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gtk2/gtk/gtkprintbackend.c
Andre Heinecke 382d68ff8e Use secrets service for cups auth_info 
When a printer requires auth_info (e.g. a printer connected
    over the samba protocol) it is now possible to save the
    credentials necessary for printing if a secrets service
    is available over dbus.
    The auth_info is then stored / loaded from the default
    collection of that secrets service.
    If no such service is available the user is not shown
    the option to remember the password and the behavior
    remains the same as before.

    https://bugzilla.gnome.org/show_bug.cgi?id=674264
2014-09-01 22:39:51 +02:00

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/* GTK - The GIMP Toolkit
* gtkprintbackend.h: Abstract printer backend interfaces
* Copyright (C) 2003, Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <string.h>
#include <gmodule.h>
#include "gtkintl.h"
#include "gtkmodules.h"
#include "gtkmodulesprivate.h"
#include "gtkmarshalers.h"
#include "gtkprivate.h"
#include "gtkprintbackend.h"
static void gtk_print_backend_dispose (GObject *object);
static void gtk_print_backend_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec);
static void gtk_print_backend_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec);
struct _GtkPrintBackendPrivate
{
GHashTable *printers;
guint printer_list_requested : 1;
guint printer_list_done : 1;
GtkPrintBackendStatus status;
char **auth_info_required;
char **auth_info;
gboolean store_auth_info;
};
enum {
PRINTER_LIST_CHANGED,
PRINTER_LIST_DONE,
PRINTER_ADDED,
PRINTER_REMOVED,
PRINTER_STATUS_CHANGED,
REQUEST_PASSWORD,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0 };
enum
{
PROP_ZERO,
PROP_STATUS
};
static GObjectClass *backend_parent_class;
GQuark
gtk_print_backend_error_quark (void)
{
static GQuark quark = 0;
if (quark == 0)
quark = g_quark_from_static_string ("gtk-print-backend-error-quark");
return quark;
}
/*****************************************
* GtkPrintBackendModule modules *
*****************************************/
typedef struct _GtkPrintBackendModule GtkPrintBackendModule;
typedef struct _GtkPrintBackendModuleClass GtkPrintBackendModuleClass;
struct _GtkPrintBackendModule
{
GTypeModule parent_instance;
GModule *library;
void (*init) (GTypeModule *module);
void (*exit) (void);
GtkPrintBackend* (*create) (void);
gchar *path;
};
struct _GtkPrintBackendModuleClass
{
GTypeModuleClass parent_class;
};
GType _gtk_print_backend_module_get_type (void);
G_DEFINE_TYPE (GtkPrintBackendModule, _gtk_print_backend_module, G_TYPE_TYPE_MODULE)
#define GTK_TYPE_PRINT_BACKEND_MODULE (_gtk_print_backend_module_get_type ())
#define GTK_PRINT_BACKEND_MODULE(module) (G_TYPE_CHECK_INSTANCE_CAST ((module), GTK_TYPE_PRINT_BACKEND_MODULE, GtkPrintBackendModule))
static GSList *loaded_backends;
static gboolean
gtk_print_backend_module_load (GTypeModule *module)
{
GtkPrintBackendModule *pb_module = GTK_PRINT_BACKEND_MODULE (module);
gpointer initp, exitp, createp;
pb_module->library = g_module_open (pb_module->path, G_MODULE_BIND_LAZY | G_MODULE_BIND_LOCAL);
if (!pb_module->library)
{
g_warning ("%s", g_module_error());
return FALSE;
}
/* extract symbols from the lib */
if (!g_module_symbol (pb_module->library, "pb_module_init",
&initp) ||
!g_module_symbol (pb_module->library, "pb_module_exit",
&exitp) ||
!g_module_symbol (pb_module->library, "pb_module_create",
&createp))
{
g_warning ("%s", g_module_error());
g_module_close (pb_module->library);
return FALSE;
}
pb_module->init = initp;
pb_module->exit = exitp;
pb_module->create = createp;
/* call the printbackend's init function to let it */
/* setup anything it needs to set up. */
pb_module->init (module);
return TRUE;
}
static void
gtk_print_backend_module_unload (GTypeModule *module)
{
GtkPrintBackendModule *pb_module = GTK_PRINT_BACKEND_MODULE (module);
pb_module->exit();
g_module_close (pb_module->library);
pb_module->library = NULL;
pb_module->init = NULL;
pb_module->exit = NULL;
pb_module->create = NULL;
}
/* This only will ever be called if an error occurs during
* initialization
*/
static void
gtk_print_backend_module_finalize (GObject *object)
{
GtkPrintBackendModule *module = GTK_PRINT_BACKEND_MODULE (object);
g_free (module->path);
G_OBJECT_CLASS (_gtk_print_backend_module_parent_class)->finalize (object);
}
static void
_gtk_print_backend_module_class_init (GtkPrintBackendModuleClass *class)
{
GTypeModuleClass *module_class = G_TYPE_MODULE_CLASS (class);
GObjectClass *gobject_class = G_OBJECT_CLASS (class);
module_class->load = gtk_print_backend_module_load;
module_class->unload = gtk_print_backend_module_unload;
gobject_class->finalize = gtk_print_backend_module_finalize;
}
static void
gtk_print_backend_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GtkPrintBackend *backend = GTK_PRINT_BACKEND (object);
GtkPrintBackendPrivate *priv = backend->priv;
switch (prop_id)
{
case PROP_STATUS:
priv->status = g_value_get_int (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gtk_print_backend_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GtkPrintBackend *backend = GTK_PRINT_BACKEND (object);
GtkPrintBackendPrivate *priv = backend->priv;
switch (prop_id)
{
case PROP_STATUS:
g_value_set_int (value, priv->status);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
_gtk_print_backend_module_init (GtkPrintBackendModule *pb_module)
{
}
static GtkPrintBackend *
_gtk_print_backend_module_create (GtkPrintBackendModule *pb_module)
{
GtkPrintBackend *pb;
if (g_type_module_use (G_TYPE_MODULE (pb_module)))
{
pb = pb_module->create ();
g_type_module_unuse (G_TYPE_MODULE (pb_module));
return pb;
}
return NULL;
}
static GtkPrintBackend *
_gtk_print_backend_create (const gchar *backend_name)
{
GSList *l;
gchar *module_path;
gchar *full_name;
GtkPrintBackendModule *pb_module;
GtkPrintBackend *pb;
for (l = loaded_backends; l != NULL; l = l->next)
{
pb_module = l->data;
if (strcmp (G_TYPE_MODULE (pb_module)->name, backend_name) == 0)
return _gtk_print_backend_module_create (pb_module);
}
pb = NULL;
if (g_module_supported ())
{
full_name = g_strconcat ("printbackend-", backend_name, NULL);
module_path = _gtk_find_module (full_name, "printbackends");
g_free (full_name);
if (module_path)
{
pb_module = g_object_new (GTK_TYPE_PRINT_BACKEND_MODULE, NULL);
g_type_module_set_name (G_TYPE_MODULE (pb_module), backend_name);
pb_module->path = g_strdup (module_path);
loaded_backends = g_slist_prepend (loaded_backends,
pb_module);
pb = _gtk_print_backend_module_create (pb_module);
/* Increase use-count so that we don't unload print backends.
* There is a problem with module unloading in the cups module,
* see cups_dispatch_watch_finalize for details.
*/
g_type_module_use (G_TYPE_MODULE (pb_module));
}
g_free (module_path);
}
return pb;
}
/**
* gtk_print_backend_load_modules:
*
* Returns: (element-type GtkPrintBackend) (transfer container):
*/
GList *
gtk_print_backend_load_modules (void)
{
GList *result;
GtkPrintBackend *backend;
gchar *setting;
gchar **backends;
gint i;
GtkSettings *settings;
result = NULL;
settings = gtk_settings_get_default ();
if (settings)
g_object_get (settings, "gtk-print-backends", &setting, NULL);
else
setting = g_strdup (GTK_PRINT_BACKENDS);
backends = g_strsplit (setting, ",", -1);
for (i = 0; backends[i]; i++)
{
g_strchug (backends[i]);
g_strchomp (backends[i]);
backend = _gtk_print_backend_create (backends[i]);
if (backend)
result = g_list_append (result, backend);
}
g_strfreev (backends);
g_free (setting);
return result;
}
/*****************************************
* GtkPrintBackend *
*****************************************/
G_DEFINE_TYPE_WITH_PRIVATE (GtkPrintBackend, gtk_print_backend, G_TYPE_OBJECT)
static void fallback_printer_request_details (GtkPrinter *printer);
static gboolean fallback_printer_mark_conflicts (GtkPrinter *printer,
GtkPrinterOptionSet *options);
static gboolean fallback_printer_get_hard_margins (GtkPrinter *printer,
gdouble *top,
gdouble *bottom,
gdouble *left,
gdouble *right);
static GList * fallback_printer_list_papers (GtkPrinter *printer);
static GtkPageSetup * fallback_printer_get_default_page_size (GtkPrinter *printer);
static GtkPrintCapabilities fallback_printer_get_capabilities (GtkPrinter *printer);
static void request_password (GtkPrintBackend *backend,
gpointer auth_info_required,
gpointer auth_info_default,
gpointer auth_info_display,
gpointer auth_info_visible,
const gchar *prompt,
gboolean can_store_auth_info);
static void
gtk_print_backend_class_init (GtkPrintBackendClass *class)
{
GObjectClass *object_class;
object_class = (GObjectClass *) class;
backend_parent_class = g_type_class_peek_parent (class);
object_class->dispose = gtk_print_backend_dispose;
object_class->set_property = gtk_print_backend_set_property;
object_class->get_property = gtk_print_backend_get_property;
class->printer_request_details = fallback_printer_request_details;
class->printer_mark_conflicts = fallback_printer_mark_conflicts;
class->printer_get_hard_margins = fallback_printer_get_hard_margins;
class->printer_list_papers = fallback_printer_list_papers;
class->printer_get_default_page_size = fallback_printer_get_default_page_size;
class->printer_get_capabilities = fallback_printer_get_capabilities;
class->request_password = request_password;
g_object_class_install_property (object_class,
PROP_STATUS,
g_param_spec_int ("status",
"Status",
"The status of the print backend",
GTK_PRINT_BACKEND_STATUS_UNKNOWN,
GTK_PRINT_BACKEND_STATUS_UNAVAILABLE,
GTK_PRINT_BACKEND_STATUS_UNKNOWN,
GTK_PARAM_READWRITE));
signals[PRINTER_LIST_CHANGED] =
g_signal_new (I_("printer-list-changed"),
G_TYPE_FROM_CLASS (class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GtkPrintBackendClass, printer_list_changed),
NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
signals[PRINTER_LIST_DONE] =
g_signal_new (I_("printer-list-done"),
G_TYPE_FROM_CLASS (class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GtkPrintBackendClass, printer_list_done),
NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
signals[PRINTER_ADDED] =
g_signal_new (I_("printer-added"),
G_TYPE_FROM_CLASS (class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GtkPrintBackendClass, printer_added),
NULL, NULL,
g_cclosure_marshal_VOID__OBJECT,
G_TYPE_NONE, 1, GTK_TYPE_PRINTER);
signals[PRINTER_REMOVED] =
g_signal_new (I_("printer-removed"),
G_TYPE_FROM_CLASS (class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GtkPrintBackendClass, printer_removed),
NULL, NULL,
g_cclosure_marshal_VOID__OBJECT,
G_TYPE_NONE, 1, GTK_TYPE_PRINTER);
signals[PRINTER_STATUS_CHANGED] =
g_signal_new (I_("printer-status-changed"),
G_TYPE_FROM_CLASS (class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GtkPrintBackendClass, printer_status_changed),
NULL, NULL,
g_cclosure_marshal_VOID__OBJECT,
G_TYPE_NONE, 1, GTK_TYPE_PRINTER);
signals[REQUEST_PASSWORD] =
g_signal_new (I_("request-password"),
G_TYPE_FROM_CLASS (class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GtkPrintBackendClass, request_password),
NULL, NULL, NULL,
G_TYPE_NONE, 6, G_TYPE_POINTER, G_TYPE_POINTER, G_TYPE_POINTER,
G_TYPE_POINTER, G_TYPE_STRING, G_TYPE_BOOLEAN);
}
static void
gtk_print_backend_init (GtkPrintBackend *backend)
{
GtkPrintBackendPrivate *priv;
priv = backend->priv = gtk_print_backend_get_instance_private (backend);
priv->printers = g_hash_table_new_full (g_str_hash, g_str_equal,
(GDestroyNotify) g_free,
(GDestroyNotify) g_object_unref);
priv->auth_info_required = NULL;
priv->auth_info = NULL;
}
static void
gtk_print_backend_dispose (GObject *object)
{
GtkPrintBackend *backend;
GtkPrintBackendPrivate *priv;
backend = GTK_PRINT_BACKEND (object);
priv = backend->priv;
/* We unref the printers in dispose, not in finalize so that
* we can break refcount cycles with gtk_print_backend_destroy
*/
if (priv->printers)
{
g_hash_table_destroy (priv->printers);
priv->printers = NULL;
}
backend_parent_class->dispose (object);
}
static void
fallback_printer_request_details (GtkPrinter *printer)
{
}
static gboolean
fallback_printer_mark_conflicts (GtkPrinter *printer,
GtkPrinterOptionSet *options)
{
return FALSE;
}
static gboolean
fallback_printer_get_hard_margins (GtkPrinter *printer,
gdouble *top,
gdouble *bottom,
gdouble *left,
gdouble *right)
{
return FALSE;
}
static GList *
fallback_printer_list_papers (GtkPrinter *printer)
{
return NULL;
}
static GtkPageSetup *
fallback_printer_get_default_page_size (GtkPrinter *printer)
{
return NULL;
}
static GtkPrintCapabilities
fallback_printer_get_capabilities (GtkPrinter *printer)
{
return 0;
}
static void
printer_hash_to_sorted_active_list (const gchar *key,
gpointer value,
GList **out_list)
{
GtkPrinter *printer;
printer = GTK_PRINTER (value);
if (gtk_printer_get_name (printer) == NULL)
return;
if (!gtk_printer_is_active (printer))
return;
*out_list = g_list_insert_sorted (*out_list, value, (GCompareFunc) gtk_printer_compare);
}
void
gtk_print_backend_add_printer (GtkPrintBackend *backend,
GtkPrinter *printer)
{
GtkPrintBackendPrivate *priv;
g_return_if_fail (GTK_IS_PRINT_BACKEND (backend));
priv = backend->priv;
if (!priv->printers)
return;
g_hash_table_insert (priv->printers,
g_strdup (gtk_printer_get_name (printer)),
g_object_ref (printer));
}
void
gtk_print_backend_remove_printer (GtkPrintBackend *backend,
GtkPrinter *printer)
{
GtkPrintBackendPrivate *priv;
g_return_if_fail (GTK_IS_PRINT_BACKEND (backend));
priv = backend->priv;
if (!priv->printers)
return;
g_hash_table_remove (priv->printers,
gtk_printer_get_name (printer));
}
void
gtk_print_backend_set_list_done (GtkPrintBackend *backend)
{
if (!backend->priv->printer_list_done)
{
backend->priv->printer_list_done = TRUE;
g_signal_emit (backend, signals[PRINTER_LIST_DONE], 0);
}
}
/**
* gtk_print_backend_get_printer_list:
*
* Returns the current list of printers.
*
* Returns: (element-type GtkPrinter) (transfer container):
* A list of #GtkPrinter objects. The list should be freed
* with g_list_free().
*/
GList *
gtk_print_backend_get_printer_list (GtkPrintBackend *backend)
{
GtkPrintBackendPrivate *priv;
GList *result;
g_return_val_if_fail (GTK_IS_PRINT_BACKEND (backend), NULL);
priv = backend->priv;
result = NULL;
if (priv->printers != NULL)
g_hash_table_foreach (priv->printers,
(GHFunc) printer_hash_to_sorted_active_list,
&result);
if (!priv->printer_list_requested && priv->printers != NULL)
{
if (GTK_PRINT_BACKEND_GET_CLASS (backend)->request_printer_list)
GTK_PRINT_BACKEND_GET_CLASS (backend)->request_printer_list (backend);
priv->printer_list_requested = TRUE;
}
return result;
}
gboolean
gtk_print_backend_printer_list_is_done (GtkPrintBackend *print_backend)
{
g_return_val_if_fail (GTK_IS_PRINT_BACKEND (print_backend), TRUE);
return print_backend->priv->printer_list_done;
}
GtkPrinter *
gtk_print_backend_find_printer (GtkPrintBackend *backend,
const gchar *printer_name)
{
GtkPrintBackendPrivate *priv;
GtkPrinter *printer;
g_return_val_if_fail (GTK_IS_PRINT_BACKEND (backend), NULL);
priv = backend->priv;
if (priv->printers)
printer = g_hash_table_lookup (priv->printers, printer_name);
else
printer = NULL;
return printer;
}
void
gtk_print_backend_print_stream (GtkPrintBackend *backend,
GtkPrintJob *job,
GIOChannel *data_io,
GtkPrintJobCompleteFunc callback,
gpointer user_data,
GDestroyNotify dnotify)
{
g_return_if_fail (GTK_IS_PRINT_BACKEND (backend));
GTK_PRINT_BACKEND_GET_CLASS (backend)->print_stream (backend,
job,
data_io,
callback,
user_data,
dnotify);
}
void
gtk_print_backend_set_password (GtkPrintBackend *backend,
gchar **auth_info_required,
gchar **auth_info,
gboolean store_auth_info)
{
g_return_if_fail (GTK_IS_PRINT_BACKEND (backend));
if (GTK_PRINT_BACKEND_GET_CLASS (backend)->set_password)
GTK_PRINT_BACKEND_GET_CLASS (backend)->set_password (backend,
auth_info_required,
auth_info,
store_auth_info);
}
static void
store_auth_info_toggled (GtkCheckButton *chkbtn,
gpointer user_data)
{
gboolean *data = (gboolean *) user_data;
*data = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (chkbtn));
}
static void
store_entry (GtkEntry *entry,
gpointer user_data)
{
gchar **data = (gchar **) user_data;
if (*data != NULL)
{
memset (*data, 0, strlen (*data));
g_free (*data);
}
*data = g_strdup (gtk_entry_get_text (entry));
}
static void
password_dialog_response (GtkWidget *dialog,
gint response_id,
GtkPrintBackend *backend)
{
GtkPrintBackendPrivate *priv = backend->priv;
gint i;
if (response_id == GTK_RESPONSE_OK)
gtk_print_backend_set_password (backend, priv->auth_info_required, priv->auth_info, priv->store_auth_info);
else
gtk_print_backend_set_password (backend, priv->auth_info_required, NULL, FALSE);
for (i = 0; i < g_strv_length (priv->auth_info_required); i++)
if (priv->auth_info[i] != NULL)
{
memset (priv->auth_info[i], 0, strlen (priv->auth_info[i]));
g_free (priv->auth_info[i]);
priv->auth_info[i] = NULL;
}
g_free (priv->auth_info);
priv->auth_info = NULL;
g_strfreev (priv->auth_info_required);
gtk_widget_destroy (dialog);
g_object_unref (backend);
}
static void
request_password (GtkPrintBackend *backend,
gpointer auth_info_required,
gpointer auth_info_default,
gpointer auth_info_display,
gpointer auth_info_visible,
const gchar *prompt,
gboolean can_store_auth_info)
{
GtkPrintBackendPrivate *priv = backend->priv;
GtkWidget *dialog, *box, *main_box, *label, *icon, *vbox, *entry, *chkbtn;
GtkWidget *focus = NULL;
GtkWidget *content_area;
gchar *markup;
gint length;
gint i;
gchar **ai_required = (gchar **) auth_info_required;
gchar **ai_default = (gchar **) auth_info_default;
gchar **ai_display = (gchar **) auth_info_display;
gboolean *ai_visible = (gboolean *) auth_info_visible;
priv->auth_info_required = g_strdupv (ai_required);
length = g_strv_length (ai_required);
priv->auth_info = g_new0 (gchar *, length);
priv->store_auth_info = FALSE;
dialog = gtk_dialog_new_with_buttons ( _("Authentication"), NULL, GTK_DIALOG_MODAL,
_("_Cancel"), GTK_RESPONSE_CANCEL,
_("_OK"), GTK_RESPONSE_OK,
NULL);
gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_OK);
main_box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
/* Left */
icon = gtk_image_new_from_icon_name ("dialog-password-symbolic", GTK_ICON_SIZE_DIALOG);
gtk_widget_set_halign (icon, GTK_ALIGN_CENTER);
gtk_widget_set_valign (icon, GTK_ALIGN_START);
g_object_set (icon, "margin", 6, NULL);
/* Right */
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_widget_set_size_request (GTK_WIDGET (vbox), 320, -1);
/* Right - 1. */
label = gtk_label_new (NULL);
markup = g_markup_printf_escaped ("<span weight=\"bold\" size=\"large\">%s</span>", prompt);
gtk_label_set_markup (GTK_LABEL (label), markup);
gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
gtk_widget_set_size_request (GTK_WIDGET (label), 320, -1);
g_free (markup);
/* Packing */
content_area = gtk_dialog_get_content_area (GTK_DIALOG (dialog));
gtk_box_pack_start (GTK_BOX (content_area), main_box, TRUE, FALSE, 0);
gtk_box_pack_start (GTK_BOX (main_box), icon, FALSE, FALSE, 6);
gtk_box_pack_start (GTK_BOX (main_box), vbox, FALSE, FALSE, 6);
gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, TRUE, 6);
/* Right - 2. */
for (i = 0; i < length; i++)
{
priv->auth_info[i] = g_strdup (ai_default[i]);
if (ai_display[i] != NULL)
{
box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
gtk_box_set_homogeneous (GTK_BOX (box), TRUE);
label = gtk_label_new (ai_display[i]);
gtk_widget_set_halign (label, GTK_ALIGN_START);
gtk_widget_set_valign (label, GTK_ALIGN_CENTER);
entry = gtk_entry_new ();
focus = entry;
if (ai_default[i] != NULL)
gtk_entry_set_text (GTK_ENTRY (entry), ai_default[i]);
gtk_entry_set_visibility (GTK_ENTRY (entry), ai_visible[i]);
gtk_entry_set_activates_default (GTK_ENTRY (entry), TRUE);
gtk_box_pack_start (GTK_BOX (vbox), box, FALSE, TRUE, 6);
gtk_box_pack_start (GTK_BOX (box), label, TRUE, TRUE, 0);
gtk_box_pack_start (GTK_BOX (box), entry, TRUE, TRUE, 0);
g_signal_connect (entry, "changed",
G_CALLBACK (store_entry), &(priv->auth_info[i]));
}
}
if (can_store_auth_info)
{
chkbtn = gtk_check_button_new_with_mnemonic (_("_Remember password"));
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (chkbtn), FALSE);
gtk_box_pack_start (GTK_BOX (vbox), chkbtn, FALSE, FALSE, 6);
g_signal_connect (chkbtn, "toggled",
G_CALLBACK (store_auth_info_toggled),
&(priv->store_auth_info));
}
if (focus != NULL)
{
gtk_widget_grab_focus (focus);
focus = NULL;
}
g_object_ref (backend);
g_signal_connect (G_OBJECT (dialog), "response",
G_CALLBACK (password_dialog_response), backend);
gtk_widget_show_all (dialog);
}
void
gtk_print_backend_destroy (GtkPrintBackend *print_backend)
{
/* The lifecycle of print backends and printers are tied, such that
* the backend owns the printers, but the printers also ref the backend.
* This is so that if the app has a reference to a printer its backend
* will be around. However, this results in a cycle, which we break
* with this call, which causes the print backend to release its printers.
*/
g_object_run_dispose (G_OBJECT (print_backend));
}
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