[gtk/wip/fontchooser-language-filtering: 186/186] fontchooser: Don't show "No fonts" prematurely

[Matthias Clasen <matthiasc src gnome org>]

commit a9bf129286bd91904d117a459362f733fd70f5a5
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Sep 19 10:25:45 2020 -0400

    fontchooser: Don't show "No fonts" prematurely
    
    Don't switch to the empty page while we are still busy
    filtering. Fonts might yet appear.

 gtk/gtkfontchooserwidget.c     | 3 ++-
 gtk/ui/gtkfontchooserwidget.ui | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)
---
diff --git a/gtk/gtkfontchooserwidget.c b/gtk/gtkfontchooserwidget.c
index 681466714b..ede2ce8bf4 100644
--- a/gtk/gtkfontchooserwidget.c
+++ b/gtk/gtkfontchooserwidget.c
@@ -774,7 +774,8 @@ rows_changed_cb (GtkFontChooserWidget *self)
 {
   const char *page;
 
-  if (g_list_model_get_n_items (G_LIST_MODEL (self->selection)) == 0)
+  if (g_list_model_get_n_items (G_LIST_MODEL (self->selection)) == 0 &&
+      gtk_filter_list_model_get_pending (GTK_FILTER_LIST_MODEL (self->filter_model)) == 0)
     page = "empty";
   else
     page = "list";
diff --git a/gtk/ui/gtkfontchooserwidget.ui b/gtk/ui/gtkfontchooserwidget.ui
index c3933c84b2..96c259687e 100644
--- a/gtk/ui/gtkfontchooserwidget.ui
+++ b/gtk/ui/gtkfontchooserwidget.ui
@@ -5,6 +5,7 @@
     <signal name="items-changed" handler="rows_changed_cb" object="GtkFontChooserWidget" swapped="1" />
     <property name="model">
       <object class="GtkFilterListModel" id="filter_model">
+        <signal name="notify::pending" handler="rows_changed_cb" object="GtkFontChooserWidget" swapped="1" />
         <property name="incremental">1</property>
         <property name="filter">
           <object class="GtkEveryFilter">