Fixed double-click-bug on screen-song.

Vocaluxe/Screens/CScreenSong.cs

@@ -449,9 +449,7 @@ namespace Vocaluxe.Screens
 
             if (mouseEvent.LD && !_Sso.Selection.PartyMode)
             {
-                //TODO: Causes Bug if you select a song (e.g. with Select random song) and double click a normal button.
-                //E.g. clicking to fast on Select random song starts the next random song. is this OK?
-                if (CSongs.NumSongsVisible > 0 && _SongMenus[_SongMenu].GetActualSelection() != -1)
+                if (CSongs.NumSongsVisible > 0 && _SongMenus[_SongMenu].GetActualSelection() != -1 && _SongMenus[_SongMenu].IsMouseOverActualSelection(mouseEvent))
                 {
                     _ToggleSongOptions(ESongOptionsView.None);
                     _StartVisibleSong(_SongMenus[_SongMenu].GetActualSelection());

VocaluxeLib/Menu/SongMenu/CSongMenu.cs

@@ -98,6 +98,11 @@ namespace VocaluxeLib.Menu.SongMenu
             _SongMenu.SetActive(active);
         }
 
+        public bool IsMouseOverActualSelection(SMouseEvent mEvent)
+        {
+            return _SongMenu.IsMouseOverActualSelection(mEvent);
+        }
+
         public int GetSelectedSong()
         {
             return _SongMenu.GetSelectedSong();

VocaluxeLib/Menu/SongMenu/CSongMenuFramework.cs

@@ -518,6 +518,8 @@ namespace VocaluxeLib.Menu.SongMenu
             _Active = active;
         }
 
+        public virtual bool IsMouseOverActualSelection(SMouseEvent mEvent) { return false; }
+
         public virtual int GetSelectedSong()
         {
             return -1;

VocaluxeLib/Menu/SongMenu/CSongMenuTileBoard.cs

@@ -485,6 +485,15 @@ namespace VocaluxeLib.Menu.SongMenu
             return _Locked;
         }
 
+        public override bool IsMouseOverActualSelection(SMouseEvent mEvent)
+        {
+            CStatic selCov = GetSelectedSongCover();
+            if (selCov.Texture == null)
+                return false;
+            SRectF rect = new SRectF(selCov.Rect.X - selCov.Rect.W*0.2f, selCov.Rect.Y - selCov.Rect.H*0.2f, selCov.Rect.W*1.2f, selCov.Rect.H*1.2f, selCov.Rect.Z);
+            return CHelper.IsInBounds(rect, mEvent);
+        }
+
         public override CStatic GetSelectedSongCover()
         {
             foreach (CStatic tile in _Tiles)

VocaluxeLib/Menu/SongMenu/ISongMenu.cs

@@ -40,6 +40,8 @@ namespace VocaluxeLib.Menu.SongMenu
         bool IsActive();
         void SetActive(bool active);
 
+        bool IsMouseOverActualSelection(SMouseEvent mEvent);
+
         int GetSelectedCategory();
         void SetSelectedCategory(int categoryNr);
         int GetActualSelection();