From dc2fea413b82dcfca401b13034b18047ac9f311f Mon Sep 17 00:00:00 2001
From: John Stowers <john.stowers@gmail.com>
Date: Wed, 14 Jul 2010 21:57:34 +1200
Subject: [PATCH] Add gdk_device_get_n_axes

https://bugzilla.gnome.org/show_bug.cgi?id=624221
---
 docs/reference/gdk/gdk-sections.txt |  1 +
 gdk/gdk.symbols                     |  1 +
 gdk/gdkinput.h                      |  1 +
 gdk/quartz/gdkinput.c               |  8 ++++++++
 gdk/win32/gdkinput.c                |  8 ++++++++
 gdk/x11/gdkinput.c                  | 16 ++++++++++++++++
 6 files changed, 35 insertions(+)

diff --git a/docs/reference/gdk/gdk-sections.txt b/docs/reference/gdk/gdk-sections.txt
index cecc971465..ff5a902ca4 100644
--- a/docs/reference/gdk/gdk-sections.txt
+++ b/docs/reference/gdk/gdk-sections.txt
@@ -1070,6 +1070,7 @@ gdk_device_get_history
 gdk_device_free_history
 GdkTimeCoord
 gdk_device_get_axis
+gdk_device_get_n_axes
 
 <SUBSECTION>
 gdk_input_set_extension_events
diff --git a/gdk/gdk.symbols b/gdk/gdk.symbols
index 3dc234f64d..015a659937 100644
--- a/gdk/gdk.symbols
+++ b/gdk/gdk.symbols
@@ -386,6 +386,7 @@ gdk_device_get_history
 gdk_device_get_key
 gdk_device_get_mode
 gdk_device_get_name
+gdk_device_get_n_axes
 gdk_device_get_source
 gdk_device_get_type G_GNUC_CONST
 gdk_device_set_axis_use
diff --git a/gdk/gdkinput.h b/gdk/gdkinput.h
index b2ab1e4612..c8907c1234 100644
--- a/gdk/gdkinput.h
+++ b/gdk/gdkinput.h
@@ -141,6 +141,7 @@ void                  gdk_device_get_key        (GdkDevice       *device,
                                                  GdkModifierType *modifiers);
 GdkAxisUse            gdk_device_get_axis_use   (GdkDevice       *device,
                                                  guint            index);
+gint                  gdk_device_get_n_axes     (GdkDevice       *device);
 
 /* Functions to configure a device */
 void           gdk_device_set_source    (GdkDevice      *device,
diff --git a/gdk/quartz/gdkinput.c b/gdk/quartz/gdkinput.c
index 9407b08c0a..212638d314 100644
--- a/gdk/quartz/gdkinput.c
+++ b/gdk/quartz/gdkinput.c
@@ -198,6 +198,14 @@ gdk_device_get_axis_use (GdkDevice *device,
   return device->axes[index].use;
 }
 
+gint
+gdk_device_get_n_axes (GdkDevice *device)
+{
+  g_return_val_if_fail (GDK_IS_DEVICE (device), 0);
+
+  return device->num_axes;
+}
+
 void
 gdk_device_set_axis_use (GdkDevice   *device,
 			 guint        index,
diff --git a/gdk/win32/gdkinput.c b/gdk/win32/gdkinput.c
index f8e9c1755d..e4aabdac3c 100644
--- a/gdk/win32/gdkinput.c
+++ b/gdk/win32/gdkinput.c
@@ -193,6 +193,14 @@ gdk_device_get_axis_use (GdkDevice *device,
   return device->axes[index].use;
 }
 
+gint
+gdk_device_get_n_axes (GdkDevice *device)
+{
+  g_return_val_if_fail (GDK_IS_DEVICE (device), 0);
+
+  return device->num_axes;
+}
+
 void
 gdk_device_set_axis_use (GdkDevice   *device,
 			 guint        index,
diff --git a/gdk/x11/gdkinput.c b/gdk/x11/gdkinput.c
index fb2f810cea..196ec37725 100644
--- a/gdk/x11/gdkinput.c
+++ b/gdk/x11/gdkinput.c
@@ -317,6 +317,22 @@ gdk_device_get_axis_use (GdkDevice *device,
   return device->axes[index].use;
 }
 
+/**
+ * gdk_device_get_n_axes:
+ * @device: a #GdkDevice.
+ *
+ * Returns: the number of axes of this device.
+ *
+ * Since: 2.22
+ **/
+gint
+gdk_device_get_n_axes (GdkDevice *device)
+{
+  g_return_val_if_fail (GDK_IS_DEVICE (device), 0);
+
+  return device->num_axes;
+}
+
 void
 gdk_device_set_axis_use (GdkDevice   *device,
 			 guint        index,