vcs.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
  20 #include "connectdialog.h"
  21 #include "rfb/rfbclient.h"
  22
  23 #include <QtGui>
  24
  25 #ifdef Q_WS_MAEMO_5
  26 #include <QMaemo5ValueButton>
  27 #include <QMaemo5ListPickSelector>
  28 #endif
  29
  30
  31 const QString LISTEN_FOR_INCOMING_CONNECTIONS_STRING = QObject::tr("Listen for incoming connections");
  32
  33 ConnectDialog::ConnectDialog(QWidget *parent):
  34         QDialog(parent),
  35         done(new QPushButton)
  36 {
  37         setWindowTitle(tr("Connect to VNC Server"));
  38         QSettings settings;
  39
  40         //read history
  41         settings.beginGroup("hosts");
  42         QStringList hostnames = settings.childGroups();
  43         QMap<int, QString> hosts_map; //use position as key
  44         foreach(QString hostname, hostnames) {
  45                 if(!settings.contains(hostname + "/position")) {
  46                         continue; //can happen when host was given as a command line argument, don't show those
  47                 }
  48
  49                 int position = settings.value(hostname + "/position").toInt();
  50                 hosts_map.insert(position, hostname);
  51         }
  52         hostnames_sorted = hosts_map.values(); //sorted by ascending position
  53         settings.endGroup();
  54
  55         //set up combobox
  56         hosts.addItems(hostnames_sorted);
  57         hosts.insertSeparator(hosts.count());
  58         hosts.addItem(QIcon("/usr/share/icons/hicolor/48x48/hildon/general_received.png"), LISTEN_FOR_INCOMING_CONNECTIONS_STRING);
  59         hosts.setEditable(true);
  60 #ifdef Q_WS_MAEMO_5
  61         hosts.lineEdit()->setInputMethodHints(Qt::ImhNoAutoUppercase); //somehow this doesn't work that well here
  62 #endif
  63         connect(&hosts, SIGNAL(editTextChanged(QString)),
  64                 this, SLOT(hostnameUpdated(QString)));
  65         layout.addWidget(&hosts);
  66
  67 #ifdef Q_WS_MAEMO_5
  68         QMaemo5ValueButton *quality = new QMaemo5ValueButton(tr("Quality"), this);
  69         quality_selector = new QMaemo5ListPickSelector(this);
  70         QStandardItemModel *model = new QStandardItemModel(0, 1, this);
  71         model->appendRow(new QStandardItem(tr("High\t\t(LAN)"))); //1
  72         model->appendRow(new QStandardItem(tr("Medium\t(DSL)"))); //2
  73         model->appendRow(new QStandardItem(tr("Low\t\t(ISDN)"))); //3
  74         quality_selector->setModel(model);
  75         quality->setPickSelector(quality_selector);
  76         quality->setValueLayout(QMaemo5ValueButton::ValueUnderText);
  77         quality->setMaximumWidth(120);
  78         layout.addWidget(quality);
  79 #else
  80         //combobox numbering starts from 0, so currentIndex() == quality-1
  81         quality_combobox.addItem(tr("High quality (LAN)")); //1
  82         quality_combobox.addItem(tr("Medium quality (DSL)")); //2
  83         quality_combobox.addItem(tr("Low quality (ISDN)")); //3
  84         //quality_combobox.setMaximumWidth(120);
  85         layout.addWidget(&quality_combobox);
  86 #endif
  87
  88         hostnameUpdated(hosts.lineEdit()->text()); //get saved quality for last host, or 2
  89
  90         done->setText(tr("Connect"));
  91         done->setMaximumWidth(110);
  92         connect(done, SIGNAL(clicked()),
  93                 this, SLOT(accept()));
  94         layout.addWidget(done);
  95
  96         setLayout(&layout);
  97
  98         connect(this, SIGNAL(finished(int)),
  99                 this, SLOT(deleteLater()));
 100 }
 101
 102 void ConnectDialog::hostnameUpdated(QString newtext)
 103 {
 104         const int cursorpos = hosts.lineEdit()->cursorPosition();
 105
 106         const bool normal_entry = hosts.itemIcon(hosts.currentIndex()).isNull();
 107         done->setText(normal_entry ? tr("Connect") : tr("Listen"));
 108
 109         //unselect 'listen ...' entry if edited
 110         if(!normal_entry) {
 111                 if(newtext != LISTEN_FOR_INCOMING_CONNECTIONS_STRING) {
 112                         hosts.setCurrentIndex(-1);
 113                 } else {
 114                         return;
 115                 }
 116         }
 117
 118         //clean up hostname (we don't want / or \ in saved hostnames)
 119         newtext.remove(QChar('/'));
 120         newtext.remove(QChar('\\'));
 121         hosts.lineEdit()->setText(newtext);
 122         hosts.lineEdit()->setCursorPosition(cursorpos);
 123
 124         //saved quality setting available?
 125         QSettings settings;
 126         int quality = settings.value(QString("hosts/%1/quality").arg(hosts.lineEdit()->text()), 2).toInt();
 127         if(quality < 1 or quality > 3)
 128                 quality = 2;
 129 #ifdef Q_WS_MAEMO_5
 130         quality_selector->setCurrentIndex(quality-1);
 131 #else
 132         quality_combobox.setCurrentIndex(quality-1);
 133 #endif
 134 }
 135
 136 void ConnectDialog::accept()
 137 {
 138         QDialog::accept();
 139
 140         QString selected_host = hosts.currentText();
 141         if(selected_host.isEmpty()) {
 142                 return;
 143         }
 144
 145 #ifdef Q_WS_MAEMO_5
 146         int quality = quality_selector->currentIndex() + 1;
 147 #else
 148         int quality = quality_combobox.currentIndex() + 1;
 149 #endif
 150
 151         QSettings settings;
 152         if(!hosts.itemIcon(hosts.currentIndex()).isNull()) {
 153                 int listen_port = settings.value("listen_port", LISTEN_PORT_OFFSET).toInt();
 154
 155 #if QT_VERSION >= 0x040500
 156                 //ask user if listen_port is correct
 157                 bool ok;
 158                 listen_port = QInputDialog::getInt(this,
 159                         tr("Listen for Incoming Connections"),
 160                         tr("Listen on Port:"),
 161                         listen_port, 1, 65535, //value, min, max
 162                         1, &ok);
 163 #else
 164                 bool ok = true;
 165 #endif
 166                 if(ok) {
 167                         settings.setValue("listen_port", listen_port);
 168                         emit connectToHost("", quality, listen_port);
 169                 }
 170                 return;
 171         }
 172
 173         settings.beginGroup("hosts");
 174         const bool new_item = !hostnames_sorted.contains(selected_host);
 175         const bool used_old_host = !new_item and hosts.currentIndex() > 0;
 176         //if both are false, we don't need to mess with positions
 177
 178         if(new_item or used_old_host) {
 179                 //put selected_host at the top
 180                 settings.setValue(QString("%1/position").arg(selected_host), 0);
 181
 182                 //don't create duplicates
 183                 if(used_old_host)
 184                         hostnames_sorted.removeAll(selected_host);
 185
 186                 //now rebuild list for positions >= 1
 187                 for(int i = 0; i < hostnames_sorted.size(); i++)
 188                         settings.setValue(QString("%1/position").arg(hostnames_sorted.at(i)), i+1);
 189         }
 190
 191 #ifdef Q_WS_MAEMO_5
 192         settings.setValue(QString("%1/quality").arg(selected_host), quality);
 193 #endif
 194
 195         settings.endGroup();
 196         settings.sync();
 197
 198         emit connectToHost(QString("vnc://%1").arg(selected_host), quality, 0);
 199 }