4 * An OpenGL based 'interactive canvas' library.
6 * Copyright © 2011 Intel Corp.
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
21 * Author: Emmanuele Bassi <ebassi@linux.intel.com>
28 #include "clutter-device-manager-xi2.h"
30 #include "clutter-backend-x11.h"
31 #include "clutter-input-device-xi2.h"
32 #include "clutter-stage-x11.h"
34 #include "clutter-backend.h"
35 #include "clutter-debug.h"
36 #include "clutter-device-manager-private.h"
37 #include "clutter-event-private.h"
38 #include "clutter-event-translator.h"
39 #include "clutter-stage-private.h"
40 #include "clutter-private.h"
42 #include <X11/extensions/XInput2.h>
53 static GParamSpec *obj_props[PROP_LAST] = { NULL, };
55 static const char *clutter_input_axis_atom_names[] = {
56 "Abs X", /* CLUTTER_INPUT_AXIS_X */
57 "Abs Y", /* CLUTTER_INPUT_AXIS_Y */
58 "Abs Pressure", /* CLUTTER_INPUT_AXIS_PRESSURE */
59 "Abs Tilt X", /* CLUTTER_INPUT_AXIS_XTILT */
60 "Abs Tilt Y", /* CLUTTER_INPUT_AXIS_YTILT */
61 "Abs Wheel", /* CLUTTER_INPUT_AXIS_WHEEL */
64 #define N_AXIS_ATOMS G_N_ELEMENTS (clutter_input_axis_atom_names)
66 static Atom clutter_input_axis_atoms[N_AXIS_ATOMS] = { 0, };
68 static void clutter_event_translator_iface_init (ClutterEventTranslatorIface *iface);
70 #define clutter_device_manager_xi2_get_type _clutter_device_manager_xi2_get_type
72 G_DEFINE_TYPE_WITH_CODE (ClutterDeviceManagerXI2,
73 clutter_device_manager_xi2,
74 CLUTTER_TYPE_DEVICE_MANAGER,
75 G_IMPLEMENT_INTERFACE (CLUTTER_TYPE_EVENT_TRANSLATOR,
76 clutter_event_translator_iface_init));
79 translate_valuator_class (Display *xdisplay,
80 ClutterInputDevice *device,
81 XIValuatorClassInfo *class)
83 static gboolean atoms_initialized = FALSE;
84 ClutterInputAxis i, axis = CLUTTER_INPUT_AXIS_IGNORE;
86 if (G_UNLIKELY (!atoms_initialized))
88 XInternAtoms (xdisplay,
89 (char **) clutter_input_axis_atom_names, N_AXIS_ATOMS,
91 clutter_input_axis_atoms);
93 atoms_initialized = TRUE;
96 for (i = CLUTTER_INPUT_AXIS_IGNORE;
97 i <= CLUTTER_INPUT_AXIS_WHEEL;
100 if (clutter_input_axis_atoms[i] == class->label)
107 _clutter_input_device_add_axis (device, axis,
112 CLUTTER_NOTE (BACKEND,
113 "Added axis '%s' (min:%.2f, max:%.2fd, res:%d) of device %d",
114 clutter_input_axis_atom_names[axis],
122 translate_device_classes (Display *xdisplay,
123 ClutterInputDevice *device,
124 XIAnyClassInfo **classes,
129 for (i = 0; i < n_classes; i++)
131 XIAnyClassInfo *class_info = classes[i];
133 switch (class_info->type)
137 XIKeyClassInfo *key_info = (XIKeyClassInfo *) class_info;
140 _clutter_input_device_set_n_keys (device,
141 key_info->num_keycodes);
143 for (j = 0; j < key_info->num_keycodes; j++)
145 clutter_input_device_set_key (device, j,
146 key_info->keycodes[i],
152 case XIValuatorClass:
153 translate_valuator_class (xdisplay, device,
154 (XIValuatorClassInfo *) class_info);
160 XIScrollClassInfo *scroll_info = (XIScrollClassInfo *) class_info;
161 ClutterScrollDirection direction;
163 if (scroll_info->scroll_type == XIScrollTypeVertical)
164 direction = CLUTTER_SCROLL_DOWN;
166 direction = CLUTTER_SCROLL_RIGHT;
168 CLUTTER_NOTE (BACKEND, "Scroll valuator %d: %s, increment: %f",
170 scroll_info->scroll_type == XIScrollTypeVertical
173 scroll_info->increment);
175 _clutter_input_device_add_scroll_info (device,
178 scroll_info->increment);
181 #endif /* XINPUT_2_2 */
190 is_touch_device (XIAnyClassInfo **classes,
192 ClutterInputDeviceType *device_type,
193 guint *n_touch_points)
198 for (i = 0; i < n_classes; i++)
200 XITouchClassInfo *class = (XITouchClassInfo *) classes[i];
202 if (class->type != XITouchClass)
205 if (class->num_touches > 0)
207 if (class->mode == XIDirectTouch)
208 *device_type = CLUTTER_TOUCHSCREEN_DEVICE;
209 else if (class->mode == XIDependentTouch)
210 *device_type = CLUTTER_TOUCHPAD_DEVICE;
214 *n_touch_points = class->num_touches;
224 static ClutterInputDevice *
225 create_device (ClutterDeviceManagerXI2 *manager_xi2,
226 ClutterBackendX11 *backend_x11,
229 ClutterInputDeviceType source, touch_source;
230 ClutterInputDevice *retval;
231 ClutterInputMode mode;
233 guint num_touches = 0;
235 if (info->use == XIMasterKeyboard || info->use == XISlaveKeyboard)
236 source = CLUTTER_KEYBOARD_DEVICE;
237 else if (info->use == XISlavePointer &&
238 is_touch_device (info->classes, info->num_classes,
242 source = touch_source;
248 name = g_ascii_strdown (info->name, -1);
250 if (strstr (name, "eraser") != NULL)
251 source = CLUTTER_ERASER_DEVICE;
252 else if (strstr (name, "cursor") != NULL)
253 source = CLUTTER_CURSOR_DEVICE;
254 else if (strstr (name, "finger") != NULL ||
255 (strstr (name, "touch") != NULL && strstr (name, "touchpad") == NULL))
256 source = CLUTTER_TOUCHSCREEN_DEVICE;
257 else if (strstr (name, "wacom") != NULL || strstr (name, "pen") != NULL)
258 source = CLUTTER_PEN_DEVICE;
260 source = CLUTTER_POINTER_DEVICE;
267 case XIMasterKeyboard:
268 case XIMasterPointer:
269 mode = CLUTTER_INPUT_MODE_MASTER;
273 case XISlaveKeyboard:
275 mode = CLUTTER_INPUT_MODE_SLAVE;
279 case XIFloatingSlave:
281 mode = CLUTTER_INPUT_MODE_FLOATING;
286 retval = g_object_new (CLUTTER_TYPE_INPUT_DEVICE_XI2,
288 "id", info->deviceid,
289 "has-cursor", (info->use == XIMasterPointer),
290 "device-manager", manager_xi2,
291 "device-type", source,
293 "backend", backend_x11,
294 "enabled", is_enabled,
297 translate_device_classes (backend_x11->xdpy, retval,
301 CLUTTER_NOTE (BACKEND, "Created device '%s' (id: %d, has-cursor: %s)",
304 info->use == XIMasterPointer ? "yes" : "no");
309 static ClutterInputDevice *
310 add_device (ClutterDeviceManagerXI2 *manager_xi2,
311 ClutterBackendX11 *backend_x11,
313 gboolean in_construction)
315 ClutterInputDevice *device;
317 device = create_device (manager_xi2, backend_x11, info);
319 /* we don't go through the DeviceManager::add_device() vfunc because
320 * that emits the signal, and we only do it conditionally
322 g_hash_table_replace (manager_xi2->devices_by_id,
323 GINT_TO_POINTER (info->deviceid),
324 g_object_ref (device));
326 if (info->use == XIMasterPointer ||
327 info->use == XIMasterKeyboard)
329 manager_xi2->master_devices =
330 g_list_prepend (manager_xi2->master_devices, device);
332 else if (info->use == XISlavePointer ||
333 info->use == XISlaveKeyboard ||
334 info->use == XIFloatingSlave)
336 manager_xi2->slave_devices =
337 g_list_prepend (manager_xi2->slave_devices, device);
340 g_warning ("Unhandled device: %s",
341 clutter_input_device_get_device_name (device));
343 /* relationships between devices and signal emissions are not
344 * necessary while we're constructing the device manager instance
346 if (!in_construction)
348 if (info->use == XISlavePointer || info->use == XISlaveKeyboard)
350 ClutterInputDevice *master;
352 master = g_hash_table_lookup (manager_xi2->devices_by_id,
353 GINT_TO_POINTER (info->attachment));
354 _clutter_input_device_set_associated_device (device, master);
355 _clutter_input_device_add_slave (master, device);
359 g_slist_free (manager_xi2->all_devices);
360 manager_xi2->all_devices = NULL;
362 g_signal_emit_by_name (manager_xi2, "device-added", device);
369 remove_device (ClutterDeviceManagerXI2 *manager_xi2,
372 ClutterInputDevice *device;
374 device = g_hash_table_lookup (manager_xi2->devices_by_id,
375 GINT_TO_POINTER (device_id));
379 manager_xi2->master_devices =
380 g_list_remove (manager_xi2->master_devices, device);
381 manager_xi2->slave_devices =
382 g_list_remove (manager_xi2->slave_devices, device);
385 g_slist_free (manager_xi2->all_devices);
386 manager_xi2->all_devices = NULL;
388 g_signal_emit_by_name (manager_xi2, "device-removed", device);
390 g_object_run_dispose (G_OBJECT (device));
392 g_hash_table_remove (manager_xi2->devices_by_id,
393 GINT_TO_POINTER (device_id));
398 translate_hierarchy_event (ClutterBackendX11 *backend_x11,
399 ClutterDeviceManagerXI2 *manager_xi2,
400 XIHierarchyEvent *ev)
404 for (i = 0; i < ev->num_info; i++)
406 if (ev->info[i].flags & XIDeviceEnabled)
411 CLUTTER_NOTE (EVENT, "Hierarchy event: device enabled");
413 info = XIQueryDevice (backend_x11->xdpy,
414 ev->info[i].deviceid,
416 add_device (manager_xi2, backend_x11, &info[0], FALSE);
418 else if (ev->info[i].flags & XIDeviceDisabled)
420 CLUTTER_NOTE (EVENT, "Hierarchy event: device disabled");
422 remove_device (manager_xi2, ev->info[i].deviceid);
424 else if ((ev->info[i].flags & XISlaveAttached) ||
425 (ev->info[i].flags & XISlaveDetached))
427 ClutterInputDevice *master, *slave;
431 CLUTTER_NOTE (EVENT, "Hierarchy event: slave %s",
432 (ev->info[i].flags & XISlaveAttached)
436 slave = g_hash_table_lookup (manager_xi2->devices_by_id,
437 GINT_TO_POINTER (ev->info[i].deviceid));
438 master = clutter_input_device_get_associated_device (slave);
440 /* detach the slave in both cases */
443 _clutter_input_device_remove_slave (master, slave);
444 _clutter_input_device_set_associated_device (slave, NULL);
447 /* and attach the slave to the new master if needed */
448 if (ev->info[i].flags & XISlaveAttached)
450 info = XIQueryDevice (backend_x11->xdpy,
451 ev->info[i].deviceid,
453 master = g_hash_table_lookup (manager_xi2->devices_by_id,
454 GINT_TO_POINTER (info->attachment));
455 _clutter_input_device_set_associated_device (slave, master);
456 _clutter_input_device_add_slave (master, slave);
458 XIFreeDeviceInfo (info);
465 clutter_device_manager_xi2_select_events (ClutterDeviceManager *manager,
467 XIEventMask *event_mask)
471 xdisplay = clutter_x11_get_default_display ();
473 XISelectEvents (xdisplay, xwindow, event_mask, 1);
476 static ClutterStage *
477 get_event_stage (ClutterEventTranslator *translator,
480 Window xwindow = None;
482 switch (xi_event->evtype)
487 case XI_ButtonRelease:
493 #endif /* XINPUT_2_2 */
495 XIDeviceEvent *xev = (XIDeviceEvent *) xi_event;
497 xwindow = xev->event;
506 XIEnterEvent *xev = (XIEnterEvent *) xi_event;
508 xwindow = xev->event;
519 return clutter_x11_get_stage_from_window (xwindow);
523 * print_key_sym: Translate a symbol to its printable form if any
524 * @symbol: the symbol to translate
525 * @buffer: the buffer where to put the translated string
526 * @len: size of the buffer
528 * Translates @symbol into a printable representation in @buffer, if possible.
530 * Return value: The number of bytes of the translated string, 0 if the
531 * symbol can't be printed
533 * Note: The code is derived from libX11's src/KeyBind.c
534 * Copyright 1985, 1987, 1998 The Open Group
536 * Note: This code works for Latin-1 symbols. clutter_keysym_to_unicode()
537 * does the work for the other keysyms.
540 print_keysym (uint32_t symbol,
544 unsigned long high_bytes;
547 high_bytes = symbol >> 8;
549 ((high_bytes == 0) ||
550 ((high_bytes == 0xFF) &&
551 (((symbol >= CLUTTER_KEY_BackSpace) &&
552 (symbol <= CLUTTER_KEY_Clear)) ||
553 (symbol == CLUTTER_KEY_Return) ||
554 (symbol == CLUTTER_KEY_Escape) ||
555 (symbol == CLUTTER_KEY_KP_Space) ||
556 (symbol == CLUTTER_KEY_KP_Tab) ||
557 (symbol == CLUTTER_KEY_KP_Enter) ||
558 ((symbol >= CLUTTER_KEY_KP_Multiply) &&
559 (symbol <= CLUTTER_KEY_KP_9)) ||
560 (symbol == CLUTTER_KEY_KP_Equal) ||
561 (symbol == CLUTTER_KEY_Delete))))))
564 /* if X keysym, convert to ascii by grabbing low 7 bits */
565 if (symbol == CLUTTER_KEY_KP_Space)
566 c = CLUTTER_KEY_space & 0x7F; /* patch encoding botch */
567 else if (high_bytes == 0xFF)
577 translate_axes (ClutterInputDevice *device,
580 ClutterStageX11 *stage_x11,
581 XIValuatorState *valuators)
583 guint n_axes = clutter_input_device_get_n_axes (device);
588 retval = g_new0 (gdouble, n_axes);
589 values = valuators->values;
591 for (i = 0; i < valuators->mask_len * 8; i++)
593 ClutterInputAxis axis;
596 if (!XIMaskIsSet (valuators->mask, i))
599 axis = clutter_input_device_get_axis (device, i);
604 case CLUTTER_INPUT_AXIS_X:
608 case CLUTTER_INPUT_AXIS_Y:
613 _clutter_input_device_translate_axis (device, i, val, &retval[i]);
622 scroll_valuators_changed (ClutterInputDevice *device,
623 XIValuatorState *valuators,
627 gboolean retval = FALSE;
628 guint n_axes, n_val, i;
631 n_axes = clutter_input_device_get_n_axes (device);
632 values = valuators->values;
638 for (i = 0; i < MIN (valuators->mask_len * 8, n_axes); i++)
640 ClutterScrollDirection direction;
643 if (!XIMaskIsSet (valuators->mask, i))
646 if (_clutter_input_device_get_scroll_delta (device, i,
653 if (direction == CLUTTER_SCROLL_UP ||
654 direction == CLUTTER_SCROLL_DOWN)
666 static ClutterTranslateReturn
667 clutter_device_manager_xi2_translate_event (ClutterEventTranslator *translator,
671 ClutterDeviceManagerXI2 *manager_xi2 = CLUTTER_DEVICE_MANAGER_XI2 (translator);
672 ClutterTranslateReturn retval = CLUTTER_TRANSLATE_CONTINUE;
673 ClutterBackendX11 *backend_x11;
674 ClutterStageX11 *stage_x11 = NULL;
675 ClutterStage *stage = NULL;
676 ClutterInputDevice *device, *source_device;
677 XGenericEventCookie *cookie;
681 backend_x11 = CLUTTER_BACKEND_X11 (clutter_get_default_backend ());
685 cookie = &xevent->xcookie;
687 if (cookie->type != GenericEvent ||
688 cookie->extension != manager_xi2->opcode)
689 return CLUTTER_TRANSLATE_CONTINUE;
691 xi_event = (XIEvent *) cookie->data;
694 return CLUTTER_TRANSLATE_REMOVE;
696 if (!(xi_event->evtype == XI_HierarchyChanged ||
697 xi_event->evtype == XI_DeviceChanged))
699 stage = get_event_stage (translator, xi_event);
700 if (stage == NULL || CLUTTER_ACTOR_IN_DESTRUCTION (stage))
701 return CLUTTER_TRANSLATE_CONTINUE;
703 stage_x11 = CLUTTER_STAGE_X11 (_clutter_stage_get_window (stage));
706 event->any.stage = stage;
708 switch (xi_event->evtype)
710 case XI_HierarchyChanged:
712 XIHierarchyEvent *xev = (XIHierarchyEvent *) xi_event;
714 translate_hierarchy_event (backend_x11, manager_xi2, xev);
716 retval = CLUTTER_TRANSLATE_REMOVE;
719 case XI_DeviceChanged:
721 XIDeviceChangedEvent *xev = (XIDeviceChangedEvent *) xi_event;
723 device = g_hash_table_lookup (manager_xi2->devices_by_id,
724 GINT_TO_POINTER (xev->deviceid));
725 _clutter_input_device_reset_axes (device);
726 _clutter_input_device_reset_scroll_info (device);
727 translate_device_classes (backend_x11->xdpy,
732 retval = CLUTTER_TRANSLATE_REMOVE;
738 XIDeviceEvent *xev = (XIDeviceEvent *) xi_event;
739 ClutterEventX11 *event_x11;
740 char buffer[7] = { 0, };
743 event->key.type = event->type = (xev->evtype == XI_KeyPress)
745 : CLUTTER_KEY_RELEASE;
747 event->key.time = xev->time;
748 event->key.stage = stage;
749 event->key.modifier_state =
750 _clutter_input_device_xi2_translate_state (&xev->mods, &xev->buttons);
751 event->key.hardware_keycode = xev->detail;
753 /* keyval is the key ignoring all modifiers ('1' vs. '!') */
755 _clutter_keymap_x11_translate_key_state (backend_x11->keymap,
756 event->key.hardware_keycode,
757 event->key.modifier_state,
760 /* KeyEvents have platform specific data associated to them */
761 event_x11 = _clutter_event_x11_new ();
762 _clutter_event_set_platform_data (event, event_x11);
764 event_x11->key_group =
765 _clutter_keymap_x11_get_key_group (backend_x11->keymap,
766 event->key.modifier_state);
767 event_x11->key_is_modifier =
768 _clutter_keymap_x11_get_is_modifier (backend_x11->keymap,
769 event->key.hardware_keycode);
770 event_x11->num_lock_set =
771 _clutter_keymap_x11_get_num_lock_state (backend_x11->keymap);
772 event_x11->caps_lock_set =
773 _clutter_keymap_x11_get_caps_lock_state (backend_x11->keymap);
775 source_device = g_hash_table_lookup (manager_xi2->devices_by_id,
776 GINT_TO_POINTER (xev->sourceid));
777 clutter_event_set_source_device (event, source_device);
779 device = g_hash_table_lookup (manager_xi2->devices_by_id,
780 GINT_TO_POINTER (xev->deviceid));
781 clutter_event_set_device (event, device);
783 /* XXX keep this in sync with the evdev device manager */
784 n = print_keysym (event->key.keyval, buffer, sizeof (buffer));
788 event->key.unicode_value = (gunichar) '\0';
792 event->key.unicode_value = g_utf8_get_char_validated (buffer, n);
793 if (event->key.unicode_value == -1 ||
794 event->key.unicode_value == -2)
795 event->key.unicode_value = (gunichar) '\0';
799 "%s: win:0x%x device:%d source:%d, key: %12s (%d)",
800 event->any.type == CLUTTER_KEY_PRESS
803 (unsigned int) stage_x11->xwin,
806 event->key.keyval ? buffer : "(none)",
809 if (xi_event->evtype == XI_KeyPress)
810 _clutter_stage_x11_set_user_time (stage_x11, event->key.time);
812 retval = CLUTTER_TRANSLATE_QUEUE;
817 case XI_ButtonRelease:
819 XIDeviceEvent *xev = (XIDeviceEvent *) xi_event;
827 event->scroll.type = event->type = CLUTTER_SCROLL;
829 if (xev->detail == 4)
830 event->scroll.direction = CLUTTER_SCROLL_UP;
831 else if (xev->detail == 5)
832 event->scroll.direction = CLUTTER_SCROLL_DOWN;
833 else if (xev->detail == 6)
834 event->scroll.direction = CLUTTER_SCROLL_LEFT;
836 event->scroll.direction = CLUTTER_SCROLL_RIGHT;
838 event->scroll.stage = stage;
840 event->scroll.time = xev->time;
841 event->scroll.x = xev->event_x;
842 event->scroll.y = xev->event_y;
843 event->scroll.modifier_state =
844 _clutter_input_device_xi2_translate_state (&xev->mods,
847 source_device = g_hash_table_lookup (manager_xi2->devices_by_id,
848 GINT_TO_POINTER (xev->sourceid));
849 clutter_event_set_source_device (event, source_device);
851 device = g_hash_table_lookup (manager_xi2->devices_by_id,
852 GINT_TO_POINTER (xev->deviceid));
853 clutter_event_set_device (event, device);
855 event->scroll.axes = translate_axes (event->scroll.device,
862 if (xev->flags & XIPointerEmulated)
863 _clutter_event_set_pointer_emulated (event, TRUE);
864 #endif /* XINPUT_2_2 */
868 event->button.type = event->type =
869 (xi_event->evtype == XI_ButtonPress) ? CLUTTER_BUTTON_PRESS
870 : CLUTTER_BUTTON_RELEASE;
872 event->button.stage = stage;
874 event->button.time = xev->time;
875 event->button.x = xev->event_x;
876 event->button.y = xev->event_y;
877 event->button.button = xev->detail;
878 event->button.modifier_state =
879 _clutter_input_device_xi2_translate_state (&xev->mods,
882 source_device = g_hash_table_lookup (manager_xi2->devices_by_id,
883 GINT_TO_POINTER (xev->sourceid));
884 clutter_event_set_source_device (event, source_device);
886 device = g_hash_table_lookup (manager_xi2->devices_by_id,
887 GINT_TO_POINTER (xev->deviceid));
888 clutter_event_set_device (event, device);
890 event->button.axes = translate_axes (event->button.device,
898 if (source_device != NULL && device->stage != NULL)
899 _clutter_input_device_set_stage (source_device, device->stage);
902 "%s: win:0x%x, device:%s (button:%d, x:%.2f, y:%.2f, axes:%s)",
903 event->any.type == CLUTTER_BUTTON_PRESS
906 (unsigned int) stage_x11->xwin,
907 event->button.device->device_name,
908 event->button.button,
911 event->button.axes != NULL ? "yes" : "no");
914 if (xev->flags & XIPointerEmulated)
915 _clutter_event_set_pointer_emulated (event, TRUE);
916 #endif /* XINPUT_2_2 */
918 if (xi_event->evtype == XI_ButtonPress)
919 _clutter_stage_x11_set_user_time (stage_x11, event->button.time);
921 retval = CLUTTER_TRANSLATE_QUEUE;
927 XIDeviceEvent *xev = (XIDeviceEvent *) xi_event;
928 gdouble delta_x, delta_y;
930 source_device = g_hash_table_lookup (manager_xi2->devices_by_id,
931 GINT_TO_POINTER (xev->sourceid));
933 if (scroll_valuators_changed (source_device,
937 event->scroll.type = event->type = CLUTTER_SCROLL;
938 event->scroll.direction = CLUTTER_SCROLL_SMOOTH;
940 event->scroll.stage = stage;
941 event->scroll.time = xev->time;
942 event->scroll.x = xev->event_x;
943 event->scroll.y = xev->event_y;
944 event->scroll.modifier_state =
945 _clutter_input_device_xi2_translate_state (&xev->mods,
948 clutter_event_set_scroll_delta (event, delta_x, delta_y);
949 clutter_event_set_source_device (event, source_device);
951 device = g_hash_table_lookup (manager_xi2->devices_by_id,
952 GINT_TO_POINTER (xev->deviceid));
953 clutter_event_set_device (event, device);
956 "smooth scroll: win:0x%x device:%s (x:%.2f, y:%.2f, delta:%f, %f)",
957 (unsigned int) stage_x11->xwin,
958 event->scroll.device->device_name,
963 retval = CLUTTER_TRANSLATE_QUEUE;
967 event->motion.type = event->type = CLUTTER_MOTION;
969 event->motion.stage = stage;
971 event->motion.time = xev->time;
972 event->motion.x = xev->event_x;
973 event->motion.y = xev->event_y;
974 event->motion.modifier_state =
975 _clutter_input_device_xi2_translate_state (&xev->mods,
978 clutter_event_set_source_device (event, source_device);
980 device = g_hash_table_lookup (manager_xi2->devices_by_id,
981 GINT_TO_POINTER (xev->deviceid));
982 clutter_event_set_device (event, device);
984 event->motion.axes = translate_axes (event->motion.device,
990 if (source_device != NULL && device->stage != NULL)
991 _clutter_input_device_set_stage (source_device, device->stage);
994 if (xev->flags & XIPointerEmulated)
995 _clutter_event_set_pointer_emulated (event, TRUE);
996 #endif /* XINPUT_2_2 */
998 CLUTTER_NOTE (EVENT, "motion: win:0x%x device:%s (x:%.2f, y:%.2f, axes:%s)",
999 (unsigned int) stage_x11->xwin,
1000 event->motion.device->device_name,
1003 event->motion.axes != NULL ? "yes" : "no");
1005 retval = CLUTTER_TRANSLATE_QUEUE;
1013 XIDeviceEvent *xev = (XIDeviceEvent *) xi_event;
1015 source_device = g_hash_table_lookup (manager_xi2->devices_by_id,
1016 GINT_TO_POINTER (xev->sourceid));
1018 if (xi_event->evtype == XI_TouchBegin)
1019 event->touch.type = event->type = CLUTTER_TOUCH_BEGIN;
1021 event->touch.type = event->type = CLUTTER_TOUCH_END;
1023 event->touch.stage = stage;
1024 event->touch.time = xev->time;
1025 event->touch.x = xev->event_x;
1026 event->touch.y = xev->event_y;
1027 event->touch.modifier_state =
1028 _clutter_input_device_xi2_translate_state (&xev->mods,
1031 clutter_event_set_source_device (event, source_device);
1033 device = g_hash_table_lookup (manager_xi2->devices_by_id,
1034 GINT_TO_POINTER (xev->deviceid));
1035 clutter_event_set_device (event, device);
1037 event->touch.axes = translate_axes (event->motion.device,
1043 if (source_device != NULL && device->stage != NULL)
1044 _clutter_input_device_set_stage (source_device, device->stage);
1046 if (xi_event->evtype == XI_TouchBegin)
1048 event->touch.modifier_state |= CLUTTER_BUTTON1_MASK;
1050 _clutter_stage_x11_set_user_time (stage_x11, event->touch.time);
1053 event->touch.sequence = GUINT_TO_POINTER (xev->detail);
1055 if (xev->flags & XITouchEmulatingPointer)
1056 _clutter_event_set_pointer_emulated (event, TRUE);
1058 CLUTTER_NOTE (EVENT, "touch %s: win:0x%x device:%s (x:%.2f, y:%.2f, axes:%s)",
1059 event->type == CLUTTER_TOUCH_BEGIN ? "begin" : "end",
1060 (unsigned int) stage_x11->xwin,
1061 event->touch.device->device_name,
1064 event->touch.axes != NULL ? "yes" : "no");
1066 retval = CLUTTER_TRANSLATE_QUEUE;
1070 case XI_TouchUpdate:
1072 XIDeviceEvent *xev = (XIDeviceEvent *) xi_event;
1074 source_device = g_hash_table_lookup (manager_xi2->devices_by_id,
1075 GINT_TO_POINTER (xev->sourceid));
1077 event->touch.type = event->type = CLUTTER_TOUCH_UPDATE;
1078 event->touch.stage = stage;
1079 event->touch.time = xev->time;
1080 event->touch.sequence = GUINT_TO_POINTER (xev->detail);
1081 event->touch.x = xev->event_x;
1082 event->touch.y = xev->event_y;
1084 clutter_event_set_source_device (event, source_device);
1086 device = g_hash_table_lookup (manager_xi2->devices_by_id,
1087 GINT_TO_POINTER (xev->deviceid));
1088 clutter_event_set_device (event, device);
1090 event->touch.axes = translate_axes (event->motion.device,
1096 if (source_device != NULL && device->stage != NULL)
1097 _clutter_input_device_set_stage (source_device, device->stage);
1099 event->touch.modifier_state =
1100 _clutter_input_device_xi2_translate_state (&xev->mods,
1102 event->touch.modifier_state |= CLUTTER_BUTTON1_MASK;
1104 if (xev->flags & XITouchEmulatingPointer)
1105 _clutter_event_set_pointer_emulated (event, TRUE);
1107 CLUTTER_NOTE (EVENT, "touch update: win:0x%x device:%s (x:%.2f, y:%.2f, axes:%s)",
1108 (unsigned int) stage_x11->xwin,
1109 event->touch.device->device_name,
1112 event->touch.axes != NULL ? "yes" : "no");
1114 retval = CLUTTER_TRANSLATE_QUEUE;
1117 #endif /* XINPUT_2_2 */
1122 XIEnterEvent *xev = (XIEnterEvent *) xi_event;
1124 device = g_hash_table_lookup (manager_xi2->devices_by_id,
1125 GINT_TO_POINTER (xev->deviceid));
1127 source_device = g_hash_table_lookup (manager_xi2->devices_by_id,
1128 GINT_TO_POINTER (xev->sourceid));
1130 if (xi_event->evtype == XI_Enter)
1132 event->crossing.type = event->type = CLUTTER_ENTER;
1134 event->crossing.stage = stage;
1135 event->crossing.source = CLUTTER_ACTOR (stage);
1136 event->crossing.related = NULL;
1138 event->crossing.time = xev->time;
1139 event->crossing.x = xev->event_x;
1140 event->crossing.y = xev->event_y;
1142 _clutter_stage_add_device (stage, device);
1146 if (device->stage == NULL)
1148 CLUTTER_NOTE (EVENT,
1149 "Discarding Leave for ButtonRelease "
1152 retval = CLUTTER_TRANSLATE_REMOVE;
1156 event->crossing.type = event->type = CLUTTER_LEAVE;
1158 event->crossing.stage = stage;
1159 event->crossing.source = CLUTTER_ACTOR (stage);
1160 event->crossing.related = NULL;
1162 event->crossing.time = xev->time;
1163 event->crossing.x = xev->event_x;
1164 event->crossing.y = xev->event_y;
1166 _clutter_stage_remove_device (stage, device);
1169 _clutter_input_device_reset_scroll_info (source_device);
1171 clutter_event_set_device (event, device);
1172 clutter_event_set_source_device (event, source_device);
1174 retval = CLUTTER_TRANSLATE_QUEUE;
1180 retval = CLUTTER_TRANSLATE_CONTINUE;
1188 clutter_event_translator_iface_init (ClutterEventTranslatorIface *iface)
1190 iface->translate_event = clutter_device_manager_xi2_translate_event;
1194 clutter_device_manager_xi2_add_device (ClutterDeviceManager *manager,
1195 ClutterInputDevice *device)
1201 clutter_device_manager_xi2_remove_device (ClutterDeviceManager *manager,
1202 ClutterInputDevice *device)
1207 static const GSList *
1208 clutter_device_manager_xi2_get_devices (ClutterDeviceManager *manager)
1210 ClutterDeviceManagerXI2 *manager_xi2 = CLUTTER_DEVICE_MANAGER_XI2 (manager);
1211 GSList *all_devices = NULL;
1214 if (manager_xi2->all_devices != NULL)
1215 return manager_xi2->all_devices;
1217 for (l = manager_xi2->master_devices; l != NULL; l = l->next)
1218 all_devices = g_slist_prepend (all_devices, l->data);
1220 for (l = manager_xi2->slave_devices; l != NULL; l = l->next)
1221 all_devices = g_slist_prepend (all_devices, l->data);
1223 manager_xi2->all_devices = g_slist_reverse (all_devices);
1225 return manager_xi2->all_devices;
1228 static ClutterInputDevice *
1229 clutter_device_manager_xi2_get_device (ClutterDeviceManager *manager,
1232 ClutterDeviceManagerXI2 *manager_xi2 = CLUTTER_DEVICE_MANAGER_XI2 (manager);
1234 return g_hash_table_lookup (manager_xi2->devices_by_id,
1235 GINT_TO_POINTER (id));
1238 static ClutterInputDevice *
1239 clutter_device_manager_xi2_get_core_device (ClutterDeviceManager *manager,
1240 ClutterInputDeviceType device_type)
1242 ClutterDeviceManagerXI2 *manager_xi2 = CLUTTER_DEVICE_MANAGER_XI2 (manager);
1243 ClutterBackendX11 *backend_x11;
1244 ClutterInputDevice *device;
1248 CLUTTER_BACKEND_X11 (_clutter_device_manager_get_backend (manager));
1250 XIGetClientPointer (backend_x11->xdpy, None, &device_id);
1252 device = g_hash_table_lookup (manager_xi2->devices_by_id,
1253 GINT_TO_POINTER (device_id));
1255 switch (device_type)
1257 case CLUTTER_POINTER_DEVICE:
1260 case CLUTTER_KEYBOARD_DEVICE:
1261 return clutter_input_device_get_associated_device (device);
1271 relate_masters (gpointer key,
1275 ClutterDeviceManagerXI2 *manager_xi2 = data;
1276 ClutterInputDevice *device, *relative;
1278 device = g_hash_table_lookup (manager_xi2->devices_by_id, key);
1279 relative = g_hash_table_lookup (manager_xi2->devices_by_id, value);
1281 _clutter_input_device_set_associated_device (device, relative);
1282 _clutter_input_device_set_associated_device (relative, device);
1286 relate_slaves (gpointer key,
1290 ClutterDeviceManagerXI2 *manager_xi2 = data;
1291 ClutterInputDevice *master, *slave;
1293 master = g_hash_table_lookup (manager_xi2->devices_by_id, key);
1294 slave = g_hash_table_lookup (manager_xi2->devices_by_id, value);
1296 _clutter_input_device_set_associated_device (slave, master);
1297 _clutter_input_device_add_slave (master, slave);
1301 clutter_device_manager_xi2_constructed (GObject *gobject)
1303 ClutterDeviceManagerXI2 *manager_xi2 = CLUTTER_DEVICE_MANAGER_XI2 (gobject);
1304 ClutterDeviceManager *manager = CLUTTER_DEVICE_MANAGER (gobject);
1305 ClutterBackendX11 *backend_x11;
1306 GHashTable *masters, *slaves;
1308 XIEventMask event_mask;
1309 unsigned char mask[2] = { 0, };
1313 CLUTTER_BACKEND_X11 (_clutter_device_manager_get_backend (manager));
1315 masters = g_hash_table_new (NULL, NULL);
1316 slaves = g_hash_table_new (NULL, NULL);
1318 info = XIQueryDevice (backend_x11->xdpy, XIAllDevices, &n_devices);
1320 for (i = 0; i < n_devices; i++)
1322 XIDeviceInfo *xi_device = &info[i];
1324 add_device (manager_xi2, backend_x11, xi_device, TRUE);
1326 if (xi_device->use == XIMasterPointer ||
1327 xi_device->use == XIMasterKeyboard)
1329 g_hash_table_insert (masters,
1330 GINT_TO_POINTER (xi_device->deviceid),
1331 GINT_TO_POINTER (xi_device->attachment));
1333 else if (xi_device->use == XISlavePointer ||
1334 xi_device->use == XISlaveKeyboard)
1336 g_hash_table_insert (slaves,
1337 GINT_TO_POINTER (xi_device->deviceid),
1338 GINT_TO_POINTER (xi_device->attachment));
1342 XIFreeDeviceInfo (info);
1344 g_hash_table_foreach (masters, relate_masters, manager_xi2);
1345 g_hash_table_destroy (masters);
1347 g_hash_table_foreach (slaves, relate_slaves, manager_xi2);
1348 g_hash_table_destroy (slaves);
1350 XISetMask (mask, XI_HierarchyChanged);
1351 XISetMask (mask, XI_DeviceChanged);
1353 event_mask.deviceid = XIAllDevices;
1354 event_mask.mask_len = sizeof (mask);
1355 event_mask.mask = mask;
1357 clutter_device_manager_xi2_select_events (manager,
1358 clutter_x11_get_root_window (),
1361 if (G_OBJECT_CLASS (clutter_device_manager_xi2_parent_class)->constructed)
1362 G_OBJECT_CLASS (clutter_device_manager_xi2_parent_class)->constructed (gobject);
1366 clutter_device_manager_xi2_set_property (GObject *gobject,
1368 const GValue *value,
1371 ClutterDeviceManagerXI2 *manager_xi2 = CLUTTER_DEVICE_MANAGER_XI2 (gobject);
1376 manager_xi2->opcode = g_value_get_int (value);
1380 G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
1386 clutter_device_manager_xi2_class_init (ClutterDeviceManagerXI2Class *klass)
1388 ClutterDeviceManagerClass *manager_class;
1389 GObjectClass *gobject_class;
1391 obj_props[PROP_OPCODE] =
1392 g_param_spec_int ("opcode",
1397 CLUTTER_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY);
1399 gobject_class = G_OBJECT_CLASS (klass);
1400 gobject_class->constructed = clutter_device_manager_xi2_constructed;
1401 gobject_class->set_property = clutter_device_manager_xi2_set_property;
1403 g_object_class_install_properties (gobject_class, PROP_LAST, obj_props);
1405 manager_class = CLUTTER_DEVICE_MANAGER_CLASS (klass);
1406 manager_class->add_device = clutter_device_manager_xi2_add_device;
1407 manager_class->remove_device = clutter_device_manager_xi2_remove_device;
1408 manager_class->get_devices = clutter_device_manager_xi2_get_devices;
1409 manager_class->get_core_device = clutter_device_manager_xi2_get_core_device;
1410 manager_class->get_device = clutter_device_manager_xi2_get_device;
1414 clutter_device_manager_xi2_init (ClutterDeviceManagerXI2 *self)
1416 self->devices_by_id = g_hash_table_new_full (NULL, NULL,
1418 (GDestroyNotify) g_object_unref);