i18n support and German translation

Translation can be done with .ts-files in src/i18n/de.ts. The resulting .qm-files are stored as resources in the program binary.

build.sh has a new option --update-translations that causes the .ts files to be updated

4 files changed, 82 insertions, 5 deletions

diff --git a/src/dialog.cpp b/src/dialog.cpp
index 6a931ca..7ebfbcc 100644
--- a/src/dialog.cpp
+++ b/src/dialog.cpp
@@ -16,7 +16,7 @@ Dialog::Dialog(QWidget *parent) :
     if (ifaceDBus_->isValid()) {
         // PVS is running
         QStringList accessOptions;
-        accessOptions << "None" << "View Only" << "Full";
+        accessOptions << tr("None") << tr("View Only") << tr("Full");
         ui->comboBoxLecturer->insertItems(0, accessOptions);
         ui->comboBoxOthers->insertItems(0, accessOptions);
 
diff --git a/src/i18n/de.ts b/src/i18n/de.ts
new file mode 100644
index 0000000..b8063d6
--- /dev/null
+++ b/src/i18n/de.ts
@@ -0,0 +1,72 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE TS>
+<TS version="2.0" language="de">
+<context>
+    <name>Dialog</name>
+    <message>
+        <location filename="../ui/dialog.ui" line="14"/>
+        <source>vmchooser</source>
+        <translation>vmchooser</translation>
+    </message>
+    <message>
+        <location filename="../ui/dialog.ui" line="36"/>
+        <source>PVS Options</source>
+        <translation>PVS Einstellungen</translation>
+    </message>
+    <message>
+        <location filename="../ui/dialog.ui" line="44"/>
+        <source>VNC access by lecturer:</source>
+        <translation>VNC-Zugriff für Dozenten:</translation>
+    </message>
+    <message>
+        <location filename="../ui/dialog.ui" line="61"/>
+        <source>VNC access by others:</source>
+        <translation>VNC-Zugriff für andere:</translation>
+    </message>
+    <message>
+        <location filename="../ui/dialog.ui" line="102"/>
+        <source>Accept chat messages</source>
+        <translation>Chat-Nachrichten akzeptieren</translation>
+    </message>
+    <message>
+        <location filename="../ui/dialog.ui" line="109"/>
+        <source>Accept file transfers</source>
+        <translation>Dateiübertragungen akzeptieren</translation>
+    </message>
+    <message>
+        <location filename="../ui/dialog.ui" line="149"/>
+        <source>Abort</source>
+        <translation>Abbrechen</translation>
+    </message>
+    <message>
+        <location filename="../ui/dialog.ui" line="156"/>
+        <source>Start</source>
+        <translation>Start</translation>
+    </message>
+    <message>
+        <location filename="../dialog.cpp" line="19"/>
+        <source>None</source>
+        <translation>kein Zugriff</translation>
+    </message>
+    <message>
+        <location filename="../dialog.cpp" line="19"/>
+        <source>View Only</source>
+        <translation>nur ansehen</translation>
+    </message>
+    <message>
+        <location filename="../dialog.cpp" line="19"/>
+        <source>Full</source>
+        <translation>Vollzugriff</translation>
+    </message>
+    <message>
+        <location filename="../main.cpp" line="196"/>
+        <source>X Sessions</source>
+        <translation>X Sitzungen</translation>
+    </message>
+    <message>
+        <location filename="../main.cpp" line="197"/>
+        <source>Virtual Sessions</source>
+        <translation>Virtuelle Sitzungen</translation>
+    </message>
+</context>
+</TS>
diff --git a/src/main.cpp b/src/main.cpp
index 6766403..c44d362 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -3,6 +3,7 @@
 
 #include <iostream>
 #include <stdlib.h>
+#include <QTranslator>
 #include "save_restore_session.h"
 #include "xsession.h"
 #include "vsession.h"
@@ -18,6 +19,10 @@ using namespace std;
 int main(int argc, char *argv[]) {
     QApplication a(argc, argv);
 
+    QTranslator translator;
+    translator.load(":" + QLocale::system().name());
+    a.installTranslator(&translator);
+
   string version = "0.0.13";
   AnyOption* opt = new AnyOption();
   char* xmlpath = NULL;
@@ -188,8 +193,8 @@ int main(int argc, char *argv[]) {
   Dialog w;
   w.resize(width, height);
 
-  w.addItems(xsessions, "X Sessions");
-  w.addItems(vsessions, "Virtual Sessions");
+  w.addItems(xsessions, a.translate("Dialog", "X Sessions"));
+  w.addItems(vsessions, a.translate("Dialog", "Virtual Sessions"));
   w.selectPreviousSession();
   w.show();
   return a.exec();
diff --git a/src/ui/dialog.ui b/src/ui/dialog.ui
index fe03b5d..6594b63 100644
--- a/src/ui/dialog.ui
+++ b/src/ui/dialog.ui
@@ -11,7 +11,7 @@
    </rect>
   </property>
   <property name="windowTitle">
-   <string>Dialog</string>
+   <string>vmchooser</string>
   </property>
   <layout class="QVBoxLayout" name="verticalLayout">
    <item>
@@ -146,7 +146,7 @@
      <item>
       <widget class="QPushButton" name="pushButtonAbort">
        <property name="text">
-        <string>Abbrechen</string>
+        <string>Abort</string>
        </property>
       </widget>
      </item>