/* GTK - The GIMP Toolkit

 * gtkprinteroption.c: Handling possible settings for a specific printer setting

 * 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 <gmodule.h>

#include "gtkprinteroption.h"

#include "gtkalias.h"

/*****************************************

 *            GtkPrinterOption           *

 *****************************************/

enum {

  CHANGED,

  LAST_SIGNAL

};

static guint signals[LAST_SIGNAL] = { 0 };

G_DEFINE_TYPE (GtkPrinterOption, gtk_printer_option, G_TYPE_OBJECT)

static void

gtk_printer_option_finalize (GObject *object)

{

  GtkPrinterOption *option = GTK_PRINTER_OPTION (object);

  int i;

  g_free (option->name);

  g_free (option->display_text);

  g_free (option->value);

  for (i = 0; i < option->num_choices; i++)

    {

      g_free (option->choices[i]);

      g_free (option->choices_display[i]);

    }

  g_free (option->choices);

  g_free (option->choices_display);

  g_free (option->group);

  G_OBJECT_CLASS (gtk_printer_option_parent_class)->finalize (object);

}

static void

gtk_printer_option_init (GtkPrinterOption *option)

{

  option->value = g_strdup ("");

  option->activates_default = FALSE;

}

static void

gtk_printer_option_class_init (GtkPrinterOptionClass *class)

{

  GObjectClass *gobject_class = (GObjectClass *)class;

  gobject_class->finalize = gtk_printer_option_finalize;

  signals[CHANGED] =

    g_signal_new ("changed",

		  G_TYPE_FROM_CLASS (class),

		  G_SIGNAL_RUN_LAST,

		  G_STRUCT_OFFSET (GtkPrinterOptionClass, changed),

		  NULL, NULL,

		  g_cclosure_marshal_VOID__VOID,

		  G_TYPE_NONE, 0);

}

GtkPrinterOption *

gtk_printer_option_new (const char *name, const char *display_text,

			GtkPrinterOptionType type)

{

  GtkPrinterOption *option;

  option = g_object_new (GTK_TYPE_PRINTER_OPTION, NULL);

  option->name = g_strdup (name);

  option->display_text = g_strdup (display_text);

  option->type = type;

  return option;

}

static void

emit_changed (GtkPrinterOption *option)

{

  g_signal_emit (option, signals[CHANGED], 0);

}

void

gtk_printer_option_set (GtkPrinterOption *option,

			const char *value)

{

  if (value == NULL)

    value = "";

  if (strcmp (option->value, value) == 0)

    return;

  if ((option->type == GTK_PRINTER_OPTION_TYPE_PICKONE ||

       option->type == GTK_PRINTER_OPTION_TYPE_ALTERNATIVE) &&

      value != NULL)

    {

      int i;

      for (i = 0; i < option->num_choices; i++)

	{

	  if (g_ascii_strcasecmp (value, option->choices[i]) == 0)

	    {

	      value = option->choices[i];

	      break;

	    }

	}

      if (i == option->num_choices)

	return; /* Not found in available choices */

    }

  g_free (option->value);

  option->value = g_strdup (value);

  emit_changed (option);

}

void

gtk_printer_option_set_boolean (GtkPrinterOption *option,

				gboolean value)

{

  gtk_printer_option_set (option, value ? "True" : "False");

}

void

gtk_printer_option_set_has_conflict  (GtkPrinterOption *option,

				      gboolean  has_conflict)

{

  has_conflict = has_conflict != 0;

  if (option->has_conflict == has_conflict)

    return;

  option->has_conflict = has_conflict;

  emit_changed (option);

}

void

gtk_printer_option_clear_has_conflict (GtkPrinterOption     *option)

{

  gtk_printer_option_set_has_conflict  (option, FALSE);

}

void

gtk_printer_option_allocate_choices (GtkPrinterOption     *option,

				     int num)

{

  g_free (option->choices);

  g_free (option->choices_display);

  option->num_choices = num;

  if (num == 0)

    {

      option->choices = NULL;

      option->choices_display = NULL;

    }

  else

    {

      option->choices = g_new0 (char *, num);

      option->choices_display = g_new0 (char *, num);

    }

}

void

gtk_printer_option_choices_from_array (GtkPrinterOption   *option,

				       int                 num_choices,

				       char               *choices[],

				       char              *choices_display[])

{

  int i;

  gtk_printer_option_allocate_choices (option, num_choices);

  for (i = 0; i < num_choices; i++)

    {

      option->choices[i] = g_strdup (choices[i]);

      option->choices_display[i] = g_strdup (choices_display[i]);

    }

}

gboolean

gtk_printer_option_has_choice (GtkPrinterOption     *option,

			       const char           *choice)

{

  int i;

  for (i = 0; i < option->num_choices; i++)

    {

      if (strcmp (option->choices[i], choice) == 0)

	return TRUE;

    }

  return FALSE;

}

void

gtk_printer_option_set_activates_default (GtkPrinterOption *option,

					  gboolean          activates)

{

  g_return_if_fail (GTK_IS_PRINTER_OPTION (option));

  option->activates_default = activates;

}

gboolean

gtk_printer_option_get_activates_default (GtkPrinterOption *option)

{

  g_return_val_if_fail (GTK_IS_PRINTER_OPTION (option), FALSE);

  return option->activates_default;

}

#define __GTK_PRINTER_OPTION_C__

#include "gtkaliasdef.c"