gtk2/gtk/gtkprinteroption.c
2012-02-27 17:06:11 +00:00

295 lines
7.5 KiB
C

/* 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <string.h>
#include <gmodule.h>
#include "gtkintl.h"
#include "gtkprivate.h"
#include "gtkprinteroption.h"
/*****************************************
* GtkPrinterOption *
*****************************************/
enum {
CHANGED,
LAST_SIGNAL
};
enum {
PROP_0,
PROP_VALUE
};
static guint signals[LAST_SIGNAL] = { 0 };
static void gtk_printer_option_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec);
static void gtk_printer_option_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec);
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;
gobject_class->set_property = gtk_printer_option_set_property;
gobject_class->get_property = gtk_printer_option_get_property;
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);
g_object_class_install_property (G_OBJECT_CLASS (class),
PROP_VALUE,
g_param_spec_string ("value",
P_("Option Value"),
P_("Value of the option"),
"",
GTK_PARAM_READWRITE));
}
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
gtk_printer_option_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GtkPrinterOption *option = GTK_PRINTER_OPTION (object);
switch (prop_id)
{
case PROP_VALUE:
gtk_printer_option_set (option, g_value_get_string (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gtk_printer_option_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GtkPrinterOption *option = GTK_PRINTER_OPTION (object);
switch (prop_id)
{
case PROP_VALUE:
g_value_set_string (value, option->value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
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))
{
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;
}