Make parameter 'other_file' nullable in Gio.FileMonitor.emit_event

Signed-off-by: fbrouille <fbrouille@users.noreply.github.com>

Author: fbrouille

gio/Gir.toml

@@ -74,7 +74,6 @@ generate = [
     "Gio.FileInputStream",
     "Gio.FileIOStream",
     "Gio.FileMeasureFlags",
-    "Gio.FileMonitor",
     "Gio.FileMonitorEvent",
     "Gio.FileMonitorFlags",
     "Gio.FilenameCompleter",
@@ -916,6 +915,17 @@ status = "generate"
     # use strv
     manual = true
 
+[[object]]
+name = "Gio.FileMonitor"
+status = "generate"
+    [[object.function]]
+    name = "emit_event"
+        [[object.function.parameter]]
+        name = "other_file"
+        # enforce nullable parameter, since parameter other_file
+        # is nullable in GFileMonitor::changed signal.
+        nullable = true
+
 [[object]]
 name = "Gio.FilterOutputStream"
 status = "generate"

gio/src/auto/file_monitor.rs

@@ -34,14 +34,14 @@ pub trait FileMonitorExt: IsA<FileMonitor> + 'static {
     fn emit_event(
         &self,
         child: &impl IsA<File>,
-        other_file: &impl IsA<File>,
+        other_file: Option<&impl IsA<File>>,
         event_type: FileMonitorEvent,
     ) {
         unsafe {
             ffi::g_file_monitor_emit_event(
                 self.as_ref().to_glib_none().0,
                 child.as_ref().to_glib_none().0,
-                other_file.as_ref().to_glib_none().0,
+                other_file.map(|p| p.as_ref()).to_glib_none().0,
                 event_type.into_glib(),
             );
         }