-LaunchManager: Fixed bug if only folder(s) of protocols are present in the protocol root folder

-LaunchManager: Fixed selection color on r2025a
-PsychToolbox Video Plugins: Added error if PsychToolbox is not installed

Author: JSNeuroDev

Functions/Launch manager/LaunchManager.m

@@ -31,7 +31,7 @@
 end
 
 % Set colors if dark theme is active (r2025a or newer)
-listBGColor = [0.8 0.8 0.8];
+listBGColor = [0.9 0.9 0.9];
 if IsMATLAB_DarkMode
     listBGColor = [0.2 0.2 0.2];
 end
@@ -174,6 +174,7 @@
         % Reset to first item in list
         selectedProtocol = 1;
         set(BpodSystem.GUIHandles.ProtocolSelector, 'Value', selectedProtocol);
+        BpodSystem.GUIData.ProtocolSelectorLastValue = 1;
         return;
     end
 
@@ -198,6 +199,7 @@
     loadSettings(protocolName, BpodSystem.GUIData.DummySubjectString);
     update_datafile(protocolName, BpodSystem.GUIData.DummySubjectString);
     BpodSystem.GUIData.ProtocolSelectorLastValue = 1;
+    uicontrol(BpodSystem.GUIHandles.ProtocolSelector);
 end
 
 function ProtocolSelectorNavigate (a,b)

Functions/Plugins/PsychToolboxFrameServer.m

@@ -44,6 +44,11 @@
 
     methods  
         function obj = PsychToolboxFrameServer(varargin)
+            try
+                ptb_version = PsychtoolboxVersion;
+            catch
+                error('Psychtoolbox not found. Please ensure that Psychtoolbox is installed.')
+            end
             Screen('Preference','SkipSyncTests', 1);
             [obj.WindowSize(1), obj.WindowSize(2)]=Screen('WindowSize', 2);
             obj.Window = Screen('OpenWindow',2);

Functions/Plugins/PsychToolboxVideoPlayer.m

@@ -87,6 +87,11 @@
                     warning('on');
                 end
             end
+            try
+                ptb_version = PsychtoolboxVersion;
+            catch
+                error('Psychtoolbox not found. Please ensure that Psychtoolbox is installed.')
+            end
             obj.AllFonts = listfonts;
             Screen('Preference','SkipSyncTests', 1);
             obj.Videos = cell(1,obj.MaxVideos);