Force current caribou to use new settings code. Might still be buggy.

5 files changed, 181 insertions, 1262 deletions

diff --git a/caribou/common/const.py b/caribou/common/const.py
index ecb61da..3ae91e8 100644
--- a/caribou/common/const.py
+++ b/caribou/common/const.py
@@ -22,7 +22,6 @@
 from os.path import join
 from os.path import dirname
 
-import gtk
 from caribou import data_path
 
 # Application name
@@ -34,7 +33,7 @@ DATA_DIR = data_path
 KEYBOARDS_DIR = join(DATA_DIR, 'keyboards')
 
 # Preferences
-CARIBOU_GCONF = join('/apps', 'caribou', 'osk')
+CARIBOU_GCONF = '/apps/caribou/osk'
 
 # Key types
 NORMAL_KEY_TYPE = 'normal'
@@ -42,39 +41,3 @@ LAYOUT_SWITCHER_KEY_TYPE = 'layout_switcher'
 PREFERENCES_KEY_TYPE = 'preferences'
 DUMMY_KEY_TYPE = 'dummy'
 MASK_KEY_TYPE = 'mask'
-
-KEY_MASKS = {'shift': gtk.gdk.SHIFT_MASK,
-             'lock': gtk.gdk.LOCK_MASK,
-             'control': gtk.gdk.CONTROL_MASK,
-             'mod1': gtk.gdk.MOD1_MASK,
-             'mod2': gtk.gdk.MOD2_MASK,
-             'mod3': gtk.gdk.MOD3_MASK,
-             'mod4': gtk.gdk.MOD4_MASK,
-             'mod5': gtk.gdk.MOD5_MASK,
-             'button1': gtk.gdk.BUTTON1_MASK,
-             'button2': gtk.gdk.BUTTON2_MASK,
-             'button3': gtk.gdk.BUTTON3_MASK,
-             'button4': gtk.gdk.BUTTON4_MASK,
-             'button5': gtk.gdk.BUTTON5_MASK}
-
-# Scan constans
-BUTTON = 'button'
-ROW = '1'
-BLOCK = '0'
-CANCEL = 'cancel'
-REVERSE = 'reverse'
-MOUSE_SWITCH_TYPE = 'mouse'
-KEYBOARD_SWITCH_TYPE = 'keyboard'
-KEYBOARD_KEY_LIST = {"Shift R" : "Shift_R",
-                     "Shift L" : "Shift_L", 
-                     "Alt Gr"  : "ISO_Level3_Shift",
-                     "Num Lock": "Num_Lock"}
-DEFAULT_KEYBOARD_KEY = 'Shift R'
-DEFAULT_MOUSE_BUTTON = '1'
-MIN_STEP_TIME = 50
-MAX_STEP_TIME = 5000
-TIME_SINGLE_INCREMENT = 1
-TIME_MULTI_INCREMENT = 10
-DEFAULT_STEP_TIME = 1000
-DEFAULT_SCANNING_TYPE = ROW
-DEFAULT_SWITCH_TYPE = KEYBOARD_SWITCH_TYPE
diff --git a/caribou/ui/keyboard.py b/caribou/ui/keyboard.py
index e395af8..feb7306 100644
--- a/caribou/ui/keyboard.py
+++ b/caribou/ui/keyboard.py
@@ -23,7 +23,9 @@
 # Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 
 import caribou.common.const as const
-import caribou.ui.scan as scan
+from caribou.common.settings_manager import SettingsManager
+import scan
+from preferences_window import PreferencesWindow
 import gconf
 import gobject
 import gtk
@@ -33,6 +35,8 @@ import virtkey
 import os
 import traceback
 from caribou.ui.i18n import _
+from setting_types import *
+
 try:
     import json
 except ImportError:
@@ -44,352 +48,19 @@ from xml.dom import minidom
 import gettext
 import i18n
 
-class KeyboardPreferences:
-    __gtype_name__ = "KeyboardPreferences"
-
-    def __init__(self):
-        builder = gtk.Builder()
-        builder.set_translation_domain(gettext.textdomain())
-        builder.add_from_file(os.path.join(const.DATA_DIR, "caribou-prefs.ui"))
-
-        self.window = builder.get_object("dialog_prefs")
-        self.window.connect("destroy", self.hide)
-        self.window.connect("delete_event", self.hide)
-
-        close = builder.get_object("button_close")
-        close.connect("clicked", self.hide)
-
-        client = gconf.client_get_default()
-        client.add_dir(const.CARIBOU_GCONF, gconf.CLIENT_PRELOAD_NONE)
-
-        layout_combo = builder.get_object("combobox_layout")
-        layout_combo.connect("changed", self._on_layout_changed, client)
-
-        normal_color_button = builder.get_object("normal_state_color_button")
-        normal_color_string = client.get_string(const.CARIBOU_GCONF +
-                                                "/normal_color") or "grey80"
-        normal_color = gtk.gdk.Color(normal_color_string)
-        normal_color_button.set_color(normal_color)
-        normal_color_button.connect("color-set",
-                                    self._on_normal_state_color_set,
-                                    client)
-
-        mouse_over_color_button = builder.get_object("mouse_over_color_button")
-        mouse_over_color_string = client.get_string(const.CARIBOU_GCONF +
-                                                    "/mouse_over_color") or "yellow"
-        mouse_over_color = gtk.gdk.Color(mouse_over_color_string)
-        mouse_over_color_button.set_color(mouse_over_color)
-        mouse_over_color_button.connect("color-set",
-                                        self._on_mouse_over_color_set,
-                                        client)
-
-        default_colors_checkbox = builder.get_object("default_colors_checkbox")
-        use_defaults = client.get_bool(const.CARIBOU_GCONF + '/default_colors')
-        if use_defaults is None:
-            use_defaults = True
-
-        default_colors_checkbox.set_active(use_defaults)
-
-        self._on_default_colors_toggled(default_colors_checkbox,
-                                        client, normal_color_button,
-                                        mouse_over_color_button)
-
-        default_colors_checkbox.connect('toggled',
-                                        self._on_default_colors_toggled,
-                                        client, normal_color_button,
-                                        mouse_over_color_button)
-
-
-        key_font_button = builder.get_object("key_font_button")
-        key_font_string = client.get_string(
-            const.CARIBOU_GCONF + "/key_font") or "Sans 12"
-        key_font_button.set_font_name(key_font_string)
-        key_font_button.connect('font-set', self._on_key_font_set, client)
-
-        default_font_checkbox = builder.get_object("default_font_checkbox")
-        
-        use_defaults = client.get_bool(const.CARIBOU_GCONF + '/default_font')
-        if use_defaults is None:
-            use_defaults = True
-
-        default_font_checkbox.set_active(use_defaults)
-
-        self._on_default_font_toggled(default_font_checkbox,
-                                      client, key_font_button)
-
-        default_font_checkbox.connect('toggled',
-                                      self._on_default_font_toggled,
-                                      client, key_font_button)
-
-        reverse_scanning_checkbox = builder.get_object(
-                                    "reverse_scanning_checkbox")
-
-        reverse_scanning = client.get_bool(const.CARIBOU_GCONF + 
-                                            "/reverse_scanning")
-        if reverse_scanning is None:
-            reverse_scanning is False
-        reverse_scanning_checkbox.set_active(reverse_scanning)
-        reverse_scanning_checkbox.connect('toggled', 
-                                        self._on_reverse_scanning_toggled,
-                                        client)
-
-        block_scanning_color_button = builder.get_object("block_scanning_color_button")
-        block_scanning_color_string = client.get_string(const.CARIBOU_GCONF +
-                                                "/block_scanning_color") or "purple"
-        block_scanning_color = gtk.gdk.Color(block_scanning_color_string)
-        block_scanning_color_button.set_color(block_scanning_color)
-        block_scanning_color_button.connect("color-set",
-                                    self._on_block_scanning_color_set,
-                                    client)
-
-        row_scanning_color_button = builder.get_object("row_scanning_color_button")
-        row_scanning_color_string = client.get_string(const.CARIBOU_GCONF +
-                                                "/row_scanning_color") or "blue"
-        row_scanning_color = gtk.gdk.Color(row_scanning_color_string)
-        row_scanning_color_button.set_color(row_scanning_color)
-        row_scanning_color_button.connect("color-set",
-                                    self._on_row_scanning_color_set,
-                                    client)
-
-        button_scanning_color_button = builder.get_object("button_scanning_color_button")
-        button_scanning_color_string = client.get_string(const.CARIBOU_GCONF +
-                                                "/button_scanning_color") or "green"
-        button_scanning_color = gtk.gdk.Color(button_scanning_color_string)
-        button_scanning_color_button.set_color(button_scanning_color)
-        button_scanning_color_button.connect("color-set",
-                                    self._on_button_scanning_color_set,
-                                    client)
-
-        cancel_scanning_color_button = builder.get_object(
-                                        "cancel_scanning_color_button")
-        cancel_scanning_color_string = client.get_string(const.CARIBOU_GCONF +
-                                            "/cancel_scanning_color") or "red"
-        cancel_scanning_color = gtk.gdk.Color(cancel_scanning_color_string)
-        cancel_scanning_color_button.set_color(cancel_scanning_color)
-        cancel_scanning_color_button.connect("color-set",
-                                    self._on_cancel_scanning_color_set,
-                                    client)
-        scanning_type_combo = builder.get_object("scanning_type_combo")
-        scanning_type_combo.connect("changed", 
-                                    self._on_scanning_type_combo_changed, 
-                                    client)
-        types = [_("block"), _("row")]
-        for type in types:
-            scanning_type_combo.append_text(type)
-        type = client.get_string(const.CARIBOU_GCONF + "/scanning_type")
-        try:
-            scanning_type_combo.set_active(int(type))
-        except:
-            scanning_type_combo.set_active(0)
-
-
-        mouse_button_combo = builder.get_object("mouse_button_combo")
-        mouse_button_combo.connect("changed", 
-                                   self._on_mouse_button_combo_changed,
-                                   client)
-        mouse_buttons = [_("Left"), _("Center"), _("Right")]
-        for button in mouse_buttons:
-            mouse_button_combo.append_text(button)
-        button = client.get_string(const.CARIBOU_GCONF + "/mouse_button")
-        try:
-            mouse_button_combo.set_active(int(button)-1)
-        except:
-            mouse_button_combo.set_active(0)
-        
-
-        keyboard_key_combo = builder.get_object("keyboard_key_combo")
-        keyboard_keys = const.KEYBOARD_KEY_LIST.keys()
-        keyboard_values = const.KEYBOARD_KEY_LIST.values()
-        for key in keyboard_keys:
-            keyboard_key_combo.append_text(key)
-        key = client.get_string(const.CARIBOU_GCONF + "/keyboard_key")
-        try:
-            keyboard_key_combo.set_active(keyboard_values.index(key))
-        except:
-            keyboard_key_combo.set_active(0)
-
-        keyboard_key_combo.connect("changed", 
-                                   self._on_keyboard_key_combo_changed,
-                                   client)
-
-        mouse_switch_radio = builder.get_object("mouse_switch_radio")
-        keyboard_switch_radio = builder.get_object("keyboard_switch_radio")
-        mouse_switch_radio.connect("toggled", self._on_switch_radio_toggled, 
-                                    client, mouse_button_combo,
-                                    keyboard_key_combo)
-        
-        switch_type = client.get_string(const.CARIBOU_GCONF + "/switch_type")
-        if switch_type == const.KEYBOARD_SWITCH_TYPE:
-            keyboard_switch_radio.set_active(True)
-        else:
-            mouse_switch_radio.set_active(True)
-
-        step_time_spin = builder.get_object("step_time_spin")
-        step_time_spin.set_value(client.get_int(const.CARIBOU_GCONF + 
-                                 "/step_time"))
-        step_time_spin.connect("value_changed", 
-                               self._on_step_time_spin_changed, client)
-
-        scan_enabled_checkbox = builder.get_object("scan_enabled_checkbox")
-        scan_enabled = client.get_bool(const.CARIBOU_GCONF + "/scan_enabled")
-        if scan_enabled is None:
-            scan_enabled is False
-
-        scan_enabled_checkbox.set_active(scan_enabled)
-
-        self._on_scan_enabled_toggled(scan_enabled_checkbox, 
-                                      client, reverse_scanning_checkbox, 
-                                      row_scanning_color_button,
-                                      button_scanning_color_button,
-                                      block_scanning_color_button,
-                                      cancel_scanning_color_button,
-                                      mouse_switch_radio,
-                                      keyboard_switch_radio,
-                                      mouse_button_combo,
-                                      keyboard_key_combo,
-                                      scanning_type_combo,
-                                      step_time_spin)
-                                      
-        scan_enabled_checkbox.connect('toggled', 
-                                    self._on_scan_enabled_toggled, client, 
-                                    reverse_scanning_checkbox,
-                                    row_scanning_color_button,
-                                    block_scanning_color_button,
-                                    button_scanning_color_button,
-                                    cancel_scanning_color_button,
-                                    mouse_switch_radio,
-                                    keyboard_switch_radio,
-                                    mouse_button_combo,
-                                    keyboard_key_combo,
-                                    scanning_type_combo,
-                                    step_time_spin)
-
-
-        kbds = self._fetch_keyboards()
-        for kbddef in kbds:
-            layout_combo.append_text(kbddef)
-
-        defaultkbd = client.get_string(const.CARIBOU_GCONF + "/layout")
-        try:
-            index = kbds.index(defaultkbd)
-        except ValueError:
-            layout_combo.set_active(0)
-        else:
-            layout_combo.set_active(index)
-
-
-    def _on_default_font_toggled(self, default_colors_checkbox, gconf_client,
-                                   key_font_button):
-
-        use_defaults = default_colors_checkbox.get_active()
-        gconf_client.set_bool(const.CARIBOU_GCONF + '/default_font',
-                              use_defaults)
-        key_font_button.set_sensitive(not use_defaults)
-
-    def _on_default_colors_toggled(self, default_colors_checkbox, gconf_client,
-                                   normal_color_button,
-                                   mouse_over_color_button):
-        use_defaults = default_colors_checkbox.get_active()
-        gconf_client.set_bool(const.CARIBOU_GCONF + '/default_colors',
-                              use_defaults)
-        normal_color_button.set_sensitive(not use_defaults)
-        mouse_over_color_button.set_sensitive(not use_defaults)
-
-    def _on_scan_enabled_toggled(self, scan_enabled_checkbox, 
-                                 gconf_client, *args):
-        scan_enabled = scan_enabled_checkbox.get_active()
-        gconf_client.set_bool(const.CARIBOU_GCONF + "/scan_enabled", scan_enabled)
-        for arg in args:
-            arg.set_sensitive(scan_enabled)
-
-    def _on_reverse_scanning_toggled(self, reverse_scanning_checkbox,
-                                     gconf_client):
-        reverse_scanning = reverse_scanning_checkbox.get_active()
-        gconf_client.set_bool(const.CARIBOU_GCONF + "/reverse_scanning", 
-                              reverse_scanning)
-    def _on_switch_radio_toggled(self, mouse_switch_radio, 
-                                       gconf_client, mouse_button_combo, 
-                                       keyboard_key_combo):
-        mouse_switch = mouse_switch_radio.get_active()
-        if mouse_switch:
-            gconf_client.set_string(const.CARIBOU_GCONF + "/switch_type", 
-                                  const.MOUSE_SWITCH_TYPE)
-        else:
-            gconf_client.set_string(const.CARIBOU_GCONF + "/switch_type", 
-                                  const.KEYBOARD_SWITCH_TYPE)
-        mouse_button_combo.set_sensitive(mouse_switch)
-        keyboard_key_combo.set_sensitive(not mouse_switch)
-
-    def _on_step_time_spin_changed(self, step_time_spin, gconf_client):
-        gconf_client.set_int(const.CARIBOU_GCONF + "/step_time", 
-                             step_time_spin.get_value_as_int())
-
-
-    def destroy(self, widget, data = None):
-        self.window.destroy()
-
-    def hide(self, widget, data = None):
-        self.window.hide()
-
-    def _fetch_keyboards(self):
-        files = os.listdir(const.KEYBOARDS_DIR)
-        kbds = []
-        for f in files:
-            if (HAS_JSON and f.endswith('.json')) or f.endswith('.xml'):
-                module = f.rsplit('.', 1)[0]
-                # TODO: verify keyboard before adding it to the list
-                kbds.append(module)
-        return kbds
-
-    def _on_layout_changed(self, combobox, client):
-        kbdname = combobox.get_active_text()
-        actual_layout = client.get_string("/apps/caribou/osk/layout")
-        if kbdname and kbdname != actual_layout:
-            client.set_string("/apps/caribou/osk/layout", kbdname)
-
-    def _on_scanning_type_combo_changed(self, scanning_type_combo, gconf_client):
-        value = str(scanning_type_combo.get_active())
-        if value:
-            gconf_client.set_string(const.CARIBOU_GCONF + "/scanning_type", value)
-
-    def _on_mouse_button_combo_changed(self, mouse_button_combo, client):
-        value = mouse_button_combo.get_active() + 1
-        if value:
-            client.set_string(const.CARIBOU_GCONF + "/mouse_button", str(value))
-
-    def _on_keyboard_key_combo_changed(self, keyboard_key_combo, client):
-        value = keyboard_key_combo.get_active_text()
-        if value:
-            client.set_string(const.CARIBOU_GCONF + "/keyboard_key", 
-                              const.KEYBOARD_KEY_LIST[value])
-
-    def _on_normal_state_color_set(self, colorbutton, client):
-        color = colorbutton.get_color().to_string()
-        client.set_string(const.CARIBOU_GCONF + "/normal_color", color)
-
-    def _on_block_scanning_color_set(self, colorbutton, client):
-        color = colorbutton.get_color().to_string()
-        client.set_string(const.CARIBOU_GCONF + "/block_scanning_color", color)
-
-    def _on_row_scanning_color_set(self, colorbutton, client):
-        color = colorbutton.get_color().to_string()
-        client.set_string(const.CARIBOU_GCONF + "/row_scanning_color", color)
-
-    def _on_button_scanning_color_set(self, colorbutton, client):
-        color = colorbutton.get_color().to_string()
-        client.set_string(const.CARIBOU_GCONF + "/button_scanning_color", color)
-
-    def _on_cancel_scanning_color_set(self, colorbutton, client):
-        color = colorbutton.get_color().to_string()
-        client.set_string(const.CARIBOU_GCONF + "/cancel_scanning_color", color)
-
-    def _on_mouse_over_color_set(self, colorbutton, client):
-        color = colorbutton.get_color().to_string()
-        client.set_string(const.CARIBOU_GCONF + "/mouse_over_color", color)
-
-    def _on_key_font_set(self, fontbutton, client):
-        font = fontbutton.get_font_name()
-        client.set_string(const.CARIBOU_GCONF + "/key_font", font)
+KEY_MASKS = {'shift': gtk.gdk.SHIFT_MASK,
+             'lock': gtk.gdk.LOCK_MASK,
+             'control': gtk.gdk.CONTROL_MASK,
+             'mod1': gtk.gdk.MOD1_MASK,
+             'mod2': gtk.gdk.MOD2_MASK,
+             'mod3': gtk.gdk.MOD3_MASK,
+             'mod4': gtk.gdk.MOD4_MASK,
+             'mod5': gtk.gdk.MOD5_MASK,
+             'button1': gtk.gdk.BUTTON1_MASK,
+             'button2': gtk.gdk.BUTTON2_MASK,
+             'button3': gtk.gdk.BUTTON3_MASK,
+             'button4': gtk.gdk.BUTTON4_MASK,
+             'button5': gtk.gdk.BUTTON5_MASK}
 
 class BaseKey(object):
     '''An abstract class the represents a key on the keyboard.
@@ -398,7 +69,6 @@ class BaseKey(object):
 
     def __init__(self, label = '', value = '', key_type = 'normal',
                  width = 1, fill = False):
-
         self.key_type = key_type
         self.value = value
         self.width = float(width)
@@ -473,7 +143,7 @@ class BaseKey(object):
                         self._value = key_value
         elif self.key_type == const.MASK_KEY_TYPE:
             if type(value) == str or type(value) == unicode:
-                for key, mask in const.KEY_MASKS.items():
+                for key, mask in KEY_MASKS.items():
                     if value == key:
                         self._value = mask
         else:
@@ -481,7 +151,6 @@ class BaseKey(object):
 
     value = property(_get_value, _set_value)
 
-
 class Key(gtk.Button, BaseKey):
     def __init__(self, label = '', value = '', key_type = 'normal',
                  width = 1, fill = False):
@@ -495,7 +164,6 @@ class ModifierKey(gtk.ToggleButton, BaseKey):
         BaseKey.__init__(self, label, value, key_type, width, fill)
 
 class KeyboardLayout(gtk.Alignment):
-
     def __init__(self, name):
         super(KeyboardLayout, self).__init__(0, 0, 0, 0)
         self.layout_name = name
@@ -624,33 +292,26 @@ class CaribouKeyboard(gtk.Notebook):
         self.key_size = 30
         self.current_mask = 0
         self.current_page = 0
-        self._gconf_connections = []
-        self.client = gconf.client_get_default()
-
-        self._gconf_connections.append(self.client.notify_add(
-                            const.CARIBOU_GCONF + "/normal_color",
-                            self._colors_changed))
-        self._gconf_connections.append(self.client.notify_add(
-                            const.CARIBOU_GCONF + "/mouse_over_color",
-                            self._colors_changed))
-        self._gconf_connections.append(self.client.notify_add(
-                            const.CARIBOU_GCONF + "/default_colors",
-                            self._colors_changed))
-        self._gconf_connections.append(self.client.notify_add(
-                            const.CARIBOU_GCONF + "/default_font",
-                            self._key_font_changed))
-        self._gconf_connections.append(self.client.notify_add(
-                            const.CARIBOU_GCONF + "/key_font",
-                            self._key_font_changed))
-        self._gconf_connections.append(self.client.notify_add(
-                            const.CARIBOU_GCONF + "/scan_enabled", 
-                            self._scan_enabled))
+
+        # Settings we care about.
+        for name in ["normal_color", "mouse_over_color", "default_colors"]:
+            getattr(SettingsManager, name).connect("value-changed",
+                                                   self._colors_changed)
+
+        for name in ["default_font", "key_font"]:
+            getattr(SettingsManager, name).connect("value-changed",
+                                         self._key_font_changed)
+
+        self.scan_enabled = SettingsManager.scan_enabled
+        
+        self.scan_enabled.connect("value-changed",
+                                  self._scan_enabled)
+
+        self.scan_service = None
 
         self.connect('size-allocate', self._on_size_allocate)
 
         self.row_height = -1
-        self.scan_enabled = False
-        self.keyboard_preferences = KeyboardPreferences()
 
     def reset_row_height(self):
         for i in xrange(self.get_n_pages()):
@@ -700,27 +361,23 @@ class CaribouKeyboard(gtk.Notebook):
                         key.connect('clicked',
                                     self._pressed_normal_key)
 
-    def _scan_enabled(self, client, connection_id, entry, args):
+    def _scan_enabled(self, setting, val):
         self._enable_scanning()
 
-    def _colors_changed(self, client, connection_id, entry, args):
+    def _colors_changed(self, setting, val):
         self._update_key_style()
 
-    def _key_font_changed(self, client, connection_id, entry, args):
+    def _key_font_changed(self, setting, val):
         self.reset_row_height()
         self._update_key_style()
 
     def _update_key_style(self):
-        default_colors = self.client.get_bool(const.CARIBOU_GCONF +
-                                              '/default_colors')
-        normal_color = self.client.get_string(const.CARIBOU_GCONF +
-                                              "/normal_color")
-        mouse_over_color = self.client.get_string(const.CARIBOU_GCONF +
-                                                  "/mouse_over_color")
-        default_font = self.client.get_bool(const.CARIBOU_GCONF +
-                                              "/default_font")
-        key_font = self.client.get_string(const.CARIBOU_GCONF +
-                                          "/key_font")
+        default_colors = SettingsManager.default_colors.value
+        normal_color = SettingsManager.normal_color.value
+        mouse_over_color = SettingsManager.mouse_over_color.value
+        default_font = SettingsManager.default_font.value
+        key_font = SettingsManager.key_font.value
+
         n_pages = self.get_n_pages()
         for i in range(n_pages):
             layout = self.get_nth_page(i)
@@ -760,36 +417,24 @@ class CaribouKeyboard(gtk.Notebook):
     def show_all(self):
         self.set_current_page(self.current_page)
         gtk.Notebook.show_all(self)
-        if self.scan_enabled:
-            self.scan_service.start()
-
-    def is_preferences_open(self):
-        if self.keyboard_preferences.window.window and \
-            self.keyboard_preferences.window.window.is_visible():
-            return True
-        else:
-            return False
+        #if self.scan_enabled.value:
+        #    self.scan_service.start()
 
     def _pressed_preferences_key(self, key):
-        self.keyboard_preferences.window.show_all()
+        p = PreferencesWindow()
+        p.show_all()
+        p.run()
+        p.destroy()
 
     def _enable_scanning(self):
-        enable = self.client.get_bool(const.CARIBOU_GCONF + '/scan_enabled')
-        if enable:
+        if self.scan_enabled.value and self.scan_service is None:
             current_layout = self.get_nth_page(self.current_page)
-            if current_layout and not self.scan_enabled:
-                self.scan_service = scan.Scan_service(current_layout.rows, 
-                                    self.get_parent().get_parent())
-                self.scan_enabled = True
-        elif self.scan_enabled:
-            self.scan_service.destroy()
-            self.scan_service = None
-            self.scan_enabled = False
-        else: 
-            self.scan_enabled = False
+            self.scan_service = scan.ScanService(
+                current_layout.rows, 
+                self.get_parent().get_parent())
 
     def destroy(self):
-        if self.scan_enabled:
+        if self.scan_enabled.value:
             self.scan_service.destroy()
         for id in self._gconf_connections:
             self.client.notify_remove(id)
@@ -801,7 +446,7 @@ class CaribouKeyboard(gtk.Notebook):
             if self.get_nth_page(i).layout_name == name:
                 self.set_current_page(i)
                 self.current_page = i
-                if self.scan_enabled:
+                if self.scan_enabled.value:
                     self.scan_service.change_keyboard(
                             self.get_nth_page(i).rows)
                 break
diff --git a/caribou/ui/main.py b/caribou/ui/main.py
index 013cabf..e5dcee2 100644
--- a/caribou/ui/main.py
+++ b/caribou/ui/main.py
@@ -43,7 +43,7 @@ class Caribou:
         pyatspi.Registry.deregisterEventListener(
             self.on_text_caret_moved, "object:text-caret-moved")
         pyatspi.Registry.deregisterKeystrokeListener(
-            self.on_key_down, mask=None, kind=(pyatspi.KEY_PRESSED_EVENT,))
+            self.on_key_down, mask=None, kind=pyatspi.KEY_PRESSED_EVENT)
 
     def _on_layout_changed(self, client, connection_id, entry, args):
         self._deregister_event_listeners()
@@ -177,7 +177,7 @@ class Caribou:
                 print "OK"
             else:
                 print "FAIL"
-        result = pyatspi.Registry.deregisterKeystrokeListener(self.on_key_down, mask=None, kind=(pyatspi.KEY_PRESSED_EVENT,))
+        result = pyatspi.Registry.deregisterKeystrokeListener(self.on_key_down, mask=None, kind=pyatspi.KEY_PRESSED_EVENT)
         if debug == True:
             print "deregisterKeystrokeListener"
         gtk.main_quit()
diff --git a/caribou/ui/scan.py b/caribou/ui/scan.py
index 0964af1..992f1d9 100644
--- a/caribou/ui/scan.py
+++ b/caribou/ui/scan.py
@@ -2,9 +2,31 @@ import gobject
 import pyatspi
 import gtk
 import caribou.common.const as const
-import gconf
-
-class Scan_service():
+from caribou.common.settings_manager import SettingsManager
+
+# Scan constans
+BUTTON = 'button'
+ROW = 'row'
+BLOCK = 'block'
+CANCEL = 'cancel'
+REVERSE = 'reverse'
+MOUSE_SWITCH_TYPE = 'mouse'
+KEYBOARD_SWITCH_TYPE = 'keyboard'
+KEYBOARD_KEY_LIST = {"Shift R" : "Shift_R",
+                     "Shift L" : "Shift_L", 
+                     "Alt Gr"  : "ISO_Level3_Shift",
+                     "Num Lock": "Num_Lock"}
+DEFAULT_KEYBOARD_KEY = 'Shift R'
+DEFAULT_MOUSE_BUTTON = '1'
+MIN_STEP_TIME = 50
+MAX_STEP_TIME = 5000
+TIME_SINGLE_INCREMENT = 1
+TIME_MULTI_INCREMENT = 10
+DEFAULT_STEP_TIME = 1000
+DEFAULT_SCANNING_TYPE = ROW
+DEFAULT_SWITCH_TYPE = KEYBOARD_SWITCH_TYPE
+
+class ScanService():
     def __init__(self, keyboard, root_window):
         self.keyboard = keyboard
         self.root_window = root_window
@@ -18,48 +40,25 @@ class Scan_service():
         self.timerid = None
         self.reverse = False
         self.selected_block = []
-        self.client = gconf.client_get_default()
-        self._gconf_connections = []
-        self._gconf_connections.append(self.client.notify_add(
-                            const.CARIBOU_GCONF + "/scanning_type", 
-                            self._on_scanning_type_changed))
-        self._gconf_connections.append(self.client.notify_add(
-                            const.CARIBOU_GCONF + "/step_time", 
-                            self._on_scanning_type_changed))
-        self._gconf_connections.append(self.client.notify_add(
-                            const.CARIBOU_GCONF + "/reverse_scanning", 
-                            self._on_scanning_type_changed))
-        self._gconf_connections.append(self.client.notify_add(
-                            const.CARIBOU_GCONF + "/switch_type",
-                            self._on_switch_changed))
-        self._gconf_connections.append(self.client.notify_add(
-                            const.CARIBOU_GCONF + "/mouse_button",
-                            self._on_switch_changed))
-        self._gconf_connections.append(self.client.notify_add(
-                            const.CARIBOU_GCONF + "/keyboard_key", 
-                            self._on_switch_changed))
-
-        self._gconf_connections.append(self.client.notify_add(
-                            const.CARIBOU_GCONF + "/default_colors",
-                            self._on_color_changed))
-        self._gconf_connections.append(self.client.notify_add(
-                            const.CARIBOU_GCONF + "/normal_color", 
-                            self._on_color_changed))
-        self._gconf_connections.append(self.client.notify_add(
-                            const.CARIBOU_GCONF + "/mouse_over_color", 
-                            self._on_color_changed))
-        self._gconf_connections.append(self.client.notify_add(
-                            const.CARIBOU_GCONF + "/row_scanning_color", 
-                            self._on_color_changed))
-        self._gconf_connections.append(self.client.notify_add(
-                            const.CARIBOU_GCONF + "/button_scanning_color", 
-                            self._on_color_changed))
-        self._gconf_connections.append(self.client.notify_add(
-                            const.CARIBOU_GCONF + "/cancel_scanning_color", 
-                            self._on_color_changed))
-        self._gconf_connections.append(self.client.notify_add(
-                            const.CARIBOU_GCONF + "/block_scanning_color", 
-                            self._on_color_changed))
+
+        # Settings we are interested in.
+        for name in ["step_time", "reverse_scanning", "scanning_type"]:
+            getattr(SettingsManager, name).connect("value-changed",
+                                                   self._on_switch_changed)
+
+        for name in ["switch_type", "mouse_button", "keyboard_key"]:
+            getattr(SettingsManager, name).connect("value-changed",
+                                                   self._on_switch_changed)
+        
+        for name in ["default_colors", "normal_color", "mouse_over_color",
+                     "row_scanning_color", "button_scanning_color",
+                     "cancel_scanning_color", "block_scanning_color"]:
+            getattr(SettingsManager, name).connect("value-changed",
+                                                   self._on_color_changed)
+
+        SettingsManager.scan_enabled.connect("value-changed",
+                                             self._on_scan_toggled)
+
         self._configure_scanning()
         self._set_colors()
         self._configure_switch()
@@ -68,20 +67,15 @@ class Scan_service():
         self.stop()
         self.clean()
         self._deregister_events()
-        for id in self._gconf_connections:
-            self.client.notify_remove(id)
-
 
 
     def _configure_switch(self):
-        self.switch_type = self.client.get_string(const.CARIBOU_GCONF + 
-                                                  "/switch_type") or "mouse"
-        if self.switch_type == const.MOUSE_SWITCH_TYPE:
-            self.switch_key = self.client.get_string(const.CARIBOU_GCONF + 
-                                                     "/mouse_button") or "2"
-        elif self.switch_type == const.KEYBOARD_SWITCH_TYPE:
-            self.switch_key = self.client.get_string(const.CARIBOU_GCONF +
-                                                     "/keyboard_key") or "Shift_L"
+        self.switch_type = SettingsManager.switch_type.value
+        if self.switch_type == MOUSE_SWITCH_TYPE:
+            self.switch_key = SettingsManager.mouse_button.value
+        elif self.switch_type == KEYBOARD_SWITCH_TYPE:
+            self.switch_key = SettingsManager.keyboard_key
+
         try:
             pyatspi.Registry.registerKeystrokeListener(self._on_key_pressed, 
                                 mask=None, kind=(pyatspi.KEY_PRESSED_EVENT,))
@@ -93,69 +87,59 @@ class Scan_service():
     def _deregister_events(self):
         try:
             pyatspi.Registry.deregisterKeystrokeListener(self._on_key_pressed, 
-                                mask=None, kind=(pyatspi.KEY_PRESSED_EVENT,))
+                                mask=None, kind=pyatspi.KEY_PRESSED_EVENT)
             pyatspi.Registry.deregisterKeystrokeListener(
                                 self._on_key_released, 
-                                mask=None, kind=(pyatspi.KEY_RELEASED_EVENT,))
+                                mask=None, kind=pyatspi.KEY_RELEASED_EVENT)
         except:
             print "Error while deregistering keyboard events in scan.py"
 
-    def _on_switch_changed(self, client, connection_id, entry, args):
+    def _on_switch_changed(self, settings, val):
         self._deregister_events()
         self._configure_switch()
 
-    def _on_color_changed(self, client, connection_id, entry, args):
+    def _on_scan_toggled(self, settings, val):
+        if val:
+            self.start()
+        else:
+            self.stop()
+
+    def _on_color_changed(self, settings, val):
         self._set_colors()
 
-    def _on_scanning_type_changed(self, client, connection_id, entry, args):
+    def _on_scanning_type_changed(self, settings, val):
         self._configure_scanning()
 
     def _configure_scanning(self):
         if not self.is_stop:
             self._stop()
-        self.scanning_type = self.client.get_string(const.CARIBOU_GCONF +
-                                                    "/scanning_type") or "0"
-        self.reverse = self.client.get_bool(const.CARIBOU_GCONF +
-                                                    "/reverse_scanning") or False
-        self.step_time = self.client.get_int(const.CARIBOU_GCONF + 
-                                                    "/step_time") or 1000
-        if self.scanning_type == const.BLOCK:
+        self.scanning_type = SettingsManager.scanning_type.value
+        self.reverse = SettingsManager.reverse_scanning.value
+        self.step_time = SettingsManager.step_time.value
+
+        if self.scanning_type == BLOCK:
             self.selected_block = []
         else:
             self.selected_block = self.keyboard
         self.scanning = self.scanning_type
 
     def _set_colors(self):
-        self.default_colors = self.client.get_bool(
-                                const.CARIBOU_GCONF + "/default_colors") \
-                                or True
-        self.normal_color = self.client.get_string(
-                                const.CARIBOU_GCONF + "/normal_color") \
-                                or "gray80"
-        self.mouse_over_color = self.client.get_string(
-                                const.CARIBOU_GCONF + "/mouse_over_color") \
-                                or "yellow"
-
-        self.row_scanning_color = self.client.get_string(
-                                const.CARIBOU_GCONF + "/row_scanning_color") \
-                                or "green"
-        self.button_scanning_color = self.client.get_string(
-                            const.CARIBOU_GCONF + "/button_scanning_color") \
-                            or "cyan"
-        self.cancel_scanning_color = self.client.get_string(
-                            const.CARIBOU_GCONF + "/cancel_scanning_color") \
-                            or "red"
-        self.block_scanning_color = self.client.get_string(
-                            const.CARIBOU_GCONF + "/block_scanning_color") \
-                            or "purple" 
-
+        self.default_colors = SettingsManager.default_colors.value
+        self.normal_color = SettingsManager.normal_color.value
+        self.mouse_over_color = SettingsManager.mouse_over_color.value
+        self.row_scanning_color = SettingsManager.row_scanning_color.value
+        self.button_scanning_color = \
+            SettingsManager.button_scanning_color.value
+        self.cancel_scanning_color = \
+            SettingsManager.cancel_scanning_color.value
+        self.block_scanning_color = SettingsManager.block_scanning_color.value
 
     # public start
     def start(self, scanning=None):
         self.scanning = scanning or self.scanning_type
         self.clean()
         if self.root_window and \
-            self.switch_type == const.MOUSE_SWITCH_TYPE:
+            self.switch_type == MOUSE_SWITCH_TYPE:
             self._grab_mouse_events()
 
         if not self.reverse:
@@ -163,30 +147,33 @@ class Scan_service():
 
     # public stop
     def stop(self):
-        if self.switch_type == const.MOUSE_SWITCH_TYPE:
+        if self.switch_type == MOUSE_SWITCH_TYPE:
             self._ungrab_mouse_events()
         self.clean()
         self._stop()
 
     #private start
-    def _start(self, scanning=const.ROW):
+    def _start(self, scanning=ROW):
         if self.is_stop == True and self.timerid == None:
             self.is_stop = False
             self.button_index = -1
             self.row_index = -1
-            if scanning == const.ROW:
+            if scanning == ROW:
                 self.selected_row = []
-                self.timerid = gobject.timeout_add(self.step_time, self._scan_row)
-            elif scanning == const.BUTTON:
+                self.timerid = gobject.timeout_add(
+                    int(1000*self.step_time), self._scan_row)
+            elif scanning == BUTTON:
                 self.selected_button = None
-                self.timerid = gobject.timeout_add(self.step_time, self._scan_button)
-            elif scanning == const.BLOCK:
+                self.timerid = gobject.timeout_add(
+                    int(1000*self.step_time), self._scan_button)
+            elif scanning == BLOCK:
                 self.selected_block = []
                 self.selected_row = []
                 self.clean()
                 self.index_i = 2
                 self.index_j = 1
-                self.timerid = gobject.timeout_add(self.step_time, self._scan_block)
+                self.timerid = gobject.timeout_add(
+                    int(1000*self.step_time), self._scan_block)
 
     # private stop
     def _stop(self):
@@ -195,7 +182,7 @@ class Scan_service():
             gobject.source_remove(self.timerid)
             self.timerid = None
 
-    def reset(self, scanning=const.ROW):
+    def reset(self, scanning=ROW):
         self._stop()
         self._start(scanning)
 
@@ -211,7 +198,7 @@ class Scan_service():
         self.keyboard = keyboard
         self.scanning = self.scanning_type
         self.start(self.scanning_type)
-        if self.scanning == const.ROW:
+        if self.scanning == ROW:
             self.selected_block = keyboard
 
 
@@ -224,10 +211,10 @@ class Scan_service():
     def _mouse_handler(self, event):
         if self.root_window.window.is_visible():
             if event.type == gtk.gdk.BUTTON_PRESS and \
-                str(event.button) == self.switch_key:
+                str(event.button) == self.switch_key.value:
                 self._handle_press()
             elif event.type == gtk.gdk.BUTTON_RELEASE and \
-                str(event.button) == self.switch_key:
+                str(event.button) == self.switch_key.value:
                 self._handle_release()
             elif not event.type == gtk.gdk.ENTER_NOTIFY:
                 gtk.main_do_event(event)
@@ -305,7 +292,7 @@ class Scan_service():
 
         else:
             self.select_row(self.selected_row, 
-                            self.scanning_type == const.BLOCK, 
+                            self.scanning_type == BLOCK, 
                             self.block_scanning_color)
             self.row_index += 1
             if self.row_index >= len(self.selected_block):
@@ -315,8 +302,8 @@ class Scan_service():
             return True
 
     def _scan_button(self):
-        if self.scanning == const.CANCEL:
-            self.scanning = const.BUTTON
+        if self.scanning == CANCEL:
+            self.scanning = BUTTON
             self.selected_button = None
             self.select_row(self.selected_row, True, self.row_scanning_color)
             return True
@@ -331,7 +318,7 @@ class Scan_service():
             if self.button_index >= len(self.selected_row):
                 self.select_row(self.selected_row, True, self.cancel_scanning_color)
                 self.button_index = -1
-                self.scanning = const.CANCEL
+                self.scanning = CANCEL
                 return True
 
             self.selected_button = self.selected_row[self.button_index]
@@ -340,7 +327,7 @@ class Scan_service():
                 if self.button_index >= len(self.selected_row):
                     self.select_row(self.selected_row, True, self.cancel_scanning_color)
                     self.button_index = -1
-                    self.scanning = const.CANCEL
+                    self.scanning = CANCEL
                     return True
 
                 self.selected_button = self.selected_row[self.button_index]
@@ -361,23 +348,23 @@ class Scan_service():
         elif self.default_colors:
             button.reset_color()
         else:
-            button.set_color(self.normal_color, self.mouse_over_color)
-
+            button.set_color(self.normal_color,
+                             self.mouse_over_color)
 
     def _on_key_pressed(self, event):
         if event.event_string == "Escape":
-            self.stop()
-        elif self.switch_type == const.KEYBOARD_SWITCH_TYPE and \
-             self.switch_key == event.event_string:
+            SettingsManager.scan_enabled.value = False
+        elif self.switch_type == KEYBOARD_SWITCH_TYPE and \
+             self.switch_key.value == event.event_string:
             self._handle_press()
 
     def _on_key_released(self, event):
-            if self.switch_type == const.KEYBOARD_SWITCH_TYPE and \
-                 self.switch_key == event.event_string:
-                self._handle_release()
-            elif event.event_string != "Escape": 
-                self._stop()
-                self.start()
+        if self.switch_type == KEYBOARD_SWITCH_TYPE and \
+                self.switch_key.value == event.event_string:
+            self._handle_release()
+        elif event.event_string != "Escape": 
+            self._stop()
+            self.start()
 
     def _handle_press(self):
         if self.reverse:
@@ -386,13 +373,13 @@ class Scan_service():
     def _handle_release(self):
         if self.reverse:
             if not self.is_stop:
-                if self.scanning == const.ROW and \
+                if self.scanning == ROW and \
                         len(self.selected_row) > 0:
-                    self.scanning = const.BUTTON
-                elif self.scanning == const.BLOCK and \
+                    self.scanning = BUTTON
+                elif self.scanning == BLOCK and \
                         len(self.selected_block) > 0:
-                    self.scanning = const.ROW
-                elif self.scanning == const.BUTTON and \
+                    self.scanning = ROW
+                elif self.scanning == BUTTON and \
                         self.selected_button:
                     self.clean()
                     if self.selected_button.key_type == const.PREFERENCES_KEY_TYPE:
@@ -402,26 +389,26 @@ class Scan_service():
                     self.scanning = self.scanning_type
                     self.reset()
 
-                elif self.scanning == const.CANCEL:
+                elif self.scanning == CANCEL:
                     self.clean()
                     self.scanning = self.scanning_type
                 self._stop()
 
         else:
             if not self.is_stop:
-                if self.scanning == const.ROW and \
+                if self.scanning == ROW and \
                         len(self.selected_row) > 0:
-                    self.scanning = const.BUTTON
-                    self.reset(const.BUTTON)
+                    self.scanning = BUTTON
+                    self.reset(BUTTON)
 
-                elif self.scanning == const.BLOCK and \
+                elif self.scanning == BLOCK and \
                         len(self.selected_block) > 0:
-                    self.scanning = const.ROW
-                    self.reset(const.ROW)
-                elif self.scanning == const.BUTTON and \
+                    self.scanning = ROW
+                    self.reset(ROW)
+                elif self.scanning == BUTTON and \
                         self.selected_button:
                     self.selected_button.clicked()
-                    self.scanning = const.ROW
+                    self.scanning = ROW
                     if self.selected_button.key_type \
                             == const.PREFERENCES_KEY_TYPE:
                         self.selected_button = None
@@ -430,7 +417,7 @@ class Scan_service():
                         self.selected_button = None
                         self.scanning = self.scanning_type
 
-                elif self.scanning == const.CANCEL:
+                elif self.scanning == CANCEL:
                     self.scanning = self.scanning_type
                     self.clean()
                     self.reset(self.scanning_type)
diff --git a/data/caribou-prefs.ui b/data/caribou-prefs.ui
deleted file mode 100644
index bdc75e9..0000000
--- a/data/caribou-prefs.ui
+++ /dev/null
@@ -1,676 +0,0 @@
-<?xml version="1.0"?>
-<interface>
-  <requires lib="gtk+" version="2.16"/>
-  <!-- interface-naming-policy toplevel-contextual -->
-  <object class="GtkListStore" id="liststore1">
-    <columns>
-      <!-- column-name gchararray1 -->
-      <column type="gchararray"/>
-    </columns>
-  </object>
-  <object class="GtkDialog" id="dialog_prefs">
-    <property name="border_width">6</property>
-    <property name="title" translatable="yes">Caribou Preferences</property>
-    <property name="modal">True</property>
-    <property name="window_position">center-on-parent</property>
-    <property name="type_hint">dialog</property>
-    <property name="has_separator">False</property>
-    <child internal-child="vbox">
-      <object class="GtkVBox" id="vbox_dialog">
-        <property name="visible">True</property>
-        <property name="spacing">2</property>
-        <child>
-          <object class="GtkNotebook" id="notebook1">
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <child>
-              <object class="GtkVBox" id="vbox2">
-                <property name="visible">True</property>
-                <property name="border_width">12</property>
-                <property name="spacing">6</property>
-                <child>
-                  <object class="GtkHBox" id="hbox1">
-                    <property name="visible">True</property>
-                    <property name="spacing">6</property>
-                    <child>
-                      <object class="GtkVBox" id="vbox3">
-                        <property name="visible">True</property>
-                        <property name="spacing">6</property>
-                        <child>
-                          <object class="GtkLabel" id="label_layout">
-                            <property name="visible">True</property>
-                            <property name="xalign">0</property>
-                            <property name="label" translatable="yes">Keyboard _layout:</property>
-                            <property name="use_underline">True</property>
-                            <property name="mnemonic_widget">combobox_layout</property>
-                            <accessibility>
-                              <relation type="label-for" target="combobox_layout"/>
-                            </accessibility>
-                          </object>
-                          <packing>
-                            <property name="position">0</property>
-                          </packing>
-                        </child>
-                      </object>
-                      <packing>
-                        <property name="expand">False</property>
-                        <property name="fill">False</property>
-                        <property name="position">0</property>
-                      </packing>
-                    </child>
-                    <child>
-                      <object class="GtkVBox" id="vbox5">
-                        <property name="visible">True</property>
-                        <property name="spacing">6</property>
-                        <child>
-                          <object class="GtkComboBox" id="combobox_layout">
-                            <property name="visible">True</property>
-                            <property name="model">liststore1</property>
-                            <accessibility>
-                              <relation type="labelled-by" target="label_layout"/>
-                            </accessibility>
-                            <child>
-                              <object class="GtkCellRendererCombo" id="cellrenderertext1"/>
-                              <attributes>
-                                <attribute name="text">0</attribute>
-                              </attributes>
-                            </child>
-                          </object>
-                          <packing>
-                            <property name="position">0</property>
-                          </packing>
-                        </child>
-                      </object>
-                      <packing>
-                        <property name="position">1</property>
-                      </packing>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="expand">False</property>
-                    <property name="position">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkHBox" id="hbox2">
-                    <property name="visible">True</property>
-                    <property name="spacing">6</property>
-                    <child>
-                      <object class="GtkLabel" id="label_test">
-                        <property name="visible">True</property>
-                        <property name="xalign">0</property>
-                        <property name="label" translatable="yes">_Test settings here:</property>
-                        <property name="use_underline">True</property>
-                        <property name="mnemonic_widget">entry_test</property>
-                        <accessibility>
-                          <relation type="label-for" target="entry_test"/>
-                        </accessibility>
-                      </object>
-                      <packing>
-                        <property name="position">0</property>
-                      </packing>
-                    </child>
-                    <child>
-                      <object class="GtkEntry" id="entry_test">
-                        <property name="visible">True</property>
-                        <property name="can_focus">True</property>
-                        <property name="invisible_char">&#x25CF;</property>
-                        <accessibility>
-                          <relation type="labelled-by" target="label_test"/>
-                        </accessibility>
-                      </object>
-                      <packing>
-                        <property name="position">1</property>
-                      </packing>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="expand">False</property>
-                    <property name="pack_type">end</property>
-                    <property name="position">1</property>
-                  </packing>
-                </child>
-              </object>
-            </child>
-            <child type="tab">
-              <object class="GtkLabel" id="label1">
-                <property name="visible">True</property>
-                <property name="label" translatable="yes">General</property>
-              </object>
-              <packing>
-                <property name="tab_fill">False</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkHBox" id="hbox3">
-                <property name="visible">True</property>
-                <property name="border_width">12</property>
-                <property name="spacing">6</property>
-                <child>
-                  <object class="GtkTable" id="table2">
-                    <property name="visible">True</property>
-                    <property name="n_rows">2</property>
-                    <property name="n_columns">2</property>
-                    <child>
-                      <object class="GtkLabel" id="label_keysize">
-                        <property name="visible">True</property>
-                        <property name="xalign">0</property>
-                        <property name="label" translatable="yes">Key font:</property>
-                        <property name="use_underline">True</property>
-                        <accessibility>
-                          <relation type="label-for" target="key_font_button"/>
-                        </accessibility>
-                      </object>
-                      <packing>
-                        <property name="y_options">GTK_EXPAND</property>
-                      </packing>
-                    </child>
-                    <child>
-                      <object class="GtkFontButton" id="key_font_button">
-                        <property name="visible">True</property>
-                        <property name="can_focus">True</property>
-                        <property name="receives_default">True</property>
-                        <accessibility>
-                          <relation type="labelled-by" target="label_keysize"/>
-                        </accessibility>
-                      </object>
-                      <packing>
-                        <property name="left_attach">1</property>
-                        <property name="right_attach">2</property>
-                        <property name="y_options">GTK_EXPAND</property>
-                      </packing>
-                    </child>
-                    <child>
-                      <object class="GtkCheckButton" id="default_font_checkbox">
-                        <property name="label" translatable="yes">Use Defaults</property>
-                        <property name="visible">True</property>
-                        <property name="can_focus">True</property>
-                        <property name="receives_default">False</property>
-                        <property name="draw_indicator">True</property>
-                      </object>
-                      <packing>
-                        <property name="right_attach">2</property>
-                        <property name="top_attach">1</property>
-                        <property name="bottom_attach">2</property>
-                        <property name="y_options">GTK_EXPAND</property>
-                      </packing>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="position">0</property>
-                  </packing>
-                </child>
-              </object>
-              <packing>
-                <property name="position">1</property>
-              </packing>
-            </child>
-            <child type="tab">
-              <object class="GtkLabel" id="label2">
-                <property name="visible">True</property>
-                <property name="label" translatable="yes">Keys</property>
-              </object>
-              <packing>
-                <property name="position">1</property>
-                <property name="tab_fill">False</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkHBox" id="hbox5">
-                <property name="visible">True</property>
-                <property name="border_width">12</property>
-                <property name="spacing">6</property>
-                <child>
-                  <object class="GtkTable" id="table1">
-                    <property name="visible">True</property>
-                    <property name="n_rows">3</property>
-                    <property name="n_columns">2</property>
-                    <property name="column_spacing">6</property>
-                    <property name="row_spacing">6</property>
-                    <child>
-                      <object class="GtkColorButton" id="normal_state_color_button">
-                        <property name="visible">True</property>
-                        <property name="can_focus">True</property>
-                        <property name="receives_default">True</property>
-                        <property name="color">#000000000000</property>
-                        <accessibility>
-                          <relation type="labelled-by" target="label4"/>
-                        </accessibility>
-                      </object>
-                      <packing>
-                        <property name="left_attach">1</property>
-                        <property name="right_attach">2</property>
-                      </packing>
-                    </child>
-                    <child>
-                      <object class="GtkColorButton" id="mouse_over_color_button">
-                        <property name="visible">True</property>
-                        <property name="can_focus">True</property>
-                        <property name="receives_default">True</property>
-                        <property name="color">#000000000000</property>
-                        <accessibility>
-                          <relation type="labelled-by" target="label7"/>
-                        </accessibility>
-                      </object>
-                      <packing>
-                        <property name="left_attach">1</property>
-                        <property name="right_attach">2</property>
-                        <property name="top_attach">1</property>
-                        <property name="bottom_attach">2</property>
-                      </packing>
-                    </child>
-                    <child>
-                      <object class="GtkLabel" id="label4">
-                        <property name="visible">True</property>
-                        <property name="xalign">0</property>
-                        <property name="label" translatable="yes">Normal state:</property>
-                        <accessibility>
-                          <relation type="label-for" target="normal_state_color_button"/>
-                        </accessibility>
-                      </object>
-                      <packing>
-                        <property name="x_options">GTK_FILL</property>
-                      </packing>
-                    </child>
-                    <child>
-                      <object class="GtkLabel" id="label7">
-                        <property name="visible">True</property>
-                        <property name="xalign">0</property>
-                        <property name="label" translatable="yes">Mouse over:</property>
-                        <accessibility>
-                          <relation type="label-for" target="mouse_over_color_button"/>
-                        </accessibility>
-                      </object>
-                      <packing>
-                        <property name="top_attach">1</property>
-                        <property name="bottom_attach">2</property>
-                        <property name="x_options">GTK_FILL</property>
-                      </packing>
-                    </child>
-                    <child>
-                      <object class="GtkCheckButton" id="default_colors_checkbox">
-                        <property name="label" translatable="yes">Use Defaults</property>
-                        <property name="visible">True</property>
-                        <property name="can_focus">True</property>
-                        <property name="receives_default">False</property>
-                        <property name="draw_indicator">True</property>
-                      </object>
-                      <packing>
-                        <property name="right_attach">2</property>
-                        <property name="top_attach">2</property>
-                        <property name="bottom_attach">3</property>
-                      </packing>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="position">0</property>
-                  </packing>
-                </child>
-              </object>
-              <packing>
-                <property name="position">2</property>
-              </packing>
-            </child>
-            <child type="tab">
-              <object class="GtkLabel" id="label3">
-                <property name="visible">True</property>
-                <property name="label" translatable="yes">Colors</property>
-              </object>
-              <packing>
-                <property name="position">2</property>
-                <property name="tab_fill">False</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkHBox" id="hbox4">
-                <property name="visible">True</property>
-                <child>
-                  <object class="GtkTable" id="table3">
-                    <property name="visible">True</property>
-                    <property name="n_rows">10</property>
-                    <property name="n_columns">2</property>
-                    <child>
-                      <object class="GtkCheckButton" id="scan_enabled_checkbox">
-                        <property name="label" translatable="yes">_Scan enabled</property>
-                        <property name="visible">True</property>
-                        <property name="can_focus">True</property>
-                        <property name="receives_default">False</property>
-                        <property name="use_underline">True</property>
-                        <property name="draw_indicator">True</property>
-                      </object>
-                      <packing>
-                        <property name="right_attach">2</property>
-                      </packing>
-                    </child>
-                    <child>
-                      <object class="GtkCheckButton" id="reverse_scanning_checkbox">
-                        <property name="label" translatable="yes">Re_verse scanning</property>
-                        <property name="visible">True</property>
-                        <property name="can_focus">True</property>
-                        <property name="receives_default">False</property>
-                        <property name="use_underline">True</property>
-                        <property name="draw_indicator">True</property>
-                      </object>
-                      <packing>
-                        <property name="right_attach">2</property>
-                        <property name="top_attach">1</property>
-                        <property name="bottom_attach">2</property>
-                      </packing>
-                    </child>
-                    <child>
-                      <object class="GtkLabel" id="label11">
-                        <property name="visible">True</property>
-                        <property name="xalign">0.05000000074505806</property>
-                        <property name="label" translatable="yes">Ste_p time:</property>
-                        <property name="use_underline">True</property>
-                      </object>
-                      <packing>
-                        <property name="top_attach">9</property>
-                        <property name="bottom_attach">10</property>
-                      </packing>
-                    </child>
-                    <child>
-                      <object class="GtkSpinButton" id="step_time_spin">
-                        <property name="visible">True</property>
-                        <property name="can_focus">True</property>
-                        <property name="invisible_char">&#x25CF;</property>
-                        <property name="adjustment">adjustment1</property>
-                      </object>
-                      <packing>
-                        <property name="left_attach">1</property>
-                        <property name="right_attach">2</property>
-                        <property name="top_attach">9</property>
-                        <property name="bottom_attach">10</property>
-                      </packing>
-                    </child>
-                    <child>
-                      <object class="GtkRadioButton" id="keyboard_switch_radio">
-                        <property name="label" translatable="yes">_Keyboard switch</property>
-                        <property name="visible">True</property>
-                        <property name="can_focus">True</property>
-                        <property name="receives_default">False</property>
-                        <property name="use_underline">True</property>
-                        <property name="draw_indicator">True</property>
-                        <property name="group">mouse_switch_radio</property>
-                      </object>
-                      <packing>
-                        <property name="top_attach">8</property>
-                        <property name="bottom_attach">9</property>
-                      </packing>
-                    </child>
-                    <child>
-                      <object class="GtkComboBox" id="keyboard_key_combo">
-                        <property name="visible">True</property>
-                        <property name="model">liststore4</property>
-                        <child>
-                          <object class="GtkCellRendererCombo" id="cellrenderertext4"/>
-                          <attributes>
-                            <attribute name="text">0</attribute>
-                          </attributes>
-                        </child>
-                      </object>
-                      <packing>
-                        <property name="left_attach">1</property>
-                        <property name="right_attach">2</property>
-                        <property name="top_attach">8</property>
-                        <property name="bottom_attach">9</property>
-                      </packing>
-                    </child>
-                    <child>
-                      <object class="GtkComboBox" id="mouse_button_combo">
-                        <property name="visible">True</property>
-                        <property name="model">liststore3</property>
-                        <child>
-                          <object class="GtkCellRendererCombo" id="cellrenderertext3"/>
-                          <attributes>
-                            <attribute name="text">0</attribute>
-                          </attributes>
-                        </child>
-                      </object>
-                      <packing>
-                        <property name="left_attach">1</property>
-                        <property name="right_attach">2</property>
-                        <property name="top_attach">7</property>
-                        <property name="bottom_attach">8</property>
-                      </packing>
-                    </child>
-                    <child>
-                      <object class="GtkRadioButton" id="mouse_switch_radio">
-                        <property name="label" translatable="yes">_Mouse switch</property>
-                        <property name="visible">True</property>
-                        <property name="can_focus">True</property>
-                        <property name="receives_default">False</property>
-                        <property name="use_underline">True</property>
-                        <property name="active">True</property>
-                        <property name="draw_indicator">True</property>
-                      </object>
-                      <packing>
-                        <property name="top_attach">7</property>
-                        <property name="bottom_attach">8</property>
-                      </packing>
-                    </child>
-                    <child>
-                      <object class="GtkComboBox" id="scanning_type_combo">
-                        <property name="visible">True</property>
-                        <property name="model">liststore2</property>
-                        <child>
-                          <object class="GtkCellRendererCombo" id="cellrenderertext2"/>
-                          <attributes>
-                            <attribute name="text">0</attribute>
-                          </attributes>
-                        </child>
-                      </object>
-                      <packing>
-                        <property name="left_attach">1</property>
-                        <property name="right_attach">2</property>
-                        <property name="top_attach">6</property>
-                        <property name="bottom_attach">7</property>
-                      </packing>
-                    </child>
-                    <child>
-                      <object class="GtkLabel" id="label10">
-                        <property name="visible">True</property>
-                        <property name="xalign">0.05000000074505806</property>
-                        <property name="label" translatable="yes">Scanning _type: </property>
-                        <property name="use_underline">True</property>
-                      </object>
-                      <packing>
-                        <property name="top_attach">6</property>
-                        <property name="bottom_attach">7</property>
-                      </packing>
-                    </child>
-                    <child>
-                      <object class="GtkColorButton" id="cancel_scanning_color_button">
-                        <property name="visible">True</property>
-                        <property name="can_focus">True</property>
-                        <property name="receives_default">True</property>
-                        <property name="color">#000000000000</property>
-                      </object>
-                      <packing>
-                        <property name="left_attach">1</property>
-                        <property name="right_attach">2</property>
-                        <property name="top_attach">5</property>
-                        <property name="bottom_attach">6</property>
-                      </packing>
-                    </child>
-                    <child>
-                      <object class="GtkLabel" id="label9">
-                        <property name="visible">True</property>
-                        <property name="xalign">0.05000000074505806</property>
-                        <property name="label" translatable="yes">_Cancel color: </property>
-                        <property name="use_underline">True</property>
-                      </object>
-                      <packing>
-                        <property name="top_attach">5</property>
-                        <property name="bottom_attach">6</property>
-                      </packing>
-                    </child>
-                    <child>
-                      <object class="GtkColorButton" id="button_scanning_color_button">
-                        <property name="visible">True</property>
-                        <property name="can_focus">True</property>
-                        <property name="receives_default">True</property>
-                        <property name="color">#000000000000</property>
-                      </object>
-                      <packing>
-                        <property name="left_attach">1</property>
-                        <property name="right_attach">2</property>
-                        <property name="top_attach">4</property>
-                        <property name="bottom_attach">5</property>
-                      </packing>
-                    </child>
-                    <child>
-                      <object class="GtkLabel" id="label8">
-                        <property name="visible">True</property>
-                        <property name="xalign">0.05000000074505806</property>
-                        <property name="label" translatable="yes">_Button color: </property>
-                        <property name="use_underline">True</property>
-                      </object>
-                      <packing>
-                        <property name="top_attach">4</property>
-                        <property name="bottom_attach">5</property>
-                      </packing>
-                    </child>
-                    <child>
-                      <object class="GtkColorButton" id="row_scanning_color_button">
-                        <property name="visible">True</property>
-                        <property name="can_focus">True</property>
-                        <property name="receives_default">True</property>
-                        <property name="color">#000000000000</property>
-                      </object>
-                      <packing>
-                        <property name="left_attach">1</property>
-                        <property name="right_attach">2</property>
-                        <property name="top_attach">3</property>
-                        <property name="bottom_attach">4</property>
-                      </packing>
-                    </child>
-                    <child>
-                      <object class="GtkLabel" id="label6">
-                        <property name="visible">True</property>
-                        <property name="xalign">0.05000000074505806</property>
-                        <property name="label" translatable="yes">_Row color: </property>
-                        <property name="use_underline">True</property>
-                        <property name="ellipsize">start</property>
-                      </object>
-                      <packing>
-                        <property name="top_attach">3</property>
-                        <property name="bottom_attach">4</property>
-                        <property name="x_options">GTK_FILL</property>
-                      </packing>
-                    </child>
-                    <child>
-                      <object class="GtkLabel" id="label12">
-                        <property name="visible">True</property>
-                        <property name="xalign">0.05000000074505806</property>
-                        <property name="label" translatable="yes">B_lock color: </property>
-                        <property name="use_underline">True</property>
-                        <property name="ellipsize">start</property>
-                      </object>
-                      <packing>
-                        <property name="top_attach">2</property>
-                        <property name="bottom_attach">3</property>
-                        <property name="x_options">GTK_FILL</property>
-                      </packing>
-                    </child>
-                    <child>
-                      <object class="GtkColorButton" id="block_scanning_color_button">
-                        <property name="visible">True</property>
-                        <property name="can_focus">True</property>
-                        <property name="receives_default">True</property>
-                        <property name="color">#000000000000</property>
-                      </object>
-                      <packing>
-                        <property name="left_attach">1</property>
-                        <property name="right_attach">2</property>
-                        <property name="top_attach">2</property>
-                        <property name="bottom_attach">3</property>
-                      </packing>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="position">0</property>
-                  </packing>
-                </child>
-              </object>
-              <packing>
-                <property name="position">3</property>
-              </packing>
-            </child>
-            <child type="tab">
-              <object class="GtkLabel" id="label5">
-                <property name="visible">True</property>
-                <property name="label" translatable="yes">Scanning</property>
-              </object>
-              <packing>
-                <property name="position">3</property>
-                <property name="tab_fill">False</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="fill">False</property>
-            <property name="position">1</property>
-          </packing>
-        </child>
-        <child internal-child="action_area">
-          <object class="GtkHButtonBox" id="dialog-action_area1">
-            <property name="visible">True</property>
-            <property name="layout_style">end</property>
-            <child>
-              <placeholder/>
-            </child>
-            <child>
-              <object class="GtkButton" id="button_close">
-                <property name="label">gtk-close</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="can_default">True</property>
-                <property name="receives_default">False</property>
-                <property name="use_stock">True</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">1</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="pack_type">end</property>
-            <property name="position">0</property>
-          </packing>
-        </child>
-      </object>
-    </child>
-    <action-widgets>
-      <action-widget response="0">button_close</action-widget>
-    </action-widgets>
-  </object>
-  <object class="GtkListStore" id="liststore2">
-    <columns>
-      <!-- column-name gchararray1 -->
-      <column type="gchararray"/>
-    </columns>
-  </object>
-  <object class="GtkListStore" id="liststore3">
-    <columns>
-      <!-- column-name gchararray1 -->
-      <column type="gchararray"/>
-    </columns>
-  </object>
-  <object class="GtkListStore" id="liststore4">
-    <columns>
-      <!-- column-name gchararray1 -->
-      <column type="gchararray"/>
-    </columns>
-  </object>
-  <object class="GtkAdjustment" id="adjustment1">
-    <property name="value">1000</property>
-    <property name="lower">100</property>
-    <property name="upper">10000</property>
-    <property name="step_increment">10</property>
-    <property name="page_increment">100</property>
-  </object>
-</interface>