[macOS] Changing the batch size via mouse wheel broken

[Langbart]

An issue was reported via IRC 0ad-dev ​17/Apr/22

issue

11:36 < kumikumi> I just noticed that on mac, shift+mouse wheel is not working when hovering over the unit training icons (should change batch size). Does anybody else have this issue?
11:37 < kumikumi> (mouse wheel otherwise works e.g. for zooming in-game)
11:38 < kumikumi> instead of changing batch size, it rotates the view

possible workaround

The default hotkey for Batch production is SHIFT, when changing it to another key e.g. ALT the batch adjustment via the mouse wheel works correctly.

reproducible

The issue is reproducible for the current GIT version and prior releases (tested up to A23b).

related

The problem may only occur with non-Apple mice. I remember that batch adjustment (with Shift) worked correctly with my old "Magic Mouse", after I switched to Logitech this problem occurred. Also, the batch adjustment works perfectly on a Macbook with a trackpad by using two fingers to scroll.

[Langbart]

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