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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimplanguageentry.c
* Copyright (C) 2008 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/>.
*/
/* GimpLanguageEntry is an entry widget that provides completion on
* translated language names. It is suited for specifying the language
* a text is written in.
*/
#include "config.h"
#include <string.h>
#include <gtk/gtk.h>
#include "widgets-types.h"
#include "gimplanguageentry.h"
#include "gimplanguagestore.h"
enum
{
PROP_0,
PROP_MODEL
};
struct _GimpLanguageEntry
{
GtkEntry parent_instance;
GtkListStore *store;
gchar *code; /* ISO 639-1 language code */
};
static void gimp_language_entry_constructed (GObject *object);
static void gimp_language_entry_finalize (GObject *object);
static void gimp_language_entry_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_language_entry_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static gboolean gimp_language_entry_language_selected (GtkEntryCompletion *completion,
GtkTreeModel *model,
GtkTreeIter *iter,
GimpLanguageEntry *entry);
G_DEFINE_TYPE (GimpLanguageEntry, gimp_language_entry, GTK_TYPE_ENTRY)
#define parent_class gimp_language_entry_parent_class
static void
gimp_language_entry_class_init (GimpLanguageEntryClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->constructed = gimp_language_entry_constructed;
object_class->finalize = gimp_language_entry_finalize;
object_class->set_property = gimp_language_entry_set_property;
object_class->get_property = gimp_language_entry_get_property;
g_object_class_install_property (object_class, PROP_MODEL,
g_param_spec_object ("model", NULL, NULL,
GIMP_TYPE_LANGUAGE_STORE,
G_PARAM_CONSTRUCT_ONLY |
GIMP_PARAM_READWRITE));
}
static void
gimp_language_entry_init (GimpLanguageEntry *entry)
{
}
static void
gimp_language_entry_constructed (GObject *object)
{
GimpLanguageEntry *entry = GIMP_LANGUAGE_ENTRY (object);
G_OBJECT_CLASS (parent_class)->constructed (object);
if (entry->store)
{
GtkEntryCompletion *completion;
completion = g_object_new (GTK_TYPE_ENTRY_COMPLETION,
"model", entry->store,
"inline-selection", TRUE,
NULL);
/* Note that we must use this function to set the text column,
* otherwise we won't get a cell renderer for free.
*/
gtk_entry_completion_set_text_column (completion,
GIMP_LANGUAGE_STORE_LABEL);
gtk_entry_set_completion (GTK_ENTRY (entry), completion);
g_object_unref (completion);
g_signal_connect (completion, "match-selected",
G_CALLBACK (gimp_language_entry_language_selected),
entry);
}
}
static void
gimp_language_entry_finalize (GObject *object)
{
GimpLanguageEntry *entry = GIMP_LANGUAGE_ENTRY (object);
g_clear_object (&entry->store);
g_clear_pointer (&entry->code, g_free);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gimp_language_entry_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpLanguageEntry *entry = GIMP_LANGUAGE_ENTRY (object);
switch (property_id)
{
case PROP_MODEL:
g_return_if_fail (entry->store == NULL);
entry->store = g_value_dup_object (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_language_entry_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpLanguageEntry *entry = GIMP_LANGUAGE_ENTRY (object);
switch (property_id)
{
case PROP_MODEL:
g_value_set_object (value, entry->store);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static gboolean
gimp_language_entry_language_selected (GtkEntryCompletion *completion,
GtkTreeModel *model,
GtkTreeIter *iter,
GimpLanguageEntry *entry)
{
g_free (entry->code);
gtk_tree_model_get (model, iter,
GIMP_LANGUAGE_STORE_CODE, &entry->code,
-1);
return FALSE;
}
GtkWidget *
gimp_language_entry_new (void)
{
GtkWidget *entry;
GtkListStore *store;
store = gimp_language_store_new ();
entry = g_object_new (GIMP_TYPE_LANGUAGE_ENTRY,
"model", store,
NULL);
g_object_unref (store);
return entry;
}
const gchar *
gimp_language_entry_get_code (GimpLanguageEntry *entry)
{
g_return_val_if_fail (GIMP_IS_LANGUAGE_ENTRY (entry), NULL);
return entry->code;
}
gboolean
gimp_language_entry_set_code (GimpLanguageEntry *entry,
const gchar *code)
{
GtkTreeIter iter;
g_return_val_if_fail (GIMP_IS_LANGUAGE_ENTRY (entry), FALSE);
g_clear_pointer (&entry->code, g_free);
if (! code || ! strlen (code))
{
gtk_entry_set_text (GTK_ENTRY (entry), "");
return TRUE;
}
if (gimp_language_store_lookup (GIMP_LANGUAGE_STORE (entry->store),
code, &iter))
{
gchar *label;
gtk_tree_model_get (GTK_TREE_MODEL (entry->store), &iter,
GIMP_LANGUAGE_STORE_LABEL, &label,
GIMP_LANGUAGE_STORE_CODE, &entry->code,
-1);
gtk_entry_set_text (GTK_ENTRY (entry), label);
g_free (label);
return TRUE;
}
return FALSE;
}
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