workspace/kdm/kfrontend/kchooser.cpp

   1 /*
   2
   3 chooser widget for KDM
   4
   5 Copyright (C) 2002-2003 Oswald Buddenhagen <ossi@kde.org>
   6 based on the chooser (C) 1999 by Harald Hoyer <Harald.Hoyer@RedHat.de>
   7
   8 This program is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 2 of the License, or
  11 (at your option) any later version.
  12
  13 This program is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with this program; if not, write to the Free Software
  20 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  21
  22 */
  23
  24 #include "kchooser.h"
  25 #include "kconsole.h"
  26 #include "kdmconfig.h"
  27 #include "kdm_greet.h"
  28
  29 #include <klocale.h>
  30
  31 #include <QLabel>
  32 #include <QLineEdit>
  33 #include <QPushButton>
  34 #include <QSocketNotifier>
  35 #include <QTreeWidget>
  36 #include <QTreeWidgetItem>
  37 #include <QHBoxLayout>
  38 #include <QVBoxLayout>
  39
  40 #include <stdlib.h> // for free()
  41
  42 class ChooserListViewItem : public QTreeWidgetItem {
  43   public:
  44         ChooserListViewItem( QTreeWidget *parent, int _id, const QString &nam, const QString &sts )
  45                 : QTreeWidgetItem( parent, QStringList() << nam << sts ) { id = _id; }
  46
  47         int id;
  48 };
  49
  50
  51 ChooserDlg::ChooserDlg()
  52         : inherited()
  53 {
  54         completeMenu( LOGIN_REMOTE_ONLY, ex_greet, i18n("&Local Login"), Qt::ALT+Qt::Key_L );
  55
  56         QBoxLayout *vbox = new QVBoxLayout( this );
  57
  58         QLabel *title = new QLabel( i18n("XDMCP Host Menu"), this );
  59         title->setAlignment( Qt::AlignCenter );
  60         vbox->addWidget( title );
  61
  62         host_view = new QTreeWidget( this );
  63         host_view->setRootIsDecorated( false );
  64         host_view->setUniformRowHeights( true );
  65         host_view->setEditTriggers( QAbstractItemView::NoEditTriggers );
  66         host_view->setColumnCount( 2 );
  67         host_view->setHeaderLabels( QStringList() << i18n("Hostname") << i18n("Status") );
  68         host_view->setColumnWidth( 0, fontMetrics().width( "login.crap.net" ) );
  69         host_view->setMinimumWidth( fontMetrics().width( "login.crap.com Display not authorized to connect this server" ) );
  70         host_view->setAllColumnsShowFocus( true );
  71         vbox->addWidget( host_view );
  72
  73         iline = new QLineEdit( this );
  74         iline->setEnabled( true );
  75         QLabel *itxt = new QLabel( i18n("Hos&t:"), this );
  76         itxt->setBuddy( iline );
  77         QPushButton *addButton = new QPushButton( i18n("A&dd"), this );
  78         connect( addButton, SIGNAL(clicked()), SLOT(addHostname()) );
  79         QBoxLayout *hibox = new QHBoxLayout();
  80         vbox->addLayout( hibox );
  81         hibox->setParent( vbox );
  82         hibox->addWidget( itxt );
  83         hibox->addWidget( iline );
  84         hibox->addWidget( addButton );
  85
  86         // Buttons
  87         QPushButton *acceptButton = new QPushButton( i18n("&Accept"), this );
  88         acceptButton->setDefault( true );
  89         QPushButton *pingButton = new QPushButton( i18n("&Refresh"), this );
  90
  91         QBoxLayout *hbox = new QHBoxLayout();
  92         vbox->addLayout( hbox );
  93         hbox->setParent( vbox );
  94         hbox->setSpacing( 20 );
  95         hbox->addWidget( acceptButton );
  96         hbox->addWidget( pingButton );
  97         hbox->addStretch( 1 );
  98
  99         if (optMenu) {
 100                 QPushButton *menuButton = new QPushButton( i18n("&Menu"), this );
 101                 menuButton->setMenu( optMenu );
 102                 hbox->addWidget( menuButton );
 103                 hbox->addStretch( 1 );
 104         }
 105
 106 //      QPushButton *helpButton = new QPushButton( i18n("&Help"), this );
 107 //      hbox->addWidget( helpButton );
 108
 109 #ifdef WITH_KDM_XCONSOLE
 110         if (consoleView)
 111                 vbox->addWidget( consoleView );
 112 #endif
 113
 114         sn = new QSocketNotifier( rfd, QSocketNotifier::Read, this );
 115         connect( sn, SIGNAL(activated( int )), SLOT(slotReadPipe()) );
 116
 117         connect( pingButton, SIGNAL(clicked()), SLOT(pingHosts()) );
 118         connect( acceptButton, SIGNAL(clicked()), SLOT(accept()) );
 119 //      connect( helpButton, SIGNAL(clicked()), SLOT(slotHelp()) );
 120         connect( host_view, SIGNAL(itemActivated( QTreeWidgetItem *, int )), SLOT(accept()) );
 121 }
 122
 123 /*
 124 void ChooserDlg::slotHelp()
 125 {
 126         KMessageBox::information( 0,
 127                                   i18n("Choose a host, you want to work on,\n"
 128                                        "in the list or add one.\n\n"
 129                                        "After this box, you must press cancel\n"
 130                                        "in the Host Menu to enter a host. :("));
 131         iline->setFocus();
 132 }
 133 */
 134
 135 void ChooserDlg::addHostname()
 136 {
 137         if (!iline->text().isEmpty()) {
 138                 gSendInt( G_Ch_RegisterHost );
 139                 gSendStr( iline->text().toLatin1() );
 140                 iline->clear();
 141         }
 142 }
 143
 144 void ChooserDlg::pingHosts()
 145 {
 146         gSendInt( G_Ch_Refresh );
 147 }
 148
 149 void ChooserDlg::accept()
 150 {
 151         if (focusWidget() == iline) {
 152                 if (!iline->text().isEmpty()) {
 153                         gSendInt( G_Ch_DirectChoice );
 154                         gSendStr( iline->text().toLatin1() );
 155                         iline->clear();
 156                 }
 157                 return;
 158         } else /*if (focusWidget() == host_view)*/ {
 159                 QTreeWidgetItem *item = host_view->currentItem();
 160                 if (item) {
 161                         gSendInt( G_Ready );
 162                         gSendInt( ((ChooserListViewItem *)item)->id );
 163                         ::exit( EX_NORMAL );
 164                 }
 165         }
 166 }
 167
 168 void ChooserDlg::reject()
 169 {
 170 }
 171
 172 QString ChooserDlg::recvStr()
 173 {
 174         char *arr = gRecvStr();
 175         if (arr) {
 176                 QString str = QString::fromLatin1( arr );
 177                 free( arr );
 178                 return str;
 179         } else
 180                 return i18n("<unknown>"); //krazy:exclude=i18ncheckarg
 181 }
 182
 183 ChooserListViewItem *ChooserDlg::findItem( int id )
 184 {
 185         for (int i = 0, rc = host_view->model()->rowCount(); i < rc; i++) {
 186                 ChooserListViewItem *itm = static_cast<ChooserListViewItem *>(
 187                         host_view->topLevelItem( i ));
 188                 if (itm->id == id)
 189                         return itm;
 190         }
 191         return 0;
 192 }
 193
 194 void ChooserDlg::slotReadPipe()
 195 {
 196         int id;
 197         QString nam, sts;
 198
 199         int cmd = gRecvInt();
 200         switch (cmd) {
 201         case G_Ch_AddHost:
 202         case G_Ch_ChangeHost:
 203                 id = gRecvInt();
 204                 nam = recvStr();
 205                 sts = recvStr();
 206                 gRecvInt(); /* swallow willing for now */
 207                 if (cmd == G_Ch_AddHost)
 208                         new ChooserListViewItem( host_view, id, nam, sts );
 209                 else {
 210                         QTreeWidgetItem *itm = findItem( id );
 211                         itm->setText( 0, nam );
 212                         itm->setText( 1, sts );
 213                 }
 214                 break;
 215         case G_Ch_RemoveHost:
 216                 delete findItem( gRecvInt() );
 217                 break;
 218         case G_Ch_BadHost:
 219                 KFMsgBox::box( this, QMessageBox::Warning, i18n("Unknown host %1", recvStr() ) );
 220                 break;
 221         case G_Ch_Exit:
 222                 done( ex_exit );
 223                 break;
 224         default: /* XXX huuh ...? */
 225                 break;
 226         }
 227 }
 228
 229 #include "kchooser.moc"