gtkprinteroptionset.c 4.82 KB
Newer Older
Cody Russell's avatar
Cody Russell committed
1
/* GTK - The GIMP Toolkit
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145
 * gtkprintbackend.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, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

#include "config.h"
#include <string.h>
#include <glib.h>
#include <gmodule.h>

#include "gtkprinteroptionset.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,
		  g_cclosure_marshal_VOID__VOID,
		  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);
}

146 147 148 149 150
/**
 * gtk_printer_option_set_get_groups:
 *
 * Return value: (element-type utf8) (transfer full):
 */
151 152 153 154 155 156 157 158 159 160 161
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);

162
      if (g_list_find_custom (list, option->group, (GCompareFunc)g_strcmp0) == NULL)
163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181
	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);

Javier Jardón's avatar
Javier Jardón committed
182
      if (group == NULL || g_strcmp0 (group, option->group) == 0)
183 184 185 186 187 188 189 190 191 192 193
	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);
}