KComboBox( true, d->userNameHBox );
00306         d->userEdit = d->userEditCombo->lineEdit();
00307         QSize s = d->userEditCombo->sizeHint();
00308         d->userEditCombo->setFixedHeight( s.height() );
00309         d->userEditCombo->setMinimumWidth( s.width() );
00310         d->userNameLabel->setBuddy( d->userEditCombo );
00311         d->layout->addWidget( d->userNameHBox, 4, 2 );
00312     }
00313 
00314     d->knownLogins = knownLogins;
00315     d->userEditCombo->insertStringList( knownLogins.keys() );
00316     d->userEditCombo->setFocus();
00317 
00318     connect( d->userEditCombo, SIGNAL( activated( const QString& ) ),
00319              this, SLOT( slotActivated( const QString& ) ) );
00320 }
00321 
00322 void PasswordDialog::slotActivated( const QString& userName )
00323 {
00324     QMap<QString, QString>::ConstIterator it = d->knownLogins.find( userName );
00325     if ( it != d->knownLogins.end() )
00326         setPassword( it.data() );
00327 }
00328 
00329 
00330 int PasswordDialog::getNameAndPassword( QString& user, QString& pass, bool* keep,
00331                                         const QString& prompt, bool readOnly,
00332                                         const QString& caption,
00333                                         const QString& comment,
00334                                         const QString& label )
00335 {
00336     PasswordDialog* dlg;
00337     if( keep )
00338         dlg = new PasswordDialog( prompt, user, (*keep) );
00339     else
00340         dlg = new PasswordDialog( prompt, user );
00341 
00342     if ( !caption.isEmpty() )
00343         dlg->setPlainCaption( caption );
00344     else
00345         dlg->setPlainCaption( i18n("Authorization Dialog") );
00346 
00347     if ( !comment.isEmpty() )
00348         dlg->addCommentLine( label, comment );
00349 
00350     if ( readOnly )
00351         dlg->setUserReadOnly( readOnly );
00352 
00353     int ret = dlg->exec();
00354     if ( ret == Accepted )
00355     {
00356         user = dlg->username();
00357         pass = dlg->password();
00358         if ( keep ) { (*keep) = dlg->keepPassword(); }
00359     }
00360     delete dlg;
00361     return ret;
00362  }
00363 
00364 void PasswordDialog::virtual_hook( int id, void* data )
00365 { KDialogBase::virtual_hook( id, data ); }
00366 
00367 #include "passdlg.moc"
kio

passdlg.cpp

kio

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