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Documentation: clarify how hidpi affects mouse scaling #10074

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expikr opened this issue Jun 21, 2024 · 2 comments · May be fixed by #10083
Closed

Documentation: clarify how hidpi affects mouse scaling #10074

expikr opened this issue Jun 21, 2024 · 2 comments · May be fixed by #10083

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@expikr
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expikr commented Jun 21, 2024 •
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README-hidpi.md does not mention anything about how display scaling will influence SDL's mouse input scaling.

There should be a comprehensive clarification about how each hint and dpi configuration interacts with the events which are posted, with concrete cases for various game types (FPS, hardware-cursor RTS, software-cursor rhythm games etc) and how users can set their OS settings or envvars to override developer oversights.
@slouken
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slouken commented Jun 21, 2024

It does not affect mouse input. Those units don't change.

A comprehensive guide sounds good, but probably not something we'll have time to write as we work towards SDL 3.0 release. Please feel free to create a PR with one you've written.

@slouken slouken closed this as completed Jun 21, 2024
@expikr expikr mentioned this issue Jun 22, 2024
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@expikr
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expikr commented Jun 22, 2024

Opened #10083

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Add mouse hint to README-highdpi.md expikr/SDL
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@slouken @expikr