Show an error if no profiles found and disable gaming

Vocaluxe/Screens/CScreenMain.cs

@@ -27,7 +27,7 @@ namespace Vocaluxe.Screens
         // Version number for theme files. Increment it, if you've changed something on the theme files!
         protected override int _ScreenVersion
         {
-            get { return 1; }
+            get { return 2; }
         }
 
         private const string _ButtonSing = "ButtonSing";
@@ -35,23 +35,30 @@ namespace Vocaluxe.Screens
         private const string _ButtonOptions = "ButtonOptions";
         private const string _ButtonProfiles = "ButtonProfiles";
         private const string _ButtonExit = "ButtonExit";
-
-        private CText _ReleaseText;
+        private const string _StaticWarningProfiles = "StaticWarningProfiles";
+        private const string _TextWarningProfiles = "TextWarningProfiles";
+        private const string _TextRelease = "TextRelease";
 
         //CParticleEffect Snowflakes;
         public override void Init()
         {
             base.Init();
 
-            _ThemeStatics = new string[] {"StaticMenuBar"};
+            _ThemeStatics = new string[] {"StaticMenuBar", _StaticWarningProfiles};
             _ThemeButtons = new string[] {_ButtonSing, _ButtonParty, _ButtonOptions, _ButtonProfiles, _ButtonExit};
+            _ThemeTexts = new string[] {_TextRelease, _TextWarningProfiles};
         }
 
         public override void LoadTheme(string xmlPath)
         {
             base.LoadTheme(xmlPath);
 
-            _ReleaseText = GetNewText(10, 690, -1, 15, -1, EAlignment.Left, EStyle.Normal, "Normal", new SColorF(1f, 1f, 1f, 1f), CSettings.GetFullVersionText());
+            _Texts[_TextRelease].Text = CSettings.GetFullVersionText();
+            // ReSharper disable ConditionIsAlwaysTrueOrFalse
+            _Texts[_TextRelease].Visible = CSettings.VersionRevision != ERevision.Release;
+            // ReSharper restore ConditionIsAlwaysTrueOrFalse
+            _Statics[_StaticWarningProfiles].Visible = false;
+            _Texts[_TextWarningProfiles].Visible = false;
         }
 
         public override bool HandleInput(SKeyEvent keyEvent)
@@ -68,7 +75,8 @@ namespace Vocaluxe.Screens
                         break;
 
                     case Keys.S:
-                        CGraphics.FadeTo(EScreens.ScreenSong);
+                        if (CProfiles.NumProfiles > 0)
+                            CGraphics.FadeTo(EScreens.ScreenSong);
                         break;
 
                     case Keys.C:
@@ -145,6 +153,11 @@ namespace Vocaluxe.Screens
 
         public override bool UpdateGame()
         {
+            bool profileOK = CProfiles.NumProfiles > 0;
+            _Statics[_StaticWarningProfiles].Visible = !profileOK;
+            _Texts[_TextWarningProfiles].Visible = !profileOK;
+            _Buttons[_ButtonSing].Enabled = profileOK;
+            _Buttons[_ButtonParty].Enabled = profileOK;
             return true;
         }
 
@@ -159,11 +172,6 @@ namespace Vocaluxe.Screens
             //Snowflakes.Draw();
             _DrawFG();
 
-            // ReSharper disable ConditionIsAlwaysTrueOrFalse
-            if (CSettings.VersionRevision != ERevision.Release)
-                // ReSharper restore ConditionIsAlwaysTrueOrFalse
-                _ReleaseText.Draw();
-
             return true;
         }