[gnome-control-center] network: Use a HdyColumn

[Robert Ancell <rancell src gnome org>]

commit 555ef00b18a0c3aad0ce4205dd4d286e06dd1f17
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Sun Jan 27 17:41:06 2019 +0100

    network: Use a HdyColumn
    
    This allows the window to reach narrower sizes.

 panels/network/cc-network-panel.ui | 36 ++++++++----------------------------
 tests/network/test-network-panel.c |  3 +++
 2 files changed, 11 insertions(+), 28 deletions(-)
---
diff --git a/panels/network/cc-network-panel.ui b/panels/network/cc-network-panel.ui
index da65dd50f..ff78b492c 100644
--- a/panels/network/cc-network-panel.ui
+++ b/panels/network/cc-network-panel.ui
@@ -40,32 +40,22 @@
             <property name="can_focus">False</property>
             <property name="shadow_type">none</property>
             <child>
-              <object class="GtkBox">
+              <object class="HdyColumn">
                 <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="orientation">horizontal</property>
-                <property name="valign">start</property>
-
-                <!-- Stub box -->
-                <child>
-                  <object class="GtkBox">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="hexpand">True</property>
-                  </object>
-                </child>
-
+                <property name="maximum_width">600</property>
+                <property name="linear_growth_width">400</property>
+                <property name="margin_top">32</property>
+                <property name="margin_bottom">32</property>
+                <property name="margin_start">12</property>
+                <property name="margin_end">12</property>
                 <child>
                   <object class="GtkBox">
                     <property name="visible">True</property>
                     <property name="can_focus">False</property>
                     <property name="hexpand">True</property>
                     <property name="spacing">12</property>
-                    <property name="margin_top">32</property>
-                    <property name="margin_bottom">32</property>
-                    <property name="margin_left">18</property>
-                    <property name="margin_right">18</property>
                     <property name="orientation">vertical</property>
+                    <property name="valign">start</property>
 
                     <!-- Each GtkBox below will contain GtkStacks from the NetDevices -->
                     <child>
@@ -216,16 +206,6 @@
                     </child>
                   </object>
                 </child>
-
-                <!-- Stub box -->
-                <child>
-                  <object class="GtkBox">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="hexpand">True</property>
-                  </object>
-                </child>
-
               </object>
             </child>
           </object>
diff --git a/tests/network/test-network-panel.c b/tests/network/test-network-panel.c
index 0ce09ba56..7ee765914 100644
--- a/tests/network/test-network-panel.c
+++ b/tests/network/test-network-panel.c
@@ -33,6 +33,8 @@
 #include <sys/types.h>
 #include <signal.h>
 #include <gtk/gtk.h>
+#define HANDY_USE_UNSTABLE_API
+#include <handy.h>
 
 #include "cc-test-window.h"
 #include "shell/cc-object-storage.h"
@@ -645,6 +647,7 @@ main (int argc, char **argv)
   g_setenv ("LC_ALL", "C", TRUE);
 
   gtk_test_init (&argc, &argv, NULL);
+  hdy_init (&argc, &argv);
 
   g_test_add ("/network-panel-wired/empty-ui",
               NetworkPanelFixture,