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