winemac: Don't generate scroll wheel events for axes with 0 delta.

1b9fac3b · Ken Thomases · Alexandre Julliard · b755674d · 1b9fac3b
Commit 1b9fac3b authored Aug 26, 2013 by Ken Thomases Committed by Alexandre Julliard Aug 27, 2013
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Showing with 8 additions and 6 deletions

mouse.c dlls/winemac.drv/mouse.c +8 -6

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--- a/dlls/winemac.drv/mouse.c
+++ b/dlls/winemac.drv/mouse.c
@@ -911,12 +911,14 @@ void macdrv_mouse_scroll(HWND hwnd, const macdrv_event *event)
          event->mouse_scroll.x, event->mouse_scroll.y,
          event->mouse_scroll.time_ms, (GetTickCount() - event->mouse_scroll.time_ms));

-    send_mouse_input(hwnd, event->window, MOUSEEVENTF_WHEEL | MOUSEEVENTF_ABSOLUTE | MOUSEEVENTF_MOVE,
-                     event->mouse_scroll.x, event->mouse_scroll.y,
-                     event->mouse_scroll.y_scroll, FALSE, event->mouse_scroll.time_ms);
-    send_mouse_input(hwnd, event->window, MOUSEEVENTF_HWHEEL | MOUSEEVENTF_ABSOLUTE | MOUSEEVENTF_MOVE,
-                     event->mouse_scroll.x, event->mouse_scroll.y,
-                     event->mouse_scroll.x_scroll, FALSE, event->mouse_scroll.time_ms);
+    if (event->mouse_scroll.y_scroll)
+        send_mouse_input(hwnd, event->window, MOUSEEVENTF_WHEEL | MOUSEEVENTF_ABSOLUTE | MOUSEEVENTF_MOVE,
+                         event->mouse_scroll.x, event->mouse_scroll.y,
+                         event->mouse_scroll.y_scroll, FALSE, event->mouse_scroll.time_ms);
+    if (event->mouse_scroll.x_scroll)
+        send_mouse_input(hwnd, event->window, MOUSEEVENTF_HWHEEL | MOUSEEVENTF_ABSOLUTE | MOUSEEVENTF_MOVE,
+                         event->mouse_scroll.x, event->mouse_scroll.y,
+                         event->mouse_scroll.x_scroll, FALSE, event->mouse_scroll.time_ms);
 }