added main term (may rename later)

src/lib/MainTerm.hx

@@ -0,0 +1,101 @@
+package lib;
+
+import kernel.KernelEvents;
+import bin.Terminal;
+import kernel.ui.WindowManager;
+import kernel.ui.WindowContext;
+
+class MainTerm {
+	private static final MAX_CONTEXT:Int = 10;
+
+	private var ctx: WindowContext = null;
+	private final workspaces: Map<Int,WindowContext> = [];
+	private var currentWorkspace: Int = -1;
+
+	public function new() {
+
+	}
+
+	public function run() {
+		// Create main terminal context
+		ctx = WindowManager.instance.createNewContext();
+		WindowManager.instance.focusContextToOutput(ctx,"main");
+
+		// Setup renderer and event handlers for main terminal
+		render();
+
+		ctx.onClick.handle(e -> {
+			if (e.button != Left) return;
+			var clickedContext = e.pos.y;
+
+			if (workspaces[clickedContext] != null) {
+				focusContext(clickedContext);
+			}else {
+				var newContext = WindowManager.instance.createNewContext();
+
+				// Create new terminal
+				var term = new Terminal();
+				term.invoke(newContext);
+
+				addContextToWorkspace(newContext,clickedContext);
+				focusContext(clickedContext);
+			}
+		});
+
+		// Register global key bindings to react to main terminal
+		KernelEvents.instance.onKey.handle(e -> {
+			// Is HOME pressed?
+			// TODO: remove magic number
+			if (e.keyCode == 268){
+				focusMainTerm();
+			}
+		});
+	}
+
+	/**
+		Adds a context to the list of contexts to manage. Returns the context ID. Returns -1 if the context could not be added.
+	**/
+	private function addContextNextWorkspace(context: WindowContext): Int {
+		for (i in 0...MAX_CONTEXT) {
+			if (!workspaces.exists(i)) {
+				workspaces[i] = context;
+				return i;
+			}
+		}
+
+		return -1;
+	}
+
+	private function addContextToWorkspace(context: WindowContext, id: Int) {
+		if (!workspaces.exists(id)) {
+			workspaces[id] = context;
+		}
+	}
+
+	private function focusContext(id: Int) {
+		if (workspaces.exists(id)) {
+			WindowManager.instance.focusContextToOutput(workspaces[id],"main");
+			currentWorkspace = id;
+		}
+	}
+
+	private function focusMainTerm() {
+		render();
+		WindowManager.instance.focusContextToOutput(ctx,"main");
+		currentWorkspace = -1;
+	}
+
+	private function render() {
+		ctx.clear();
+		ctx.setCursorPos(0,0);
+
+		for(i in 0...MAX_CONTEXT){
+			ctx.setCursorPos(0,i);
+			if (workspaces.exists(i)) {
+				ctx.write("Switch to context " + i);
+			}else{
+				ctx.write("Create new Terminal on context " + i);
+			}
+		}
+	}
+}