+ Proxy server configuration is now supported.

src/config.cc

@@ -36,6 +36,10 @@ namespace
   }
 }
 
+ProxyServer::ProxyServer(): enabled( false ), type( Socks5 ), port( 3128 )
+{
+}
+
 Preferences::Preferences():
   enableTrayIcon( true ),
   startToTray( false ),
@@ -187,6 +191,18 @@ Class load() throw( exError )
     c.preferences.startWithScanPopupOn = ( preferences.namedItem( "startWithScanPopupOn" ).toElement().text() == "1" );
     c.preferences.enableScanPopupModifiers = ( preferences.namedItem( "enableScanPopupModifiers" ).toElement().text() == "1" );
     c.preferences.scanPopupModifiers = ( preferences.namedItem( "scanPopupModifiers" ).toElement().text().toULong() );
+
+    QDomNode proxy = preferences.namedItem( "proxyserver" );
+
+    if ( !proxy.isNull() )
+    {
+      c.preferences.proxyServer.enabled = ( proxy.toElement().attribute( "enabled" ) == "1" );
+      c.preferences.proxyServer.type = ( ProxyServer::Type ) proxy.namedItem( "type" ).toElement().text().toULong();
+      c.preferences.proxyServer.host = proxy.namedItem( "host" ).toElement().text();
+      c.preferences.proxyServer.port = proxy.namedItem( "port" ).toElement().text().toULong();
+      c.preferences.proxyServer.user = proxy.namedItem( "user" ).toElement().text();
+      c.preferences.proxyServer.password = proxy.namedItem( "password" ).toElement().text();
+    }
   }
 
   c.lastMainGroup = root.namedItem( "lastMainGroup" ).toElement().text();
@@ -336,6 +352,35 @@ void save( Class const & c ) throw( exError )
     opt = dd.createElement( "scanPopupModifiers" );
     opt.appendChild( dd.createTextNode( QString::number( c.preferences.scanPopupModifiers ) ) );
     preferences.appendChild( opt );
+
+    {
+      QDomElement proxy = dd.createElement( "proxyserver" );
+      preferences.appendChild( proxy );
+
+      QDomAttr enabled = dd.createAttribute( "enabled" );
+      enabled.setValue( c.preferences.proxyServer.enabled ? "1" : "0" );
+      proxy.setAttributeNode( enabled );
+
+      opt = dd.createElement( "type" );
+      opt.appendChild( dd.createTextNode( QString::number( c.preferences.proxyServer.type ) ) );
+      proxy.appendChild( opt );
+
+      opt = dd.createElement( "host" );
+      opt.appendChild( dd.createTextNode( c.preferences.proxyServer.host ) );
+      proxy.appendChild( opt );
+
+      opt = dd.createElement( "port" );
+      opt.appendChild( dd.createTextNode( QString::number( c.preferences.proxyServer.port ) ) );
+      proxy.appendChild( opt );
+
+      opt = dd.createElement( "user" );
+      opt.appendChild( dd.createTextNode( c.preferences.proxyServer.user ) );
+      proxy.appendChild( opt );
+
+      opt = dd.createElement( "password" );
+      opt.appendChild( dd.createTextNode( c.preferences.proxyServer.password ) );
+      proxy.appendChild( opt );
+    }
   }
 
   {

src/config.hh

@@ -50,6 +50,25 @@ struct Group
 /// All the groups
 typedef vector< Group > Groups;
 
+/// Proxy server configuration
+struct ProxyServer
+{
+  bool enabled;
+
+  enum Type
+  {
+    Socks5 = 0,
+    HttpConnect,
+    HttpGet
+  } type;
+
+  QString host;
+  unsigned port;
+  QString user, password;
+
+  ProxyServer();
+};
+
 /// Various user preferences
 struct Preferences
 {
@@ -61,6 +80,8 @@ struct Preferences
   bool enableScanPopupModifiers;
   unsigned long scanPopupModifiers; // Combination of KeyboardState::Modifier
 
+  ProxyServer proxyServer;
+
   Preferences();
 };
 

src/mainwindow.cc

@@ -130,6 +130,8 @@ MainWindow::MainWindow():
   ui.translateLine->installEventFilter( this );
   ui.wordList->installEventFilter( this );
 
+  applyProxySettings();
+
   makeDictionaries();
 
   addNewTab();
@@ -276,6 +278,42 @@ void MainWindow::closeEvent( QCloseEvent * ev )
     ev->accept();
 }
 
+void MainWindow::applyProxySettings()
+{
+ QNetworkProxy proxy;
+
+ if ( cfg.preferences.proxyServer.enabled )
+ {
+   switch( cfg.preferences.proxyServer.type )
+   {
+     case Config::ProxyServer::Socks5:
+       proxy.setType( QNetworkProxy::Socks5Proxy );
+     break;
+     case Config::ProxyServer::HttpConnect:
+       proxy.setType( QNetworkProxy::HttpProxy );
+     break;
+     case Config::ProxyServer::HttpGet:
+       proxy.setType( QNetworkProxy::HttpCachingProxy );
+     break;
+     default:
+       proxy.setType( QNetworkProxy::NoProxy );
+   }
+
+   proxy.setHostName( cfg.preferences.proxyServer.host );
+   proxy.setPort( cfg.preferences.proxyServer.port );
+
+   if ( cfg.preferences.proxyServer.user.size() )
+     proxy.setUser( cfg.preferences.proxyServer.user );
+
+   if ( cfg.preferences.proxyServer.password.size() )
+     proxy.setPassword( cfg.preferences.proxyServer.password );
+ }
+ else
+   proxy.setType( QNetworkProxy::NoProxy );
+
+ QNetworkProxy::setApplicationProxy( proxy );
+}
+
 void MainWindow::makeDictionaries()
 {
   scanPopup.reset();
@@ -559,6 +597,7 @@ void MainWindow::editPreferences()
       enableScanPopup->setChecked( false );
     
     updateTrayIcon();
+    applyProxySettings();
     makeScanPopup();
     Config::save( cfg );
   }

src/mainwindow.hh

@@ -98,6 +98,7 @@ private:
 
   void closeEvent( QCloseEvent * );
 
+  void applyProxySettings();
   void makeDictionaries();
   void updateStatusLine();
   void updateGroupList();

src/preferences.cc

@@ -64,6 +64,22 @@ Preferences::Preferences( QWidget * parent, Config::Preferences const & p ):
   ui.leftShift->hide();
   ui.rightShift->hide();
 #endif
+
+  // Proxy server
+
+  ui.useProxyServer->setChecked( p.proxyServer.enabled );
+
+  ui.proxyType->addItem( "SOCKS5" );
+  ui.proxyType->addItem( "HTTP Transp." );
+  ui.proxyType->addItem( "HTTP Caching" );
+
+  ui.proxyType->setCurrentIndex( p.proxyServer.type );
+
+  ui.proxyHost->setText( p.proxyServer.host );
+  ui.proxyPort->setValue( p.proxyServer.port );
+
+  ui.proxyUser->setText( p.proxyServer.user );
+  ui.proxyPassword->setText( p.proxyServer.password );
 }
 
 Config::Preferences Preferences::getPreferences()
@@ -88,6 +104,16 @@ Config::Preferences Preferences::getPreferences()
   p.scanPopupModifiers += ui.leftShift->isChecked() ? KeyboardState::LeftShift: 0;
   p.scanPopupModifiers += ui.rightShift->isChecked() ? KeyboardState::RightShift: 0;
 
+  p.proxyServer.enabled = ui.useProxyServer->isChecked();
+
+  p.proxyServer.type = ( Config::ProxyServer::Type ) ui.proxyType->currentIndex();
+
+  p.proxyServer.host = ui.proxyHost->text();
+  p.proxyServer.port = ( unsigned ) ui.proxyPort->value();
+
+  p.proxyServer.user = ui.proxyUser->text();
+  p.proxyServer.password = ui.proxyPassword->text();
+
   return p;
 }
 

src/preferences.ui

@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>400</width>
-    <height>331</height>
+    <height>392</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -264,6 +264,94 @@ in the pressed state when the word selection changes.</string>
      </layout>
     </widget>
    </item>
+   <item>
+    <widget class="QGroupBox" name="useProxyServer">
+     <property name="toolTip">
+      <string>Enable if you wish to use a proxy server
+for all program's network requests.</string>
+     </property>
+     <property name="title">
+      <string>Use proxy server</string>
+     </property>
+     <property name="checkable">
+      <bool>true</bool>
+     </property>
+     <property name="checked">
+      <bool>false</bool>
+     </property>
+     <layout class="QVBoxLayout" name="verticalLayout_6">
+      <item>
+       <layout class="QHBoxLayout" name="horizontalLayout_3">
+        <item>
+         <widget class="QLabel" name="label">
+          <property name="text">
+           <string>Type:</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QComboBox" name="proxyType"/>
+        </item>
+        <item>
+         <widget class="QLabel" name="label_3">
+          <property name="text">
+           <string>Host:</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QLineEdit" name="proxyHost"/>
+        </item>
+        <item>
+         <widget class="QLabel" name="label_2">
+          <property name="text">
+           <string>Port:</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QSpinBox" name="proxyPort">
+          <property name="maximum">
+           <number>65535</number>
+          </property>
+          <property name="value">
+           <number>8080</number>
+          </property>
+         </widget>
+        </item>
+       </layout>
+      </item>
+      <item>
+       <layout class="QHBoxLayout" name="horizontalLayout_2">
+        <item>
+         <widget class="QLabel" name="label_4">
+          <property name="text">
+           <string>User:</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QLineEdit" name="proxyUser"/>
+        </item>
+        <item>
+         <widget class="QLabel" name="label_5">
+          <property name="text">
+           <string>Password:</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QLineEdit" name="proxyPassword">
+          <property name="echoMode">
+           <enum>QLineEdit::Password</enum>
+          </property>
+         </widget>
+        </item>
+       </layout>
+      </item>
+     </layout>
+    </widget>
+   </item>
    <item>
     <spacer name="verticalSpacer">
      <property name="orientation">