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/*
* This program 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) version 3.
*
* This program 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 the program; if not, see <http://www.gnu.org/licenses/>
*
*
* Authors:
* Chris Lahey <clahey@ximian.com>
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <gtk/gtk.h>
#include "e-util/e-util.h"
#include "e-printable.h"
#define EP_CLASS(e) ((EPrintableClass *)((GObject *)e)->klass)
G_DEFINE_TYPE (
EPrintable,
e_printable,
G_TYPE_INITIALLY_UNOWNED)
enum {
PRINT_PAGE,
DATA_LEFT,
RESET,
HEIGHT,
WILL_FIT,
LAST_SIGNAL
};
static guint e_printable_signals[LAST_SIGNAL] = { 0, };
static void
e_printable_class_init (EPrintableClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
e_printable_signals[PRINT_PAGE] =
g_signal_new ("print_page",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (EPrintableClass, print_page),
NULL, NULL,
e_marshal_NONE__OBJECT_DOUBLE_DOUBLE_BOOLEAN,
G_TYPE_NONE, 4, G_TYPE_OBJECT, G_TYPE_DOUBLE,
G_TYPE_DOUBLE, G_TYPE_BOOLEAN);
e_printable_signals[DATA_LEFT] =
g_signal_new ("data_left",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (EPrintableClass, data_left),
NULL, NULL,
e_marshal_BOOLEAN__NONE,
G_TYPE_BOOLEAN, 0, G_TYPE_NONE);
e_printable_signals[RESET] =
g_signal_new ("reset",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (EPrintableClass, reset),
NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0, G_TYPE_NONE);
e_printable_signals[HEIGHT] =
g_signal_new ("height",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (EPrintableClass, height),
NULL, NULL,
e_marshal_DOUBLE__OBJECT_DOUBLE_DOUBLE_BOOLEAN,
G_TYPE_DOUBLE, 4, G_TYPE_OBJECT, G_TYPE_DOUBLE,
G_TYPE_DOUBLE, G_TYPE_BOOLEAN);
e_printable_signals[WILL_FIT] =
g_signal_new ("will_fit",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (EPrintableClass, will_fit),
NULL, NULL,
e_marshal_BOOLEAN__OBJECT_DOUBLE_DOUBLE_BOOLEAN,
G_TYPE_BOOLEAN, 4, G_TYPE_OBJECT, G_TYPE_DOUBLE,
G_TYPE_DOUBLE, G_TYPE_BOOLEAN);
klass->print_page = NULL;
klass->data_left = NULL;
klass->reset = NULL;
klass->height = NULL;
klass->will_fit = NULL;
}
static void
e_printable_init (EPrintable *e_printable)
{
/* nothing to do */
}
EPrintable *
e_printable_new (void)
{
return E_PRINTABLE (g_object_new (E_PRINTABLE_TYPE, NULL));
}
void
e_printable_print_page (EPrintable *e_printable,
GtkPrintContext *context,
gdouble width,
gdouble height,
gboolean quantized)
{
g_return_if_fail (e_printable != NULL);
g_return_if_fail (E_IS_PRINTABLE (e_printable));
g_signal_emit (e_printable,
e_printable_signals[PRINT_PAGE], 0,
context,
width,
height,
quantized);
}
gboolean
e_printable_data_left (EPrintable *e_printable)
{
gboolean ret_val;
g_return_val_if_fail (e_printable != NULL, FALSE);
g_return_val_if_fail (E_IS_PRINTABLE (e_printable), FALSE);
g_signal_emit (e_printable,
e_printable_signals[DATA_LEFT], 0,
&ret_val);
return ret_val;
}
void
e_printable_reset (EPrintable *e_printable)
{
g_return_if_fail (e_printable != NULL);
g_return_if_fail (E_IS_PRINTABLE (e_printable));
g_signal_emit (e_printable,
e_printable_signals[RESET], 0);
}
gdouble
e_printable_height (EPrintable *e_printable,
GtkPrintContext *context,
gdouble width,
gdouble max_height,
gboolean quantized)
{
gdouble ret_val;
g_return_val_if_fail (e_printable != NULL, -1);
g_return_val_if_fail (E_IS_PRINTABLE (e_printable), -1);
g_signal_emit (e_printable,
e_printable_signals[HEIGHT], 0,
context,
width,
max_height,
quantized,
&ret_val);
return ret_val;
}
gboolean
e_printable_will_fit (EPrintable *e_printable,
GtkPrintContext *context,
gdouble width,
gdouble max_height,
gboolean quantized)
{
gboolean ret_val;
g_return_val_if_fail (e_printable != NULL, FALSE);
g_return_val_if_fail (E_IS_PRINTABLE (e_printable), FALSE);
g_signal_emit (e_printable,
e_printable_signals[WILL_FIT], 0,
context,
width,
max_height,
quantized,
&ret_val);
return ret_val;
}
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