[gnome-contacts/new-design] Add input only window to row

[Alexander Larsson <alexl src gnome org>]

commit 53281ec6eed4d2bb9b0c70fa06ed7eab042d04ad
Author: Alexander Larsson <alexl redhat com>
Date:   Mon Dec 12 15:16:09 2011 +0100

    Add input only window to row

 src/contacts-row.vala |   45 +++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 45 insertions(+), 0 deletions(-)
---
diff --git a/src/contacts-row.vala b/src/contacts-row.vala
index b18bc36..2411ab5 100644
--- a/src/contacts-row.vala
+++ b/src/contacts-row.vala
@@ -227,6 +227,7 @@ public class Contacts.Row : Container {
     Widget? widget;
   }
 
+  private Gdk.Window event_window;
   RowGroup group;
   int n_rows;
   Child[,] row_children;
@@ -243,6 +244,44 @@ public class Contacts.Row : Container {
     row_children = new Child[group.n_columns, n_rows];
   }
 
+  public override void realize () {
+    Allocation allocation;
+    get_allocation (out allocation);
+    set_realized (true);
+
+    Gdk.WindowAttr attributes = { };
+    attributes.x = allocation.x;
+    attributes.y = allocation.y;
+    attributes.width = allocation.width;
+    attributes.height = allocation.height;
+    attributes.window_type = Gdk.WindowType.CHILD;
+    attributes.event_mask = this.get_events () | Gdk.EventMask.EXPOSURE_MASK | Gdk.EventMask.ENTER_NOTIFY_MASK | Gdk.EventMask.LEAVE_NOTIFY_MASK;
+
+    var window = get_parent_window ();
+    this.set_window (window);
+
+    attributes.wclass = Gdk.WindowWindowClass.ONLY;
+    event_window = new Gdk.Window (window, attributes, Gdk.WindowAttributesType.X | Gdk.WindowAttributesType.Y);
+    event_window.set_user_data (this);
+  }
+
+  public override void unrealize () {
+    event_window.set_user_data (null);
+    event_window.destroy ();
+    event_window = null;
+    base.unrealize ();
+  }
+
+  public override void map () {
+    event_window.show ();
+    base.map ();
+  }
+
+  public override void unmap () {
+    event_window.hide ();
+    base.unmap ();
+  }
+
   public void attach (Widget widget, int attach_col, int attach_row) {
     if (attach_col >= group.n_columns) {
       warning ("Tryint to attach widget to non-existing column");
@@ -478,6 +517,12 @@ public class Contacts.Row : Container {
 
     set_allocation (allocation);
 
+    if (event_window != null)
+      event_window.move_resize (allocation.x,
+                                allocation.y,
+                                allocation.width,
+                                allocation.height);
+
     int y = 0;
     for (int row = 0; row < n_rows; row ++) {
       int x = 0;