xed/pluma/pluma-encodings-combo-box.c

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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
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* pluma-encodings-combo-box.c
* This file is part of pluma
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*
* Copyright (C) 2003-2005 - Paolo Maggi
*
* 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 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
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* Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
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*/
/*
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* Modified by the pluma Team, 2003-2005. See the AUTHORS file for a
* list of people on the pluma Team.
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* See the ChangeLog files for a list of changes.
*
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* $Id: pluma-encodings-combo-box.c 6112 2008-01-23 08:26:24Z sfre $
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*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <glib/gi18n.h>
#include <gtk/gtk.h>
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#include <pluma/pluma-encodings-combo-box.h>
#include <pluma/pluma-prefs-manager.h>
#include <pluma/dialogs/pluma-encodings-dialog.h>
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#define ENCODING_KEY "Enconding"
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#define PLUMA_ENCODINGS_COMBO_BOX_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), \
PLUMA_TYPE_ENCODINGS_COMBO_BOX, \
PlumaEncodingsComboBoxPrivate))
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struct _PlumaEncodingsComboBoxPrivate
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{
GtkListStore *store;
glong changed_id;
guint activated_item;
guint save_mode : 1;
};
enum
{
NAME_COLUMN,
ENCODING_COLUMN,
ADD_COLUMN,
N_COLUMNS
};
/* Properties */
enum
{
PROP_0,
PROP_SAVE_MODE
};
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G_DEFINE_TYPE(PlumaEncodingsComboBox, pluma_encodings_combo_box, GTK_TYPE_COMBO_BOX)
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static void update_menu (PlumaEncodingsComboBox *combo_box);
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static void
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pluma_encodings_combo_box_set_property (GObject *object,
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guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
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PlumaEncodingsComboBox *combo;
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combo = PLUMA_ENCODINGS_COMBO_BOX (object);
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switch (prop_id)
{
case PROP_SAVE_MODE:
combo->priv->save_mode = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
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pluma_encodings_combo_box_get_property (GObject *object,
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guint prop_id,
GValue *value,
GParamSpec *pspec)
{
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PlumaEncodingsComboBox *combo;
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combo = PLUMA_ENCODINGS_COMBO_BOX (object);
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switch (prop_id)
{
case PROP_SAVE_MODE:
g_value_set_boolean (value, combo->priv->save_mode);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
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pluma_encodings_combo_box_dispose (GObject *object)
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{
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PlumaEncodingsComboBox *combo = PLUMA_ENCODINGS_COMBO_BOX (object);
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if (combo->priv->store != NULL)
{
g_object_unref (combo->priv->store);
combo->priv->store = NULL;
}
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G_OBJECT_CLASS (pluma_encodings_combo_box_parent_class)->dispose (object);
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}
static void
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pluma_encodings_combo_box_class_init (PlumaEncodingsComboBoxClass *klass)
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{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->set_property = pluma_encodings_combo_box_set_property;
object_class->get_property = pluma_encodings_combo_box_get_property;
object_class->dispose = pluma_encodings_combo_box_dispose;
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g_object_class_install_property (object_class,
PROP_SAVE_MODE,
g_param_spec_boolean ("save-mode",
"Save Mode",
"Save Mode",
FALSE,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT |
G_PARAM_STATIC_STRINGS));
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g_type_class_add_private (object_class, sizeof (PlumaEncodingsComboBoxPrivate));
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}
static void
dialog_response_cb (GtkDialog *dialog,
gint response_id,
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PlumaEncodingsComboBox *menu)
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{
if (response_id == GTK_RESPONSE_OK)
{
update_menu (menu);
}
gtk_widget_destroy (GTK_WIDGET (dialog));
}
static void
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add_or_remove (PlumaEncodingsComboBox *menu,
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GtkTreeModel *model)
{
GtkTreeIter iter;
gboolean add_item = FALSE;
if (gtk_combo_box_get_active_iter (GTK_COMBO_BOX (menu), &iter))
{
gtk_tree_model_get (model, &iter,
ADD_COLUMN, &add_item,
-1);
}
if (!add_item)
{
menu->priv->activated_item = gtk_combo_box_get_active (GTK_COMBO_BOX (menu));
}
else
{
GtkWidget *dialog;
GtkWidget *toplevel = gtk_widget_get_toplevel (GTK_WIDGET (menu));
if (!gtk_widget_is_toplevel (toplevel))
toplevel = NULL;
g_signal_handler_block (menu, menu->priv->changed_id);
gtk_combo_box_set_active (GTK_COMBO_BOX (menu),
menu->priv->activated_item);
g_signal_handler_unblock (menu, menu->priv->changed_id);
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dialog = pluma_encodings_dialog_new();
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if (toplevel != NULL)
{
GtkWindowGroup *wg;
gtk_window_set_transient_for (GTK_WINDOW (dialog),
GTK_WINDOW (toplevel));
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wg = gtk_window_get_group (GTK_WINDOW (toplevel));
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if (wg == NULL)
{
wg = gtk_window_group_new ();
gtk_window_group_add_window (wg,
GTK_WINDOW (toplevel));
}
gtk_window_group_add_window (wg,
GTK_WINDOW (dialog));
}
gtk_window_set_modal (GTK_WINDOW (dialog), TRUE);
g_signal_connect (dialog,
"response",
G_CALLBACK (dialog_response_cb),
menu);
gtk_widget_show (dialog);
}
}
static gboolean
separator_func (GtkTreeModel *model, GtkTreeIter *iter, gpointer data)
{
gchar *str;
gboolean ret;
gtk_tree_model_get (model, iter, NAME_COLUMN, &str, -1);
ret = (str == NULL || *str == '\0');
g_free (str);
return ret;
}
static void
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update_menu (PlumaEncodingsComboBox *menu)
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{
GtkListStore *store;
GtkTreeIter iter;
GSList *encodings, *l;
gchar *str;
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const PlumaEncoding *utf8_encoding;
const PlumaEncoding *current_encoding;
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store = menu->priv->store;
/* Unset the previous model */
g_signal_handler_block (menu, menu->priv->changed_id);
gtk_list_store_clear (store);
gtk_combo_box_set_model (GTK_COMBO_BOX (menu),
NULL);
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utf8_encoding = pluma_encoding_get_utf8 ();
current_encoding = pluma_encoding_get_current ();
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if (!menu->priv->save_mode)
{
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter,
NAME_COLUMN, _("Automatically Detected"),
ENCODING_COLUMN, NULL,
ADD_COLUMN, FALSE,
-1);
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter,
NAME_COLUMN, "",
ENCODING_COLUMN, NULL,
ADD_COLUMN, FALSE,
-1);
}
if (current_encoding != utf8_encoding)
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str = pluma_encoding_to_string (utf8_encoding);
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else
str = g_strdup_printf (_("Current Locale (%s)"),
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pluma_encoding_get_charset (utf8_encoding));
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gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter,
NAME_COLUMN, str,
ENCODING_COLUMN, utf8_encoding,
ADD_COLUMN, FALSE,
-1);
g_free (str);
if ((utf8_encoding != current_encoding) &&
(current_encoding != NULL))
{
str = g_strdup_printf (_("Current Locale (%s)"),
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pluma_encoding_get_charset (current_encoding));
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gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter,
NAME_COLUMN, str,
ENCODING_COLUMN, current_encoding,
ADD_COLUMN, FALSE,
-1);
g_free (str);
}
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encodings = pluma_prefs_manager_get_shown_in_menu_encodings ();
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for (l = encodings; l != NULL; l = g_slist_next (l))
{
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const PlumaEncoding *enc = (const PlumaEncoding *)l->data;
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if ((enc != current_encoding) &&
(enc != utf8_encoding) &&
(enc != NULL))
{
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str = pluma_encoding_to_string (enc);
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gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter,
NAME_COLUMN, str,
ENCODING_COLUMN, enc,
ADD_COLUMN, FALSE,
-1);
g_free (str);
}
}
g_slist_free (encodings);
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if (pluma_prefs_manager_shown_in_menu_encodings_can_set ())
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{
gtk_list_store_append (store, &iter);
/* separator */
gtk_list_store_set (store, &iter,
NAME_COLUMN, "",
ENCODING_COLUMN, NULL,
ADD_COLUMN, FALSE,
-1);
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter,
NAME_COLUMN, _("Add or Remove..."),
ENCODING_COLUMN, NULL,
ADD_COLUMN, TRUE,
-1);
}
/* set the model back */
gtk_combo_box_set_model (GTK_COMBO_BOX (menu),
GTK_TREE_MODEL (menu->priv->store));
gtk_combo_box_set_active (GTK_COMBO_BOX (menu), 0);
g_signal_handler_unblock (menu, menu->priv->changed_id);
}
static void
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pluma_encodings_combo_box_init (PlumaEncodingsComboBox *menu)
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{
GtkCellRenderer *text_renderer;
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menu->priv = PLUMA_ENCODINGS_COMBO_BOX_GET_PRIVATE (menu);
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menu->priv->store = gtk_list_store_new (N_COLUMNS,
G_TYPE_STRING,
G_TYPE_POINTER,
G_TYPE_BOOLEAN);
/* Setup up the cells */
text_renderer = gtk_cell_renderer_text_new ();
gtk_cell_layout_pack_end (GTK_CELL_LAYOUT (menu),
text_renderer, TRUE);
gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (menu),
text_renderer,
"text",
NAME_COLUMN,
NULL);
gtk_combo_box_set_row_separator_func (GTK_COMBO_BOX (menu),
separator_func, NULL,
NULL);
menu->priv->changed_id = g_signal_connect (menu, "changed",
G_CALLBACK (add_or_remove),
menu->priv->store);
update_menu (menu);
}
GtkWidget *
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pluma_encodings_combo_box_new (gboolean save_mode)
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{
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return g_object_new (PLUMA_TYPE_ENCODINGS_COMBO_BOX,
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"save_mode", save_mode,
NULL);
}
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const PlumaEncoding *
pluma_encodings_combo_box_get_selected_encoding (PlumaEncodingsComboBox *menu)
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{
GtkTreeIter iter;
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g_return_val_if_fail (PLUMA_IS_ENCODINGS_COMBO_BOX (menu), NULL);
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if (gtk_combo_box_get_active_iter (GTK_COMBO_BOX (menu), &iter))
{
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const PlumaEncoding *ret;
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GtkTreeModel *model;
model = gtk_combo_box_get_model (GTK_COMBO_BOX (menu));
gtk_tree_model_get (model, &iter,
ENCODING_COLUMN, &ret,
-1);
return ret;
}
return NULL;
}
/**
* pluma_encodings_combo_box_set_selected_encoding:
* @menu:
* @encoding: (allow-none):
**/
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void
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pluma_encodings_combo_box_set_selected_encoding (PlumaEncodingsComboBox *menu,
const PlumaEncoding *encoding)
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{
GtkTreeIter iter;
GtkTreeModel *model;
gboolean b;
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g_return_if_fail (PLUMA_IS_ENCODINGS_COMBO_BOX (menu));
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g_return_if_fail (GTK_IS_COMBO_BOX (menu));
model = gtk_combo_box_get_model (GTK_COMBO_BOX (menu));
b = gtk_tree_model_get_iter_first (model, &iter);
while (b)
{
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const PlumaEncoding *enc;
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gtk_tree_model_get (model, &iter,
ENCODING_COLUMN, &enc,
-1);
if (enc == encoding)
{
gtk_combo_box_set_active_iter (GTK_COMBO_BOX (menu),
&iter);
return;
}
b = gtk_tree_model_iter_next (model, &iter);
}
}