Ken Thomases : winmm: For Mac, fix joyGetPosEx() to put number of buttons pressed in dwButtonNumber field.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: edad520235881be74090dfdcca9e8a3d1823c770
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=edad520235881be74090dfdcca...

Author: Ken Thomases <ken(a)codeweavers.com>
Date:   Mon Mar 23 16:40:51 2015 -0500

winmm: For Mac, fix joyGetPosEx() to put number of buttons pressed in dwButtonNumber field.

Based on behavior of Windows revealed by interactive tests added by Bruno Jesus.

---

 dlls/winejoystick.drv/joystick_osx.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/dlls/winejoystick.drv/joystick_osx.c b/dlls/winejoystick.drv/joystick_osx.c
index cb66c47..da45450 100644
--- a/dlls/winejoystick.drv/joystick_osx.c
+++ b/dlls/winejoystick.drv/joystick_osx.c
@@ -678,8 +678,7 @@ LRESULT driver_joyGetPosEx(DWORD_PTR device_id, JOYINFOEX* info)
             if (value)
             {
                 info->dwButtons |= 1 << i;
-                if (!info->dwButtonNumber)
-                    info->dwButtonNumber = i + 1;
+                info->dwButtonNumber++;
             }
         }
     }