[shotwell/wip/gtk4: 22/45] Fix toolbar style for Photo page

[Jens Georg <jensgeorg src gnome org>]

commit 139a936a667e4e7f021d8468566d81c256afb92b
Author: Jens Georg <mail jensge org>
Date:   Sat Apr 9 20:24:47 2022 +0200

    Fix toolbar style for Photo page

 src/Page.vala      | 3 ++-
 src/PhotoPage.vala | 4 ++++
 2 files changed, 6 insertions(+), 1 deletion(-)
---
diff --git a/src/Page.vala b/src/Page.vala
index 3f22ac66..778a7873 100644
--- a/src/Page.vala
+++ b/src/Page.vala
@@ -291,7 +291,8 @@ public abstract class Page : Gtk.Box {
             toolbar = toolbar_path == null ? new Gtk.Box(Gtk.Orientation.HORIZONTAL, 9) :
                                              builder.get_object (toolbar_path)
                                              as Gtk.Box;
-            toolbar.get_style_context().add_class("bottom-toolbar");  // for elementary theme
+            toolbar.add_css_class("bottom-toolbar");  // for elementary theme
+            toolbar.add_css_class("toolbar");
         }
         return toolbar;
     }
diff --git a/src/PhotoPage.vala b/src/PhotoPage.vala
index dc83b1e5..c0da8cff 100644
--- a/src/PhotoPage.vala
+++ b/src/PhotoPage.vala
@@ -501,6 +501,10 @@ public abstract class EditingHostPage : SinglePhotoPage {
 #endif
 
         // separator to force next/prev buttons to right side of toolbar
+        var separator = new Gtk.Separator(Gtk.Orientation.VERTICAL);
+        separator.hexpand = true;
+        separator.halign = Gtk.Align.START;
+        toolbar.append(separator);
         
         Gtk.Box zoom_group = new Gtk.Box(Gtk.Orientation.HORIZONTAL, 0);