265 lines
6.9 KiB
C
265 lines
6.9 KiB
C
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
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*
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* Copyright (C) 2015 Red Hat
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* Author: Carlos Garnacho <carlosg@gnome.org>
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*/
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#include "config.h"
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#include <gdk/gdk.h>
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#include <gdk/gdkx.h>
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#include "gsd-input-helper.h"
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#include "gsd-device-manager-x11.h"
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struct _GsdX11DeviceManager
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{
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GsdDeviceManager parent_instance;
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GdkDeviceManager *device_manager;
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GHashTable *devices;
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GHashTable *gdk_devices;
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};
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struct _GsdX11DeviceManagerClass
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{
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GsdDeviceManagerClass parent_class;
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};
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G_DEFINE_TYPE (GsdX11DeviceManager, gsd_x11_device_manager, GSD_TYPE_DEVICE_MANAGER)
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static GsdDeviceType
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device_get_device_type (GdkDevice *gdk_device)
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{
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GdkInputSource source;
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source = gdk_device_get_source (gdk_device);
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switch (source) {
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case GDK_SOURCE_MOUSE:
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return GSD_DEVICE_TYPE_MOUSE;
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case GDK_SOURCE_PEN:
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case GDK_SOURCE_ERASER:
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case GDK_SOURCE_CURSOR:
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return GSD_DEVICE_TYPE_TABLET;
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case GDK_SOURCE_KEYBOARD:
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return GSD_DEVICE_TYPE_KEYBOARD;
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case GDK_SOURCE_TOUCHSCREEN:
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return GSD_DEVICE_TYPE_TOUCHSCREEN;
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case GDK_SOURCE_TOUCHPAD:
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return GSD_DEVICE_TYPE_TOUCHPAD;
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default:
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g_warning ("Unhandled input source %d\n", source);
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}
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return 0;
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}
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static GsdDevice *
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create_device (GdkDevice *gdk_device,
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const gchar *device_file)
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{
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guint width, height;
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GsdDevice *device;
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gint id;
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id = gdk_x11_device_get_id (gdk_device);
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xdevice_get_dimensions (id, &width, &height);
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device = g_object_new (GSD_TYPE_DEVICE,
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"name", gdk_device_get_name (gdk_device),
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"device-file", device_file,
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"type", device_get_device_type (gdk_device),
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"vendor-id", gdk_device_get_vendor_id (gdk_device),
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"product-id", gdk_device_get_product_id (gdk_device),
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"width", width,
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"height", height,
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NULL);
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return device;
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}
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static void
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add_device (GsdX11DeviceManager *manager,
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GdkDevice *gdk_device)
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{
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gchar *device_file;
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GsdDevice *device;
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gint id;
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if (gdk_device_get_device_type (gdk_device) == GDK_DEVICE_TYPE_MASTER)
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return;
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id = gdk_x11_device_get_id (gdk_device);
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device_file = xdevice_get_device_node (id);
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if (!device_file)
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return;
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/* Takes ownership of device_file */
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g_hash_table_insert (manager->gdk_devices, gdk_device, device_file);
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device = g_hash_table_lookup (manager->devices, device_file);
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if (device) {
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g_signal_emit_by_name (manager, "device-changed", device);
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} else {
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device = create_device (gdk_device, device_file);
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g_hash_table_insert (manager->devices, g_strdup (device_file), device);
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g_signal_emit_by_name (manager, "device-added", device);
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}
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}
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static void
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remove_device (GsdX11DeviceManager *manager,
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GdkDevice *gdk_device)
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{
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const gchar *device_file;
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GsdDevice *device;
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device_file = g_hash_table_lookup (manager->gdk_devices, gdk_device);
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if (!device_file)
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return;
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device = g_hash_table_lookup (manager->devices, device_file);
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if (device)
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g_object_ref (device);
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if (device) {
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g_signal_emit_by_name (manager, "device-removed", device);
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g_object_unref (device);
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}
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g_hash_table_remove (manager->devices, device_file);
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g_hash_table_remove (manager->gdk_devices, gdk_device);
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}
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static void
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init_devices (GsdX11DeviceManager *manager,
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GdkDeviceType device_type)
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{
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GList *devices, *l;
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devices = gdk_device_manager_list_devices (manager->device_manager,
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device_type);
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for (l = devices; l; l = l->next)
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add_device (manager, l->data);
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g_list_free (devices);
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}
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static void
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gsd_x11_device_manager_init (GsdX11DeviceManager *manager)
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{
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GdkDisplay *display;
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manager->devices = g_hash_table_new_full (g_str_hash, g_str_equal,
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(GDestroyNotify) g_free,
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(GDestroyNotify) g_object_unref);
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manager->gdk_devices = g_hash_table_new_full (NULL, NULL, NULL,
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(GDestroyNotify) g_free);
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display = gdk_display_get_default ();
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manager->device_manager = gdk_display_get_device_manager (display);
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g_signal_connect_swapped (manager->device_manager, "device-added",
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G_CALLBACK (add_device), manager);
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g_signal_connect_swapped (manager->device_manager, "device-removed",
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G_CALLBACK (remove_device), manager);
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init_devices (manager, GDK_DEVICE_TYPE_SLAVE);
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init_devices (manager, GDK_DEVICE_TYPE_FLOATING);
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}
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static GList *
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gsd_x11_device_manager_list_devices (GsdDeviceManager *manager,
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GsdDeviceType type)
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{
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GsdX11DeviceManager *manager_x11 = GSD_X11_DEVICE_MANAGER (manager);
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GsdDeviceType device_type;
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GList *devices = NULL;
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GHashTableIter iter;
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GsdDevice *device;
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g_hash_table_iter_init (&iter, manager_x11->devices);
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while (g_hash_table_iter_next (&iter, NULL, (gpointer *) &device)) {
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device_type = gsd_device_get_device_type (device);
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if ((device_type & type) == type)
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devices = g_list_prepend (devices, device);
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}
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return devices;
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}
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static void
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gsd_x11_device_manager_class_init (GsdX11DeviceManagerClass *klass)
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{
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GsdDeviceManagerClass *manager_class = GSD_DEVICE_MANAGER_CLASS (klass);
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manager_class->list_devices = gsd_x11_device_manager_list_devices;
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}
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GdkDevice **
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gsd_x11_device_manager_get_gdk_devices (GsdX11DeviceManager *manager,
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GsdDevice *device,
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guint *n_gdk_devices)
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{
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const gchar *device_node;
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GPtrArray *gdk_devices;
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GdkDevice *gdk_device;
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GHashTableIter iter;
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if (n_gdk_devices)
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*n_gdk_devices = 0;
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g_return_val_if_fail (GSD_IS_X11_DEVICE_MANAGER (manager), NULL);
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g_return_val_if_fail (GSD_IS_DEVICE (device), NULL);
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gdk_devices = g_ptr_array_new ();
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g_hash_table_iter_init (&iter, manager->gdk_devices);
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while (g_hash_table_iter_next (&iter, (gpointer *) &gdk_device, (gpointer *) &device_node)) {
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if (g_strcmp0 (gsd_device_get_device_file (device), device_node) == 0)
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g_ptr_array_add (gdk_devices, gdk_device);
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}
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if (n_gdk_devices)
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*n_gdk_devices = gdk_devices->len;
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return (GdkDevice **) g_ptr_array_free (gdk_devices, FALSE);
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}
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GsdDevice *
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gsd_x11_device_manager_lookup_gdk_device (GsdX11DeviceManager *manager,
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GdkDevice *gdk_device)
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{
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const gchar *device_node;
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g_return_val_if_fail (GSD_IS_X11_DEVICE_MANAGER (manager), NULL);
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g_return_val_if_fail (GDK_IS_DEVICE (gdk_device), NULL);
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device_node = g_hash_table_lookup (manager->gdk_devices, gdk_device);
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if (!device_node)
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return NULL;
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return g_hash_table_lookup (manager->devices, device_node);
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}
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