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https://github.com/brl/mutter.git
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355 lines
10 KiB
C
355 lines
10 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 (C) 2009 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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "clutter-backend-x11.h"
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#include "clutter-device-manager-x11.h"
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#include "clutter-input-device-x11.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-private.h"
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#ifdef HAVE_XINPUT
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#include <X11/extensions/XInput.h>
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#endif
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enum
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{
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PROP_0,
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PROP_USE_XINPUT_1,
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PROP_LAST
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};
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static GParamSpec *obj_props[PROP_LAST];
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G_DEFINE_TYPE (ClutterDeviceManagerX11,
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clutter_device_manager_x11,
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CLUTTER_TYPE_DEVICE_MANAGER);
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static void
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clutter_device_manager_x11_constructed (GObject *gobject)
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{
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ClutterDeviceManagerX11 *manager_x11;
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ClutterBackendX11 *backend_x11;
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ClutterDeviceManager *manager;
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ClutterInputDevice *device;
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#ifdef HAVE_XINPUT
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XDeviceInfo *x_devices = NULL;
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int res, opcode, event, error;
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int i, n_devices;
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#endif /* HAVE_XINPUT */
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manager = CLUTTER_DEVICE_MANAGER (gobject);
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manager_x11 = CLUTTER_DEVICE_MANAGER_X11 (gobject);
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if (!manager_x11->use_xinput_1)
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{
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CLUTTER_NOTE (BACKEND, "XInput support not enabled");
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goto default_device;
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}
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g_object_get (gobject, "backend", &backend_x11, NULL);
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g_assert (backend_x11 != NULL);
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#ifdef HAVE_XINPUT
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res = XQueryExtension (backend_x11->xdpy, "XInputExtension",
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&opcode,
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&event,
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&error);
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if (!res)
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{
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CLUTTER_NOTE (BACKEND, "No XInput extension available");
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goto default_device;
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}
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backend_x11->xi_event_base = event;
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x_devices = XListInputDevices (backend_x11->xdpy, &n_devices);
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if (n_devices == 0)
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{
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CLUTTER_NOTE (BACKEND, "No XInput devices found");
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goto default_device;
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}
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for (i = 0; i < n_devices; i++)
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{
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XDeviceInfo *info = x_devices + i;
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CLUTTER_NOTE (BACKEND,
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"Considering device %li with type %d, %d of %d",
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info->id,
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info->use,
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i, n_devices);
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/* we only want 'raw' devices, not virtual ones */
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if (info->use == IsXExtensionPointer ||
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/* info->use == IsXExtensionKeyboard || XInput1 is broken */
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info->use == IsXExtensionDevice)
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{
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ClutterInputDeviceType device_type;
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gint n_events = 0;
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switch (info->use)
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{
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case IsXExtensionPointer:
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device_type = CLUTTER_POINTER_DEVICE;
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break;
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/* XInput1 is broken for keyboards */
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case IsXExtensionKeyboard:
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device_type = CLUTTER_KEYBOARD_DEVICE;
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break;
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case IsXExtensionDevice:
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default:
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device_type = CLUTTER_EXTENSION_DEVICE;
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break;
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}
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device = g_object_new (CLUTTER_TYPE_INPUT_DEVICE_X11,
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"id", info->id,
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"device-type", device_type,
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"name", info->name,
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NULL);
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n_events = _clutter_input_device_x11_construct (device, backend_x11);
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_clutter_device_manager_add_device (manager, device);
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if (info->use == IsXExtensionPointer && n_events > 0)
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backend_x11->have_xinput = TRUE;
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}
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}
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XFree (x_devices);
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#endif /* HAVE_XINPUT */
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default_device:
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/* fallback code in case:
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*
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* - we do not have XInput support compiled in
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* - we do not have XInput support enabled
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* - we do not have the XInput extension
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*
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* we register two default devices, one for the pointer
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* and one for the keyboard. this block must also be
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* executed for the XInput support because XI does not
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* cover core devices
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*/
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device = g_object_new (CLUTTER_TYPE_INPUT_DEVICE_X11,
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"id", 0,
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"name", "Core Pointer",
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"device-type", CLUTTER_POINTER_DEVICE,
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"is-core", TRUE,
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NULL);
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CLUTTER_NOTE (BACKEND, "Added core pointer device");
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manager_x11->core_pointer = device;
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device = g_object_new (CLUTTER_TYPE_INPUT_DEVICE_X11,
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"id", 1,
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"name", "Core Keyboard",
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"device-type", CLUTTER_KEYBOARD_DEVICE,
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"is-core", TRUE,
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NULL);
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CLUTTER_NOTE (BACKEND, "Added core keyboard device");
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manager_x11->core_keyboard = device;
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if (G_OBJECT_CLASS (clutter_device_manager_x11_parent_class)->constructed)
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G_OBJECT_CLASS (clutter_device_manager_x11_parent_class)->constructed (gobject);
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}
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static void
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clutter_device_manager_x11_add_device (ClutterDeviceManager *manager,
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ClutterInputDevice *device)
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{
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ClutterDeviceManagerX11 *manager_x11 = CLUTTER_DEVICE_MANAGER_X11 (manager);
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manager_x11->devices = g_slist_prepend (manager_x11->devices, device);
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/* blow the cache */
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g_slist_free (manager_x11->all_devices);
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manager_x11->all_devices = NULL;
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}
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static void
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clutter_device_manager_x11_remove_device (ClutterDeviceManager *manager,
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ClutterInputDevice *device)
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{
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ClutterDeviceManagerX11 *manager_x11 = CLUTTER_DEVICE_MANAGER_X11 (manager);
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manager_x11->devices = g_slist_remove (manager_x11->devices, device);
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/* blow the cache */
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g_slist_free (manager_x11->all_devices);
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manager_x11->all_devices = NULL;
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}
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static const GSList *
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clutter_device_manager_x11_get_devices (ClutterDeviceManager *manager)
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{
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ClutterDeviceManagerX11 *manager_x11 = CLUTTER_DEVICE_MANAGER_X11 (manager);
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/* cache the devices list so that we can keep the core pointer
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* and keyboard outside of the ManagerX11:devices list
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*/
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if (manager_x11->all_devices == NULL)
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{
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GSList *all_devices;
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all_devices = manager_x11->devices;
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all_devices = g_slist_prepend (all_devices, manager_x11->core_keyboard);
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all_devices = g_slist_prepend (all_devices, manager_x11->core_pointer);
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manager_x11->all_devices = all_devices;
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}
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return CLUTTER_DEVICE_MANAGER_X11 (manager)->all_devices;
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}
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static ClutterInputDevice *
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clutter_device_manager_x11_get_core_device (ClutterDeviceManager *manager,
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ClutterInputDeviceType type)
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{
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ClutterDeviceManagerX11 *manager_x11;
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manager_x11 = CLUTTER_DEVICE_MANAGER_X11 (manager);
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switch (type)
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{
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case CLUTTER_POINTER_DEVICE:
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return manager_x11->core_pointer;
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case CLUTTER_KEYBOARD_DEVICE:
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return manager_x11->core_keyboard;
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case CLUTTER_EXTENSION_DEVICE:
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default:
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return NULL;
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}
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return NULL;
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}
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static ClutterInputDevice *
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clutter_device_manager_x11_get_device (ClutterDeviceManager *manager,
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gint id)
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{
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ClutterDeviceManagerX11 *manager_x11 = CLUTTER_DEVICE_MANAGER_X11 (manager);
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GSList *l;
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for (l = manager_x11->devices; l != NULL; l = l->next)
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{
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ClutterInputDevice *device = l->data;
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if (clutter_input_device_get_device_id (device) == id)
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return device;
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}
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return NULL;
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}
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static void
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clutter_device_manager_x11_set_property (GObject *gobject,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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ClutterDeviceManagerX11 *manager_x11;
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manager_x11 = CLUTTER_DEVICE_MANAGER_X11 (gobject);
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switch (prop_id)
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{
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case PROP_USE_XINPUT_1:
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manager_x11->use_xinput_1 = g_value_get_boolean (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
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break;
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}
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}
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static void
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clutter_device_manager_x11_get_property (GObject *gobject,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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ClutterDeviceManagerX11 *manager_x11;
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manager_x11 = CLUTTER_DEVICE_MANAGER_X11 (gobject);
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switch (prop_id)
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{
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case PROP_USE_XINPUT_1:
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g_value_set_boolean (value, manager_x11->use_xinput_1);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
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break;
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}
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}
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static void
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clutter_device_manager_x11_class_init (ClutterDeviceManagerX11Class *klass)
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{
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ClutterDeviceManagerClass *manager_class;
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GObjectClass *gobject_class;
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GParamSpec *pspec;
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gobject_class = G_OBJECT_CLASS (klass);
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gobject_class->set_property = clutter_device_manager_x11_set_property;
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gobject_class->get_property = clutter_device_manager_x11_get_property;
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gobject_class->constructed = clutter_device_manager_x11_constructed;
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manager_class = CLUTTER_DEVICE_MANAGER_CLASS (klass);
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manager_class->add_device = clutter_device_manager_x11_add_device;
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manager_class->remove_device = clutter_device_manager_x11_remove_device;
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manager_class->get_devices = clutter_device_manager_x11_get_devices;
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manager_class->get_core_device = clutter_device_manager_x11_get_core_device;
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manager_class->get_device = clutter_device_manager_x11_get_device;
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pspec = g_param_spec_boolean ("use-xinput-1",
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"Use XInput 1",
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"Use the XInput 1.0 extension",
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FALSE,
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CLUTTER_PARAM_READWRITE |
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G_PARAM_CONSTRUCT_ONLY);
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obj_props[PROP_USE_XINPUT_1] = pspec;
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g_object_class_install_property (gobject_class, PROP_USE_XINPUT_1, pspec);
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}
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static void
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clutter_device_manager_x11_init (ClutterDeviceManagerX11 *self)
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{
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self->use_xinput_1 = FALSE;
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}
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