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         //listen mode selected
 134         int listen_port = settings.value("listen_port", LISTEN_PORT_OFFSET).toInt();
 135
 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
 144         if(ok) {
 145             settings.setValue("listen_port", listen_port);
 146             emit connectToHost("", quality, listen_port, viewonly.isChecked());
 147         }
 148         return;
 149     }
 150
 151     settings.beginGroup("hosts");
 152     const bool new_item = !hostnames_sorted.contains(selected_host);
 153     const bool used_old_host = !new_item and hosts.currentIndex() > 0;
 154     //if both are false, we don't need to mess with positions
 155
 156     if(new_item or used_old_host) {
 157         //put selected_host at the top
 158         settings.setValue(QString("%1/position").arg(selected_host), 0);
 159
 160         //don't create duplicates
 161         if(used_old_host)
 162             hostnames_sorted.removeAll(selected_host);
 163
 164         //now rebuild list for positions >= 1
 165         for(int i = 0; i < hostnames_sorted.size(); i++)
 166             settings.setValue(QString("%1/position").arg(hostnames_sorted.at(i)), i+1);
 167     }
 168
 169     settings.setValue(QString("%1/quality").arg(selected_host), quality);
 170     settings.setValue(QString("%1/viewonly").arg(selected_host), viewonly.isChecked());
 171
 172     settings.endGroup();
 173     settings.sync();
 174
 175     //listen_port = 0 is ignored
 176     emit connectToHost(QString("vnc://%1").arg(selected_host), quality, 0, viewonly.isChecked());
 177 }