[gnome-music/wip/mschraal/gtk4: 92/102] headerbars: Fix title widget

[Marinus Schraal <mschraal src gnome org>]

commit dc9f9636b1213720ed60df4aed259664c383cee0
Author: Marinus Schraal <mschraal gnome org>
Date:   Mon Jun 8 01:10:24 2020 +0200

    headerbars: Fix title widget

 gnomemusic/widgets/headerbar.py       | 6 +++---
 gnomemusic/widgets/searchheaderbar.py | 4 ++--
 2 files changed, 5 insertions(+), 5 deletions(-)
---
diff --git a/gnomemusic/widgets/headerbar.py b/gnomemusic/widgets/headerbar.py
index ff5e6d45..546eedc7 100644
--- a/gnomemusic/widgets/headerbar.py
+++ b/gnomemusic/widgets/headerbar.py
@@ -211,11 +211,11 @@ class HeaderBar(Gtk.HeaderBar):
 
     def _update(self):
         if self.props.selection_mode:
-            self.props.custom_title = self._selection_menu
+            self.props.title_widget = self._selection_menu
         elif self.props.state != HeaderBar.State.MAIN:
-            self.props.custom_title = None
+            self.props.title_widget= None
         else:
-            self.props.custom_title = self._stack_switcher
+            self.props.title_widget = self._stack_switcher
 
         self._back_button.props.visible = (
             not self.props.selection_mode
diff --git a/gnomemusic/widgets/searchheaderbar.py b/gnomemusic/widgets/searchheaderbar.py
index 86093c0b..68ce0c75 100644
--- a/gnomemusic/widgets/searchheaderbar.py
+++ b/gnomemusic/widgets/searchheaderbar.py
@@ -163,9 +163,9 @@ class SearchHeaderBar(Gtk.HeaderBar):
 
     def _update(self):
         if self.props.selection_mode:
-            self.props.custom_title = self._selection_menu
+            self.props.title_widget = self._selection_menu
         else:
-            self.props.custom_title = self._entry
+            self.props.title_widget = self._entry
 
     def _on_selection_mode_allowed_changed(self, widget, data):
         if self.props.selection_mode_allowed: