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Fix #9743: Rework macOS Touchbar. #9776

merged 5 commits into from Jan 1, 2022

Fix #9743: Rework macOS Touchbar. #9776

merged 5 commits into from Jan 1, 2022


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@michicc michicc commented Dec 31, 2021

Motivation / Problem

The current touch bar implementation has several problems, see #9743, and is also needlessly limited to macOS 10.15+.


Touchbar sprites are now (re-)created by using the existing PopulateSystemSprites/ClearSystemSprites functionality which ensures sprites are only accessed when loaded and are re-created on graphics changes.
Sprites are created using the highest available zoom level, which should avoid crashes on reduced zoom ranges but still provide the best possible image resolution.

While at it, do some code cleanup and extend DrawSpriteToRgbaBuffer to work for 8bpp blitters as well.

(Side note: The first commit is mainly so I could even test this.)


The button texts for no/invalid sprites are not translated, but as they should never be shown with an intact baseset, I consider translating them just busywork. If requested, changing this would not be too difficult, though.

Only tested using the Xcode touchbar simulator on 10.14, not with any real hardware. As the original implementation was 10.15+ only, I can't compare if my changes introduce any graphical or functional differences.

Checklist for review

Some things are not automated, and forgotten often. This list is a reminder for the reviewers.

  • The bug fix is important enough to be backported? (label: 'backport requested')
  • This PR touches english.txt or translations? Check the guidelines
  • This PR affects the save game format? (label 'savegame upgrade')
  • This PR affects the GS/AI API? (label 'needs review: Script API')
    • ai_changelog.hpp, gs_changelog.hpp need updating.
    • The compatibility wrappers (compat_*.nut) need updating.
  • This PR affects the NewGRF API? (label 'needs review: NewGRF')

Touchbar support was introduced in 10.12.2. There's no need to limit
support to 10.15+, as the convenience class NSButtonTouchBarItem is
easily replicated.
@michicc michicc added OS: MacOS backport requested labels Dec 31, 2021
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@michicc michicc merged commit 57b9927 into OpenTTD:master Jan 1, 2022
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@michicc michicc deleted the pr/fix_9743 branch Jan 1, 2022
@TrueBrain TrueBrain added backported and removed backport requested labels Jan 5, 2022
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3 participants