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Diffstat (limited to '')
-rw-r--r-- | src/VBox/Additions/linux/lightdm-greeter/liblightdm-gobject-1.5.0/layout.c | 344 |
1 files changed, 344 insertions, 0 deletions
diff --git a/src/VBox/Additions/linux/lightdm-greeter/liblightdm-gobject-1.5.0/layout.c b/src/VBox/Additions/linux/lightdm-greeter/liblightdm-gobject-1.5.0/layout.c new file mode 100644 index 00000000..d5057450 --- /dev/null +++ b/src/VBox/Additions/linux/lightdm-greeter/liblightdm-gobject-1.5.0/layout.c @@ -0,0 +1,344 @@ +/* -*- Mode: C; indent-tabs-mode:nil; tab-width:4 -*- + * + * Copyright (C) 2010 Robert Ancell. + * Author: Robert Ancell <robert.ancell@canonical.com> + * + * This library is free software; you can redistribute it and/or modify it under + * the terms of the GNU Lesser General Public License as published by the Free + * Software Foundation; either version 2 or version 3 of the License. + * See http://www.gnu.org/copyleft/lgpl.html the full text of the license. + */ + +/* + * Oracle LGPL Disclaimer: For the avoidance of doubt, except that if any license choice + * other than GPL or LGPL is available it will apply instead, Oracle elects to use only + * the Lesser General Public License version 2.1 (LGPLv2) at this time for any software where + * a choice of LGPL license versions is made available with the language indicating + * that LGPLv2 or any later version may be used, or where a choice of which version + * of the LGPL is applied is otherwise unspecified. + */ + +#include <libxklavier/xklavier.h> + +#include "lightdm/layout.h" + +enum { + PROP_0, + PROP_NAME, + PROP_SHORT_DESCRIPTION, + PROP_DESCRIPTION +}; + +typedef struct +{ + gchar *name; + gchar *short_description; + gchar *description; +} LightDMLayoutPrivate; + +G_DEFINE_TYPE (LightDMLayout, lightdm_layout, G_TYPE_OBJECT); + +#define GET_PRIVATE(obj) G_TYPE_INSTANCE_GET_PRIVATE ((obj), LIGHTDM_TYPE_LAYOUT, LightDMLayoutPrivate) + +static gboolean have_layouts = FALSE; +static Display *display = NULL; +static XklEngine *xkl_engine = NULL; +static XklConfigRec *xkl_config = NULL; +static GList *layouts = NULL; +static LightDMLayout *default_layout = NULL; + +static gchar * +make_layout_string (const gchar *layout, const gchar *variant) +{ + if (!layout || layout[0] == 0) + return NULL; + else if (!variant || variant[0] == 0) + return g_strdup (layout); + else + return g_strdup_printf ("%s\t%s", layout, variant); +} + +static void +parse_layout_string (const gchar *name, gchar **layout, gchar **variant) +{ + gchar **split; + + *layout = NULL; + *variant = NULL; + + if (!name) + return; + + split = g_strsplit (name, "\t", 2); + if (split[0]) + { + *layout = g_strdup (split[0]); + if (split[1]) + *variant = g_strdup (split[1]); + } + g_strfreev (split); +} + +static void +variant_cb (XklConfigRegistry *config, + const XklConfigItem *item, + gpointer data) +{ + LightDMLayout *layout; + gchar *full_name; + + full_name = make_layout_string (data, item->name); + + layout = g_object_new (LIGHTDM_TYPE_LAYOUT, "name", full_name, "short-description", item->short_description, "description", item->description, NULL); + layouts = g_list_append (layouts, layout); + + g_free (full_name); +} + +static void +layout_cb (XklConfigRegistry *config, + const XklConfigItem *item, + gpointer data) +{ + LightDMLayout *layout; + + layout = g_object_new (LIGHTDM_TYPE_LAYOUT, "name", item->name, "short-description", item->short_description, "description", item->description, NULL); + layouts = g_list_append (layouts, layout); + + xkl_config_registry_foreach_layout_variant (config, item->name, variant_cb, (gpointer) item->name); +} + +/** + * lightdm_get_layouts: + * + * Get a list of keyboard layouts to present to the user. + * + * Return value: (element-type LightDMLayout) (transfer none): A list of #LightDMLayout that should be presented to the user. + **/ +GList * +lightdm_get_layouts (void) +{ + XklConfigRegistry *registry; + + if (have_layouts) + return layouts; + + display = XOpenDisplay (NULL); + xkl_engine = xkl_engine_get_instance (display); + xkl_config = xkl_config_rec_new (); + if (!xkl_config_rec_get_from_server (xkl_config, xkl_engine)) + g_warning ("Failed to get Xkl configuration from server"); + + registry = xkl_config_registry_get_instance (xkl_engine); + xkl_config_registry_load (registry, FALSE); + xkl_config_registry_foreach_layout (registry, layout_cb, NULL); + g_object_unref (registry); + + have_layouts = TRUE; + + return layouts; +} + +/** + * lightdm_set_layout: + * @layout: The layout to use + * + * Set the layout for this session. + **/ +void +lightdm_set_layout (LightDMLayout *dmlayout) +{ + XklConfigRec *config; + gchar *layout, *variant; + + g_return_if_fail (dmlayout != NULL); + + g_debug ("Setting keyboard layout to '%s'", lightdm_layout_get_name (dmlayout)); + + parse_layout_string (lightdm_layout_get_name (dmlayout), &layout, &variant); + + config = xkl_config_rec_new (); + config->layouts = g_malloc (sizeof (gchar *) * 2); + config->variants = g_malloc (sizeof (gchar *) * 2); + config->model = g_strdup (xkl_config->model); + config->layouts[0] = layout; + config->layouts[1] = NULL; + config->variants[0] = variant; + config->variants[1] = NULL; + if (!xkl_config_rec_activate (config, xkl_engine)) + g_warning ("Failed to activate XKL config"); + g_object_unref (config); +} + +/** + * lightdm_get_layout: + * + * Get the current keyboard layout. + * + * Return value: (transfer none): The currently active layout for this user. + **/ +LightDMLayout * +lightdm_get_layout (void) +{ + lightdm_get_layouts (); + + if (layouts && xkl_config && !default_layout) + { + gchar *full_name; + GList *item; + + full_name = make_layout_string (xkl_config->layouts ? xkl_config->layouts[0] : NULL, + xkl_config->variants ? xkl_config->variants[0] : NULL); + + for (item = layouts; item; item = item->next) + { + LightDMLayout *iter_layout = (LightDMLayout *) item->data; + if (g_strcmp0 (lightdm_layout_get_name (iter_layout), full_name) == 0) + { + default_layout = iter_layout; + break; + } + } + + g_free (full_name); + } + + return default_layout; +} + +/** + * lightdm_layout_get_name: + * @layout: A #LightDMLayout + * + * Get the name of a layout. + * + * Return value: The name of the layout + **/ +const gchar * +lightdm_layout_get_name (LightDMLayout *layout) +{ + g_return_val_if_fail (LIGHTDM_IS_LAYOUT (layout), NULL); + return GET_PRIVATE (layout)->name; +} + +/** + * lightdm_layout_get_short_description: + * @layout: A #LightDMLayout + * + * Get the short description of a layout. + * + * Return value: A short description of the layout + **/ +const gchar * +lightdm_layout_get_short_description (LightDMLayout *layout) +{ + g_return_val_if_fail (LIGHTDM_IS_LAYOUT (layout), NULL); + return GET_PRIVATE (layout)->short_description; +} + +/** + * lightdm_layout_get_description: + * @layout: A #LightDMLayout + * + * Get the long description of a layout. + * + * Return value: A long description of the layout + **/ +const gchar * +lightdm_layout_get_description (LightDMLayout *layout) +{ + g_return_val_if_fail (LIGHTDM_IS_LAYOUT (layout), NULL); + return GET_PRIVATE (layout)->description; +} + +static void +lightdm_layout_init (LightDMLayout *layout) +{ +} + +static void +lightdm_layout_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec) +{ + LightDMLayout *self = LIGHTDM_LAYOUT (object); + LightDMLayoutPrivate *priv = GET_PRIVATE (self); + + switch (prop_id) { + case PROP_NAME: + g_free (priv->name); + priv->name = g_strdup (g_value_get_string (value)); + break; + case PROP_SHORT_DESCRIPTION: + g_free (priv->short_description); + priv->short_description = g_strdup (g_value_get_string (value)); + break; + case PROP_DESCRIPTION: + g_free (priv->description); + priv->description = g_strdup (g_value_get_string (value)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +lightdm_layout_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec) +{ + LightDMLayout *self; + + self = LIGHTDM_LAYOUT (object); + + switch (prop_id) { + case PROP_NAME: + g_value_set_string (value, lightdm_layout_get_name (self)); + break; + case PROP_SHORT_DESCRIPTION: + g_value_set_string (value, lightdm_layout_get_short_description (self)); + break; + case PROP_DESCRIPTION: + g_value_set_string (value, lightdm_layout_get_description (self)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +lightdm_layout_class_init (LightDMLayoutClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + g_type_class_add_private (klass, sizeof (LightDMLayoutPrivate)); + + object_class->set_property = lightdm_layout_set_property; + object_class->get_property = lightdm_layout_get_property; + + g_object_class_install_property (object_class, + PROP_NAME, + g_param_spec_string ("name", + "name", + "Name of the layout", + NULL, + G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY)); + g_object_class_install_property (object_class, + PROP_SHORT_DESCRIPTION, + g_param_spec_string ("short-description", + "short-description", + "Short description of the layout", + NULL, + G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY)); + g_object_class_install_property (object_class, + PROP_DESCRIPTION, + g_param_spec_string ("description", + "description", + "Long description of the layout", + NULL, + G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY)); +} |