Export history to file

mainwindow.cc

@@ -2597,3 +2597,53 @@ static bool needHideSearchPane;
         ui.wordList->setUpdatesEnabled( true );
     }
 }
+
+void MainWindow::on_exportHistory_activated()
+{
+    QString fileName = QFileDialog::getSaveFileName( this, tr( "Export history to file" ),
+                                                     QDir::homePath(),
+                                                     tr( "Text files (*.txt);;All files (*.*)" ) );
+    if( fileName.size() == 0)
+        return;
+
+    QFile file( fileName );
+
+    for(;;)
+    {
+        if ( !file.open( QFile::WriteOnly | QIODevice::Text ) )
+          break;
+
+        // Write UTF-8 BOM
+        QByteArray line;
+        line.append( 0xEF ).append( 0xBB ).append( 0xBF );
+        if ( file.write( line ) != line.size() )
+          break;
+
+        // Write history
+        QList< History::Item > const & items = history.getItems();
+
+        QList< History::Item >::const_iterator i;
+        for( i = items.constBegin(); i != items.constEnd(); ++i )
+        {
+          line = i->word.toUtf8();
+
+          line.replace( '\n', ' ' );
+          line.replace( '\r', ' ' );
+
+          line += "\n";
+
+          if ( file.write( line ) != line.size() )
+            break;
+        }
+
+        if( i != items.constEnd() )
+          break;
+
+        file.close();
+        mainStatusBar->showMessage( tr( "History export complete" ), 5000 );
+        return;
+    }
+    QString errStr = QString( tr( "Export error: ") ) + file.errorString();
+    file.close();
+    mainStatusBar->showMessage( errStr, 10000, QPixmap( ":/icons/error.png" ) );
+}

mainwindow.hh

@@ -319,6 +319,7 @@ private slots:
   void on_rescanFiles_activated();
 
   void on_showHideHistory_activated();
+  void on_exportHistory_activated();
 };
 
 #endif

mainwindow.ui

@@ -115,6 +115,8 @@
      <string>H&amp;istory</string>
     </property>
     <addaction name="showHideHistory"/>
+    <addaction name="exportHistory"/>
+    <addaction name="separator"/>
     <addaction name="clearHistory"/>
    </widget>
    <addaction name="menuFile"/>
@@ -416,6 +418,11 @@
     <string>&amp;Show</string>
    </property>
   </action>
+  <action name="exportHistory">
+   <property name="text">
+    <string>&amp;Export</string>
+   </property>
+  </action>
  </widget>
  <customwidgets>
   <customwidget>