[epiphany/wip/exalm/sep: 3/5] pages-view: Reimplement separator header func

[Alexander Mikhaylenko <alexm src gnome org>]

commit 94d71f541d4d132d7fa1daaae39969f456e9a7d9
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Sat Jun 6 13:42:35 2020 +0500

    pages-view: Reimplement separator header func
    
    See https://gitlab.gnome.org/GNOME/libhandy/-/merge_requests/491

 src/ephy-pages-view.c | 25 ++++++++++++++++++++++---
 1 file changed, 22 insertions(+), 3 deletions(-)
---
diff --git a/src/ephy-pages-view.c b/src/ephy-pages-view.c
index 6a4aaee82..b208e9ba2 100644
--- a/src/ephy-pages-view.c
+++ b/src/ephy-pages-view.c
@@ -24,8 +24,6 @@
 
 #include "ephy-pages-view.h"
 
-#define HANDY_USE_UNSTABLE_API
-#include <handy.h>
 #include "ephy-notebook.h"
 #include "ephy-page-row.h"
 #include "ephy-window.h"
@@ -197,6 +195,27 @@ list_init (EphyPagesView *self)
   g_object_unref (provider);
 }
 
+static void
+separator_header (GtkListBoxRow *row,
+                  GtkListBoxRow *before,
+                  gpointer       user_data)
+{
+  GtkWidget *header;
+
+  if (before == NULL) {
+    gtk_list_box_row_set_header (row, NULL);
+
+    return;
+  }
+
+  if (gtk_list_box_row_get_header (row) != NULL)
+    return;
+
+  header = gtk_separator_new (GTK_ORIENTATION_HORIZONTAL);
+  gtk_widget_show (header);
+  gtk_list_box_row_set_header (row, header);
+}
+
 static void
 ephy_pages_view_init (EphyPagesView *self)
 {
@@ -204,7 +223,7 @@ ephy_pages_view_init (EphyPagesView *self)
 
   list_init (self);
 
-  gtk_list_box_set_header_func (self->list_box, hdy_list_box_separator_header, NULL, NULL);
+  gtk_list_box_set_header_func (self->list_box, separator_header, NULL, NULL);
 
   self->list_store = g_list_store_new (EPHY_TYPE_PAGE_ROW);