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