Rewrite website as a Hyprland desktop

src/lib/desktop/windows.svelte.ts

@@ -0,0 +1,52 @@
+export const pageWindowId = 'page';
+
+export interface TerminalWindow {
+	id: string;
+	startupCommand: string;
+}
+
+class WindowManager {
+	terminals = $state<TerminalWindow[]>([]);
+	focusedId = $state<string>(pageWindowId);
+	maximizedId = $state<string | null>(null);
+	launcherOpen = $state(false);
+
+	private nextTerminalNumber = 1;
+
+	openTerminal(startupCommand = '') {
+		const terminal = { id: `kitty-${this.nextTerminalNumber++}`, startupCommand };
+		this.terminals.push(terminal);
+		this.focus(terminal.id);
+	}
+
+	closeTerminal(id: string) {
+		this.terminals = this.terminals.filter((terminal) => terminal.id !== id);
+		if (this.maximizedId === id) this.maximizedId = null;
+		if (this.focusedId === id) this.focusedId = this.terminals.at(-1)?.id ?? pageWindowId;
+	}
+
+	closeAllTerminals() {
+		this.terminals = [];
+		this.maximizedId = null;
+		this.focusedId = pageWindowId;
+	}
+
+	focus(id: string) {
+		this.focusedId = id;
+		if (this.maximizedId && this.maximizedId !== id) this.maximizedId = null;
+	}
+
+	toggleMaximize(id: string) {
+		this.maximizedId = this.maximizedId === id ? null : id;
+		this.focusedId = id;
+	}
+
+	cycleFocus(openWindowIds: string[], step: number) {
+		if (openWindowIds.length === 0) return;
+		const index = openWindowIds.indexOf(this.focusedId);
+		const nextIndex = (index + step + openWindowIds.length) % openWindowIds.length;
+		this.focus(openWindowIds[nextIndex]);
+	}
+}
+
+export const windowManager = new WindowManager();