Pileus Git - ~andy/gtk/blob - gdk/wayland/gdkdevice-wayland.c

   1 /* GDK - The GIMP Drawing Kit
   2  * Copyright (C) 2009 Carlos Garnacho <carlosg@gnome.org>
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  */
  19
  20 #include "config.h"
  21
  22 #include <string.h>
  23 #include <gdk/gdkwindow.h>
  24 #include <gdk/gdktypes.h>
  25 #include "gdkprivate-wayland.h"
  26 #include "gdkwayland.h"
  27 #include "gdkkeysyms.h"
  28 #include "gdkdeviceprivate.h"
  29 #include "gdkdevicemanagerprivate.h"
  30 #include "gdkprivate-wayland.h"
  31
  32 #include <X11/extensions/XKBcommon.h>
  33 #include <X11/keysym.h>
  34
  35 #define GDK_TYPE_DEVICE_CORE         (gdk_device_core_get_type ())
  36 #define GDK_DEVICE_CORE(o)           (G_TYPE_CHECK_INSTANCE_CAST ((o), GDK_TYPE_DEVICE_CORE, GdkDeviceCore))
  37 #define GDK_DEVICE_CORE_CLASS(c)     (G_TYPE_CHECK_CLASS_CAST ((c), GDK_TYPE_DEVICE_CORE, GdkDeviceCoreClass))
  38 #define GDK_IS_DEVICE_CORE(o)        (G_TYPE_CHECK_INSTANCE_TYPE ((o), GDK_TYPE_DEVICE_CORE))
  39 #define GDK_IS_DEVICE_CORE_CLASS(c)  (G_TYPE_CHECK_CLASS_TYPE ((c), GDK_TYPE_DEVICE_CORE))
  40 #define GDK_DEVICE_CORE_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GDK_TYPE_DEVICE_CORE, GdkDeviceCoreClass))
  41
  42 typedef struct _GdkDeviceCore GdkDeviceCore;
  43 typedef struct _GdkDeviceCoreClass GdkDeviceCoreClass;
  44 typedef struct _GdkWaylandDevice GdkWaylandDevice;
  45
  46 struct _GdkWaylandDevice
  47 {
  48   GdkDisplay *display;
  49   GdkDevice *pointer;
  50   GdkDevice *keyboard;
  51   GdkModifierType modifiers;
  52   GdkWindow *pointer_focus;
  53   GdkWindow *keyboard_focus;
  54   struct wl_input_device *device;
  55   int32_t x, y, surface_x, surface_y;
  56   uint32_t time;
  57 };
  58
  59 struct _GdkDeviceCore
  60 {
  61   GdkDevice parent_instance;
  62   GdkWaylandDevice *device;
  63 };
  64
  65 struct _GdkDeviceCoreClass
  66 {
  67   GdkDeviceClass parent_class;
  68 };
  69
  70 G_DEFINE_TYPE (GdkDeviceCore, gdk_device_core, GDK_TYPE_DEVICE)
  71
  72 #define GDK_TYPE_DEVICE_MANAGER_CORE         (gdk_device_manager_core_get_type ())
  73 #define GDK_DEVICE_MANAGER_CORE(o)           (G_TYPE_CHECK_INSTANCE_CAST ((o), GDK_TYPE_DEVICE_MANAGER_CORE, GdkDeviceManagerCore))
  74 #define GDK_DEVICE_MANAGER_CORE_CLASS(c)     (G_TYPE_CHECK_CLASS_CAST ((c), GDK_TYPE_DEVICE_MANAGER_CORE, GdkDeviceManagerCoreClass))
  75 #define GDK_IS_DEVICE_MANAGER_CORE(o)        (G_TYPE_CHECK_INSTANCE_TYPE ((o), GDK_TYPE_DEVICE_MANAGER_CORE))
  76 #define GDK_IS_DEVICE_MANAGER_CORE_CLASS(c)  (G_TYPE_CHECK_CLASS_TYPE ((c), GDK_TYPE_DEVICE_MANAGER_CORE))
  77 #define GDK_DEVICE_MANAGER_CORE_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GDK_TYPE_DEVICE_MANAGER_CORE, GdkDeviceManagerCoreClass))
  78
  79 typedef struct _GdkDeviceManagerCore GdkDeviceManagerCore;
  80 typedef struct _GdkDeviceManagerCoreClass GdkDeviceManagerCoreClass;
  81
  82 struct _GdkDeviceManagerCore
  83 {
  84   GdkDeviceManager parent_object;
  85   GdkDevice *core_pointer;
  86   GdkDevice *core_keyboard;
  87   GList *devices;
  88 };
  89
  90 struct _GdkDeviceManagerCoreClass
  91 {
  92   GdkDeviceManagerClass parent_class;
  93 };
  94
  95 G_DEFINE_TYPE (GdkDeviceManagerCore,
  96                gdk_device_manager_core, GDK_TYPE_DEVICE_MANAGER)
  97
  98 static gboolean
  99 gdk_device_core_get_history (GdkDevice      *device,
 100                              GdkWindow      *window,
 101                              guint32         start,
 102                              guint32         stop,
 103                              GdkTimeCoord ***events,
 104                              gint           *n_events)
 105 {
 106   return FALSE;
 107 }
 108
 109 static void
 110 gdk_device_core_get_state (GdkDevice       *device,
 111                            GdkWindow       *window,
 112                            gdouble         *axes,
 113                            GdkModifierType *mask)
 114 {
 115   gint x_int, y_int;
 116
 117   gdk_window_get_pointer (window, &x_int, &y_int, mask);
 118
 119   if (axes)
 120     {
 121       axes[0] = x_int;
 122       axes[1] = y_int;
 123     }
 124 }
 125
 126 static void
 127 gdk_device_core_set_window_cursor (GdkDevice *device,
 128                                    GdkWindow *window,
 129                                    GdkCursor *cursor)
 130 {
 131   GdkWaylandDevice *wd = GDK_DEVICE_CORE(device)->device;
 132   struct wl_buffer *buffer;
 133   int x, y;
 134
 135   if (cursor)
 136     {
 137       buffer = _gdk_wayland_cursor_get_buffer(cursor, &x, &y);
 138       wl_input_device_attach(wd->device, wd->time, buffer, x, y);
 139     }
 140   else
 141     {
 142       wl_input_device_attach(wd->device, wd->time, NULL, 0, 0);
 143     }
 144 }
 145
 146 static void
 147 gdk_device_core_warp (GdkDevice *device,
 148                       GdkScreen *screen,
 149                       gint       x,
 150                       gint       y)
 151 {
 152 }
 153
 154 static gboolean
 155 gdk_device_core_query_state (GdkDevice        *device,
 156                              GdkWindow        *window,
 157                              GdkWindow       **root_window,
 158                              GdkWindow       **child_window,
 159                              gint             *root_x,
 160                              gint             *root_y,
 161                              gint             *win_x,
 162                              gint             *win_y,
 163                              GdkModifierType  *mask)
 164 {
 165   GdkWaylandDevice *wd;
 166   GdkScreen *default_screen;
 167
 168   wd = GDK_DEVICE_CORE(device)->device;
 169   default_screen = gdk_display_get_default_screen (wd->display);
 170
 171   if (root_window)
 172     *root_window = gdk_screen_get_root_window (default_screen);
 173   if (child_window)
 174     *child_window = wd->pointer_focus;
 175   if (root_x)
 176     *root_x = wd->x;
 177   if (root_y)
 178     *root_y = wd->y;
 179   if (win_x)
 180     *win_x = wd->surface_x;
 181   if (win_y)
 182     *win_y = wd->surface_y;
 183   if (mask)
 184     *mask = wd->modifiers;
 185
 186   return TRUE;
 187 }
 188
 189 static GdkGrabStatus
 190 gdk_device_core_grab (GdkDevice    *device,
 191                       GdkWindow    *window,
 192                       gboolean      owner_events,
 193                       GdkEventMask  event_mask,
 194                       GdkWindow    *confine_to,
 195                       GdkCursor    *cursor,
 196                       guint32       time_)
 197 {
 198   return GDK_GRAB_SUCCESS;
 199 }
 200
 201 static void
 202 gdk_device_core_ungrab (GdkDevice *device,
 203                         guint32    time_)
 204 {
 205 }
 206
 207 static GdkWindow *
 208 gdk_device_core_window_at_position (GdkDevice       *device,
 209                                     gint            *win_x,
 210                                     gint            *win_y,
 211                                     GdkModifierType *mask,
 212                                     gboolean         get_toplevel)
 213 {
 214   GdkWaylandDevice *wd;
 215
 216   wd = GDK_DEVICE_CORE(device)->device;
 217
 218   return wd->pointer_focus;
 219 }
 220
 221 static void
 222 gdk_device_core_select_window_events (GdkDevice    *device,
 223                                       GdkWindow    *window,
 224                                       GdkEventMask  event_mask)
 225 {
 226 }
 227
 228 static void
 229 gdk_device_core_class_init (GdkDeviceCoreClass *klass)
 230 {
 231   GdkDeviceClass *device_class = GDK_DEVICE_CLASS (klass);
 232
 233   device_class->get_history = gdk_device_core_get_history;
 234   device_class->get_state = gdk_device_core_get_state;
 235   device_class->set_window_cursor = gdk_device_core_set_window_cursor;
 236   device_class->warp = gdk_device_core_warp;
 237   device_class->query_state = gdk_device_core_query_state;
 238   device_class->grab = gdk_device_core_grab;
 239   device_class->ungrab = gdk_device_core_ungrab;
 240   device_class->window_at_position = gdk_device_core_window_at_position;
 241   device_class->select_window_events = gdk_device_core_select_window_events;
 242 }
 243
 244 static void
 245 gdk_device_core_init (GdkDeviceCore *device_core)
 246 {
 247   GdkDevice *device;
 248
 249   device = GDK_DEVICE (device_core);
 250
 251   _gdk_device_add_axis (device, GDK_NONE, GDK_AXIS_X, 0, 0, 1);
 252   _gdk_device_add_axis (device, GDK_NONE, GDK_AXIS_Y, 0, 0, 1);
 253 }
 254
 255 struct wl_input_device *
 256 _gdk_wayland_device_get_device (GdkDevice *device)
 257 {
 258   GDK_DEVICE_CORE (device)->device->device;
 259 }
 260
 261 static void
 262 input_handle_motion(void *data, struct wl_input_device *input_device,
 263                     uint32_t time,
 264                     int32_t x, int32_t y, int32_t sx, int32_t sy)
 265 {
 266   GdkWaylandDevice *device = data;
 267   GdkEvent *event;
 268
 269   event = gdk_event_new (GDK_NOTHING);
 270
 271   device->time = time;
 272   device->x = x;
 273   device->y = y;
 274   device->surface_x = sx;
 275   device->surface_y = sy;
 276
 277   event->motion.type = GDK_MOTION_NOTIFY;
 278   event->motion.window = g_object_ref (device->pointer_focus);
 279   gdk_event_set_device (event, device->pointer);
 280   event->motion.time = time;
 281   event->motion.x = (gdouble) sx;
 282   event->motion.y = (gdouble) sy;
 283   event->motion.x_root = (gdouble) x;
 284   event->motion.y_root = (gdouble) y;
 285   event->motion.axes = NULL;
 286   event->motion.state = device->modifiers;
 287   event->motion.is_hint = 0;
 288
 289   _gdk_wayland_display_deliver_event (device->display, event);
 290 }
 291
 292 static void
 293 input_handle_button(void *data, struct wl_input_device *input_device,
 294                      uint32_t time, uint32_t button, uint32_t state)
 295 {
 296   GdkWaylandDevice *device = data;
 297   GdkEvent *event;
 298   uint32_t modifier;
 299
 300   fprintf (stderr, "button event %d, state %d\n", button, state);
 301
 302   device->time = time;
 303   event = gdk_event_new (state ? GDK_BUTTON_PRESS : GDK_BUTTON_RELEASE);
 304   event->button.window = g_object_ref (device->pointer_focus);
 305   gdk_event_set_device (event, device->pointer);
 306   event->button.time = time;
 307   event->button.x = (gdouble) device->surface_x;
 308   event->button.y = (gdouble) device->surface_y;
 309   event->button.x_root = (gdouble) device->x;
 310   event->button.y_root = (gdouble) device->y;
 311   event->button.axes = NULL;
 312   event->button.state = device->modifiers;
 313   event->button.button = button - 271;
 314
 315   modifier = 1 << (8 + button - 272);
 316   if (state)
 317     device->modifiers |= modifier;
 318   else
 319     device->modifiers &= ~modifier;
 320
 321   _gdk_wayland_display_deliver_event (device->display, event);
 322 }
 323
 324 static void
 325 input_handle_key(void *data, struct wl_input_device *input_device,
 326                  uint32_t time, uint32_t key, uint32_t state)
 327 {
 328   GdkWaylandDevice *device = data;
 329   GdkEvent *event;
 330   uint32_t code, modifier, level;
 331   struct xkb_desc *xkb;
 332   GdkKeymap *keymap;
 333
 334   device->time = time;
 335   event = gdk_event_new (state ? GDK_KEY_PRESS : GDK_KEY_RELEASE);
 336   event->key.window = g_object_ref (device->keyboard_focus);
 337   gdk_event_set_device (event, device->keyboard);
 338   event->button.time = time;
 339   event->key.state = device->modifiers;
 340   event->key.group = 0;
 341   event->key.hardware_keycode = key;
 342
 343   keymap = gdk_keymap_get_for_display (device->display);
 344   xkb = _gdk_wayland_keymap_get_xkb_desc (keymap);
 345
 346   code = key + xkb->min_key_code;
 347
 348   level = 0;
 349   if (device->modifiers & XKB_COMMON_SHIFT_MASK &&
 350       XkbKeyGroupWidth(xkb, code, 0) > 1)
 351     level = 1;
 352
 353   event->key.keyval = XkbKeySymEntry(xkb, code, level, 0);
 354
 355   modifier = xkb->map->modmap[code];
 356   if (state)
 357     device->modifiers |= modifier;
 358   else
 359     device->modifiers &= ~modifier;
 360
 361   event->key.is_modifier = modifier > 0;
 362
 363   if (event->key.keyval == GDK_KEY_Escape)
 364     {
 365       event->key.length = 1;
 366       event->key.string = g_strdup ("\033");
 367     }
 368   else if (event->key.keyval == GDK_KEY_Return ||
 369            event->key.keyval == GDK_KEY_KP_Enter)
 370     {
 371       event->key.length = 1;
 372       event->key.string = g_strdup ("\r");
 373     }
 374   else if (event->key.state & GDK_CONTROL_MASK)
 375     {
 376       gsize bytes_written;
 377       gint len;
 378       gchar buf[7];
 379       int c = event->key.keyval;
 380
 381       /* Apply the control key - Taken from Xlib */
 382       if ((c >= XK_at && c < '\177') || c == ' ')
 383         c &= 0x1F;
 384       else if (c == XK_2)
 385         {
 386           event->key.string = g_memdup ("\0\0", 2);
 387           event->key.length = 1;
 388           buf[0] = '\0';
 389           goto out;
 390         }
 391       else if (c >= XK_3 && c <= XK_7)
 392         c -= (XK_3 - '\033');
 393       else if (c == XK_8)
 394         c = '\177';
 395       else if (c == XK_slash)
 396         c = '_' & 0x1F;
 397
 398       len = g_unichar_to_utf8 (c, buf);
 399       buf[len] = '\0';
 400
 401       event->key.string = g_locale_from_utf8 (buf, len,
 402                                               NULL, &bytes_written,
 403                                               NULL);
 404       if (event->key.string)
 405         event->key.length = bytes_written;
 406     }
 407   else
 408     {
 409       char buffer[128];
 410       xkb_keysym_to_string(event->key.keyval, buffer, sizeof buffer);
 411       event->key.string = g_strdup (buffer);
 412       event->key.length = strlen(event->key.string);
 413     }
 414
 415  out:
 416   _gdk_wayland_display_deliver_event (device->display, event);
 417
 418   fprintf (stderr, "keyboard event, code %d, sym %d, string %s, mods 0x%x\n",
 419            code, event->key.keyval, event->key.string, event->key.state);
 420 }
 421
 422 static void
 423 input_handle_pointer_focus(void *data,
 424                            struct wl_input_device *input_device,
 425                            uint32_t time, struct wl_surface *surface,
 426                            int32_t x, int32_t y, int32_t sx, int32_t sy)
 427 {
 428   GdkWaylandDevice *device = data;
 429   GdkEvent *event;
 430
 431   device->time = time;
 432   if (device->pointer_focus)
 433     {
 434       event = gdk_event_new (GDK_LEAVE_NOTIFY);
 435       event->crossing.window = g_object_ref (device->pointer_focus);
 436       gdk_event_set_device (event, device->pointer);
 437       event->crossing.subwindow = NULL;
 438       event->crossing.time = time;
 439       event->crossing.x = (gdouble) device->surface_x;
 440       event->crossing.y = (gdouble) device->surface_y;
 441       event->crossing.x_root = (gdouble) device->x;
 442       event->crossing.y_root = (gdouble) device->y;
 443
 444       event->crossing.mode = GDK_CROSSING_NORMAL;
 445       event->crossing.detail = GDK_NOTIFY_ANCESTOR;
 446       event->crossing.focus = TRUE;
 447       event->crossing.state = 0;
 448
 449       _gdk_wayland_display_deliver_event (device->display, event);
 450
 451       g_object_unref(device->pointer_focus);
 452       device->pointer_focus = NULL;
 453     }
 454
 455   if (surface)
 456     {
 457       device->pointer_focus = wl_surface_get_user_data(surface);
 458       g_object_ref(device->pointer_focus);
 459
 460       event = gdk_event_new (GDK_ENTER_NOTIFY);
 461       event->crossing.window = g_object_ref (device->pointer_focus);
 462       gdk_event_set_device (event, device->pointer);
 463       event->crossing.subwindow = NULL;
 464       event->crossing.time = time;
 465       event->crossing.x = (gdouble) sx;
 466       event->crossing.y = (gdouble) sy;
 467       event->crossing.x_root = (gdouble) x;
 468       event->crossing.y_root = (gdouble) y;
 469
 470       event->crossing.mode = GDK_CROSSING_NORMAL;
 471       event->crossing.detail = GDK_NOTIFY_ANCESTOR;
 472       event->crossing.focus = TRUE;
 473       event->crossing.state = 0;
 474
 475       device->surface_x = sx;
 476       device->surface_y = sy;
 477       device->x = x;
 478       device->y = y;
 479
 480       _gdk_wayland_display_deliver_event (device->display, event);
 481     }
 482
 483   fprintf (stderr, "pointer focus surface %p, window %p\n",
 484            surface, device->pointer_focus);
 485 }
 486
 487 static void
 488 update_modifiers(GdkWaylandDevice *device, struct wl_array *keys)
 489 {
 490   uint32_t *k, *end;
 491   GdkKeymap *keymap;
 492   struct xkb_desc *xkb;
 493
 494   keymap = gdk_keymap_get_for_display (device->display);
 495   xkb = _gdk_wayland_keymap_get_xkb_desc (keymap);
 496
 497   end = keys->data + keys->size;
 498   for (k = keys->data; k < end; k++)
 499     device->modifiers |= xkb->map->modmap[*k];
 500
 501   fprintf (stderr, "modifiers: 0x%x\n", device->modifiers);
 502 }
 503
 504 static void
 505 input_handle_keyboard_focus(void *data,
 506                             struct wl_input_device *input_device,
 507                             uint32_t time,
 508                             struct wl_surface *surface,
 509                             struct wl_array *keys)
 510 {
 511   GdkWaylandDevice *device = data;
 512   GdkEvent *event;
 513
 514   fprintf (stderr, "keyboard focus surface %p\n", surface);
 515
 516   device->time = time;
 517   if (device->keyboard_focus)
 518     {
 519       event = gdk_event_new (GDK_FOCUS_CHANGE);
 520       event->focus_change.window = g_object_ref (device->keyboard_focus);
 521       event->focus_change.send_event = FALSE;
 522       event->focus_change.in = FALSE;
 523       gdk_event_set_device (event, device->keyboard);
 524
 525       g_object_unref(device->pointer_focus);
 526       device->keyboard_focus = NULL;
 527
 528       _gdk_wayland_display_deliver_event (device->display, event);
 529     }
 530
 531   if (surface)
 532     {
 533       device->keyboard_focus = wl_surface_get_user_data(surface);
 534       g_object_ref(device->keyboard_focus);
 535
 536       event = gdk_event_new (GDK_FOCUS_CHANGE);
 537       event->focus_change.window = g_object_ref (device->keyboard_focus);
 538       event->focus_change.send_event = FALSE;
 539       event->focus_change.in = TRUE;
 540       gdk_event_set_device (event, device->keyboard);
 541
 542       update_modifiers (device, keys);
 543
 544       _gdk_wayland_display_deliver_event (device->display, event);
 545     }
 546 }
 547
 548 static const struct wl_input_device_listener input_device_listener = {
 549         input_handle_motion,
 550         input_handle_button,
 551         input_handle_key,
 552         input_handle_pointer_focus,
 553         input_handle_keyboard_focus,
 554 };
 555
 556 void
 557 _gdk_wayland_device_manager_add_device (GdkDeviceManager *device_manager,
 558                                         struct wl_input_device *wl_device)
 559 {
 560   GdkDisplay *display;
 561   GdkDeviceManagerCore *device_manager_core =
 562     GDK_DEVICE_MANAGER_CORE(device_manager);
 563   GdkWaylandDevice *device;
 564
 565   device = g_new0 (GdkWaylandDevice, 1);
 566   display = gdk_device_manager_get_display (device_manager);
 567
 568   device->display = display;
 569   device->pointer = g_object_new (GDK_TYPE_DEVICE_CORE,
 570                                   "name", "Core Pointer",
 571                                   "type", GDK_DEVICE_TYPE_MASTER,
 572                                   "input-source", GDK_SOURCE_MOUSE,
 573                                   "input-mode", GDK_MODE_SCREEN,
 574                                   "has-cursor", TRUE,
 575                                   "display", display,
 576                                   "device-manager", device_manager,
 577                                   NULL);
 578
 579   device->keyboard = g_object_new (GDK_TYPE_DEVICE_CORE,
 580                                    "name", "Core Keyboard",
 581                                    "type", GDK_DEVICE_TYPE_MASTER,
 582                                    "input-source", GDK_SOURCE_KEYBOARD,
 583                                    "input-mode", GDK_MODE_SCREEN,
 584                                    "has-cursor", FALSE,
 585                                    "display", display,
 586                                    "device-manager", device_manager,
 587                                    NULL);
 588
 589   GDK_DEVICE_CORE (device->pointer)->device = device;
 590   GDK_DEVICE_CORE (device->keyboard)->device = device;
 591   device->device = wl_device;
 592
 593   wl_input_device_add_listener(device->device,
 594                                &input_device_listener, device);
 595
 596   device_manager_core->devices =
 597     g_list_prepend (device_manager_core->devices, device->keyboard);
 598   device_manager_core->devices =
 599     g_list_prepend (device_manager_core->devices, device->pointer);
 600
 601   _gdk_device_set_associated_device (device->pointer, device->keyboard);
 602   _gdk_device_set_associated_device (device->keyboard, device->pointer);
 603 }
 604
 605 static void
 606 free_device (void *data, void *user_data)
 607 {
 608   g_object_unref (data);
 609 }
 610
 611 static void
 612 gdk_device_manager_core_finalize (GObject *object)
 613 {
 614   GdkDeviceManagerCore *device_manager_core;
 615
 616   device_manager_core = GDK_DEVICE_MANAGER_CORE (object);
 617
 618   g_list_foreach (device_manager_core->devices, free_device, NULL);
 619   g_list_free (device_manager_core->devices);
 620
 621   G_OBJECT_CLASS (gdk_device_manager_core_parent_class)->finalize (object);
 622 }
 623
 624 static GList *
 625 gdk_device_manager_core_list_devices (GdkDeviceManager *device_manager,
 626                                       GdkDeviceType     type)
 627 {
 628   GdkDeviceManagerCore *device_manager_core;
 629   GList *devices = NULL;
 630
 631   if (type == GDK_DEVICE_TYPE_MASTER)
 632     {
 633       device_manager_core = (GdkDeviceManagerCore *) device_manager;
 634       devices = g_list_copy(device_manager_core->devices);
 635     }
 636
 637   return devices;
 638 }
 639
 640 static GdkDevice *
 641 gdk_device_manager_core_get_client_pointer (GdkDeviceManager *device_manager)
 642 {
 643   GdkDeviceManagerCore *device_manager_core;
 644
 645   device_manager_core = (GdkDeviceManagerCore *) device_manager;
 646   return device_manager_core->devices->data;
 647 }
 648
 649 static void
 650 gdk_device_manager_core_class_init (GdkDeviceManagerCoreClass *klass)
 651 {
 652   GdkDeviceManagerClass *device_manager_class = GDK_DEVICE_MANAGER_CLASS (klass);
 653   GObjectClass *object_class = G_OBJECT_CLASS (klass);
 654
 655   object_class->finalize = gdk_device_manager_core_finalize;
 656   device_manager_class->list_devices = gdk_device_manager_core_list_devices;
 657   device_manager_class->get_client_pointer = gdk_device_manager_core_get_client_pointer;
 658 }
 659
 660 static void
 661 gdk_device_manager_core_init (GdkDeviceManagerCore *device_manager)
 662 {
 663 }
 664
 665 GdkDeviceManager *
 666 _gdk_wayland_device_manager_new (GdkDisplay *display)
 667 {
 668   return g_object_new (GDK_TYPE_DEVICE_MANAGER_CORE,
 669                        "display", display,
 670                        NULL);
 671 }