diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/jsMain/kotlin/WebOS.kt | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/src/jsMain/kotlin/WebOS.kt b/src/jsMain/kotlin/WebOS.kt index f762d3a..d908363 100644 --- a/src/jsMain/kotlin/WebOS.kt +++ b/src/jsMain/kotlin/WebOS.kt @@ -5,7 +5,10 @@ import io.PrimitiveINode import kotlinx.browser.document import kotlinx.browser.window import org.w3c.dom.Element +import org.w3c.dom.Node import org.w3c.dom.asList +import org.w3c.dom.events.Event +import org.w3c.dom.events.KeyboardEvent fun main() { console.log("Hello from Kotlin") @@ -24,6 +27,130 @@ abstract class Activity(val console: Console) { abstract fun render(columns: Int, rows: Int): List<List<CharacterRun>> } +class PrimitiveShell(override val console: Console) : Shell { + + var currentInput = "" + + override fun start() { + console.print("${console.currentUser!!.name}@${console.os.hostname} ${console.workingDirectory} > ") + } + + override fun handleKeyPress(key: Key) = when (key) { + is Key.Printable -> { currentInput += key.char } + else -> Unit + } + +} + +sealed class Key { + object Alt : Key() + object AltGraph : Key() + object CapsLock : Key() + object Control : Key() + object Function : Key() + object FunctionLock : Key() + object Hyper : Key() + object Meta : Key() + object NumLock : Key() + object Shift : Key() + object Super : Key() + object Symbol : Key() + object SymbolLock : Key() + object Enter : Key() + object Tab : Key() + sealed class Arrow : Key() { + object Down : Key() + object Left : Key() + object Right : Key() + object Up : Key() + } + object End : Key() + object Home : Key() + object PageUp : Key() + object PageDown : Key() + object Backspace : Key() + object Clear : Key() + object Copy : Key() + object CrSel : Key() + object Cut : Key() + object Delete : Key() + object EraseEof : Key() + object ExSel : Key() + object Insert : Key() + object Paste : Key() + object Redo : Key() + object Undo : Key() + object Accept : Key() + object Again : Key() + object Attn : Key() + object Cancel : Key() + object ContextMenu : Key() + object Escape : Key() + object Execute : Key() + object Find : Key() + object Finish : Key() + object Help : Key() + class Printable(val char: Char) : Key() + companion object { + fun from(string: String) = when (string) { + "Alt" -> Alt + "AltGraph" -> AltGraph + "CapsLock" -> CapsLock + "Control" -> Control + "Fn" -> Function + "FnLock" -> FunctionLock + "Hyper" -> Hyper + "Meta" -> Meta + "NumLock" -> NumLock + "Shift" -> Shift + "Super" -> Super + "Symbol" -> Symbol + "SymbolLock" -> SymbolLock + "Enter" -> Enter + "Tab" -> Tab + "Down" -> Arrow.Down + "Left" -> Arrow.Left + "Right" -> Arrow.Right + "Up" -> Arrow.Up + "End" -> End + "Home" -> Home + "PageUp" -> PageUp + "PageDown" -> PageDown + "Backspace" -> Backspace + "Clear" -> Clear + "Copy" -> Copy + "CrSel" -> CrSel + "Cut" -> Cut + "Delete" -> Delete + "EraseEof" -> EraseEof + "ExSel" -> ExSel + "Insert" -> Insert + "Paste" -> Paste + "Redo" -> Redo + "Undo" -> Undo + "Accept" -> Accept + "Again" -> Again + "Attn" -> Attn + "Cancel" -> Cancel + "ContextMenu" -> ContextMenu + "Escape" -> Escape + "Execute" -> Execute + "Find" -> Find + "Finish" -> Finish + "Help" -> Help + else -> if (string.length == 1) Printable(string.first()) else throw TODO() + } + } +} + +interface Shell { + val console: Console + fun start() + fun handleKeyPress(key: Key) +} + +typealias KeypressHandler = (Key) -> Unit + class Console(val os: WebOS, val renderElement: Element?) { val isVirtual get() = renderElement == null val activityStack = ArrayDeque<Activity>() @@ -43,6 +170,22 @@ class Console(val os: WebOS, val renderElement: Element?) { _workingDirectory = value } + init { + renderElement?.addEventListener("keypress", ::computeKeypressEvent) + } + + var keypressHandler: KeypressHandler? = null + + fun computeKeypressEvent(event: Event) { + if (!isInFocus()) return + if (event !is KeyboardEvent) return + keypressHandler?.invoke(Key.from(event.key)) + } + + private fun isInFocus(): Boolean = renderElement.containsOrIs(document.activeElement) + + private fun Node?.containsOrIs(node: Node?) = this == node || this?.contains(node) ?: false + fun openActivity(activity: Activity) { activityStack.addLast(activity) invalidateRender() @@ -66,9 +209,40 @@ class Console(val os: WebOS, val renderElement: Element?) { // TODO: Handle resizes of the renderElement + fun print(text: String): Unit = TODO() + + fun loginAndThen(block: () -> Unit) { + print("Username: ") + var enteredUsername: Boolean = false + var username = "" + var password = "" + keypressHandler = handler@{ + if (it is Key.Enter) + if (enteredUsername) { + //TODO: Login + block() + return@handler + } else { + enteredUsername = true + print("Password: ") + } + if (it !is Key.Printable) return@handler + if (!enteredUsername) username += it.char else password += it.char + print(it.char) + } + } + + fun start() = loginAndThen { + val shell = PrimitiveShell(this) //TODO: choose shell properly + keypressHandler = shell::handleKeyPress + shell.start() + } + + } class WebOS { + val hostname: String = "host" private val _consoles = mutableListOf<Console>() val consoles get() = _consoles.toList() val files: FileService<PrimitiveINode> = PrimitiveFileService() |