[mutter/wip/carlosg/clutter-seat: 40/43] clutter: Drop ClutterDeviceManager



commit e849dac23cf240b7daae2517f11c2887dea3d691
Author: Carlos Garnacho <carlosg gnome org>
Date:   Fri Oct 4 23:01:54 2019 +0200

    clutter: Drop ClutterDeviceManager
    
    This is mostly replaced by ClutterSeat, which offers a per-seat instead
    of a global device abstraction.

 clutter/clutter/clutter-backend-private.h         |   4 -
 clutter/clutter/clutter-backend.c                 |  14 -
 clutter/clutter/clutter-device-manager-private.h  | 298 ---------------
 clutter/clutter/clutter-device-manager.c          | 426 ----------------------
 clutter/clutter/clutter-device-manager.h          |  86 -----
 clutter/clutter/clutter-input-device-private.h    | 254 +++++++++++++
 clutter/clutter/clutter-input-device.c            |  25 +-
 clutter/clutter/clutter-input-device.h            |  29 ++
 clutter/clutter/clutter-input-method.c            |   2 +-
 clutter/clutter/clutter-input-pointer-a11y.c      |   3 +-
 clutter/clutter/clutter-main.c                    |   2 +-
 clutter/clutter/clutter-mutter.h                  |   2 +-
 clutter/clutter/clutter-stage.c                   |   2 +-
 clutter/clutter/clutter.h                         |   1 -
 clutter/clutter/egl/clutter-backend-eglnative.h   |   5 +-
 clutter/clutter/meson.build                       |   4 +-
 clutter/clutter/x11/clutter-backend-x11.c         |   1 -
 clutter/clutter/x11/clutter-backend-x11.h         |   2 -
 src/backends/native/meta-clutter-backend-native.c |  13 -
 src/backends/native/meta-device-manager-native.c  | 210 -----------
 src/backends/native/meta-device-manager-native.h  |  57 ---
 src/backends/x11/meta-clutter-backend-x11.c       |  18 -
 src/backends/x11/meta-device-manager-x11.c        | 225 ------------
 src/backends/x11/meta-device-manager-x11.h        |  49 ---
 src/meson.build                                   |   4 -
 25 files changed, 291 insertions(+), 1445 deletions(-)
---
diff --git a/clutter/clutter/clutter-backend-private.h b/clutter/clutter/clutter-backend-private.h
index d998585a1..25fd2d301 100644
--- a/clutter/clutter/clutter-backend-private.h
+++ b/clutter/clutter/clutter-backend-private.h
@@ -23,7 +23,6 @@
 #define __CLUTTER_BACKEND_PRIVATE_H__
 
 #include <clutter/clutter-backend.h>
-#include <clutter/clutter-device-manager.h>
 #include <clutter/clutter-seat.h>
 #include <clutter/clutter-stage-window.h>
 
@@ -47,8 +46,6 @@ struct _ClutterBackend
 
   CoglOnscreen *dummy_onscreen;
 
-  ClutterDeviceManager *device_manager;
-
   cairo_font_options_t *font_options;
 
   gchar *font_name;
@@ -87,7 +84,6 @@ struct _ClutterBackendClass
                                                 GError         **error);
   gboolean              (* create_context)     (ClutterBackend  *backend,
                                                 GError         **error);
-  ClutterDeviceManager *(* get_device_manager) (ClutterBackend  *backend);
 
   gboolean              (* translate_event)    (ClutterBackend     *backend,
                                                 gpointer            native,
diff --git a/clutter/clutter/clutter-backend.c b/clutter/clutter/clutter-backend.c
index fba2f1082..7d49f3e81 100644
--- a/clutter/clutter/clutter-backend.c
+++ b/clutter/clutter/clutter-backend.c
@@ -51,7 +51,6 @@
 #include "clutter-stage-manager-private.h"
 #include "clutter-stage-private.h"
 #include "clutter-stage-window.h"
-#include "clutter-device-manager-private.h"
 
 #ifdef CLUTTER_HAS_WAYLAND_COMPOSITOR_SUPPORT
 #include "wayland/clutter-wayland-compositor.h"
@@ -528,18 +527,6 @@ clutter_backend_real_init_events (ClutterBackend *backend)
   g_error ("Unknown input backend");
 }
 
-static ClutterDeviceManager *
-clutter_backend_real_get_device_manager (ClutterBackend *backend)
-{
-  if (G_UNLIKELY (backend->device_manager == NULL))
-    {
-      g_critical ("No device manager available, expect broken input");
-      return NULL;
-    }
-
-  return backend->device_manager;
-}
-
 static void
 clutter_backend_class_init (ClutterBackendClass *klass)
 {
@@ -603,7 +590,6 @@ clutter_backend_class_init (ClutterBackendClass *klass)
   klass->font_changed = clutter_backend_real_font_changed;
 
   klass->init_events = clutter_backend_real_init_events;
-  klass->get_device_manager = clutter_backend_real_get_device_manager;
   klass->create_context = clutter_backend_real_create_context;
   klass->get_features = clutter_backend_real_get_features;
 }
diff --git a/clutter/clutter/clutter-input-device-private.h b/clutter/clutter/clutter-input-device-private.h
new file mode 100644
index 000000000..2689dbe9e
--- /dev/null
+++ b/clutter/clutter/clutter-input-device-private.h
@@ -0,0 +1,254 @@
+/*
+ * Clutter.
+ *
+ * An OpenGL based 'interactive canvas' library.
+ *
+ * Copyright © 2009, 2010, 2011  Intel Corp.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author: Emmanuele Bassi <ebassi linux intel com>
+ */
+
+#ifndef CLUTTER_INPUT_DEVICE_PRIVATE_H
+#define CLUTTER_INPUT_DEVICE_PRIVATE_H
+
+#if !defined(__CLUTTER_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
+#error "Only <clutter/clutter.h> can be included directly."
+#endif
+
+#include <clutter/clutter-input-device.h>
+
+G_BEGIN_DECLS
+
+typedef struct _ClutterAxisInfo
+{
+  ClutterInputAxis axis;
+
+  gdouble min_axis;
+  gdouble max_axis;
+
+  gdouble min_value;
+  gdouble max_value;
+
+  gdouble resolution;
+} ClutterAxisInfo;
+
+typedef struct _ClutterKeyInfo
+{
+  guint keyval;
+  ClutterModifierType modifiers;
+} ClutterKeyInfo;
+
+typedef struct _ClutterScrollInfo
+{
+  guint axis_id;
+  ClutterScrollDirection direction;
+  gdouble increment;
+
+  gdouble last_value;
+  guint last_value_valid : 1;
+} ClutterScrollInfo;
+
+typedef struct _ClutterTouchInfo
+{
+  ClutterEventSequence *sequence;
+  ClutterActor *actor;
+
+  gfloat current_x;
+  gfloat current_y;
+} ClutterTouchInfo;
+
+typedef struct _ClutterPtrA11yData
+{
+  int n_btn_pressed;
+  float current_x;
+  float current_y;
+
+  float dwell_x;
+  float dwell_y;
+  gboolean dwell_drag_started;
+  gboolean dwell_gesture_started;
+  guint dwell_timer;
+  guint dwell_position_timer;
+
+  guint secondary_click_timer;
+  gboolean secondary_click_triggered;
+} ClutterPtrA11yData;
+
+struct _ClutterInputDevice
+{
+  GObject parent_instance;
+
+  gint id;
+
+  ClutterInputDeviceType device_type;
+  ClutterInputMode device_mode;
+
+  gchar *device_name;
+
+  ClutterSeat *seat;
+
+  ClutterBackend *backend;
+
+  /* the associated device */
+  ClutterInputDevice *associated;
+
+  GList *slaves;
+
+  /* the actor underneath the pointer */
+  ClutterActor *cursor_actor;
+  GHashTable   *inv_touch_sequence_actors;
+
+  /* the actor that has a grab in place for the device */
+  ClutterActor *pointer_grab_actor;
+  ClutterActor *keyboard_grab_actor;
+  GHashTable   *sequence_grab_actors;
+  GHashTable   *inv_sequence_grab_actors;
+
+  /* the current click count */
+  gint click_count;
+
+  /* the stage the device is on */
+  ClutterStage *stage;
+
+  /* the current state */
+  gfloat current_x;
+  gfloat current_y;
+  guint32 current_time;
+  gint current_button_number;
+  ClutterModifierType current_state;
+
+  /* the current touch points states */
+  GHashTable *touch_sequences_info;
+
+  /* the previous state, used for click count generation */
+  gint previous_x;
+  gint previous_y;
+  guint32 previous_time;
+  gint previous_button_number;
+  ClutterModifierType previous_state;
+
+  GArray *axes;
+
+  guint n_keys;
+  GArray *keys;
+
+  GArray *scroll_info;
+
+  gchar *vendor_id;
+  gchar *product_id;
+  gchar *node_path;
+
+  GPtrArray *tools;
+
+  gint n_rings;
+  gint n_strips;
+  gint n_mode_groups;
+
+  ClutterInputDeviceMapping mapping_mode;
+
+  guint has_cursor : 1;
+  guint is_enabled : 1;
+
+  /* Accessiblity */
+  ClutterVirtualInputDevice *accessibility_virtual_device;
+  ClutterPtrA11yData *ptr_a11y_data;
+};
+
+CLUTTER_EXPORT
+void _clutter_input_device_set_associated_device (ClutterInputDevice *device,
+                                                  ClutterInputDevice *associated);
+CLUTTER_EXPORT
+void _clutter_input_device_add_slave (ClutterInputDevice *master,
+                                      ClutterInputDevice *slave);
+CLUTTER_EXPORT
+void _clutter_input_device_remove_slave (ClutterInputDevice *master,
+                                         ClutterInputDevice *slave);
+CLUTTER_EXPORT
+void clutter_input_device_update_from_tool (ClutterInputDevice     *device,
+                                            ClutterInputDeviceTool *tool);
+CLUTTER_EXPORT
+ClutterStage * _clutter_input_device_get_stage (ClutterInputDevice *device);
+CLUTTER_EXPORT
+void _clutter_input_device_set_stage (ClutterInputDevice *device,
+                                      ClutterStage       *stage);
+CLUTTER_EXPORT
+void _clutter_input_device_set_coords (ClutterInputDevice   *device,
+                                       ClutterEventSequence *sequence,
+                                       gfloat                x,
+                                       gfloat                y,
+                                       ClutterStage         *stage);
+CLUTTER_EXPORT
+void _clutter_input_device_set_state (ClutterInputDevice  *device,
+                                      ClutterModifierType  state);
+CLUTTER_EXPORT
+void _clutter_input_device_set_time (ClutterInputDevice *device,
+                                     guint32             time_);
+void _clutter_input_device_set_actor (ClutterInputDevice   *device,
+                                      ClutterEventSequence *sequence,
+                                      ClutterActor         *actor,
+                                      gboolean              emit_crossing);
+ClutterActor * _clutter_input_device_update (ClutterInputDevice   *device,
+                                             ClutterEventSequence *sequence,
+                                             gboolean              emit_crossing);
+CLUTTER_EXPORT
+void _clutter_input_device_add_event_sequence (ClutterInputDevice *device,
+                                               ClutterEvent       *event);
+CLUTTER_EXPORT
+void _clutter_input_device_remove_event_sequence (ClutterInputDevice *device,
+                                                  ClutterEvent       *event);
+CLUTTER_EXPORT
+void _clutter_input_device_set_n_keys (ClutterInputDevice *device,
+                                       guint               n_keys);
+CLUTTER_EXPORT
+gboolean _clutter_input_device_translate_axis (ClutterInputDevice *device,
+                                               guint               index_,
+                                               gdouble             value,
+                                               gdouble            *axis_value);
+CLUTTER_EXPORT
+guint _clutter_input_device_add_axis (ClutterInputDevice *device,
+                                      ClutterInputAxis    axis,
+                                      gdouble             minimum,
+                                      gdouble             maximum,
+                                      gdouble             resolution);
+
+CLUTTER_EXPORT
+void _clutter_input_device_reset_axes (ClutterInputDevice *device);
+
+CLUTTER_EXPORT
+void _clutter_input_device_add_scroll_info (ClutterInputDevice     *device,
+                                            guint                   index_,
+                                            ClutterScrollDirection  direction,
+                                            gdouble                 increment);
+CLUTTER_EXPORT
+gboolean _clutter_input_device_get_scroll_delta (ClutterInputDevice     *device,
+                                                 guint                   index_,
+                                                 gdouble                 value,
+                                                 ClutterScrollDirection *direction_p,
+                                                 gdouble                *delta_p);
+CLUTTER_EXPORT
+void _clutter_input_device_reset_scroll_info (ClutterInputDevice *device);
+
+CLUTTER_EXPORT
+void clutter_input_device_add_tool (ClutterInputDevice     *device,
+                                    ClutterInputDeviceTool *tool);
+
+CLUTTER_EXPORT
+ClutterInputDeviceTool *
+   clutter_input_device_lookup_tool (ClutterInputDevice         *device,
+                                     guint64                     serial,
+                                     ClutterInputDeviceToolType  type);
+
+#endif /* CLUTTER_INPUT_DEVICE_PRIVATE_H */
diff --git a/clutter/clutter/clutter-input-device.c b/clutter/clutter/clutter-input-device.c
index b640f42d9..e1af234ec 100644
--- a/clutter/clutter/clutter-input-device.c
+++ b/clutter/clutter/clutter-input-device.c
@@ -37,12 +37,12 @@
 
 #include "clutter-actor-private.h"
 #include "clutter-debug.h"
-#include "clutter-device-manager-private.h"
 #include "clutter-enum-types.h"
 #include "clutter-event-private.h"
 #include "clutter-marshal.h"
 #include "clutter-private.h"
 #include "clutter-stage-private.h"
+#include "clutter-input-device-private.h"
 #include "clutter-input-device-tool.h"
 
 #include <math.h>
@@ -57,7 +57,6 @@ enum
   PROP_NAME,
 
   PROP_DEVICE_TYPE,
-  PROP_DEVICE_MANAGER,
   PROP_SEAT,
   PROP_DEVICE_MODE,
 
@@ -171,10 +170,6 @@ clutter_input_device_set_property (GObject      *gobject,
       self->device_type = g_value_get_enum (value);
       break;
 
-    case PROP_DEVICE_MANAGER:
-      self->device_manager = g_value_get_object (value);
-      break;
-
     case PROP_SEAT:
       self->seat = g_value_get_object (value);
       break;
@@ -251,10 +246,6 @@ clutter_input_device_get_property (GObject    *gobject,
       g_value_set_enum (value, self->device_type);
       break;
 
-    case PROP_DEVICE_MANAGER:
-      g_value_set_object (value, self->device_manager);
-      break;
-
     case PROP_SEAT:
       g_value_set_object (value, self->seat);
       break;
@@ -369,20 +360,6 @@ clutter_input_device_class_init (ClutterInputDeviceClass *klass)
                        CLUTTER_PARAM_READWRITE |
                        G_PARAM_CONSTRUCT_ONLY);
 
-  /**
-   * ClutterInputDevice:device-manager:
-   *
-   * The #ClutterDeviceManager instance which owns the device
-   *
-   * Since: 1.6
-   */
-  obj_props[PROP_DEVICE_MANAGER] =
-    g_param_spec_object ("device-manager",
-                         P_("Device Manager"),
-                         P_("The device manager instance"),
-                         CLUTTER_TYPE_DEVICE_MANAGER,
-                         CLUTTER_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY);
-
   /**
    * ClutterInputDevice:seat:
    *
diff --git a/clutter/clutter/clutter-input-device.h b/clutter/clutter/clutter-input-device.h
index 7352000d7..b203509ac 100644
--- a/clutter/clutter/clutter-input-device.h
+++ b/clutter/clutter/clutter-input-device.h
@@ -28,11 +28,40 @@
 #error "Only <clutter/clutter.h> can be included directly."
 #endif
 
+#include <clutter/clutter-backend.h>
 #include <clutter/clutter-types.h>
 #include <clutter/clutter-seat.h>
 
 G_BEGIN_DECLS
 
+typedef void (*ClutterEmitInputDeviceEvent) (ClutterEvent       *event,
+                                             ClutterInputDevice *device);
+
+struct _ClutterInputDeviceClass
+{
+  GObjectClass parent_class;
+
+  gboolean (* keycode_to_evdev) (ClutterInputDevice *device,
+                                 guint               hardware_keycode,
+                                 guint              *evdev_keycode);
+  void (* update_from_tool) (ClutterInputDevice     *device,
+                             ClutterInputDeviceTool *tool);
+
+  gboolean (* is_mode_switch_button) (ClutterInputDevice *device,
+                                      guint               group,
+                                      guint               button);
+  gint (* get_group_n_modes) (ClutterInputDevice *device,
+                              gint                group);
+
+  gboolean (* is_grouped) (ClutterInputDevice *device,
+                           ClutterInputDevice *other_device);
+
+  /* Keyboard accessbility */
+  void (* process_kbd_a11y_event) (ClutterEvent               *event,
+                                   ClutterInputDevice         *device,
+                                   ClutterEmitInputDeviceEvent emit_event_func);
+};
+
 #define CLUTTER_TYPE_INPUT_DEVICE               (clutter_input_device_get_type ())
 #define CLUTTER_INPUT_DEVICE(obj)               (G_TYPE_CHECK_INSTANCE_CAST ((obj), 
CLUTTER_TYPE_INPUT_DEVICE, ClutterInputDevice))
 #define CLUTTER_IS_INPUT_DEVICE(obj)            (G_TYPE_CHECK_INSTANCE_TYPE ((obj), 
CLUTTER_TYPE_INPUT_DEVICE))
diff --git a/clutter/clutter/clutter-input-method.c b/clutter/clutter/clutter-input-method.c
index 4028e0482..40796da12 100644
--- a/clutter/clutter/clutter-input-method.c
+++ b/clutter/clutter/clutter-input-method.c
@@ -22,10 +22,10 @@
 #include "clutter-build-config.h"
 
 #include "clutter-private.h"
+#include "clutter/clutter-input-device-private.h"
 #include "clutter/clutter-input-method.h"
 #include "clutter/clutter-input-method-private.h"
 #include "clutter/clutter-input-focus-private.h"
-#include "clutter/clutter-device-manager-private.h"
 
 typedef struct _ClutterInputMethodPrivate ClutterInputMethodPrivate;
 
diff --git a/clutter/clutter/clutter-input-pointer-a11y.c b/clutter/clutter/clutter-input-pointer-a11y.c
index 34d8aa29b..64adf3dd1 100644
--- a/clutter/clutter/clutter-input-pointer-a11y.c
+++ b/clutter/clutter/clutter-input-pointer-a11y.c
@@ -25,10 +25,9 @@
 
 #include "clutter-build-config.h"
 
-#include "clutter-device-manager.h"
-#include "clutter-device-manager-private.h"
 #include "clutter-enum-types.h"
 #include "clutter-input-device.h"
+#include "clutter-input-device-private.h"
 #include "clutter-input-pointer-a11y-private.h"
 #include "clutter-main.h"
 #include "clutter-virtual-input-device.h"
diff --git a/clutter/clutter/clutter-main.c b/clutter/clutter/clutter-main.c
index 5edf216cb..115f4a1a2 100644
--- a/clutter/clutter/clutter-main.c
+++ b/clutter/clutter/clutter-main.c
@@ -55,9 +55,9 @@
 #include "clutter-backend-private.h"
 #include "clutter-config.h"
 #include "clutter-debug.h"
-#include "clutter-device-manager-private.h"
 #include "clutter-event-private.h"
 #include "clutter-feature.h"
+#include "clutter-input-device-private.h"
 #include "clutter-input-pointer-a11y-private.h"
 #include "clutter-main.h"
 #include "clutter-master-clock.h"
diff --git a/clutter/clutter/clutter-mutter.h b/clutter/clutter/clutter-mutter.h
index ca600da94..2e3af31f1 100644
--- a/clutter/clutter/clutter-mutter.h
+++ b/clutter/clutter/clutter-mutter.h
@@ -26,8 +26,8 @@
 #define __CLUTTER_H_INSIDE__
 
 #include "clutter-backend.h"
-#include "clutter-device-manager-private.h"
 #include "clutter-event-private.h"
+#include "clutter-input-device-private.h"
 #include "clutter-input-pointer-a11y-private.h"
 #include "clutter-macros.h"
 #include "clutter-private.h"
diff --git a/clutter/clutter/clutter-stage.c b/clutter/clutter/clutter-stage.c
index da72a7cd0..fd18208d3 100644
--- a/clutter/clutter/clutter-stage.c
+++ b/clutter/clutter/clutter-stage.c
@@ -60,10 +60,10 @@
 #include "clutter-color.h"
 #include "clutter-container.h"
 #include "clutter-debug.h"
-#include "clutter-device-manager-private.h"
 #include "clutter-enum-types.h"
 #include "clutter-event-private.h"
 #include "clutter-id-pool.h"
+#include "clutter-input-device-private.h"
 #include "clutter-main.h"
 #include "clutter-marshal.h"
 #include "clutter-master-clock.h"
diff --git a/clutter/clutter/clutter.h b/clutter/clutter/clutter.h
index 320fdf7e8..c06f3b2ea 100644
--- a/clutter/clutter/clutter.h
+++ b/clutter/clutter/clutter.h
@@ -56,7 +56,6 @@
 #include "clutter-content.h"
 #include "clutter-deform-effect.h"
 #include "clutter-desaturate-effect.h"
-#include "clutter-device-manager.h"
 #include "clutter-drag-action.h"
 #include "clutter-drop-action.h"
 #include "clutter-effect.h"
diff --git a/clutter/clutter/egl/clutter-backend-eglnative.h b/clutter/clutter/egl/clutter-backend-eglnative.h
index 3a87ddb3d..cc63f89b3 100644
--- a/clutter/clutter/egl/clutter-backend-eglnative.h
+++ b/clutter/clutter/egl/clutter-backend-eglnative.h
@@ -27,11 +27,11 @@
 #define __CLUTTER_BACKEND_EGL_NATIVE_H__
 
 #include <glib-object.h>
+#include <gio/gio.h>
 #include <cogl/cogl.h>
 #include <cogl/cogl-egl.h>
 #include <clutter/clutter-event.h>
 #include <clutter/clutter-backend.h>
-#include <clutter/clutter-device-manager.h>
 
 #include "clutter-backend-private.h"
 
@@ -53,9 +53,6 @@ struct _ClutterBackendEglNative
 {
   ClutterBackend parent_instance;
 
-  /* device manager (ie evdev) */
-  ClutterDeviceManager *device_manager;
-
   /* event source */
   GSource *event_source;
 
diff --git a/clutter/clutter/meson.build b/clutter/clutter/meson.build
index 7a6958c6b..73b9e9cf0 100644
--- a/clutter/clutter/meson.build
+++ b/clutter/clutter/meson.build
@@ -30,7 +30,6 @@ clutter_headers = [
   'clutter-deform-effect.h',
   'clutter-deprecated.h',
   'clutter-desaturate-effect.h',
-  'clutter-device-manager.h',
   'clutter-drag-action.h',
   'clutter-drop-action.h',
   'clutter-effect.h',
@@ -118,7 +117,6 @@ clutter_sources = [
   'clutter-content.c',
   'clutter-deform-effect.c',
   'clutter-desaturate-effect.c',
-  'clutter-device-manager.c',
   'clutter-drag-action.c',
   'clutter-drop-action.c',
   'clutter-effect.c',
@@ -188,13 +186,13 @@ clutter_private_headers = [
   'clutter-constraint-private.h',
   'clutter-content-private.h',
   'clutter-debug.h',
-  'clutter-device-manager-private.h',
   'clutter-easing.h',
   'clutter-effect-private.h',
   'clutter-event-private.h',
   'clutter-flatten-effect.h',
   'clutter-gesture-action-private.h',
   'clutter-id-pool.h',
+  'clutter-input-device-private.h',
   'clutter-input-focus-private.h',
   'clutter-input-method-private.h',
   'clutter-input-pointer-a11y-private.h',
diff --git a/clutter/clutter/x11/clutter-backend-x11.c b/clutter/clutter/x11/clutter-backend-x11.c
index b990e5658..697334b9a 100644
--- a/clutter/clutter/x11/clutter-backend-x11.c
+++ b/clutter/clutter/x11/clutter-backend-x11.c
@@ -47,7 +47,6 @@
 
 #include "clutter-backend.h"
 #include "clutter-debug.h"
-#include "clutter-device-manager-private.h"
 #include "clutter-event-private.h"
 #include "clutter-main.h"
 #include "clutter-private.h"
diff --git a/clutter/clutter/x11/clutter-backend-x11.h b/clutter/clutter/x11/clutter-backend-x11.h
index 029911fad..d08c5409d 100644
--- a/clutter/clutter/x11/clutter-backend-x11.h
+++ b/clutter/clutter/x11/clutter-backend-x11.h
@@ -86,8 +86,6 @@ struct _ClutterBackendX11
 
   Time last_event_time;
 
-  ClutterDeviceManager *device_manager;
-
   XSettingsClient *xsettings;
   Window xsettings_xwin;
 };
diff --git a/src/backends/native/meta-clutter-backend-native.c 
b/src/backends/native/meta-clutter-backend-native.c
index f00c00918..ff3ae1a38 100644
--- a/src/backends/native/meta-clutter-backend-native.c
+++ b/src/backends/native/meta-clutter-backend-native.c
@@ -44,7 +44,6 @@
 
 #include "backends/meta-backend-private.h"
 #include "backends/meta-renderer.h"
-#include "backends/native/meta-device-manager-native.h"
 #include "backends/native/meta-seat-native.h"
 #include "backends/native/meta-stage-native.h"
 #include "clutter/clutter.h"
@@ -57,7 +56,6 @@ struct _MetaClutterBackendNative
 
   MetaSeatNative *main_seat;
   MetaStageNative *stage_native;
-  MetaDeviceManagerNative *device_manager;
 };
 
 static gchar *evdev_seat_id;
@@ -101,14 +99,6 @@ meta_clutter_backend_native_create_stage (ClutterBackend  *backend,
   return CLUTTER_STAGE_WINDOW (clutter_backend_native->stage_native);
 }
 
-static ClutterDeviceManager *
-meta_clutter_backend_native_get_device_manager (ClutterBackend *backend)
-{
-  MetaClutterBackendNative *backend_native = META_CLUTTER_BACKEND_NATIVE (backend);
-
-  return CLUTTER_DEVICE_MANAGER (backend_native->device_manager);
-}
-
 static void
 meta_clutter_backend_native_init_events (ClutterBackend *backend)
 {
@@ -119,8 +109,6 @@ meta_clutter_backend_native_init_events (ClutterBackend *backend)
                                             "backend", backend,
                                             "seat-id", seat_id,
                                             NULL);
-  backend_native->device_manager =
-    meta_device_manager_native_new (backend, backend_native->main_seat);
 }
 
 static ClutterSeat *
@@ -143,7 +131,6 @@ meta_clutter_backend_native_class_init (MetaClutterBackendNativeClass *klass)
 
   clutter_backend_class->get_renderer = meta_clutter_backend_native_get_renderer;
   clutter_backend_class->create_stage = meta_clutter_backend_native_create_stage;
-  clutter_backend_class->get_device_manager = meta_clutter_backend_native_get_device_manager;
   clutter_backend_class->init_events = meta_clutter_backend_native_init_events;
   clutter_backend_class->get_default_seat = meta_clutter_backend_native_get_default_seat;
 }
diff --git a/src/backends/x11/meta-clutter-backend-x11.c b/src/backends/x11/meta-clutter-backend-x11.c
index 7a24de416..d2f6136c9 100644
--- a/src/backends/x11/meta-clutter-backend-x11.c
+++ b/src/backends/x11/meta-clutter-backend-x11.c
@@ -29,7 +29,6 @@
 #include "backends/meta-backend-private.h"
 #include "backends/meta-renderer.h"
 #include "backends/x11/meta-clutter-backend-x11.h"
-#include "backends/x11/meta-device-manager-x11.h"
 #include "backends/x11/meta-keymap-x11.h"
 #include "backends/x11/meta-seat-x11.h"
 #include "backends/x11/meta-xkb-a11y-x11.h"
@@ -42,7 +41,6 @@
 struct _MetaClutterBackendX11
 {
   ClutterBackendX11 parent;
-  MetaDeviceManagerX11 *device_manager;
   MetaSeatX11 *core_seat;
 };
 
@@ -79,14 +77,6 @@ meta_clutter_backend_x11_create_stage (ClutterBackend  *backend,
   return stage;
 }
 
-static ClutterDeviceManager *
-meta_clutter_backend_x11_get_device_manager (ClutterBackend *backend)
-{
-  MetaClutterBackendX11 *backend_x11 = META_CLUTTER_BACKEND_X11 (backend);
-
-  return CLUTTER_DEVICE_MANAGER (backend_x11->device_manager);
-}
-
 static gboolean
 meta_clutter_backend_x11_translate_event (ClutterBackend *backend,
                                           gpointer        native,
@@ -133,13 +123,6 @@ meta_clutter_backend_x11_init_events (ClutterBackend *backend)
             meta_seat_x11_new (event_base,
                                META_VIRTUAL_CORE_POINTER_ID,
                                META_VIRTUAL_CORE_KEYBOARD_ID);
-
-          g_debug ("Creating XI2 device manager");
-          backend_x11->device_manager =
-            g_object_new (META_TYPE_DEVICE_MANAGER_X11,
-                          "backend", backend_x11,
-                          "seat", backend_x11->core_seat,
-                          NULL);
         }
     }
 
@@ -167,7 +150,6 @@ meta_clutter_backend_x11_class_init (MetaClutterBackendX11Class *klass)
 
   clutter_backend_class->get_renderer = meta_clutter_backend_x11_get_renderer;
   clutter_backend_class->create_stage = meta_clutter_backend_x11_create_stage;
-  clutter_backend_class->get_device_manager = meta_clutter_backend_x11_get_device_manager;
   clutter_backend_class->translate_event = meta_clutter_backend_x11_translate_event;
   clutter_backend_class->init_events = meta_clutter_backend_x11_init_events;
   clutter_backend_class->get_default_seat = meta_clutter_backend_x11_get_default_seat;
diff --git a/src/meson.build b/src/meson.build
index 029dbe04b..39366ee43 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -244,8 +244,6 @@ mutter_sources = [
   'backends/x11/meta-crtc-xrandr.h',
   'backends/x11/meta-cursor-renderer-x11.c',
   'backends/x11/meta-cursor-renderer-x11.h',
-  'backends/x11/meta-device-manager-x11.c',
-  'backends/x11/meta-device-manager-x11.h',
   'backends/x11/meta-event-x11.c',
   'backends/x11/meta-event-x11.h',
   'backends/x11/meta-gpu-xrandr.c',
@@ -603,8 +601,6 @@ if have_native_backend
     'backends/native/meta-crtc-kms.h',
     'backends/native/meta-cursor-renderer-native.c',
     'backends/native/meta-cursor-renderer-native.h',
-    'backends/native/meta-device-manager-native.c',
-    'backends/native/meta-device-manager-native.h',
     'backends/native/meta-drm-buffer-dumb.c',
     'backends/native/meta-drm-buffer-dumb.h',
     'backends/native/meta-drm-buffer-gbm.c',


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