PIKApp/app/widgets/pikalanguagecombobox.c

143 lines
4.0 KiB
C

/* PIKA - Photo and Image Kooker Application
* a rebranding of The GNU Image Manipulation Program (created with heckimp)
* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
*
* Original copyright, applying to most contents (license remains unchanged):
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* pikalanguagecombobox.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/>.
*/
/* PikaLanguageComboBox 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 "pikalanguagecombobox.h"
#include "pikatranslationstore.h"
struct _PikaLanguageComboBox
{
GtkComboBox parent_instance;
};
G_DEFINE_TYPE (PikaLanguageComboBox,
pika_language_combo_box, GTK_TYPE_COMBO_BOX)
#define parent_class pika_language_combo_box_parent_class
static void
pika_language_combo_box_class_init (PikaLanguageComboBoxClass *klass)
{
}
static void
pika_language_combo_box_init (PikaLanguageComboBox *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", PIKA_LANGUAGE_STORE_LABEL,
NULL);
}
/**
* pika_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 *
pika_language_combo_box_new (gboolean manual_l18n,
const gchar *empty_label)
{
GtkWidget *combo;
GtkListStore *store;
store = pika_translation_store_new (manual_l18n, empty_label);
combo = g_object_new (PIKA_TYPE_LANGUAGE_COMBO_BOX,
"model", store,
NULL);
g_object_unref (store);
return combo;
}
gchar *
pika_language_combo_box_get_code (PikaLanguageComboBox *combo)
{
GtkTreeIter iter;
gchar *code;
g_return_val_if_fail (PIKA_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,
PIKA_LANGUAGE_STORE_CODE, &code,
-1);
return code;
}
gboolean
pika_language_combo_box_set_code (PikaLanguageComboBox *combo,
const gchar *code)
{
GtkTreeModel *model;
GtkTreeIter iter;
g_return_val_if_fail (PIKA_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 (pika_language_store_lookup (PIKA_LANGUAGE_STORE (model), code, &iter))
{
gtk_combo_box_set_active_iter (GTK_COMBO_BOX (combo), &iter);
return TRUE;
}
return FALSE;
}