apprt/embedded: new_window can be called without a parent

macos/Sources/Features/Terminal/TerminalManager.swift

@@ -78,6 +78,12 @@ class TerminalManager {
             window.toggleFullScreen(nil)
         }
 
+        // If our app isn't active, we make it active. All new_window actions
+        // force our app to be active.
+        if !NSApp.isActive {
+            NSApp.activate(ignoringOtherApps: true)
+        }
+
         // We're dispatching this async because otherwise the lastCascadePoint doesn't
         // take effect. Our best theory is there is some next-event-loop-tick logic
         // that Cocoa is doing that we need to be after.

macos/Sources/Ghostty/Ghostty.App.swift

@@ -631,7 +631,11 @@ extension Ghostty {
         }
 
         static func newWindow(_ userdata: UnsafeMutableRawPointer?, config: ghostty_surface_config_s) {
-            let surface = self.surfaceUserdata(from: userdata)
+            let surface: SurfaceView? = if let userdata {
+                self.surfaceUserdata(from: userdata)
+            } else {
+                nil
+            }
 
             NotificationCenter.default.post(
                 name: Notification.ghosttyNewWindow,

src/App.zig

@@ -317,6 +317,7 @@ pub fn performAction(
         .unbind => unreachable,
         .ignore => {},
         .quit => try self.setQuit(),
+        .new_window => try self.newWindow(rt_app, .{ .parent = null }),
         .open_config => try self.openConfig(rt_app),
         .reload_config => try self.reloadConfig(rt_app),
         .close_all_windows => {

src/Surface.zig

@@ -3416,19 +3416,22 @@ fn showMouse(self: *Surface) void {
 /// will ever return false. We can expand this in the future if it becomes
 /// useful. We did previous/next tab so we could implement #498.
 pub fn performBindingAction(self: *Surface, action: input.Binding.Action) !bool {
-    // Handle app-scoped bindings by sending it to the app.
+    // Forward app-scoped actions to the app. Some app-scoped actions are
-    switch (action.scope()) {
+    // special-cased here because they do some special things when performed
-        .app => {
+    // from the surface.
-            try self.app.performAction(
+    if (action.scoped(.app)) |app_action| {
+        switch (app_action) {
+            .new_window => try self.app.newWindow(
+                self.rt_app,
+                .{ .parent = self },
+            ),
+
+            else => try self.app.performAction(
                 self.rt_app,
                 action.scoped(.app).?,
-            );
+            ),
-
+        }
-            return true;
+        return true;
-        },
-
-        // Surface fallthrough and handle
-        .surface => {},
     }
 
     switch (action.scoped(.surface).?) {
@@ -3653,8 +3656,6 @@ pub fn performBindingAction(self: *Surface, action: input.Binding.Action) !bool
             v,
         ),
 
-        .new_window => try self.app.newWindow(self.rt_app, .{ .parent = self }),
-
         .new_tab => {
             if (@hasDecl(apprt.Surface, "newTab")) {
                 try self.rt_surface.newTab();

src/apprt/embedded.zig

@@ -86,7 +86,8 @@ pub const App = struct {
         /// New tab with options.
         new_tab: ?*const fn (SurfaceUD, apprt.Surface.Options) callconv(.C) void = null,
 
-        /// New window with options.
+        /// New window with options. The surface may be null if there is no
+        /// target surface.
         new_window: ?*const fn (SurfaceUD, apprt.Surface.Options) callconv(.C) void = null,
 
         /// Control the inspector visibility
@@ -495,14 +496,19 @@ pub const App = struct {
     }
 
     pub fn newWindow(self: *App, parent: ?*CoreSurface) !void {
-        _ = self;
+        // If we have a parent, the surface logic handles it.
-
-        // Right now we only support creating a new window with a parent
-        // through this code.
-        // The other case is handled by the embedding runtime.
         if (parent) |surface| {
             try surface.rt_surface.newWindow();
+            return;
         }
+
+        // No parent, call the new window callback.
+        const func = self.opts.new_window orelse {
+            log.info("runtime embedder does not support new_window", .{});
+            return;
+        };
+
+        func(null, .{});
     }
 };
 

src/input/Binding.zig

@@ -279,7 +279,8 @@ pub const Action = union(enum) {
     /// available values.
     write_selection_file: WriteScreenAction,
 
-    /// Open a new window.
+    /// Open a new window. If the application isn't currently focused,
+    /// this will bring it to the front.
     new_window: void,
 
     /// Open a new tab.
@@ -562,6 +563,10 @@ pub const Action = union(enum) {
             .quit,
             => .app,
 
+            // These are app but can be special-cased in a surface context.
+            .new_window,
+            => .app,
+
             // Obviously surface actions.
             .csi,
             .esc,
@@ -593,12 +598,12 @@ pub const Action = union(enum) {
             .toggle_window_decorations,
             .toggle_secure_input,
             .crash,
+            => .surface,
 
             // These are less obvious surface actions. They're surface
             // actions because they are relevant to the surface they
             // come from. For example `new_window` needs to be sourced to
             // a surface so inheritance can be done correctly.
-            .new_window,
             .new_tab,
             .previous_tab,
             .next_tab,