Pileus Git - ~andy/gtk/blob - gdk/wayland/gdkdevicemanager-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/gdktypes.h>
  24 #include <gdk/gdkdevicemanager.h>
  25 #include "gdkdevicemanager-wayland.h"
  26 #include "gdkdevice-wayland.h"
  27 #include "gdkkeysyms.h"
  28 #include "gdkprivate-wayland.h"
  29
  30 #include <X11/extensions/XKBcommon.h>
  31 #include <X11/keysym.h>
  32
  33 static void    gdk_device_manager_core_finalize    (GObject *object);
  34
  35 static GList * gdk_device_manager_core_list_devices (GdkDeviceManager *device_manager,
  36                                                      GdkDeviceType     type);
  37 static GdkDevice * gdk_device_manager_core_get_client_pointer (GdkDeviceManager *device_manager);
  38
  39 G_DEFINE_TYPE (GdkDeviceManagerCore, gdk_device_manager_core, GDK_TYPE_DEVICE_MANAGER)
  40
  41 static void
  42 gdk_device_manager_core_class_init (GdkDeviceManagerCoreClass *klass)
  43 {
  44   GdkDeviceManagerClass *device_manager_class = GDK_DEVICE_MANAGER_CLASS (klass);
  45   GObjectClass *object_class = G_OBJECT_CLASS (klass);
  46
  47   object_class->finalize = gdk_device_manager_core_finalize;
  48   device_manager_class->list_devices = gdk_device_manager_core_list_devices;
  49   device_manager_class->get_client_pointer = gdk_device_manager_core_get_client_pointer;
  50 }
  51
  52 static void
  53 input_handle_motion(void *data, struct wl_input_device *input_device,
  54                     uint32_t time,
  55                     int32_t x, int32_t y, int32_t sx, int32_t sy)
  56 {
  57   GdkWaylandDevice *device = data;
  58   GdkEvent *event;
  59
  60   event = gdk_event_new (GDK_NOTHING);
  61
  62   device->time = time;
  63   device->x = x;
  64   device->y = y;
  65   device->surface_x = sx;
  66   device->surface_y = sy;
  67
  68   event->motion.type = GDK_MOTION_NOTIFY;
  69   event->motion.window = g_object_ref (device->pointer_focus);
  70   gdk_event_set_device (event, device->pointer);
  71   event->motion.time = time;
  72   event->motion.x = (gdouble) sx;
  73   event->motion.y = (gdouble) sy;
  74   event->motion.x_root = (gdouble) x;
  75   event->motion.y_root = (gdouble) y;
  76   event->motion.axes = NULL;
  77   event->motion.state = device->modifiers;
  78   event->motion.is_hint = 0;
  79
  80   _gdk_wayland_display_deliver_event (device->display, event);
  81 }
  82
  83 static void
  84 input_handle_button(void *data, struct wl_input_device *input_device,
  85                      uint32_t time, uint32_t button, uint32_t state)
  86 {
  87   GdkWaylandDevice *device = data;
  88   GdkEvent *event;
  89   uint32_t modifier;
  90
  91   fprintf (stderr, "button event %d, state %d\n", button, state);
  92
  93   device->time = time;
  94   event = gdk_event_new (state ? GDK_BUTTON_PRESS : GDK_BUTTON_RELEASE);
  95   event->button.window = g_object_ref (device->pointer_focus);
  96   gdk_event_set_device (event, device->pointer);
  97   event->button.time = time;
  98   event->button.x = (gdouble) device->surface_x;
  99   event->button.y = (gdouble) device->surface_y;
 100   event->button.x_root = (gdouble) device->x;
 101   event->button.y_root = (gdouble) device->y;
 102   event->button.axes = NULL;
 103   event->button.state = device->modifiers;
 104   event->button.button = button - 271;
 105
 106   modifier = 1 << (8 + button - 272);
 107   if (state)
 108     device->modifiers |= modifier;
 109   else
 110     device->modifiers &= ~modifier;
 111
 112   _gdk_wayland_display_deliver_event (device->display, event);
 113 }
 114
 115 static void
 116 input_handle_key(void *data, struct wl_input_device *input_device,
 117                  uint32_t time, uint32_t key, uint32_t state)
 118 {
 119   GdkWaylandDevice *device = data;
 120   GdkEvent *event;
 121   uint32_t code, modifier, level;
 122   struct xkb_desc *xkb;
 123   GdkKeymap *keymap;
 124
 125   device->time = time;
 126   event = gdk_event_new (state ? GDK_KEY_PRESS : GDK_KEY_RELEASE);
 127   event->key.window = g_object_ref (device->keyboard_focus);
 128   gdk_event_set_device (event, device->keyboard);
 129   event->button.time = time;
 130   event->key.state = device->modifiers;
 131   event->key.group = 0;
 132   event->key.hardware_keycode = key;
 133
 134   keymap = gdk_keymap_get_for_display (device->display);
 135   xkb = _gdk_wayland_keymap_get_xkb_desc (keymap);
 136
 137   code = key + xkb->min_key_code;
 138
 139   level = 0;
 140   if (device->modifiers & XKB_COMMON_SHIFT_MASK &&
 141       XkbKeyGroupWidth(xkb, code, 0) > 1)
 142     level = 1;
 143
 144   event->key.keyval = XkbKeySymEntry(xkb, code, level, 0);
 145
 146   modifier = xkb->map->modmap[code];
 147   if (state)
 148     device->modifiers |= modifier;
 149   else
 150     device->modifiers &= ~modifier;
 151
 152   event->key.is_modifier = modifier > 0;
 153
 154   if (event->key.keyval == GDK_KEY_Escape)
 155     {
 156       event->key.length = 1;
 157       event->key.string = g_strdup ("\033");
 158     }
 159   else if (event->key.keyval == GDK_KEY_Return ||
 160            event->key.keyval == GDK_KEY_KP_Enter)
 161     {
 162       event->key.length = 1;
 163       event->key.string = g_strdup ("\r");
 164     }
 165   else if (event->key.state & GDK_CONTROL_MASK)
 166     {
 167       gsize bytes_written;
 168       gint len;
 169       gchar buf[7];
 170       int c = event->key.keyval;
 171
 172       /* Apply the control key - Taken from Xlib */
 173       if ((c >= XK_at && c < '\177') || c == ' ')
 174         c &= 0x1F;
 175       else if (c == XK_2)
 176         {
 177           event->key.string = g_memdup ("\0\0", 2);
 178           event->key.length = 1;
 179           buf[0] = '\0';
 180           goto out;
 181         }
 182       else if (c >= XK_3 && c <= XK_7)
 183         c -= (XK_3 - '\033');
 184       else if (c == XK_8)
 185         c = '\177';
 186       else if (c == XK_slash)
 187         c = '_' & 0x1F;
 188
 189       len = g_unichar_to_utf8 (c, buf);
 190       buf[len] = '\0';
 191
 192       event->key.string = g_locale_from_utf8 (buf, len,
 193                                               NULL, &bytes_written,
 194                                               NULL);
 195       if (event->key.string)
 196         event->key.length = bytes_written;
 197     }
 198   else
 199     {
 200       char buffer[128];
 201       xkb_keysym_to_string(event->key.keyval, buffer, sizeof buffer);
 202       event->key.string = g_strdup (buffer);
 203       event->key.length = strlen(event->key.string);
 204     }
 205
 206  out:
 207   _gdk_wayland_display_deliver_event (device->display, event);
 208
 209   fprintf (stderr, "keyboard event, code %d, sym %d, string %s, mods 0x%x\n",
 210            code, event->key.keyval, event->key.string, event->key.state);
 211 }
 212
 213 static void
 214 input_handle_pointer_focus(void *data,
 215                            struct wl_input_device *input_device,
 216                            uint32_t time, struct wl_surface *surface,
 217                            int32_t x, int32_t y, int32_t sx, int32_t sy)
 218 {
 219   GdkWaylandDevice *device = data;
 220   GdkEvent *event;
 221
 222   device->time = time;
 223   if (device->pointer_focus)
 224     {
 225       event = gdk_event_new (GDK_LEAVE_NOTIFY);
 226       event->crossing.window = g_object_ref (device->pointer_focus);
 227       gdk_event_set_device (event, device->pointer);
 228       event->crossing.subwindow = NULL;
 229       event->crossing.time = time;
 230       event->crossing.x = (gdouble) device->surface_x;
 231       event->crossing.y = (gdouble) device->surface_y;
 232       event->crossing.x_root = (gdouble) device->x;
 233       event->crossing.y_root = (gdouble) device->y;
 234
 235       event->crossing.mode = GDK_CROSSING_NORMAL;
 236       event->crossing.detail = GDK_NOTIFY_ANCESTOR;
 237       event->crossing.focus = TRUE;
 238       event->crossing.state = 0;
 239
 240       _gdk_wayland_display_deliver_event (device->display, event);
 241
 242       g_object_unref(device->pointer_focus);
 243       device->pointer_focus = NULL;
 244     }
 245
 246   if (surface)
 247     {
 248       device->pointer_focus = wl_surface_get_user_data(surface);
 249       g_object_ref(device->pointer_focus);
 250
 251       event = gdk_event_new (GDK_ENTER_NOTIFY);
 252       event->crossing.window = g_object_ref (device->pointer_focus);
 253       gdk_event_set_device (event, device->pointer);
 254       event->crossing.subwindow = NULL;
 255       event->crossing.time = time;
 256       event->crossing.x = (gdouble) sx;
 257       event->crossing.y = (gdouble) sy;
 258       event->crossing.x_root = (gdouble) x;
 259       event->crossing.y_root = (gdouble) y;
 260
 261       event->crossing.mode = GDK_CROSSING_NORMAL;
 262       event->crossing.detail = GDK_NOTIFY_ANCESTOR;
 263       event->crossing.focus = TRUE;
 264       event->crossing.state = 0;
 265
 266       device->surface_x = sx;
 267       device->surface_y = sy;
 268       device->x = x;
 269       device->y = y;
 270
 271       _gdk_wayland_display_deliver_event (device->display, event);
 272     }
 273
 274   fprintf (stderr, "pointer focus surface %p, window %p\n",
 275            surface, device->pointer_focus);
 276 }
 277
 278 static void
 279 update_modifiers(GdkWaylandDevice *device, struct wl_array *keys)
 280 {
 281   uint32_t *k, *end;
 282   GdkKeymap *keymap;
 283   struct xkb_desc *xkb;
 284
 285   keymap = gdk_keymap_get_for_display (device->display);
 286   xkb = _gdk_wayland_keymap_get_xkb_desc (keymap);
 287
 288   end = keys->data + keys->size;
 289   for (k = keys->data; k < end; k++)
 290     device->modifiers |= xkb->map->modmap[*k];
 291
 292   fprintf (stderr, "modifiers: 0x%x\n", device->modifiers);
 293 }
 294
 295 static void
 296 input_handle_keyboard_focus(void *data,
 297                             struct wl_input_device *input_device,
 298                             uint32_t time,
 299                             struct wl_surface *surface,
 300                             struct wl_array *keys)
 301 {
 302   GdkWaylandDevice *device = data;
 303   GdkEvent *event;
 304
 305   fprintf (stderr, "keyboard focus surface %p\n", surface);
 306
 307   device->time = time;
 308   if (device->keyboard_focus)
 309     {
 310       event = gdk_event_new (GDK_FOCUS_CHANGE);
 311       event->focus_change.window = g_object_ref (device->keyboard_focus);
 312       event->focus_change.send_event = FALSE;
 313       event->focus_change.in = FALSE;
 314       gdk_event_set_device (event, device->keyboard);
 315
 316       g_object_unref(device->pointer_focus);
 317       device->keyboard_focus = NULL;
 318
 319       _gdk_wayland_display_deliver_event (device->display, event);
 320     }
 321
 322   if (surface)
 323     {
 324       device->keyboard_focus = wl_surface_get_user_data(surface);
 325       g_object_ref(device->keyboard_focus);
 326
 327       event = gdk_event_new (GDK_FOCUS_CHANGE);
 328       event->focus_change.window = g_object_ref (device->keyboard_focus);
 329       event->focus_change.send_event = FALSE;
 330       event->focus_change.in = TRUE;
 331       gdk_event_set_device (event, device->keyboard);
 332
 333       update_modifiers (device, keys);
 334
 335       _gdk_wayland_display_deliver_event (device->display, event);
 336     }
 337 }
 338
 339 static const struct wl_input_device_listener input_device_listener = {
 340         input_handle_motion,
 341         input_handle_button,
 342         input_handle_key,
 343         input_handle_pointer_focus,
 344         input_handle_keyboard_focus,
 345 };
 346
 347 void
 348 gdk_device_manager_core_add_device (GdkDeviceManager *device_manager,
 349                                     struct wl_input_device *wl_device)
 350 {
 351   GdkDisplay *display;
 352   GdkDeviceManagerCore *device_manager_core =
 353     GDK_DEVICE_MANAGER_CORE(device_manager);
 354   GdkWaylandDevice *device;
 355
 356   device = g_new0 (GdkWaylandDevice, 1);
 357   display = gdk_device_manager_get_display (device_manager);
 358
 359   device->display = display;
 360   device->pointer = g_object_new (GDK_TYPE_DEVICE_CORE,
 361                                   "name", "Core Pointer",
 362                                   "type", GDK_DEVICE_TYPE_MASTER,
 363                                   "input-source", GDK_SOURCE_MOUSE,
 364                                   "input-mode", GDK_MODE_SCREEN,
 365                                   "has-cursor", TRUE,
 366                                   "display", display,
 367                                   "device-manager", device_manager,
 368                                   NULL);
 369
 370   device->keyboard = g_object_new (GDK_TYPE_DEVICE_CORE,
 371                                    "name", "Core Keyboard",
 372                                    "type", GDK_DEVICE_TYPE_MASTER,
 373                                    "input-source", GDK_SOURCE_KEYBOARD,
 374                                    "input-mode", GDK_MODE_SCREEN,
 375                                    "has-cursor", FALSE,
 376                                    "display", display,
 377                                    "device-manager", device_manager,
 378                                    NULL);
 379
 380   GDK_DEVICE_CORE (device->pointer)->device = device;
 381   GDK_DEVICE_CORE (device->keyboard)->device = device;
 382   device->device = wl_device;
 383
 384   wl_input_device_add_listener(device->device,
 385                                &input_device_listener, device);
 386
 387   device_manager_core->devices =
 388     g_list_prepend (device_manager_core->devices, device->keyboard);
 389   device_manager_core->devices =
 390     g_list_prepend (device_manager_core->devices, device->pointer);
 391
 392   _gdk_device_set_associated_device (device->pointer, device->keyboard);
 393   _gdk_device_set_associated_device (device->keyboard, device->pointer);
 394 }
 395
 396 static void
 397 gdk_device_manager_core_init (GdkDeviceManagerCore *device_manager)
 398 {
 399 }
 400
 401 static void
 402 free_device (void *data, void *user_data)
 403 {
 404   g_object_unref (data);
 405 }
 406
 407 static void
 408 gdk_device_manager_core_finalize (GObject *object)
 409 {
 410   GdkDeviceManagerCore *device_manager_core;
 411
 412   device_manager_core = GDK_DEVICE_MANAGER_CORE (object);
 413
 414   g_list_foreach (device_manager_core->devices, free_device, NULL);
 415   g_list_free (device_manager_core->devices);
 416
 417   G_OBJECT_CLASS (gdk_device_manager_core_parent_class)->finalize (object);
 418 }
 419
 420 static GList *
 421 gdk_device_manager_core_list_devices (GdkDeviceManager *device_manager,
 422                                       GdkDeviceType     type)
 423 {
 424   GdkDeviceManagerCore *device_manager_core;
 425   GList *devices = NULL;
 426
 427   if (type == GDK_DEVICE_TYPE_MASTER)
 428     {
 429       device_manager_core = (GdkDeviceManagerCore *) device_manager;
 430       devices = g_list_copy(device_manager_core->devices);
 431     }
 432
 433   return devices;
 434 }
 435
 436 static GdkDevice *
 437 gdk_device_manager_core_get_client_pointer (GdkDeviceManager *device_manager)
 438 {
 439   GdkDeviceManagerCore *device_manager_core;
 440
 441   device_manager_core = (GdkDeviceManagerCore *) device_manager;
 442   return device_manager_core->devices->data;
 443 }
 444
 445 GdkDeviceManager *
 446 _gdk_device_manager_new (GdkDisplay *display)
 447 {
 448   return g_object_new (GDK_TYPE_DEVICE_MANAGER_CORE,
 449                        "display", display,
 450                        NULL);
 451 }