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fix(ui): the pointer in the renderer's pixels - macOS reports it in window points, so on Retina every hit landed at half the cursor's position

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The old kit read Input.mouse_x() * gl_scale; ludic.ui read it raw against a layout sized in
drawable pixels. A backend says how many screen pixels one pointer unit is (pointer_scale);
render3d's is gl_pixel_scale(), 1 on Windows and headless.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-26 23:31:47 +03:00
parent 5df0747642
commit 40a91f39ed
3 changed files with 12 additions and 2 deletions
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packages/ludic.ui/backend.ludic
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@ -14,6 +14,7 @@ export property UiBackend {
clip: fn(float, float, float, float) -> void = null
unclip: fn() -> void = null
scale: fn() -> float = null # screen pixels per design pixel
pointer_scale: fn() -> float = null # screen pixels per unit of Input.mouse_x/y (2 on Retina)
translate: fn(string) -> string = null # the program's language, for every text a template shows
sound: fn(string) -> void = null # a control was used: "click", or its sound="..."
read: fn(string) -> string = null # a template file's text (else Fs.read_text)