[gnome-contacts/wip/sorted] Add child_activate signal

[Alexander Larsson <alexl src gnome org>]

commit b45ddb74b534b60e00227e7c40ec3cbd9fe9dd05
Author: Alexander Larsson <alexl redhat com>
Date:   Fri May 11 13:19:45 2012 +0200

    Add child_activate signal

 src/contacts-sorted.vala |   35 +++++++++++++++++++++++++++++++----
 1 files changed, 31 insertions(+), 4 deletions(-)
---
diff --git a/src/contacts-sorted.vala b/src/contacts-sorted.vala
index d1ba6da..ce786be 100644
--- a/src/contacts-sorted.vala
+++ b/src/contacts-sorted.vala
@@ -91,8 +91,8 @@ public class Contacts.Sorted : Container {
   }
 
   [Signal (action=true)]
-  public virtual signal void select_row () {
-    update_selected (focus_child);
+  public virtual signal void activate_row () {
+    select_and_activate (focus_child);
   }
 
   [Signal (action=true)]
@@ -122,7 +122,7 @@ public class Contacts.Sorted : Container {
 			     typeof (MovementStep), MovementStep.BUFFER_ENDS,
 			     typeof (int), 1);
 
-    activate_signal = GLib.Signal.lookup ("select-row", typeof (Sorted));
+    activate_signal = GLib.Signal.lookup ("activate-row", typeof (Sorted));
   }
 
   unowned ChildInfo? find_child_at_y (int y) {
@@ -153,6 +153,15 @@ public class Contacts.Sorted : Container {
       update_focus (child);
   }
 
+  private void select_and_activate (ChildInfo? child) {
+    Widget? w = null;
+    if (child != null)
+      w = child.widget;
+    update_selected (child);
+    if (w != null)
+      child_activated (w);
+  }
+
   private void update_prelight (ChildInfo? child) {
     if (child != prelight_child) {
       prelight_child = child;
@@ -193,14 +202,24 @@ public class Contacts.Sorted : Container {
   public override bool button_press_event (Gdk.EventButton event) {
     if (event.button == 1) {
       unowned ChildInfo? child = find_child_at_y ((int)event.y);
-      update_selected (child);
+      select_and_activate (child);
     }
     return false;
   }
 
+  public Widget? get_selected_child (){
+    if (selected_child != null)
+      return selected_child.widget;
+
+    return null;
+  }
+
   public virtual signal void child_selected (Widget? child) {
   }
 
+  public virtual signal void child_activated (Widget? child) {
+  }
+
   public override bool focus (DirectionType direction) {
     bool had_focus;
     bool focus_into;
@@ -559,6 +578,14 @@ public class Contacts.Sorted : Container {
     if (info == null)
       return;
 
+    if (info == selected_child) {
+      update_selected (null);
+    }
+    if (info == prelight_child)
+      prelight_child = null;
+    if (info == focus_child)
+      focus_child = null;
+
     var next = get_next_visible (info.iter);
 
     bool was_visible = widget.get_visible ();