[gnome-contacts] ContactList: start select mode on right click.

[Niels De Graef <nielsdg src gnome org>]

commit a91a08009820848de18d02854db73cee0aae429e
Author: Niels De Graef <nielsdegraef gmail com>
Date:   Mon Jan 22 22:30:51 2018 +0100

    ContactList: start select mode on right click.

 src/contacts-contact-list.vala |   14 +++++++++++++-
 1 files changed, 13 insertions(+), 1 deletions(-)
---
diff --git a/src/contacts-contact-list.vala b/src/contacts-contact-list.vala
index a4ee808..f45bb2f 100644
--- a/src/contacts-contact-list.vala
+++ b/src/contacts-contact-list.vala
@@ -231,7 +231,7 @@ public class Contacts.ContactList : ListBox {
   }
 
   public override void row_selected (ListBoxRow? row) {
-    var data = row as ContactDataRow;
+    var data = (ContactDataRow?) row as ContactDataRow;
     var contact = data != null ? data.contact : null;
     selection_changed (contact);
 #if HAVE_TELEPATHY
@@ -265,4 +265,16 @@ public class Contacts.ContactList : ListBox {
     }
     return cs;
   }
+
+  public override bool button_press_event (Gdk.EventButton event) {
+    base.button_press_event (event);
+
+    if (event.button == Gdk.BUTTON_SECONDARY) {
+      var row = (ContactDataRow) get_row_at_y ((int) Math.round (event.y));
+      select_row (row);
+      row.selector_button.active = (this.state != UiState.SELECTING);
+    }
+
+    return false;
+  }
 }