fixed bug with invisible, but active overlay touch buttons

This fixes a nasty bug with handling (invisible) overlay touch buttons
on devices without touch screen.

diff --git a/src/libgame/gadgets.c b/src/libgame/gadgets.c
index b30082a296a74e4dfd45aeb34c82807e0692c607..cbe1cabc2e23200c04961b7733fa49ce4db9fa99 100644 (file)
--- a/src/libgame/gadgets.c
+++ b/src/libgame/gadgets.c
@@ -1479,6 +1479,10 @@ static void MapGadgetExt(struct GadgetInfo *gi, boolean redraw)
   if (gi == NULL || gi->deactivated || gi->mapped)
     return;
 
+  // do not map overlay touch buttons if touch screen is not used
+  if (gi->overlay_touch_button && !runtime.uses_touch_device)
+    return;
+
   gi->mapped = TRUE;
 
   if (redraw)