[gnome-control-center] user-accounts: Move gdm-languages to common/



commit 930540ea283b46bf4f96ea18fc97ec108c562374
Author: Bastien Nocera <hadess hadess net>
Date:   Mon Jan 24 18:09:00 2011 +0000

    user-accounts: Move gdm-languages to common/
    
    Move gdm-languages and some of the helper functions to common/,
    so that we can share it with the region panel.

 configure.ac                                     |    1 +
 panels/Makefile.am                               |    1 +
 panels/common/cc-common-language.c               |  374 ++++++++++++++++++++++
 panels/common/cc-common-language.h               |   47 +++
 panels/{user-accounts => common}/gdm-languages.c |    0
 panels/{user-accounts => common}/gdm-languages.h |    0
 panels/{user-accounts => common}/locarchive.h    |    0
 panels/region/Makefile.am                        |    2 +
 panels/region/gnome-region-panel-lang.c          |   31 ++
 panels/region/gnome-region-panel-lang.h          |   30 ++
 panels/user-accounts/Makefile.am                 |    5 +-
 panels/user-accounts/um-language-dialog.c        |   31 +--
 12 files changed, 490 insertions(+), 32 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 6ea8608..395cf3b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -331,6 +331,7 @@ help/Makefile
 libgnome-control-center/Makefile
 libgnome-control-center/libgnome-control-center.pc
 panels/Makefile
+panels/common/Makefile
 panels/background/Makefile
 panels/background/gnome-background-panel.desktop.in
 panels/datetime/Makefile
diff --git a/panels/Makefile.am b/panels/Makefile.am
index 501f5fc..4527efe 100644
--- a/panels/Makefile.am
+++ b/panels/Makefile.am
@@ -1,4 +1,5 @@
 SUBDIRS= \
+	common \
 	background \
 	screen \
 	power \
diff --git a/panels/common/cc-common-language.c b/panels/common/cc-common-language.c
new file mode 100644
index 0000000..a78c1d7
--- /dev/null
+++ b/panels/common/cc-common-language.c
@@ -0,0 +1,374 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright 2009-2010  Red Hat, Inc,
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Written by: Matthias Clasen <mclasen redhat com>
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <locale.h>
+
+#include <glib.h>
+#include <glib/gi18n.h>
+#include <gtk/gtk.h>
+
+#include <fontconfig/fontconfig.h>
+
+#include "cc-common-language.h"
+
+#include "gdm-languages.h"
+
+#if 0
+struct _UmLanguageDialog {
+        GtkWidget *dialog;
+        GtkWidget *user_icon;
+        GtkWidget *user_name;
+        GtkWidget *dialog_combo;
+        GtkListStore *dialog_store;
+
+        GtkWidget *chooser;
+        GtkWidget *chooser_list;
+        GtkListStore *chooser_store;
+
+        char *language;
+//        UmUser *user;
+
+        gboolean force_setting;
+};
+#endif
+
+enum {
+        LOCALE_COL,
+        DISPLAY_LOCALE_COL,
+        NUM_COLS
+};
+#if 0
+gchar *
+um_language_chooser_get_language (GtkWidget *chooser)
+{
+        GtkTreeView *tv;
+        GtkTreeSelection *selection;
+        GtkTreeModel *model;
+        GtkTreeIter iter;
+        gchar *lang;
+
+        tv = (GtkTreeView *) g_object_get_data (G_OBJECT (chooser), "list");
+        selection = gtk_tree_view_get_selection (tv);
+        if (gtk_tree_selection_get_selected (selection, &model, &iter))
+                gtk_tree_model_get (model, &iter, LOCALE_COL, &lang, -1);
+        else
+                lang = NULL;
+
+        return lang;
+}
+#endif
+gint
+cc_common_language_sort_languages (GtkTreeModel *model,
+				   GtkTreeIter  *a,
+				   GtkTreeIter  *b,
+				   gpointer      data)
+{
+        char *ca, *cb;
+        char *la, *lb;
+        gint result;
+
+        gtk_tree_model_get (model, a, LOCALE_COL, &ca, DISPLAY_LOCALE_COL, &la, -1);
+        gtk_tree_model_get (model, b, LOCALE_COL, &cb, DISPLAY_LOCALE_COL, &lb, -1);
+
+        if (!ca)
+                result = 1;
+        else if (!cb)
+                result = -1;
+        else
+                result = strcmp (la, lb);
+
+        g_free (ca);
+        g_free (cb);
+        g_free (la);
+        g_free (lb);
+
+        return result;
+}
+
+#if 0
+gboolean
+um_get_iter_for_language (GtkTreeModel *model,
+                          const gchar  *lang,
+                          GtkTreeIter  *iter)
+{
+        char *l;
+        char *name;
+        char *language;
+
+        gtk_tree_model_get_iter_first (model, iter);
+        do {
+                gtk_tree_model_get (model, iter, LOCALE_COL, &l, -1);
+                if (g_strcmp0 (l, lang) == 0) {
+                        g_free (l);
+                        return TRUE;
+                }
+                g_free (l);
+        } while (gtk_tree_model_iter_next (model, iter));
+
+        name = gdm_normalize_language_name (lang);
+        if (name != NULL) {
+                language = gdm_get_language_from_name (name, NULL);
+
+                gtk_list_store_append (GTK_LIST_STORE (model), iter);
+                gtk_list_store_set (GTK_LIST_STORE (model), iter, LOCALE_COL, name, DISPLAY_LOCALE_COL, language, -1);
+                g_free (name);
+                g_free (language);
+                return TRUE;
+        }
+
+        return FALSE;
+}
+
+static void
+row_activated (GtkTreeView       *tree_view,
+               GtkTreePath       *path,
+               GtkTreeViewColumn *column,
+               GtkWidget         *chooser)
+{
+        gtk_dialog_response (GTK_DIALOG (chooser), GTK_RESPONSE_OK);
+}
+
+static gboolean
+language_has_font (const gchar *locale)
+{
+        const FcCharSet *charset;
+        FcPattern       *pattern;
+        FcObjectSet     *object_set;
+        FcFontSet       *font_set;
+        gchar           *language_code;
+        gboolean         is_displayable;
+
+        is_displayable = FALSE;
+        pattern = NULL;
+        object_set = NULL;
+        font_set = NULL;
+
+        if (!gdm_parse_language_name (locale, &language_code, NULL, NULL, NULL))
+                return FALSE;
+
+        charset = FcLangGetCharSet ((FcChar8 *) language_code);
+        if (!charset) {
+                /* fontconfig does not know about this language */
+                is_displayable = TRUE;
+        }
+        else {
+                /* see if any fonts support rendering it */
+                pattern = FcPatternBuild (NULL, FC_LANG, FcTypeString, language_code, NULL);
+
+                if (pattern == NULL)
+                        goto done;
+
+                object_set = FcObjectSetCreate ();
+
+                if (object_set == NULL)
+                        goto done;
+
+                font_set = FcFontList (NULL, pattern, object_set);
+
+                if (font_set == NULL)
+                        goto done;
+
+                is_displayable = (font_set->nfont > 0);
+        }
+
+ done:
+        if (font_set != NULL)
+                FcFontSetDestroy (font_set);
+
+        if (object_set != NULL)
+                FcObjectSetDestroy (object_set);
+
+        if (pattern != NULL)
+                FcPatternDestroy (pattern);
+
+        g_free (language_code);
+
+        return is_displayable;
+}
+
+static void
+add_available_languages (GtkListStore *store)
+{
+        char **languages;
+        int i;
+        char *name;
+        char *language;
+        GtkTreeIter iter;
+
+        gtk_list_store_clear (store);
+
+        languages = gdm_get_all_language_names ();
+
+        for (i = 0; languages[i] != NULL; i++) {
+                if (!language_has_font (languages[i]))
+                        continue;
+
+                name = gdm_normalize_language_name (languages[i]);
+                language = gdm_get_language_from_name (name, NULL);
+
+                gtk_list_store_append (store, &iter);
+                gtk_list_store_set (store, &iter, LOCALE_COL, name, DISPLAY_LOCALE_COL, language, -1);
+
+                g_free (name);
+                g_free (language);
+        }
+
+        g_strfreev (languages);
+}
+
+void
+um_add_user_languages (GtkTreeModel *model)
+{
+#if 0
+        GHashTable *seen;
+        GSList *users, *l;
+        UmUser *user;
+        const char *lang;
+        char *name;
+        char *language;
+        GtkTreeIter iter;
+        UmUserManager *manager;
+        GtkListStore *store = GTK_LIST_STORE (model);
+
+        gtk_list_store_clear (store);
+
+        seen = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
+
+        manager = um_user_manager_ref_default ();
+        users = um_user_manager_list_users (manager);
+        g_object_unref (manager);
+
+        for (l = users; l; l = l->next) {
+                user = l->data;
+                lang = um_user_get_language (user);
+                if (!lang || !language_has_font (lang)) {
+                        continue;
+                }
+
+                name = gdm_normalize_language_name (lang);
+
+                if (g_hash_table_lookup (seen, name)) {
+                        g_free (name);
+                        continue;
+                }
+
+                g_hash_table_insert (seen, name, GINT_TO_POINTER (TRUE));
+
+                language = gdm_get_language_from_name (name, NULL);
+                gtk_list_store_append (store, &iter);
+                gtk_list_store_set (store, &iter, LOCALE_COL, name, DISPLAY_LOCALE_COL, language, -1);
+
+                g_free (language);
+        }
+
+        g_slist_free (users);
+
+        /* Make sure the current locale is present */
+        name = um_get_current_language ();
+
+        if (!g_hash_table_lookup (seen, name)) {
+                language = gdm_get_language_from_name (name, NULL);
+                gtk_list_store_append (store, &iter);
+                gtk_list_store_set (store, &iter, LOCALE_COL, name, DISPLAY_LOCALE_COL, language, -1);
+                g_free (language);
+        }
+
+        g_free (name);
+
+        g_hash_table_destroy (seen);
+
+        gtk_list_store_append (store, &iter);
+        gtk_list_store_set (store, &iter, LOCALE_COL, NULL, DISPLAY_LOCALE_COL, _("Other..."), -1);
+#endif
+}
+
+gchar *
+um_get_current_language (void)
+{
+        gchar *language;
+        const gchar *locale;
+
+        locale = (const gchar *) setlocale (LC_MESSAGES, NULL);
+        if (locale)
+                language = gdm_normalize_language_name (locale);
+        else
+                language = NULL;
+
+        return language;
+}
+
+GtkWidget *
+um_language_chooser_new (void)
+{
+        GtkBuilder *builder;
+        const char *filename;
+        GError *error = NULL;
+        GtkWidget *chooser;
+        GtkWidget *list;
+        GtkWidget *button;
+        GtkTreeViewColumn *column;
+        GtkCellRenderer *cell;
+        GtkListStore *store;
+
+        builder = gtk_builder_new ();
+        filename = UIDIR "/language-chooser.ui";
+        if (!g_file_test (filename, G_FILE_TEST_EXISTS))
+                filename = "data/language-chooser.ui";
+        if (!gtk_builder_add_from_file (builder, filename, &error)) {
+                g_warning ("failed to load language chooser: %s", error->message);
+                g_error_free (error);
+                return NULL;
+        }
+
+        chooser = (GtkWidget *) gtk_builder_get_object (builder, "dialog");
+
+        list = (GtkWidget *) gtk_builder_get_object (builder, "language-list");
+        g_object_set_data (G_OBJECT (chooser), "list", list);
+        g_signal_connect (list, "row-activated",
+                          G_CALLBACK (row_activated), chooser);
+
+        button = (GtkWidget *) gtk_builder_get_object (builder, "cancel-button");
+        button = (GtkWidget *) gtk_builder_get_object (builder, "ok-button");
+        gtk_widget_grab_default (button);
+
+        cell = gtk_cell_renderer_text_new ();
+        column = gtk_tree_view_column_new_with_attributes (NULL, cell, "text", DISPLAY_LOCALE_COL, NULL);
+        gtk_tree_view_append_column (GTK_TREE_VIEW (list), column);
+        store = gtk_list_store_new (NUM_COLS, G_TYPE_STRING, G_TYPE_STRING);
+        gtk_tree_sortable_set_default_sort_func (GTK_TREE_SORTABLE (store),
+                                                 sort_languages, NULL, NULL);
+        gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (store),
+                                              GTK_TREE_SORTABLE_DEFAULT_SORT_COLUMN_ID,
+                                              GTK_SORT_ASCENDING);
+
+        gtk_tree_view_set_model (GTK_TREE_VIEW (list), GTK_TREE_MODEL (store));
+
+        add_available_languages (store);
+
+        g_object_unref (builder);
+
+        return chooser;
+}
+
+#endif
diff --git a/panels/common/cc-common-language.h b/panels/common/cc-common-language.h
new file mode 100644
index 0000000..4351826
--- /dev/null
+++ b/panels/common/cc-common-language.h
@@ -0,0 +1,47 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright 2009-2010  Red Hat, Inc,
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Written by: Matthias Clasen <mclasen redhat com>
+ */
+
+#ifndef __CC_COMMON_LANGUAGE_H__
+#define __CC_COMMON_LANGUAGE_H__
+
+#include <gtk/gtk.h>
+
+G_BEGIN_DECLS
+
+#if 0
+void              um_add_user_languages       (GtkTreeModel     *model);
+gchar            *um_get_current_language     (void);
+gboolean          um_get_iter_for_language    (GtkTreeModel     *model,
+                                               const gchar      *lang,
+                                               GtkTreeIter      *iter);
+
+GtkWidget        *um_language_chooser_new          (void);
+gchar            *um_language_chooser_get_language (GtkWidget *chooser);
+#endif
+
+gint cc_common_language_sort_languages (GtkTreeModel *model,
+					GtkTreeIter  *a,
+					GtkTreeIter  *b,
+					gpointer      data);
+
+G_END_DECLS
+
+#endif
diff --git a/panels/user-accounts/gdm-languages.c b/panels/common/gdm-languages.c
similarity index 100%
rename from panels/user-accounts/gdm-languages.c
rename to panels/common/gdm-languages.c
diff --git a/panels/user-accounts/gdm-languages.h b/panels/common/gdm-languages.h
similarity index 100%
rename from panels/user-accounts/gdm-languages.h
rename to panels/common/gdm-languages.h
diff --git a/panels/user-accounts/locarchive.h b/panels/common/locarchive.h
similarity index 100%
rename from panels/user-accounts/locarchive.h
rename to panels/common/locarchive.h
diff --git a/panels/region/Makefile.am b/panels/region/Makefile.am
index 7ca4992..19811c8 100644
--- a/panels/region/Makefile.am
+++ b/panels/region/Makefile.am
@@ -17,6 +17,8 @@ libregion_la_SOURCES =	\
 	region-module.c \
 	cc-region-panel.c \
 	cc-region-panel.h \
+	gnome-region-panel-lang.c \
+	gnome-region-panel-lang.h \
 	gnome-region-panel-xkb.c \
 	gnome-region-panel-xkbmc.c \
 	gnome-region-panel-xkblt.c \
diff --git a/panels/region/gnome-region-panel-lang.c b/panels/region/gnome-region-panel-lang.c
new file mode 100644
index 0000000..cd09c9a
--- /dev/null
+++ b/panels/region/gnome-region-panel-lang.c
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2010 Bastien Nocera
+ *
+ * Written by: Bastien Nocera <hadess hadess net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <string.h>
+#include <glib/gi18n.h>
+
+#include "gnome-region-panel-lang.h"
+
+
diff --git a/panels/region/gnome-region-panel-lang.h b/panels/region/gnome-region-panel-lang.h
new file mode 100644
index 0000000..7afe27e
--- /dev/null
+++ b/panels/region/gnome-region-panel-lang.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2010 Bastien Nocera
+ *
+ * Written by: Bastien Nocera <hadess hadess net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ */
+
+#ifndef __GNOME_KEYBOARD_PROPERTY_LANG_H
+#define __GNOME_KEYBOARD_PROPERTY_LANG_H
+
+#include <gtk/gtk.h>
+
+G_BEGIN_DECLS
+
+G_END_DECLS
+#endif /* __GNOME_KEYBOARD_PROPERTY_LANG_H */
diff --git a/panels/user-accounts/Makefile.am b/panels/user-accounts/Makefile.am
index 398875d..3f01cf0 100644
--- a/panels/user-accounts/Makefile.am
+++ b/panels/user-accounts/Makefile.am
@@ -14,6 +14,7 @@ AM_CPPFLAGS =						\
 	-DLIBLOCALEDIR=\""$(prefix)/lib/locale"\"       \
 	-DGNOMELOCALEDIR=\""$(datadir)/locale"\"        \
 	-DUM_PIXMAP_DIR=\""$(pkgdatadir)/pixmaps"\"	\
+	-I$(srcdir)/../common/				\
 	$(PANEL_CFLAGS)					\
 	$(GNOME_DESKTOP_CFLAGS) 			\
 	$(POLKIT_CFLAGS)				\
@@ -34,8 +35,6 @@ libuser_accounts_la_CFLAGS = 		\
 	$(PANEL_CFLAGS)
 
 libuser_accounts_la_SOURCES =		\
-	gdm-languages.h 		\
-	gdm-languages.c 		\
 	um-account-type.h		\
 	um-account-type.c 		\
 	um-user.h 			\
@@ -84,12 +83,12 @@ libuser_accounts_la_LIBADD = 		\
 	$(DBUS_LIBS)			\
 	$(GIO_LIBS)			\
 	$(CAPPLET_LIBS)			\
+	$(top_builddir)/panels/common/liblanguage.la \
 	-lcrypt
 
 libuser_accounts_la_LDFLAGS = $(PANEL_LDFLAGS)
 
 EXTRA_DIST = \
-	locarchive.h \
 	fprintd-marshal.list
 
 CLEANFILES =				\
diff --git a/panels/user-accounts/um-language-dialog.c b/panels/user-accounts/um-language-dialog.c
index 24fa485..6eee2ee 100644
--- a/panels/user-accounts/um-language-dialog.c
+++ b/panels/user-accounts/um-language-dialog.c
@@ -32,6 +32,7 @@
 
 #include "um-language-dialog.h"
 #include "um-user-manager.h"
+#include "cc-common-language.h"
 
 #include "gdm-languages.h"
 
@@ -77,34 +78,6 @@ um_language_chooser_get_language (GtkWidget *chooser)
         return lang;
 }
 
-static gint
-sort_languages (GtkTreeModel *model,
-                GtkTreeIter  *a,
-                GtkTreeIter  *b,
-                gpointer      data)
-{
-        char *ca, *cb;
-        char *la, *lb;
-        gint result;
-
-        gtk_tree_model_get (model, a, LOCALE_COL, &ca, DISPLAY_LOCALE_COL, &la, -1);
-        gtk_tree_model_get (model, b, LOCALE_COL, &cb, DISPLAY_LOCALE_COL, &lb, -1);
-
-        if (!ca)
-                result = 1;
-        else if (!cb)
-                result = -1;
-        else
-                result = strcmp (la, lb);
-
-        g_free (ca);
-        g_free (cb);
-        g_free (la);
-        g_free (lb);
-
-        return result;
-}
-
 gboolean
 um_get_iter_for_language (GtkTreeModel *model,
                           const gchar  *lang,
@@ -353,7 +326,7 @@ um_language_chooser_new (void)
         gtk_tree_view_append_column (GTK_TREE_VIEW (list), column);
         store = gtk_list_store_new (NUM_COLS, G_TYPE_STRING, G_TYPE_STRING);
         gtk_tree_sortable_set_default_sort_func (GTK_TREE_SORTABLE (store),
-                                                 sort_languages, NULL, NULL);
+                                                 cc_common_language_sort_languages, NULL, NULL);
         gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (store),
                                               GTK_TREE_SORTABLE_DEFAULT_SORT_COLUMN_ID,
                                               GTK_SORT_ASCENDING);



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