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/*
* saveactions.c - this file is part of Geany, a fast and lightweight IDE
*
* Copyright 2007-2012 Enrico Tröger <enrico(dot)troeger(at)uvena(dot)de>
* Copyright 2007-2012 Nick Treleaven <nick(dot)treleaven(at)btinternet(dot)com>
*
* 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/


#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

#include "geanyplugin.h"

#include <unistd.h>
#include <errno.h>
#include <glib/gstdio.h>


GeanyData *geany_data;
GeanyFunctions *geany_functions;


PLUGIN_VERSION_CHECK(GEANY_API_VERSION)

PLUGIN_SET_INFO(_("Save Actions"), _("This plugin provides different actions related to saving of files."),
VERSION, _("The Geany developer team"))


enum
{
NOTEBOOK_PAGE_AUTOSAVE = 0,
NOTEBOOK_PAGE_INSTANTSAVE,
NOTEBOOK_PAGE_BACKUPCOPY
};

static struct
{
GtkWidget *checkbox_enable_autosave;
GtkWidget *checkbox_enable_instantsave;
GtkWidget *checkbox_enable_backupcopy;

GtkWidget *autosave_interval_spin;
GtkWidget *autosave_print_msg_checkbox;
GtkWidget *autosave_save_all_radio1;
GtkWidget *autosave_save_all_radio2;

GtkWidget *instantsave_ft_combo;

GtkWidget *backupcopy_entry_dir;
GtkWidget *backupcopy_entry_time;
GtkWidget *backupcopy_spin_dir_levels;
}
pref_widgets;


static gboolean enable_autosave;
static gboolean enable_instantsave;
static gboolean enable_backupcopy;

static gint autosave_interval;
static gboolean autosave_print_msg;
static gboolean autosave_save_all;
static guint autosave_src_id = 0;

static gchar *instantsave_default_ft;

static gchar *backupcopy_backup_dir; /* path to an existing directory in locale encoding */
static gchar *backupcopy_time_fmt;
static gint backupcopy_dir_levels;

static gchar *config_file;


/* Ensures utf8_dir exists and is writable and
* set backup_dir to the locale encoded form of utf8_dir */
static gboolean backupcopy_set_backup_dir(const gchar *utf8_dir)
{
gchar *tmp;

if (G_UNLIKELY(! NZV(utf8_dir)))
return FALSE;

tmp = utils_get_locale_from_utf8(utf8_dir);

if (! g_path_is_absolute(tmp) ||
! g_file_test(tmp, G_FILE_TEST_EXISTS) ||
! g_file_test(tmp, G_FILE_TEST_IS_DIR))
{
g_free(tmp);
return FALSE;
}
/** TODO add utils_is_file_writeable() to the plugin API and make use of it **/

SETPTR(backupcopy_backup_dir, tmp);

return TRUE;
}


static gchar *backupcopy_skip_root(gchar *filename)
{
/* first skip the root (e.g. c:\ on windows) */
const gchar *dir = g_path_skip_root(filename);

/* if this has failed, use the filename again */
if (dir == NULL)
dir = filename;
/* check again for leading / or \ */
while (*dir == G_DIR_SEPARATOR)
dir++;

return (gchar *) dir;
}


static gchar *backupcopy_create_dir_parts(const gchar *filename)
{
gint cnt_dir_parts = 0;
gchar *cp;
gchar *dirname;
gchar last_char = 0;
gint error;
gchar *result;
gchar *target_dir;

if (backupcopy_dir_levels == 0)
return g_strdup("");

dirname = g_path_get_dirname(filename);

cp = dirname;
/* walk to the end of the string */
while (*cp != '\0')
cp++;

/* walk backwards to find directory parts */
while (cp > dirname)
{
if (*cp == G_DIR_SEPARATOR && last_char != G_DIR_SEPARATOR)
cnt_dir_parts++;

if (cnt_dir_parts == backupcopy_dir_levels)
break;

last_char = *cp;
cp--;
}

result = backupcopy_skip_root(cp); /* skip leading slash/backslash and c:\ */
target_dir = g_build_filename(backupcopy_backup_dir, result, NULL);

error = utils_mkdir(target_dir, TRUE);
if (error != 0)
{
ui_set_statusbar(FALSE, _("Backup Copy: Directory could not be created (%s)."),
g_strerror(error));

result = g_strdup(""); /* return an empty string in case of an error */
}
else
result = g_strdup(result);

g_free(dirname);
g_free(target_dir);

return result;
}


static void backupcopy_document_save_cb(GObject *obj, GeanyDocument *doc, gpointer user_data)
{
FILE *src, *dst;
gchar *locale_filename_src;
gchar *locale_filename_dst;
gchar *basename_src;
gchar *dir_parts_src;
gchar *stamp;

if (! enable_backupcopy)
return;

locale_filename_src = utils_get_locale_from_utf8(doc->file_name);

if ((src = g_fopen(locale_filename_src, "r")) == NULL)
{
/* it's unlikely that this happens */
ui_set_statusbar(FALSE, _("Backup Copy: File could not be read (%s)."),
g_strerror(errno));
g_free(locale_filename_src);
return;
}

stamp = utils_get_date_time(backupcopy_time_fmt, NULL);
basename_src = g_path_get_basename(locale_filename_src);
dir_parts_src = backupcopy_create_dir_parts(locale_filename_src);
locale_filename_dst = g_strconcat(
backupcopy_backup_dir, G_DIR_SEPARATOR_S,
dir_parts_src, G_DIR_SEPARATOR_S,
basename_src, ".", stamp, NULL);
g_free(basename_src);
g_free(dir_parts_src);

if ((dst = g_fopen(locale_filename_dst, "wb")) == NULL)
{
ui_set_statusbar(FALSE, _("Backup Copy: File could not be saved (%s)."),
g_strerror(errno));
g_free(locale_filename_src);
g_free(locale_filename_dst);
g_free(stamp);
fclose(src);
return;
}

while (fgets(stamp, sizeof(stamp), src) != NULL)
{
fputs(stamp, dst);
}

fclose(src);
fclose(dst);
g_free(locale_filename_src);
g_free(locale_filename_dst);
g_free(stamp);
}


static void instantsave_document_new_cb(GObject *obj, GeanyDocument *doc, gpointer user_data)
{
    if (enable_instantsave && doc->file_name == NULL)
    {
gchar *new_filename;
gint fd;
GeanyFiletype *ft = doc->file_type;

fd = g_file_open_tmp("gis_XXXXXX", &new_filename, NULL);
if (fd != -1)
close(fd); /* close the returned file descriptor as we only need the filename */

if (ft == NULL || ft->id == GEANY_FILETYPES_NONE)
/* ft is NULL when a new file without template was opened, so use the
* configured default file type */
ft = filetypes_lookup_by_name(instantsave_default_ft);

if (ft != NULL)
/* add the filetype's default extension to the new filename */
SETPTR(new_filename, g_strconcat(new_filename, ".", ft->extension, NULL));

doc->file_name = new_filename;

if (doc->file_type->id == GEANY_FILETYPES_NONE)
document_set_filetype(doc, filetypes_lookup_by_name(instantsave_default_ft));

/* force saving the file to enable all the related actions(tab name, filetype, etc.) */
document_save_file(doc, TRUE);
    }
}


PluginCallback plugin_callbacks[] =
{
{ "document-new", (GCallback) &instantsave_document_new_cb, FALSE, NULL },
{ "document-save", (GCallback) &backupcopy_document_save_cb, FALSE, NULL },
{ NULL, NULL, FALSE, NULL }
};


static gboolean auto_save(gpointer data)
{
GeanyDocument *doc;
GeanyDocument *cur_doc = document_get_current();
gint i, max = gtk_notebook_get_n_pages(GTK_NOTEBOOK(geany->main_widgets->notebook));
gint saved_files = 0;

if (cur_doc == NULL)
return TRUE;

if (autosave_save_all)
{
for (i = 0; i < max; i++)
{
doc = document_get_from_page(i);

/* skip current file (save it last), skip files without name */
if (doc != cur_doc && doc->file_name != NULL)
if (document_save_file(doc, FALSE))
saved_files++;
}
}
/* finally save current file, do it after all other files to get correct window title and
* symbol list */
if (cur_doc->file_name != NULL)
if (document_save_file(cur_doc, FALSE))
saved_files++;

if (saved_files > 0 && autosave_print_msg)
ui_set_statusbar(FALSE, ngettext(
"Autosave: Saved %d file automatically.",
"Autosave: Saved %d files automatically.", saved_files),
saved_files);

return TRUE;
}


static void autosave_set_timeout(void)
{
if (! enable_autosave)
return;

if (autosave_src_id != 0)
g_source_remove(autosave_src_id);
autosave_src_id = g_timeout_add(autosave_interval * 1000, (GSourceFunc) auto_save, NULL);
}


void plugin_init(GeanyData *data)
{
GKeyFile *config = g_key_file_new();
gchar *tmp;

config_file = g_strconcat(geany->app->configdir, G_DIR_SEPARATOR_S, "plugins",
G_DIR_SEPARATOR_S, "saveactions", G_DIR_SEPARATOR_S, "saveactions.conf", NULL);

g_key_file_load_from_file(config, config_file, G_KEY_FILE_NONE, NULL);

enable_autosave = utils_get_setting_boolean(
config, "saveactions", "enable_autosave", FALSE);
enable_instantsave = utils_get_setting_boolean(
config, "saveactions", "enable_instantsave", FALSE);
enable_backupcopy = utils_get_setting_boolean(
config, "saveactions", "enable_backupcopy", FALSE);

instantsave_default_ft = utils_get_setting_string(config, "instantsave", "default_ft",
filetypes[GEANY_FILETYPES_NONE]->name);

autosave_src_id = 0; /* mark as invalid */
autosave_interval = utils_get_setting_integer(config, "autosave", "interval", 300);
autosave_print_msg = utils_get_setting_boolean(config, "autosave", "print_messages", FALSE);
autosave_save_all = utils_get_setting_boolean(config, "autosave", "save_all", FALSE);
if (enable_autosave)
autosave_set_timeout();

backupcopy_dir_levels = utils_get_setting_integer(config, "backupcopy", "dir_levels", 0);
backupcopy_time_fmt = utils_get_setting_string(
config, "backupcopy", "time_fmt", "%Y-%m-%d-%H-%M-%S");
tmp = utils_get_setting_string(config, "backupcopy", "backup_dir", g_get_tmp_dir());
backupcopy_set_backup_dir(tmp);

g_key_file_free(config);
g_free(tmp);
}


static void backupcopy_dir_button_clicked_cb(GtkButton *button, gpointer item)
{
/** TODO add win32_show_pref_file_dialog to the plugin API and use it **/
/*
#ifdef G_OS_WIN32
win32_show_pref_file_dialog(item);
#else
*/
GtkWidget *dialog;
gchar *text;

/* initialize the dialog */
dialog = gtk_file_chooser_dialog_new(_("Select Directory"), NULL,
GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT, NULL);

text = utils_get_locale_from_utf8(gtk_entry_get_text(GTK_ENTRY(item)));
if (NZV(text))
gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(dialog), text);

/* run it */
if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT)
{
gchar *utf8_filename, *tmp;

tmp = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
utf8_filename = utils_get_utf8_from_locale(tmp);

gtk_entry_set_text(GTK_ENTRY(item), utf8_filename);

g_free(utf8_filename);
g_free(tmp);
}

gtk_widget_destroy(dialog);
}


static void configure_response_cb(GtkDialog *dialog, gint response, G_GNUC_UNUSED gpointer data)
{
if (response == GTK_RESPONSE_OK || response == GTK_RESPONSE_APPLY)
{
GKeyFile *config = g_key_file_new();
gchar *str;
const gchar *text_dir, *text_time;
gchar *config_dir = g_path_get_dirname(config_file);

enable_autosave = gtk_toggle_button_get_active(
GTK_TOGGLE_BUTTON(pref_widgets.checkbox_enable_autosave));
enable_instantsave = gtk_toggle_button_get_active(
GTK_TOGGLE_BUTTON(pref_widgets.checkbox_enable_instantsave));
enable_backupcopy = gtk_toggle_button_get_active(
GTK_TOGGLE_BUTTON(pref_widgets.checkbox_enable_backupcopy));

autosave_interval = gtk_spin_button_get_value_as_int(
GTK_SPIN_BUTTON(pref_widgets.autosave_interval_spin));
autosave_print_msg = gtk_toggle_button_get_active(
GTK_TOGGLE_BUTTON(pref_widgets.autosave_print_msg_checkbox));
autosave_save_all = gtk_toggle_button_get_active(
GTK_TOGGLE_BUTTON(pref_widgets.autosave_save_all_radio2));

g_free(instantsave_default_ft);
instantsave_default_ft = gtk_combo_box_get_active_text(
GTK_COMBO_BOX(pref_widgets.instantsave_ft_combo));

text_dir = gtk_entry_get_text(GTK_ENTRY(pref_widgets.backupcopy_entry_dir));
text_time = gtk_entry_get_text(GTK_ENTRY(pref_widgets.backupcopy_entry_time));
backupcopy_dir_levels = gtk_spin_button_get_value_as_int(
GTK_SPIN_BUTTON(pref_widgets.backupcopy_spin_dir_levels));


g_key_file_load_from_file(config, config_file, G_KEY_FILE_NONE, NULL);

g_key_file_set_boolean(config, "saveactions", "enable_autosave", enable_autosave);
g_key_file_set_boolean(config, "saveactions", "enable_instantsave", enable_instantsave);
g_key_file_set_boolean(config, "saveactions", "enable_backupcopy", enable_backupcopy);

g_key_file_set_boolean(config, "autosave", "print_messages", autosave_print_msg);
g_key_file_set_boolean(config, "autosave", "save_all", autosave_save_all);
g_key_file_set_integer(config, "autosave", "interval", autosave_interval);

if (instantsave_default_ft != NULL)
g_key_file_set_string(config, "instantsave", "default_ft", instantsave_default_ft);

g_key_file_set_integer(config, "backupcopy", "dir_levels", backupcopy_dir_levels);
g_key_file_set_string(config, "backupcopy", "time_fmt", text_time);
SETPTR(backupcopy_time_fmt, g_strdup(text_time));
if (enable_backupcopy)
{
if (NZV(text_dir) && backupcopy_set_backup_dir(text_dir))
{
g_key_file_set_string(config, "backupcopy", "backup_dir", text_dir);
}
else
{
dialogs_show_msgbox(GTK_MESSAGE_ERROR,
_("Backup directory does not exist or is not writable."));
}
}


if (! g_file_test(config_dir, G_FILE_TEST_IS_DIR) && utils_mkdir(config_dir, TRUE) != 0)
{
dialogs_show_msgbox(GTK_MESSAGE_ERROR,
_("Plugin configuration directory could not be created."));
}
else
{
/* write config to file */
str = g_key_file_to_data(config, NULL, NULL);
utils_write_file(config_file, str);
g_free(str);
}

if (enable_autosave)
autosave_set_timeout(); /* apply the changes */

g_free(config_dir);
g_key_file_free(config);
}
}


static void checkbox_toggled_cb(GtkToggleButton *tb, gpointer data)
{
gboolean enable = gtk_toggle_button_get_active(tb);

switch (GPOINTER_TO_INT(data))
{
case NOTEBOOK_PAGE_AUTOSAVE:
{
gtk_widget_set_sensitive(pref_widgets.autosave_interval_spin, enable);
gtk_widget_set_sensitive(pref_widgets.autosave_print_msg_checkbox, enable);
gtk_widget_set_sensitive(pref_widgets.autosave_save_all_radio1, enable);
gtk_widget_set_sensitive(pref_widgets.autosave_save_all_radio2, enable);
break;
}
case NOTEBOOK_PAGE_INSTANTSAVE:
{
gtk_widget_set_sensitive(pref_widgets.instantsave_ft_combo, enable);
break;
}
case NOTEBOOK_PAGE_BACKUPCOPY:
{
gtk_widget_set_sensitive(pref_widgets.backupcopy_entry_dir, enable);
gtk_widget_set_sensitive(pref_widgets.backupcopy_entry_time, enable);
gtk_widget_set_sensitive(pref_widgets.backupcopy_spin_dir_levels, enable);
break;
}
}

}


GtkWidget *plugin_configure(GtkDialog *dialog)
{
GtkWidget *vbox, *label, *notebook_vbox, *checkbox_enable;
GtkWidget *notebook, *inner_vbox;

vbox = gtk_vbox_new(FALSE, 6);

notebook = gtk_notebook_new();
GTK_WIDGET_UNSET_FLAGS(notebook, GTK_CAN_FOCUS);
gtk_container_set_border_width(GTK_CONTAINER(notebook), 5);
gtk_box_pack_start(GTK_BOX(vbox), notebook, FALSE, TRUE, 0);

/*
* Auto Save
*/
{
GtkWidget *spin, *hbox, *checkbox, *radio1, *radio2;

notebook_vbox = gtk_vbox_new(FALSE, 2);
inner_vbox = gtk_vbox_new(FALSE, 5);
gtk_container_set_border_width(GTK_CONTAINER(inner_vbox), 5);
gtk_box_pack_start(GTK_BOX(notebook_vbox), inner_vbox, TRUE, TRUE, 5);
gtk_notebook_insert_page(GTK_NOTEBOOK(notebook),
notebook_vbox, gtk_label_new(_("Auto Save")), NOTEBOOK_PAGE_AUTOSAVE);

checkbox_enable = gtk_check_button_new_with_mnemonic(_("_Enable"));
gtk_button_set_focus_on_click(GTK_BUTTON(checkbox_enable), FALSE);
pref_widgets.checkbox_enable_autosave = checkbox_enable;
gtk_box_pack_start(GTK_BOX(inner_vbox), checkbox_enable, FALSE, FALSE, 6);
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbox_enable), enable_autosave);
g_signal_connect(checkbox_enable, "toggled",
G_CALLBACK(checkbox_toggled_cb), GINT_TO_POINTER(NOTEBOOK_PAGE_AUTOSAVE));

label = gtk_label_new_with_mnemonic(_("Auto save _interval:"));
gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5);
gtk_container_add(GTK_CONTAINER(inner_vbox), label);

pref_widgets.autosave_interval_spin = spin = gtk_spin_button_new_with_range(1, 1800, 1);
gtk_spin_button_set_value(GTK_SPIN_BUTTON(spin), autosave_interval);
gtk_label_set_mnemonic_widget(GTK_LABEL(label), spin);

label = gtk_label_new(_("seconds"));

hbox = gtk_hbox_new(FALSE, 5);
gtk_box_pack_start(GTK_BOX(hbox), spin, TRUE, TRUE, 0);
gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 0);

gtk_box_pack_start(GTK_BOX(inner_vbox), hbox, FALSE, FALSE, 5);

checkbox = gtk_check_button_new_with_mnemonic(
_("_Print status message if files have been automatically saved"));
gtk_button_set_focus_on_click(GTK_BUTTON(checkbox), FALSE);
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbox), autosave_print_msg);
gtk_label_set_mnemonic_widget(GTK_LABEL(label), checkbox);
gtk_box_pack_start(GTK_BOX(inner_vbox), checkbox, FALSE, FALSE, 5);
pref_widgets.autosave_print_msg_checkbox = checkbox;

radio1 = gtk_radio_button_new_with_mnemonic(NULL,
_("Save only current open _file"));
pref_widgets.autosave_save_all_radio1 = radio1;
gtk_label_set_mnemonic_widget(GTK_LABEL(label), radio1);
gtk_button_set_focus_on_click(GTK_BUTTON(radio1), FALSE);
gtk_container_add(GTK_CONTAINER(inner_vbox), radio1);

radio2 = gtk_radio_button_new_with_mnemonic_from_widget(
GTK_RADIO_BUTTON(radio1), _("Sa_ve all open files"));
pref_widgets.autosave_save_all_radio2 = radio2;
gtk_label_set_mnemonic_widget(GTK_LABEL(label), radio2);
gtk_button_set_focus_on_click(GTK_BUTTON(radio2), FALSE);
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(radio2), autosave_save_all);
gtk_container_add(GTK_CONTAINER(inner_vbox), radio2);
}
/*
* Instant Save
*/
{
GtkWidget *combo;
guint i;
const GSList *node;

notebook_vbox = gtk_vbox_new(FALSE, 2);
inner_vbox = gtk_vbox_new(FALSE, 5);
gtk_container_set_border_width(GTK_CONTAINER(inner_vbox), 5);
gtk_box_pack_start(GTK_BOX(notebook_vbox), inner_vbox, TRUE, TRUE, 5);
gtk_notebook_insert_page(GTK_NOTEBOOK(notebook),
notebook_vbox, gtk_label_new(_("Instant Save")), NOTEBOOK_PAGE_INSTANTSAVE);

checkbox_enable = gtk_check_button_new_with_mnemonic(_("_Enable"));
pref_widgets.checkbox_enable_instantsave = checkbox_enable;
gtk_button_set_focus_on_click(GTK_BUTTON(checkbox_enable), FALSE);
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbox_enable), enable_instantsave);
gtk_box_pack_start(GTK_BOX(inner_vbox), checkbox_enable, FALSE, FALSE, 6);
g_signal_connect(checkbox_enable, "toggled",
G_CALLBACK(checkbox_toggled_cb), GINT_TO_POINTER(NOTEBOOK_PAGE_INSTANTSAVE));

label = gtk_label_new_with_mnemonic(_("_Filetype to use for newly opened files:"));
gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5);
gtk_box_pack_start(GTK_BOX(inner_vbox), label, FALSE, FALSE, 0);

pref_widgets.instantsave_ft_combo = combo = gtk_combo_box_new_text();
i = 0;
foreach_slist(node, filetypes_get_sorted_by_name())
{
GeanyFiletype *ft = node->data;

gtk_combo_box_append_text(GTK_COMBO_BOX(combo), ft->name);

if (utils_str_equal(ft->name, instantsave_default_ft))
gtk_combo_box_set_active(GTK_COMBO_BOX(combo), i);
i++;
}
gtk_combo_box_set_wrap_width(GTK_COMBO_BOX(combo), 3);
gtk_label_set_mnemonic_widget(GTK_LABEL(label), combo);
gtk_box_pack_start(GTK_BOX(inner_vbox), combo, FALSE, FALSE, 0);
}
/*
* Backup Copy
*/
{
GtkWidget *hbox, *entry_dir, *entry_time, *button, *image, *spin_dir_levels;

notebook_vbox = gtk_vbox_new(FALSE, 2);
inner_vbox = gtk_vbox_new(FALSE, 5);
gtk_container_set_border_width(GTK_CONTAINER(inner_vbox), 5);
gtk_box_pack_start(GTK_BOX(notebook_vbox), inner_vbox, TRUE, TRUE, 5);
gtk_notebook_insert_page(GTK_NOTEBOOK(notebook),
notebook_vbox, gtk_label_new(_("Backup Copy")), NOTEBOOK_PAGE_BACKUPCOPY);

checkbox_enable = gtk_check_button_new_with_mnemonic(_("_Enable"));
pref_widgets.checkbox_enable_backupcopy = checkbox_enable;
gtk_button_set_focus_on_click(GTK_BUTTON(checkbox_enable), FALSE);
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbox_enable), enable_backupcopy);
gtk_box_pack_start(GTK_BOX(inner_vbox), checkbox_enable, FALSE, FALSE, 6);
g_signal_connect(checkbox_enable, "toggled",
G_CALLBACK(checkbox_toggled_cb), GINT_TO_POINTER(NOTEBOOK_PAGE_BACKUPCOPY));

label = gtk_label_new_with_mnemonic(_("_Directory to save backup files in:"));
gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5);
gtk_box_pack_start(GTK_BOX(inner_vbox), label, FALSE, FALSE, 0);

pref_widgets.backupcopy_entry_dir = entry_dir = gtk_entry_new();
gtk_label_set_mnemonic_widget(GTK_LABEL(label), entry_dir);
if (NZV(backupcopy_backup_dir))
gtk_entry_set_text(GTK_ENTRY(entry_dir), backupcopy_backup_dir);

button = gtk_button_new();
g_signal_connect(button, "clicked",
G_CALLBACK(backupcopy_dir_button_clicked_cb), entry_dir);

image = gtk_image_new_from_stock(GTK_STOCK_OPEN, GTK_ICON_SIZE_BUTTON);
gtk_container_add(GTK_CONTAINER(button), image);

hbox = gtk_hbox_new(FALSE, 6);
gtk_box_pack_start(GTK_BOX(hbox), entry_dir, TRUE, TRUE, 0);
gtk_box_pack_start(GTK_BOX(hbox), button, FALSE, FALSE, 0);

gtk_box_pack_start(GTK_BOX(inner_vbox), hbox, FALSE, FALSE, 0);

label = gtk_label_new_with_mnemonic(
_("Date/_Time format for backup files (\"man strftime\" for details):"));
gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5);
gtk_box_pack_start(GTK_BOX(inner_vbox), label, FALSE, FALSE, 7);

pref_widgets.backupcopy_entry_time = entry_time = gtk_entry_new();
gtk_label_set_mnemonic_widget(GTK_LABEL(label), entry_time);
if (NZV(backupcopy_time_fmt))
gtk_entry_set_text(GTK_ENTRY(entry_time), backupcopy_time_fmt);
gtk_box_pack_start(GTK_BOX(inner_vbox), entry_time, FALSE, FALSE, 0);

hbox = gtk_hbox_new(FALSE, 6);

label = gtk_label_new_with_mnemonic(
_("Directory _levels to include in the backup destination:"));
gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5);
gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 0);

spin_dir_levels = gtk_spin_button_new_with_range(0, 20, 1);
pref_widgets.backupcopy_spin_dir_levels = spin_dir_levels;
gtk_spin_button_set_value(GTK_SPIN_BUTTON(spin_dir_levels), backupcopy_dir_levels);
gtk_label_set_mnemonic_widget(GTK_LABEL(label), spin_dir_levels);
gtk_box_pack_start(GTK_BOX(hbox), spin_dir_levels, FALSE, FALSE, 0);

gtk_box_pack_start(GTK_BOX(inner_vbox), hbox, FALSE, FALSE, 7);
}

/* manually emit the toggled signal of the enable checkboxes to update the widget sensitivity */
g_signal_emit_by_name(pref_widgets.checkbox_enable_autosave, "toggled");
g_signal_emit_by_name(pref_widgets.checkbox_enable_instantsave, "toggled");
g_signal_emit_by_name(pref_widgets.checkbox_enable_backupcopy, "toggled");

gtk_widget_show_all(vbox);
g_signal_connect(dialog, "response", G_CALLBACK(configure_response_cb), NULL);

return vbox;
}


void plugin_cleanup(void)
{
if (autosave_src_id != 0)
g_source_remove(autosave_src_id);

g_free(instantsave_default_ft);

g_free(backupcopy_backup_dir);
g_free(backupcopy_time_fmt);

g_free(config_file);
}
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