Orkuncakilkaya
4979cc0c94
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>
75 lines
3.2 KiB
Text
75 lines
3.2 KiB
Text
# emit_key.ludic — `Key.Name` -> the key code the input layer delivers, folded at
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# compile time (like Color.*). Letters are the lowercase character (what the held-key
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# set stores), digits their ASCII, plus the specials; Escape is 27 (0.3, #88).
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#
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# The arrows are 128-131, the codes the platform stores them under in the held-key set
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# (cocoa.ll's ev_keyval). They used to fold to w/s/a/d, which is what the single
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# per-frame key (Input.key) reports for an arrow - but the held set never had those bits
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# for an arrow, so Input.key_down(Key.Up) and Input.move_i's arrow half never fired.
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# Input.key keeps its WASD alias, so a game comparing it with 'w' still takes the arrows.
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function key_lookup(name: pointer) -> int {
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if (name == "Space") { return 32 }
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if (name == "Enter") { return 10 }
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if (name == "Return") { return 10 }
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if (name == "Escape") { return 27 }
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if (name == "Esc") { return 27 }
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if (name == "Shift") { return 16 }
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if (name == "Tab") { return 9 }
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if (name == "Backspace") { return 8 }
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if (name == "Up") { return 128 }
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if (name == "Down") { return 129 }
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if (name == "Left") { return 130 }
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if (name == "Right") { return 131 }
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# the keys that type nothing on any layout (0.22): the F-row, the six-pack, Caps Lock and
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# the numpad. Before these the platform gave them no code at all, so nothing could bind one.
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if (name == "F1") { return 132 }
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if (name == "F2") { return 133 }
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if (name == "F3") { return 134 }
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if (name == "F4") { return 135 }
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if (name == "F5") { return 136 }
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if (name == "F6") { return 137 }
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if (name == "F7") { return 138 }
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if (name == "F8") { return 139 }
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if (name == "F9") { return 140 }
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if (name == "F10") { return 141 }
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if (name == "F11") { return 142 }
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if (name == "F12") { return 143 }
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if (name == "Home") { return 144 }
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if (name == "End") { return 145 }
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if (name == "PageUp") { return 146 }
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if (name == "PageDown") { return 147 }
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if (name == "Insert") { return 148 }
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if (name == "Delete") { return 149 }
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if (name == "CapsLock") { return 150 }
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if (name == "Numpad0") { return 152 }
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if (name == "Numpad1") { return 153 }
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if (name == "Numpad2") { return 154 }
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if (name == "Numpad3") { return 155 }
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if (name == "Numpad4") { return 156 }
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if (name == "Numpad5") { return 157 }
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if (name == "Numpad6") { return 158 }
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if (name == "Numpad7") { return 159 }
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if (name == "Numpad8") { return 160 }
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if (name == "Numpad9") { return 161 }
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if (name == "NumpadMultiply") { return 162 }
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if (name == "NumpadAdd") { return 163 }
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if (name == "NumpadSubtract") { return 164 }
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if (name == "NumpadDecimal") { return 165 }
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if (name == "NumpadDivide") { return 166 }
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if (name == "Digit0") { return 48 }
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if (name == "Digit1") { return 49 }
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if (name == "Digit2") { return 50 }
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if (name == "Digit3") { return 51 }
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if (name == "Digit4") { return 52 }
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if (name == "Digit5") { return 53 }
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if (name == "Digit6") { return 54 }
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if (name == "Digit7") { return 55 }
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if (name == "Digit8") { return 56 }
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if (name == "Digit9") { return 57 }
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# a single capital letter names that letter key: Key.A .. Key.Z
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if (name[1] == 0) {
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let c = name[0]
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if (c >= 'A') and (c <= 'Z') { return c + 32 }
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}
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return -1
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}
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