added statelessVirtualTermWriter

- changed how WindowManager handles new contexts
2023-03-21 00:53:07 +01:00
parent d0670325f2
commit 347e210f5f
5 changed files with 370 additions and 181 deletions
--- a/src/kernel/ui/BufferedVirtualTermWriter.hx
+++ b/src/kernel/ui/BufferedVirtualTermWriter.hx
@@ -0,0 +1,180 @@
+package kernel.ui;
+
+import lib.Pos;
+import lib.Vec.Vec2;
+import lib.Color;
+import kernel.ui.TermWriteable;
+
+using tink.CoreApi;
+
+/**
+	A term writer that can switch beetween its internal buffer and another termwriter.
+	The other target is most of the time a real screen
+**/
+class BufferedVirtualTermWriter implements VirtualTermWriter extends TermBuffer {
+	private static final defaultSize:Vec2<Int> = {x: 50, y: 50};
+
+	private var target:TermWriteable;
+	private var enabled:Bool = false;
+	private var onResizeLink:CallbackLink;
+
+	@:allow(kernel.ui)
+	private function new(?target:TermWriteable) {
+		setTarget(target);
+
+		if (enabled) {
+			enable();
+		}
+
+		super();
+	}
+
+	public function enable() {
+		if (target != null) {
+			enabled = true;
+			super.copyBufferToTarget(target);
+		}
+	}
+
+	public function disable() {
+		enabled = false;
+	}
+
+	public inline function isEnabled():Bool {
+		return enabled;
+	}
+
+	public function setTarget(newTarget:TermWriteable) {
+		if (newTarget != null) {
+			super.setSize(newTarget.getSize());
+
+			// Remove old target event listner
+			if (onResizeLink != null) {
+				onResizeLink.cancel();
+			}
+
+			// Add new target event listner
+			onResizeLink = newTarget.onResize.handle(newSize -> {
+				setSuperSize(newSize);
+			});
+
+			newTarget.reset();
+
+			target = newTarget;
+		}
+	}
+
+	private function setSuperSize(size:Vec2<Int>) {
+		super.setSize(target.getSize());
+	}
+
+	//
+	// TermWriteable functions.
+	//
+	public override function write(text:String) {
+		if (isEnabled()) {
+			target.write(text);
+		}
+
+		super.write(text);
+	}
+
+	public override function scroll(y:Int) {
+		if (isEnabled()) {
+			target.scroll(y);
+		}
+		super.scroll(y);
+	}
+
+	public override function getCursorPos():Pos {
+		if (isEnabled()) {
+			return target.getCursorPos();
+		} else {
+			return super.getCursorPos();
+		}
+	}
+
+	public override function setCursorPos(x:Int, y:Int) {
+		if (isEnabled()) {
+			target.setCursorPos(x, y);
+		}
+
+		super.setCursorPos(x, y);
+	}
+
+	public override function getCursorBlink():Bool {
+		if (isEnabled()){
+			return target.getCursorBlink();
+		}else{
+			return super.getCursorBlink();
+		}
+	}
+
+	public override function setCursorBlink(blink:Bool) {
+		if (isEnabled()){
+			target.setCursorBlink(blink);
+		}
+		super.setCursorBlink(blink);
+	}
+
+	public override function getSize():Vec2<Int> {
+		// TODO: make sense ?
+		if (target != null) {
+			return target.getSize();
+		}
+
+		return defaultSize;
+	}
+
+	public override function clear() {
+		if (isEnabled()) {
+			target.clear();
+		}
+
+		super.clear();
+	}
+
+	public override function clearLine() {
+		if (isEnabled()) {
+			target.clearLine();
+		}
+
+		super.clearLine();
+	}
+
+	public override function getTextColor():Color {
+		if (isEnabled()) {
+			return target.getTextColor();
+		}
+
+		return super.getTextColor();
+	}
+
+	public override function setTextColor(color:Color) {
+		if (isEnabled()) {
+			target.setTextColor(color);
+		}
+
+		super.setTextColor(color);
+	}
+
+	public override function getBackgroundColor():Color {
+		if (isEnabled()) {
+			return target.getBackgroundColor();
+		}
+
+		return super.getBackgroundColor();
+	}
+
+	public override function setBackgroundColor(color:Color) {
+		if (isEnabled()) {
+			target.setBackgroundColor(color);
+		}
+
+		super.setBackgroundColor(color);
+	}
+
+	public override function isColor():Bool {
+		throw new haxe.exceptions.NotImplementedException();
+	}
+}