Adding upstream version 3.38.2.upstream/3.38.2upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 528 insertions, 0 deletions

diff --git a/plugins/wacom/gsd-wacom-manager.c b/plugins/wacom/gsd-wacom-manager.c
new file mode 100644
index 0000000..0364063
--- /dev/null
+++ b/plugins/wacom/gsd-wacom-manager.c
@@ -0,0 +1,528 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2007 William Jon McCann <mccann@jhu.edu>
+ * Copyright (C) 2010 Red Hat, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "config.h"
+
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+
+#include <locale.h>
+
+#include <gdk/gdk.h>
+
+#ifdef GDK_WINDOWING_WAYLAND
+#include <gdk/gdkwayland.h>
+#endif
+#ifdef GDK_WINDOWING_X11
+#include <gdk/gdkx.h>
+#endif
+
+#if HAVE_WACOM
+#include <libwacom/libwacom.h>
+#endif
+
+#include "gsd-enums.h"
+#include "gnome-settings-profile.h"
+#include "gnome-settings-bus.h"
+#include "gsd-wacom-manager.h"
+#include "gsd-wacom-oled.h"
+#include "gsd-settings-migrate.h"
+#include "gsd-input-helper.h"
+
+
+#define UNKNOWN_DEVICE_NOTIFICATION_TIMEOUT 15000
+
+#define GSD_DBUS_NAME "org.gnome.SettingsDaemon"
+#define GSD_DBUS_PATH "/org/gnome/SettingsDaemon"
+#define GSD_DBUS_BASE_INTERFACE "org.gnome.SettingsDaemon"
+
+#define GSD_WACOM_DBUS_PATH GSD_DBUS_PATH "/Wacom"
+#define GSD_WACOM_DBUS_NAME GSD_DBUS_NAME ".Wacom"
+
+#define LEFT_HANDED_KEY		"left-handed"
+
+static const gchar introspection_xml[] =
+"<node name='/org/gnome/SettingsDaemon/Wacom'>"
+"  <interface name='org.gnome.SettingsDaemon.Wacom'>"
+"    <method name='SetOLEDLabels'>"
+"      <arg name='device_path' direction='in' type='s'/>"
+"      <arg name='labels' direction='in' type='as'/>"
+"    </method>"
+"  </interface>"
+"</node>";
+
+struct _GsdWacomManager
+{
+        GObject parent;
+
+        guint start_idle_id;
+        GdkSeat *seat;
+        guint device_added_id;
+
+        GsdShell *shell_proxy;
+
+        gchar *machine_id;
+
+#if HAVE_WACOM
+        WacomDeviceDatabase *wacom_db;
+#endif
+
+        /* DBus */
+        GDBusNodeInfo   *introspection_data;
+        GDBusConnection *dbus_connection;
+        GCancellable    *dbus_cancellable;
+        guint            dbus_register_object_id;
+        guint            name_id;
+};
+
+static void     gsd_wacom_manager_class_init  (GsdWacomManagerClass *klass);
+static void     gsd_wacom_manager_init        (GsdWacomManager      *wacom_manager);
+static void     gsd_wacom_manager_finalize    (GObject              *object);
+
+static gboolean is_opaque_tablet (GsdWacomManager *manager,
+                                  GdkDevice       *device);
+
+G_DEFINE_TYPE (GsdWacomManager, gsd_wacom_manager, G_TYPE_OBJECT)
+
+static gpointer manager_object = NULL;
+
+static GVariant *
+map_tablet_mapping (GVariant *value, GVariant *old_default, GVariant *new_default)
+{
+        const gchar *mapping;
+
+        mapping = g_variant_get_boolean (value) ? "absolute" : "relative";
+        return g_variant_new_string (mapping);
+}
+
+static GVariant *
+map_tablet_left_handed (GVariant *value, GVariant *old_default, GVariant *new_default)
+{
+        const gchar *rotation = g_variant_get_string (value, NULL);
+        return g_variant_new_boolean (g_strcmp0 (rotation, "half") == 0 ||
+                                      g_strcmp0 (rotation, "ccw") == 0);
+}
+
+static void
+migrate_tablet_settings (GsdWacomManager *manager,
+                         GdkDevice       *device)
+{
+        GsdSettingsMigrateEntry tablet_settings[] = {
+                { "is-absolute", "mapping", map_tablet_mapping },
+                { "keep-aspect", "keep-aspect", NULL },
+                { "rotation", "left-handed", map_tablet_left_handed },
+        };
+        gchar *old_path, *new_path;
+        const gchar *vendor, *product;
+
+        vendor = gdk_device_get_vendor_id (device);
+        product = gdk_device_get_product_id (device);
+
+        old_path = g_strdup_printf ("/org/gnome/settings-daemon/peripherals/wacom/%s-usb:%s:%s/",
+                                    manager->machine_id, vendor, product);
+        new_path = g_strdup_printf ("/org/gnome/desktop/peripherals/tablets/%s:%s/",
+                                    vendor, product);
+
+        gsd_settings_migrate_check ("org.gnome.settings-daemon.peripherals.wacom.deprecated",
+                                    old_path,
+                                    "org.gnome.desktop.peripherals.tablet",
+                                    new_path,
+                                    tablet_settings, G_N_ELEMENTS (tablet_settings));
+
+        /* Opaque tablets' mapping may be modified by users, so only these
+         * need migration of settings.
+         */
+        if (is_opaque_tablet (manager, device)) {
+                GsdSettingsMigrateEntry display_setting[] = {
+                        { "display", "output", NULL },
+                };
+
+                gsd_settings_migrate_check ("org.gnome.desktop.peripherals.tablet.deprecated",
+                                            new_path,
+                                            "org.gnome.desktop.peripherals.tablet",
+                                            new_path,
+                                            display_setting, G_N_ELEMENTS (display_setting));
+        }
+
+        g_free (old_path);
+        g_free (new_path);
+}
+
+static void
+gsd_wacom_manager_class_init (GsdWacomManagerClass *klass)
+{
+        GObjectClass   *object_class = G_OBJECT_CLASS (klass);
+
+        object_class->finalize = gsd_wacom_manager_finalize;
+}
+
+static gchar *
+get_device_path (GdkDevice *device)
+{
+#if HAVE_WAYLAND
+        if (gnome_settings_is_wayland ())
+                return g_strdup (gdk_wayland_device_get_node_path (device));
+        else
+#endif
+                return xdevice_get_device_node (gdk_x11_device_get_id (device));
+}
+
+static gboolean
+is_opaque_tablet (GsdWacomManager *manager,
+                  GdkDevice       *device)
+{
+        gboolean is_opaque = FALSE;
+#if HAVE_WACOM
+        WacomDevice *wacom_device;
+        gchar *devpath;
+
+        devpath = get_device_path (device);
+        wacom_device = libwacom_new_from_path (manager->wacom_db, devpath,
+                                               WFALLBACK_GENERIC, NULL);
+        if (wacom_device) {
+                WacomIntegrationFlags integration_flags;
+
+                integration_flags = libwacom_get_integration_flags (wacom_device);
+                is_opaque = (integration_flags &
+                             (WACOM_DEVICE_INTEGRATED_DISPLAY | WACOM_DEVICE_INTEGRATED_SYSTEM)) == 0;
+                libwacom_destroy (wacom_device);
+        }
+
+#endif
+        return is_opaque;
+}
+
+static GdkDevice *
+lookup_device_by_path (GsdWacomManager *manager,
+                       const gchar     *path)
+{
+        GList *devices, *l;
+
+        devices = gdk_seat_get_slaves (manager->seat,
+                                       GDK_SEAT_CAPABILITY_ALL);
+
+        for (l = devices; l; l = l->next) {
+                GdkDevice *device = l->data;
+                gchar *dev_path = get_device_path (device);
+
+                if (g_strcmp0 (dev_path, path) == 0) {
+                        g_free (dev_path);
+                        return device;
+                }
+
+                g_free (dev_path);
+        }
+
+        g_list_free (devices);
+
+        return NULL;
+}
+
+static GSettings *
+device_get_settings (GdkDevice *device)
+{
+        GSettings *settings;
+        gchar *path;
+
+        path = g_strdup_printf ("/org/gnome/desktop/peripherals/tablets/%s:%s/",
+                                gdk_device_get_vendor_id (device),
+                                gdk_device_get_product_id (device));
+        settings = g_settings_new_with_path ("org.gnome.desktop.peripherals.tablet",
+                                             path);
+        g_free (path);
+
+        return settings;
+}
+
+static void
+handle_method_call (GDBusConnection       *connection,
+                    const gchar           *sender,
+                    const gchar           *object_path,
+                    const gchar           *interface_name,
+                    const gchar           *method_name,
+                    GVariant              *parameters,
+                    GDBusMethodInvocation *invocation,
+                    gpointer               data)
+{
+	GsdWacomManager *self = GSD_WACOM_MANAGER (data);
+        GError *error = NULL;
+        GdkDevice *device;
+
+        if (g_strcmp0 (method_name, "SetOLEDLabels") == 0) {
+                gchar *device_path, *label;
+                gboolean left_handed;
+                GSettings *settings;
+                GVariantIter *iter;
+                gint i = 0;
+
+		g_variant_get (parameters, "(sas)", &device_path, &iter);
+                device = lookup_device_by_path (self, device_path);
+                if (!device) {
+                        g_dbus_method_invocation_return_value (invocation, NULL);
+                        return;
+                }
+
+                settings = device_get_settings (device);
+                left_handed = g_settings_get_boolean (settings, LEFT_HANDED_KEY);
+                g_object_unref (settings);
+
+                while (g_variant_iter_loop (iter, "s", &label)) {
+                        if (!set_oled (device_path, left_handed, i, label, &error)) {
+                                g_free (label);
+                                break;
+                        }
+                        i++;
+                }
+
+                g_variant_iter_free (iter);
+
+                if (error)
+                        g_dbus_method_invocation_return_gerror (invocation, error);
+                else
+                        g_dbus_method_invocation_return_value (invocation, NULL);
+        }
+}
+
+static const GDBusInterfaceVTable interface_vtable =
+{
+	handle_method_call,
+	NULL, /* Get Property */
+	NULL, /* Set Property */
+};
+
+static void
+device_added_cb (GdkSeat         *seat,
+                 GdkDevice       *device,
+                 GsdWacomManager *manager)
+{
+        if (gdk_device_get_source (device) == GDK_SOURCE_PEN &&
+            gdk_device_get_device_type (device) == GDK_DEVICE_TYPE_SLAVE) {
+                migrate_tablet_settings (manager, device);
+        }
+}
+
+static void
+add_devices (GsdWacomManager     *manager,
+             GdkSeatCapabilities  capabilities)
+{
+        GList *devices, *l;
+
+        devices = gdk_seat_get_slaves (manager->seat, capabilities);
+        for (l = devices; l ; l = l->next)
+		device_added_cb (manager->seat, l->data, manager);
+        g_list_free (devices);
+}
+
+static void
+set_devicepresence_handler (GsdWacomManager *manager)
+{
+        GdkSeat *seat;
+
+        seat = gdk_display_get_default_seat (gdk_display_get_default ());
+        manager->device_added_id = g_signal_connect (seat, "device-added",
+                                                           G_CALLBACK (device_added_cb), manager);
+        manager->seat = seat;
+}
+
+static void
+gsd_wacom_manager_init (GsdWacomManager *manager)
+{
+#if HAVE_WACOM
+        manager->wacom_db = libwacom_database_new ();
+#endif
+}
+
+static gboolean
+gsd_wacom_manager_idle_cb (GsdWacomManager *manager)
+{
+        gnome_settings_profile_start (NULL);
+
+        set_devicepresence_handler (manager);
+
+        add_devices (manager, GDK_SEAT_CAPABILITY_TABLET_STYLUS);
+
+        gnome_settings_profile_end (NULL);
+
+        manager->start_idle_id = 0;
+
+        return FALSE;
+}
+
+static void
+on_bus_gotten (GObject		   *source_object,
+	       GAsyncResult	   *res,
+	       GsdWacomManager	   *manager)
+{
+	GDBusConnection	       *connection;
+	GError		       *error = NULL;
+
+	connection = g_bus_get_finish (res, &error);
+
+	if (connection == NULL) {
+		if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
+			g_warning ("Couldn't get session bus: %s", error->message);
+		g_error_free (error);
+		return;
+	}
+
+	manager->dbus_connection = connection;
+	manager->dbus_register_object_id = g_dbus_connection_register_object (connection,
+									      GSD_WACOM_DBUS_PATH,
+									      manager->introspection_data->interfaces[0],
+									      &interface_vtable,
+									      manager,
+									      NULL,
+									      &error);
+
+	if (manager->dbus_register_object_id == 0) {
+		g_warning ("Error registering object: %s", error->message);
+		g_error_free (error);
+		return;
+	}
+
+        manager->name_id = g_bus_own_name_on_connection (connection,
+                                                         GSD_WACOM_DBUS_NAME,
+                                                         G_BUS_NAME_OWNER_FLAGS_NONE,
+                                                         NULL,
+                                                         NULL,
+                                                         NULL,
+                                                         NULL);
+}
+
+static void
+register_manager (GsdWacomManager *manager)
+{
+        manager->introspection_data = g_dbus_node_info_new_for_xml (introspection_xml, NULL);
+        manager->dbus_cancellable = g_cancellable_new ();
+        g_assert (manager->introspection_data != NULL);
+
+        g_bus_get (G_BUS_TYPE_SESSION,
+                   manager->dbus_cancellable,
+                   (GAsyncReadyCallback) on_bus_gotten,
+                   manager);
+}
+
+static gchar *
+get_machine_id (void)
+{
+        gchar *no_per_machine_file, *machine_id = NULL;
+        gboolean per_machine;
+        gsize len;
+
+        no_per_machine_file = g_build_filename (g_get_user_config_dir (), "gnome-settings-daemon", "no-per-machine-config", NULL);
+        per_machine = !g_file_test (no_per_machine_file, G_FILE_TEST_EXISTS);
+        g_free (no_per_machine_file);
+
+        if (!per_machine ||
+            (!g_file_get_contents ("/etc/machine-id", &machine_id, &len, NULL) &&
+             !g_file_get_contents ("/var/lib/dbus/machine-id", &machine_id, &len, NULL))) {
+                return g_strdup ("00000000000000000000000000000000");
+        }
+
+        machine_id[len - 1] = '\0';
+        return machine_id;
+}
+
+gboolean
+gsd_wacom_manager_start (GsdWacomManager *manager,
+                         GError         **error)
+{
+        gnome_settings_profile_start (NULL);
+
+        register_manager (manager_object);
+
+        manager->machine_id = get_machine_id ();
+
+        manager->start_idle_id = g_idle_add ((GSourceFunc) gsd_wacom_manager_idle_cb, manager);
+        g_source_set_name_by_id (manager->start_idle_id, "[gnome-settings-daemon] gsd_wacom_manager_idle_cb");
+
+        gnome_settings_profile_end (NULL);
+
+        return TRUE;
+}
+
+void
+gsd_wacom_manager_stop (GsdWacomManager *manager)
+{
+        g_debug ("Stopping wacom manager");
+
+        g_clear_pointer (&manager->machine_id, g_free);
+
+        if (manager->name_id != 0) {
+                g_bus_unown_name (manager->name_id);
+                manager->name_id = 0;
+        }
+
+        if (manager->dbus_register_object_id) {
+                g_dbus_connection_unregister_object (manager->dbus_connection,
+                                                     manager->dbus_register_object_id);
+                manager->dbus_register_object_id = 0;
+        }
+
+        if (manager->seat != NULL) {
+                g_signal_handler_disconnect (manager->seat, manager->device_added_id);
+                manager->seat = NULL;
+        }
+}
+
+static void
+gsd_wacom_manager_finalize (GObject *object)
+{
+        GsdWacomManager *wacom_manager;
+
+        g_return_if_fail (object != NULL);
+        g_return_if_fail (GSD_IS_WACOM_MANAGER (object));
+
+        wacom_manager = GSD_WACOM_MANAGER (object);
+
+        g_return_if_fail (wacom_manager != NULL);
+
+        gsd_wacom_manager_stop (wacom_manager);
+
+        if (wacom_manager->start_idle_id != 0)
+                g_source_remove (wacom_manager->start_idle_id);
+
+        g_clear_object (&wacom_manager->shell_proxy);
+
+#if HAVE_WACOM
+        libwacom_database_destroy (wacom_manager->wacom_db);
+#endif
+
+        G_OBJECT_CLASS (gsd_wacom_manager_parent_class)->finalize (object);
+}
+
+GsdWacomManager *
+gsd_wacom_manager_new (void)
+{
+        if (manager_object != NULL) {
+                g_object_ref (manager_object);
+        } else {
+                manager_object = g_object_new (GSD_TYPE_WACOM_MANAGER, NULL);
+                g_object_add_weak_pointer (manager_object,
+                                           (gpointer *) &manager_object);
+        }
+
+        return GSD_WACOM_MANAGER (manager_object);
+}