Use documented name for horizontal wheel raw input flag.

rmm17 · Dec 10, 2021 · c194790 · c194790
1 parent 80740c4
commit c194790
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Showing 2 changed files with 4 additions and 2 deletions.
diff --git a/src/windows/client.c b/src/windows/client.c
@@ -748,8 +748,7 @@ static void raw_mouse_event(PRAWMOUSE rm)
             mouse_wheel_event((short)rm->usButtonData);
         }
 
-        // this flag is undocumented, but confirmed to work on Win7
-        if (rm->usButtonFlags & 0x0800) {
+        if (rm->usButtonFlags & RI_MOUSE_HWHEEL) {
             mouse_hwheel_event((short)rm->usButtonData);
         }
     }

diff --git a/src/windows/client.h b/src/windows/client.h
@@ -61,6 +61,9 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #ifndef WM_MOUSEHWHEEL
 #define WM_MOUSEHWHEEL  0x020E
 #endif
+#ifndef RI_MOUSE_HWHEEL
+#define RI_MOUSE_HWHEEL 0x0800
+#endif
 
 #ifndef __LPCGUID_DEFINED__
 #define __LPCGUID_DEFINED__