macos: add "Check for Updates" action, menu item & key-binding support (#7361)

Resolve #7325

src/App.zig

@@ -444,6 +444,7 @@ pub fn performAction(
         .close_all_windows => _ = try rt_app.performAction(.app, .close_all_windows, {}),
         .toggle_quick_terminal => _ = try rt_app.performAction(.app, .toggle_quick_terminal, {}),
         .toggle_visibility => _ = try rt_app.performAction(.app, .toggle_visibility, {}),
+        .check_for_updates => _ = try rt_app.performAction(.app, .check_for_updates, {}),
     }
 }
 

src/apprt/action.zig

@@ -255,6 +255,8 @@ pub const Action = union(Key) {
     /// it needs to ring the bell. This is usually a sound or visual effect.
     ring_bell,
 
+    check_for_updates,
+
     /// Sync with: ghostty_action_tag_e
     pub const Key = enum(c_int) {
         quit,
@@ -301,6 +303,7 @@ pub const Action = union(Key) {
         config_change,
         close_window,
         ring_bell,
+        check_for_updates,
     };
 
     /// Sync with: ghostty_action_u

src/apprt/glfw.zig

@@ -249,6 +249,7 @@ pub const App = struct {
             .prompt_title,
             .reset_window_size,
             .ring_bell,
+            .check_for_updates,
             => {
                 log.info("unimplemented action={}", .{action});
                 return false;

src/apprt/gtk/App.zig

@@ -504,6 +504,7 @@ pub fn performAction(
         .renderer_health,
         .color_change,
         .reset_window_size,
+        .check_for_updates,
         => {
             log.warn("unimplemented action={}", .{action});
             return false;

src/input/Binding.zig

@@ -509,6 +509,11 @@ pub const Action = union(enum) {
     /// This currently only works on macOS.
     toggle_visibility,
 
+    /// Check for updates.
+    ///
+    /// This currently only works on macOS.
+    check_for_updates,
+
     /// Quit ghostty.
     quit,
 
@@ -791,6 +796,7 @@ pub const Action = union(enum) {
             .quit,
             .toggle_quick_terminal,
             .toggle_visibility,
+            .check_for_updates,
             => .app,
 
             // These are app but can be special-cased in a surface context.

src/input/command.zig

@@ -364,6 +364,12 @@ fn actionCommands(action: Action.Key) []const Command {
             .description = "Toggle secure input mode.",
         }},
 
+        .check_for_updates => comptime &.{.{
+            .action = .check_for_updates,
+            .title = "Check for Updates",
+            .description = "Check for updates to the application.",
+        }},
+
         .quit => comptime &.{.{
             .action = .quit,
             .title = "Quit",