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KeyCode.kt
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189 lines (180 loc) · 6.34 KB
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/*
* Copyright 2025 Lambda
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.lambda.util
import org.lwjgl.glfw.GLFW
enum class KeyCode(val code: Int) {
Unbound(GLFW.GLFW_KEY_UNKNOWN),
Space(GLFW.GLFW_KEY_SPACE),
Apostrophe(GLFW.GLFW_KEY_APOSTROPHE),
Comma(GLFW.GLFW_KEY_COMMA),
Minus(GLFW.GLFW_KEY_MINUS),
Period(GLFW.GLFW_KEY_PERIOD),
Slash(GLFW.GLFW_KEY_SLASH),
Num0(GLFW.GLFW_KEY_0),
Num1(GLFW.GLFW_KEY_1),
Num2(GLFW.GLFW_KEY_2),
Num3(GLFW.GLFW_KEY_3),
Num4(GLFW.GLFW_KEY_4),
Num5(GLFW.GLFW_KEY_5),
Num6(GLFW.GLFW_KEY_6),
Num7(GLFW.GLFW_KEY_7),
Num8(GLFW.GLFW_KEY_8),
Num9(GLFW.GLFW_KEY_9),
Semicolon(GLFW.GLFW_KEY_SEMICOLON),
Equal(GLFW.GLFW_KEY_EQUAL),
A(GLFW.GLFW_KEY_A),
B(GLFW.GLFW_KEY_B),
C(GLFW.GLFW_KEY_C),
D(GLFW.GLFW_KEY_D),
E(GLFW.GLFW_KEY_E),
F(GLFW.GLFW_KEY_F),
G(GLFW.GLFW_KEY_G),
H(GLFW.GLFW_KEY_H),
I(GLFW.GLFW_KEY_I),
J(GLFW.GLFW_KEY_J),
K(GLFW.GLFW_KEY_K),
L(GLFW.GLFW_KEY_L),
M(GLFW.GLFW_KEY_M),
N(GLFW.GLFW_KEY_N),
O(GLFW.GLFW_KEY_O),
P(GLFW.GLFW_KEY_P),
Q(GLFW.GLFW_KEY_Q),
R(GLFW.GLFW_KEY_R),
S(GLFW.GLFW_KEY_S),
T(GLFW.GLFW_KEY_T),
U(GLFW.GLFW_KEY_U),
V(GLFW.GLFW_KEY_V),
W(GLFW.GLFW_KEY_W),
X(GLFW.GLFW_KEY_X),
Y(GLFW.GLFW_KEY_Y),
Z(GLFW.GLFW_KEY_Z),
LeftBracket(GLFW.GLFW_KEY_LEFT_BRACKET),
Backslash(GLFW.GLFW_KEY_BACKSLASH),
RightBracket(GLFW.GLFW_KEY_RIGHT_BRACKET),
GraveAccent(GLFW.GLFW_KEY_GRAVE_ACCENT),
World1(GLFW.GLFW_KEY_WORLD_1),
World2(GLFW.GLFW_KEY_WORLD_2),
Escape(GLFW.GLFW_KEY_ESCAPE),
Enter(GLFW.GLFW_KEY_ENTER),
Tab(GLFW.GLFW_KEY_TAB),
Backspace(GLFW.GLFW_KEY_BACKSPACE),
Insert(GLFW.GLFW_KEY_INSERT),
Delete(GLFW.GLFW_KEY_DELETE),
Right(GLFW.GLFW_KEY_RIGHT),
Left(GLFW.GLFW_KEY_LEFT),
Down(GLFW.GLFW_KEY_DOWN),
Up(GLFW.GLFW_KEY_UP),
PageUp(GLFW.GLFW_KEY_PAGE_UP),
PageDown(GLFW.GLFW_KEY_PAGE_DOWN),
Home(GLFW.GLFW_KEY_HOME),
End(GLFW.GLFW_KEY_END),
CapsLock(GLFW.GLFW_KEY_CAPS_LOCK),
ScrollLock(GLFW.GLFW_KEY_SCROLL_LOCK),
NumLock(GLFW.GLFW_KEY_NUM_LOCK),
PrintScreen(GLFW.GLFW_KEY_PRINT_SCREEN),
Pause(GLFW.GLFW_KEY_PAUSE),
F1(GLFW.GLFW_KEY_F1),
F2(GLFW.GLFW_KEY_F2),
F3(GLFW.GLFW_KEY_F3),
F4(GLFW.GLFW_KEY_F4),
F5(GLFW.GLFW_KEY_F5),
F6(GLFW.GLFW_KEY_F6),
F7(GLFW.GLFW_KEY_F7),
F8(GLFW.GLFW_KEY_F8),
F9(GLFW.GLFW_KEY_F9),
F10(GLFW.GLFW_KEY_F10),
F11(GLFW.GLFW_KEY_F11),
F12(GLFW.GLFW_KEY_F12),
F13(GLFW.GLFW_KEY_F13),
F14(GLFW.GLFW_KEY_F14),
F15(GLFW.GLFW_KEY_F15),
F16(GLFW.GLFW_KEY_F16),
F17(GLFW.GLFW_KEY_F17),
F18(GLFW.GLFW_KEY_F18),
F19(GLFW.GLFW_KEY_F19),
F20(GLFW.GLFW_KEY_F20),
F21(GLFW.GLFW_KEY_F21),
F22(GLFW.GLFW_KEY_F22),
F23(GLFW.GLFW_KEY_F23),
F24(GLFW.GLFW_KEY_F24),
F25(GLFW.GLFW_KEY_F25),
Kp0(GLFW.GLFW_KEY_KP_0),
Kp1(GLFW.GLFW_KEY_KP_1),
Kp2(GLFW.GLFW_KEY_KP_2),
Kp3(GLFW.GLFW_KEY_KP_3),
Kp4(GLFW.GLFW_KEY_KP_4),
Kp5(GLFW.GLFW_KEY_KP_5),
Kp6(GLFW.GLFW_KEY_KP_6),
Kp7(GLFW.GLFW_KEY_KP_7),
Kp8(GLFW.GLFW_KEY_KP_8),
Kp9(GLFW.GLFW_KEY_KP_9),
KpDecimal(GLFW.GLFW_KEY_KP_DECIMAL),
KpDivide(GLFW.GLFW_KEY_KP_DIVIDE),
KpMultiply(GLFW.GLFW_KEY_KP_MULTIPLY),
KpSubtract(GLFW.GLFW_KEY_KP_SUBTRACT),
KpAdd(GLFW.GLFW_KEY_KP_ADD),
KpEnter(GLFW.GLFW_KEY_KP_ENTER),
KpEqual(GLFW.GLFW_KEY_KP_EQUAL),
LeftShift(GLFW.GLFW_KEY_LEFT_SHIFT),
LeftControl(GLFW.GLFW_KEY_LEFT_CONTROL),
LeftAlt(GLFW.GLFW_KEY_LEFT_ALT),
LeftSuper(GLFW.GLFW_KEY_LEFT_SUPER),
RightShift(GLFW.GLFW_KEY_RIGHT_SHIFT),
RightControl(GLFW.GLFW_KEY_RIGHT_CONTROL),
RightAlt(GLFW.GLFW_KEY_RIGHT_ALT),
RightSuper(GLFW.GLFW_KEY_RIGHT_SUPER),
Menu(GLFW.GLFW_KEY_MENU),
Last(GLFW.GLFW_KEY_LAST);
companion object {
private const val PRINTABLE_POOL = "`-=[]\\,;\'./"
private val glfwPool = intArrayOf(
GLFW.GLFW_KEY_GRAVE_ACCENT, GLFW.GLFW_KEY_MINUS, GLFW.GLFW_KEY_EQUAL,
GLFW.GLFW_KEY_LEFT_BRACKET, GLFW.GLFW_KEY_RIGHT_BRACKET, GLFW.GLFW_KEY_BACKSLASH,
GLFW.GLFW_KEY_COMMA, GLFW.GLFW_KEY_SEMICOLON, GLFW.GLFW_KEY_APOSTROPHE,
GLFW.GLFW_KEY_PERIOD, GLFW.GLFW_KEY_SLASH, 0
)
private val keyCodeMap = entries.associateBy { it.code }
private val nameMap = entries.associateBy { it.name.lowercase() }
fun fromKeyCode(keyCode: Int) = keyCodeMap[keyCode] ?: Unbound
fun fromKeyName(name: String) = nameMap[name.lowercase()] ?: Unbound
/**
* Maps a US virtual keyboard input to a [KeyCode].
*
* For key codes in the keypad range, the [keyCode] is directly mapped.
* If the key corresponds to a printable character or letter, it is mapped
* to its corresponding [KeyCode] based on the US layout.
*
* @see <a href="https://github.com/glfw/glfw/issues/1502#issuecomment-1005841055">ImGui impl
*/
fun virtualMapUS(keyCode: Int, scanCode: Int): KeyCode {
if (keyCode <= 0) return fromKeyCode(keyCode)
if (keyCode in GLFW.GLFW_KEY_KP_0..GLFW.GLFW_KEY_KP_EQUAL) return fromKeyCode(keyCode)
val keyName = GLFW.glfwGetKeyName(keyCode, scanCode) ?: return fromKeyCode(keyCode)
return fromKeyCode(when (
val char = keyName.first()
) {
in '0'..'9' -> GLFW.GLFW_KEY_0 + (char - '0')
in 'A'..'Z' -> GLFW.GLFW_KEY_A + (char - 'A')
in 'a'..'z' -> GLFW.GLFW_KEY_A + (char - 'a')
else -> {
val i = PRINTABLE_POOL.indexOf(keyName)
if (i >= 0) glfwPool[i] else keyCode
}
})
}
}
}