git.maemo.org Git - presencevnc/blob - src/connectdialog.cpp

   1 /*
   2     Presence VNC
   3     Copyright (C) 2010 Christian Pulvermacher
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License along
  16     with this program; if not, write to the Free Software Foundation, Inc.,
  17     51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19 #include <QtGui>
  20
  21 #ifdef Q_WS_MAEMO_5
  22 #include <QMaemo5ValueButton>
  23 #include <QMaemo5ListPickSelector>
  24 #endif
  25
  26 #include "connectdialog.h"
  27 #include "rfb/rfbclient.h"
  28
  29
  30 const QString LISTEN_FOR_INCOMING_CONNECTIONS_STRING = QObject::tr("Listen for Incoming Connections");
  31
  32 ConnectDialog::ConnectDialog(QWidget *parent):
  33         QDialog(parent),
  34         done(new QPushButton)
  35 {
  36         setWindowTitle(tr("Connect to VNC Server"));
  37         QSettings settings;
  38
  39         //read history
  40         settings.beginGroup("hosts");
  41         QStringList hostnames = settings.childGroups();
  42         QMap<int, QString> hosts_map; //use position as key
  43         foreach(QString hostname, hostnames) {
  44                 if(!settings.contains(hostname + "/position")) {
  45                         continue; //can happen when host was given as a command line argument, don't show those
  46                 }
  47
  48                 int position = settings.value(hostname + "/position").toInt();
  49                 hosts_map.insert(position, hostname);
  50         }
  51         hostnames_sorted = hosts_map.values(); //sorted by ascending position
  52         settings.endGroup();
  53
  54         //set up combobox
  55         hosts.addItems(hostnames_sorted);
  56         hosts.insertSeparator(hosts.count());
  57         hosts.addItem(QIcon("/usr/share/icons/hicolor/48x48/hildon/general_received.png"), LISTEN_FOR_INCOMING_CONNECTIONS_STRING);
  58         hosts.setEditable(true);
  59 #ifdef Q_WS_MAEMO_5
  60         hosts.lineEdit()->setInputMethodHints(Qt::ImhNoAutoUppercase); //somehow this doesn't work that well here
  61 #endif
  62         connect(&hosts, SIGNAL(editTextChanged(QString)),
  63                 this, SLOT(hostnameUpdated(QString)));
  64         layout.addWidget(&hosts);
  65
  66 #ifdef Q_WS_MAEMO_5
  67         QMaemo5ValueButton *quality = new QMaemo5ValueButton(tr("Quality"), this);
  68         quality_selector = new QMaemo5ListPickSelector(this);
  69         QStandardItemModel *model = new QStandardItemModel(0, 1, this);
  70         model->appendRow(new QStandardItem(tr("High\t\t(LAN)"))); //1
  71         model->appendRow(new QStandardItem(tr("Medium\t(DSL)"))); //2
  72         model->appendRow(new QStandardItem(tr("Low\t\t(ISDN)"))); //3
  73         quality_selector->setModel(model);
  74         quality->setPickSelector(quality_selector);
  75         quality->setValueLayout(QMaemo5ValueButton::ValueUnderText);
  76         quality->setMaximumWidth(120);
  77         layout.addWidget(quality);
  78
  79         hostnameUpdated(hosts.lineEdit()->text()); //get saved quality for last host, or 2
  80 #endif
  81
  82         done->setMaximumWidth(110);
  83         connect(done, SIGNAL(clicked()),
  84                 this, SLOT(accept()));
  85         layout.addWidget(done);
  86
  87         setLayout(&layout);
  88
  89         connect(this, SIGNAL(finished(int)),
  90                 this, SLOT(deleteLater()));
  91 }
  92
  93 void ConnectDialog::hostnameUpdated(QString newtext)
  94 {
  95         const int cursorpos = hosts.lineEdit()->cursorPosition();
  96
  97         const bool normal_entry = hosts.itemIcon(hosts.currentIndex()).isNull();
  98         done->setText(normal_entry ? tr("Connect") : tr("Listen"));
  99
 100         //unselect 'listen ...' entry if edited
 101         if(!normal_entry) {
 102                 if(newtext != LISTEN_FOR_INCOMING_CONNECTIONS_STRING) {
 103                         hosts.setCurrentIndex(-1);
 104                 } else {
 105                         return;
 106                 }
 107         }
 108
 109         //clean up hostname (we don't want / or \ in saved hostnames)
 110         newtext.remove(QChar('/'));
 111         newtext.remove(QChar('\\'));
 112         hosts.lineEdit()->setText(newtext);
 113         hosts.lineEdit()->setCursorPosition(cursorpos);
 114
 115 #ifdef Q_WS_MAEMO_5
 116         //saved quality setting available?
 117         QSettings settings;
 118         int quality = settings.value(QString("hosts/%1/quality").arg(hosts.lineEdit()->text()), 2).toInt();
 119         if(quality < 1 or quality > 3)
 120                 quality = 2;
 121         quality_selector->setCurrentIndex(quality-1);
 122 #endif
 123 }
 124
 125 void ConnectDialog::accept()
 126 {
 127         QDialog::accept();
 128
 129         QString selected_host = hosts.currentText();
 130         if(selected_host.isEmpty()) {
 131                 return;
 132         }
 133
 134 #ifdef Q_WS_MAEMO_5
 135         int quality = quality_selector->currentIndex() + 1;
 136 #else
 137         int quality = 2;
 138 #endif
 139
 140         QSettings settings;
 141         if(!hosts.itemIcon(hosts.currentIndex()).isNull()) {
 142                 int listen_port = settings.value("listen_port", LISTEN_PORT_OFFSET).toInt();
 143
 144 #if QT_VERSION >= 0x040500
 145                 //ask user if listen_port is correct
 146                 bool ok;
 147                 listen_port = QInputDialog::getInt(this,
 148                         tr("Listen for Incoming Connections"),
 149                         tr("Listen on Port:"),
 150                         listen_port, 1, 65535, //value, min, max
 151                         1, &ok);
 152 #else
 153                 bool ok = true;
 154 #endif
 155                 if(ok) {
 156                         settings.setValue("listen_port", listen_port);
 157                         emit connectToHost("", quality, listen_port);
 158                 }
 159                 return;
 160         }
 161
 162         settings.beginGroup("hosts");
 163         const bool new_item = !hostnames_sorted.contains(selected_host);
 164         const bool used_old_host = !new_item and hosts.currentIndex() > 0;
 165         //if both are false, we don't need to mess with positions
 166
 167         if(new_item or used_old_host) {
 168                 //put selected_host at the top
 169                 settings.setValue(QString("%1/position").arg(selected_host), 0);
 170
 171                 //don't create duplicates
 172                 if(used_old_host)
 173                         hostnames_sorted.removeAll(selected_host);
 174
 175                 //now rebuild list for positions >= 1
 176                 for(int i = 0; i < hostnames_sorted.size(); i++)
 177                         settings.setValue(QString("%1/position").arg(hostnames_sorted.at(i)), i+1);
 178         }
 179
 180 #ifdef Q_WS_MAEMO_5
 181         settings.setValue(QString("%1/quality").arg(selected_host), quality);
 182 #endif
 183
 184         settings.endGroup();
 185         settings.sync();
 186
 187         emit connectToHost(QString("vnc://%1").arg(selected_host), quality, 0);
 188 }