[Bf-blender-cvs] [42f8d524017] blender-v2.83-release: Fix T64277: Inverted Wheelmouse

[Jeroen Bakker]

Commit: 42f8d524017cb2e3f69bcda091df097de5964b14
Author: Jeroen Bakker
Date:   Fri May 22 07:29:53 2020 +0200
Branches: blender-v2.83-release
https://developer.blender.org/rB42f8d524017cb2e3f69bcda091df097de5964b14

Fix T64277: Inverted Wheelmouse

When using CTRL wheel mouse the items were selected in a different order than when opening the menu and use the wheel mouse.

Reviewed By: Brecht van Lommel

Differential Revision: https://developer.blender.org/D7791

===================================================================

M	source/blender/editors/interface/interface_handlers.c

===================================================================

diff --git a/source/blender/editors/interface/interface_handlers.c b/source/blender/editors/interface/interface_handlers.c
index 518efd79f16..c7cbe7f75f5 100644
--- a/source/blender/editors/interface/interface_handlers.c
+++ b/source/blender/editors/interface/interface_handlers.c
@@ -5509,7 +5509,7 @@ static int ui_do_but_BLOCK(bContext *C, uiBut *but, uiHandleButtonData *data, co
     }
     else if (but->type == UI_BTYPE_MENU) {
       if (ELEM(event->type, WHEELDOWNMOUSE, WHEELUPMOUSE) && event->ctrl) {
-        const int direction = (event->type == WHEELDOWNMOUSE) ? -1 : 1;
+        const int direction = (event->type == WHEELDOWNMOUSE) ? 1 : -1;
 
         data->value = ui_but_menu_step(but, direction);