[gnome-control-center] network: Replace GtkNotebook with GtkStack

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit fc25e17a9f50114f2269ddc2a2491bcd93c1897e
Author: Robert Ancell <robert ancell canonical com>
Date:   Wed Nov 6 15:21:51 2019 +1300

    network: Replace GtkNotebook with GtkStack

 .../network/connection-editor/connection-editor.ui  | 18 +++++-------------
 .../connection-editor/net-connection-editor.c       | 21 ++++++++++++---------
 2 files changed, 17 insertions(+), 22 deletions(-)
---
diff --git a/panels/network/connection-editor/connection-editor.ui 
b/panels/network/connection-editor/connection-editor.ui
index 550110195..7c7f8bebc 100644
--- a/panels/network/connection-editor/connection-editor.ui
+++ b/panels/network/connection-editor/connection-editor.ui
@@ -40,26 +40,18 @@
         <property name="spacing">0</property>
         <property name="border_width">0</property>
         <child>
-          <object class="GtkNotebook" id="toplevel_notebook">
+          <object class="GtkStack" id="toplevel_stack">
             <property name="visible">True</property>
             <property name="can_focus">True</property>
-            <property name="show_tabs">False</property>
-            <property name="show_border">False</property>
             <child>
-              <object class="GtkBox">
+              <object class="GtkNotebook" id="notebook">
                 <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <child>
-                  <object class="GtkNotebook" id="notebook">
-                    <property name="visible">True</property>
-                    <property name="can_focus">True</property>
-                    <property name="show_border">False</property>
-                  </object>
-                </child>
+                <property name="can_focus">True</property>
+                <property name="show_border">False</property>
               </object>
             </child>
             <child>
-              <object class="GtkBox">
+              <object class="GtkBox" id="add_connection_box">
                 <property name="visible">True</property>
                 <property name="can_focus">False</property>
                 <property name="vexpand">True</property>
diff --git a/panels/network/connection-editor/net-connection-editor.c 
b/panels/network/connection-editor/net-connection-editor.c
index 9ba8f1dc0..191239056 100644
--- a/panels/network/connection-editor/net-connection-editor.c
+++ b/panels/network/connection-editor/net-connection-editor.c
@@ -51,6 +51,13 @@ struct _NetConnectionEditor
 {
         GtkDialog parent;
 
+        GtkBox           *add_connection_box;
+        GtkFrame         *add_connection_frame;
+        GtkButton        *apply_button;
+        GtkButton        *cancel_button;
+        GtkNotebook      *notebook;
+        GtkStack         *toplevel_stack;
+
         GtkWidget        *parent_window;
         NMClient         *client;
         NMDevice         *device;
@@ -61,12 +68,6 @@ struct _NetConnectionEditor
         gboolean          is_changed;
         NMAccessPoint    *ap;
 
-        GtkButton        *cancel_button;
-        GtkButton        *apply_button;
-        GtkNotebook      *notebook;
-        GtkFrame         *add_connection_frame;
-        GtkNotebook      *toplevel_notebook;
-
         GSList *initializing_pages;
         GSList *pages;
 
@@ -228,11 +229,13 @@ net_connection_editor_class_init (NetConnectionEditorClass *class)
 
         gtk_widget_class_set_template_from_resource (widget_class, 
"/org/gnome/control-center/network/connection-editor.ui");
 
+        gtk_widget_class_bind_template_child (widget_class, NetConnectionEditor, add_connection_box);
         gtk_widget_class_bind_template_child (widget_class, NetConnectionEditor, add_connection_frame);
         gtk_widget_class_bind_template_child (widget_class, NetConnectionEditor, apply_button);
         gtk_widget_class_bind_template_child (widget_class, NetConnectionEditor, cancel_button);
         gtk_widget_class_bind_template_child (widget_class, NetConnectionEditor, notebook);
-        gtk_widget_class_bind_template_child (widget_class, NetConnectionEditor, toplevel_notebook);
+        gtk_widget_class_bind_template_child (widget_class, NetConnectionEditor, toplevel_stack);
+
         gtk_widget_class_bind_template_callback (widget_class, delete_event_cb);
         gtk_widget_class_bind_template_callback (widget_class, cancel_clicked_cb);
         gtk_widget_class_bind_template_callback (widget_class, apply_clicked_cb);
@@ -623,7 +626,7 @@ finish_add_connection (NetConnectionEditor *self, NMConnection *connection)
         frame = GTK_BIN (self->add_connection_frame);
         gtk_widget_destroy (gtk_bin_get_child (frame));
 
-        gtk_notebook_set_current_page (self->toplevel_notebook, 0);
+        gtk_stack_set_visible_child (self->toplevel_stack, GTK_WIDGET (self->notebook));
         gtk_widget_show (GTK_WIDGET (self->apply_button));
 
         if (connection)
@@ -768,7 +771,7 @@ net_connection_editor_add_connection (NetConnectionEditor *self)
         gtk_widget_show_all (GTK_WIDGET (list));
         gtk_container_add (frame, GTK_WIDGET (list));
 
-        gtk_notebook_set_current_page (self->toplevel_notebook, 1);
+        gtk_stack_set_visible_child (self->toplevel_stack, GTK_WIDGET (self->add_connection_box));
         gtk_widget_hide (GTK_WIDGET (self->apply_button));
         gtk_window_set_title (GTK_WINDOW (self), _("Add VPN"));
 }