1058 lines
33 KiB
C
1058 lines
33 KiB
C
/*
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* Clutter.
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*
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* An OpenGL based 'interactive canvas' library.
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*
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* Copyright © 2011 Intel Corp.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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* Author: Emmanuele Bassi <ebassi@linux.intel.com>
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*/
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#include "config.h"
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#include "clutter-device-manager-xi2.h"
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#include "clutter-backend-x11.h"
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#include "clutter-input-device-xi2.h"
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#include "clutter-stage-x11.h"
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#include "clutter-backend.h"
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#include "clutter-debug.h"
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#include "clutter-device-manager-private.h"
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#include "clutter-event-translator.h"
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#include "clutter-stage-private.h"
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#include "clutter-private.h"
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#include <X11/extensions/XInput2.h>
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enum
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{
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PROP_0,
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PROP_OPCODE,
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PROP_LAST
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};
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static GParamSpec *obj_props[PROP_LAST] = { NULL, };
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static const char *clutter_input_axis_atom_names[] = {
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"Abs X", /* CLUTTER_INPUT_AXIS_X */
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"Abs Y", /* CLUTTER_INPUT_AXIS_Y */
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"Abs Pressure", /* CLUTTER_INPUT_AXIS_PRESSURE */
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"Abs Tilt X", /* CLUTTER_INPUT_AXIS_XTILT */
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"Abs Tilt Y", /* CLUTTER_INPUT_AXIS_YTILT */
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"Abs Wheel", /* CLUTTER_INPUT_AXIS_WHEEL */
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};
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#define N_AXIS_ATOMS G_N_ELEMENTS (clutter_input_axis_atom_names)
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static Atom clutter_input_axis_atoms[N_AXIS_ATOMS] = { 0, };
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static void clutter_event_translator_iface_init (ClutterEventTranslatorIface *iface);
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#define clutter_device_manager_xi2_get_type _clutter_device_manager_xi2_get_type
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G_DEFINE_TYPE_WITH_CODE (ClutterDeviceManagerXI2,
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clutter_device_manager_xi2,
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CLUTTER_TYPE_DEVICE_MANAGER,
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G_IMPLEMENT_INTERFACE (CLUTTER_TYPE_EVENT_TRANSLATOR,
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clutter_event_translator_iface_init));
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static void
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translate_valuator_class (Display *xdisplay,
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ClutterInputDevice *device,
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XIValuatorClassInfo *class)
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{
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static gboolean atoms_initialized = FALSE;
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ClutterInputAxis axis, i;
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if (G_UNLIKELY (!atoms_initialized))
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{
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XInternAtoms (xdisplay,
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(char **) clutter_input_axis_atom_names, N_AXIS_ATOMS,
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False,
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clutter_input_axis_atoms);
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atoms_initialized = TRUE;
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}
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for (i = CLUTTER_INPUT_AXIS_IGNORE;
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i <= CLUTTER_INPUT_AXIS_WHEEL;
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i += 1)
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{
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if (clutter_input_axis_atoms[i] == class->label)
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{
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axis = i;
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break;
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}
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}
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_clutter_input_device_add_axis (device, axis,
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class->min,
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class->max,
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class->resolution);
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}
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static void
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translate_device_classes (Display *xdisplay,
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ClutterInputDevice *device,
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XIAnyClassInfo **classes,
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guint n_classes)
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{
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gint i;
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for (i = 0; i < n_classes; i++)
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{
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XIAnyClassInfo *class_info = classes[i];
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switch (class_info->type)
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{
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case XIKeyClass:
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{
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XIKeyClassInfo *key_info = (XIKeyClassInfo *) class_info;
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gint j;
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_clutter_input_device_set_keys (device,
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key_info->num_keycodes,
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0,
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G_MAXUINT);
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for (j = 0; j < key_info->num_keycodes; j++)
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{
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clutter_input_device_set_key (device, j,
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key_info->keycodes[i],
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0);
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}
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}
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break;
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case XIValuatorClass:
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translate_valuator_class (xdisplay, device,
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(XIValuatorClassInfo *) class_info);
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break;
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default:
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break;
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}
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}
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}
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static ClutterInputDevice *
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create_device (ClutterDeviceManagerXI2 *manager_xi2,
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ClutterBackendX11 *backend_x11,
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XIDeviceInfo *info)
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{
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ClutterInputDeviceType source;
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ClutterInputDevice *retval;
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ClutterInputMode mode;
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if (info->use == XIMasterKeyboard || info->use == XISlaveKeyboard)
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source = CLUTTER_KEYBOARD_DEVICE;
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else
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{
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gchar *name;
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name = g_ascii_strdown (info->name, -1);
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if (strstr (name, "eraser") != NULL)
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source = CLUTTER_ERASER_DEVICE;
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else if (strstr (name, "cursor") != NULL)
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source = CLUTTER_CURSOR_DEVICE;
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else if (strstr (name, "wacom") != NULL || strstr (name, "pen") != NULL)
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source = CLUTTER_PEN_DEVICE;
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else
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source = CLUTTER_POINTER_DEVICE;
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g_free (name);
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}
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switch (info->use)
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{
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case XIMasterKeyboard:
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case XIMasterPointer:
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mode = CLUTTER_INPUT_MODE_MASTER;
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break;
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case XISlaveKeyboard:
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case XISlavePointer:
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mode = CLUTTER_INPUT_MODE_SLAVE;
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break;
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case XIFloatingSlave:
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default:
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mode = CLUTTER_INPUT_MODE_FLOATING;
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break;
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}
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retval = g_object_new (CLUTTER_TYPE_INPUT_DEVICE_XI2,
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"name", info->name,
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"id", info->deviceid,
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"has-cursor", (info->use == XIMasterPointer),
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"device-manager", manager_xi2,
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"device-type", source,
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"device-mode", mode,
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"backend", backend_x11,
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NULL);
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translate_device_classes (backend_x11->xdpy, retval,
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info->classes,
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info->num_classes);
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CLUTTER_NOTE (BACKEND, "Created device '%s' (id: %d, has-cursor: %s)",
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info->name,
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info->deviceid,
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info->use == XIMasterPointer ? "yes" : "no");
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return retval;
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}
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static ClutterInputDevice *
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add_device (ClutterDeviceManagerXI2 *manager_xi2,
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ClutterBackendX11 *backend_x11,
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XIDeviceInfo *info,
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gboolean in_construction)
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{
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ClutterInputDevice *device;
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device = create_device (manager_xi2, backend_x11, info);
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/* we don't go through the DeviceManager::add_device() vfunc because
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* that emits the signal, and we only do it conditionally
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*
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* FIXME: add a boolean "emit_signal" argument to the add_device()
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* wrapper in ClutterDeviceManager, and emit the signal only if true
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*/
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g_hash_table_replace (manager_xi2->devices_by_id,
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GINT_TO_POINTER (info->deviceid),
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g_object_ref (device));
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if (info->use == XIMasterPointer ||
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info->use == XIMasterKeyboard)
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{
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manager_xi2->master_devices =
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g_list_prepend (manager_xi2->master_devices, device);
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}
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else if (info->use == XISlavePointer ||
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info->use == XISlaveKeyboard ||
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info->use == XIFloatingSlave)
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{
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manager_xi2->slave_devices =
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g_list_prepend (manager_xi2->slave_devices, device);
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}
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else
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g_warning ("Unhandled device: %s",
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clutter_input_device_get_device_name (device));
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/* relationships between devices and signal emissions are not
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* necessary while we're constructing the device manager instance
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*/
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if (!in_construction)
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{
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if (info->use == XISlavePointer || info->use == XISlaveKeyboard)
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{
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ClutterInputDevice *master;
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master = g_hash_table_lookup (manager_xi2->devices_by_id,
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GINT_TO_POINTER (info->attachment));
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_clutter_input_device_set_associated_device (device, master);
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_clutter_input_device_add_slave (master, device);
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}
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g_signal_emit_by_name (manager_xi2, "device-added", device);
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}
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return device;
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}
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static void
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remove_device (ClutterDeviceManagerXI2 *manager_xi2,
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gint device_id)
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{
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ClutterInputDevice *device;
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device = g_hash_table_lookup (manager_xi2->devices_by_id,
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GINT_TO_POINTER (device_id));
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if (device != NULL)
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{
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manager_xi2->master_devices =
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g_list_remove (manager_xi2->master_devices, device);
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manager_xi2->slave_devices =
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g_list_remove (manager_xi2->slave_devices, device);
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g_signal_emit_by_name (manager_xi2, "device-removed", device);
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g_object_run_dispose (G_OBJECT (device));
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g_hash_table_remove (manager_xi2->devices_by_id,
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GINT_TO_POINTER (device_id));
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}
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}
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static void
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translate_hierarchy_event (ClutterBackendX11 *backend_x11,
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ClutterDeviceManagerXI2 *manager_xi2,
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XIHierarchyEvent *ev)
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{
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ClutterInputDevice *device;
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int i;
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for (i = 0; i < ev->num_info; i++)
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{
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if (ev->info[i].flags & XIDeviceEnabled)
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{
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XIDeviceInfo *info;
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int n_devices;
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info = XIQueryDevice (backend_x11->xdpy,
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ev->info[i].deviceid,
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&n_devices);
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device = add_device (manager_xi2, backend_x11, &info[0], FALSE);
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}
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else if (ev->info[i].flags & XIDeviceDisabled)
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{
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remove_device (manager_xi2, ev->info[i].deviceid);
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}
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else if ((ev->info[i].flags & XISlaveAttached) ||
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(ev->info[i].flags & XISlaveDetached))
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{
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ClutterInputDevice *master, *slave;
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XIDeviceInfo *info;
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int n_devices;
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slave = g_hash_table_lookup (manager_xi2->devices_by_id,
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GINT_TO_POINTER (ev->info[i].deviceid));
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master = clutter_input_device_get_associated_device (slave);
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/* detach the slave in both cases */
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if (master != NULL)
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{
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_clutter_input_device_remove_slave (master, slave);
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_clutter_input_device_set_associated_device (slave, NULL);
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}
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/* and attach the slave to the new master if needed */
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if (ev->info[i].flags & XISlaveAttached)
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{
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info = XIQueryDevice (backend_x11->xdpy,
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ev->info[i].deviceid,
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&n_devices);
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master = g_hash_table_lookup (manager_xi2->devices_by_id,
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GINT_TO_POINTER (info->attachment));
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_clutter_input_device_set_associated_device (slave, master);
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_clutter_input_device_add_slave (master, slave);
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XIFreeDeviceInfo (info);
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}
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}
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}
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}
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static void
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clutter_device_manager_xi2_select_events (ClutterDeviceManager *manager,
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Window xwindow,
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XIEventMask *event_mask)
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{
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Display *xdisplay;
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xdisplay = clutter_x11_get_default_display ();
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XISelectEvents (xdisplay, xwindow, event_mask, 1);
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}
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static ClutterStage *
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get_event_stage (ClutterEventTranslator *translator,
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XIEvent *xi_event)
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{
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Window xwindow = None;
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switch (xi_event->evtype)
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{
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case XI_KeyPress:
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case XI_KeyRelease:
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case XI_ButtonPress:
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case XI_ButtonRelease:
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case XI_Motion:
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{
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XIDeviceEvent *xev = (XIDeviceEvent *) xi_event;
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xwindow = xev->event;
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}
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break;
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case XI_Enter:
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case XI_Leave:
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case XI_FocusIn:
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case XI_FocusOut:
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{
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XIEnterEvent *xev = (XIEnterEvent *) xi_event;
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xwindow = xev->event;
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}
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break;
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default:
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break;
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}
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if (xwindow == None)
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return NULL;
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return clutter_x11_get_stage_from_window (xwindow);
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}
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/*
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* print_key_sym: Translate a symbol to its printable form if any
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* @symbol: the symbol to translate
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* @buffer: the buffer where to put the translated string
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* @len: size of the buffer
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*
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* Translates @symbol into a printable representation in @buffer, if possible.
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*
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* Return value: The number of bytes of the translated string, 0 if the
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* symbol can't be printed
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*
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* Note: The code is derived from libX11's src/KeyBind.c
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* Copyright 1985, 1987, 1998 The Open Group
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*
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* Note: This code works for Latin-1 symbols. clutter_keysym_to_unicode()
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* does the work for the other keysyms.
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*/
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static int
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print_keysym (uint32_t symbol,
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char *buffer,
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int len)
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{
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unsigned long high_bytes;
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unsigned char c;
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high_bytes = symbol >> 8;
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if (!(len &&
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((high_bytes == 0) ||
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((high_bytes == 0xFF) &&
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(((symbol >= CLUTTER_KEY_BackSpace) &&
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(symbol <= CLUTTER_KEY_Clear)) ||
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(symbol == CLUTTER_KEY_Return) ||
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(symbol == CLUTTER_KEY_Escape) ||
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(symbol == CLUTTER_KEY_KP_Space) ||
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(symbol == CLUTTER_KEY_KP_Tab) ||
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(symbol == CLUTTER_KEY_KP_Enter) ||
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((symbol >= CLUTTER_KEY_KP_Multiply) &&
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(symbol <= CLUTTER_KEY_KP_9)) ||
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(symbol == CLUTTER_KEY_KP_Equal) ||
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(symbol == CLUTTER_KEY_Delete))))))
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return 0;
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/* if X keysym, convert to ascii by grabbing low 7 bits */
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if (symbol == CLUTTER_KEY_KP_Space)
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c = CLUTTER_KEY_space & 0x7F; /* patch encoding botch */
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else if (high_bytes == 0xFF)
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c = symbol & 0x7F;
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else
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c = symbol & 0xFF;
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buffer[0] = c;
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return 1;
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}
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|
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static gdouble *
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translate_axes (ClutterInputDevice *device,
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gdouble x,
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gdouble y,
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ClutterStageX11 *stage_x11,
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XIValuatorState *valuators)
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{
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guint n_axes = clutter_input_device_get_n_axes (device);
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guint i;
|
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gdouble *retval;
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double *values;
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retval = g_new0 (gdouble, n_axes);
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values = valuators->values;
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for (i = 0; i < valuators->mask_len * 8; i++)
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{
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ClutterInputAxis axis;
|
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gdouble val;
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|
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if (!XIMaskIsSet (valuators->mask, i))
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continue;
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axis = _clutter_input_device_get_axis (device, i);
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val = *values++;
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switch (axis)
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{
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case CLUTTER_INPUT_AXIS_X:
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retval[i] = x;
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break;
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case CLUTTER_INPUT_AXIS_Y:
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retval[i] = y;
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break;
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default:
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_clutter_input_device_translate_axis (device, i, val, &retval[i]);
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break;
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}
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}
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return retval;
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}
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|
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static ClutterTranslateReturn
|
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clutter_device_manager_xi2_translate_event (ClutterEventTranslator *translator,
|
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gpointer native,
|
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ClutterEvent *event)
|
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{
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ClutterDeviceManagerXI2 *manager_xi2 = CLUTTER_DEVICE_MANAGER_XI2 (translator);
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ClutterTranslateReturn retval = CLUTTER_TRANSLATE_CONTINUE;
|
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ClutterBackendX11 *backend_x11;
|
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ClutterStageX11 *stage_x11;
|
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ClutterStage *stage;
|
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ClutterInputDevice *device;
|
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XGenericEventCookie *cookie;
|
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XIEvent *xi_event;
|
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XEvent *xevent;
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backend_x11 = CLUTTER_BACKEND_X11 (clutter_get_default_backend ());
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|
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xevent = native;
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|
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cookie = &xevent->xcookie;
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|
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if (!XGetEventData (backend_x11->xdpy, cookie))
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return CLUTTER_TRANSLATE_CONTINUE;
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|
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if (cookie->type != GenericEvent ||
|
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cookie->extension != manager_xi2->opcode)
|
|
{
|
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XFreeEventData (backend_x11->xdpy, cookie);
|
|
return CLUTTER_TRANSLATE_CONTINUE;
|
|
}
|
|
|
|
xi_event = (XIEvent *) cookie->data;
|
|
|
|
stage = get_event_stage (translator, xi_event);
|
|
if (stage == NULL || CLUTTER_ACTOR_IN_DESTRUCTION (stage))
|
|
{
|
|
XFreeEventData (backend_x11->xdpy, cookie);
|
|
return CLUTTER_TRANSLATE_CONTINUE;
|
|
}
|
|
|
|
stage_x11 = CLUTTER_STAGE_X11 (_clutter_stage_get_window (stage));
|
|
|
|
event->any.stage = stage;
|
|
|
|
switch (xi_event->evtype)
|
|
{
|
|
case XI_HierarchyChanged:
|
|
{
|
|
XIHierarchyEvent *xev = (XIHierarchyEvent *) xi_event;
|
|
|
|
translate_hierarchy_event (backend_x11, manager_xi2, xev);
|
|
}
|
|
retval = CLUTTER_TRANSLATE_REMOVE;
|
|
break;
|
|
|
|
case XI_DeviceChanged:
|
|
{
|
|
XIDeviceChangedEvent *xev = (XIDeviceChangedEvent *) xi_event;
|
|
|
|
device = g_hash_table_lookup (manager_xi2->devices_by_id,
|
|
GINT_TO_POINTER (xev->deviceid));
|
|
_clutter_input_device_reset_axes (device);
|
|
translate_device_classes (backend_x11->xdpy,
|
|
device,
|
|
xev->classes,
|
|
xev->num_classes);
|
|
}
|
|
retval = CLUTTER_TRANSLATE_REMOVE;
|
|
break;
|
|
|
|
case XI_KeyPress:
|
|
case XI_KeyRelease:
|
|
{
|
|
XIDeviceEvent *xev = (XIDeviceEvent *) xi_event;
|
|
ClutterEventX11 *event_x11;
|
|
char buffer[7] = { 0, };
|
|
gunichar n;
|
|
|
|
event->key.type = event->type = (xev->evtype == XI_KeyPress)
|
|
? CLUTTER_KEY_PRESS
|
|
: CLUTTER_KEY_RELEASE;
|
|
|
|
event->key.time = xev->time;
|
|
event->key.stage = stage;
|
|
event->key.modifier_state =
|
|
_clutter_input_device_xi2_translate_state (&xev->mods, &xev->buttons);
|
|
event->key.hardware_keycode = xev->detail;
|
|
|
|
/* keyval is the key ignoring all modifiers ('1' vs. '!') */
|
|
event->key.keyval =
|
|
_clutter_keymap_x11_translate_key_state (backend_x11->keymap,
|
|
event->key.hardware_keycode,
|
|
event->key.modifier_state,
|
|
NULL);
|
|
|
|
/* KeyEvents have platform specific data associated to them */
|
|
event_x11 = _clutter_event_x11_new ();
|
|
_clutter_event_set_platform_data (event, event_x11);
|
|
|
|
event_x11->key_group =
|
|
_clutter_keymap_x11_get_key_group (backend_x11->keymap,
|
|
event->key.modifier_state);
|
|
event_x11->key_is_modifier =
|
|
_clutter_keymap_x11_get_is_modifier (backend_x11->keymap,
|
|
event->key.hardware_keycode);
|
|
event_x11->num_lock_set =
|
|
_clutter_keymap_x11_get_num_lock_state (backend_x11->keymap);
|
|
event_x11->caps_lock_set =
|
|
_clutter_keymap_x11_get_caps_lock_state (backend_x11->keymap);
|
|
|
|
device = g_hash_table_lookup (manager_xi2->devices_by_id,
|
|
GINT_TO_POINTER (xev->deviceid));
|
|
event->key.device = device;
|
|
|
|
/* XXX keep this in sync with the evdev device manager */
|
|
n = print_keysym (event->key.keyval, buffer, sizeof (buffer));
|
|
if (n == 0)
|
|
{
|
|
/* not printable */
|
|
event->key.unicode_value = (gunichar) '\0';
|
|
}
|
|
else
|
|
{
|
|
event->key.unicode_value = g_utf8_get_char_validated (buffer, n);
|
|
if (event->key.unicode_value == -1 ||
|
|
event->key.unicode_value == -2)
|
|
event->key.unicode_value = (gunichar) '\0';
|
|
}
|
|
|
|
CLUTTER_NOTE (EVENT, "%s: win:0x%x, key: %12s (%d)",
|
|
event->any.type == CLUTTER_KEY_PRESS
|
|
? "key press "
|
|
: "key release",
|
|
(unsigned int) stage_x11->xwin,
|
|
event->key.keyval ? buffer : "(none)",
|
|
event->key.keyval);
|
|
|
|
if (xi_event->evtype == XI_KeyPress)
|
|
_clutter_stage_x11_set_user_time (stage_x11, event->key.time);
|
|
|
|
retval = CLUTTER_TRANSLATE_QUEUE;
|
|
}
|
|
break;
|
|
|
|
case XI_ButtonPress:
|
|
case XI_ButtonRelease:
|
|
{
|
|
XIDeviceEvent *xev = (XIDeviceEvent *) xi_event;
|
|
|
|
switch (xev->detail)
|
|
{
|
|
case 4:
|
|
case 5:
|
|
case 6:
|
|
case 7:
|
|
event->scroll.type = event->type = CLUTTER_SCROLL;
|
|
|
|
if (xev->detail == 4)
|
|
event->scroll.direction = CLUTTER_SCROLL_UP;
|
|
else if (xev->detail == 5)
|
|
event->scroll.direction = CLUTTER_SCROLL_DOWN;
|
|
else if (xev->detail == 6)
|
|
event->scroll.direction = CLUTTER_SCROLL_LEFT;
|
|
else
|
|
event->scroll.direction = CLUTTER_SCROLL_RIGHT;
|
|
|
|
event->scroll.stage = stage;
|
|
|
|
event->scroll.time = xev->time;
|
|
event->scroll.x = xev->event_x;
|
|
event->scroll.y = xev->event_y;
|
|
event->scroll.device =
|
|
g_hash_table_lookup (manager_xi2->devices_by_id,
|
|
GINT_TO_POINTER (xev->deviceid));
|
|
event->scroll.modifier_state =
|
|
_clutter_input_device_xi2_translate_state (&xev->mods,
|
|
&xev->buttons);
|
|
event->scroll.axes = translate_axes (event->scroll.device,
|
|
event->scroll.x,
|
|
event->scroll.y,
|
|
stage_x11,
|
|
&xev->valuators);
|
|
break;
|
|
|
|
default:
|
|
event->button.type = event->type =
|
|
(xi_event->evtype == XI_ButtonPress) ? CLUTTER_BUTTON_PRESS
|
|
: CLUTTER_BUTTON_RELEASE;
|
|
|
|
event->button.stage = stage;
|
|
|
|
event->button.time = xev->time;
|
|
event->button.x = xev->event_x;
|
|
event->button.y = xev->event_y;
|
|
event->button.button = xev->detail;
|
|
event->button.device =
|
|
g_hash_table_lookup (manager_xi2->devices_by_id,
|
|
GINT_TO_POINTER (xev->deviceid));
|
|
event->button.modifier_state =
|
|
_clutter_input_device_xi2_translate_state (&xev->mods,
|
|
&xev->buttons);
|
|
event->button.axes = translate_axes (event->button.device,
|
|
event->button.x,
|
|
event->button.y,
|
|
stage_x11,
|
|
&xev->valuators);
|
|
break;
|
|
}
|
|
|
|
CLUTTER_NOTE (EVENT,
|
|
"%s: win:0x%x, device:%s (button:%d, x:%.2f, y:%.2f)",
|
|
event->any.type == CLUTTER_BUTTON_PRESS
|
|
? "button press "
|
|
: "button release",
|
|
(unsigned int) stage_x11->xwin,
|
|
event->button.device->device_name,
|
|
event->button.button,
|
|
event->button.x,
|
|
event->button.y);
|
|
|
|
if (xi_event->evtype == XI_ButtonPress)
|
|
_clutter_stage_x11_set_user_time (stage_x11, event->button.time);
|
|
|
|
retval = CLUTTER_TRANSLATE_QUEUE;
|
|
}
|
|
break;
|
|
|
|
case XI_Motion:
|
|
{
|
|
XIDeviceEvent *xev = (XIDeviceEvent *) xi_event;
|
|
|
|
event->motion.type = event->type = CLUTTER_MOTION;
|
|
|
|
event->motion.stage = stage;
|
|
|
|
event->motion.time = xev->time;
|
|
event->motion.x = xev->event_x;
|
|
event->motion.y = xev->event_y;
|
|
event->motion.device =
|
|
g_hash_table_lookup (manager_xi2->devices_by_id,
|
|
GINT_TO_POINTER (xev->deviceid));
|
|
event->motion.modifier_state =
|
|
_clutter_input_device_xi2_translate_state (&xev->mods,
|
|
&xev->buttons);
|
|
|
|
CLUTTER_NOTE (EVENT, "motion: win:0x%x device:%s (x:%.2f, y:%.2f)",
|
|
(unsigned int) stage_x11->xwin,
|
|
event->motion.device->device_name,
|
|
event->motion.x,
|
|
event->motion.y);
|
|
|
|
retval = CLUTTER_TRANSLATE_QUEUE;
|
|
}
|
|
break;
|
|
|
|
case XI_Enter:
|
|
case XI_Leave:
|
|
{
|
|
XIEnterEvent *xev = (XIEnterEvent *) xi_event;
|
|
|
|
device = g_hash_table_lookup (manager_xi2->devices_by_id,
|
|
GINT_TO_POINTER (xev->deviceid));
|
|
|
|
if (xi_event->evtype == XI_Enter)
|
|
{
|
|
_clutter_input_device_set_stage (device, stage);
|
|
|
|
event->motion.type = event->type = CLUTTER_MOTION;
|
|
|
|
event->motion.stage = stage;
|
|
event->motion.source = CLUTTER_ACTOR (stage);
|
|
|
|
event->motion.time = xev->time;
|
|
event->motion.x = xev->event_x;
|
|
event->motion.y = xev->event_y;
|
|
event->motion.device = device;
|
|
event->motion.modifier_state =
|
|
_clutter_input_device_xi2_translate_state (&xev->mods,
|
|
&xev->buttons);
|
|
}
|
|
else
|
|
{
|
|
if (device->stage == NULL)
|
|
{
|
|
CLUTTER_NOTE (EVENT,
|
|
"Discarding Leave for ButtonRelease "
|
|
"event off-stage");
|
|
|
|
retval = CLUTTER_TRANSLATE_REMOVE;
|
|
break;
|
|
}
|
|
|
|
_clutter_input_device_set_stage (device, NULL);
|
|
|
|
event->crossing.type = event->type = CLUTTER_LEAVE;
|
|
|
|
event->crossing.source = CLUTTER_ACTOR (stage);
|
|
|
|
event->crossing.time = xev->time;
|
|
event->crossing.x = xev->event_x;
|
|
event->crossing.y = xev->event_y;
|
|
event->crossing.device = device;
|
|
}
|
|
|
|
retval = CLUTTER_TRANSLATE_QUEUE;
|
|
}
|
|
break;
|
|
|
|
case XI_FocusIn:
|
|
case XI_FocusOut:
|
|
retval = CLUTTER_TRANSLATE_CONTINUE;
|
|
break;
|
|
}
|
|
|
|
XFreeEventData (backend_x11->xdpy, cookie);
|
|
|
|
return retval;
|
|
}
|
|
|
|
static void
|
|
clutter_event_translator_iface_init (ClutterEventTranslatorIface *iface)
|
|
{
|
|
iface->translate_event = clutter_device_manager_xi2_translate_event;
|
|
}
|
|
|
|
static void
|
|
clutter_device_manager_xi2_add_device (ClutterDeviceManager *manager,
|
|
ClutterInputDevice *device)
|
|
{
|
|
}
|
|
|
|
static void
|
|
clutter_device_manager_xi2_remove_device (ClutterDeviceManager *manager,
|
|
ClutterInputDevice *device)
|
|
{
|
|
ClutterDeviceManagerXI2 *manager_xi2 = CLUTTER_DEVICE_MANAGER_XI2 (manager);
|
|
gint device_id;
|
|
|
|
device_id = clutter_input_device_get_device_id (device);
|
|
|
|
manager_xi2->master_devices =
|
|
g_list_remove (manager_xi2->master_devices, device);
|
|
manager_xi2->slave_devices =
|
|
g_list_remove (manager_xi2->slave_devices, device);
|
|
|
|
g_signal_emit_by_name (manager_xi2, "device-removed", device);
|
|
|
|
g_object_run_dispose (G_OBJECT (device));
|
|
|
|
g_hash_table_remove (manager_xi2->devices_by_id,
|
|
GINT_TO_POINTER (device_id));
|
|
}
|
|
|
|
static const GSList *
|
|
clutter_device_manager_xi2_get_devices (ClutterDeviceManager *manager)
|
|
{
|
|
ClutterDeviceManagerXI2 *manager_xi2 = CLUTTER_DEVICE_MANAGER_XI2 (manager);
|
|
GSList *all_devices = NULL;
|
|
GList *l;
|
|
|
|
if (manager_xi2->all_devices != NULL)
|
|
return manager_xi2->all_devices;
|
|
|
|
for (l = manager_xi2->master_devices; l != NULL; l = l->next)
|
|
all_devices = g_slist_prepend (all_devices, l->data);
|
|
|
|
for (l = manager_xi2->slave_devices; l != NULL; l = l->next)
|
|
all_devices = g_slist_prepend (all_devices, l->data);
|
|
|
|
manager_xi2->all_devices = g_slist_reverse (all_devices);
|
|
|
|
return manager_xi2->all_devices;
|
|
}
|
|
|
|
static ClutterInputDevice *
|
|
clutter_device_manager_xi2_get_device (ClutterDeviceManager *manager,
|
|
gint id)
|
|
{
|
|
ClutterDeviceManagerXI2 *manager_xi2 = CLUTTER_DEVICE_MANAGER_XI2 (manager);
|
|
|
|
return g_hash_table_lookup (manager_xi2->devices_by_id,
|
|
GINT_TO_POINTER (id));
|
|
}
|
|
|
|
static ClutterInputDevice *
|
|
clutter_device_manager_xi2_get_core_device (ClutterDeviceManager *manager,
|
|
ClutterInputDeviceType device_type)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
static void
|
|
relate_masters (gpointer key,
|
|
gpointer value,
|
|
gpointer data)
|
|
{
|
|
ClutterDeviceManagerXI2 *manager_xi2 = data;
|
|
ClutterInputDevice *device, *relative;
|
|
|
|
device = g_hash_table_lookup (manager_xi2->devices_by_id, key);
|
|
relative = g_hash_table_lookup (manager_xi2->devices_by_id, value);
|
|
|
|
_clutter_input_device_set_associated_device (device, relative);
|
|
_clutter_input_device_set_associated_device (relative, device);
|
|
}
|
|
|
|
static void
|
|
relate_slaves (gpointer key,
|
|
gpointer value,
|
|
gpointer data)
|
|
{
|
|
ClutterDeviceManagerXI2 *manager_xi2 = data;
|
|
ClutterInputDevice *master, *slave;
|
|
|
|
master = g_hash_table_lookup (manager_xi2->devices_by_id, key);
|
|
slave = g_hash_table_lookup (manager_xi2->devices_by_id, value);
|
|
|
|
_clutter_input_device_set_associated_device (slave, master);
|
|
_clutter_input_device_add_slave (master, slave);
|
|
}
|
|
|
|
static void
|
|
clutter_device_manager_xi2_constructed (GObject *gobject)
|
|
{
|
|
ClutterDeviceManagerXI2 *manager_xi2 = CLUTTER_DEVICE_MANAGER_XI2 (gobject);
|
|
ClutterDeviceManager *manager = CLUTTER_DEVICE_MANAGER (gobject);
|
|
ClutterBackendX11 *backend_x11;
|
|
GHashTable *masters, *slaves;
|
|
XIDeviceInfo *info;
|
|
XIEventMask event_mask;
|
|
unsigned char mask[2] = { 0, };
|
|
int n_devices, i;
|
|
|
|
backend_x11 =
|
|
CLUTTER_BACKEND_X11 (_clutter_device_manager_get_backend (manager));
|
|
|
|
masters = g_hash_table_new (NULL, NULL);
|
|
slaves = g_hash_table_new (NULL, NULL);
|
|
|
|
info = XIQueryDevice (backend_x11->xdpy, XIAllDevices, &n_devices);
|
|
|
|
for (i = 0; i < n_devices; i++)
|
|
{
|
|
XIDeviceInfo *xi_device = &info[i];
|
|
ClutterInputDevice *device;
|
|
|
|
device = add_device (manager_xi2, backend_x11, xi_device, TRUE);
|
|
|
|
if (xi_device->use == XIMasterPointer ||
|
|
xi_device->use == XIMasterKeyboard)
|
|
{
|
|
g_hash_table_insert (masters,
|
|
GINT_TO_POINTER (xi_device->deviceid),
|
|
GINT_TO_POINTER (xi_device->attachment));
|
|
}
|
|
else if (xi_device->use == XISlavePointer ||
|
|
xi_device->use == XISlaveKeyboard)
|
|
{
|
|
g_hash_table_insert (slaves,
|
|
GINT_TO_POINTER (xi_device->deviceid),
|
|
GINT_TO_POINTER (xi_device->attachment));
|
|
}
|
|
}
|
|
|
|
XIFreeDeviceInfo (info);
|
|
|
|
g_hash_table_foreach (masters, relate_masters, manager_xi2);
|
|
g_hash_table_destroy (masters);
|
|
|
|
g_hash_table_foreach (slaves, relate_slaves, manager_xi2);
|
|
g_hash_table_destroy (slaves);
|
|
|
|
XISetMask (mask, XI_HierarchyChanged);
|
|
XISetMask (mask, XI_DeviceChanged);
|
|
|
|
event_mask.deviceid = XIAllDevices;
|
|
event_mask.mask_len = sizeof (mask);
|
|
event_mask.mask = mask;
|
|
|
|
clutter_device_manager_xi2_select_events (manager,
|
|
clutter_x11_get_root_window (),
|
|
&event_mask);
|
|
|
|
if (G_OBJECT_CLASS (clutter_device_manager_xi2_parent_class)->constructed)
|
|
G_OBJECT_CLASS (clutter_device_manager_xi2_parent_class)->constructed (gobject);
|
|
}
|
|
|
|
static void
|
|
clutter_device_manager_xi2_set_property (GObject *gobject,
|
|
guint prop_id,
|
|
const GValue *value,
|
|
GParamSpec *pspec)
|
|
{
|
|
ClutterDeviceManagerXI2 *manager_xi2 = CLUTTER_DEVICE_MANAGER_XI2 (gobject);
|
|
|
|
switch (prop_id)
|
|
{
|
|
case PROP_OPCODE:
|
|
manager_xi2->opcode = g_value_get_int (value);
|
|
break;
|
|
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
clutter_device_manager_xi2_class_init (ClutterDeviceManagerXI2Class *klass)
|
|
{
|
|
ClutterDeviceManagerClass *manager_class;
|
|
GObjectClass *gobject_class;
|
|
|
|
obj_props[PROP_OPCODE] =
|
|
g_param_spec_int ("opcode",
|
|
"Opcode",
|
|
"The XI2 opcode",
|
|
-1, G_MAXINT,
|
|
-1,
|
|
CLUTTER_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY);
|
|
|
|
gobject_class = G_OBJECT_CLASS (klass);
|
|
gobject_class->constructed = clutter_device_manager_xi2_constructed;
|
|
gobject_class->set_property = clutter_device_manager_xi2_set_property;
|
|
|
|
g_object_class_install_properties (gobject_class, PROP_LAST, obj_props);
|
|
|
|
manager_class = CLUTTER_DEVICE_MANAGER_CLASS (klass);
|
|
manager_class->add_device = clutter_device_manager_xi2_add_device;
|
|
manager_class->remove_device = clutter_device_manager_xi2_remove_device;
|
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manager_class->get_devices = clutter_device_manager_xi2_get_devices;
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manager_class->get_core_device = clutter_device_manager_xi2_get_core_device;
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manager_class->get_device = clutter_device_manager_xi2_get_device;
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}
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static void
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clutter_device_manager_xi2_init (ClutterDeviceManagerXI2 *self)
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|
{
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self->devices_by_id = g_hash_table_new_full (NULL, NULL,
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|
NULL,
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|
(GDestroyNotify) g_object_unref);
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|
}
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