[134] | 1 | /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- |
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| 2 | * |
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| 3 | * Copyright 2008 Red Hat, Inc, |
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| 4 | * |
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| 5 | * This program is free software; you can redistribute it and/or modify |
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| 6 | * it under the terms of the GNU General Public License as published by |
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| 7 | * the Free Software Foundation; either version 2 of the License, or |
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| 8 | * (at your option) any later version. |
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| 9 | * |
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| 10 | * This program is distributed in the hope that it will be useful, |
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| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 13 | * GNU General Public License for more details. |
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| 14 | * |
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| 15 | * You should have received a copy of the GNU General Public License |
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| 16 | * along with this program; if not, write to the Free Software |
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| 17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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| 18 | * |
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| 19 | * Written by : Matthias Clasen |
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| 20 | */ |
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| 21 | |
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| 22 | #include "config.h" |
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| 23 | |
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| 24 | #include <string.h> |
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| 25 | |
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| 26 | #include <glib.h> |
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| 27 | |
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| 28 | #include <gdk/gdkx.h> |
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| 29 | |
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| 30 | #ifdef HAVE_LIBXKLAVIER |
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| 31 | #include <libxklavier/xklavier.h> |
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| 32 | #endif |
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| 33 | |
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| 34 | #include <gconf/gconf-client.h> |
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| 35 | |
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| 36 | #include "gdm-layouts.h" |
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| 37 | |
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| 38 | typedef struct { |
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| 39 | GSList *list; |
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| 40 | const char *layout; |
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| 41 | } LayoutData; |
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| 42 | |
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| 43 | #ifdef HAVE_LIBXKLAVIER |
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| 44 | static XklEngine *engine = NULL; |
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| 45 | static XklConfigRegistry *config_registry = NULL; |
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| 46 | static XklConfigRec *initial_config = NULL; |
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| 47 | |
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| 48 | static void |
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| 49 | init_xkl (void) |
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| 50 | { |
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| 51 | if (config_registry == NULL) { |
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| 52 | engine = xkl_engine_get_instance (GDK_DISPLAY ()); |
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| 53 | xkl_engine_backup_names_prop (engine); |
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| 54 | config_registry = xkl_config_registry_get_instance (engine); |
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| 55 | xkl_config_registry_load (config_registry, FALSE); |
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| 56 | |
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| 57 | initial_config = xkl_config_rec_new (); |
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| 58 | if (!xkl_config_rec_get_from_backup (initial_config, engine)) { |
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| 59 | g_warning ("failed to load XKB configuration"); |
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| 60 | initial_config->model = g_strdup ("pc105"); |
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| 61 | } |
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| 62 | } |
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| 63 | } |
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| 64 | |
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| 65 | static char * |
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| 66 | xci_desc_to_utf8 (XklConfigItem * ci) |
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| 67 | { |
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| 68 | char *sd = g_strstrip (ci->description); |
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| 69 | return sd[0] == 0 ? g_strdup (ci->name) : |
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| 70 | g_locale_to_utf8 (sd, -1, NULL, NULL, NULL); |
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| 71 | } |
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| 72 | |
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| 73 | static void |
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| 74 | add_variant (XklConfigRegistry *config, |
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| 75 | const XklConfigItem *item, |
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| 76 | gpointer data) |
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| 77 | { |
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| 78 | LayoutData *ldata = data; |
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| 79 | |
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| 80 | ldata->list = g_slist_prepend (ldata->list, g_strdup_printf ("%s\t%s", ldata->layout, item->name)); |
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| 81 | } |
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| 82 | |
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| 83 | static void |
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| 84 | add_layout (XklConfigRegistry *config, |
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| 85 | const XklConfigItem *item, |
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| 86 | gpointer data) |
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| 87 | { |
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| 88 | LayoutData *ldata = data; |
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| 89 | |
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| 90 | ldata->layout = item->name; |
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| 91 | ldata->list = g_slist_prepend (ldata->list, g_strdup (item->name)); |
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| 92 | xkl_config_registry_foreach_layout_variant (config, item->name, add_variant, data); |
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| 93 | ldata->layout = NULL; |
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| 94 | } |
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| 95 | #endif |
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| 96 | |
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| 97 | gchar * |
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| 98 | gdm_get_layout_from_name (const char *name) |
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| 99 | { |
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| 100 | #ifdef HAVE_LIBXKLAVIER |
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| 101 | XklConfigItem *item; |
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| 102 | char *layout; |
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| 103 | char *variant; |
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| 104 | char *result; |
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| 105 | char *id1; |
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| 106 | char *id2; |
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| 107 | char *p; |
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| 108 | |
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| 109 | init_xkl (); |
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| 110 | |
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| 111 | id1 = g_strdup (name); |
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| 112 | p = strchr (id1, '\t'); |
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| 113 | |
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| 114 | if (p != NULL) { |
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| 115 | id2 = p + 1; |
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| 116 | *p = 0; |
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| 117 | } else { |
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| 118 | id2 = NULL; |
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| 119 | } |
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| 120 | |
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| 121 | item = xkl_config_item_new (); |
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| 122 | |
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| 123 | g_snprintf (item->name, XKL_MAX_CI_NAME_LENGTH, "%s", id1); |
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| 124 | if (xkl_config_registry_find_layout (config_registry, item)) { |
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| 125 | layout = xci_desc_to_utf8 (item); |
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| 126 | } else { |
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| 127 | layout = g_strdup_printf ("Layout %s", id1); |
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| 128 | } |
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| 129 | |
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| 130 | if (id2 != NULL) { |
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| 131 | g_snprintf (item->name, XKL_MAX_CI_NAME_LENGTH, "%s", id2); |
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| 132 | if (xkl_config_registry_find_variant (config_registry, id1, item)) |
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| 133 | variant = xci_desc_to_utf8 (item); |
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| 134 | else |
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| 135 | variant = g_strdup_printf ("Variant %s", id2); |
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| 136 | } else { |
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| 137 | variant = NULL; |
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| 138 | } |
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| 139 | |
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| 140 | g_object_unref (item); |
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| 141 | |
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| 142 | g_free (id1); |
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| 143 | |
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| 144 | if (variant != NULL) { |
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| 145 | result = g_strdup_printf ("%s (%s)", layout, variant); |
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| 146 | g_free (layout); |
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| 147 | g_free (variant); |
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| 148 | } else { |
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| 149 | result = layout; |
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| 150 | } |
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| 151 | |
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| 152 | return result; |
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| 153 | #else |
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| 154 | return NULL; |
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| 155 | #endif |
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| 156 | } |
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| 157 | |
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| 158 | char ** |
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| 159 | gdm_get_all_layout_names (void) |
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| 160 | { |
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| 161 | #ifdef HAVE_LIBXKLAVIER |
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| 162 | GSList *l; |
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| 163 | int len; |
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| 164 | int i; |
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| 165 | char **layouts; |
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| 166 | LayoutData data; |
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| 167 | |
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| 168 | data.list = NULL; |
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| 169 | data.layout = NULL; |
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| 170 | |
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| 171 | init_xkl (); |
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| 172 | |
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| 173 | xkl_config_registry_foreach_layout (config_registry, add_layout, &data); |
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| 174 | |
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| 175 | len = g_slist_length (data.list); |
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| 176 | |
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| 177 | layouts = g_new (char *, len + 1); |
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| 178 | layouts[len] = NULL; |
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| 179 | |
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| 180 | for (i = 0, l = data.list; i < len; i++, l = l->next) { |
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| 181 | layouts[len - i - 1] = l->data; |
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| 182 | } |
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| 183 | |
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| 184 | g_slist_free (data.list); |
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| 185 | |
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| 186 | return layouts; |
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| 187 | #else |
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| 188 | return NULL; |
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| 189 | #endif |
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| 190 | } |
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| 191 | |
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| 192 | gboolean |
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| 193 | gdm_layout_is_valid (const char *layout_variant) |
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| 194 | { |
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| 195 | #ifdef HAVE_LIBXKLAVIER |
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| 196 | XklConfigItem *item; |
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| 197 | char *layout; |
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| 198 | char *variant; |
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| 199 | gboolean retval; |
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| 200 | |
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| 201 | layout = g_strdup (layout_variant); |
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| 202 | variant = strchr (layout, '\t'); |
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| 203 | if (variant != NULL) { |
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| 204 | variant[0] = '\0'; |
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| 205 | variant++; |
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| 206 | } |
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| 207 | |
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| 208 | item = xkl_config_item_new (); |
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| 209 | g_snprintf (item->name, XKL_MAX_CI_NAME_LENGTH, "%s", layout); |
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| 210 | |
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| 211 | retval = xkl_config_registry_find_layout (config_registry, item); |
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| 212 | |
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| 213 | if (retval && variant != NULL) { |
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| 214 | g_snprintf (item->name, XKL_MAX_CI_NAME_LENGTH, "%s", variant); |
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| 215 | retval = xkl_config_registry_find_variant (config_registry, layout, item); |
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| 216 | } |
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| 217 | |
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| 218 | g_object_unref (item); |
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| 219 | g_free (layout); |
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| 220 | |
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| 221 | return retval; |
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| 222 | #else |
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| 223 | return TRUE; |
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| 224 | #endif |
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| 225 | } |
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| 226 | |
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| 227 | const char * |
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| 228 | gdm_layout_get_default_layout (void) |
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| 229 | { |
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| 230 | #ifdef HAVE_LIBXKLAVIER |
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| 231 | init_xkl (); |
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| 232 | |
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| 233 | if (initial_config->layouts) |
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| 234 | return initial_config->layouts[0]; |
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| 235 | else |
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| 236 | return NULL; |
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| 237 | #else |
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| 238 | return NULL; |
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| 239 | #endif |
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| 240 | } |
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| 241 | |
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| 242 | void |
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| 243 | gdm_layout_activate (const char *layout) |
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| 244 | { |
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| 245 | #ifdef HAVE_LIBXKLAVIER |
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| 246 | XklConfigRec *config; |
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| 247 | char *p; |
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| 248 | |
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| 249 | init_xkl (); |
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| 250 | |
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| 251 | config = xkl_config_rec_new (); |
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| 252 | config->model = g_strdup (initial_config->model); |
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| 253 | |
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| 254 | if (layout == NULL) { |
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| 255 | config->layouts = g_strdupv (initial_config->layouts); |
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| 256 | config->variants = g_strdupv (initial_config->variants); |
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| 257 | config->options = g_strdupv (initial_config->options); |
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| 258 | } else { |
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| 259 | config->layouts = g_new0 (char *, 2); |
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| 260 | config->layouts[0] = g_strdup (layout); |
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| 261 | |
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| 262 | p = strchr (config->layouts[0], '\t'); |
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| 263 | if (p != NULL) { |
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| 264 | config->variants = g_new0 (char *, 2); |
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| 265 | config->layouts[0][p - config->layouts[0]] = 0; |
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| 266 | config->variants[0] = g_strdup (p + 1); |
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| 267 | } |
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| 268 | } |
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| 269 | |
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| 270 | xkl_config_rec_activate (config, engine); |
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| 271 | |
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| 272 | g_object_unref (config); |
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| 273 | #endif |
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| 274 | } |
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| 275 | |
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