[gtk+] docs: Add GdkDrawingContext to the GDK API reference

[Emmanuele Bassi <ebassi src gnome org>]

commit 01b4bf19208ed65760d3c0f07871701e1094b55f
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Mon Jun 6 12:30:46 2016 +0100

    docs: Add GdkDrawingContext to the GDK API reference
    
    https://bugzilla.gnome.org/show_bug.cgi?id=766675

 docs/reference/gdk/gdk-docs.sgml     |    1 +
 docs/reference/gdk/gdk3-sections.txt |   16 ++++++++++++++++
 docs/reference/gdk/gdk3.types        |    1 +
 3 files changed, 18 insertions(+), 0 deletions(-)
---
diff --git a/docs/reference/gdk/gdk-docs.sgml b/docs/reference/gdk/gdk-docs.sgml
index 2f95a12..18d863d 100644
--- a/docs/reference/gdk/gdk-docs.sgml
+++ b/docs/reference/gdk/gdk-docs.sgml
@@ -33,6 +33,7 @@
     <xi:include href="xml/windows.xml" />
     <xi:include href="xml/gdkframeclock.xml" />
     <xi:include href="xml/gdkframetimings.xml" />
+    <xi:include href="xml/gdkdrawingcontext.xml" />
     <xi:include href="xml/gdkglcontext.xml" />
     <xi:include href="xml/events.xml" />
     <xi:include href="xml/event_structs.xml" />
diff --git a/docs/reference/gdk/gdk3-sections.txt b/docs/reference/gdk/gdk3-sections.txt
index 0b57e93..f3e005a 100644
--- a/docs/reference/gdk/gdk3-sections.txt
+++ b/docs/reference/gdk/gdk3-sections.txt
@@ -1413,3 +1413,19 @@ GDK_TYPE_MONITOR
 GDK_MONITOR
 GDK_IS_MONITOR
 </SECTION>
+
+<SECTION>
+<FILE>gdkdrawingcontext</FILE>
+GdkDrawingContext
+gdk_drawing_context_get_window
+gdk_drawing_context_get_clip
+gdk_drawing_context_get_cairo_context
+gdk_drawing_context_is_valid
+
+<SUBSECTION Standard>
+gdk_drawing_context_get_type
+GdkDrawingContextClass
+GDK_TYPE_DRAWING_CONTEXT
+GDK_DRAWING_CONTEXT
+GDK_IS_DRAWING_CONTEXT
+</SECTION>
diff --git a/docs/reference/gdk/gdk3.types b/docs/reference/gdk/gdk3.types
index e7f2024..d0b773e 100644
--- a/docs/reference/gdk/gdk3.types
+++ b/docs/reference/gdk/gdk3.types
@@ -7,6 +7,7 @@ gdk_device_manager_get_type
 gdk_display_get_type
 gdk_display_manager_get_type
 gdk_drag_context_get_type
+gdk_drawing_context_get_type
 gdk_frame_clock_get_type
 gdk_gl_context_get_type
 gdk_keymap_get_type