[mutter] backends: Add empty stubs for tablet configuration

[Carlos Garnacho <carlosg src gnome org>]

commit 220ac7c8f26faef0badf1dd114e6c55d1622bae3
Author: Carlos Garnacho <carlosg gnome org>
Date:   Fri May 13 12:15:02 2016 +0200

    backends: Add empty stubs for tablet configuration
    
    Those will be called when configuring tablets.

 src/backends/meta-input-settings-private.h       |   15 ++++++++++
 src/backends/native/meta-input-settings-native.c |   31 ++++++++++++++++++++++
 src/backends/x11/meta-input-settings-x11.c       |   29 ++++++++++++++++++++
 3 files changed, 75 insertions(+), 0 deletions(-)
---
diff --git a/src/backends/meta-input-settings-private.h b/src/backends/meta-input-settings-private.h
index ec207f2..2375574 100644
--- a/src/backends/meta-input-settings-private.h
+++ b/src/backends/meta-input-settings-private.h
@@ -23,6 +23,7 @@
 #define META_INPUT_SETTINGS_PRIVATE_H
 
 #include "display-private.h"
+#include "meta-monitor-manager-private.h"
 
 #include <clutter/clutter.h>
 
@@ -78,6 +79,20 @@ struct _MetaInputSettingsClass
                                 gboolean           repeat,
                                 guint              delay,
                                 guint              interval);
+
+  void (* set_tablet_mapping)        (MetaInputSettings      *settings,
+                                      ClutterInputDevice     *device,
+                                      GDesktopTabletMapping   mapping);
+  void (* set_tablet_keep_aspect)    (MetaInputSettings      *settings,
+                                      ClutterInputDevice     *device,
+                                      MetaOutput             *output,
+                                      gboolean                keep_aspect);
+  void (* set_tablet_area)           (MetaInputSettings      *settings,
+                                      ClutterInputDevice     *device,
+                                      gdouble                 padding_left,
+                                      gdouble                 padding_right,
+                                      gdouble                 padding_top,
+                                      gdouble                 padding_bottom);
 };
 
 GType meta_input_settings_get_type (void) G_GNUC_CONST;
diff --git a/src/backends/native/meta-input-settings-native.c 
b/src/backends/native/meta-input-settings-native.c
index 4b4e8c2..80b144c 100644
--- a/src/backends/native/meta-input-settings-native.c
+++ b/src/backends/native/meta-input-settings-native.c
@@ -242,6 +242,33 @@ meta_input_settings_native_set_keyboard_repeat (MetaInputSettings *settings,
 }
 
 static void
+meta_input_settings_native_set_tablet_mapping (MetaInputSettings     *settings,
+                                               ClutterInputDevice    *device,
+                                               GDesktopTabletMapping  mapping)
+{
+}
+
+static void
+meta_input_settings_native_set_tablet_keep_aspect (MetaInputSettings  *settings,
+                                                   ClutterInputDevice *device,
+                                                   MetaOutput         *output,
+                                                   gboolean            keep_aspect)
+{
+  /* FIXME: Implement */
+}
+
+static void
+meta_input_settings_native_set_tablet_area (MetaInputSettings  *settings,
+                                            ClutterInputDevice *device,
+                                            gdouble             padding_left,
+                                            gdouble             padding_right,
+                                            gdouble             padding_top,
+                                            gdouble             padding_bottom)
+{
+  /* FIXME: Implement */
+}
+
+static void
 meta_input_settings_native_class_init (MetaInputSettingsNativeClass *klass)
 {
   MetaInputSettingsClass *input_settings_class = META_INPUT_SETTINGS_CLASS (klass);
@@ -256,6 +283,10 @@ meta_input_settings_native_class_init (MetaInputSettingsNativeClass *klass)
   input_settings_class->set_scroll_button = meta_input_settings_native_set_scroll_button;
   input_settings_class->set_click_method = meta_input_settings_native_set_click_method;
   input_settings_class->set_keyboard_repeat = meta_input_settings_native_set_keyboard_repeat;
+
+  input_settings_class->set_tablet_mapping = meta_input_settings_native_set_tablet_mapping;
+  input_settings_class->set_tablet_keep_aspect = meta_input_settings_native_set_tablet_keep_aspect;
+  input_settings_class->set_tablet_area = meta_input_settings_native_set_tablet_area;
 }
 
 static void
diff --git a/src/backends/x11/meta-input-settings-x11.c b/src/backends/x11/meta-input-settings-x11.c
index 79d567b..e159fb6 100644
--- a/src/backends/x11/meta-input-settings-x11.c
+++ b/src/backends/x11/meta-input-settings-x11.c
@@ -306,6 +306,31 @@ meta_input_settings_x11_set_keyboard_repeat (MetaInputSettings *settings,
 }
 
 static void
+meta_input_settings_x11_set_tablet_mapping (MetaInputSettings     *settings,
+                                            ClutterInputDevice    *device,
+                                            GDesktopTabletMapping  mapping)
+{
+}
+
+static void
+meta_input_settings_x11_set_tablet_keep_aspect (MetaInputSettings  *settings,
+                                                ClutterInputDevice *device,
+                                                MetaOutput         *output,
+                                                gboolean            keep_aspect)
+{
+}
+
+static void
+meta_input_settings_x11_set_tablet_area (MetaInputSettings  *settings,
+                                         ClutterInputDevice *device,
+                                         gdouble             padding_left,
+                                         gdouble             padding_right,
+                                         gdouble             padding_top,
+                                         gdouble             padding_bottom)
+{
+}
+
+static void
 meta_input_settings_x11_class_init (MetaInputSettingsX11Class *klass)
 {
   MetaInputSettingsClass *input_settings_class = META_INPUT_SETTINGS_CLASS (klass);
@@ -320,6 +345,10 @@ meta_input_settings_x11_class_init (MetaInputSettingsX11Class *klass)
   input_settings_class->set_scroll_button = meta_input_settings_x11_set_scroll_button;
   input_settings_class->set_click_method = meta_input_settings_x11_set_click_method;
   input_settings_class->set_keyboard_repeat = meta_input_settings_x11_set_keyboard_repeat;
+
+  input_settings_class->set_tablet_mapping = meta_input_settings_x11_set_tablet_mapping;
+  input_settings_class->set_tablet_keep_aspect = meta_input_settings_x11_set_tablet_keep_aspect;
+  input_settings_class->set_tablet_area = meta_input_settings_x11_set_tablet_area;
 }
 
 static void