Refactor to use height/width from ghostty configuration

macos/Sources/App/macOS/AppDelegate.swift

@@ -753,16 +753,6 @@ class AppDelegate: NSObject,
         quickController.toggle()
     }
 
-    @IBAction func returnToDefaultSize(_ sender: Any) {
-        guard let window = NSApp.keyWindow else { return }
-        let currentOrigin = window.frame.origin
-        let newFrame = NSRect(
-            origin: currentOrigin,
-            size: WindowConfig.defaultSize
-        )
-        window.setFrame(newFrame, display: true)
-    }
-
     /// Toggles visibility of all Ghosty Terminal windows. When hidden, activates Ghostty as the frontmost application
     @IBAction func toggleVisibility(_ sender: Any) {
         // If we have focus, then we hide all windows.
@@ -814,10 +804,6 @@ class AppDelegate: NSObject,
         }
     }
 
-    private enum WindowConfig {
-        static let defaultSize = CGSize(width: 800, height: 600)
-    }
-
     private struct ToggleVisibilityState {
         let hiddenWindows: [Weak<NSWindow>]
         let keyWindow: Weak<NSWindow>?
@@ -847,23 +833,3 @@ class AppDelegate: NSObject,
         }
     }
 }
-
-extension AppDelegate: NSMenuItemValidation {
-    func validateMenuItem(_ item: NSMenuItem) -> Bool {
-        switch item.action {
-        case #selector(returnToDefaultSize):
-            guard let focusedWindow = NSApp.keyWindow else {
-                return false
-            }
-            if focusedWindow.styleMask.contains(.fullScreen) {
-                return false
-            }
-            if focusedWindow.frame.size == WindowConfig.defaultSize {
-                return false
-            }
-            return true
-        default:
-            return true
-        }
-    }
-}

macos/Sources/Features/Terminal/TerminalController.swift

@@ -578,6 +578,23 @@ class TerminalController: BaseTerminalController {
         window.close()
     }
 
+    @IBAction func returnToDefaultSize(_ sender: Any) {
+        guard
+            let window = NSApp.keyWindow,
+            let initialWidth = ghostty.config.windowWidth,
+            let initialHeight = ghostty.config.windowHeight
+        else { return }
+        let currentOrigin = window.frame.origin
+        let newFrame = NSRect(
+            origin: currentOrigin,
+            size: .init(
+                width: CGFloat(initialWidth),
+                height: CGFloat(initialHeight)
+            )
+        )
+        window.setFrame(newFrame, display: true)
+    }
+
     @IBAction override func closeWindow(_ sender: Any?) {
         guard let window = window else { return }
         guard let tabGroup = window.tabGroup else {
@@ -823,3 +840,32 @@ class TerminalController: BaseTerminalController {
         }
     }
 }
+
+
+extension TerminalController: NSMenuItemValidation {
+    func validateMenuItem(_ item: NSMenuItem) -> Bool {
+        switch item.action {
+        case #selector(returnToDefaultSize):
+            guard let focusedWindow = NSApp.keyWindow else {
+                return false
+            }
+            if focusedWindow.styleMask.contains(.fullScreen) {
+                return false
+            }
+            guard
+                let windowWidth = ghostty.config.windowWidth,
+                let windowHeight = ghostty.config.windowHeight,
+                focusedWindow.frame.size != .init(
+                    width: CGFloat(windowWidth),
+                    height: CGFloat(windowHeight)
+                )
+            else {
+                return false
+            }
+            return true
+        default:
+            return true
+        }
+    }
+}
+

macos/Sources/Ghostty/Ghostty.Config.swift

@@ -140,7 +140,21 @@ extension Ghostty {
             guard let ptr = v else { return "" }
             return String(cString: ptr)
         }
-        
+
+        var windowHeight: Int16? {
+            guard let config = self.config else { return nil }
+            var v: Int16 = 0
+            let key = "window-height"
+            return ghostty_config_get(config, &v, key, UInt(key.count)) ? v : nil
+        }
+
+        var windowWidth: Int16? {
+            guard let config = self.config else { return nil }
+            var v: Int16 = 0
+            let key = "window-width"
+            return ghostty_config_get(config, &v, key, UInt(key.count)) ? v : nil
+        }
+
         var windowPositionX: Int16? {
             guard let config = self.config else { return nil }
             var v: Int16 = 0