1 files changed, 138 insertions, 0 deletions
diff --git a/app/widgets/gimplanguagecombobox.c b/app/widgets/gimplanguagecombobox.c
new file mode 100644
index 0000000..4282774
--- /dev/null
+++ b/app/widgets/gimplanguagecombobox.c
@@ -0,0 +1,138 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimplanguagecombobox.c
+ * Copyright (C) 2009  Sven Neumann <sven@gimp.org>
+ *
+ * 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, see <https://www.gnu.org/licenses/>.
+ */
+
+/* GimpLanguageComboBox is a combo-box widget to select the user
+ * interface language.
+ */
+
+#include "config.h"
+
+#include <string.h>
+
+#include <gtk/gtk.h>
+
+#include "widgets-types.h"
+
+#include "gimplanguagecombobox.h"
+#include "gimptranslationstore.h"
+
+
+struct _GimpLanguageComboBox
+{
+  GtkComboBox parent_instance;
+};
+
+
+G_DEFINE_TYPE (GimpLanguageComboBox,
+               gimp_language_combo_box, GTK_TYPE_COMBO_BOX)
+
+#define parent_class gimp_language_combo_box_parent_class
+
+
+static void
+gimp_language_combo_box_class_init (GimpLanguageComboBoxClass *klass)
+{
+}
+
+static void
+gimp_language_combo_box_init (GimpLanguageComboBox *combo)
+{
+  GtkCellRenderer *renderer;
+
+  renderer = gtk_cell_renderer_text_new ();
+
+  gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo), renderer, TRUE);
+  gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combo), renderer,
+                                  "text",  GIMP_LANGUAGE_STORE_LABEL,
+                                  NULL);
+}
+
+/**
+ * gimp_language_combo_box_new:
+ * @manual_l18n: get only the sublist of manual languages.
+ * @empty_label: the label for empty language code.
+ *
+ * Returns a combo box containing all GUI localization languages if
+ * @manual_l18n is #FALSE, or all manual localization languages
+ * otherwise. If @empty_label is not #NULL, an entry with this label
+ * will be created for the language code "", otherwise if @empty_label
+ * is #NULL and @manual_l18n is #FALSE, the entry will be "System
+ * Language" localized in itself (not in the GUI language).
+ */
+GtkWidget *
+gimp_language_combo_box_new (gboolean     manual_l18n,
+                             const gchar *empty_label)
+{
+  GtkWidget    *combo;
+  GtkListStore *store;
+
+  store = gimp_translation_store_new (manual_l18n, empty_label);
+  combo = g_object_new (GIMP_TYPE_LANGUAGE_COMBO_BOX,
+                        "model", store,
+                        NULL);
+
+  g_object_unref (store);
+
+  return combo;
+}
+
+gchar *
+gimp_language_combo_box_get_code (GimpLanguageComboBox *combo)
+{
+  GtkTreeIter  iter;
+  gchar       *code;
+
+  g_return_val_if_fail (GIMP_IS_LANGUAGE_COMBO_BOX (combo), NULL);
+
+  if (! gtk_combo_box_get_active_iter (GTK_COMBO_BOX (combo), &iter))
+    return NULL;
+
+  gtk_tree_model_get (gtk_combo_box_get_model (GTK_COMBO_BOX (combo)), &iter,
+                      GIMP_LANGUAGE_STORE_CODE, &code,
+                      -1);
+
+  return code;
+}
+
+gboolean
+gimp_language_combo_box_set_code (GimpLanguageComboBox *combo,
+                                  const gchar          *code)
+{
+  GtkTreeModel *model;
+  GtkTreeIter   iter;
+
+  g_return_val_if_fail (GIMP_IS_LANGUAGE_COMBO_BOX (combo), FALSE);
+
+  if (! code || ! strlen (code))
+    {
+      gtk_combo_box_set_active (GTK_COMBO_BOX (combo), 0);
+      return TRUE;
+    }
+
+  model = gtk_combo_box_get_model (GTK_COMBO_BOX (combo));
+
+  if (gimp_language_store_lookup (GIMP_LANGUAGE_STORE (model), code, &iter))
+    {
+      gtk_combo_box_set_active_iter (GTK_COMBO_BOX (combo), &iter);
+      return TRUE;
+    }
+
+  return FALSE;
+}