diff --git a/sources/windows.js b/sources/windows.js
new file mode 100644
index 0000000..07b8d41
--- /dev/null
+++ b/sources/windows.js
@@ -0,0 +1,108 @@
+"use strict";
+
+const Meta = imports.gi.Meta;
+const GObject = imports.gi.GObject;
+const ExtensionUtils = imports.misc.extensionUtils;
+const Me = ExtensionUtils.getCurrentExtension();
+
+const Layout = Me.imports.sources.layout;
+
+var WindowManager = GObject.registerClass(
+	class WindowManager extends GObject.Object {
+		_init() {
+			super._init();
+			this._layout = new Layout.Layout();
+			log("fairy init");
+		}
+
+		disable() {
+			Utils._disableDecorations();
+			this._removeSignals();
+		}
+
+		enable() {
+			this._bindSignals();
+			this.render();
+		}
+
+		_bindSignals() {
+			if (this._signalsBound) return;
+
+			this._signals = [
+				global.display.connect("window-created", (_display, window) => {
+					// display: Meta.Display, window: Meta.Window
+					const mon = window.get_monitor();
+					const workspace = window.on_all_workspaces
+						? ~0
+						: window.get_workspace().index() + 1;
+					log(`New window on monitor ${mon}, with tags: ${workspace}`);
+					this._layout.newWindow(mon, workspace, window);
+					this.render(mon, workspace);
+				}),
+			];
+		}
+
+		_removeSignals() {
+			for (const signal of this._signals) {
+				global.display.disconnect(signal);
+			}
+			this._signals = undefined;
+		}
+
+		/**
+		 * @param {number?} mon
+		 * @param {number?} workspace
+		 */
+		render(mon, workspace) {
+			// if (!mon) {
+			// 	for (const mon of [...Array(global.display.get_n_monitors().keys())])
+			// 		this.render(mon);
+			// 	return;
+			// }
+			// if (!workspace) {
+			// 	// for (const work of )
+			// 	// TODO: Loop on all workspaces of monitor;
+			// 	this.render(mon, 1);
+			// 	return;
+			// }
+			const monGeo = global.display.get_monitor_geometry(mon);
+			for (const window of this._layout.render(mon, workspace)) {
+				if (window.handle.get_monitor() !== mon)
+					window.handle.move_to_monitor(mon);
+				if (window.handle.minimized !== window.minimized) {
+					if (window.minimized) window.handle.minimize();
+					else window.handle.unminimize();
+				}
+				if (
+					window.handle["maximized-vertically"] !=
+					window.handle["maximized-horizontally"] ||
+					window.handle["maximized-vertically"] != window.maximized
+				) {
+					if (window.maximized) window.handle.maximize(Meta.MaximizeFlags.BOTH);
+					else window.handle.unmaximize(Meta.MaximizeFlags.BOTH);
+				}
+
+				// TODO: Add gaps
+				log("Rezing percent: ", window.x, window.y, window.width, window.height);
+				log("Resizing: ",
+					monGeo.x + (window.x * monGeo.width) / 100,
+					monGeo.y + (window.y * monGeo.height) / 100,
+					(window.width * monGeo.width) / 100,
+					(window.height * monGeo.height) / 100
+				);
+
+				// let cmpWindow = window.handle.get_compositor_private();
+				// if (!cmpWindow) return;
+				// cmpWindow.remove_all_transitions();
+
+				window.handle.move_resize_frame(
+					true,
+					monGeo.x + (window.x * monGeo.width) / 100,
+					monGeo.y + (window.y * monGeo.height) / 100,
+					(window.width * monGeo.width) / 100,
+					(window.height * monGeo.height) / 100
+				);
+			}
+		}
+	}
+);