From 3143dc1e847d77e5e77bc5548f1910fe5559728d Mon Sep 17 00:00:00 2001
From: Geoffrey McRae <geoff@hostfission.com>
Date: Sat, 31 Jul 2021 16:12:52 +1000
Subject: [PATCH] [client] x11: call app_handleWheelMotion for imgui scroll
 interaction

---
 client/displayservers/X11/x11.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/client/displayservers/X11/x11.c b/client/displayservers/X11/x11.c
index 3a6f1d0d..8386320a 100644
--- a/client/displayservers/X11/x11.c
+++ b/client/displayservers/X11/x11.c
@@ -810,7 +810,14 @@ static void x11GenericEvent(XGenericEventCookie *cookie)
         return;
 
       XIDeviceEvent *device = cookie->data;
-      app_handleButtonPress(device->detail);
+      if (device->detail == 4)
+        app_handleWheelMotion(-0.5);
+      else if (device->detail == 5)
+        app_handleWheelMotion(0.5);
+      else
+        app_handleButtonPress(
+            device->detail > 5 ? device->detail - 2 : device->detail);
+
       return;
     }