Merge pull request #3 from haxar/master

gsd to msd complete rename patch by NiceandGently

1 files changed, 1124 insertions, 0 deletions

diff --git a/plugins/mouse/msd-mouse-manager.c b/plugins/mouse/msd-mouse-manager.c
new file mode 100644
index 0000000..d7cb8e4
--- /dev/null
+++ b/plugins/mouse/msd-mouse-manager.c
@@ -0,0 +1,1124 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2007 William Jon McCann <[email protected]>
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ */
+
+#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 <math.h>
+
+#include <locale.h>
+
+#include <glib.h>
+#include <glib/gi18n.h>
+#include <gtk/gtk.h>
+#include <gdk/gdk.h>
+#include <gdk/gdkx.h>
+#include <gdk/gdkkeysyms.h>
+#include <X11/keysym.h>
+#include <X11/Xatom.h>
+
+#ifdef HAVE_X11_EXTENSIONS_XINPUT_H
+#include <X11/extensions/XInput.h>
+#include <X11/extensions/XIproto.h>
+#endif
+#include <mateconf/mateconf.h>
+#include <mateconf/mateconf-client.h>
+
+#include "mate-settings-profile.h"
+#include "msd-mouse-manager.h"
+
+#define MSD_MOUSE_MANAGER_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), MSD_TYPE_MOUSE_MANAGER, MsdMouseManagerPrivate))
+
+#define MATECONF_MOUSE_DIR         "/desktop/mate/peripherals/mouse"
+#define MATECONF_MOUSE_A11Y_DIR    "/desktop/mate/accessibility/mouse"
+#define MATECONF_TOUCHPAD_DIR      "/desktop/mate/peripherals/touchpad"
+
+#define KEY_LEFT_HANDED         MATECONF_MOUSE_DIR "/left_handed"
+#define KEY_MOTION_ACCELERATION MATECONF_MOUSE_DIR "/motion_acceleration"
+#define KEY_MOTION_THRESHOLD    MATECONF_MOUSE_DIR "/motion_threshold"
+#define KEY_LOCATE_POINTER      MATECONF_MOUSE_DIR "/locate_pointer"
+#define KEY_DWELL_ENABLE        MATECONF_MOUSE_A11Y_DIR "/dwell_enable"
+#define KEY_DELAY_ENABLE        MATECONF_MOUSE_A11Y_DIR "/delay_enable"
+#define KEY_TOUCHPAD_DISABLE_W_TYPING    MATECONF_TOUCHPAD_DIR "/disable_while_typing"
+#ifdef HAVE_X11_EXTENSIONS_XINPUT_H
+#define KEY_TAP_TO_CLICK        MATECONF_TOUCHPAD_DIR "/tap_to_click"
+#define KEY_SCROLL_METHOD       MATECONF_TOUCHPAD_DIR "/scroll_method"
+#define KEY_PAD_HORIZ_SCROLL    MATECONF_TOUCHPAD_DIR "/horiz_scroll_enabled"
+#define KEY_TOUCHPAD_ENABLED    MATECONF_TOUCHPAD_DIR "/touchpad_enabled"
+#endif
+
+struct MsdMouseManagerPrivate
+{
+        guint notify;
+        guint notify_a11y;
+        guint notify_touchpad;
+
+        gboolean mousetweaks_daemon_running;
+        gboolean syndaemon_spawned;
+        GPid syndaemon_pid;
+	gboolean locate_pointer_spawned;
+	GPid locate_pointer_pid;
+};
+
+static void     msd_mouse_manager_class_init  (MsdMouseManagerClass *klass);
+static void     msd_mouse_manager_init        (MsdMouseManager      *mouse_manager);
+static void     msd_mouse_manager_finalize    (GObject             *object);
+static void     set_mouse_settings            (MsdMouseManager      *manager);
+#ifdef HAVE_X11_EXTENSIONS_XINPUT_H
+static int      set_tap_to_click              (gboolean state, gboolean left_handed);
+static XDevice* device_is_touchpad            (XDeviceInfo deviceinfo);
+#endif
+
+G_DEFINE_TYPE (MsdMouseManager, msd_mouse_manager, G_TYPE_OBJECT)
+
+static gpointer manager_object = NULL;
+
+static void
+msd_mouse_manager_set_property (GObject        *object,
+                               guint           prop_id,
+                               const GValue   *value,
+                               GParamSpec     *pspec)
+{
+        MsdMouseManager *self;
+
+        self = MSD_MOUSE_MANAGER (object);
+
+        switch (prop_id) {
+        default:
+                G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+                break;
+        }
+}
+
+static void
+msd_mouse_manager_get_property (GObject        *object,
+                               guint           prop_id,
+                               GValue         *value,
+                               GParamSpec     *pspec)
+{
+        MsdMouseManager *self;
+
+        self = MSD_MOUSE_MANAGER (object);
+
+        switch (prop_id) {
+        default:
+                G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+                break;
+        }
+}
+
+static GObject *
+msd_mouse_manager_constructor (GType                  type,
+                              guint                  n_construct_properties,
+                              GObjectConstructParam *construct_properties)
+{
+        MsdMouseManager      *mouse_manager;
+        MsdMouseManagerClass *klass;
+
+        klass = MSD_MOUSE_MANAGER_CLASS (g_type_class_peek (MSD_TYPE_MOUSE_MANAGER));
+
+        mouse_manager = MSD_MOUSE_MANAGER (G_OBJECT_CLASS (msd_mouse_manager_parent_class)->constructor (type,
+                                                                                                      n_construct_properties,
+                                                                                                      construct_properties));
+
+        return G_OBJECT (mouse_manager);
+}
+
+static void
+msd_mouse_manager_dispose (GObject *object)
+{
+        MsdMouseManager *mouse_manager;
+
+        mouse_manager = MSD_MOUSE_MANAGER (object);
+
+        G_OBJECT_CLASS (msd_mouse_manager_parent_class)->dispose (object);
+}
+
+static void
+msd_mouse_manager_class_init (MsdMouseManagerClass *klass)
+{
+        GObjectClass   *object_class = G_OBJECT_CLASS (klass);
+
+        object_class->get_property = msd_mouse_manager_get_property;
+        object_class->set_property = msd_mouse_manager_set_property;
+        object_class->constructor = msd_mouse_manager_constructor;
+        object_class->dispose = msd_mouse_manager_dispose;
+        object_class->finalize = msd_mouse_manager_finalize;
+
+        g_type_class_add_private (klass, sizeof (MsdMouseManagerPrivate));
+}
+
+
+#ifdef HAVE_X11_EXTENSIONS_XINPUT_H
+static gboolean
+supports_xinput_devices (void)
+{
+        gint op_code, event, error;
+
+        return XQueryExtension (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()),
+                                "XInputExtension",
+                                &op_code,
+                                &event,
+                                &error);
+}
+#endif
+
+static void
+configure_button_layout (guchar   *buttons,
+                         gint      n_buttons,
+                         gboolean  left_handed)
+{
+        const gint left_button = 1;
+        gint right_button;
+        gint i;
+
+        /* if the button is higher than 2 (3rd button) then it's
+         * probably one direction of a scroll wheel or something else
+         * uninteresting
+         */
+        right_button = MIN (n_buttons, 3);
+
+        /* If we change things we need to make sure we only swap buttons.
+         * If we end up with multiple physical buttons assigned to the same
+         * logical button the server will complain. This code assumes physical
+         * button 0 is the physical left mouse button, and that the physical
+         * button other than 0 currently assigned left_button or right_button
+         * is the physical right mouse button.
+         */
+
+        /* check if the current mapping satisfies the above assumptions */
+        if (buttons[left_button - 1] != left_button &&
+            buttons[left_button - 1] != right_button)
+                /* The current mapping is weird. Swapping buttons is probably not a
+                 * good idea.
+                 */
+                return;
+
+        /* check if we are left_handed and currently not swapped */
+        if (left_handed && buttons[left_button - 1] == left_button) {
+                /* find the right button */
+                for (i = 0; i < n_buttons; i++) {
+                        if (buttons[i] == right_button) {
+                                buttons[i] = left_button;
+                                break;
+                        }
+                }
+                /* swap the buttons */
+                buttons[left_button - 1] = right_button;
+        }
+        /* check if we are not left_handed but are swapped */
+        else if (!left_handed && buttons[left_button - 1] == right_button) {
+                /* find the right button */
+                for (i = 0; i < n_buttons; i++) {
+                        if (buttons[i] == left_button) {
+                                buttons[i] = right_button;
+                                break;
+                        }
+                }
+                /* swap the buttons */
+                buttons[left_button - 1] = left_button;
+        }
+}
+
+#ifdef HAVE_X11_EXTENSIONS_XINPUT_H
+static gboolean
+xinput_device_has_buttons (XDeviceInfo *device_info)
+{
+        int i;
+        XAnyClassInfo *class_info;
+
+        class_info = device_info->inputclassinfo;
+        for (i = 0; i < device_info->num_classes; i++) {
+                if (class_info->class == ButtonClass) {
+                        XButtonInfo *button_info;
+
+                        button_info = (XButtonInfo *) class_info;
+                        if (button_info->num_buttons > 0)
+                                return TRUE;
+                }
+
+                class_info = (XAnyClassInfo *) (((guchar *) class_info) +
+                                                class_info->length);
+        }
+        return FALSE;
+}
+
+static gboolean
+touchpad_has_single_button (XDevice *device)
+{
+        Atom type, prop;
+        int format;
+        unsigned long nitems, bytes_after;
+        unsigned char *data;
+        gboolean is_single_button = FALSE;
+        int rc;
+
+        prop = XInternAtom (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), "Synaptics Capabilities", False);
+        if (!prop)
+                return FALSE;
+
+        gdk_error_trap_push ();
+        rc = XGetDeviceProperty (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), device, prop, 0, 1, False,
+                                XA_INTEGER, &type, &format, &nitems,
+                                &bytes_after, &data);
+        if (rc == Success && type == XA_INTEGER && format == 8 && nitems >= 3)
+                is_single_button = (data[0] == 1 && data[1] == 0 && data[2] == 0);
+
+        if (rc == Success)
+                XFree (data);
+
+        gdk_error_trap_pop ();
+
+        return is_single_button;
+}
+
+
+static void
+set_xinput_devices_left_handed (gboolean left_handed)
+{
+        XDeviceInfo *device_info;
+        gint n_devices;
+        guchar *buttons;
+        gsize buttons_capacity = 16;
+        gint n_buttons;
+        gint i;
+
+        device_info = XListInputDevices (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), &n_devices);
+
+        if (n_devices > 0)
+                buttons = g_new (guchar, buttons_capacity);
+        else
+                buttons = NULL;
+
+        for (i = 0; i < n_devices; i++) {
+                XDevice *device = NULL;
+
+                if ((device_info[i].use == IsXPointer) ||
+                    (device_info[i].use == IsXKeyboard) ||
+                    (!xinput_device_has_buttons (&device_info[i])))
+                        continue;
+
+                /* If the device is a touchpad, swap tap buttons
+                 * around too, otherwise a tap would be a right-click */
+                device = device_is_touchpad (device_info[i]);
+                if (device != NULL) {
+                        MateConfClient *client = mateconf_client_get_default ();
+                        gboolean tap = mateconf_client_get_bool (client, KEY_TAP_TO_CLICK, NULL);
+                        gboolean single_button = touchpad_has_single_button (device);
+
+                        if (tap && !single_button)
+                                set_tap_to_click (tap, left_handed);
+                        XCloseDevice (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), device);
+                        g_object_unref (client);
+
+                        if (single_button)
+                            continue;
+                }
+
+                gdk_error_trap_push ();
+
+                device = XOpenDevice (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), device_info[i].id);
+
+                if ((gdk_error_trap_pop () != 0) ||
+                    (device == NULL))
+                        continue;
+
+                n_buttons = XGetDeviceButtonMapping (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), device,
+                                                     buttons,
+                                                     buttons_capacity);
+
+                while (n_buttons > buttons_capacity) {
+                        buttons_capacity = n_buttons;
+                        buttons = (guchar *) g_realloc (buttons,
+                                                        buttons_capacity * sizeof (guchar));
+
+                        n_buttons = XGetDeviceButtonMapping (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), device,
+                                                             buttons,
+                                                             buttons_capacity);
+                }
+
+                configure_button_layout (buttons, n_buttons, left_handed);
+
+                XSetDeviceButtonMapping (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), device, buttons, n_buttons);
+                XCloseDevice (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), device);
+        }
+        g_free (buttons);
+
+        if (device_info != NULL)
+                XFreeDeviceList (device_info);
+}
+
+static GdkFilterReturn
+devicepresence_filter (GdkXEvent *xevent,
+                       GdkEvent  *event,
+                       gpointer   data)
+{
+        XEvent *xev = (XEvent *) xevent;
+        XEventClass class_presence;
+        int xi_presence;
+
+        DevicePresence (gdk_x11_get_default_xdisplay (), xi_presence, class_presence);
+
+        if (xev->type == xi_presence)
+        {
+            XDevicePresenceNotifyEvent *dpn = (XDevicePresenceNotifyEvent *) xev;
+            if (dpn->devchange == DeviceEnabled)
+                set_mouse_settings ((MsdMouseManager *) data);
+        }
+        return GDK_FILTER_CONTINUE;
+}
+
+static void
+set_devicepresence_handler (MsdMouseManager *manager)
+{
+        Display *display;
+        XEventClass class_presence;
+        int xi_presence;
+
+        if (!supports_xinput_devices ())
+                return;
+
+        display = gdk_x11_get_default_xdisplay ();
+
+        gdk_error_trap_push ();
+        DevicePresence (display, xi_presence, class_presence);
+        XSelectExtensionEvent (display,
+                               RootWindow (display, DefaultScreen (display)),
+                               &class_presence, 1);
+
+        gdk_flush ();
+        if (!gdk_error_trap_pop ())
+                gdk_window_add_filter (NULL, devicepresence_filter, manager);
+}
+#endif
+
+static void
+set_left_handed (MsdMouseManager *manager,
+                 gboolean         left_handed)
+{
+        guchar *buttons ;
+        gsize buttons_capacity = 16;
+        gint n_buttons, i;
+
+#ifdef HAVE_X11_EXTENSIONS_XINPUT_H
+        if (supports_xinput_devices ()) {
+                /* When XInput support is available, never set the
+                 * button ordering on the core pointer as that would
+                 * revert the changes we make on the devices themselves */
+                set_xinput_devices_left_handed (left_handed);
+                return;
+        }
+#endif
+
+        buttons = g_new (guchar, buttons_capacity);
+        n_buttons = XGetPointerMapping (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()),
+                                        buttons,
+                                        (gint) buttons_capacity);
+        while (n_buttons > buttons_capacity) {
+                buttons_capacity = n_buttons;
+                buttons = (guchar *) g_realloc (buttons,
+                                                buttons_capacity * sizeof (guchar));
+
+                n_buttons = XGetPointerMapping (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()),
+                                                buttons,
+                                                (gint) buttons_capacity);
+        }
+
+        configure_button_layout (buttons, n_buttons, left_handed);
+
+        /* X refuses to change the mapping while buttons are engaged,
+         * so if this is the case we'll retry a few times
+         */
+        for (i = 0;
+             i < 20 && XSetPointerMapping (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), buttons, n_buttons) == MappingBusy;
+             ++i) {
+                g_usleep (300);
+        }
+
+        g_free (buttons);
+}
+
+static void
+set_motion_acceleration (MsdMouseManager *manager,
+                         gfloat           motion_acceleration)
+{
+        gint numerator, denominator;
+
+        if (motion_acceleration >= 1.0) {
+                /* we want to get the acceleration, with a resolution of 0.5
+                 */
+                if ((motion_acceleration - floor (motion_acceleration)) < 0.25) {
+                        numerator = floor (motion_acceleration);
+                        denominator = 1;
+                } else if ((motion_acceleration - floor (motion_acceleration)) < 0.5) {
+                        numerator = ceil (2.0 * motion_acceleration);
+                        denominator = 2;
+                } else if ((motion_acceleration - floor (motion_acceleration)) < 0.75) {
+                        numerator = floor (2.0 *motion_acceleration);
+                        denominator = 2;
+                } else {
+                        numerator = ceil (motion_acceleration);
+                        denominator = 1;
+                }
+        } else if (motion_acceleration < 1.0 && motion_acceleration > 0) {
+                /* This we do to 1/10ths */
+                numerator = floor (motion_acceleration * 10) + 1;
+                denominator= 10;
+        } else {
+                numerator = -1;
+                denominator = -1;
+        }
+
+        XChangePointerControl (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), True, False,
+                               numerator, denominator,
+                               0);
+}
+
+static void
+set_motion_threshold (MsdMouseManager *manager,
+                      int              motion_threshold)
+{
+        XChangePointerControl (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), False, True,
+                               0, 0, motion_threshold);
+}
+
+#ifdef HAVE_X11_EXTENSIONS_XINPUT_H
+static XDevice*
+device_is_touchpad (XDeviceInfo deviceinfo)
+{
+        XDevice *device;
+        Atom realtype, prop;
+        int realformat;
+        unsigned long nitems, bytes_after;
+        unsigned char *data;
+
+        if (deviceinfo.type != XInternAtom (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), XI_TOUCHPAD, False))
+                return NULL;
+
+        prop = XInternAtom (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), "Synaptics Off", False);
+        if (!prop)
+                return NULL;
+
+        gdk_error_trap_push ();
+        device = XOpenDevice (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), deviceinfo.id);
+        if (gdk_error_trap_pop () || (device == NULL))
+                return NULL;
+
+        gdk_error_trap_push ();
+        if ((XGetDeviceProperty (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), device, prop, 0, 1, False,
+                                XA_INTEGER, &realtype, &realformat, &nitems,
+                                &bytes_after, &data) == Success) && (realtype != None)) {
+                gdk_error_trap_pop ();
+                XFree (data);
+                return device;
+        }
+        gdk_error_trap_pop ();
+
+        XCloseDevice (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), device);
+        return NULL;
+}
+#endif
+
+static int
+set_disable_w_typing (MsdMouseManager *manager, gboolean state)
+{
+
+        if (state) {
+                GError *error = NULL;
+                char *args[5];
+
+                if (manager->priv->syndaemon_spawned)
+                        return 0;
+
+                args[0] = "syndaemon";
+                args[1] = "-i";
+                args[2] = "0.5";
+                args[3] = "-k";
+                args[4] = NULL;
+
+                if (!g_find_program_in_path (args[0]))
+                        return 0;
+
+                g_spawn_async (g_get_home_dir (), args, NULL,
+                                G_SPAWN_SEARCH_PATH, NULL, NULL,
+                                &manager->priv->syndaemon_pid, &error);
+
+                manager->priv->syndaemon_spawned = (error == NULL);
+
+                if (error) {
+                        MateConfClient *client;
+                        client = mateconf_client_get_default ();
+                        mateconf_client_set_bool (client, KEY_TOUCHPAD_DISABLE_W_TYPING, FALSE, NULL);
+                        g_object_unref (client);
+                        g_error_free (error);
+                }
+
+        } else if (manager->priv->syndaemon_spawned)
+        {
+                kill (manager->priv->syndaemon_pid, SIGHUP);
+                g_spawn_close_pid (manager->priv->syndaemon_pid);
+                manager->priv->syndaemon_spawned = FALSE;
+        }
+
+        return 0;
+}
+
+#ifdef HAVE_X11_EXTENSIONS_XINPUT_H
+static int
+set_tap_to_click (gboolean state, gboolean left_handed)
+{
+        int numdevices, i, format, rc;
+        unsigned long nitems, bytes_after;
+        XDeviceInfo *devicelist = XListInputDevices (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), &numdevices);
+        XDevice * device;
+        unsigned char* data;
+        Atom prop, type;
+
+        if (devicelist == NULL)
+                return 0;
+
+        prop = XInternAtom (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), "Synaptics Tap Action", False);
+
+        if (!prop)
+                return 0;
+
+        for (i = 0; i < numdevices; i++) {
+                if ((device = device_is_touchpad (devicelist[i]))) {
+                        gdk_error_trap_push ();
+                        rc = XGetDeviceProperty (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), device, prop, 0, 2,
+                                                False, XA_INTEGER, &type, &format, &nitems,
+                                                &bytes_after, &data);
+
+                        if (rc == Success && type == XA_INTEGER && format == 8 && nitems >= 7)
+                        {
+                                /* Set RLM mapping for 1/2/3 fingers*/
+                                data[4] = (state) ? ((left_handed) ? 3 : 1) : 0;
+                                data[5] = (state) ? ((left_handed) ? 1 : 3) : 0;
+                                data[6] = (state) ? 2 : 0;
+                                XChangeDeviceProperty (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), device, prop, XA_INTEGER, 8,
+                                                        PropModeReplace, data, nitems);
+                        }
+
+                        if (rc == Success)
+                                XFree (data);
+                        XCloseDevice (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), device);
+                        if (gdk_error_trap_pop ()) {
+                                g_warning ("Error in setting tap to click on \"%s\"", devicelist[i].name);
+                                continue;
+                        }
+                }
+        }
+
+        XFreeDeviceList (devicelist);
+        return 0;
+}
+
+static int
+set_horiz_scroll (gboolean state)
+{
+        int numdevices, i, rc;
+        XDeviceInfo *devicelist = XListInputDevices (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), &numdevices);
+        XDevice *device;
+        Atom act_type, prop_edge, prop_twofinger;
+        int act_format;
+        unsigned long nitems, bytes_after;
+        unsigned char *data;
+
+        if (devicelist == NULL)
+                return 0;
+
+        prop_edge = XInternAtom (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), "Synaptics Edge Scrolling", False);
+        prop_twofinger = XInternAtom (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), "Synaptics Two-Finger Scrolling", False);
+
+        if (!prop_edge || !prop_twofinger)
+                return 0;
+
+        for (i = 0; i < numdevices; i++) {
+                if ((device = device_is_touchpad (devicelist[i]))) {
+                        gdk_error_trap_push ();
+                        rc = XGetDeviceProperty (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), device,
+                                                prop_edge, 0, 1, False,
+                                                XA_INTEGER, &act_type, &act_format, &nitems,
+                                                &bytes_after, &data);
+                        if (rc == Success && act_type == XA_INTEGER &&
+                                act_format == 8 && nitems >= 2) {
+                                data[1] = (state && data[0]);
+                                XChangeDeviceProperty (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), device,
+                                                        prop_edge, XA_INTEGER, 8,
+                                                        PropModeReplace, data, nitems);
+                        }
+
+                        XFree (data);
+
+                        rc = XGetDeviceProperty (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), device,
+                                                prop_twofinger, 0, 1, False,
+                                                XA_INTEGER, &act_type, &act_format, &nitems,
+                                                &bytes_after, &data);
+                        if (rc == Success && act_type == XA_INTEGER &&
+                                act_format == 8 && nitems >= 2) {
+                                data[1] = (state && data[0]);
+                                XChangeDeviceProperty (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), device,
+                                                        prop_twofinger, XA_INTEGER, 8,
+                                                        PropModeReplace, data, nitems);
+                        }
+
+                        XFree (data);
+                        XCloseDevice (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), device);
+                        if (gdk_error_trap_pop ()) {
+                                g_warning ("Error in setting horiz scroll on \"%s\"", devicelist[i].name);
+                                continue;
+                        }
+                }
+        }
+
+        XFreeDeviceList (devicelist);
+        return 0;
+}
+
+
+/**
+ * Scroll methods are: 0 - disabled, 1 - edge scrolling, 2 - twofinger
+ * scrolling
+ */
+static int
+set_edge_scroll (int method)
+{
+        int numdevices, i, rc;
+        XDeviceInfo *devicelist = XListInputDevices (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), &numdevices);
+        XDevice *device;
+        Atom act_type, prop_edge, prop_twofinger;
+        int act_format;
+        unsigned long nitems, bytes_after;
+        unsigned char *data;
+
+        if (devicelist == NULL)
+                return 0;
+
+        prop_edge = XInternAtom (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), "Synaptics Edge Scrolling", False);
+        prop_twofinger = XInternAtom (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), "Synaptics Two-Finger Scrolling", False);
+
+        if (!prop_edge || !prop_twofinger)
+                return 0;
+
+        for (i = 0; i < numdevices; i++) {
+                if ((device = device_is_touchpad (devicelist[i]))) {
+                        gdk_error_trap_push ();
+                        rc = XGetDeviceProperty (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), device,
+                                                prop_edge, 0, 1, False,
+                                                XA_INTEGER, &act_type, &act_format, &nitems,
+                                                &bytes_after, &data);
+                        if (rc == Success && act_type == XA_INTEGER &&
+                                act_format == 8 && nitems >= 2) {
+                                data[0] = (method == 1) ? 1 : 0;
+                                XChangeDeviceProperty (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), device,
+                                                        prop_edge, XA_INTEGER, 8,
+                                                        PropModeReplace, data, nitems);
+                        }
+
+                        XFree (data);
+
+                        rc = XGetDeviceProperty (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), device,
+                                                prop_twofinger, 0, 1, False,
+                                                XA_INTEGER, &act_type, &act_format, &nitems,
+                                                &bytes_after, &data);
+                        if (rc == Success && act_type == XA_INTEGER &&
+                                act_format == 8 && nitems >= 2) {
+                                data[0] = (method == 2) ? 1 : 0;
+                                XChangeDeviceProperty (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), device,
+                                                        prop_twofinger, XA_INTEGER, 8,
+                                                        PropModeReplace, data, nitems);
+                        }
+
+                        XFree (data);
+                        XCloseDevice (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), device);
+                        if (gdk_error_trap_pop ()) {
+                                g_warning ("Error in setting edge scroll on \"%s\"", devicelist[i].name);
+                                continue;
+                        }
+                }
+        }
+
+        XFreeDeviceList (devicelist);
+        return 0;
+}
+
+static int
+set_touchpad_enabled (gboolean state)
+{
+        int numdevices, i;
+        XDeviceInfo *devicelist = XListInputDevices (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), &numdevices);
+        XDevice *device;
+        Atom prop_enabled;
+
+        if (devicelist == NULL)
+                return 0;
+
+        prop_enabled = XInternAtom (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), "Device Enabled", False);
+
+        if (!prop_enabled)
+            return 0;
+
+        for (i = 0; i < numdevices; i++) {
+                if ((device = device_is_touchpad (devicelist[i]))) {
+                        unsigned char data = state;
+                        gdk_error_trap_push ();
+                        XChangeDeviceProperty (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), device,
+                                               prop_enabled, XA_INTEGER, 8,
+                                               PropModeReplace, &data, 1);
+                        XCloseDevice (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), device);
+                        gdk_flush ();
+                        if (gdk_error_trap_pop ()) {
+                                g_warning ("Error %s device \"%s\"",
+                                           (state) ? "enabling" : "disabling",
+                                           devicelist[i].name);
+                                continue;
+                        }
+                }
+        }
+
+        XFreeDeviceList (devicelist);
+        return 0;
+}
+#endif
+
+static void
+set_locate_pointer (MsdMouseManager *manager,
+                    gboolean         state)
+{
+        if (state) {
+                GError *error = NULL;
+                char *args[2];
+
+                if (manager->priv->locate_pointer_spawned)
+                        return;
+
+                args[0] = LIBEXECDIR "/msd-locate-pointer";
+                args[1] = NULL;
+
+                g_spawn_async (NULL, args, NULL,
+                               0, NULL, NULL,
+                               &manager->priv->locate_pointer_pid, &error);
+
+                manager->priv->locate_pointer_spawned = (error == NULL);
+
+                if (error) {
+                        MateConfClient *client;
+                        client = mateconf_client_get_default ();
+                        mateconf_client_set_bool (client, KEY_LOCATE_POINTER, FALSE, NULL);
+                        g_object_unref (client);
+                        g_error_free (error);
+                }
+
+        }
+	else if (manager->priv->locate_pointer_spawned) {
+                kill (manager->priv->locate_pointer_pid, SIGHUP);
+                g_spawn_close_pid (manager->priv->locate_pointer_pid);
+                manager->priv->locate_pointer_spawned = FALSE;
+        }
+}
+
+static void
+set_mousetweaks_daemon (MsdMouseManager *manager,
+                        gboolean         dwell_enable,
+                        gboolean         delay_enable)
+{
+        GError *error = NULL;
+        gchar *comm;
+        gboolean run_daemon = dwell_enable || delay_enable;
+
+        if (run_daemon || manager->priv->mousetweaks_daemon_running)
+                comm = g_strdup_printf ("mousetweaks %s",
+                                        run_daemon ? "" : "-s");
+        else
+                return;
+
+        if (run_daemon)
+                manager->priv->mousetweaks_daemon_running = TRUE;
+
+
+        if (! g_spawn_command_line_async (comm, &error)) {
+                if (error->code == G_SPAWN_ERROR_NOENT &&
+                    (dwell_enable || delay_enable)) {
+                        GtkWidget *dialog;
+                        MateConfClient *client;
+
+                        client = mateconf_client_get_default ();
+                        if (dwell_enable)
+                                mateconf_client_set_bool (client,
+                                                       KEY_DWELL_ENABLE,
+                                                       FALSE, NULL);
+                        else if (delay_enable)
+                                mateconf_client_set_bool (client,
+                                                       KEY_DELAY_ENABLE,
+                                                       FALSE, NULL);
+                        g_object_unref (client);
+
+                        dialog = gtk_message_dialog_new (NULL, 0,
+                                                         GTK_MESSAGE_WARNING,
+                                                         GTK_BUTTONS_OK,
+                                                         _("Could not enable mouse accessibility features"));
+                        gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
+                                                                  _("Mouse accessibility requires Mousetweaks "
+                                                                    "to be installed on your system."));
+                        gtk_window_set_title (GTK_WINDOW (dialog),
+                                              _("Mouse Preferences"));
+                        gtk_window_set_icon_name (GTK_WINDOW (dialog),
+                                                  "input-mouse");
+                        gtk_dialog_run (GTK_DIALOG (dialog));
+                        gtk_widget_destroy (dialog);
+                }
+                g_error_free (error);
+        }
+        g_free (comm);
+}
+
+static void
+set_mouse_settings (MsdMouseManager *manager)
+{
+        MateConfClient *client = mateconf_client_get_default ();
+        gboolean left_handed = mateconf_client_get_bool (client, KEY_LEFT_HANDED, NULL);
+
+        set_left_handed (manager, left_handed);
+        set_motion_acceleration (manager, mateconf_client_get_float (client, KEY_MOTION_ACCELERATION , NULL));
+        set_motion_threshold (manager, mateconf_client_get_int (client, KEY_MOTION_THRESHOLD, NULL));
+
+        set_disable_w_typing (manager, mateconf_client_get_bool (client, KEY_TOUCHPAD_DISABLE_W_TYPING, NULL));
+#ifdef HAVE_X11_EXTENSIONS_XINPUT_H
+        set_tap_to_click (mateconf_client_get_bool (client, KEY_TAP_TO_CLICK, NULL), left_handed);
+        set_edge_scroll (mateconf_client_get_int (client, KEY_SCROLL_METHOD, NULL));
+        set_horiz_scroll (mateconf_client_get_bool (client, KEY_PAD_HORIZ_SCROLL, NULL));
+        set_touchpad_enabled (mateconf_client_get_bool (client, KEY_TOUCHPAD_ENABLED, NULL));
+#endif
+
+        g_object_unref (client);
+}
+
+static void
+mouse_callback (MateConfClient        *client,
+                guint               cnxn_id,
+                MateConfEntry         *entry,
+                MsdMouseManager    *manager)
+{
+        if (! strcmp (entry->key, KEY_LEFT_HANDED)) {
+                if (entry->value->type == MATECONF_VALUE_BOOL) {
+                        set_left_handed (manager, mateconf_value_get_bool (entry->value));
+                }
+        } else if (! strcmp (entry->key, KEY_MOTION_ACCELERATION)) {
+                if (entry->value->type == MATECONF_VALUE_FLOAT) {
+                        set_motion_acceleration (manager, mateconf_value_get_float (entry->value));
+                }
+        } else if (! strcmp (entry->key, KEY_MOTION_THRESHOLD)) {
+                if (entry->value->type == MATECONF_VALUE_INT) {
+                        set_motion_threshold (manager, mateconf_value_get_int (entry->value));
+                }
+        } else if (! strcmp (entry->key, KEY_TOUCHPAD_DISABLE_W_TYPING)) {
+                if (entry->value->type == MATECONF_VALUE_BOOL)
+                        set_disable_w_typing (manager, mateconf_value_get_bool (entry->value));
+#ifdef HAVE_X11_EXTENSIONS_XINPUT_H
+        } else if (! strcmp (entry->key, KEY_TAP_TO_CLICK)) {
+                if (entry->value->type == MATECONF_VALUE_BOOL) {
+                        set_tap_to_click (mateconf_value_get_bool (entry->value),
+                                          mateconf_client_get_bool (client, KEY_LEFT_HANDED, NULL));
+                }
+        } else if (! strcmp (entry->key, KEY_SCROLL_METHOD)) {
+                if (entry->value->type == MATECONF_VALUE_INT) {
+                        set_edge_scroll (mateconf_value_get_int (entry->value));
+                        set_horiz_scroll (mateconf_client_get_bool (client, KEY_PAD_HORIZ_SCROLL, NULL));
+                }
+        } else if (! strcmp (entry->key, KEY_PAD_HORIZ_SCROLL)) {
+                if (entry->value->type == MATECONF_VALUE_BOOL)
+                        set_horiz_scroll (mateconf_value_get_bool (entry->value));
+#endif
+        } else if (! strcmp (entry->key, KEY_LOCATE_POINTER)) {
+                if (entry->value->type == MATECONF_VALUE_BOOL) {
+                        set_locate_pointer (manager, mateconf_value_get_bool (entry->value));
+                }
+#ifdef HAVE_X11_EXTENSIONS_XINPUT_H
+        } else if (! strcmp (entry->key, KEY_TOUCHPAD_ENABLED)) {
+                if (entry->value->type == MATECONF_VALUE_BOOL) {
+                    set_touchpad_enabled (mateconf_value_get_bool (entry->value));
+                }
+#endif
+        } else if (! strcmp (entry->key, KEY_DWELL_ENABLE)) {
+                if (entry->value->type == MATECONF_VALUE_BOOL) {
+                        set_mousetweaks_daemon (manager,
+                                                mateconf_value_get_bool (entry->value),
+                                                mateconf_client_get_bool (client, KEY_DELAY_ENABLE, NULL));
+                }
+        } else if (! strcmp (entry->key, KEY_DELAY_ENABLE)) {
+                if (entry->value->type == MATECONF_VALUE_BOOL) {
+                        set_mousetweaks_daemon (manager,
+                                                mateconf_client_get_bool (client, KEY_DWELL_ENABLE, NULL),
+                                                mateconf_value_get_bool (entry->value));
+                }
+        }
+}
+
+static guint
+register_config_callback (MsdMouseManager         *manager,
+                          MateConfClient             *client,
+                          const char              *path,
+                          MateConfClientNotifyFunc    func)
+{
+        mateconf_client_add_dir (client, path, MATECONF_CLIENT_PRELOAD_ONELEVEL, NULL);
+        return mateconf_client_notify_add (client, path, func, manager, NULL, NULL);
+}
+
+static void
+msd_mouse_manager_init (MsdMouseManager *manager)
+{
+        manager->priv = MSD_MOUSE_MANAGER_GET_PRIVATE (manager);
+}
+
+static gboolean
+msd_mouse_manager_idle_cb (MsdMouseManager *manager)
+{
+        MateConfClient *client;
+
+        mate_settings_profile_start (NULL);
+
+        client = mateconf_client_get_default ();
+
+        manager->priv->notify =
+                register_config_callback (manager,
+                                          client,
+                                          MATECONF_MOUSE_DIR,
+                                          (MateConfClientNotifyFunc) mouse_callback);
+        manager->priv->notify_a11y =
+                register_config_callback (manager,
+                                          client,
+                                          MATECONF_MOUSE_A11Y_DIR,
+                                          (MateConfClientNotifyFunc) mouse_callback);
+        manager->priv->notify_touchpad =
+                register_config_callback (manager,
+                                          client,
+                                          MATECONF_TOUCHPAD_DIR,
+                                          (MateConfClientNotifyFunc) mouse_callback);
+        manager->priv->syndaemon_spawned = FALSE;
+
+#ifdef HAVE_X11_EXTENSIONS_XINPUT_H
+        set_devicepresence_handler (manager);
+#endif
+        set_mouse_settings (manager);
+        set_locate_pointer (manager, mateconf_client_get_bool (client, KEY_LOCATE_POINTER, NULL));
+        set_mousetweaks_daemon (manager,
+                                mateconf_client_get_bool (client, KEY_DWELL_ENABLE, NULL),
+                                mateconf_client_get_bool (client, KEY_DELAY_ENABLE, NULL));
+
+        set_disable_w_typing (manager, mateconf_client_get_bool (client, KEY_TOUCHPAD_DISABLE_W_TYPING, NULL));
+#ifdef HAVE_X11_EXTENSIONS_XINPUT_H
+        set_tap_to_click (mateconf_client_get_bool (client, KEY_TAP_TO_CLICK, NULL),
+                          mateconf_client_get_bool (client, KEY_LEFT_HANDED, NULL));
+        set_edge_scroll (mateconf_client_get_int (client, KEY_SCROLL_METHOD, NULL));
+        set_horiz_scroll (mateconf_client_get_bool (client, KEY_PAD_HORIZ_SCROLL, NULL));
+        set_touchpad_enabled (mateconf_client_get_bool (client, KEY_TOUCHPAD_ENABLED, NULL));
+#endif
+
+        g_object_unref (client);
+
+        mate_settings_profile_end (NULL);
+
+        return FALSE;
+}
+
+gboolean
+msd_mouse_manager_start (MsdMouseManager *manager,
+                         GError         **error)
+{
+        mate_settings_profile_start (NULL);
+
+        g_idle_add ((GSourceFunc) msd_mouse_manager_idle_cb, manager);
+
+        mate_settings_profile_end (NULL);
+
+        return TRUE;
+}
+
+void
+msd_mouse_manager_stop (MsdMouseManager *manager)
+{
+        MsdMouseManagerPrivate *p = manager->priv;
+        MateConfClient *client;
+
+        g_debug ("Stopping mouse manager");
+
+        client = mateconf_client_get_default ();
+
+        if (p->notify != 0) {
+                mateconf_client_remove_dir (client, MATECONF_MOUSE_DIR, NULL);
+                mateconf_client_notify_remove (client, p->notify);
+                p->notify = 0;
+        }
+
+        if (p->notify_a11y != 0) {
+                mateconf_client_remove_dir (client, MATECONF_MOUSE_A11Y_DIR, NULL);
+                mateconf_client_notify_remove (client, p->notify_a11y);
+                p->notify_a11y = 0;
+        }
+
+        if (p->notify_touchpad != 0) {
+                mateconf_client_remove_dir (client, MATECONF_TOUCHPAD_DIR, NULL);
+                mateconf_client_notify_remove (client, p->notify_touchpad);
+                p->notify_touchpad = 0;
+        }
+
+        g_object_unref (client);
+
+        set_locate_pointer (manager, FALSE);
+
+#ifdef HAVE_X11_EXTENSIONS_XINPUT_H
+        gdk_window_remove_filter (NULL, devicepresence_filter, manager);
+#endif
+}
+
+static void
+msd_mouse_manager_finalize (GObject *object)
+{
+        MsdMouseManager *mouse_manager;
+
+        g_return_if_fail (object != NULL);
+        g_return_if_fail (MSD_IS_MOUSE_MANAGER (object));
+
+        mouse_manager = MSD_MOUSE_MANAGER (object);
+
+        g_return_if_fail (mouse_manager->priv != NULL);
+
+        G_OBJECT_CLASS (msd_mouse_manager_parent_class)->finalize (object);
+}
+
+MsdMouseManager *
+msd_mouse_manager_new (void)
+{
+        if (manager_object != NULL) {
+                g_object_ref (manager_object);
+        } else {
+                manager_object = g_object_new (MSD_TYPE_MOUSE_MANAGER, NULL);
+                g_object_add_weak_pointer (manager_object,
+                                           (gpointer *) &manager_object);
+        }
+
+        return MSD_MOUSE_MANAGER (manager_object);
+}