apprt/gtk-ng: update to the new typedaccessor API

src/apprt/gtk-ng/class.zig

@@ -10,23 +10,6 @@ pub const Window = @import("class/window.zig").Window;
 pub const Config = @import("class/config.zig").Config;
 pub const Surface = @import("class/surface.zig").Surface;
 
-/// Unrefs the given GObject on the next event loop tick.
-///
-/// This works around an issue with zig-object where dynamically
-/// generated gobjects in property getters can't unref themselves
-/// normally: https://github.com/ianprime0509/zig-gobject/issues/108
-pub fn unrefLater(obj: anytype) void {
-    _ = glib.idleAdd((struct {
-        fn callback(data_: ?*anyopaque) callconv(.c) c_int {
-            const remove = @intFromBool(glib.SOURCE_REMOVE);
-            const data = data_ orelse return remove;
-            const object: *gobject.Object = @ptrCast(@alignCast(data));
-            object.unref();
-            return remove;
-        }
-    }).callback, obj.as(gobject.Object));
-}
-
 /// Common methods for all GObject classes we create.
 pub fn Common(
     comptime Self: type,

src/apprt/gtk-ng/class/application.zig

@@ -75,7 +75,8 @@ pub const Application = extern struct {
                         Self,
                         ?*Config,
                         .{
-                            .getter = Self.getPropConfig,
+                            .getter = Self.getConfig,
+                            .getter_transfer = .full,
                         },
                     ),
                 },
@@ -495,21 +496,7 @@ pub const Application = extern struct {
     ///
     /// The reference count is increased.
     pub fn getConfig(self: *Self) *Config {
-        var value = gobject.ext.Value.zero;
+        return self.private().config.ref();
-        gobject.Object.getProperty(
-            self.as(gobject.Object),
-            properties.config.name,
-            &value,
-        );
-
-        const obj = value.getObject().?;
-        return gobject.ext.cast(Config, obj).?;
-    }
-
-    fn getPropConfig(self: *Self) *Config {
-        // Property return must not increase reference count since
-        // the gobject getter handles this automatically.
-        return self.private().config;
     }
 
     /// Returns the core app associated with this application. This is

src/apprt/gtk-ng/class/config.zig

@@ -8,7 +8,6 @@ const gtk = @import("gtk");
 const configpkg = @import("../../../config.zig");
 const CoreConfig = configpkg.Config;
 
-const unrefLater = @import("../class.zig").unrefLater;
 const Common = @import("../class.zig").Common;
 
 const log = std.log.scoped(.gtk_ghostty_config);
@@ -47,6 +46,7 @@ pub const Config = extern struct {
                     ?*gtk.TextBuffer,
                     .{
                         .getter = Self.diagnosticsBuffer,
+                        .getter_transfer = .full,
                     },
                 ),
             },
@@ -136,7 +136,6 @@ pub const Config = extern struct {
             text_buf.insertAtCursor("\n", 1);
         }
 
-        unrefLater(text_buf); // See unrefLater docs for why this is needed
         return text_buf;
     }
 

src/apprt/gtk-ng/class/config_errors_dialog.zig

@@ -129,7 +129,9 @@ pub const ConfigErrorsDialog = extern struct {
     fn setConfig(self: *Self, config: ?*Config) void {
         const priv = self.private();
         if (priv.config) |old| old.unref();
-        if (config) |newv| _ = newv.ref();
+
+        // We don't need to increase the reference count because
+        // the property setter handles it (uses GValue.get vs. take)
         priv.config = config;
     }