apprt/gtk-ng: get-title

src/apprt/gtk-ng/Surface.zig

@@ -36,8 +36,7 @@ pub fn close(self: *Self, process_active: bool) void {
 }
 
 pub fn getTitle(self: *Self) ?[:0]const u8 {
-    _ = self;
-    return null;
+    return self.surface.getTitle();
 }
 
 pub fn getContentScale(self: *const Self) !apprt.ContentScale {

src/apprt/gtk-ng/class.zig

@@ -49,7 +49,11 @@ pub fn Common(
         /// A helper that can be used to create a property that reads and
         /// writes a private `?[:0]const u8` field type.
         ///
-        /// This helper helps properly manage the memory to avoid memory leaks.
+        /// Reading the property will result in a copy of the string
+        /// and callers are responsible for freeing it.
+        ///
+        /// Writing the property will free the previous value and copy
+        /// the new value into the private field.
         ///
         /// The object class (Self) must still free the private field
         /// in finalize!

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

@@ -881,6 +881,11 @@ pub const Surface = extern struct {
     //---------------------------------------------------------------
     // Properties
 
+    /// Returns the title property without a copy.
+    pub fn getTitle(self: *Self) ?[:0]const u8 {
+        return self.private().title;
+    }
+
     fn propMouseHidden(
         self: *Self,
         _: *gobject.ParamSpec,