added undo to edit menu and updated language files

git-svn-id: http://cpunk.de/svn/src/gpg4usb/trunk@344 34ebc366-c3a9-4b3c-9f84-69acf7962910

8 files changed, 537 insertions, 410 deletions

diff --git a/gpgwin.cpp b/gpgwin.cpp
index 7d9c789..e485d3a 100644
--- a/gpgwin.cpp
+++ b/gpgwin.cpp
@@ -134,6 +134,11 @@ void GpgWin::createActions()
 
     /** Edit Menu
      */
+    undoAct = new QAction(tr("&Undo"), this);
+    undoAct->setShortcut(QKeySequence::Undo);
+    undoAct->setToolTip(tr("Undo Last Edit Action"));
+    connect(undoAct, SIGNAL(triggered()), edit, SLOT(undo()));
+
     pasteAct = new QAction(tr("&Paste"), this);
     pasteAct->setIcon(QIcon(iconPath + "button_paste.png"));
     pasteAct->setShortcut(QKeySequence::Paste);
@@ -241,6 +246,7 @@ void GpgWin::createMenus()
     fileMenu->addAction(quitAct);
 
     editMenu = menuBar()->addMenu(tr("&Edit"));
+    editMenu->addAction(undoAct);
     editMenu->addAction(copyAct);
     editMenu->addAction(cutAct);
     editMenu->addAction(pasteAct);
diff --git a/gpgwin.h b/gpgwin.h
index de351df..ce91926 100644
--- a/gpgwin.h
+++ b/gpgwin.h
@@ -129,6 +129,7 @@ private:
     QAction *cutAct;
     QAction *pasteAct;
     QAction *selectallAct;
+	QAction *undoAct;
     QAction *aboutAct;
     QAction *fileEncryptionAct;
     QAction *openSettingsAct;
diff --git a/release/ts/gpg4usb_de.ts b/release/ts/gpg4usb_de.ts
index 6367f9d..f1242eb 100644
--- a/release/ts/gpg4usb_de.ts
+++ b/release/ts/gpg4usb_de.ts
@@ -45,23 +45,23 @@
         <translation type="obsolete">Konnte Datei nicht öffnen:</translation>
     </message>
     <message>
-        <location filename="../../attachments.cpp" line="76"/>
-        <location filename="../../attachments.cpp" line="104"/>
+        <location filename="../../attachments.cpp" line="77"/>
+        <location filename="../../attachments.cpp" line="105"/>
         <source>Save File</source>
         <translation type="unfinished">Datei Speichern</translation>
     </message>
     <message>
-        <location filename="../../attachments.cpp" line="77"/>
+        <location filename="../../attachments.cpp" line="78"/>
         <source>Save this file</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../attachments.cpp" line="110"/>
+        <location filename="../../attachments.cpp" line="111"/>
         <source>File</source>
         <translation>Datei</translation>
     </message>
     <message>
-        <location filename="../../attachments.cpp" line="111"/>
+        <location filename="../../attachments.cpp" line="112"/>
         <source>Cannot write file %1:
 %2.</source>
         <translation>Konnte Datei nicht schreiben %1:
@@ -214,7 +214,7 @@
         <translation>Beende das Programm</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="137"/>
+        <location filename="../../gpgwin.cpp" line="142"/>
         <source>&amp;Paste</source>
         <translation>E&amp;infügen</translation>
     </message>
@@ -223,12 +223,12 @@
         <translation type="obsolete">Strg+V</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="140"/>
+        <location filename="../../gpgwin.cpp" line="145"/>
         <source>Paste Text From Clipboard</source>
         <translation>Füge Text aus der Zwischenablage ein</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="143"/>
+        <location filename="../../gpgwin.cpp" line="148"/>
         <source>Cu&amp;t</source>
         <translation>&amp;Ausschneiden</translation>
     </message>
@@ -237,12 +237,12 @@
         <translation type="obsolete">Strg+X</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="146"/>
+        <location filename="../../gpgwin.cpp" line="151"/>
         <source>Cut the current selection&apos;s contents to the clipboard</source>
         <translation>aktuelle Auswahl ausschneiden und in Zwischenablage einfügen</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="150"/>
+        <location filename="../../gpgwin.cpp" line="155"/>
         <source>&amp;Copy</source>
         <translation>&amp;Kopieren</translation>
     </message>
@@ -251,27 +251,27 @@
         <translation type="obsolete">Strg+C</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="153"/>
+        <location filename="../../gpgwin.cpp" line="158"/>
         <source>Copy the current selection&apos;s contents to the clipboard</source>
         <translation>aktuelle Auswahl in Zwischenablage kopieren</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="157"/>
+        <location filename="../../gpgwin.cpp" line="162"/>
         <source>Select &amp;All</source>
         <translation>Alles &amp;markieren</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="160"/>
+        <location filename="../../gpgwin.cpp" line="165"/>
         <source>Select the whole text</source>
         <translation>Den ganzen Text markieren</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="164"/>
+        <location filename="../../gpgwin.cpp" line="169"/>
         <source>Open settings dialog</source>
         <translation>Öffne den Einstellungsdialog</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="170"/>
+        <location filename="../../gpgwin.cpp" line="175"/>
         <source>&amp;Encrypt</source>
         <translation>&amp;Verschlüsseln</translation>
     </message>
@@ -280,12 +280,12 @@
         <translation type="obsolete">Ctrl+E</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="173"/>
+        <location filename="../../gpgwin.cpp" line="178"/>
         <source>Encrypt Message</source>
         <translation>Verschlüssele den Text</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="176"/>
+        <location filename="../../gpgwin.cpp" line="181"/>
         <source>&amp;Decrypt</source>
         <translation>&amp;Entschlüsseln</translation>
     </message>
@@ -294,180 +294,200 @@
         <translation type="obsolete">Ctrl+D</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="179"/>
+        <location filename="../../gpgwin.cpp" line="184"/>
         <source>Decrypt Message</source>
         <translation>Entschlüssele den Text</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="191"/>
+        <location filename="../../gpgwin.cpp" line="196"/>
         <source>Import New Key From File</source>
         <translation>Importiere einen neuen Schlüssel aus Datei</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="196"/>
+        <location filename="../../gpgwin.cpp" line="201"/>
         <source>Import New Key From Editor</source>
         <translation>Importiere einen neuen Schlüssel aus dem Textfeld</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="216"/>
+        <location filename="../../gpgwin.cpp" line="221"/>
         <source>&amp;About</source>
         <translation>&amp;Info</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="218"/>
+        <location filename="../../gpgwin.cpp" line="223"/>
         <source>Show the application&apos;s About box</source>
         <translation>Zeige die Information über die Anwendung</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="189"/>
-        <location filename="../../gpgwin.cpp" line="230"/>
-        <location filename="../../gpgwin.cpp" line="616"/>
+        <location filename="../../gpgwin.cpp" line="194"/>
+        <location filename="../../gpgwin.cpp" line="240"/>
+        <location filename="../../gpgwin.cpp" line="632"/>
         <source>&amp;File</source>
         <translation>&amp;Datei</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="238"/>
+        <location filename="../../gpgwin.cpp" line="248"/>
         <source>&amp;Edit</source>
         <translation>&amp;Bearbeiten</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="261"/>
+        <location filename="../../gpgwin.cpp" line="272"/>
         <source>&amp;Help</source>
         <translation>&amp;Hilfe</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="434"/>
+        <location filename="../../gpgwin.cpp" line="446"/>
         <source>File</source>
         <translation>Datei</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="278"/>
+        <location filename="../../gpgwin.cpp" line="290"/>
         <source>Edit</source>
         <translation>Bearbeiten</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="163"/>
+        <location filename="../../gpgwin.cpp" line="137"/>
+        <source>&amp;Undo</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../gpgwin.cpp" line="139"/>
+        <source>Undo Last Edit Action</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../gpgwin.cpp" line="168"/>
         <source>Se&amp;ttings</source>
         <translation>Ei&amp;nstellungen</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="182"/>
+        <location filename="../../gpgwin.cpp" line="187"/>
         <source>&amp;File Encryption</source>
         <translatorcomment>Datei Verschlüsselung</translatorcomment>
         <translation>&amp;Datei Verschlüsselung</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="184"/>
+        <location filename="../../gpgwin.cpp" line="189"/>
         <source>Encrypt/Decrypt File</source>
         <translation>Ver-/Entschlüssele Datei</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="204"/>
+        <location filename="../../gpgwin.cpp" line="209"/>
         <source>Key Management</source>
         <translation>Schlüsselverwaltung</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="206"/>
+        <location filename="../../gpgwin.cpp" line="211"/>
         <source>Open Keymanagement</source>
         <translation>Öffne die Schlüsselverwaltung</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="211"/>
+        <location filename="../../gpgwin.cpp" line="216"/>
         <source>Open Import New Key Dialog</source>
         <translation>Öffne den Schlüsselimport Dialog</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="223"/>
+        <location filename="../../gpgwin.cpp" line="226"/>
+        <source>Online &amp;Tutorial</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../gpgwin.cpp" line="228"/>
+        <source>Open Online Tutorial</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../gpgwin.cpp" line="233"/>
         <source>Append Selected Key(s) To Text</source>
         <translation>Hänge die ausgewählten Schlüssel an den Text an</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="224"/>
+        <location filename="../../gpgwin.cpp" line="234"/>
         <source>Append The Selected Keys To Text in Editor</source>
         <translation>Hänge den gewählten Schhlüssel an den Text im Editor an</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="251"/>
+        <location filename="../../gpgwin.cpp" line="262"/>
         <source>&amp;Keys</source>
         <translation>Sch&amp;lüssel</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="252"/>
+        <location filename="../../gpgwin.cpp" line="263"/>
         <source>&amp;Import Key From...</source>
         <translation>&amp;Importiere Schlüssel aus...</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="259"/>
+        <location filename="../../gpgwin.cpp" line="270"/>
         <source>&amp;View</source>
         <translation>&amp;Ansicht</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="273"/>
+        <location filename="../../gpgwin.cpp" line="285"/>
         <source>Key</source>
         <translation>Schlüssel</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="287"/>
-        <location filename="../../gpgwin.cpp" line="460"/>
+        <location filename="../../gpgwin.cpp" line="299"/>
+        <location filename="../../gpgwin.cpp" line="472"/>
         <source>Ready</source>
         <translation>Fertig</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="294"/>
+        <location filename="../../gpgwin.cpp" line="306"/>
         <source>Encrypt for:</source>
         <translation>Verschlüssele für:</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="302"/>
+        <location filename="../../gpgwin.cpp" line="314"/>
         <source>Attached files:</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="379"/>
-        <location filename="../../gpgwin.cpp" line="419"/>
+        <location filename="../../gpgwin.cpp" line="391"/>
+        <location filename="../../gpgwin.cpp" line="431"/>
         <source>Application</source>
         <translation>Anwendung</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="380"/>
+        <location filename="../../gpgwin.cpp" line="392"/>
         <source>Cannot read file %1:
 %2.</source>
         <translation>Kann Datei nicht lesen %1: %2.</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="392"/>
+        <location filename="../../gpgwin.cpp" line="404"/>
         <source>File loaded</source>
         <translation>Datei geladen</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="407"/>
+        <location filename="../../gpgwin.cpp" line="419"/>
         <source>%1[*] - %2</source>
         <translation></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="420"/>
+        <location filename="../../gpgwin.cpp" line="432"/>
         <source>The document has been modified.
 Do you want to save your changes?</source>
         <translation>Die Datei würde verändert. Möchten Sie die Änderung speichern?</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="435"/>
+        <location filename="../../gpgwin.cpp" line="447"/>
         <source>Cannot write file %1:
 %2.</source>
         <translation>Kann Datei nicht lesen %1: %2.</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="444"/>
+        <location filename="../../gpgwin.cpp" line="456"/>
         <source>Saved &apos;%1&apos;</source>
         <translation>%1 gespeichert</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="469"/>
+        <location filename="../../gpgwin.cpp" line="481"/>
         <source>&lt;center&gt;This Application allows you to do simple&lt;br&gt;encryption/decryption of your text-message or file.&lt;br&gt;It&apos;s licensed under the GPL v2.0&lt;br&gt;&lt;br&gt;&lt;b&gt;Developer:&lt;/b&gt;&lt;br&gt;Bene, Heimer, Juergen, Nils, Ubbo&lt;br&gt;&lt;br&gt;&lt;b&gt;Translation:&lt;/b&gt;&lt;br&gt;Alessandro (pt_br), Alex (fr), Kirill (ru), Viriato (es)&lt;br&gt;&lt;br&gt;If you have any questions and/or&lt;br&gt;suggestions, contact us at&lt;br&gt;gpg4usb at cpunk.de&lt;/a&gt;&lt;br&gt;&lt;br&gt;or feel free to meet us in our xmpp-channel:&lt;br&gt;gpg4usb at conference.jabber.ccc.de&lt;/center&gt;</source>
         <translation>&lt;center&gt;Diese Anwendung ermöglicht einfaches&lt;br&gt;Ver- und Entschlüsseln von Texten und Dateien.&lt;br&gt;Sie steht unter der GPL v2.0&lt;br&gt;&lt;br&gt;&lt;b&gt;Entwickler:&lt;/b&gt;&lt;br&gt;Bene, Heimer, Juergen, Nils, Ubbo&lt;br&gt;&lt;br&gt;&lt;b&gt;Übersetzung:&lt;/b&gt;&lt;br&gt;Alessandro (pt_br), Alex (fr), Kirill (ru), Viriato (es)&lt;br&gt;&lt;br&gt;Falls Sie irgendwelche Fragen und/oder &lt;br&gt;Vorschläge haben, kontaktieren Sie uns über&lt;br&gt;gpg4usb at cpunk.de&lt;/a&gt;&lt;br&gt;&lt;br&gt;oder treffen sie uns einfach in unserem XMPP-Channel:&lt;br&gt;gpg4usb at conference.jabber.ccc.de&lt;/center&gt;</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="579"/>
+        <location filename="../../gpgwin.cpp" line="595"/>
         <source>Open Key</source>
         <translation>Öffne Datei</translation>
     </message>
@@ -476,45 +496,45 @@ Do you want to save your changes?</source>
         <translation type="obsolete">&lt;center&gt;Diese Anwendung erlaubt das einfache&lt;br&gt; Ver-und Entschlüsseln von Texten und Dateien.&lt;br&gt;Die Anwendung ist lizensiert unter der GPL v2.0&lt;br&gt;&lt;br&gt;&lt;b&gt;Entwickler:&lt;/b&gt;&lt;br&gt;Bene, Heimer, Juergen, Nils, Ubbo&lt;br&gt;&lt;br&gt;&lt;b&gt;Übersetzung:&lt;/b&gt;&lt;br&gt;Kirill (ru), Alessandro (pt)&lt;br&gt;&lt;br&gt;Falls sie Fragen oder Anregungen haben,&lt;br&gt; kontaktieren sie uns unter gpg4usb at cpunk.de&lt;/a&gt;&lt;br&gt;&lt;br&gt;oder treffen sie uns in unserem XMPP-Channel:&lt;br&gt;gpg4usb at conference.jabber.ccc.de&lt;/center&gt;</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="583"/>
+        <location filename="../../gpgwin.cpp" line="599"/>
         <source>couldn&apos;t open file: </source>
         <translation>Konnte Datei nicht öffnen:</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="194"/>
-        <location filename="../../gpgwin.cpp" line="617"/>
+        <location filename="../../gpgwin.cpp" line="199"/>
+        <location filename="../../gpgwin.cpp" line="633"/>
         <source>&amp;Editor</source>
         <translation>&amp;Editor</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="199"/>
-        <location filename="../../gpgwin.cpp" line="618"/>
+        <location filename="../../gpgwin.cpp" line="204"/>
+        <location filename="../../gpgwin.cpp" line="634"/>
         <source>&amp;Clipboard</source>
         <translation>&amp;Zwischenablage</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="201"/>
+        <location filename="../../gpgwin.cpp" line="206"/>
         <source>Import New Key From Clipboard</source>
         <translation>Importiere neuen Schlüssel aus der Zwischenablage</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="209"/>
-        <location filename="../../gpgwin.cpp" line="607"/>
+        <location filename="../../gpgwin.cpp" line="214"/>
+        <location filename="../../gpgwin.cpp" line="623"/>
         <source>Import Key</source>
         <translation>Schlüsselimport</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="245"/>
+        <location filename="../../gpgwin.cpp" line="256"/>
         <source>&amp;Crypt</source>
         <translation>&amp;Crypt</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="267"/>
+        <location filename="../../gpgwin.cpp" line="279"/>
         <source>Crypt</source>
         <translation>Crypt</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="466"/>
+        <location filename="../../gpgwin.cpp" line="478"/>
         <source>About </source>
         <translation>Über</translation>
     </message>
@@ -523,17 +543,17 @@ Do you want to save your changes?</source>
         <translation type="obsolete">&lt;center&gt;Diese Anwendung ermöglicht einfaches&lt;br&gt;Ver- und Entschlüsseln von Texten und Dateien.&lt;br&gt;Sie steht unter der GPL v2.0&lt;br&gt;&lt;br&gt;&lt;b&gt;Entwickler:&lt;/b&gt;&lt;br&gt;Bene, Heimer, Juergen, Nils, Ubbo&lt;br&gt;&lt;br&gt;&lt;b&gt;Übersetzung:&lt;/b&gt;&lt;br&gt;Alessandro (pt_br), Alex (fr), Kirill (ru), Viriato (es)&lt;br&gt;&lt;br&gt;Falls Sie irgendwelche Fragen und/oder &lt;br&gt;Vorschläge haben, kontaktieren Sie uns über&lt;br&gt;gpg4usb at cpunk.de&lt;/a&gt;&lt;br&gt;&lt;br&gt;oder treffen sie uns einfach in unserem XMPP-Channel:&lt;br&gt;gpg4usb at conference.jabber.ccc.de&lt;/center&gt;</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="579"/>
+        <location filename="../../gpgwin.cpp" line="595"/>
         <source>Key Files</source>
         <translation>Schlüssel Dateien</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="579"/>
+        <location filename="../../gpgwin.cpp" line="595"/>
         <source>All Files</source>
         <translation>Alle Dateien</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="615"/>
+        <location filename="../../gpgwin.cpp" line="631"/>
         <source>Import Key From...</source>
         <translation>Impoertiere neuen Schlüssel aus...</translation>
     </message>
diff --git a/release/ts/gpg4usb_en.ts b/release/ts/gpg4usb_en.ts
index 3babccf..514e025 100644
--- a/release/ts/gpg4usb_en.ts
+++ b/release/ts/gpg4usb_en.ts
@@ -17,23 +17,23 @@
 <context>
     <name>Attachments</name>
     <message>
-        <location filename="../../attachments.cpp" line="76"/>
-        <location filename="../../attachments.cpp" line="104"/>
+        <location filename="../../attachments.cpp" line="77"/>
+        <location filename="../../attachments.cpp" line="105"/>
         <source>Save File</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../attachments.cpp" line="77"/>
+        <location filename="../../attachments.cpp" line="78"/>
         <source>Save this file</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../attachments.cpp" line="110"/>
+        <location filename="../../attachments.cpp" line="111"/>
         <source>File</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../attachments.cpp" line="111"/>
+        <location filename="../../attachments.cpp" line="112"/>
         <source>Cannot write file %1:
 %2.</source>
         <translation type="unfinished"></translation>
@@ -158,296 +158,316 @@
     </message>
     <message>
         <location filename="../../gpgwin.cpp" line="137"/>
+        <source>&amp;Undo</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../gpgwin.cpp" line="139"/>
+        <source>Undo Last Edit Action</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../gpgwin.cpp" line="142"/>
         <source>&amp;Paste</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="140"/>
+        <location filename="../../gpgwin.cpp" line="145"/>
         <source>Paste Text From Clipboard</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="143"/>
+        <location filename="../../gpgwin.cpp" line="148"/>
         <source>Cu&amp;t</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="146"/>
+        <location filename="../../gpgwin.cpp" line="151"/>
         <source>Cut the current selection&apos;s contents to the clipboard</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="150"/>
+        <location filename="../../gpgwin.cpp" line="155"/>
         <source>&amp;Copy</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="153"/>
+        <location filename="../../gpgwin.cpp" line="158"/>
         <source>Copy the current selection&apos;s contents to the clipboard</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="157"/>
+        <location filename="../../gpgwin.cpp" line="162"/>
         <source>Select &amp;All</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="160"/>
+        <location filename="../../gpgwin.cpp" line="165"/>
         <source>Select the whole text</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="164"/>
+        <location filename="../../gpgwin.cpp" line="169"/>
         <source>Open settings dialog</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="170"/>
+        <location filename="../../gpgwin.cpp" line="175"/>
         <source>&amp;Encrypt</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="173"/>
+        <location filename="../../gpgwin.cpp" line="178"/>
         <source>Encrypt Message</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="176"/>
+        <location filename="../../gpgwin.cpp" line="181"/>
         <source>&amp;Decrypt</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="179"/>
+        <location filename="../../gpgwin.cpp" line="184"/>
         <source>Decrypt Message</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="182"/>
+        <location filename="../../gpgwin.cpp" line="187"/>
         <source>&amp;File Encryption</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="184"/>
+        <location filename="../../gpgwin.cpp" line="189"/>
         <source>Encrypt/Decrypt File</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="191"/>
+        <location filename="../../gpgwin.cpp" line="196"/>
         <source>Import New Key From File</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="196"/>
+        <location filename="../../gpgwin.cpp" line="201"/>
         <source>Import New Key From Editor</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="204"/>
+        <location filename="../../gpgwin.cpp" line="209"/>
         <source>Key Management</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="206"/>
+        <location filename="../../gpgwin.cpp" line="211"/>
         <source>Open Keymanagement</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="211"/>
+        <location filename="../../gpgwin.cpp" line="216"/>
         <source>Open Import New Key Dialog</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="216"/>
+        <location filename="../../gpgwin.cpp" line="221"/>
         <source>&amp;About</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="218"/>
+        <location filename="../../gpgwin.cpp" line="223"/>
         <source>Show the application&apos;s About box</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="189"/>
-        <location filename="../../gpgwin.cpp" line="230"/>
-        <location filename="../../gpgwin.cpp" line="616"/>
+        <location filename="../../gpgwin.cpp" line="194"/>
+        <location filename="../../gpgwin.cpp" line="240"/>
+        <location filename="../../gpgwin.cpp" line="632"/>
         <source>&amp;File</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="238"/>
+        <location filename="../../gpgwin.cpp" line="248"/>
         <source>&amp;Edit</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="261"/>
+        <location filename="../../gpgwin.cpp" line="272"/>
         <source>&amp;Help</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="434"/>
+        <location filename="../../gpgwin.cpp" line="446"/>
         <source>File</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="223"/>
+        <location filename="../../gpgwin.cpp" line="233"/>
         <source>Append Selected Key(s) To Text</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="163"/>
+        <location filename="../../gpgwin.cpp" line="168"/>
         <source>Se&amp;ttings</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="224"/>
+        <location filename="../../gpgwin.cpp" line="226"/>
+        <source>Online &amp;Tutorial</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../gpgwin.cpp" line="228"/>
+        <source>Open Online Tutorial</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../gpgwin.cpp" line="234"/>
         <source>Append The Selected Keys To Text in Editor</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="251"/>
+        <location filename="../../gpgwin.cpp" line="262"/>
         <source>&amp;Keys</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="252"/>
+        <location filename="../../gpgwin.cpp" line="263"/>
         <source>&amp;Import Key From...</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="259"/>
+        <location filename="../../gpgwin.cpp" line="270"/>
         <source>&amp;View</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="287"/>
-        <location filename="../../gpgwin.cpp" line="460"/>
+        <location filename="../../gpgwin.cpp" line="299"/>
+        <location filename="../../gpgwin.cpp" line="472"/>
         <source>Ready</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="294"/>
+        <location filename="../../gpgwin.cpp" line="306"/>
         <source>Encrypt for:</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="302"/>
+        <location filename="../../gpgwin.cpp" line="314"/>
         <source>Attached files:</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="379"/>
-        <location filename="../../gpgwin.cpp" line="419"/>
+        <location filename="../../gpgwin.cpp" line="391"/>
+        <location filename="../../gpgwin.cpp" line="431"/>
         <source>Application</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="380"/>
+        <location filename="../../gpgwin.cpp" line="392"/>
         <source>Cannot read file %1:
 %2.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="392"/>
+        <location filename="../../gpgwin.cpp" line="404"/>
         <source>File loaded</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="407"/>
+        <location filename="../../gpgwin.cpp" line="419"/>
         <source>%1[*] - %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="420"/>
+        <location filename="../../gpgwin.cpp" line="432"/>
         <source>The document has been modified.
 Do you want to save your changes?</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="435"/>
+        <location filename="../../gpgwin.cpp" line="447"/>
         <source>Cannot write file %1:
 %2.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="444"/>
+        <location filename="../../gpgwin.cpp" line="456"/>
         <source>Saved &apos;%1&apos;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="579"/>
+        <location filename="../../gpgwin.cpp" line="595"/>
         <source>Open Key</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="579"/>
+        <location filename="../../gpgwin.cpp" line="595"/>
         <source>Key Files</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="579"/>
+        <location filename="../../gpgwin.cpp" line="595"/>
         <source>All Files</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="583"/>
+        <location filename="../../gpgwin.cpp" line="599"/>
         <source>couldn&apos;t open file: </source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="194"/>
-        <location filename="../../gpgwin.cpp" line="617"/>
+        <location filename="../../gpgwin.cpp" line="199"/>
+        <location filename="../../gpgwin.cpp" line="633"/>
         <source>&amp;Editor</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="199"/>
-        <location filename="../../gpgwin.cpp" line="618"/>
+        <location filename="../../gpgwin.cpp" line="204"/>
+        <location filename="../../gpgwin.cpp" line="634"/>
         <source>&amp;Clipboard</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="201"/>
+        <location filename="../../gpgwin.cpp" line="206"/>
         <source>Import New Key From Clipboard</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="209"/>
-        <location filename="../../gpgwin.cpp" line="607"/>
+        <location filename="../../gpgwin.cpp" line="214"/>
+        <location filename="../../gpgwin.cpp" line="623"/>
         <source>Import Key</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="245"/>
+        <location filename="../../gpgwin.cpp" line="256"/>
         <source>&amp;Crypt</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="267"/>
+        <location filename="../../gpgwin.cpp" line="279"/>
         <source>Crypt</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="273"/>
+        <location filename="../../gpgwin.cpp" line="285"/>
         <source>Key</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="278"/>
+        <location filename="../../gpgwin.cpp" line="290"/>
         <source>Edit</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="466"/>
+        <location filename="../../gpgwin.cpp" line="478"/>
         <source>About </source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="469"/>
+        <location filename="../../gpgwin.cpp" line="481"/>
         <source>&lt;center&gt;This Application allows you to do simple&lt;br&gt;encryption/decryption of your text-message or file.&lt;br&gt;It&apos;s licensed under the GPL v2.0&lt;br&gt;&lt;br&gt;&lt;b&gt;Developer:&lt;/b&gt;&lt;br&gt;Bene, Heimer, Juergen, Nils, Ubbo&lt;br&gt;&lt;br&gt;&lt;b&gt;Translation:&lt;/b&gt;&lt;br&gt;Alessandro (pt_br), Alex (fr), Kirill (ru), Viriato (es)&lt;br&gt;&lt;br&gt;If you have any questions and/or&lt;br&gt;suggestions, contact us at&lt;br&gt;gpg4usb at cpunk.de&lt;/a&gt;&lt;br&gt;&lt;br&gt;or feel free to meet us in our xmpp-channel:&lt;br&gt;gpg4usb at conference.jabber.ccc.de&lt;/center&gt;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="615"/>
+        <location filename="../../gpgwin.cpp" line="631"/>
         <source>Import Key From...</source>
         <translation type="unfinished"></translation>
     </message>
diff --git a/release/ts/gpg4usb_es.ts b/release/ts/gpg4usb_es.ts
index f98b293..5a97f74 100644
--- a/release/ts/gpg4usb_es.ts
+++ b/release/ts/gpg4usb_es.ts
@@ -21,23 +21,23 @@
         <translation type="obsolete">no se pudo abrir el archivo:</translation>
     </message>
     <message>
-        <location filename="../../attachments.cpp" line="76"/>
-        <location filename="../../attachments.cpp" line="104"/>
+        <location filename="../../attachments.cpp" line="77"/>
+        <location filename="../../attachments.cpp" line="105"/>
         <source>Save File</source>
         <translation type="unfinished">Guardar Archivo</translation>
     </message>
     <message>
-        <location filename="../../attachments.cpp" line="77"/>
+        <location filename="../../attachments.cpp" line="78"/>
         <source>Save this file</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../attachments.cpp" line="110"/>
+        <location filename="../../attachments.cpp" line="111"/>
         <source>File</source>
         <translation type="unfinished">Archivo</translation>
     </message>
     <message>
-        <location filename="../../attachments.cpp" line="111"/>
+        <location filename="../../attachments.cpp" line="112"/>
         <source>Cannot write file %1:
 %2.</source>
         <translation type="unfinished"></translation>
@@ -179,6 +179,16 @@
     </message>
     <message>
         <location filename="../../gpgwin.cpp" line="137"/>
+        <source>&amp;Undo</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../gpgwin.cpp" line="139"/>
+        <source>Undo Last Edit Action</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../gpgwin.cpp" line="142"/>
         <source>&amp;Paste</source>
         <translation>&amp;Pegar</translation>
     </message>
@@ -187,12 +197,12 @@
         <translation type="obsolete">Crtl+V</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="140"/>
+        <location filename="../../gpgwin.cpp" line="145"/>
         <source>Paste Text From Clipboard</source>
         <translation>Pegar Texto desde Portapapeles</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="143"/>
+        <location filename="../../gpgwin.cpp" line="148"/>
         <source>Cu&amp;t</source>
         <translation>Corta&amp;r</translation>
     </message>
@@ -201,12 +211,12 @@
         <translation type="obsolete">Crtl+X</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="146"/>
+        <location filename="../../gpgwin.cpp" line="151"/>
         <source>Cut the current selection&apos;s contents to the clipboard</source>
         <translation>Cortar contenido seleccion actual al portapapeles</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="150"/>
+        <location filename="../../gpgwin.cpp" line="155"/>
         <source>&amp;Copy</source>
         <translation>&amp;Copiar</translation>
     </message>
@@ -215,12 +225,12 @@
         <translation type="obsolete">Crtl+C</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="153"/>
+        <location filename="../../gpgwin.cpp" line="158"/>
         <source>Copy the current selection&apos;s contents to the clipboard</source>
         <translation>Copiar contenido seleccion actual al portapapeles</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="157"/>
+        <location filename="../../gpgwin.cpp" line="162"/>
         <source>Select &amp;All</source>
         <translation>Seleccionar &amp;Todo</translation>
     </message>
@@ -229,22 +239,22 @@
         <translation type="obsolete">Crtl+A</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="160"/>
+        <location filename="../../gpgwin.cpp" line="165"/>
         <source>Select the whole text</source>
         <translation>Seleccionar todo el texto</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="163"/>
+        <location filename="../../gpgwin.cpp" line="168"/>
         <source>Se&amp;ttings</source>
         <translation>Con&amp;figuracion</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="164"/>
+        <location filename="../../gpgwin.cpp" line="169"/>
         <source>Open settings dialog</source>
         <translation>Abrir dialogo configuracion</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="170"/>
+        <location filename="../../gpgwin.cpp" line="175"/>
         <source>&amp;Encrypt</source>
         <translation>&amp;Cifrar</translation>
     </message>
@@ -253,12 +263,12 @@
         <translation type="obsolete">Crtl+E</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="173"/>
+        <location filename="../../gpgwin.cpp" line="178"/>
         <source>Encrypt Message</source>
         <translation>Cifrar Mensaje</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="176"/>
+        <location filename="../../gpgwin.cpp" line="181"/>
         <source>&amp;Decrypt</source>
         <translation>&amp;Descifrar</translation>
     </message>
@@ -267,210 +277,220 @@
         <translation type="obsolete">Crtl+D</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="179"/>
+        <location filename="../../gpgwin.cpp" line="184"/>
         <source>Decrypt Message</source>
         <translation>Descifrar Mensaje</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="182"/>
+        <location filename="../../gpgwin.cpp" line="187"/>
         <source>&amp;File Encryption</source>
         <translation>&amp;Cifrado Archivo</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="184"/>
+        <location filename="../../gpgwin.cpp" line="189"/>
         <source>Encrypt/Decrypt File</source>
         <translation>Cifrar / Descifrar Archivo</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="189"/>
-        <location filename="../../gpgwin.cpp" line="230"/>
-        <location filename="../../gpgwin.cpp" line="616"/>
+        <location filename="../../gpgwin.cpp" line="194"/>
+        <location filename="../../gpgwin.cpp" line="240"/>
+        <location filename="../../gpgwin.cpp" line="632"/>
         <source>&amp;File</source>
         <translation>&amp;Archivo</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="191"/>
+        <location filename="../../gpgwin.cpp" line="196"/>
         <source>Import New Key From File</source>
         <translation>Importar Nueva Llave Desde Archivo</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="194"/>
-        <location filename="../../gpgwin.cpp" line="617"/>
+        <location filename="../../gpgwin.cpp" line="199"/>
+        <location filename="../../gpgwin.cpp" line="633"/>
         <source>&amp;Editor</source>
         <translation>&amp;Editor</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="196"/>
+        <location filename="../../gpgwin.cpp" line="201"/>
         <source>Import New Key From Editor</source>
         <translation>Importar Nueva Llave Desde Editor</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="199"/>
-        <location filename="../../gpgwin.cpp" line="618"/>
+        <location filename="../../gpgwin.cpp" line="204"/>
+        <location filename="../../gpgwin.cpp" line="634"/>
         <source>&amp;Clipboard</source>
         <translation>&amp;Portapapeles</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="201"/>
+        <location filename="../../gpgwin.cpp" line="206"/>
         <source>Import New Key From Clipboard</source>
         <translation>Importar Nueva Llave Desde Portapapeles</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="204"/>
+        <location filename="../../gpgwin.cpp" line="209"/>
         <source>Key Management</source>
         <translation>Administar Llaves</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="206"/>
+        <location filename="../../gpgwin.cpp" line="211"/>
         <source>Open Keymanagement</source>
         <translation>Abrir Administrar Llaves</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="209"/>
-        <location filename="../../gpgwin.cpp" line="607"/>
+        <location filename="../../gpgwin.cpp" line="214"/>
+        <location filename="../../gpgwin.cpp" line="623"/>
         <source>Import Key</source>
         <translation>Importar Llave</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="211"/>
+        <location filename="../../gpgwin.cpp" line="216"/>
         <source>Open Import New Key Dialog</source>
         <translation>Abrir Dialogo Importar Nueva Llave</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="216"/>
+        <location filename="../../gpgwin.cpp" line="221"/>
         <source>&amp;About</source>
         <translation>&amp;Acerca de</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="218"/>
+        <location filename="../../gpgwin.cpp" line="223"/>
         <source>Show the application&apos;s About box</source>
         <translation>Mostrar caja Acerca de programa</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="223"/>
+        <location filename="../../gpgwin.cpp" line="226"/>
+        <source>Online &amp;Tutorial</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../gpgwin.cpp" line="228"/>
+        <source>Open Online Tutorial</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../gpgwin.cpp" line="233"/>
         <source>Append Selected Key(s) To Text</source>
         <translation>Adjuntar Llave(s) Seleccionadas Al Texto</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="224"/>
+        <location filename="../../gpgwin.cpp" line="234"/>
         <source>Append The Selected Keys To Text in Editor</source>
         <translation>Adjuntar Llaves Seleccionadas Al Texto en Editor</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="238"/>
+        <location filename="../../gpgwin.cpp" line="248"/>
         <source>&amp;Edit</source>
         <translation>&amp;Editar</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="245"/>
+        <location filename="../../gpgwin.cpp" line="256"/>
         <source>&amp;Crypt</source>
         <translation>&amp;Cifrar</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="251"/>
+        <location filename="../../gpgwin.cpp" line="262"/>
         <source>&amp;Keys</source>
         <translation>&amp;Llaves</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="252"/>
+        <location filename="../../gpgwin.cpp" line="263"/>
         <source>&amp;Import Key From...</source>
         <translation>&amp;Importar Llave Desde...</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="259"/>
+        <location filename="../../gpgwin.cpp" line="270"/>
         <source>&amp;View</source>
         <translation>&amp;Ver</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="261"/>
+        <location filename="../../gpgwin.cpp" line="272"/>
         <source>&amp;Help</source>
         <translation>&amp;Ayuda</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="267"/>
+        <location filename="../../gpgwin.cpp" line="279"/>
         <source>Crypt</source>
         <translation>Cifrar</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="273"/>
+        <location filename="../../gpgwin.cpp" line="285"/>
         <source>Key</source>
         <translation>Llave</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="278"/>
+        <location filename="../../gpgwin.cpp" line="290"/>
         <source>Edit</source>
         <translation>Editar</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="287"/>
-        <location filename="../../gpgwin.cpp" line="460"/>
+        <location filename="../../gpgwin.cpp" line="299"/>
+        <location filename="../../gpgwin.cpp" line="472"/>
         <source>Ready</source>
         <translation>Listo</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="294"/>
+        <location filename="../../gpgwin.cpp" line="306"/>
         <source>Encrypt for:</source>
         <translation>Cifrar para:</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="302"/>
+        <location filename="../../gpgwin.cpp" line="314"/>
         <source>Attached files:</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="379"/>
-        <location filename="../../gpgwin.cpp" line="419"/>
+        <location filename="../../gpgwin.cpp" line="391"/>
+        <location filename="../../gpgwin.cpp" line="431"/>
         <source>Application</source>
         <translation>Programa</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="380"/>
+        <location filename="../../gpgwin.cpp" line="392"/>
         <source>Cannot read file %1:
 %2.</source>
         <translation>No puedo leer archivo %1:
 %2.</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="392"/>
+        <location filename="../../gpgwin.cpp" line="404"/>
         <source>File loaded</source>
         <translation>Archivo cargado</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="407"/>
+        <location filename="../../gpgwin.cpp" line="419"/>
         <source>%1[*] - %2</source>
         <translation>%1[*] - %2</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="420"/>
+        <location filename="../../gpgwin.cpp" line="432"/>
         <source>The document has been modified.
 Do you want to save your changes?</source>
         <translation>El documento ha sido modificado.
 Quiere usted guardar los cambios?</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="434"/>
+        <location filename="../../gpgwin.cpp" line="446"/>
         <source>File</source>
         <translation>Archivo</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="435"/>
+        <location filename="../../gpgwin.cpp" line="447"/>
         <source>Cannot write file %1:
 %2.</source>
         <translation>No puedo escribir archivo %1:
 %2.</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="444"/>
+        <location filename="../../gpgwin.cpp" line="456"/>
         <source>Saved &apos;%1&apos;</source>
         <translation>Guardado &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="466"/>
+        <location filename="../../gpgwin.cpp" line="478"/>
         <source>About </source>
         <translation>Acerca de&apos;</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="469"/>
+        <location filename="../../gpgwin.cpp" line="481"/>
         <source>&lt;center&gt;This Application allows you to do simple&lt;br&gt;encryption/decryption of your text-message or file.&lt;br&gt;It&apos;s licensed under the GPL v2.0&lt;br&gt;&lt;br&gt;&lt;b&gt;Developer:&lt;/b&gt;&lt;br&gt;Bene, Heimer, Juergen, Nils, Ubbo&lt;br&gt;&lt;br&gt;&lt;b&gt;Translation:&lt;/b&gt;&lt;br&gt;Alessandro (pt_br), Alex (fr), Kirill (ru), Viriato (es)&lt;br&gt;&lt;br&gt;If you have any questions and/or&lt;br&gt;suggestions, contact us at&lt;br&gt;gpg4usb at cpunk.de&lt;/a&gt;&lt;br&gt;&lt;br&gt;or feel free to meet us in our xmpp-channel:&lt;br&gt;gpg4usb at conference.jabber.ccc.de&lt;/center&gt;</source>
         <translation type="unfinished"></translation>
     </message>
@@ -479,27 +499,27 @@ Quiere usted guardar los cambios?</translation>
         <translation type="obsolete">&lt;center&gt;Este Programa le permite hacer un facil&lt;br&gt;cifrado/descifrado de sus mensajes de texto o archivos.&lt;br&gt;Esta licenciado bajo el GPL v2.0&lt;br&gt;&lt;br&gt;&lt;b&gt;Programadores:&lt;/b&gt;&lt;br&gt;Bene, Heimer, Juergen, Nils, Ubbo&lt;br&gt;&lt;br&gt;&lt;b&gt;Traduccion:&lt;/b&gt;&lt;br&gt;Alessandro (pt_br), Alex (fr), Kirill (ru), Viriato13 (es)&lt;br&gt;&lt;br&gt;Si usted tiene alguna pregunta y/ o &lt;br&gt;sugerencia, contacte con nosotros en&lt;br&gt;gpg4usb en cpunk.de&lt;/a&gt;&lt;br&gt;&lt;br&gt;o puede encontrarnos en nuestro xmpp-channel:&lt;br&gt;gpg4usb en conference.jabber.ccc.de&lt;/center&gt;</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="579"/>
+        <location filename="../../gpgwin.cpp" line="595"/>
         <source>Open Key</source>
         <translation>Abrir Llave</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="579"/>
+        <location filename="../../gpgwin.cpp" line="595"/>
         <source>Key Files</source>
         <translation>Archivos de Llaves</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="579"/>
+        <location filename="../../gpgwin.cpp" line="595"/>
         <source>All Files</source>
         <translation>Todos Archivos</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="583"/>
+        <location filename="../../gpgwin.cpp" line="599"/>
         <source>couldn&apos;t open file: </source>
         <translation>no se pudo abrir el archivo:</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="615"/>
+        <location filename="../../gpgwin.cpp" line="631"/>
         <source>Import Key From...</source>
         <translation>Importar Llave Desde...</translation>
     </message>
diff --git a/release/ts/gpg4usb_fr.ts b/release/ts/gpg4usb_fr.ts
index ef52ee3..e992d65 100644
--- a/release/ts/gpg4usb_fr.ts
+++ b/release/ts/gpg4usb_fr.ts
@@ -21,23 +21,23 @@
         <translation type="obsolete">Fichier non-ouvrable:</translation>
     </message>
     <message>
-        <location filename="../../attachments.cpp" line="76"/>
-        <location filename="../../attachments.cpp" line="104"/>
+        <location filename="../../attachments.cpp" line="77"/>
+        <location filename="../../attachments.cpp" line="105"/>
         <source>Save File</source>
         <translation type="unfinished">Enregistrer fichier</translation>
     </message>
     <message>
-        <location filename="../../attachments.cpp" line="77"/>
+        <location filename="../../attachments.cpp" line="78"/>
         <source>Save this file</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../attachments.cpp" line="110"/>
+        <location filename="../../attachments.cpp" line="111"/>
         <source>File</source>
         <translation type="unfinished">Fichier</translation>
     </message>
     <message>
-        <location filename="../../attachments.cpp" line="111"/>
+        <location filename="../../attachments.cpp" line="112"/>
         <source>Cannot write file %1:
 %2.</source>
         <translation type="unfinished"></translation>
@@ -170,273 +170,293 @@
     </message>
     <message>
         <location filename="../../gpgwin.cpp" line="137"/>
+        <source>&amp;Undo</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../gpgwin.cpp" line="139"/>
+        <source>Undo Last Edit Action</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../gpgwin.cpp" line="142"/>
         <source>&amp;Paste</source>
         <translation>&amp;Coller</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="140"/>
+        <location filename="../../gpgwin.cpp" line="145"/>
         <source>Paste Text From Clipboard</source>
         <translation>Coller depuis le presse-papiers</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="143"/>
+        <location filename="../../gpgwin.cpp" line="148"/>
         <source>Cu&amp;t</source>
         <translation>Cou&amp;per</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="146"/>
+        <location filename="../../gpgwin.cpp" line="151"/>
         <source>Cut the current selection&apos;s contents to the clipboard</source>
         <translation>Couper et ajouter dans le presse papiers</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="150"/>
+        <location filename="../../gpgwin.cpp" line="155"/>
         <source>&amp;Copy</source>
         <translation>&amp;Copier</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="153"/>
+        <location filename="../../gpgwin.cpp" line="158"/>
         <source>Copy the current selection&apos;s contents to the clipboard</source>
         <translation>Copier et ajouter dans le presse papiers</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="157"/>
+        <location filename="../../gpgwin.cpp" line="162"/>
         <source>Select &amp;All</source>
         <translation>Selectionner &amp;tout</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="160"/>
+        <location filename="../../gpgwin.cpp" line="165"/>
         <source>Select the whole text</source>
         <translation>Selectionner tout le texte</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="163"/>
+        <location filename="../../gpgwin.cpp" line="168"/>
         <source>Se&amp;ttings</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="164"/>
+        <location filename="../../gpgwin.cpp" line="169"/>
         <source>Open settings dialog</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="170"/>
+        <location filename="../../gpgwin.cpp" line="175"/>
         <source>&amp;Encrypt</source>
         <translation>&amp;Crypter</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="173"/>
+        <location filename="../../gpgwin.cpp" line="178"/>
         <source>Encrypt Message</source>
         <translation>Crypter message</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="176"/>
+        <location filename="../../gpgwin.cpp" line="181"/>
         <source>&amp;Decrypt</source>
         <translation>&amp;Decrypter</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="179"/>
+        <location filename="../../gpgwin.cpp" line="184"/>
         <source>Decrypt Message</source>
         <translation>Decrypter message</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="182"/>
+        <location filename="../../gpgwin.cpp" line="187"/>
         <source>&amp;File Encryption</source>
         <translation>Cryptage du &amp;fichier</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="184"/>
+        <location filename="../../gpgwin.cpp" line="189"/>
         <source>Encrypt/Decrypt File</source>
         <translation>Crypter/Decrypter fichier</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="189"/>
-        <location filename="../../gpgwin.cpp" line="230"/>
-        <location filename="../../gpgwin.cpp" line="616"/>
+        <location filename="../../gpgwin.cpp" line="194"/>
+        <location filename="../../gpgwin.cpp" line="240"/>
+        <location filename="../../gpgwin.cpp" line="632"/>
         <source>&amp;File</source>
         <translatorcomment>&amp;Fichier</translatorcomment>
         <translation></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="191"/>
+        <location filename="../../gpgwin.cpp" line="196"/>
         <source>Import New Key From File</source>
         <translation>Importer nouvelle cle depuis le fichier</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="194"/>
-        <location filename="../../gpgwin.cpp" line="617"/>
+        <location filename="../../gpgwin.cpp" line="199"/>
+        <location filename="../../gpgwin.cpp" line="633"/>
         <source>&amp;Editor</source>
         <translation>&amp;Editeur</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="196"/>
+        <location filename="../../gpgwin.cpp" line="201"/>
         <source>Import New Key From Editor</source>
         <translation>Importer nouvelle cle depuis l&apos;editeur</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="199"/>
-        <location filename="../../gpgwin.cpp" line="618"/>
+        <location filename="../../gpgwin.cpp" line="204"/>
+        <location filename="../../gpgwin.cpp" line="634"/>
         <source>&amp;Clipboard</source>
         <translation>&amp;Presse papiers</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="201"/>
+        <location filename="../../gpgwin.cpp" line="206"/>
         <source>Import New Key From Clipboard</source>
         <translation>Importer nouvelle cle depuis le presse papiers</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="204"/>
+        <location filename="../../gpgwin.cpp" line="209"/>
         <source>Key Management</source>
         <translation>gestion des cles</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="206"/>
+        <location filename="../../gpgwin.cpp" line="211"/>
         <source>Open Keymanagement</source>
         <translation>Ouvrir le gestionaire des cles</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="209"/>
-        <location filename="../../gpgwin.cpp" line="607"/>
+        <location filename="../../gpgwin.cpp" line="214"/>
+        <location filename="../../gpgwin.cpp" line="623"/>
         <source>Import Key</source>
         <translation>Importer cles</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="211"/>
+        <location filename="../../gpgwin.cpp" line="216"/>
         <source>Open Import New Key Dialog</source>
         <translation>Ouvrir la fenetre d&apos;import de nouvelle cle</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="267"/>
+        <location filename="../../gpgwin.cpp" line="226"/>
+        <source>Online &amp;Tutorial</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../gpgwin.cpp" line="228"/>
+        <source>Open Online Tutorial</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../gpgwin.cpp" line="279"/>
         <source>Crypt</source>
         <translation type="unfinished">Crypt-Toolbar</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="273"/>
+        <location filename="../../gpgwin.cpp" line="285"/>
         <source>Key</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="278"/>
+        <location filename="../../gpgwin.cpp" line="290"/>
         <source>Edit</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="302"/>
+        <location filename="../../gpgwin.cpp" line="314"/>
         <source>Attached files:</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="469"/>
+        <location filename="../../gpgwin.cpp" line="481"/>
         <source>&lt;center&gt;This Application allows you to do simple&lt;br&gt;encryption/decryption of your text-message or file.&lt;br&gt;It&apos;s licensed under the GPL v2.0&lt;br&gt;&lt;br&gt;&lt;b&gt;Developer:&lt;/b&gt;&lt;br&gt;Bene, Heimer, Juergen, Nils, Ubbo&lt;br&gt;&lt;br&gt;&lt;b&gt;Translation:&lt;/b&gt;&lt;br&gt;Alessandro (pt_br), Alex (fr), Kirill (ru), Viriato (es)&lt;br&gt;&lt;br&gt;If you have any questions and/or&lt;br&gt;suggestions, contact us at&lt;br&gt;gpg4usb at cpunk.de&lt;/a&gt;&lt;br&gt;&lt;br&gt;or feel free to meet us in our xmpp-channel:&lt;br&gt;gpg4usb at conference.jabber.ccc.de&lt;/center&gt;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="216"/>
+        <location filename="../../gpgwin.cpp" line="221"/>
         <source>&amp;About</source>
         <translation>&amp;A propos</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="218"/>
+        <location filename="../../gpgwin.cpp" line="223"/>
         <source>Show the application&apos;s About box</source>
         <translation>Afficher la fenetre d&apos;information</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="223"/>
+        <location filename="../../gpgwin.cpp" line="233"/>
         <source>Append Selected Key(s) To Text</source>
         <translation>joindre les cles selectionees au texte</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="224"/>
+        <location filename="../../gpgwin.cpp" line="234"/>
         <source>Append The Selected Keys To Text in Editor</source>
         <translation>joindre les cles selectionees au texte dans l&apos;editeur</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="238"/>
+        <location filename="../../gpgwin.cpp" line="248"/>
         <source>&amp;Edit</source>
         <translatorcomment>bla</translatorcomment>
         <translation></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="245"/>
+        <location filename="../../gpgwin.cpp" line="256"/>
         <source>&amp;Crypt</source>
         <translation>&amp;Crypter</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="251"/>
+        <location filename="../../gpgwin.cpp" line="262"/>
         <source>&amp;Keys</source>
         <translation>&amp;Cles</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="252"/>
+        <location filename="../../gpgwin.cpp" line="263"/>
         <source>&amp;Import Key From...</source>
         <translation>&amp;Importer une cle depuis...</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="259"/>
+        <location filename="../../gpgwin.cpp" line="270"/>
         <source>&amp;View</source>
         <translation>&amp;Affichage</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="261"/>
+        <location filename="../../gpgwin.cpp" line="272"/>
         <source>&amp;Help</source>
         <translation>&amp;Aide</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="287"/>
-        <location filename="../../gpgwin.cpp" line="460"/>
+        <location filename="../../gpgwin.cpp" line="299"/>
+        <location filename="../../gpgwin.cpp" line="472"/>
         <source>Ready</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="294"/>
+        <location filename="../../gpgwin.cpp" line="306"/>
         <source>Encrypt for:</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="379"/>
-        <location filename="../../gpgwin.cpp" line="419"/>
+        <location filename="../../gpgwin.cpp" line="391"/>
+        <location filename="../../gpgwin.cpp" line="431"/>
         <source>Application</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="380"/>
+        <location filename="../../gpgwin.cpp" line="392"/>
         <source>Cannot read file %1:
 %2.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="392"/>
+        <location filename="../../gpgwin.cpp" line="404"/>
         <source>File loaded</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="407"/>
+        <location filename="../../gpgwin.cpp" line="419"/>
         <source>%1[*] - %2</source>
         <translation></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="420"/>
+        <location filename="../../gpgwin.cpp" line="432"/>
         <source>The document has been modified.
 Do you want to save your changes?</source>
         <translation>Le document a ete modifie. Voulez-vous enregistrer les modifications?</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="434"/>
+        <location filename="../../gpgwin.cpp" line="446"/>
         <source>File</source>
         <translation>Fichier</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="435"/>
+        <location filename="../../gpgwin.cpp" line="447"/>
         <source>Cannot write file %1:
 %2.</source>
         <translation>Fichier protege en ecriture %1: %2.</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="444"/>
+        <location filename="../../gpgwin.cpp" line="456"/>
         <source>Saved &apos;%1&apos;</source>
         <translation>Fichiers enregistres &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="466"/>
+        <location filename="../../gpgwin.cpp" line="478"/>
         <source>About </source>
         <translation>A propos </translation>
     </message>
@@ -445,27 +465,27 @@ Do you want to save your changes?</source>
         <translation type="obsolete">&lt;center&gt;Cette application vous permet de crypter ou decrypter&lt;br&gt; simplement votre texte-message ou fichier.&lt;br&gt; Logiciel libre v2.0&lt;br&gt; &lt;b&gt;Developpeurs:&lt;/b&gt;  Bene, Heimer, Juergen, Nils, Ubbo&lt;br&gt;&lt;br&gt;&lt;b&gt;  Traduction:&lt;/b&gt;&lt;br&gt;Kirill (ru), Axel (fr)&lt;br&gt;&lt;br&gt;  Si vous avez questions ou propositions, &lt;br&gt;contactez nous sur notre email &lt;br&gt;gpgusb at cpunk.de&lt;/a&gt; ou par xmpp-chat &lt;br&gt;gpg4usb at conference.jabber.ccc.de&lt;/center&gt;</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="579"/>
+        <location filename="../../gpgwin.cpp" line="595"/>
         <source>Open Key</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="579"/>
+        <location filename="../../gpgwin.cpp" line="595"/>
         <source>Key Files</source>
         <translation type="unfinished">Fichiers des cles</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="579"/>
+        <location filename="../../gpgwin.cpp" line="595"/>
         <source>All Files</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="583"/>
+        <location filename="../../gpgwin.cpp" line="599"/>
         <source>couldn&apos;t open file: </source>
         <translation type="unfinished">Fichier non-ouvrable:</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="615"/>
+        <location filename="../../gpgwin.cpp" line="631"/>
         <source>Import Key From...</source>
         <translation type="unfinished"></translation>
     </message>
diff --git a/release/ts/gpg4usb_pt_BR.ts b/release/ts/gpg4usb_pt_BR.ts
index 0b6bc1b..778091a 100644
--- a/release/ts/gpg4usb_pt_BR.ts
+++ b/release/ts/gpg4usb_pt_BR.ts
@@ -17,23 +17,23 @@
 <context>
     <name>Attachments</name>
     <message>
-        <location filename="../../attachments.cpp" line="76"/>
-        <location filename="../../attachments.cpp" line="104"/>
+        <location filename="../../attachments.cpp" line="77"/>
+        <location filename="../../attachments.cpp" line="105"/>
         <source>Save File</source>
         <translation type="unfinished">Salvar Arquivo</translation>
     </message>
     <message>
-        <location filename="../../attachments.cpp" line="77"/>
+        <location filename="../../attachments.cpp" line="78"/>
         <source>Save this file</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../attachments.cpp" line="110"/>
+        <location filename="../../attachments.cpp" line="111"/>
         <source>File</source>
         <translation type="unfinished">Arquivo</translation>
     </message>
     <message>
-        <location filename="../../attachments.cpp" line="111"/>
+        <location filename="../../attachments.cpp" line="112"/>
         <source>Cannot write file %1:
 %2.</source>
         <translation type="unfinished"></translation>
@@ -186,7 +186,7 @@
         <translation>Sair</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="137"/>
+        <location filename="../../gpgwin.cpp" line="142"/>
         <source>&amp;Paste</source>
         <translatorcomment>i used this without accelerator &amp; to avoid confusion with windows native paste (ctrl+v)</translatorcomment>
         <translation>Colar</translation>
@@ -196,12 +196,12 @@
         <translation type="obsolete">Ctrl+V</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="140"/>
+        <location filename="../../gpgwin.cpp" line="145"/>
         <source>Paste Text From Clipboard</source>
         <translation>Colar Texto da Área de Transferência</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="143"/>
+        <location filename="../../gpgwin.cpp" line="148"/>
         <source>Cu&amp;t</source>
         <translatorcomment>i used this without accelerator &amp; to avoid confusion with native windows cut ctrl+x</translatorcomment>
         <translation>Recortar</translation>
@@ -211,12 +211,12 @@
         <translation type="obsolete">Ctrl+X</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="146"/>
+        <location filename="../../gpgwin.cpp" line="151"/>
         <source>Cut the current selection&apos;s contents to the clipboard</source>
         <translation>Recortar a seleção atual para a Área de Transferência</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="150"/>
+        <location filename="../../gpgwin.cpp" line="155"/>
         <source>&amp;Copy</source>
         <translation>&amp;Copiar</translation>
     </message>
@@ -225,32 +225,32 @@
         <translation type="obsolete">Ctrl+C</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="153"/>
+        <location filename="../../gpgwin.cpp" line="158"/>
         <source>Copy the current selection&apos;s contents to the clipboard</source>
         <translation>Copiar a seleção para a área de transferência</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="157"/>
+        <location filename="../../gpgwin.cpp" line="162"/>
         <source>Select &amp;All</source>
         <translation>Selecionar &amp;Tudo</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="160"/>
+        <location filename="../../gpgwin.cpp" line="165"/>
         <source>Select the whole text</source>
         <translation>Selecionar o texto completo</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="163"/>
+        <location filename="../../gpgwin.cpp" line="168"/>
         <source>Se&amp;ttings</source>
         <translation>Con&amp;figurações</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="164"/>
+        <location filename="../../gpgwin.cpp" line="169"/>
         <source>Open settings dialog</source>
         <translation>Abre janela de configurações</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="170"/>
+        <location filename="../../gpgwin.cpp" line="175"/>
         <source>&amp;Encrypt</source>
         <translation>&amp;Encriptar</translation>
     </message>
@@ -259,12 +259,12 @@
         <translation type="obsolete">Ctrl+E</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="173"/>
+        <location filename="../../gpgwin.cpp" line="178"/>
         <source>Encrypt Message</source>
         <translation>Encriptar Mensagem</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="176"/>
+        <location filename="../../gpgwin.cpp" line="181"/>
         <source>&amp;Decrypt</source>
         <translation>&amp;Decriptar</translation>
     </message>
@@ -273,52 +273,52 @@
         <translation type="obsolete">Ctrl+D</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="179"/>
+        <location filename="../../gpgwin.cpp" line="184"/>
         <source>Decrypt Message</source>
         <translation>Decriptar Mensagem</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="182"/>
+        <location filename="../../gpgwin.cpp" line="187"/>
         <source>&amp;File Encryption</source>
         <translation>Encriptar &amp;Arquivo</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="184"/>
+        <location filename="../../gpgwin.cpp" line="189"/>
         <source>Encrypt/Decrypt File</source>
         <translation>Encriptar/Decriptar Arquivo</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="191"/>
+        <location filename="../../gpgwin.cpp" line="196"/>
         <source>Import New Key From File</source>
         <translation>Importar Nova Chave do Arquivo</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="196"/>
+        <location filename="../../gpgwin.cpp" line="201"/>
         <source>Import New Key From Editor</source>
         <translation>Importar Nova Chave do Editor</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="204"/>
+        <location filename="../../gpgwin.cpp" line="209"/>
         <source>Key Management</source>
         <translation>Gerenciar Chaves</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="206"/>
+        <location filename="../../gpgwin.cpp" line="211"/>
         <source>Open Keymanagement</source>
         <translation>Abrir Gerenciador de Chaves</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="211"/>
+        <location filename="../../gpgwin.cpp" line="216"/>
         <source>Open Import New Key Dialog</source>
         <translation>Abrir Diálogo de Importação de Nova Chave</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="216"/>
+        <location filename="../../gpgwin.cpp" line="221"/>
         <source>&amp;About</source>
         <translation>&amp;Sobre</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="218"/>
+        <location filename="../../gpgwin.cpp" line="223"/>
         <source>Show the application&apos;s About box</source>
         <translation>Exibe a caixa &apos;sobre&apos;</translation>
     </message>
@@ -327,115 +327,135 @@
         <translation type="obsolete">&lt;center&gt;Esse programa serve para encriptar e&lt;br&gt;decriptar mensagens de texto ou arquivos.&lt;br&gt;E é liberado sob a licença GPL v2.0&lt;br&gt;&lt;br&gt;&lt;b&gt;Desenvolvedores:&lt;/b&gt;&lt;br&gt;Bene, Heimer, Juergen, Nils, Ubbo&lt;br&gt;&lt;br&gt;&lt;b&gt;Tradução:&lt;/b&gt;&lt;br&gt;Alessandro (pt_br), Alex (fr), Kirill (ru)&lt;br&gt;&lt;br&gt;Caso tenha dúvidas e/ou sugestões,&lt;br&gt;envie uma mensagem para&lt;br&gt;gpg4usb at cpunk.de&lt;/a&gt;&lt;br&gt;&lt;br&gt;ou nos encontre no nosso canal xmpp:&lt;br&gt;gpg4usb at conference.jabber.ccc.de&lt;/center&gt;</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="189"/>
-        <location filename="../../gpgwin.cpp" line="230"/>
-        <location filename="../../gpgwin.cpp" line="616"/>
+        <location filename="../../gpgwin.cpp" line="194"/>
+        <location filename="../../gpgwin.cpp" line="240"/>
+        <location filename="../../gpgwin.cpp" line="632"/>
         <source>&amp;File</source>
         <translation>&amp;Arquivo</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="238"/>
+        <location filename="../../gpgwin.cpp" line="248"/>
         <source>&amp;Edit</source>
         <translation>E&amp;ditar</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="261"/>
+        <location filename="../../gpgwin.cpp" line="272"/>
         <source>&amp;Help</source>
         <translation>A&amp;juda</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="434"/>
+        <location filename="../../gpgwin.cpp" line="446"/>
         <source>File</source>
         <translation>Arquivo</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="278"/>
+        <location filename="../../gpgwin.cpp" line="290"/>
         <source>Edit</source>
         <translation>Editar</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="223"/>
+        <location filename="../../gpgwin.cpp" line="137"/>
+        <source>&amp;Undo</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../gpgwin.cpp" line="139"/>
+        <source>Undo Last Edit Action</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../gpgwin.cpp" line="226"/>
+        <source>Online &amp;Tutorial</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../gpgwin.cpp" line="228"/>
+        <source>Open Online Tutorial</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../gpgwin.cpp" line="233"/>
         <source>Append Selected Key(s) To Text</source>
         <translation>Anexar Chaves Marcadas no Texto</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="224"/>
+        <location filename="../../gpgwin.cpp" line="234"/>
         <source>Append The Selected Keys To Text in Editor</source>
         <translation>Anexar Chaves Marcadas no Texto do Editor</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="251"/>
+        <location filename="../../gpgwin.cpp" line="262"/>
         <source>&amp;Keys</source>
         <translation>&amp;Chaves</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="252"/>
+        <location filename="../../gpgwin.cpp" line="263"/>
         <source>&amp;Import Key From...</source>
         <translation></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="259"/>
+        <location filename="../../gpgwin.cpp" line="270"/>
         <source>&amp;View</source>
         <translation>E&amp;xibir</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="273"/>
+        <location filename="../../gpgwin.cpp" line="285"/>
         <source>Key</source>
         <translation>Chave</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="287"/>
-        <location filename="../../gpgwin.cpp" line="460"/>
+        <location filename="../../gpgwin.cpp" line="299"/>
+        <location filename="../../gpgwin.cpp" line="472"/>
         <source>Ready</source>
         <translation>Pronto</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="294"/>
+        <location filename="../../gpgwin.cpp" line="306"/>
         <source>Encrypt for:</source>
         <translation>Encriptar para:</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="302"/>
+        <location filename="../../gpgwin.cpp" line="314"/>
         <source>Attached files:</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="379"/>
-        <location filename="../../gpgwin.cpp" line="419"/>
+        <location filename="../../gpgwin.cpp" line="391"/>
+        <location filename="../../gpgwin.cpp" line="431"/>
         <source>Application</source>
         <translation>Aplicação</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="380"/>
+        <location filename="../../gpgwin.cpp" line="392"/>
         <source>Cannot read file %1:
 %2.</source>
         <translation>Não leu o arquivo %1: %2.</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="392"/>
+        <location filename="../../gpgwin.cpp" line="404"/>
         <source>File loaded</source>
         <translation>Arquivo carregado</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="407"/>
+        <location filename="../../gpgwin.cpp" line="419"/>
         <source>%1[*] - %2</source>
         <translation>%1[*] - %2</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="420"/>
+        <location filename="../../gpgwin.cpp" line="432"/>
         <source>The document has been modified.
 Do you want to save your changes?</source>
         <translation>O documento foi alterado.
 Deseja salvar as alterações?</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="435"/>
+        <location filename="../../gpgwin.cpp" line="447"/>
         <source>Cannot write file %1:
 %2.</source>
         <translation>Não escreveu o arquivo %1: %2.</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="444"/>
+        <location filename="../../gpgwin.cpp" line="456"/>
         <source>Saved &apos;%1&apos;</source>
         <translatorcomment>i used inverse order because its more natural speak in this way</translatorcomment>
         <translation>&apos;%1&apos; salvo.</translation>
@@ -445,70 +465,70 @@ Deseja salvar as alterações?</translation>
         <translation type="obsolete">&lt;center&gt; Este aplicativo permite a encriptação/decriptação&lt;br&gt;simplificada das suas mensagens de texto ou arquivos.&lt;br&gt;E é liberado sob licença GPL-V2.0&lt;br&gt;&lt;br&gt;Desenvolvedores:&lt;/b&gt;&lt;br&gt;Bene, Heimer, Juergen, Nils, Ubbo&lt;br&gt;&lt;br&gt;&lt;b&gt;Tradução:&lt;/b&gt;&lt;br&gt;Krill(ru)&lt;br&gt;Alessandro Benevenuto (pt-br)&lt;br&gt;&lt;br&gt;Caso tenha dúvidas e/ou sugestões, entre em&lt;br&gt;contatoatravés de gpg4usb at cpunk.de&lt;/a&gt;&lt;br&gt;&lt;br&gt;ou no canal xmpp&lt;br&gt;gpg4usb at conference.jabber.ccc.de&lt;/center&gt;</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="579"/>
+        <location filename="../../gpgwin.cpp" line="595"/>
         <source>Open Key</source>
         <translation>Abrir a Chave</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="579"/>
+        <location filename="../../gpgwin.cpp" line="595"/>
         <source>Key Files</source>
         <translation>Arquivos de Chaves</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="579"/>
+        <location filename="../../gpgwin.cpp" line="595"/>
         <source>All Files</source>
         <translation>Todos os Arquivos</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="583"/>
+        <location filename="../../gpgwin.cpp" line="599"/>
         <source>couldn&apos;t open file: </source>
         <translation>Não pode abrir o arquivo:</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="194"/>
-        <location filename="../../gpgwin.cpp" line="617"/>
+        <location filename="../../gpgwin.cpp" line="199"/>
+        <location filename="../../gpgwin.cpp" line="633"/>
         <source>&amp;Editor</source>
         <translation>&amp;Editor</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="199"/>
-        <location filename="../../gpgwin.cpp" line="618"/>
+        <location filename="../../gpgwin.cpp" line="204"/>
+        <location filename="../../gpgwin.cpp" line="634"/>
         <source>&amp;Clipboard</source>
         <translation>Área de &amp;Transferência</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="201"/>
+        <location filename="../../gpgwin.cpp" line="206"/>
         <source>Import New Key From Clipboard</source>
         <translation>Importar Nova Chave da Área de Transferência</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="209"/>
-        <location filename="../../gpgwin.cpp" line="607"/>
+        <location filename="../../gpgwin.cpp" line="214"/>
+        <location filename="../../gpgwin.cpp" line="623"/>
         <source>Import Key</source>
         <translation>Importar Chave</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="245"/>
+        <location filename="../../gpgwin.cpp" line="256"/>
         <source>&amp;Crypt</source>
         <translation>&amp;Encriptar</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="267"/>
+        <location filename="../../gpgwin.cpp" line="279"/>
         <source>Crypt</source>
         <translation>Encriptar</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="466"/>
+        <location filename="../../gpgwin.cpp" line="478"/>
         <source>About </source>
         <translation>Sobre</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="469"/>
+        <location filename="../../gpgwin.cpp" line="481"/>
         <source>&lt;center&gt;This Application allows you to do simple&lt;br&gt;encryption/decryption of your text-message or file.&lt;br&gt;It&apos;s licensed under the GPL v2.0&lt;br&gt;&lt;br&gt;&lt;b&gt;Developer:&lt;/b&gt;&lt;br&gt;Bene, Heimer, Juergen, Nils, Ubbo&lt;br&gt;&lt;br&gt;&lt;b&gt;Translation:&lt;/b&gt;&lt;br&gt;Alessandro (pt_br), Alex (fr), Kirill (ru), Viriato (es)&lt;br&gt;&lt;br&gt;If you have any questions and/or&lt;br&gt;suggestions, contact us at&lt;br&gt;gpg4usb at cpunk.de&lt;/a&gt;&lt;br&gt;&lt;br&gt;or feel free to meet us in our xmpp-channel:&lt;br&gt;gpg4usb at conference.jabber.ccc.de&lt;/center&gt;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="615"/>
+        <location filename="../../gpgwin.cpp" line="631"/>
         <source>Import Key From...</source>
         <translation>Importar Chave de...</translation>
     </message>
diff --git a/release/ts/gpg4usb_ru.ts b/release/ts/gpg4usb_ru.ts
index bce64f4..1639eef 100644
--- a/release/ts/gpg4usb_ru.ts
+++ b/release/ts/gpg4usb_ru.ts
@@ -21,23 +21,23 @@
         <translation type="obsolete">Не удалось открыть файл: </translation>
     </message>
     <message>
-        <location filename="../../attachments.cpp" line="76"/>
-        <location filename="../../attachments.cpp" line="104"/>
+        <location filename="../../attachments.cpp" line="77"/>
+        <location filename="../../attachments.cpp" line="105"/>
         <source>Save File</source>
         <translation type="unfinished">Сохранить файл</translation>
     </message>
     <message>
-        <location filename="../../attachments.cpp" line="77"/>
+        <location filename="../../attachments.cpp" line="78"/>
         <source>Save this file</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../attachments.cpp" line="110"/>
+        <location filename="../../attachments.cpp" line="111"/>
         <source>File</source>
         <translation type="unfinished">Файл</translation>
     </message>
     <message>
-        <location filename="../../attachments.cpp" line="111"/>
+        <location filename="../../attachments.cpp" line="112"/>
         <source>Cannot write file %1:
 %2.</source>
         <translation type="unfinished"></translation>
@@ -171,299 +171,319 @@
     </message>
     <message>
         <location filename="../../gpgwin.cpp" line="137"/>
+        <source>&amp;Undo</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../gpgwin.cpp" line="139"/>
+        <source>Undo Last Edit Action</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../gpgwin.cpp" line="142"/>
         <source>&amp;Paste</source>
         <translation>&amp;Вставить</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="140"/>
+        <location filename="../../gpgwin.cpp" line="145"/>
         <source>Paste Text From Clipboard</source>
         <translation>Вставить текст из Буфера Обмена</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="143"/>
+        <location filename="../../gpgwin.cpp" line="148"/>
         <source>Cu&amp;t</source>
         <translation>&amp;Вырезать</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="146"/>
+        <location filename="../../gpgwin.cpp" line="151"/>
         <source>Cut the current selection&apos;s contents to the clipboard</source>
         <translation>Вырезать выделенные элементы в Буфер Обмена</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="150"/>
+        <location filename="../../gpgwin.cpp" line="155"/>
         <source>&amp;Copy</source>
         <translation>&amp;Копировать</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="153"/>
+        <location filename="../../gpgwin.cpp" line="158"/>
         <source>Copy the current selection&apos;s contents to the clipboard</source>
         <translation>Копировать выделенные элементы в Буфер Обмена</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="157"/>
+        <location filename="../../gpgwin.cpp" line="162"/>
         <source>Select &amp;All</source>
         <translation>В&amp;ыделить всё</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="160"/>
+        <location filename="../../gpgwin.cpp" line="165"/>
         <source>Select the whole text</source>
         <translation>Выделить весь текст</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="164"/>
+        <location filename="../../gpgwin.cpp" line="169"/>
         <source>Open settings dialog</source>
         <translation>Открыть окно настроек</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="170"/>
+        <location filename="../../gpgwin.cpp" line="175"/>
         <source>&amp;Encrypt</source>
         <translation>З&amp;ашифровать</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="173"/>
+        <location filename="../../gpgwin.cpp" line="178"/>
         <source>Encrypt Message</source>
         <translation>Зашифровать текст</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="176"/>
+        <location filename="../../gpgwin.cpp" line="181"/>
         <source>&amp;Decrypt</source>
         <translation>Расшифро&amp;вать</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="179"/>
+        <location filename="../../gpgwin.cpp" line="184"/>
         <source>Decrypt Message</source>
         <translation>Расшифровать текст</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="191"/>
+        <location filename="../../gpgwin.cpp" line="196"/>
         <source>Import New Key From File</source>
         <translation>Импорт нового ключа из файла</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="196"/>
+        <location filename="../../gpgwin.cpp" line="201"/>
         <source>Import New Key From Editor</source>
         <translation>Импорт нового ключа из редактора</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="216"/>
+        <location filename="../../gpgwin.cpp" line="221"/>
         <source>&amp;About</source>
         <translation>&amp;О программе</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="218"/>
+        <location filename="../../gpgwin.cpp" line="223"/>
         <source>Show the application&apos;s About box</source>
         <translation>Показать инфо о программе</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="189"/>
-        <location filename="../../gpgwin.cpp" line="230"/>
-        <location filename="../../gpgwin.cpp" line="616"/>
+        <location filename="../../gpgwin.cpp" line="194"/>
+        <location filename="../../gpgwin.cpp" line="240"/>
+        <location filename="../../gpgwin.cpp" line="632"/>
         <source>&amp;File</source>
         <translation>Ф&amp;айл</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="238"/>
+        <location filename="../../gpgwin.cpp" line="248"/>
         <source>&amp;Edit</source>
         <translation>&amp;Правка</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="261"/>
+        <location filename="../../gpgwin.cpp" line="272"/>
         <source>&amp;Help</source>
         <translation>&amp;Справка</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="434"/>
+        <location filename="../../gpgwin.cpp" line="446"/>
         <source>File</source>
         <translation>Файл</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="278"/>
+        <location filename="../../gpgwin.cpp" line="290"/>
         <source>Edit</source>
         <translation>Правка</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="163"/>
+        <location filename="../../gpgwin.cpp" line="168"/>
         <source>Se&amp;ttings</source>
         <translation>&amp;Настройки</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="182"/>
+        <location filename="../../gpgwin.cpp" line="187"/>
         <source>&amp;File Encryption</source>
         <translation>Шифрование &amp;файлов</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="184"/>
+        <location filename="../../gpgwin.cpp" line="189"/>
         <source>Encrypt/Decrypt File</source>
         <translation>За-/Расшифровать файл</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="204"/>
+        <location filename="../../gpgwin.cpp" line="209"/>
         <source>Key Management</source>
         <translation>Менеджер ключей</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="206"/>
+        <location filename="../../gpgwin.cpp" line="211"/>
         <source>Open Keymanagement</source>
         <translation>Открыть Менеджер ключей</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="211"/>
+        <location filename="../../gpgwin.cpp" line="216"/>
         <source>Open Import New Key Dialog</source>
         <translation>Открыть окно импорта ключей</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="223"/>
+        <location filename="../../gpgwin.cpp" line="226"/>
+        <source>Online &amp;Tutorial</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../gpgwin.cpp" line="228"/>
+        <source>Open Online Tutorial</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../gpgwin.cpp" line="233"/>
         <source>Append Selected Key(s) To Text</source>
         <translation>Добавить выбранн. ключ(и) к тексту</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="224"/>
+        <location filename="../../gpgwin.cpp" line="234"/>
         <source>Append The Selected Keys To Text in Editor</source>
         <translation>Добавить выбранный ключ к тексту в редакторе</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="251"/>
+        <location filename="../../gpgwin.cpp" line="262"/>
         <source>&amp;Keys</source>
         <translation>&amp;Ключи</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="252"/>
+        <location filename="../../gpgwin.cpp" line="263"/>
         <source>&amp;Import Key From...</source>
         <translation>&amp;Импорт ключа из...</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="259"/>
+        <location filename="../../gpgwin.cpp" line="270"/>
         <source>&amp;View</source>
         <translation>&amp;Вид</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="273"/>
+        <location filename="../../gpgwin.cpp" line="285"/>
         <source>Key</source>
         <translation>Ключ</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="287"/>
-        <location filename="../../gpgwin.cpp" line="460"/>
+        <location filename="../../gpgwin.cpp" line="299"/>
+        <location filename="../../gpgwin.cpp" line="472"/>
         <source>Ready</source>
         <translation>Готово</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="294"/>
+        <location filename="../../gpgwin.cpp" line="306"/>
         <source>Encrypt for:</source>
         <translation>   Зашифровать для:</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="302"/>
+        <location filename="../../gpgwin.cpp" line="314"/>
         <source>Attached files:</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="379"/>
-        <location filename="../../gpgwin.cpp" line="419"/>
+        <location filename="../../gpgwin.cpp" line="391"/>
+        <location filename="../../gpgwin.cpp" line="431"/>
         <source>Application</source>
         <translation>Приложение</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="380"/>
+        <location filename="../../gpgwin.cpp" line="392"/>
         <source>Cannot read file %1:
 %2.</source>
         <translation>Не удалось прочесть файл %1:
 %2.</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="392"/>
+        <location filename="../../gpgwin.cpp" line="404"/>
         <source>File loaded</source>
         <translation>Файл загружен</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="407"/>
+        <location filename="../../gpgwin.cpp" line="419"/>
         <source>%1[*] - %2</source>
         <translation></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="420"/>
+        <location filename="../../gpgwin.cpp" line="432"/>
         <source>The document has been modified.
 Do you want to save your changes?</source>
         <translation>Документ был редактирован.
 Сохранить изменения?</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="435"/>
+        <location filename="../../gpgwin.cpp" line="447"/>
         <source>Cannot write file %1:
 %2.</source>
         <translation>Не удалось записать файл %1:
 %2.</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="444"/>
+        <location filename="../../gpgwin.cpp" line="456"/>
         <source>Saved &apos;%1&apos;</source>
         <translation>&quot;%1&quot; сохранён</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="469"/>
+        <location filename="../../gpgwin.cpp" line="481"/>
         <source>&lt;center&gt;This Application allows you to do simple&lt;br&gt;encryption/decryption of your text-message or file.&lt;br&gt;It&apos;s licensed under the GPL v2.0&lt;br&gt;&lt;br&gt;&lt;b&gt;Developer:&lt;/b&gt;&lt;br&gt;Bene, Heimer, Juergen, Nils, Ubbo&lt;br&gt;&lt;br&gt;&lt;b&gt;Translation:&lt;/b&gt;&lt;br&gt;Alessandro (pt_br), Alex (fr), Kirill (ru), Viriato (es)&lt;br&gt;&lt;br&gt;If you have any questions and/or&lt;br&gt;suggestions, contact us at&lt;br&gt;gpg4usb at cpunk.de&lt;/a&gt;&lt;br&gt;&lt;br&gt;or feel free to meet us in our xmpp-channel:&lt;br&gt;gpg4usb at conference.jabber.ccc.de&lt;/center&gt;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="579"/>
+        <location filename="../../gpgwin.cpp" line="595"/>
         <source>Open Key</source>
         <translation>Открыть ключ</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="583"/>
+        <location filename="../../gpgwin.cpp" line="599"/>
         <source>couldn&apos;t open file: </source>
         <translation>Не удалось открыть файл: </translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="194"/>
-        <location filename="../../gpgwin.cpp" line="617"/>
+        <location filename="../../gpgwin.cpp" line="199"/>
+        <location filename="../../gpgwin.cpp" line="633"/>
         <source>&amp;Editor</source>
         <translation>Окна &amp;редактора</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="199"/>
-        <location filename="../../gpgwin.cpp" line="618"/>
+        <location filename="../../gpgwin.cpp" line="204"/>
+        <location filename="../../gpgwin.cpp" line="634"/>
         <source>&amp;Clipboard</source>
         <translation>&amp;Буфера Обмена</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="201"/>
+        <location filename="../../gpgwin.cpp" line="206"/>
         <source>Import New Key From Clipboard</source>
         <translation>Импорт нового ключа из Буфера Обмена</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="209"/>
-        <location filename="../../gpgwin.cpp" line="607"/>
+        <location filename="../../gpgwin.cpp" line="214"/>
+        <location filename="../../gpgwin.cpp" line="623"/>
         <source>Import Key</source>
         <translation>Импорт ключа</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="245"/>
+        <location filename="../../gpgwin.cpp" line="256"/>
         <source>&amp;Crypt</source>
         <translation>&amp;Шифрование</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="267"/>
+        <location filename="../../gpgwin.cpp" line="279"/>
         <source>Crypt</source>
         <translation>Шифрование</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="466"/>
+        <location filename="../../gpgwin.cpp" line="478"/>
         <source>About </source>
         <translation>О программе </translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="579"/>
+        <location filename="../../gpgwin.cpp" line="595"/>
         <source>Key Files</source>
         <translation>Файлы ключей</translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="579"/>
+        <location filename="../../gpgwin.cpp" line="595"/>
         <source>All Files</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../gpgwin.cpp" line="615"/>
+        <location filename="../../gpgwin.cpp" line="631"/>
         <source>Import Key From...</source>
         <translation>Импорт ключа из...</translation>
     </message>