[gtk+] entry: Expand the css node docs

[Matthias Clasen <matthiasc src gnome org>]

commit b08fe985cc375f02c9c385c85f9e3a481ba77b3c
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Jan 18 10:52:26 2016 -0500

    entry: Expand the css node docs
    
    Mention the context menu.

 gtk/gtkentry.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkentry.c b/gtk/gtkentry.c
index 967522c..d6ec11d 100644
--- a/gtk/gtkentry.c
+++ b/gtk/gtkentry.c
@@ -123,7 +123,8 @@
  * ├── image.left
  * ├── image.right
  * ├── [selection]
- * ╰── [progress[.pulse]]
+ * ├── [progress[.pulse]]
+ * ╰── [window.popup]
  * ]|
  *
  * GtkEntry has a main node with the name entry. Depending on the properties
@@ -138,6 +139,8 @@
  * When the entry shows progress, it adds a subnode with the name progress.
  * The node has the style class .pulse when the shown progress is pulsing.
  *
+ * The CSS node for a context menu is added as a subnode below entry as well.
+ *
  * When touch is used and touch selection handles are shown, they are using
  * CSS nodes with name cursor-handle. They get the .top or .bottom style class
  * depending on where they are shown in relation to the selection. If there is