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fix(input): keys are physical positions on every layout; Input.key_label names them

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The Windows runtime keyed the held set by the character MapVirtualKeyA gave a
virtual key, so a game's WASD belonged to whatever the active layout put there,
and with an input method on every letter arrived as VK_PROCESSKEY. The typing
block is now read from the scancode (the arrows, numpad and F-keys still by
virtual key); macOS reads keyCode the same way. Input.key_label(key) names a key
in the player's own layout (Windows) or as its US character elsewhere.

Verified on Windows with SendInput into a live window: VK_Z carrying W's scancode
holds 'w', VK_PROCESSKEY carrying A's holds 'a', Caps Lock changes nothing.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-15 23:26:53 +03:00
parent 2a2f463d5b
commit 619476ffed
14 changed files with 60552 additions and 60168 deletions
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1
selfhost/backend/emit_call.ludic
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@ -449,6 +449,7 @@ function emit_ns_call(ns: pointer, meth: pointer, e: Node) -> Val {
if (meth == "key_down") { bare = "input_key_down"; push(labels, "key") }
if (meth == "key_pressed") { bare = "input_key_pressed"; push(labels, "key") }
if (meth == "key_released") { bare = "input_key_released"; push(labels, "key") }
if (meth == "key_label") { bare = "input_key_label"; push(labels, "key") }
if (meth == "press") { bare = "input_press"; push(labels, "key") }
if (meth == "release") { bare = "input_release"; push(labels, "key") }
if (meth == "axis") { bare = "input_axis"; push(labels, "neg"); push(labels, "pos") }

1
selfhost/backend/emit_head.ludic
View file

@ -108,6 +108,7 @@ function emit_header() -> void {
emith("declare i32 @win_running()\n")
emith("declare void @win_close()\n")
emith("declare void @win_held(ptr)\n")
emith("declare i32 @win_key_char(i32)\n")
emith("declare void @win_mouse(ptr)\n")
emith("declare void @win_pad(ptr)\n")
emith("declare void @win_touch(ptr)\n")

4
selfhost/backend/emit_intrin2.ludic
View file

@ -21,6 +21,7 @@ function is_intrinsic2(name: pointer) -> bool {
if (name == "win_open") or (name == "win_poll") or (name == "win_present") { return true }
if (name == "win_running") or (name == "win_close") { return true }
if (name == "win_held") or (name == "win_mouse") { return true } # #50 device layer
if (name == "win_key_char") { return true } # Input.key_label
if (name == "win_pad") or (name == "win_touch") { return true } # #51 gamepad / touch
if (name == "win_cursor_mode") { return true } # #89 cursor capture
if (name == "snd_load") or (name == "snd_play") or (name == "snd_stop") { return true } # #22 audio
@ -71,6 +72,9 @@ function emit_intrinsic2(name: pointer, e: Node) -> Val {
# button-mask, wheel-delta].
if (name == "win_held") { let a = arg_code(e, 0); emit(" call void @win_held(ptr "); emit(a); emit(")\n"); return val("0", "void") }
if (name == "win_mouse") { let a = arg_code(e, 0); emit(" call void @win_mouse(ptr "); emit(a); emit(")\n"); return val("0", "void") }
# what the active keyboard layout types on a held-set key position (windowed only,
# DCE'd headless): a code point, 0 for none.
if (name == "win_key_char") { let a = arg_code(e, 0); return val(emit_bind(`call i32 @win_key_char(i32 {a})`), "int") }
# #51 — win_pad: 6 words/pad [connected, mask, lx, ly, rx, ry]; win_touch: 3
# words/point [active, x, y]. Both windowed-only, DCE'd headless.
if (name == "win_pad") { let a = arg_code(e, 0); emit(" call void @win_pad(ptr "); emit(a); emit(")\n"); return val("0", "void") }