1 /* -*- Mode: C; indent-tabs-mode:nil; tab-width:4 -*-
3 * Copyright (C) 2010 Robert Ancell.
4 * Author: Robert Ancell <robert.ancell@canonical.com>
6 * This library is free software; you can redistribute it and/or modify it under
7 * the terms of the GNU Lesser General Public License as published by the Free
8 * Software Foundation; either version 2 or version 3 of the License.
9 * See http://www.gnu.org/copyleft/lgpl.html the full text of the license.
12 #include <libxklavier/xklavier.h>
14 #include "lightdm/layout.h"
18 PROP_SHORT_DESCRIPTION,
25 gchar *short_description;
27 } LightDMLayoutPrivate;
29 G_DEFINE_TYPE (LightDMLayout, lightdm_layout, G_TYPE_OBJECT);
31 #define GET_PRIVATE(obj) G_TYPE_INSTANCE_GET_PRIVATE ((obj), LIGHTDM_TYPE_LAYOUT, LightDMLayoutPrivate)
33 static gboolean have_layouts = FALSE;
34 static Display *display = NULL;
35 static XklEngine *xkl_engine = NULL;
36 static XklConfigRec *xkl_config = NULL;
37 static GList *layouts = NULL;
38 static LightDMLayout *default_layout = NULL;
41 make_layout_string (const gchar *layout, const gchar *variant)
43 if (!layout || layout[0] == 0)
45 else if (!variant || variant[0] == 0)
46 return g_strdup (layout);
48 return g_strdup_printf ("%s\t%s", layout, variant);
52 parse_layout_string (const gchar *name, gchar **layout, gchar **variant)
62 split = g_strsplit (name, "\t", 2);
65 *layout = g_strdup (split[0]);
67 *variant = g_strdup (split[1]);
73 variant_cb (XklConfigRegistry *config,
74 const XklConfigItem *item,
77 LightDMLayout *layout;
80 full_name = make_layout_string (data, item->name);
82 layout = g_object_new (LIGHTDM_TYPE_LAYOUT, "name", full_name, "short-description", item->short_description, "description", item->description, NULL);
83 layouts = g_list_append (layouts, layout);
89 layout_cb (XklConfigRegistry *config,
90 const XklConfigItem *item,
93 LightDMLayout *layout;
95 layout = g_object_new (LIGHTDM_TYPE_LAYOUT, "name", item->name, "short-description", item->short_description, "description", item->description, NULL);
96 layouts = g_list_append (layouts, layout);
98 xkl_config_registry_foreach_layout_variant (config, item->name, variant_cb, (gpointer) item->name);
102 * lightdm_get_layouts:
104 * Get a list of keyboard layouts to present to the user.
106 * Return value: (element-type LightDMLayout) (transfer none): A list of #LightDMLayout that should be presented to the user.
109 lightdm_get_layouts (void)
111 XklConfigRegistry *registry;
116 display = XOpenDisplay (NULL);
120 xkl_engine = xkl_engine_get_instance (display);
121 xkl_config = xkl_config_rec_new ();
122 if (!xkl_config_rec_get_from_server (xkl_config, xkl_engine))
123 g_warning ("Failed to get Xkl configuration from server");
125 registry = xkl_config_registry_get_instance (xkl_engine);
126 xkl_config_registry_load (registry, FALSE);
127 xkl_config_registry_foreach_layout (registry, layout_cb, NULL);
128 g_object_unref (registry);
136 * lightdm_set_layout:
137 * @layout: The layout to use
139 * Set the layout for this session.
142 lightdm_set_layout (LightDMLayout *dmlayout)
144 XklConfigRec *config;
145 gchar *layout, *variant;
147 g_return_if_fail (dmlayout != NULL);
149 g_debug ("Setting keyboard layout to '%s'", lightdm_layout_get_name (dmlayout));
151 parse_layout_string (lightdm_layout_get_name (dmlayout), &layout, &variant);
153 config = xkl_config_rec_new ();
154 config->layouts = g_malloc (sizeof (gchar *) * 2);
155 config->variants = g_malloc (sizeof (gchar *) * 2);
156 config->model = g_strdup (xkl_config->model);
157 config->layouts[0] = layout;
158 config->layouts[1] = NULL;
159 config->variants[0] = variant;
160 config->variants[1] = NULL;
161 if (!xkl_config_rec_activate (config, xkl_engine))
162 g_warning ("Failed to activate XKL config");
163 g_object_unref (config);
167 * lightdm_get_layout:
169 * Get the current keyboard layout.
171 * Return value: (transfer none): The currently active layout for this user.
174 lightdm_get_layout (void)
176 lightdm_get_layouts ();
178 if (layouts && xkl_config && !default_layout)
183 full_name = make_layout_string (xkl_config->layouts ? xkl_config->layouts[0] : NULL,
184 xkl_config->variants ? xkl_config->variants[0] : NULL);
186 for (item = layouts; item; item = item->next)
188 LightDMLayout *iter_layout = (LightDMLayout *) item->data;
189 if (g_strcmp0 (lightdm_layout_get_name (iter_layout), full_name) == 0)
191 default_layout = iter_layout;
199 return default_layout;
203 * lightdm_layout_get_name:
204 * @layout: A #LightDMLayout
206 * Get the name of a layout.
208 * Return value: The name of the layout
211 lightdm_layout_get_name (LightDMLayout *layout)
213 g_return_val_if_fail (LIGHTDM_IS_LAYOUT (layout), NULL);
214 return GET_PRIVATE (layout)->name;
218 * lightdm_layout_get_short_description:
219 * @layout: A #LightDMLayout
221 * Get the short description of a layout.
223 * Return value: A short description of the layout
226 lightdm_layout_get_short_description (LightDMLayout *layout)
228 g_return_val_if_fail (LIGHTDM_IS_LAYOUT (layout), NULL);
229 return GET_PRIVATE (layout)->short_description;
233 * lightdm_layout_get_description:
234 * @layout: A #LightDMLayout
236 * Get the long description of a layout.
238 * Return value: A long description of the layout
241 lightdm_layout_get_description (LightDMLayout *layout)
243 g_return_val_if_fail (LIGHTDM_IS_LAYOUT (layout), NULL);
244 return GET_PRIVATE (layout)->description;
248 lightdm_layout_init (LightDMLayout *layout)
253 lightdm_layout_set_property (GObject *object,
258 LightDMLayout *self = LIGHTDM_LAYOUT (object);
259 LightDMLayoutPrivate *priv = GET_PRIVATE (self);
264 priv->name = g_strdup (g_value_get_string (value));
266 case PROP_SHORT_DESCRIPTION:
267 g_free (priv->short_description);
268 priv->short_description = g_strdup (g_value_get_string (value));
270 case PROP_DESCRIPTION:
271 g_free (priv->description);
272 priv->description = g_strdup (g_value_get_string (value));
275 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
281 lightdm_layout_get_property (GObject *object,
288 self = LIGHTDM_LAYOUT (object);
292 g_value_set_string (value, lightdm_layout_get_name (self));
294 case PROP_SHORT_DESCRIPTION:
295 g_value_set_string (value, lightdm_layout_get_short_description (self));
297 case PROP_DESCRIPTION:
298 g_value_set_string (value, lightdm_layout_get_description (self));
301 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
307 lightdm_layout_class_init (LightDMLayoutClass *klass)
309 GObjectClass *object_class = G_OBJECT_CLASS (klass);
311 g_type_class_add_private (klass, sizeof (LightDMLayoutPrivate));
313 object_class->set_property = lightdm_layout_set_property;
314 object_class->get_property = lightdm_layout_get_property;
316 g_object_class_install_property (object_class,
318 g_param_spec_string ("name",
320 "Name of the layout",
322 G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
323 g_object_class_install_property (object_class,
324 PROP_SHORT_DESCRIPTION,
325 g_param_spec_string ("short-description",
327 "Short description of the layout",
329 G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
330 g_object_class_install_property (object_class,
332 g_param_spec_string ("description",
334 "Long description of the layout",
336 G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));