xed/gedit/dialogs/gedit-encodings-dialog.c

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2011-11-07 13:46:58 -06:00
/*
* gedit-encodings-dialog.c
* This file is part of gedit
*
* Copyright (C) 2002-2005 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
* Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
* Modified by the gedit Team, 2002-2005. See the AUTHORS file for a
* list of people on the gedit Team.
* See the ChangeLog files for a list of changes.
*
* $Id$
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <string.h>
#include <glib.h>
#include <glib/gi18n.h>
#include <gtk/gtk.h>
#include "gedit-encodings-dialog.h"
#include "gedit-encodings.h"
#include "gedit-prefs-manager.h"
#include "gedit-utils.h"
#include "gedit-debug.h"
#include "gedit-help.h"
#include "gedit-dirs.h"
#define GEDIT_ENCODINGS_DIALOG_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), \
GEDIT_TYPE_ENCODINGS_DIALOG, \
GeditEncodingsDialogPrivate))
struct _GeditEncodingsDialogPrivate
{
GtkListStore *available_liststore;
GtkListStore *displayed_liststore;
GtkWidget *available_treeview;
GtkWidget *displayed_treeview;
GtkWidget *add_button;
GtkWidget *remove_button;
GSList *show_in_menu_list;
};
G_DEFINE_TYPE(GeditEncodingsDialog, gedit_encodings_dialog, GTK_TYPE_DIALOG)
static void
gedit_encodings_dialog_finalize (GObject *object)
{
GeditEncodingsDialogPrivate *priv = GEDIT_ENCODINGS_DIALOG (object)->priv;
g_slist_free (priv->show_in_menu_list);
G_OBJECT_CLASS (gedit_encodings_dialog_parent_class)->finalize (object);
}
static void
gedit_encodings_dialog_class_init (GeditEncodingsDialogClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = gedit_encodings_dialog_finalize;
g_type_class_add_private (object_class, sizeof (GeditEncodingsDialogPrivate));
}
enum {
COLUMN_NAME,
COLUMN_CHARSET,
N_COLUMNS
};
static void
count_selected_items_func (GtkTreeModel *model,
GtkTreePath *path,
GtkTreeIter *iter,
gpointer data)
{
int *count = data;
*count += 1;
}
static void
available_selection_changed_callback (GtkTreeSelection *selection,
GeditEncodingsDialog *dialogs)
{
int count;
count = 0;
gtk_tree_selection_selected_foreach (selection,
count_selected_items_func,
&count);
gtk_widget_set_sensitive (dialogs->priv->add_button, count > 0);
}
static void
displayed_selection_changed_callback (GtkTreeSelection *selection,
GeditEncodingsDialog *dialogs)
{
int count;
count = 0;
gtk_tree_selection_selected_foreach (selection,
count_selected_items_func,
&count);
gtk_widget_set_sensitive (dialogs->priv->remove_button, count > 0);
}
static void
get_selected_encodings_func (GtkTreeModel *model,
GtkTreePath *path,
GtkTreeIter *iter,
gpointer data)
{
GSList **list = data;
gchar *charset;
const GeditEncoding *enc;
charset = NULL;
gtk_tree_model_get (model, iter, COLUMN_CHARSET, &charset, -1);
enc = gedit_encoding_get_from_charset (charset);
g_free (charset);
*list = g_slist_prepend (*list, (gpointer)enc);
}
static void
update_shown_in_menu_tree_model (GtkListStore *store,
GSList *list)
{
GtkTreeIter iter;
gtk_list_store_clear (store);
while (list != NULL)
{
const GeditEncoding *enc;
enc = (const GeditEncoding*) list->data;
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter,
COLUMN_CHARSET,
gedit_encoding_get_charset (enc),
COLUMN_NAME,
gedit_encoding_get_name (enc), -1);
list = g_slist_next (list);
}
}
static void
add_button_clicked_callback (GtkWidget *button,
GeditEncodingsDialog *dialog)
{
GtkTreeSelection *selection;
GSList *encodings;
GSList *tmp;
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (dialog->priv->available_treeview));
encodings = NULL;
gtk_tree_selection_selected_foreach (selection,
get_selected_encodings_func,
&encodings);
tmp = encodings;
while (tmp != NULL)
{
if (g_slist_find (dialog->priv->show_in_menu_list, tmp->data) == NULL)
dialog->priv->show_in_menu_list = g_slist_prepend (dialog->priv->show_in_menu_list,
tmp->data);
tmp = g_slist_next (tmp);
}
g_slist_free (encodings);
update_shown_in_menu_tree_model (GTK_LIST_STORE (dialog->priv->displayed_liststore),
dialog->priv->show_in_menu_list);
}
static void
remove_button_clicked_callback (GtkWidget *button,
GeditEncodingsDialog *dialog)
{
GtkTreeSelection *selection;
GSList *encodings;
GSList *tmp;
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (dialog->priv->displayed_treeview));
encodings = NULL;
gtk_tree_selection_selected_foreach (selection,
get_selected_encodings_func,
&encodings);
tmp = encodings;
while (tmp != NULL)
{
dialog->priv->show_in_menu_list = g_slist_remove (dialog->priv->show_in_menu_list,
tmp->data);
tmp = g_slist_next (tmp);
}
g_slist_free (encodings);
update_shown_in_menu_tree_model (GTK_LIST_STORE (dialog->priv->displayed_liststore),
dialog->priv->show_in_menu_list);
}
static void
init_shown_in_menu_tree_model (GeditEncodingsDialog *dialog)
{
GtkTreeIter iter;
GSList *list, *tmp;
/* add data to the list store */
list = gedit_prefs_manager_get_shown_in_menu_encodings ();
tmp = list;
while (tmp != NULL)
{
const GeditEncoding *enc;
enc = (const GeditEncoding *) tmp->data;
dialog->priv->show_in_menu_list = g_slist_prepend (dialog->priv->show_in_menu_list,
tmp->data);
gtk_list_store_append (dialog->priv->displayed_liststore,
&iter);
gtk_list_store_set (dialog->priv->displayed_liststore,
&iter,
COLUMN_CHARSET,
gedit_encoding_get_charset (enc),
COLUMN_NAME,
gedit_encoding_get_name (enc), -1);
tmp = g_slist_next (tmp);
}
g_slist_free (list);
}
static void
response_handler (GtkDialog *dialog,
gint response_id,
GeditEncodingsDialog *dlg)
{
if (response_id == GTK_RESPONSE_HELP)
{
gedit_help_display (GTK_WINDOW (dialog), "gedit", NULL);
g_signal_stop_emission_by_name (dialog, "response");
return;
}
if (response_id == GTK_RESPONSE_OK)
{
g_return_if_fail (gedit_prefs_manager_shown_in_menu_encodings_can_set ());
gedit_prefs_manager_set_shown_in_menu_encodings (dlg->priv->show_in_menu_list);
}
}
static void
gedit_encodings_dialog_init (GeditEncodingsDialog *dlg)
{
GtkWidget *content;
GtkCellRenderer *cell_renderer;
GtkTreeModel *sort_model;
GtkTreeViewColumn *column;
GtkTreeIter parent_iter;
GtkTreeSelection *selection;
const GeditEncoding *enc;
GtkWidget *error_widget;
int i;
gboolean ret;
gchar *file;
gchar *root_objects[] = {
"encodings-dialog-contents",
NULL
};
dlg->priv = GEDIT_ENCODINGS_DIALOG_GET_PRIVATE (dlg);
gtk_dialog_add_buttons (GTK_DIALOG (dlg),
GTK_STOCK_CANCEL,
GTK_RESPONSE_CANCEL,
GTK_STOCK_OK,
GTK_RESPONSE_OK,
GTK_STOCK_HELP,
GTK_RESPONSE_HELP,
NULL);
gtk_window_set_title (GTK_WINDOW (dlg), _("Character Encodings"));
gtk_window_set_default_size (GTK_WINDOW (dlg), 650, 400);
gtk_dialog_set_has_separator (GTK_DIALOG (dlg), FALSE);
/* HIG defaults */
gtk_container_set_border_width (GTK_CONTAINER (dlg), 5);
gtk_box_set_spacing (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dlg))),
2); /* 2 * 5 + 2 = 12 */
gtk_container_set_border_width (GTK_CONTAINER (gtk_dialog_get_action_area (GTK_DIALOG (dlg))),
5);
gtk_box_set_spacing (GTK_BOX (gtk_dialog_get_action_area (GTK_DIALOG (dlg))), 6);
gtk_dialog_set_default_response (GTK_DIALOG (dlg),
GTK_RESPONSE_OK);
g_signal_connect (dlg,
"response",
G_CALLBACK (response_handler),
dlg);
file = gedit_dirs_get_ui_file ("gedit-encodings-dialog.ui");
ret = gedit_utils_get_ui_objects (file,
root_objects,
&error_widget,
"encodings-dialog-contents", &content,
"add-button", &dlg->priv->add_button,
"remove-button", &dlg->priv->remove_button,
"available-treeview", &dlg->priv->available_treeview,
"displayed-treeview", &dlg->priv->displayed_treeview,
NULL);
g_free (file);
if (!ret)
{
gtk_widget_show (error_widget);
gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dlg))),
error_widget,
TRUE, TRUE, 0);
gtk_container_set_border_width (GTK_CONTAINER (error_widget), 5);
return;
}
gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dlg))),
content, TRUE, TRUE, 0);
g_object_unref (content);
gtk_container_set_border_width (GTK_CONTAINER (content), 5);
g_signal_connect (dlg->priv->add_button,
"clicked",
G_CALLBACK (add_button_clicked_callback),
dlg);
g_signal_connect (dlg->priv->remove_button,
"clicked",
G_CALLBACK (remove_button_clicked_callback),
dlg);
/* Tree view of available encodings */
dlg->priv->available_liststore = gtk_list_store_new (N_COLUMNS,
G_TYPE_STRING,
G_TYPE_STRING);
cell_renderer = gtk_cell_renderer_text_new ();
column = gtk_tree_view_column_new_with_attributes (_("_Description"),
cell_renderer,
"text", COLUMN_NAME,
NULL);
gtk_tree_view_append_column (GTK_TREE_VIEW (dlg->priv->available_treeview),
column);
gtk_tree_view_column_set_sort_column_id (column, COLUMN_NAME);
cell_renderer = gtk_cell_renderer_text_new ();
column = gtk_tree_view_column_new_with_attributes (_("_Encoding"),
cell_renderer,
"text",
COLUMN_CHARSET,
NULL);
gtk_tree_view_append_column (GTK_TREE_VIEW (dlg->priv->available_treeview),
column);
gtk_tree_view_column_set_sort_column_id (column, COLUMN_CHARSET);
/* Add the data */
i = 0;
while ((enc = gedit_encoding_get_from_index (i)) != NULL)
{
gtk_list_store_append (dlg->priv->available_liststore,
&parent_iter);
gtk_list_store_set (dlg->priv->available_liststore,
&parent_iter,
COLUMN_CHARSET,
gedit_encoding_get_charset (enc),
COLUMN_NAME,
gedit_encoding_get_name (enc), -1);
++i;
}
/* Sort model */
sort_model = gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL (dlg->priv->available_liststore));
gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (sort_model),
COLUMN_NAME,
GTK_SORT_ASCENDING);
gtk_tree_view_set_model (GTK_TREE_VIEW (dlg->priv->available_treeview),
sort_model);
g_object_unref (G_OBJECT (dlg->priv->available_liststore));
g_object_unref (G_OBJECT (sort_model));
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (dlg->priv->available_treeview));
gtk_tree_selection_set_mode (GTK_TREE_SELECTION (selection),
GTK_SELECTION_MULTIPLE);
available_selection_changed_callback (selection, dlg);
g_signal_connect (selection,
"changed",
G_CALLBACK (available_selection_changed_callback),
dlg);
/* Tree view of selected encodings */
dlg->priv->displayed_liststore = gtk_list_store_new (N_COLUMNS,
G_TYPE_STRING,
G_TYPE_STRING);
cell_renderer = gtk_cell_renderer_text_new ();
column = gtk_tree_view_column_new_with_attributes (_("_Description"),
cell_renderer,
"text", COLUMN_NAME,
NULL);
gtk_tree_view_append_column (GTK_TREE_VIEW (dlg->priv->displayed_treeview),
column);
gtk_tree_view_column_set_sort_column_id (column, COLUMN_NAME);
cell_renderer = gtk_cell_renderer_text_new ();
column = gtk_tree_view_column_new_with_attributes (_("_Encoding"),
cell_renderer,
"text",
COLUMN_CHARSET,
NULL);
gtk_tree_view_append_column (GTK_TREE_VIEW (dlg->priv->displayed_treeview),
column);
gtk_tree_view_column_set_sort_column_id (column, COLUMN_CHARSET);
/* Add the data */
init_shown_in_menu_tree_model (dlg);
/* Sort model */
sort_model = gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL (dlg->priv->displayed_liststore));
gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE
(sort_model), COLUMN_NAME,
GTK_SORT_ASCENDING);
gtk_tree_view_set_model (GTK_TREE_VIEW (dlg->priv->displayed_treeview),
sort_model);
g_object_unref (G_OBJECT (sort_model));
g_object_unref (G_OBJECT (dlg->priv->displayed_liststore));
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (dlg->priv->displayed_treeview));
gtk_tree_selection_set_mode (GTK_TREE_SELECTION (selection),
GTK_SELECTION_MULTIPLE);
displayed_selection_changed_callback (selection, dlg);
g_signal_connect (selection,
"changed",
G_CALLBACK (displayed_selection_changed_callback),
dlg);
}
GtkWidget *
gedit_encodings_dialog_new (void)
{
GtkWidget *dlg;
dlg = GTK_WIDGET (g_object_new (GEDIT_TYPE_ENCODINGS_DIALOG, NULL));
return dlg;
}