Changed Icon for reload room configuration and added some translations.

5 files changed, 336 insertions, 280 deletions

diff --git a/i18n/server/pvsmgr_ar_JO.ts b/i18n/server/pvsmgr_ar_JO.ts
index 6601559..634bedb 100644
--- a/i18n/server/pvsmgr_ar_JO.ts
+++ b/i18n/server/pvsmgr_ar_JO.ts
@@ -4,52 +4,52 @@
 <context>
     <name>Help</name>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="322"/>
+        <location filename="../../build/ui_help.h" line="322"/>
         <source>Form</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="324"/>
+        <location filename="../../build/ui_help.h" line="324"/>
         <source>Lock all connected students screens.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="326"/>
+        <location filename="../../build/ui_help.h" line="326"/>
         <source>Start projection from tutor to all connected students.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="328"/>
+        <location filename="../../build/ui_help.h" line="328"/>
         <source>Start projection from tutor to selected student.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="330"/>
+        <location filename="../../build/ui_help.h" line="330"/>
         <source>Start projection from selected student to tutor.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="332"/>
+        <location filename="../../build/ui_help.h" line="332"/>
         <source>Start projection from selected student to tutor and blank all others.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="334"/>
+        <location filename="../../build/ui_help.h" line="334"/>
         <source>Stop running projections.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="335"/>
+        <location filename="../../build/ui_help.h" line="335"/>
         <source>Set selected client to tutor.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="338"/>
+        <location filename="../../build/ui_help.h" line="338"/>
         <source>Refresh classroom configuration after choosing the room.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="339"/>
+        <location filename="../../build/ui_help.h" line="339"/>
         <source>Cancel</source>
         <translation type="unfinished"></translation>
     </message>
@@ -57,141 +57,152 @@
 <context>
     <name>MainWindow</name>
     <message>
+        <location filename="../../build/ui_mainwindow.h" line="167"/>
         <location filename="../../src/server/mainwindow/mainwindow.cpp" line="84"/>
-        <location filename="../../trbuild/ui_mainwindow.h" line="167"/>
         <source>Exit</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="573"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="972"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="979"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="575"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="980"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="987"/>
         <source>Selection</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="668"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="641"/>
+        <source>Sure, You want to change SessionName again?
+All Clients will be deleted afterwards.</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="670"/>
         <source>Session Name: %1  [click to edit]</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="718"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="722"/>
+        <source>No item selected, please select room!</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="725"/>
         <source>Are you sure you want to reload the room?
 Note that all clients will be deleted.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="779"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="781"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="783"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="812"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="814"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="816"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="818"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="787"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="789"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="791"/>
         <location filename="../../src/server/mainwindow/mainwindow.cpp" line="820"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="851"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="853"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="855"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="857"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="822"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="824"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="826"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="828"/>
         <location filename="../../src/server/mainwindow/mainwindow.cpp" line="859"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="891"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="893"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="895"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="897"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="861"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="863"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="865"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="867"/>
         <location filename="../../src/server/mainwindow/mainwindow.cpp" line="899"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="901"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="903"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="905"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="907"/>
         <source>Projection</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="972"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="980"/>
         <source>No client is selected.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="979"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="987"/>
         <source>The selected client is not connected.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
+        <location filename="../../build/ui_mainwindow.h" line="172"/>
         <location filename="../../src/server/mainwindow/mainwindow.cpp" line="85"/>
-        <location filename="../../trbuild/ui_mainwindow.h" line="172"/>
         <source>Lock or Unlock all Clients</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="164"/>
+        <location filename="../../build/ui_mainwindow.h" line="164"/>
         <source>PVS2 Manager</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="165"/>
+        <location filename="../../build/ui_mainwindow.h" line="165"/>
         <source>&amp;Exit</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="169"/>
+        <location filename="../../build/ui_mainwindow.h" line="169"/>
         <source>Ctrl+Q</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="170"/>
+        <location filename="../../build/ui_mainwindow.h" line="170"/>
         <source>lock</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="174"/>
+        <location filename="../../build/ui_mainwindow.h" line="174"/>
         <source>Ctrl+A</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="175"/>
+        <location filename="../../build/ui_mainwindow.h" line="175"/>
         <source>Student&apos;s Screen to Tutor</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="176"/>
+        <location filename="../../build/ui_mainwindow.h" line="176"/>
         <source>Student&apos;s Screen to Tutor, others blanked</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="177"/>
+        <location filename="../../build/ui_mainwindow.h" line="177"/>
         <source>Tutor&apos;s Screen to Student</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="178"/>
+        <location filename="../../build/ui_mainwindow.h" line="178"/>
         <source>Tutor&apos;s Screen to Everyone</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="179"/>
+        <location filename="../../build/ui_mainwindow.h" line="179"/>
         <source>Stop Projection on every Client</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="180"/>
+        <location filename="../../build/ui_mainwindow.h" line="180"/>
         <source>SetAsTutor</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="182"/>
+        <location filename="../../build/ui_mainwindow.h" line="182"/>
         <source>Set current Frame as Tutor</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="184"/>
-        <location filename="../../trbuild/ui_mainwindow.h" line="186"/>
+        <location filename="../../build/ui_mainwindow.h" line="184"/>
+        <location filename="../../build/ui_mainwindow.h" line="186"/>
         <source>Help</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="188"/>
-        <location filename="../../trbuild/ui_mainwindow.h" line="190"/>
+        <location filename="../../build/ui_mainwindow.h" line="188"/>
+        <location filename="../../build/ui_mainwindow.h" line="190"/>
         <source>Reload Room Configuration</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="193"/>
+        <location filename="../../build/ui_mainwindow.h" line="193"/>
         <source>toolBar</source>
         <translation type="unfinished"></translation>
     </message>
@@ -199,12 +210,12 @@ Note that all clients will be deleted.</source>
 <context>
     <name>ReloadRoom</name>
     <message>
-        <location filename="../../trbuild/ui_reloadroom.h" line="68"/>
+        <location filename="../../build/ui_reloadroom.h" line="68"/>
         <source>Reload Room</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_reloadroom.h" line="69"/>
+        <location filename="../../build/ui_reloadroom.h" line="69"/>
         <source>Choose room configuration to reload:</source>
         <translation type="unfinished"></translation>
     </message>
@@ -212,17 +223,17 @@ Note that all clients will be deleted.</source>
 <context>
     <name>SessionName</name>
     <message>
-        <location filename="../../trbuild/ui_sessionname.h" line="71"/>
+        <location filename="../../build/ui_sessionname.h" line="71"/>
         <source>Set session name</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_sessionname.h" line="72"/>
+        <location filename="../../build/ui_sessionname.h" line="72"/>
         <source>New session name</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_sessionname.h" line="73"/>
+        <location filename="../../build/ui_sessionname.h" line="73"/>
         <source>Random name</source>
         <translation type="unfinished"></translation>
     </message>
diff --git a/i18n/server/pvsmgr_de_DE.ts b/i18n/server/pvsmgr_de_DE.ts
index 8a00161..7cb13ef 100644
--- a/i18n/server/pvsmgr_de_DE.ts
+++ b/i18n/server/pvsmgr_de_DE.ts
@@ -4,52 +4,52 @@
 <context>
     <name>Help</name>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="322"/>
+        <location filename="../../build/ui_help.h" line="322"/>
         <source>Form</source>
         <translation>Form</translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="338"/>
+        <location filename="../../build/ui_help.h" line="338"/>
         <source>Refresh classroom configuration after choosing the room.</source>
         <translation>Lade nach Raumauswahl entsprechende Raumkonfiguration neu.</translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="339"/>
+        <location filename="../../build/ui_help.h" line="339"/>
         <source>Cancel</source>
         <translation>Abbruch</translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="334"/>
+        <location filename="../../build/ui_help.h" line="334"/>
         <source>Stop running projections.</source>
         <translation>Alle Projektionen abbrechen.</translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="332"/>
+        <location filename="../../build/ui_help.h" line="332"/>
         <source>Start projection from selected student to tutor and blank all others.</source>
         <translation>Projektion des ausgewählten Studierendens an Tutor; alle anderen ausblenden.</translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="330"/>
+        <location filename="../../build/ui_help.h" line="330"/>
         <source>Start projection from selected student to tutor.</source>
         <translation>Startet Projektion von ausgewähltem Studierenden an Tutor.</translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="328"/>
+        <location filename="../../build/ui_help.h" line="328"/>
         <source>Start projection from tutor to selected student.</source>
         <translation>Startet Projektion von Tutor an ausgewählten Studierenden.</translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="326"/>
+        <location filename="../../build/ui_help.h" line="326"/>
         <source>Start projection from tutor to all connected students.</source>
         <translation>Startet Projektion von Tutor an alle verbundenen Studierenden.</translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="324"/>
+        <location filename="../../build/ui_help.h" line="324"/>
         <source>Lock all connected students screens.</source>
         <translation>Alle verbundenen Studierendenbildschirme sperren.</translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="335"/>
+        <location filename="../../build/ui_help.h" line="335"/>
         <source>Set selected client to tutor.</source>
         <translation>Ausgewählten Klienten als Tutor festlegen.</translation>
     </message>
@@ -57,141 +57,153 @@
 <context>
     <name>MainWindow</name>
     <message>
+        <location filename="../../build/ui_mainwindow.h" line="167"/>
         <location filename="../../src/server/mainwindow/mainwindow.cpp" line="84"/>
-        <location filename="../../trbuild/ui_mainwindow.h" line="167"/>
         <source>Exit</source>
         <translation>Ausgang</translation>
     </message>
     <message>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="573"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="972"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="979"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="575"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="980"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="987"/>
         <source>Selection</source>
         <translation>Auswahl</translation>
     </message>
     <message>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="668"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="641"/>
+        <source>Sure, You want to change SessionName again?
+All Clients will be deleted afterwards.</source>
+        <translation>Sicher, dass Sie den Sitzungsname erneut ändern wollen?
+Danach werden alle Clienten gelöscht sein.</translation>
+    </message>
+    <message>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="670"/>
         <source>Session Name: %1  [click to edit]</source>
         <translation>Sitzungsname: %1  [anklicken editiert]</translation>
     </message>
     <message>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="718"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="722"/>
+        <source>No item selected, please select room!</source>
+        <translation>Keine Auswahl getroffen, bitte einen Raum auswählen!</translation>
+    </message>
+    <message>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="725"/>
         <source>Are you sure you want to reload the room?
 Note that all clients will be deleted.</source>
         <translation>Wollen Sie den Raum wirklich neu laden? Beachten Sie, dass alle Clienten gelöscht werden.</translation>
     </message>
     <message>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="779"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="781"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="783"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="812"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="814"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="816"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="818"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="787"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="789"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="791"/>
         <location filename="../../src/server/mainwindow/mainwindow.cpp" line="820"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="851"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="853"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="855"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="857"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="822"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="824"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="826"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="828"/>
         <location filename="../../src/server/mainwindow/mainwindow.cpp" line="859"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="891"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="893"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="895"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="897"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="861"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="863"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="865"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="867"/>
         <location filename="../../src/server/mainwindow/mainwindow.cpp" line="899"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="901"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="903"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="905"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="907"/>
         <source>Projection</source>
         <translation>Projektion</translation>
     </message>
     <message>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="972"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="980"/>
         <source>No client is selected.</source>
         <translation>Kein Klient ausgewählt.</translation>
     </message>
     <message>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="979"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="987"/>
         <source>The selected client is not connected.</source>
         <translation>Ausgewählter Klient ist nicht verbunden.</translation>
     </message>
     <message>
+        <location filename="../../build/ui_mainwindow.h" line="172"/>
         <location filename="../../src/server/mainwindow/mainwindow.cpp" line="85"/>
-        <location filename="../../trbuild/ui_mainwindow.h" line="172"/>
         <source>Lock or Unlock all Clients</source>
         <translation>Alle Klienten sperren oder entsperren</translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="164"/>
+        <location filename="../../build/ui_mainwindow.h" line="164"/>
         <source>PVS2 Manager</source>
         <translation>PVS2-Manager</translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="165"/>
+        <location filename="../../build/ui_mainwindow.h" line="165"/>
         <source>&amp;Exit</source>
         <translation>&amp;Abbruch</translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="169"/>
+        <location filename="../../build/ui_mainwindow.h" line="169"/>
         <source>Ctrl+Q</source>
         <translation>Strg+Q</translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="170"/>
+        <location filename="../../build/ui_mainwindow.h" line="170"/>
         <source>lock</source>
         <translation>lock</translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="174"/>
+        <location filename="../../build/ui_mainwindow.h" line="174"/>
         <source>Ctrl+A</source>
         <translation>Strg+A</translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="175"/>
+        <location filename="../../build/ui_mainwindow.h" line="175"/>
         <source>Student&apos;s Screen to Tutor</source>
         <translation>Studierendenbildschirm an Tutor</translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="176"/>
+        <location filename="../../build/ui_mainwindow.h" line="176"/>
         <source>Student&apos;s Screen to Tutor, others blanked</source>
         <translation>Studierendenbildschirm an Tutor; alle anderen ausgeblendet</translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="177"/>
+        <location filename="../../build/ui_mainwindow.h" line="177"/>
         <source>Tutor&apos;s Screen to Student</source>
         <translation>Tutorenbildschirm an Studierenden</translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="178"/>
+        <location filename="../../build/ui_mainwindow.h" line="178"/>
         <source>Tutor&apos;s Screen to Everyone</source>
         <translation>Tutorenbildschirm an alle</translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="179"/>
+        <location filename="../../build/ui_mainwindow.h" line="179"/>
         <source>Stop Projection on every Client</source>
         <translation>Projektion an alle Klienten abbrechen</translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="180"/>
+        <location filename="../../build/ui_mainwindow.h" line="180"/>
         <source>SetAsTutor</source>
         <translation>AlsTutorSetzen</translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="182"/>
+        <location filename="../../build/ui_mainwindow.h" line="182"/>
         <source>Set current Frame as Tutor</source>
         <translation>Derzeitigen Rahmen als Tutor festlegen</translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="184"/>
-        <location filename="../../trbuild/ui_mainwindow.h" line="186"/>
+        <location filename="../../build/ui_mainwindow.h" line="184"/>
+        <location filename="../../build/ui_mainwindow.h" line="186"/>
         <source>Help</source>
         <translation>Hilfe</translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="188"/>
-        <location filename="../../trbuild/ui_mainwindow.h" line="190"/>
+        <location filename="../../build/ui_mainwindow.h" line="188"/>
+        <location filename="../../build/ui_mainwindow.h" line="190"/>
         <source>Reload Room Configuration</source>
         <translation>Neu laden der Raumkonfiguration</translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="193"/>
+        <location filename="../../build/ui_mainwindow.h" line="193"/>
         <source>toolBar</source>
         <translation>toolBar</translation>
     </message>
@@ -199,12 +211,12 @@ Note that all clients will be deleted.</source>
 <context>
     <name>ReloadRoom</name>
     <message>
-        <location filename="../../trbuild/ui_reloadroom.h" line="68"/>
+        <location filename="../../build/ui_reloadroom.h" line="68"/>
         <source>Reload Room</source>
         <translation>Raum neu laden</translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_reloadroom.h" line="69"/>
+        <location filename="../../build/ui_reloadroom.h" line="69"/>
         <source>Choose room configuration to reload:</source>
         <translation>Wählen Sie den neuzuladenden Raum:</translation>
     </message>
@@ -212,17 +224,17 @@ Note that all clients will be deleted.</source>
 <context>
     <name>SessionName</name>
     <message>
-        <location filename="../../trbuild/ui_sessionname.h" line="71"/>
+        <location filename="../../build/ui_sessionname.h" line="71"/>
         <source>Set session name</source>
         <translation>Sitzungsname eingeben</translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_sessionname.h" line="72"/>
+        <location filename="../../build/ui_sessionname.h" line="72"/>
         <source>New session name</source>
         <translation>Neuer Sitzungsname</translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_sessionname.h" line="73"/>
+        <location filename="../../build/ui_sessionname.h" line="73"/>
         <source>Random name</source>
         <translation>Zufälliger Sitzungsname</translation>
     </message>
diff --git a/i18n/server/pvsmgr_es_MX.ts b/i18n/server/pvsmgr_es_MX.ts
index 6e8334b..0e50939 100644
--- a/i18n/server/pvsmgr_es_MX.ts
+++ b/i18n/server/pvsmgr_es_MX.ts
@@ -4,52 +4,52 @@
 <context>
     <name>Help</name>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="322"/>
+        <location filename="../../build/ui_help.h" line="322"/>
         <source>Form</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="324"/>
+        <location filename="../../build/ui_help.h" line="324"/>
         <source>Lock all connected students screens.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="326"/>
+        <location filename="../../build/ui_help.h" line="326"/>
         <source>Start projection from tutor to all connected students.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="328"/>
+        <location filename="../../build/ui_help.h" line="328"/>
         <source>Start projection from tutor to selected student.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="330"/>
+        <location filename="../../build/ui_help.h" line="330"/>
         <source>Start projection from selected student to tutor.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="332"/>
+        <location filename="../../build/ui_help.h" line="332"/>
         <source>Start projection from selected student to tutor and blank all others.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="334"/>
+        <location filename="../../build/ui_help.h" line="334"/>
         <source>Stop running projections.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="335"/>
+        <location filename="../../build/ui_help.h" line="335"/>
         <source>Set selected client to tutor.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="338"/>
+        <location filename="../../build/ui_help.h" line="338"/>
         <source>Refresh classroom configuration after choosing the room.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="339"/>
+        <location filename="../../build/ui_help.h" line="339"/>
         <source>Cancel</source>
         <translation type="unfinished">Cancelar</translation>
     </message>
@@ -57,141 +57,152 @@
 <context>
     <name>MainWindow</name>
     <message>
+        <location filename="../../build/ui_mainwindow.h" line="167"/>
         <location filename="../../src/server/mainwindow/mainwindow.cpp" line="84"/>
-        <location filename="../../trbuild/ui_mainwindow.h" line="167"/>
         <source>Exit</source>
         <translation>Salir</translation>
     </message>
     <message>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="573"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="972"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="979"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="575"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="980"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="987"/>
         <source>Selection</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="668"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="641"/>
+        <source>Sure, You want to change SessionName again?
+All Clients will be deleted afterwards.</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="670"/>
         <source>Session Name: %1  [click to edit]</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="718"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="722"/>
+        <source>No item selected, please select room!</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="725"/>
         <source>Are you sure you want to reload the room?
 Note that all clients will be deleted.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="779"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="781"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="783"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="812"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="814"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="816"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="818"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="787"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="789"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="791"/>
         <location filename="../../src/server/mainwindow/mainwindow.cpp" line="820"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="851"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="853"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="855"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="857"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="822"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="824"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="826"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="828"/>
         <location filename="../../src/server/mainwindow/mainwindow.cpp" line="859"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="891"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="893"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="895"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="897"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="861"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="863"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="865"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="867"/>
         <location filename="../../src/server/mainwindow/mainwindow.cpp" line="899"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="901"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="903"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="905"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="907"/>
         <source>Projection</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="972"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="980"/>
         <source>No client is selected.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="979"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="987"/>
         <source>The selected client is not connected.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
+        <location filename="../../build/ui_mainwindow.h" line="172"/>
         <location filename="../../src/server/mainwindow/mainwindow.cpp" line="85"/>
-        <location filename="../../trbuild/ui_mainwindow.h" line="172"/>
         <source>Lock or Unlock all Clients</source>
         <translation>Bloquear o desbloquear todos los clientes</translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="164"/>
+        <location filename="../../build/ui_mainwindow.h" line="164"/>
         <source>PVS2 Manager</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="165"/>
+        <location filename="../../build/ui_mainwindow.h" line="165"/>
         <source>&amp;Exit</source>
         <translation>&amp;Salir</translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="169"/>
+        <location filename="../../build/ui_mainwindow.h" line="169"/>
         <source>Ctrl+Q</source>
         <translation>Ctrl+Q</translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="175"/>
+        <location filename="../../build/ui_mainwindow.h" line="175"/>
         <source>Student&apos;s Screen to Tutor</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="176"/>
+        <location filename="../../build/ui_mainwindow.h" line="176"/>
         <source>Student&apos;s Screen to Tutor, others blanked</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="177"/>
+        <location filename="../../build/ui_mainwindow.h" line="177"/>
         <source>Tutor&apos;s Screen to Student</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="178"/>
+        <location filename="../../build/ui_mainwindow.h" line="178"/>
         <source>Tutor&apos;s Screen to Everyone</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="179"/>
+        <location filename="../../build/ui_mainwindow.h" line="179"/>
         <source>Stop Projection on every Client</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="180"/>
+        <location filename="../../build/ui_mainwindow.h" line="180"/>
         <source>SetAsTutor</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="182"/>
+        <location filename="../../build/ui_mainwindow.h" line="182"/>
         <source>Set current Frame as Tutor</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="184"/>
-        <location filename="../../trbuild/ui_mainwindow.h" line="186"/>
+        <location filename="../../build/ui_mainwindow.h" line="184"/>
+        <location filename="../../build/ui_mainwindow.h" line="186"/>
         <source>Help</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="188"/>
-        <location filename="../../trbuild/ui_mainwindow.h" line="190"/>
+        <location filename="../../build/ui_mainwindow.h" line="188"/>
+        <location filename="../../build/ui_mainwindow.h" line="190"/>
         <source>Reload Room Configuration</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="170"/>
+        <location filename="../../build/ui_mainwindow.h" line="170"/>
         <source>lock</source>
         <translation>bloquear</translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="174"/>
+        <location filename="../../build/ui_mainwindow.h" line="174"/>
         <source>Ctrl+A</source>
         <translation>Ctrl+A</translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="193"/>
+        <location filename="../../build/ui_mainwindow.h" line="193"/>
         <source>toolBar</source>
         <translation>Barra de herramientas</translation>
     </message>
@@ -199,12 +210,12 @@ Note that all clients will be deleted.</source>
 <context>
     <name>ReloadRoom</name>
     <message>
-        <location filename="../../trbuild/ui_reloadroom.h" line="68"/>
+        <location filename="../../build/ui_reloadroom.h" line="68"/>
         <source>Reload Room</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_reloadroom.h" line="69"/>
+        <location filename="../../build/ui_reloadroom.h" line="69"/>
         <source>Choose room configuration to reload:</source>
         <translation type="unfinished"></translation>
     </message>
@@ -212,17 +223,17 @@ Note that all clients will be deleted.</source>
 <context>
     <name>SessionName</name>
     <message>
-        <location filename="../../trbuild/ui_sessionname.h" line="71"/>
+        <location filename="../../build/ui_sessionname.h" line="71"/>
         <source>Set session name</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_sessionname.h" line="72"/>
+        <location filename="../../build/ui_sessionname.h" line="72"/>
         <source>New session name</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_sessionname.h" line="73"/>
+        <location filename="../../build/ui_sessionname.h" line="73"/>
         <source>Random name</source>
         <translation type="unfinished"></translation>
     </message>
diff --git a/i18n/server/pvsmgr_fr_FR.ts b/i18n/server/pvsmgr_fr_FR.ts
index 6601559..634bedb 100644
--- a/i18n/server/pvsmgr_fr_FR.ts
+++ b/i18n/server/pvsmgr_fr_FR.ts
@@ -4,52 +4,52 @@
 <context>
     <name>Help</name>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="322"/>
+        <location filename="../../build/ui_help.h" line="322"/>
         <source>Form</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="324"/>
+        <location filename="../../build/ui_help.h" line="324"/>
         <source>Lock all connected students screens.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="326"/>
+        <location filename="../../build/ui_help.h" line="326"/>
         <source>Start projection from tutor to all connected students.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="328"/>
+        <location filename="../../build/ui_help.h" line="328"/>
         <source>Start projection from tutor to selected student.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="330"/>
+        <location filename="../../build/ui_help.h" line="330"/>
         <source>Start projection from selected student to tutor.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="332"/>
+        <location filename="../../build/ui_help.h" line="332"/>
         <source>Start projection from selected student to tutor and blank all others.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="334"/>
+        <location filename="../../build/ui_help.h" line="334"/>
         <source>Stop running projections.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="335"/>
+        <location filename="../../build/ui_help.h" line="335"/>
         <source>Set selected client to tutor.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="338"/>
+        <location filename="../../build/ui_help.h" line="338"/>
         <source>Refresh classroom configuration after choosing the room.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="339"/>
+        <location filename="../../build/ui_help.h" line="339"/>
         <source>Cancel</source>
         <translation type="unfinished"></translation>
     </message>
@@ -57,141 +57,152 @@
 <context>
     <name>MainWindow</name>
     <message>
+        <location filename="../../build/ui_mainwindow.h" line="167"/>
         <location filename="../../src/server/mainwindow/mainwindow.cpp" line="84"/>
-        <location filename="../../trbuild/ui_mainwindow.h" line="167"/>
         <source>Exit</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="573"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="972"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="979"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="575"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="980"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="987"/>
         <source>Selection</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="668"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="641"/>
+        <source>Sure, You want to change SessionName again?
+All Clients will be deleted afterwards.</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="670"/>
         <source>Session Name: %1  [click to edit]</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="718"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="722"/>
+        <source>No item selected, please select room!</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="725"/>
         <source>Are you sure you want to reload the room?
 Note that all clients will be deleted.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="779"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="781"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="783"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="812"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="814"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="816"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="818"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="787"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="789"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="791"/>
         <location filename="../../src/server/mainwindow/mainwindow.cpp" line="820"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="851"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="853"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="855"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="857"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="822"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="824"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="826"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="828"/>
         <location filename="../../src/server/mainwindow/mainwindow.cpp" line="859"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="891"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="893"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="895"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="897"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="861"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="863"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="865"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="867"/>
         <location filename="../../src/server/mainwindow/mainwindow.cpp" line="899"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="901"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="903"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="905"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="907"/>
         <source>Projection</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="972"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="980"/>
         <source>No client is selected.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="979"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="987"/>
         <source>The selected client is not connected.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
+        <location filename="../../build/ui_mainwindow.h" line="172"/>
         <location filename="../../src/server/mainwindow/mainwindow.cpp" line="85"/>
-        <location filename="../../trbuild/ui_mainwindow.h" line="172"/>
         <source>Lock or Unlock all Clients</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="164"/>
+        <location filename="../../build/ui_mainwindow.h" line="164"/>
         <source>PVS2 Manager</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="165"/>
+        <location filename="../../build/ui_mainwindow.h" line="165"/>
         <source>&amp;Exit</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="169"/>
+        <location filename="../../build/ui_mainwindow.h" line="169"/>
         <source>Ctrl+Q</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="170"/>
+        <location filename="../../build/ui_mainwindow.h" line="170"/>
         <source>lock</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="174"/>
+        <location filename="../../build/ui_mainwindow.h" line="174"/>
         <source>Ctrl+A</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="175"/>
+        <location filename="../../build/ui_mainwindow.h" line="175"/>
         <source>Student&apos;s Screen to Tutor</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="176"/>
+        <location filename="../../build/ui_mainwindow.h" line="176"/>
         <source>Student&apos;s Screen to Tutor, others blanked</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="177"/>
+        <location filename="../../build/ui_mainwindow.h" line="177"/>
         <source>Tutor&apos;s Screen to Student</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="178"/>
+        <location filename="../../build/ui_mainwindow.h" line="178"/>
         <source>Tutor&apos;s Screen to Everyone</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="179"/>
+        <location filename="../../build/ui_mainwindow.h" line="179"/>
         <source>Stop Projection on every Client</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="180"/>
+        <location filename="../../build/ui_mainwindow.h" line="180"/>
         <source>SetAsTutor</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="182"/>
+        <location filename="../../build/ui_mainwindow.h" line="182"/>
         <source>Set current Frame as Tutor</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="184"/>
-        <location filename="../../trbuild/ui_mainwindow.h" line="186"/>
+        <location filename="../../build/ui_mainwindow.h" line="184"/>
+        <location filename="../../build/ui_mainwindow.h" line="186"/>
         <source>Help</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="188"/>
-        <location filename="../../trbuild/ui_mainwindow.h" line="190"/>
+        <location filename="../../build/ui_mainwindow.h" line="188"/>
+        <location filename="../../build/ui_mainwindow.h" line="190"/>
         <source>Reload Room Configuration</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="193"/>
+        <location filename="../../build/ui_mainwindow.h" line="193"/>
         <source>toolBar</source>
         <translation type="unfinished"></translation>
     </message>
@@ -199,12 +210,12 @@ Note that all clients will be deleted.</source>
 <context>
     <name>ReloadRoom</name>
     <message>
-        <location filename="../../trbuild/ui_reloadroom.h" line="68"/>
+        <location filename="../../build/ui_reloadroom.h" line="68"/>
         <source>Reload Room</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_reloadroom.h" line="69"/>
+        <location filename="../../build/ui_reloadroom.h" line="69"/>
         <source>Choose room configuration to reload:</source>
         <translation type="unfinished"></translation>
     </message>
@@ -212,17 +223,17 @@ Note that all clients will be deleted.</source>
 <context>
     <name>SessionName</name>
     <message>
-        <location filename="../../trbuild/ui_sessionname.h" line="71"/>
+        <location filename="../../build/ui_sessionname.h" line="71"/>
         <source>Set session name</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_sessionname.h" line="72"/>
+        <location filename="../../build/ui_sessionname.h" line="72"/>
         <source>New session name</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_sessionname.h" line="73"/>
+        <location filename="../../build/ui_sessionname.h" line="73"/>
         <source>Random name</source>
         <translation type="unfinished"></translation>
     </message>
diff --git a/i18n/server/pvsmgr_pl_PL.ts b/i18n/server/pvsmgr_pl_PL.ts
index 6601559..634bedb 100644
--- a/i18n/server/pvsmgr_pl_PL.ts
+++ b/i18n/server/pvsmgr_pl_PL.ts
@@ -4,52 +4,52 @@
 <context>
     <name>Help</name>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="322"/>
+        <location filename="../../build/ui_help.h" line="322"/>
         <source>Form</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="324"/>
+        <location filename="../../build/ui_help.h" line="324"/>
         <source>Lock all connected students screens.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="326"/>
+        <location filename="../../build/ui_help.h" line="326"/>
         <source>Start projection from tutor to all connected students.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="328"/>
+        <location filename="../../build/ui_help.h" line="328"/>
         <source>Start projection from tutor to selected student.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="330"/>
+        <location filename="../../build/ui_help.h" line="330"/>
         <source>Start projection from selected student to tutor.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="332"/>
+        <location filename="../../build/ui_help.h" line="332"/>
         <source>Start projection from selected student to tutor and blank all others.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="334"/>
+        <location filename="../../build/ui_help.h" line="334"/>
         <source>Stop running projections.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="335"/>
+        <location filename="../../build/ui_help.h" line="335"/>
         <source>Set selected client to tutor.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="338"/>
+        <location filename="../../build/ui_help.h" line="338"/>
         <source>Refresh classroom configuration after choosing the room.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_help.h" line="339"/>
+        <location filename="../../build/ui_help.h" line="339"/>
         <source>Cancel</source>
         <translation type="unfinished"></translation>
     </message>
@@ -57,141 +57,152 @@
 <context>
     <name>MainWindow</name>
     <message>
+        <location filename="../../build/ui_mainwindow.h" line="167"/>
         <location filename="../../src/server/mainwindow/mainwindow.cpp" line="84"/>
-        <location filename="../../trbuild/ui_mainwindow.h" line="167"/>
         <source>Exit</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="573"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="972"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="979"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="575"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="980"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="987"/>
         <source>Selection</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="668"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="641"/>
+        <source>Sure, You want to change SessionName again?
+All Clients will be deleted afterwards.</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="670"/>
         <source>Session Name: %1  [click to edit]</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="718"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="722"/>
+        <source>No item selected, please select room!</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="725"/>
         <source>Are you sure you want to reload the room?
 Note that all clients will be deleted.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="779"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="781"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="783"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="812"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="814"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="816"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="818"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="787"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="789"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="791"/>
         <location filename="../../src/server/mainwindow/mainwindow.cpp" line="820"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="851"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="853"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="855"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="857"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="822"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="824"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="826"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="828"/>
         <location filename="../../src/server/mainwindow/mainwindow.cpp" line="859"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="891"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="893"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="895"/>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="897"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="861"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="863"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="865"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="867"/>
         <location filename="../../src/server/mainwindow/mainwindow.cpp" line="899"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="901"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="903"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="905"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="907"/>
         <source>Projection</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="972"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="980"/>
         <source>No client is selected.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="979"/>
+        <location filename="../../src/server/mainwindow/mainwindow.cpp" line="987"/>
         <source>The selected client is not connected.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
+        <location filename="../../build/ui_mainwindow.h" line="172"/>
         <location filename="../../src/server/mainwindow/mainwindow.cpp" line="85"/>
-        <location filename="../../trbuild/ui_mainwindow.h" line="172"/>
         <source>Lock or Unlock all Clients</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="164"/>
+        <location filename="../../build/ui_mainwindow.h" line="164"/>
         <source>PVS2 Manager</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="165"/>
+        <location filename="../../build/ui_mainwindow.h" line="165"/>
         <source>&amp;Exit</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="169"/>
+        <location filename="../../build/ui_mainwindow.h" line="169"/>
         <source>Ctrl+Q</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="170"/>
+        <location filename="../../build/ui_mainwindow.h" line="170"/>
         <source>lock</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="174"/>
+        <location filename="../../build/ui_mainwindow.h" line="174"/>
         <source>Ctrl+A</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="175"/>
+        <location filename="../../build/ui_mainwindow.h" line="175"/>
         <source>Student&apos;s Screen to Tutor</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="176"/>
+        <location filename="../../build/ui_mainwindow.h" line="176"/>
         <source>Student&apos;s Screen to Tutor, others blanked</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="177"/>
+        <location filename="../../build/ui_mainwindow.h" line="177"/>
         <source>Tutor&apos;s Screen to Student</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="178"/>
+        <location filename="../../build/ui_mainwindow.h" line="178"/>
         <source>Tutor&apos;s Screen to Everyone</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="179"/>
+        <location filename="../../build/ui_mainwindow.h" line="179"/>
         <source>Stop Projection on every Client</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="180"/>
+        <location filename="../../build/ui_mainwindow.h" line="180"/>
         <source>SetAsTutor</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="182"/>
+        <location filename="../../build/ui_mainwindow.h" line="182"/>
         <source>Set current Frame as Tutor</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="184"/>
-        <location filename="../../trbuild/ui_mainwindow.h" line="186"/>
+        <location filename="../../build/ui_mainwindow.h" line="184"/>
+        <location filename="../../build/ui_mainwindow.h" line="186"/>
         <source>Help</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="188"/>
-        <location filename="../../trbuild/ui_mainwindow.h" line="190"/>
+        <location filename="../../build/ui_mainwindow.h" line="188"/>
+        <location filename="../../build/ui_mainwindow.h" line="190"/>
         <source>Reload Room Configuration</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_mainwindow.h" line="193"/>
+        <location filename="../../build/ui_mainwindow.h" line="193"/>
         <source>toolBar</source>
         <translation type="unfinished"></translation>
     </message>
@@ -199,12 +210,12 @@ Note that all clients will be deleted.</source>
 <context>
     <name>ReloadRoom</name>
     <message>
-        <location filename="../../trbuild/ui_reloadroom.h" line="68"/>
+        <location filename="../../build/ui_reloadroom.h" line="68"/>
         <source>Reload Room</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_reloadroom.h" line="69"/>
+        <location filename="../../build/ui_reloadroom.h" line="69"/>
         <source>Choose room configuration to reload:</source>
         <translation type="unfinished"></translation>
     </message>
@@ -212,17 +223,17 @@ Note that all clients will be deleted.</source>
 <context>
     <name>SessionName</name>
     <message>
-        <location filename="../../trbuild/ui_sessionname.h" line="71"/>
+        <location filename="../../build/ui_sessionname.h" line="71"/>
         <source>Set session name</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_sessionname.h" line="72"/>
+        <location filename="../../build/ui_sessionname.h" line="72"/>
         <source>New session name</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../trbuild/ui_sessionname.h" line="73"/>
+        <location filename="../../build/ui_sessionname.h" line="73"/>
         <source>Random name</source>
         <translation type="unfinished"></translation>
     </message>