From: Holger Schemel <info@artsoft.org>
Date: Wed, 2 Oct 2019 19:43:19 +0000 (+0200)
Subject: added showing overlay touch buttons only if touch screen is really used
X-Git-Tag: 4.1.4.0~7
X-Git-Url: https://git.artsoft.org/?p=rocksndiamonds.git;a=commitdiff_plain;h=7c435b7727b2d835e00b79365dd46102e0de08b4

added showing overlay touch buttons only if touch screen is really used
---

diff --git a/src/events.c b/src/events.c
index 32f71779..21836c9d 100644
--- a/src/events.c
+++ b/src/events.c
@@ -1449,6 +1449,9 @@ void HandleKeyEvent(KeyEvent *event)
   {
     // for any other "real" key event, disable virtual buttons
     SetOverlayEnabled(FALSE);
+
+    // for any other "real" key event, disable overlay touch buttons
+    runtime.uses_touch_device = FALSE;
   }
 #endif
 
diff --git a/src/libgame/gadgets.c b/src/libgame/gadgets.c
index 1004199f..c50fb32e 100644
--- a/src/libgame/gadgets.c
+++ b/src/libgame/gadgets.c
@@ -808,7 +808,8 @@ static void DrawGadget_OverlayTouchButton(struct GadgetInfo *gi)
   int alpha_max = SDL_ALPHA_OPAQUE;
   int alpha_step = ALPHA_FADING_STEPSIZE(alpha_max);
 
-  if (gi->mapped)
+  // only show mapped overlay touch buttons if touch screen is really used
+  if (gi->mapped && runtime.uses_touch_device)
   {
     if (alpha < alpha_max)
       alpha = MIN(alpha + alpha_step, alpha_max);