From dd9283d8e624d20e50fc756f1e969323dd972923 Mon Sep 17 00:00:00 2001
From: jess <jess@else-if.org>
Date: Sat, 4 Apr 2026 22:08:11 -0700
Subject: [PATCH] seamless title bar, ctrl+b sidebar toggle

---
 src/AppDelegate.swift | 30 +++++++++++++++++++++++++++---
 1 file changed, 27 insertions(+), 3 deletions(-)

diff --git a/src/AppDelegate.swift b/src/AppDelegate.swift
index f84d6f7..6420152 100644
--- a/src/AppDelegate.swift
+++ b/src/AppDelegate.swift
@@ -1,9 +1,11 @@
 import Cocoa
+import Combine
 import SwiftUI
 
 class AppDelegate: NSObject, NSApplicationDelegate {
     var window: NSWindow!
     var appState: AppState!
+    private var titleCancellable: AnyCancellable?
 
     func applicationDidFinishLaunching(_ notification: Notification) {
         appState = AppState()
@@ -13,10 +15,13 @@ class AppDelegate: NSObject, NSApplicationDelegate {
 
         window = NSWindow(
             contentRect: NSRect(x: 0, y: 0, width: 1200, height: 800),
-            styleMask: [.titled, .closable, .miniaturizable, .resizable],
+            styleMask: [.titled, .closable, .miniaturizable, .resizable, .fullSizeContentView],
             backing: .buffered,
             defer: false
         )
+        window.titlebarAppearsTransparent = true
+        window.titleVisibility = .hidden
+        window.backgroundColor = Theme.current.base
         window.title = "Swiftly"
         window.contentView = hostingView
         window.center()
@@ -24,6 +29,7 @@ class AppDelegate: NSObject, NSApplicationDelegate {
         window.makeKeyAndOrderFront(nil)
 
         setupMenuBar()
+        observeDocumentTitle()
     }
 
     func applicationShouldTerminateAfterLastWindowClosed(_ sender: NSApplication) -> Bool {
@@ -107,8 +113,8 @@ class AppDelegate: NSObject, NSApplicationDelegate {
     private func buildViewMenu() -> NSMenuItem {
         let item = NSMenuItem()
         let menu = NSMenu(title: "View")
-        let toggleItem = NSMenuItem(title: "Toggle Sidebar", action: #selector(toggleSidebar), keyEquivalent: "\\")
-        toggleItem.keyEquivalentModifierMask = .command
+        let toggleItem = NSMenuItem(title: "Toggle Sidebar", action: #selector(toggleSidebar), keyEquivalent: "b")
+        toggleItem.keyEquivalentModifierMask = .control
         toggleItem.target = self
         menu.addItem(toggleItem)
         item.submenu = menu
@@ -160,4 +166,22 @@ class AppDelegate: NSObject, NSApplicationDelegate {
     @objc private func toggleSidebar() {
         NotificationCenter.default.post(name: .toggleSidebar, object: nil)
     }
+
+    private func observeDocumentTitle() {
+        titleCancellable = appState.$documentText
+            .receive(on: RunLoop.main)
+            .sink { [weak self] text in
+                guard let self = self else { return }
+                let firstLine = text.components(separatedBy: "\n").first?
+                    .trimmingCharacters(in: .whitespaces) ?? ""
+                if firstLine.isEmpty {
+                    self.window.title = "Swiftly"
+                } else {
+                    let clean = firstLine.replacingOccurrences(
+                        of: "^#+\\s*", with: "", options: .regularExpression
+                    )
+                    self.window.title = clean.isEmpty ? "Swiftly" : String(clean.prefix(60))
+                }
+            }
+    }
 }