xed/pluma/dialogs/pluma-close-confirmation-di...

793 lines
21 KiB
C
Executable File

/*
* pluma-close-confirmation-dialog.c
* This file is part of pluma
*
* Copyright (C) 2004-2005 GNOME Foundation
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
/*
* Modified by the pluma Team, 2004-2005. See the AUTHORS file for a
* list of people on the pluma Team.
* See the ChangeLog files for a list of changes.
*
* $Id$
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <glib/gi18n.h>
#include "pluma-close-confirmation-dialog.h"
#include <pluma/pluma-app.h>
#include <pluma/pluma-utils.h>
#include <pluma/pluma-window.h>
/* Properties */
enum
{
PROP_0,
PROP_UNSAVED_DOCUMENTS,
PROP_LOGOUT_MODE
};
/* Mode */
enum
{
SINGLE_DOC_MODE,
MULTIPLE_DOCS_MODE
};
/* Columns */
enum
{
SAVE_COLUMN,
NAME_COLUMN,
DOC_COLUMN, /* a handy pointer to the document */
N_COLUMNS
};
struct _PlumaCloseConfirmationDialogPrivate
{
gboolean logout_mode;
GList *unsaved_documents;
GList *selected_documents;
GtkTreeModel *list_store;
gboolean disable_save_to_disk;
};
#define PLUMA_CLOSE_CONFIRMATION_DIALOG_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), \
PLUMA_TYPE_CLOSE_CONFIRMATION_DIALOG, \
PlumaCloseConfirmationDialogPrivate))
#define GET_MODE(priv) (((priv->unsaved_documents != NULL) && \
(priv->unsaved_documents->next == NULL)) ? \
SINGLE_DOC_MODE : MULTIPLE_DOCS_MODE)
G_DEFINE_TYPE(PlumaCloseConfirmationDialog, pluma_close_confirmation_dialog, GTK_TYPE_DIALOG)
static void set_unsaved_document (PlumaCloseConfirmationDialog *dlg,
const GList *list);
static GList *get_selected_docs (GtkTreeModel *store);
/* Since we connect in the costructor we are sure this handler will be called
* before the user ones
*/
static void
response_cb (PlumaCloseConfirmationDialog *dlg,
gint response_id,
gpointer data)
{
PlumaCloseConfirmationDialogPrivate *priv;
g_return_if_fail (PLUMA_IS_CLOSE_CONFIRMATION_DIALOG (dlg));
priv = dlg->priv;
if (priv->selected_documents != NULL)
g_list_free (priv->selected_documents);
if (response_id == GTK_RESPONSE_YES)
{
if (GET_MODE (priv) == SINGLE_DOC_MODE)
{
priv->selected_documents =
g_list_copy (priv->unsaved_documents);
}
else
{
g_return_if_fail (priv->list_store);
priv->selected_documents =
get_selected_docs (priv->list_store);
}
}
else
priv->selected_documents = NULL;
}
static void
set_logout_mode (PlumaCloseConfirmationDialog *dlg,
gboolean logout_mode)
{
dlg->priv->logout_mode = logout_mode;
if (logout_mode)
{
gtk_dialog_add_button (GTK_DIALOG (dlg),
_("Log Out _without Saving"),
GTK_RESPONSE_NO);
pluma_dialog_add_button (GTK_DIALOG (dlg),
_("_Cancel Logout"),
GTK_STOCK_CANCEL,
GTK_RESPONSE_CANCEL);
}
else
{
gtk_dialog_add_button (GTK_DIALOG (dlg),
_("Close _without Saving"),
GTK_RESPONSE_NO);
gtk_dialog_add_button (GTK_DIALOG (dlg),
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
}
if (dlg->priv->disable_save_to_disk)
{
gtk_dialog_set_default_response (GTK_DIALOG (dlg),
GTK_RESPONSE_NO);
}
else
{
const gchar *stock_id = GTK_STOCK_SAVE;
if (GET_MODE (dlg->priv) == SINGLE_DOC_MODE)
{
PlumaDocument *doc;
doc = PLUMA_DOCUMENT (dlg->priv->unsaved_documents->data);
if (pluma_document_get_readonly (doc) ||
pluma_document_is_untitled (doc))
stock_id = GTK_STOCK_SAVE_AS;
}
gtk_dialog_add_button (GTK_DIALOG (dlg),
stock_id,
GTK_RESPONSE_YES);
gtk_dialog_set_default_response (GTK_DIALOG (dlg),
GTK_RESPONSE_YES);
}
}
static void
pluma_close_confirmation_dialog_init (PlumaCloseConfirmationDialog *dlg)
{
AtkObject *atk_obj;
dlg->priv = PLUMA_CLOSE_CONFIRMATION_DIALOG_GET_PRIVATE (dlg);
dlg->priv->disable_save_to_disk =
pluma_app_get_lockdown (pluma_app_get_default ())
& PLUMA_LOCKDOWN_SAVE_TO_DISK;
gtk_container_set_border_width (GTK_CONTAINER (dlg), 5);
gtk_box_set_spacing (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dlg))),
14);
gtk_window_set_resizable (GTK_WINDOW (dlg), FALSE);
#if !GTK_CHECK_VERSION (3, 0, 0)
gtk_dialog_set_has_separator (GTK_DIALOG (dlg), FALSE);
#endif
gtk_window_set_skip_taskbar_hint (GTK_WINDOW (dlg), TRUE);
gtk_window_set_title (GTK_WINDOW (dlg), "");
gtk_window_set_modal (GTK_WINDOW (dlg), TRUE);
gtk_window_set_destroy_with_parent (GTK_WINDOW (dlg), TRUE);
atk_obj = gtk_widget_get_accessible (GTK_WIDGET (dlg));
atk_object_set_role (atk_obj, ATK_ROLE_ALERT);
atk_object_set_name (atk_obj, _("Question"));
g_signal_connect (dlg,
"response",
G_CALLBACK (response_cb),
NULL);
}
static void
pluma_close_confirmation_dialog_finalize (GObject *object)
{
PlumaCloseConfirmationDialogPrivate *priv;
priv = PLUMA_CLOSE_CONFIRMATION_DIALOG (object)->priv;
if (priv->unsaved_documents != NULL)
g_list_free (priv->unsaved_documents);
if (priv->selected_documents != NULL)
g_list_free (priv->selected_documents);
/* Call the parent's destructor */
G_OBJECT_CLASS (pluma_close_confirmation_dialog_parent_class)->finalize (object);
}
static void
pluma_close_confirmation_dialog_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
PlumaCloseConfirmationDialog *dlg;
dlg = PLUMA_CLOSE_CONFIRMATION_DIALOG (object);
switch (prop_id)
{
case PROP_UNSAVED_DOCUMENTS:
set_unsaved_document (dlg, g_value_get_pointer (value));
break;
case PROP_LOGOUT_MODE:
set_logout_mode (dlg, g_value_get_boolean (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
pluma_close_confirmation_dialog_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
PlumaCloseConfirmationDialogPrivate *priv;
priv = PLUMA_CLOSE_CONFIRMATION_DIALOG (object)->priv;
switch( prop_id )
{
case PROP_UNSAVED_DOCUMENTS:
g_value_set_pointer (value, priv->unsaved_documents);
break;
case PROP_LOGOUT_MODE:
g_value_set_boolean (value, priv->logout_mode);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
pluma_close_confirmation_dialog_class_init (PlumaCloseConfirmationDialogClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
gobject_class->set_property = pluma_close_confirmation_dialog_set_property;
gobject_class->get_property = pluma_close_confirmation_dialog_get_property;
gobject_class->finalize = pluma_close_confirmation_dialog_finalize;
g_type_class_add_private (klass, sizeof (PlumaCloseConfirmationDialogPrivate));
g_object_class_install_property (gobject_class,
PROP_UNSAVED_DOCUMENTS,
g_param_spec_pointer ("unsaved_documents",
"Unsaved Documents",
"List of Unsaved Documents",
(G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY)));
g_object_class_install_property (gobject_class,
PROP_LOGOUT_MODE,
g_param_spec_boolean ("logout_mode",
"Logout Mode",
"Whether the dialog is in logout mode",
FALSE,
(G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY)));
}
static GList *
get_selected_docs (GtkTreeModel *store)
{
GList *list;
gboolean valid;
GtkTreeIter iter;
list = NULL;
valid = gtk_tree_model_get_iter_first (store, &iter);
while (valid)
{
gboolean to_save;
PlumaDocument *doc;
gtk_tree_model_get (store, &iter,
SAVE_COLUMN, &to_save,
DOC_COLUMN, &doc,
-1);
if (to_save)
list = g_list_prepend (list, doc);
valid = gtk_tree_model_iter_next (store, &iter);
}
list = g_list_reverse (list);
return list;
}
GList *
pluma_close_confirmation_dialog_get_selected_documents (PlumaCloseConfirmationDialog *dlg)
{
g_return_val_if_fail (PLUMA_IS_CLOSE_CONFIRMATION_DIALOG (dlg), NULL);
return g_list_copy (dlg->priv->selected_documents);
}
GtkWidget *
pluma_close_confirmation_dialog_new (GtkWindow *parent,
GList *unsaved_documents,
gboolean logout_mode)
{
GtkWidget *dlg;
g_return_val_if_fail (unsaved_documents != NULL, NULL);
dlg = GTK_WIDGET (g_object_new (PLUMA_TYPE_CLOSE_CONFIRMATION_DIALOG,
"unsaved_documents", unsaved_documents,
"logout_mode", logout_mode,
NULL));
g_return_val_if_fail (dlg != NULL, NULL);
if (parent != NULL)
{
gtk_window_group_add_window (pluma_window_get_group (PLUMA_WINDOW (parent)),
GTK_WINDOW (dlg));
gtk_window_set_transient_for (GTK_WINDOW (dlg), parent);
}
return dlg;
}
GtkWidget *
pluma_close_confirmation_dialog_new_single (GtkWindow *parent,
PlumaDocument *doc,
gboolean logout_mode)
{
GtkWidget *dlg;
GList *unsaved_documents;
g_return_val_if_fail (doc != NULL, NULL);
unsaved_documents = g_list_prepend (NULL, doc);
dlg = pluma_close_confirmation_dialog_new (parent,
unsaved_documents,
logout_mode);
g_list_free (unsaved_documents);
return dlg;
}
static gchar *
get_text_secondary_label (PlumaDocument *doc)
{
glong seconds;
gchar *secondary_msg;
seconds = MAX (1, _pluma_document_get_seconds_since_last_save_or_load (doc));
if (seconds < 55)
{
secondary_msg = g_strdup_printf (
ngettext ("If you don't save, changes from the last %ld second "
"will be permanently lost.",
"If you don't save, changes from the last %ld seconds "
"will be permanently lost.",
seconds),
seconds);
}
else if (seconds < 75) /* 55 <= seconds < 75 */
{
secondary_msg = g_strdup (_("If you don't save, changes from the last minute "
"will be permanently lost."));
}
else if (seconds < 110) /* 75 <= seconds < 110 */
{
secondary_msg = g_strdup_printf (
ngettext ("If you don't save, changes from the last minute and %ld "
"second will be permanently lost.",
"If you don't save, changes from the last minute and %ld "
"seconds will be permanently lost.",
seconds - 60 ),
seconds - 60);
}
else if (seconds < 3600)
{
secondary_msg = g_strdup_printf (
ngettext ("If you don't save, changes from the last %ld minute "
"will be permanently lost.",
"If you don't save, changes from the last %ld minutes "
"will be permanently lost.",
seconds / 60),
seconds / 60);
}
else if (seconds < 7200)
{
gint minutes;
seconds -= 3600;
minutes = seconds / 60;
if (minutes < 5)
{
secondary_msg = g_strdup (_("If you don't save, changes from the last hour "
"will be permanently lost."));
}
else
{
secondary_msg = g_strdup_printf (
ngettext ("If you don't save, changes from the last hour and %d "
"minute will be permanently lost.",
"If you don't save, changes from the last hour and %d "
"minutes will be permanently lost.",
minutes),
minutes);
}
}
else
{
gint hours;
hours = seconds / 3600;
secondary_msg = g_strdup_printf (
ngettext ("If you don't save, changes from the last %d hour "
"will be permanently lost.",
"If you don't save, changes from the last %d hours "
"will be permanently lost.",
hours),
hours);
}
return secondary_msg;
}
static void
build_single_doc_dialog (PlumaCloseConfirmationDialog *dlg)
{
GtkWidget *hbox;
GtkWidget *vbox;
GtkWidget *primary_label;
GtkWidget *secondary_label;
GtkWidget *image;
PlumaDocument *doc;
gchar *doc_name;
gchar *str;
gchar *markup_str;
g_return_if_fail (dlg->priv->unsaved_documents->data != NULL);
doc = PLUMA_DOCUMENT (dlg->priv->unsaved_documents->data);
/* Image */
image = gtk_image_new_from_stock (GTK_STOCK_DIALOG_WARNING,
GTK_ICON_SIZE_DIALOG);
gtk_misc_set_alignment (GTK_MISC (image), 0.5, 0.0);
/* Primary label */
primary_label = gtk_label_new (NULL);
gtk_label_set_line_wrap (GTK_LABEL (primary_label), TRUE);
gtk_label_set_use_markup (GTK_LABEL (primary_label), TRUE);
gtk_misc_set_alignment (GTK_MISC (primary_label), 0.0, 0.5);
gtk_label_set_selectable (GTK_LABEL (primary_label), TRUE);
doc_name = pluma_document_get_short_name_for_display (doc);
if (dlg->priv->disable_save_to_disk)
{
str = g_markup_printf_escaped (_("Changes to document \"%s\" will be permanently lost."),
doc_name);
}
else
{
str = g_markup_printf_escaped (_("Save changes to document \"%s\" before closing?"),
doc_name);
}
g_free (doc_name);
markup_str = g_strconcat ("<span weight=\"bold\" size=\"larger\">", str, "</span>", NULL);
g_free (str);
gtk_label_set_markup (GTK_LABEL (primary_label), markup_str);
g_free (markup_str);
/* Secondary label */
if (dlg->priv->disable_save_to_disk)
str = g_strdup (_("Saving has been disabled by the system administrator."));
else
str = get_text_secondary_label (doc);
secondary_label = gtk_label_new (str);
g_free (str);
gtk_label_set_line_wrap (GTK_LABEL (secondary_label), TRUE);
gtk_misc_set_alignment (GTK_MISC (secondary_label), 0.0, 0.5);
gtk_label_set_selectable (GTK_LABEL (secondary_label), TRUE);
hbox = gtk_hbox_new (FALSE, 12);
gtk_container_set_border_width (GTK_CONTAINER (hbox), 5);
gtk_box_pack_start (GTK_BOX (hbox), image, FALSE, FALSE, 0);
vbox = gtk_vbox_new (FALSE, 12);
gtk_box_pack_start (GTK_BOX (hbox), vbox, FALSE, FALSE, 0);
gtk_box_pack_start (GTK_BOX (vbox), primary_label, FALSE, FALSE, 0);
gtk_box_pack_start (GTK_BOX (vbox), secondary_label, FALSE, FALSE, 0);
gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dlg))),
hbox,
FALSE,
FALSE,
0);
gtk_widget_show_all (hbox);
}
static void
populate_model (GtkTreeModel *store, GList *docs)
{
GtkTreeIter iter;
while (docs != NULL)
{
PlumaDocument *doc;
gchar *name;
doc = PLUMA_DOCUMENT (docs->data);
name = pluma_document_get_short_name_for_display (doc);
gtk_list_store_append (GTK_LIST_STORE (store), &iter);
gtk_list_store_set (GTK_LIST_STORE (store), &iter,
SAVE_COLUMN, TRUE,
NAME_COLUMN, name,
DOC_COLUMN, doc,
-1);
g_free (name);
docs = g_list_next (docs);
}
}
static void
save_toggled (GtkCellRendererToggle *renderer, gchar *path_str, GtkTreeModel *store)
{
GtkTreePath *path = gtk_tree_path_new_from_string (path_str);
GtkTreeIter iter;
gboolean active;
gtk_tree_model_get_iter (store, &iter, path);
gtk_tree_model_get (store, &iter, SAVE_COLUMN, &active, -1);
active ^= 1;
gtk_list_store_set (GTK_LIST_STORE (store), &iter,
SAVE_COLUMN, active, -1);
gtk_tree_path_free (path);
}
static GtkWidget *
create_treeview (PlumaCloseConfirmationDialogPrivate *priv)
{
GtkListStore *store;
GtkWidget *treeview;
GtkCellRenderer *renderer;
GtkTreeViewColumn *column;
treeview = gtk_tree_view_new ();
gtk_widget_set_size_request (treeview, 260, 120);
gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (treeview), FALSE);
gtk_tree_view_set_enable_search (GTK_TREE_VIEW (treeview), FALSE);
/* Create and populate the model */
store = gtk_list_store_new (N_COLUMNS, G_TYPE_BOOLEAN, G_TYPE_STRING, G_TYPE_POINTER);
populate_model (GTK_TREE_MODEL (store), priv->unsaved_documents);
/* Set model to the treeview */
gtk_tree_view_set_model (GTK_TREE_VIEW (treeview), GTK_TREE_MODEL (store));
g_object_unref (store);
priv->list_store = GTK_TREE_MODEL (store);
/* Add columns */
if (!priv->disable_save_to_disk)
{
renderer = gtk_cell_renderer_toggle_new ();
g_signal_connect (renderer, "toggled",
G_CALLBACK (save_toggled), store);
column = gtk_tree_view_column_new_with_attributes ("Save?",
renderer,
"active",
SAVE_COLUMN,
NULL);
gtk_tree_view_append_column (GTK_TREE_VIEW (treeview), column);
}
renderer = gtk_cell_renderer_text_new ();
column = gtk_tree_view_column_new_with_attributes ("Name",
renderer,
"text",
NAME_COLUMN,
NULL);
gtk_tree_view_append_column (GTK_TREE_VIEW (treeview), column);
return treeview;
}
static void
build_multiple_docs_dialog (PlumaCloseConfirmationDialog *dlg)
{
PlumaCloseConfirmationDialogPrivate *priv;
GtkWidget *hbox;
GtkWidget *image;
GtkWidget *vbox;
GtkWidget *primary_label;
GtkWidget *vbox2;
GtkWidget *select_label;
GtkWidget *scrolledwindow;
GtkWidget *treeview;
GtkWidget *secondary_label;
gchar *str;
gchar *markup_str;
priv = dlg->priv;
hbox = gtk_hbox_new (FALSE, 12);
gtk_container_set_border_width (GTK_CONTAINER (hbox), 5);
gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dlg))),
hbox, TRUE, TRUE, 0);
/* Image */
image = gtk_image_new_from_stock (GTK_STOCK_DIALOG_WARNING,
GTK_ICON_SIZE_DIALOG);
gtk_misc_set_alignment (GTK_MISC (image), 0.5, 0.0);
gtk_box_pack_start (GTK_BOX (hbox), image, FALSE, FALSE, 0);
vbox = gtk_vbox_new (FALSE, 12);
gtk_box_pack_start (GTK_BOX (hbox), vbox, TRUE, TRUE, 0);
/* Primary label */
primary_label = gtk_label_new (NULL);
gtk_label_set_line_wrap (GTK_LABEL (primary_label), TRUE);
gtk_label_set_use_markup (GTK_LABEL (primary_label), TRUE);
gtk_misc_set_alignment (GTK_MISC (primary_label), 0.0, 0.5);
gtk_label_set_selectable (GTK_LABEL (primary_label), TRUE);
if (priv->disable_save_to_disk)
str = g_strdup_printf (
ngettext ("Changes to %d document will be permanently lost.",
"Changes to %d documents will be permanently lost.",
g_list_length (priv->unsaved_documents)),
g_list_length (priv->unsaved_documents));
else
str = g_strdup_printf (
ngettext ("There is %d document with unsaved changes. "
"Save changes before closing?",
"There are %d documents with unsaved changes. "
"Save changes before closing?",
g_list_length (priv->unsaved_documents)),
g_list_length (priv->unsaved_documents));
markup_str = g_strconcat ("<span weight=\"bold\" size=\"larger\">", str, "</span>", NULL);
g_free (str);
gtk_label_set_markup (GTK_LABEL (primary_label), markup_str);
g_free (markup_str);
gtk_box_pack_start (GTK_BOX (vbox), primary_label, FALSE, FALSE, 0);
vbox2 = gtk_vbox_new (FALSE, 8);
gtk_box_pack_start (GTK_BOX (vbox), vbox2, FALSE, FALSE, 0);
if (priv->disable_save_to_disk)
select_label = gtk_label_new_with_mnemonic (_("Docum_ents with unsaved changes:"));
else
select_label = gtk_label_new_with_mnemonic (_("S_elect the documents you want to save:"));
gtk_box_pack_start (GTK_BOX (vbox2), select_label, FALSE, FALSE, 0);
gtk_label_set_line_wrap (GTK_LABEL (select_label), TRUE);
gtk_misc_set_alignment (GTK_MISC (select_label), 0.0, 0.5);
scrolledwindow = gtk_scrolled_window_new (NULL, NULL);
gtk_box_pack_start (GTK_BOX (vbox2), scrolledwindow, TRUE, TRUE, 0);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolledwindow),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolledwindow),
GTK_SHADOW_IN);
treeview = create_treeview (priv);
gtk_container_add (GTK_CONTAINER (scrolledwindow), treeview);
/* Secondary label */
if (priv->disable_save_to_disk)
secondary_label = gtk_label_new (_("Saving has been disabled by the system administrator."));
else
secondary_label = gtk_label_new (_("If you don't save, "
"all your changes will be permanently lost."));
gtk_box_pack_start (GTK_BOX (vbox2), secondary_label, FALSE, FALSE, 0);
gtk_label_set_line_wrap (GTK_LABEL (secondary_label), TRUE);
gtk_misc_set_alignment (GTK_MISC (secondary_label), 0, 0.5);
gtk_label_set_selectable (GTK_LABEL (secondary_label), TRUE);
gtk_label_set_mnemonic_widget (GTK_LABEL (select_label), treeview);
gtk_widget_show_all (hbox);
}
static void
set_unsaved_document (PlumaCloseConfirmationDialog *dlg,
const GList *list)
{
PlumaCloseConfirmationDialogPrivate *priv;
g_return_if_fail (list != NULL);
priv = dlg->priv;
g_return_if_fail (priv->unsaved_documents == NULL);
priv->unsaved_documents = g_list_copy ((GList *)list);
if (GET_MODE (priv) == SINGLE_DOC_MODE)
{
build_single_doc_dialog (dlg);
}
else
{
build_multiple_docs_dialog (dlg);
}
}
const GList *
pluma_close_confirmation_dialog_get_unsaved_documents (PlumaCloseConfirmationDialog *dlg)
{
g_return_val_if_fail (PLUMA_IS_CLOSE_CONFIRMATION_DIALOG (dlg), NULL);
return dlg->priv->unsaved_documents;
}