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feat: every key on the keyboard is bindable - the F-row, the six-pack, Caps Lock and the numpad

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The platform gave these keys no code at all, so a game's rebinding screen could not take
one and nothing said why. Windows asked the active layout what they type and got nothing
(w_vk_char answers 0 for a key with no character); macOS let them fall through to
charactersIgnoringModifiers, which reports NSF1FunctionKey and its neighbours at 0xF704
and up - outside the 256-bit held set either way.

w_keyval and ev_keyval now name them, with the same codes on both: 132-143 F1-F12,
144-149 Home / End / PageUp / PageDown / Insert / Delete, 150 Caps Lock, 152-161 the
numpad digits, 162-166 its * + - . and /. The numpad's Enter is Enter.

Key.F1, Key.Home, Key.Numpad0 and the rest fold at compile time, and Input.key_label
names them without asking the layout - a key that types nothing is called the same thing
on every layout.

examples/library/input_typeless_keys.ludic covers the codes, the names, the held set and
the press edge; 150 passed in ludic-dev test, 33 in selfhost-test.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-18 00:57:02 +03:00
parent 9dfa2951f6
commit 4979cc0c94
11 changed files with 21327 additions and 20462 deletions
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36
selfhost/backend/stdlib/emit_key.ludic
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@ -20,6 +20,42 @@ function key_lookup(name: pointer) -> int {
if (name == "Down") { return 129 }
if (name == "Left") { return 130 }
if (name == "Right") { return 131 }
# the keys that type nothing on any layout (0.22): the F-row, the six-pack, Caps Lock and
# the numpad. Before these the platform gave them no code at all, so nothing could bind one.
if (name == "F1") { return 132 }
if (name == "F2") { return 133 }
if (name == "F3") { return 134 }
if (name == "F4") { return 135 }
if (name == "F5") { return 136 }
if (name == "F6") { return 137 }
if (name == "F7") { return 138 }
if (name == "F8") { return 139 }
if (name == "F9") { return 140 }
if (name == "F10") { return 141 }
if (name == "F11") { return 142 }
if (name == "F12") { return 143 }
if (name == "Home") { return 144 }
if (name == "End") { return 145 }
if (name == "PageUp") { return 146 }
if (name == "PageDown") { return 147 }
if (name == "Insert") { return 148 }
if (name == "Delete") { return 149 }
if (name == "CapsLock") { return 150 }
if (name == "Numpad0") { return 152 }
if (name == "Numpad1") { return 153 }
if (name == "Numpad2") { return 154 }
if (name == "Numpad3") { return 155 }
if (name == "Numpad4") { return 156 }
if (name == "Numpad5") { return 157 }
if (name == "Numpad6") { return 158 }
if (name == "Numpad7") { return 159 }
if (name == "Numpad8") { return 160 }
if (name == "Numpad9") { return 161 }
if (name == "NumpadMultiply") { return 162 }
if (name == "NumpadAdd") { return 163 }
if (name == "NumpadSubtract") { return 164 }
if (name == "NumpadDecimal") { return 165 }
if (name == "NumpadDivide") { return 166 }
if (name == "Digit0") { return 48 }
if (name == "Digit1") { return 49 }
if (name == "Digit2") { return 50 }