/* GTK - The GIMP Toolkit
* gtkprintbackendprivate . h : Abstract printer backend interfaces
* Copyright ( C ) 2006 , 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 <glib.h>
#include "gtkprinteroptionsetprivate.h"
/*****************************************
* GtkPrinterOptionSet *
*****************************************/
enum {
CHANGED,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0 };
/* ugly side-effect of aliasing */
#undef gtk_printer_option_set
G_DEFINE_TYPE (GtkPrinterOptionSet, gtk_printer_option_set, G_TYPE_OBJECT)
static void
gtk_printer_option_set_finalize (GObject *object)
{
GtkPrinterOptionSet *set = GTK_PRINTER_OPTION_SET (object);
g_hash_table_destroy (set->hash);
g_ptr_array_foreach (set->array, (GFunc)g_object_unref, NULL);
g_ptr_array_free (set->array, TRUE );
G_OBJECT_CLASS (gtk_printer_option_set_parent_class)->finalize (object);
}
static void
gtk_printer_option_set_init (GtkPrinterOptionSet *set)
{
set->array = g_ptr_array_new ();
set->hash = g_hash_table_new (g_str_hash, g_str_equal);
}
static void
gtk_printer_option_set_class_init (GtkPrinterOptionSetClass *class )
{
GObjectClass *gobject_class = (GObjectClass *)class ;
gobject_class->finalize = gtk_printer_option_set_finalize;
signals[CHANGED] =
g_signal_new ("changed" ,
G_TYPE_FROM_CLASS (gobject_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GtkPrinterOptionSetClass, changed),
NULL, NULL,
NULL,
G_TYPE_NONE, 0 );
}
static void
emit_changed (GtkPrinterOptionSet *set)
{
g_signal_emit (set, signals[CHANGED], 0 );
}
GtkPrinterOptionSet *
gtk_printer_option_set_new (void )
{
return g_object_new (GTK_TYPE_PRINTER_OPTION_SET, NULL);
}
void
gtk_printer_option_set_remove (GtkPrinterOptionSet *set,
GtkPrinterOption *option)
{
int i;
for (i = 0 ; i < set->array->len; i++)
{
if (g_ptr_array_index (set->array, i) == option)
{
g_ptr_array_remove_index (set->array, i);
g_hash_table_remove (set->hash, option->name);
g_signal_handlers_disconnect_by_func (option, emit_changed, set);
g_object_unref (option);
break ;
}
}
}
void
gtk_printer_option_set_add (GtkPrinterOptionSet *set,
GtkPrinterOption *option)
{
g_object_ref (option);
if (gtk_printer_option_set_lookup (set, option->name))
gtk_printer_option_set_remove (set, option);
g_ptr_array_add (set->array, option);
g_hash_table_insert (set->hash, option->name, option);
g_signal_connect_object (option, "changed" , G_CALLBACK (emit_changed), set, G_CONNECT_SWAPPED);
}
GtkPrinterOption *
gtk_printer_option_set_lookup (GtkPrinterOptionSet *set,
const char *name)
{
gpointer ptr;
ptr = g_hash_table_lookup (set->hash, name);
return GTK_PRINTER_OPTION (ptr);
}
void
gtk_printer_option_set_clear_conflicts (GtkPrinterOptionSet *set)
{
gtk_printer_option_set_foreach (set,
(GtkPrinterOptionSetFunc)gtk_printer_option_clear_has_conflict,
NULL);
}
/**
* gtk_printer_option_set_get_groups :
* @ set : a ` GtkPrinterOptionSet `
*
* Gets the groups in this set .
*
* Returns : ( element - type utf8 ) ( transfer full ) : a list of group names .
*/
GList *
gtk_printer_option_set_get_groups (GtkPrinterOptionSet *set)
{
GtkPrinterOption *option;
GList *list = NULL;
int i;
for (i = 0 ; i < set->array->len; i++)
{
option = g_ptr_array_index (set->array, i);
if (g_list_find_custom (list, option->group, (GCompareFunc)g_strcmp0) == NULL)
list = g_list_prepend (list, g_strdup (option->group));
}
return g_list_reverse (list);
}
void
gtk_printer_option_set_foreach_in_group (GtkPrinterOptionSet *set,
const char *group,
GtkPrinterOptionSetFunc func,
gpointer user_data)
{
GtkPrinterOption *option;
int i;
for (i = 0 ; i < set->array->len; i++)
{
option = g_ptr_array_index (set->array, i);
if (group == NULL || g_strcmp0 (group, option->group) == 0 )
func (option, user_data);
}
}
void
gtk_printer_option_set_foreach (GtkPrinterOptionSet *set,
GtkPrinterOptionSetFunc func,
gpointer user_data)
{
gtk_printer_option_set_foreach_in_group (set, NULL, func, user_data);
}
Messung V0.5 in Prozent C=98 H=90 G=94
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-07-10)
¤
*© Formatika GbR, Deutschland