From: Alexander Mikhaylenko <alexm@gnome.org>
Date: Wed, 14 Oct 2020 16:29:45 +0500
Subject: Add GtkHdyNavigationDirection

This is imported from HdyNavigationDirection from libhandy 1.0.0.
---
 gtk/gtkprivate.h                       |  1 +
 gtk/hdy-navigation-direction-private.h | 22 ++++++++++++++++++++++
 gtk/hdy-navigation-direction.c         | 26 ++++++++++++++++++++++++++
 gtk/meson.build                        |  2 ++
 4 files changed, 51 insertions(+)
 create mode 100644 gtk/hdy-navigation-direction-private.h
 create mode 100644 gtk/hdy-navigation-direction.c

diff --git a/gtk/gtkprivate.h b/gtk/gtkprivate.h
index 68f0f8d..8c6eded 100644
--- a/gtk/gtkprivate.h
+++ b/gtk/gtkprivate.h
@@ -30,6 +30,7 @@
 
 #include "gtkcsstypesprivate.h"
 #include "gtktexthandleprivate.h"
+#include "hdy-navigation-direction-private.h"
 #include "hdy-squeezer-private.h"
 #include "hdy-view-switcher-private.h"
 
diff --git a/gtk/hdy-navigation-direction-private.h b/gtk/hdy-navigation-direction-private.h
new file mode 100644
index 0000000..2f2f184
--- /dev/null
+++ b/gtk/hdy-navigation-direction-private.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) 2019 Alexander Mikhaylenko <exalm7659@gmail.com>
+ *
+ * SPDX-License-Identifier: LGPL-2.1+
+ */
+
+#pragma once
+
+#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
+#error "Only <gtk/gtk.h> can be included directly."
+#endif
+
+#include <glib.h>
+
+G_BEGIN_DECLS
+
+typedef enum {
+  GTK_HDY_NAVIGATION_DIRECTION_BACK,
+  GTK_HDY_NAVIGATION_DIRECTION_FORWARD,
+} GtkHdyNavigationDirection;
+
+G_END_DECLS
diff --git a/gtk/hdy-navigation-direction.c b/gtk/hdy-navigation-direction.c
new file mode 100644
index 0000000..35b9ab4
--- /dev/null
+++ b/gtk/hdy-navigation-direction.c
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2019 Alexander Mikhaylenko <exalm7659@gmail.com>
+ *
+ * SPDX-License-Identifier: LGPL-2.1+
+ */
+
+#include "config.h"
+#include "hdy-navigation-direction-private.h"
+
+/**
+ * SECTION:gtk-hdy-navigation-direction
+ * @short_description: Swipe navigation directions.
+ * @title: GtkHdyNavigationDirection
+ * @See_also: #GtkHdyDeck, #GtkHdyLeaflet
+ */
+
+/**
+ * GtkHdyNavigationDirection:
+ * @GTK_HDY_NAVIGATION_DIRECTION_BACK: Corresponds to start or top, depending on orientation and text direction
+ * @GTK_HDY_NAVIGATION_DIRECTION_FORWARD: Corresponds to end or bottom, depending on orientation and text direction
+ *
+ * Represents direction of a swipe navigation gesture in #GtkHdyDeck and
+ * #GtkHdyLeaflet.
+ *
+ * Since: 1.0
+ */
diff --git a/gtk/meson.build b/gtk/meson.build
index ae3dc94..7407f5b 100644
--- a/gtk/meson.build
+++ b/gtk/meson.build
@@ -385,6 +385,7 @@ gtk_sources = files(
   'gdkpixbufutils.c',
   'hdy-animation.c',
   'hdy-css.c',
+  'hdy-navigation-direction.c',
   'hdy-shadow-helper.c',
   'hdy-squeezer.c',
   'hdy-view-switcher-bar.c',
@@ -401,6 +402,7 @@ gtk_private_type_headers = files(
   'hdy-animation-private.h',
   'hdy-cairo-private.h',
   'hdy-css-private.h',
+  'hdy-navigation-direction-private.h',
   'hdy-shadow-helper-private.h',
   'hdy-squeezer-private.h',
   'hdy-view-switcher-bar-private.h',