[gnome-contacts] Contacts.ListPane: clean up some code.

[Niels De Graef <nielsdg src gnome org>]

commit 7d94874890d73f2df04aaf9f0fd813609fd31691
Author: Niels De Graef <nielsdegraef gmail com>
Date:   Sun Dec 24 12:37:54 2017 +0100

    Contacts.ListPane: clean up some code.

 data/ui/contacts-list-pane.ui |    5 +++++
 src/contacts-list-pane.vala   |   27 +++++++++++++--------------
 2 files changed, 18 insertions(+), 14 deletions(-)
---
diff --git a/data/ui/contacts-list-pane.ui b/data/ui/contacts-list-pane.ui
index 3abcd13..34fca1f 100644
--- a/data/ui/contacts-list-pane.ui
+++ b/data/ui/contacts-list-pane.ui
@@ -35,6 +35,9 @@
                   </object>
                 </child>
               </object>
+              <packing>
+                <property name="expand">True</property>
+              </packing>
             </child>
           </object>
           <packing>
@@ -71,6 +74,7 @@
                 <property name="label" translatable="yes" comments="Link refers to the verb, from linking 
contacts together">Link</property>
                 <property name="width_request">70</property>
                 <property name="sensitive">False</property>
+                <signal name="clicked" handler="on_link_button_clicked"/>
               </object>
               <packing>
                 <property name="pack_type">start</property>
@@ -84,6 +88,7 @@
                 <property name="label" translatable="yes">Remove</property>
                 <property name="width_request">70</property>
                 <property name="sensitive">False</property>
+                <signal name="clicked" handler="on_delete_button_clicked"/>
                 <style>
                   <class name="destructive-action"/>
                 </style>
diff --git a/src/contacts-list-pane.vala b/src/contacts-list-pane.vala
index 18f95f8..ec77f0b 100644
--- a/src/contacts-list-pane.vala
+++ b/src/contacts-list-pane.vala
@@ -98,20 +98,6 @@ public class Contacts.ListPane : Frame {
         this.link_button.sensitive = (nr_contacts_marked > 1);
         contacts_marked (nr_contacts_marked);
       });
-
-    // Take care of the other widgets
-    this.search_tool_item.set_expand (true);
-
-    this.link_button.clicked.connect (() => {
-        link_contacts (this.contacts_view.get_marked_contacts ());
-      });
-
-    this.delete_button.clicked.connect (() => {
-        var marked_contacts = contacts_view.get_marked_contacts ();
-        foreach (var c in marked_contacts)
-          c.hide ();
-        delete_contacts (marked_contacts);
-      });
   }
 
   public void select_contact (Contact? contact, bool ignore_change = false) {
@@ -131,6 +117,19 @@ public class Contacts.ListPane : Frame {
     actions_bar.hide ();
   }
 
+  [GtkCallback]
+  private void on_link_button_clicked (Gtk.Button link_button) {
+    link_contacts (this.contacts_view.get_marked_contacts ());
+  }
+
+  [GtkCallback]
+  private void on_delete_button_clicked (Gtk.Button delete_button) {
+    var marked_contacts = contacts_view.get_marked_contacts ();
+    foreach (var c in marked_contacts)
+      c.hide ();
+    delete_contacts (marked_contacts);
+  }
+
   /* Limiting width hack */
   public override void get_preferred_width (out int minimum_width, out int natural_width) {
     minimum_width = natural_width = 300;