workspace/kdm/kfrontend/kgdialog.cpp

   1 /*
   2
   3 Base class for various kdm greeter dialogs
   4
   5 Copyright (C) 1997, 1998 Steffen Hansen <hansen@kde.org>
   6 Copyright (C) 2000-2004 Oswald Buddenhagen <ossi@kde.org>
   7
   8
   9 This program is free software; you can redistribute it and/or modify
  10 it under the terms of the GNU General Public License as published by
  11 the Free Software Foundation; either version 2 of the License, or
  12 (at your option) any later version.
  13
  14 This program is distributed in the hope that it will be useful,
  15 but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 GNU General Public License for more details.
  18
  19 You should have received a copy of the GNU General Public License
  20 along with this program; if not, write to the Free Software
  21 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  22
  23 */
  24
  25 #include "kgdialog.h"
  26 #include "kgverify.h"
  27 #include "kconsole.h"
  28 #include "kdmshutdown.h"
  29 #include "kdm_greet.h"
  30 #include "utils.h"
  31
  32 #include <klocale.h>
  33
  34 #include <QAction>
  35 #include <QMenu>
  36
  37 KGDialog::KGDialog( bool themed ) : inherited( 0, !themed )
  38 {
  39 #ifdef WITH_KDM_XCONSOLE
  40         consoleView = _showLog ? new KConsole( this ) : 0;
  41 #endif
  42
  43         optMenu = 0;
  44         verify = 0;
  45 }
  46
  47 void
  48 #ifdef XDMCP
  49 KGDialog::completeMenu( int _switchIf, int _switchCode, const QString &_switchMsg, int _switchAccel )
  50 #else
  51 KGDialog::completeMenu()
  52 #endif
  53 {
  54 #ifdef HAVE_VTS
  55         if (_isLocal) {
  56                 dpyMenu = new QMenu( this );
  57                 inserten( i18n("Sw&itch User"), Qt::ALT + Qt::Key_I, dpyMenu );
  58                 QAction *action = new QAction( this );
  59                 action->setMenu( dpyMenu );
  60                 action->setShortcut( Qt::ALT+Qt::CTRL+Qt::Key_Insert );
  61                 connect( action, SIGNAL(triggered( bool )),
  62                          SLOT(slotActivateMenu( bool )) );
  63                 addAction( action );
  64                 connect( dpyMenu, SIGNAL(triggered( QAction * )),
  65                          SLOT(slotDisplaySelected( QAction * )) );
  66                 connect( dpyMenu, SIGNAL(aboutToShow()),
  67                          SLOT(slotPopulateDisplays()) );
  68         }
  69 #endif
  70
  71         if (_allowClose || _isReserve)
  72                 inserten( _isReserve ? i18n("Abort S&ession") :
  73                           _isLocal ? i18n("R&estart X Server") :
  74                                      i18n("Clos&e Connection"),
  75                           Qt::ALT+Qt::Key_E, SLOT(slotExit()) );
  76
  77 #ifdef XDMCP
  78         if (_isLocal && _loginMode != _switchIf) {
  79                 switchCode = _switchCode;
  80                 inserten( _switchMsg, _switchAccel, SLOT(slotSwitch()) );
  81         }
  82 #endif
  83
  84         if (_hasConsole)
  85                 inserten( i18n("Co&nsole Login"), Qt::ALT+Qt::Key_N, SLOT(slotConsole()) );
  86
  87         if (_allowShutdown != SHUT_NONE) {
  88                 inserten( i18n("&Shutdown..."),  Qt::ALT + Qt::Key_S, SLOT(slotShutdown()) );
  89                 inserten( Qt::ALT + Qt::CTRL + Qt::Key_Delete, SLOT(slotShutdown()) );
  90                 inserten( Qt::SHIFT + Qt::ALT + Qt::CTRL + Qt::Key_PageUp, SLOT(slotShutdown()), SHUT_REBOOT );
  91                 inserten( Qt::SHIFT + Qt::ALT + Qt::CTRL + Qt::Key_PageDown, SLOT(slotShutdown()), SHUT_HALT );
  92         }
  93 }
  94
  95 void
  96 KGDialog::ensureMenu()
  97 {
  98         if (!optMenu) {
  99                 optMenu = new QMenu( this );
 100                 connect( optMenu, SIGNAL(triggered( QAction * )), SLOT(slotActivateMenu( QAction * )) );
 101                 needSep = false;
 102         } else if (needSep) {
 103                 optMenu->addSeparator();
 104                 needSep = false;
 105         }
 106 }
 107
 108 void
 109 KGDialog::inserten( const QKeySequence &shortcut, const char *member, int data )
 110 {
 111         QAction *action = new QAction( this );
 112         action->setShortcut( shortcut );
 113         if (data != -1)
 114                 action->setData( data );
 115         connect( action, SIGNAL(triggered()), member );
 116         addAction( action );
 117 }
 118
 119 void
 120 KGDialog::inserten( const QString &txt, const QKeySequence &shortcut, const char *member )
 121 {
 122         ensureMenu();
 123         optMenu->addAction( txt, this, member, shortcut );
 124 }
 125
 126 void
 127 KGDialog::inserten( const QString &txt, const QKeySequence &shortcut, QMenu *cmnu )
 128 {
 129         ensureMenu();
 130         QAction *action = optMenu->addMenu( cmnu );
 131         action->setShortcut( shortcut );
 132         action->setText( txt );
 133 }
 134
 135 void
 136 KGDialog::slotActivateMenu( QAction *action )
 137 {
 138         QMenu *cmnu = action->menu();
 139         if (cmnu) {
 140                 QSize sh( cmnu->sizeHint() / 2 );
 141                 cmnu->exec( geometry().center() - QPoint( sh.width(), sh.height() ) );
 142         }
 143 }
 144
 145 void
 146 KGDialog::slotActivateMenu( bool )
 147 {
 148         slotActivateMenu( static_cast<QAction *>(sender()) );
 149 }
 150
 151 void
 152 KGDialog::slotExit()
 153 {
 154         if (verify)
 155                 verify->abort();
 156         ::exit( _isReserve ? EX_RESERVE : EX_RESERVER_DPY );
 157 }
 158
 159 void
 160 KGDialog::slotSwitch()
 161 {
 162 #ifdef XDMCP
 163         done( switchCode );
 164 #endif
 165 }
 166
 167 void
 168 KGDialog::slotConsole()
 169 {
 170 #ifdef HAVE_VTS
 171         dpySpec *sess = fetchSessions( 0 );
 172         if (sess) {
 173                 if (verify)
 174                         verify->suspend();
 175                 int ret = KDMConfShutdown( -1, sess, SHUT_CONSOLE, 0 ).exec();
 176                 if (verify)
 177                         verify->resume();
 178                 disposeSessions( sess );
 179                 if (!ret)
 180                         return;
 181         }
 182 #else
 183         if (verify)
 184                 verify->abort();
 185 #endif
 186         gSet( 1 );
 187         gSendInt( G_Console );
 188         gSet( 0 );
 189 }
 190
 191 void
 192 KGDialog::slotShutdown()
 193 {
 194         if (verify)
 195                 verify->suspend();
 196         QAction *action = (QAction *)sender();
 197         if (action->data().isNull()) {
 198                 if (_scheduledSd == SHUT_ALWAYS)
 199                         KDMShutdown::scheduleShutdown( this );
 200                 else
 201                         KDMSlimShutdown( this ).exec();
 202         } else
 203                 KDMSlimShutdown::externShutdown( action->data().toInt(), 0, -1 );
 204         if (verify)
 205                 verify->resume();
 206 }
 207
 208 void
 209 KGDialog::slotDisplaySelected( QAction *action )
 210 {
 211 #ifdef HAVE_VTS
 212         gSet( 1 );
 213         gSendInt( G_Activate );
 214         gSendInt( action->data().toInt() );
 215         gSet( 0 );
 216 #else
 217         (void)action;
 218 #endif
 219 }
 220
 221 void
 222 KGDialog::slotPopulateDisplays()
 223 {
 224 #ifdef HAVE_VTS
 225         dpyMenu->clear();
 226         dpySpec *sessions = fetchSessions( lstPassive | lstTTY );
 227         QString user, loc;
 228         for (dpySpec *sess = sessions; sess; sess = sess->next) {
 229                 decodeSession( sess, user, loc );
 230                 QAction *action = dpyMenu->addAction(
 231                         i18nc( "session (location)", "%1 (%2)", user, loc ) );
 232                 action->setData( sess->vt ? sess->vt : -1 );
 233                 action->setCheckable( true );
 234                 if (!sess->vt)
 235                         action->setEnabled( false );
 236                 if (sess->flags & isSelf)
 237                         action->setChecked( true );
 238         }
 239         disposeSessions( sessions );
 240 #endif
 241 }
 242
 243 #include "kgdialog.moc"