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package moe.nea.firmament.gui.config
import org.lwjgl.glfw.GLFW
import net.minecraft.text.Text
import net.minecraft.util.Formatting
import moe.nea.firmament.keybindings.SavedKeyBinding
class KeyBindingStateManager(
val value: () -> SavedKeyBinding,
val setValue: (key: SavedKeyBinding) -> Unit,
val blur: () -> Unit,
val requestFocus: () -> Unit,
) {
var editing = false
var lastPressed = 0
var lastPressedNonModifier = 0
var label: Text = Text.literal("")
fun onClick() {
if (editing) {
editing = false
blur()
} else {
editing = true
requestFocus()
}
updateLabel()
}
fun keyboardEvent(keyCode: Int, pressed: Boolean): Boolean {
return if (pressed) onKeyPressed(keyCode, SavedKeyBinding.getModInt())
else onKeyReleased(keyCode, SavedKeyBinding.getModInt())
}
fun onKeyPressed(ch: Int, modifiers: Int): Boolean {
if (!editing) {
return false
}
if (ch == GLFW.GLFW_KEY_ESCAPE) {
lastPressedNonModifier = 0
editing = false
lastPressed = 0
setValue(SavedKeyBinding(GLFW.GLFW_KEY_UNKNOWN))
updateLabel()
blur()
return true
}
if (ch == GLFW.GLFW_KEY_LEFT_SHIFT || ch == GLFW.GLFW_KEY_RIGHT_SHIFT
|| ch == GLFW.GLFW_KEY_LEFT_ALT || ch == GLFW.GLFW_KEY_RIGHT_ALT
|| ch == GLFW.GLFW_KEY_LEFT_CONTROL || ch == GLFW.GLFW_KEY_RIGHT_CONTROL
) {
lastPressed = ch
} else {
setValue(SavedKeyBinding(
ch, modifiers
))
editing = false
blur()
lastPressed = 0
lastPressedNonModifier = 0
}
updateLabel()
return true
}
fun onLostFocus() {
lastPressedNonModifier = 0
editing = false
lastPressed = 0
updateLabel()
}
fun onKeyReleased(ch: Int, modifiers: Int): Boolean {
if (!editing)
return false
if (lastPressedNonModifier == ch || (lastPressedNonModifier == 0 && ch == lastPressed)) {
setValue(SavedKeyBinding(ch, modifiers))
editing = false
blur()
lastPressed = 0
lastPressedNonModifier = 0
}
updateLabel()
return true
}
fun updateLabel() {
var stroke = value().format()
if (editing) {
stroke = Text.literal("")
val (shift, ctrl, alt) = SavedKeyBinding.getMods(SavedKeyBinding.getModInt())
if (shift) {
stroke.append("SHIFT + ")
}
if (alt) {
stroke.append("ALT + ")
}
if (ctrl) {
stroke.append("CTRL + ")
}
stroke.append("???")
stroke.styled { it.withColor(Formatting.YELLOW) }
}
label = stroke
}
}
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