91190ce281
GtkPrintOperation is now able to render multiple pages per sheet by its own. The most important changes are in these functions: * increment_page_sequence * prepare_data * common_render_page * print_pages_idle Patch also changes set of choices for 2 pages per sheet mode when landscape orientation is used to "Top to bottom" and "Bottom to top".
691 lines
17 KiB
C
691 lines
17 KiB
C
/* GtkPrintJob
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* Copyright (C) 2006 John (J5) Palmieri <johnp@redhat.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <fcntl.h>
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#include <errno.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <glib/gstdio.h>
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#include "gtkintl.h"
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#include "gtkprivate.h"
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#include "gtkprintjob.h"
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#include "gtkprinter.h"
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#include "gtkprinter-private.h"
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#include "gtkprintbackend.h"
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#include "gtkalias.h"
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#ifndef O_BINARY
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#define O_BINARY 0
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#endif
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struct _GtkPrintJobPrivate
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{
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gchar *title;
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GIOChannel *spool_io;
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cairo_surface_t *surface;
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GtkPrintStatus status;
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GtkPrintBackend *backend;
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GtkPrinter *printer;
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GtkPrintSettings *settings;
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GtkPageSetup *page_setup;
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guint printer_set : 1;
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guint page_setup_set : 1;
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guint settings_set : 1;
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guint track_print_status : 1;
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};
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#define GTK_PRINT_JOB_GET_PRIVATE(o) \
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(G_TYPE_INSTANCE_GET_PRIVATE ((o), GTK_TYPE_PRINT_JOB, GtkPrintJobPrivate))
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static void gtk_print_job_finalize (GObject *object);
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static void gtk_print_job_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec);
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static void gtk_print_job_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec);
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static GObject* gtk_print_job_constructor (GType type,
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guint n_construct_properties,
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GObjectConstructParam *construct_params);
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enum {
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STATUS_CHANGED,
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LAST_SIGNAL
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};
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enum {
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PROP_0,
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PROP_TITLE,
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PROP_PRINTER,
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PROP_PAGE_SETUP,
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PROP_SETTINGS,
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PROP_TRACK_PRINT_STATUS
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};
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static guint signals[LAST_SIGNAL] = { 0 };
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G_DEFINE_TYPE (GtkPrintJob, gtk_print_job, G_TYPE_OBJECT)
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static void
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gtk_print_job_class_init (GtkPrintJobClass *class)
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{
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GObjectClass *object_class;
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object_class = (GObjectClass *) class;
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object_class->finalize = gtk_print_job_finalize;
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object_class->constructor = gtk_print_job_constructor;
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object_class->set_property = gtk_print_job_set_property;
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object_class->get_property = gtk_print_job_get_property;
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g_type_class_add_private (class, sizeof (GtkPrintJobPrivate));
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g_object_class_install_property (object_class,
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PROP_TITLE,
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g_param_spec_string ("title",
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P_("Title"),
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P_("Title of the print job"),
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NULL,
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GTK_PARAM_READWRITE |
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G_PARAM_CONSTRUCT_ONLY));
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g_object_class_install_property (object_class,
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PROP_PRINTER,
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g_param_spec_object ("printer",
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P_("Printer"),
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P_("Printer to print the job to"),
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GTK_TYPE_PRINTER,
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GTK_PARAM_READWRITE |
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G_PARAM_CONSTRUCT_ONLY));
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g_object_class_install_property (object_class,
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PROP_SETTINGS,
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g_param_spec_object ("settings",
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P_("Settings"),
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P_("Printer settings"),
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GTK_TYPE_PRINT_SETTINGS,
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GTK_PARAM_READWRITE |
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G_PARAM_CONSTRUCT_ONLY));
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g_object_class_install_property (object_class,
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PROP_PAGE_SETUP,
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g_param_spec_object ("page-setup",
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P_("Page Setup"),
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P_("Page Setup"),
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GTK_TYPE_PAGE_SETUP,
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GTK_PARAM_READWRITE |
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G_PARAM_CONSTRUCT_ONLY));
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g_object_class_install_property (object_class,
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PROP_TRACK_PRINT_STATUS,
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g_param_spec_boolean ("track-print-status",
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P_("Track Print Status"),
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P_("TRUE if the print job will continue to emit "
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"status-changed signals after the print data "
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"has been sent to the printer or print server."),
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FALSE,
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GTK_PARAM_READWRITE));
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/**
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* GtkPrintJob::status-changed:
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* @job: the #GtkPrintJob object on which the signal was emitted
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*
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* Gets emitted when the status of a job changes. The signal handler
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* can use gtk_print_job_get_status() to obtain the new status.
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*
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* Since: 2.10
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*/
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signals[STATUS_CHANGED] =
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g_signal_new (I_("status-changed"),
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G_TYPE_FROM_CLASS (class),
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GtkPrintJobClass, status_changed),
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NULL, NULL,
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g_cclosure_marshal_VOID__VOID,
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G_TYPE_NONE, 0);
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}
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static void
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gtk_print_job_init (GtkPrintJob *job)
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{
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GtkPrintJobPrivate *priv;
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priv = job->priv = GTK_PRINT_JOB_GET_PRIVATE (job);
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priv->spool_io = NULL;
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priv->title = g_strdup ("");
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priv->surface = NULL;
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priv->backend = NULL;
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priv->printer = NULL;
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priv->printer_set = FALSE;
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priv->settings_set = FALSE;
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priv->page_setup_set = FALSE;
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priv->status = GTK_PRINT_STATUS_INITIAL;
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priv->track_print_status = FALSE;
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job->print_pages = GTK_PRINT_PAGES_ALL;
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job->page_ranges = NULL;
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job->num_page_ranges = 0;
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job->collate = FALSE;
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job->reverse = FALSE;
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job->num_copies = 1;
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job->scale = 1.0;
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job->page_set = GTK_PAGE_SET_ALL;
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job->rotate_to_orientation = FALSE;
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job->number_up = 1;
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job->number_up_layout = GTK_NUMBER_UP_LAYOUT_LEFT_TO_RIGHT_TOP_TO_BOTTOM;
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}
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static GObject*
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gtk_print_job_constructor (GType type,
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guint n_construct_properties,
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GObjectConstructParam *construct_params)
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{
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GtkPrintJob *job;
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GtkPrintJobPrivate *priv;
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GObject *object;
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object =
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G_OBJECT_CLASS (gtk_print_job_parent_class)->constructor (type,
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n_construct_properties,
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construct_params);
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job = GTK_PRINT_JOB (object);
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priv = job->priv;
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g_assert (priv->printer_set &&
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priv->settings_set &&
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priv->page_setup_set);
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_gtk_printer_prepare_for_print (priv->printer,
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job,
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priv->settings,
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priv->page_setup);
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return object;
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}
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static void
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gtk_print_job_finalize (GObject *object)
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{
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GtkPrintJob *job = GTK_PRINT_JOB (object);
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GtkPrintJobPrivate *priv = job->priv;
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if (priv->spool_io != NULL)
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{
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g_io_channel_unref (priv->spool_io);
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priv->spool_io = NULL;
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}
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if (priv->backend)
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g_object_unref (priv->backend);
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if (priv->printer)
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g_object_unref (priv->printer);
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if (priv->surface)
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cairo_surface_destroy (priv->surface);
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if (priv->settings)
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g_object_unref (priv->settings);
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if (priv->page_setup)
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g_object_unref (priv->page_setup);
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g_free (job->page_ranges);
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job->page_ranges = NULL;
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g_free (priv->title);
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priv->title = NULL;
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G_OBJECT_CLASS (gtk_print_job_parent_class)->finalize (object);
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}
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/**
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* gtk_print_job_new:
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* @title: the job title
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* @printer: a #GtkPrinter
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* @settings: a #GtkPrintSettings
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* @page_setup: a #GtkPageSetup
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*
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* Creates a new #GtkPrintJob.
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*
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* Return value: a new #GtkPrintJob
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*
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* Since: 2.10
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**/
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GtkPrintJob *
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gtk_print_job_new (const gchar *title,
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GtkPrinter *printer,
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GtkPrintSettings *settings,
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GtkPageSetup *page_setup)
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{
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GObject *result;
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result = g_object_new (GTK_TYPE_PRINT_JOB,
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"title", title,
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"printer", printer,
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"settings", settings,
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"page-setup", page_setup,
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NULL);
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return (GtkPrintJob *) result;
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}
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/**
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* gtk_print_job_get_settings:
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* @job: a #GtkPrintJob
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*
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* Gets the #GtkPrintSettings of the print job.
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*
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* Return value: the settings of @job
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*
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* Since: 2.10
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*/
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GtkPrintSettings *
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gtk_print_job_get_settings (GtkPrintJob *job)
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{
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g_return_val_if_fail (GTK_IS_PRINT_JOB (job), NULL);
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return job->priv->settings;
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}
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/**
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* gtk_print_job_get_printer:
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* @job: a #GtkPrintJob
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*
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* Gets the #GtkPrinter of the print job.
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*
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* Return value: the printer of @job
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*
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* Since: 2.10
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*/
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GtkPrinter *
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gtk_print_job_get_printer (GtkPrintJob *job)
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{
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g_return_val_if_fail (GTK_IS_PRINT_JOB (job), NULL);
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return job->priv->printer;
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}
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/**
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* gtk_print_job_get_title:
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* @job: a #GtkPrintJob
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*
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* Gets the job title.
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*
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* Return value: the title of @job
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*
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* Since: 2.10
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*/
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G_CONST_RETURN gchar *
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gtk_print_job_get_title (GtkPrintJob *job)
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{
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g_return_val_if_fail (GTK_IS_PRINT_JOB (job), NULL);
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return job->priv->title;
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}
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/**
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* gtk_print_job_get_status:
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* @job: a #GtkPrintJob
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*
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* Gets the status of the print job.
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*
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* Return value: the status of @job
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*
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* Since: 2.10
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*/
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GtkPrintStatus
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gtk_print_job_get_status (GtkPrintJob *job)
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{
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g_return_val_if_fail (GTK_IS_PRINT_JOB (job), GTK_PRINT_STATUS_FINISHED);
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return job->priv->status;
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}
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void
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gtk_print_job_set_status (GtkPrintJob *job,
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GtkPrintStatus status)
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{
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GtkPrintJobPrivate *priv;
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g_return_if_fail (GTK_IS_PRINT_JOB (job));
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priv = job->priv;
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if (priv->status == status)
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return;
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priv->status = status;
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g_signal_emit (job, signals[STATUS_CHANGED], 0);
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}
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/**
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* gtk_print_job_set_source_file:
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* @job: a #GtkPrintJob
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* @filename: the file to be printed
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* @error: return location for errors
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*
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* Make the #GtkPrintJob send an existing document to the
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* printing system. The file can be in any format understood
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* by the platforms printing system (typically PostScript,
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* but on many platforms PDF may work too). See
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* gtk_printer_accepts_pdf() and gtk_printer_accepts_ps().
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*
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* Returns: %FALSE if an error occurred
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*
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* Since: 2.10
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**/
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gboolean
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gtk_print_job_set_source_file (GtkPrintJob *job,
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const gchar *filename,
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GError **error)
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{
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GtkPrintJobPrivate *priv;
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GError *tmp_error;
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tmp_error = NULL;
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g_return_val_if_fail (GTK_IS_PRINT_JOB (job), FALSE);
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priv = job->priv;
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priv->spool_io = g_io_channel_new_file (filename, "r", &tmp_error);
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if (tmp_error == NULL)
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g_io_channel_set_encoding (priv->spool_io, NULL, &tmp_error);
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if (tmp_error != NULL)
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{
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g_propagate_error (error, tmp_error);
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return FALSE;
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}
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return TRUE;
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}
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/**
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* gtk_print_job_get_surface:
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* @job: a #GtkPrintJob
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* @error: return location for errors, or %NULL
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*
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* Gets a cairo surface onto which the pages of
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* the print job should be rendered.
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*
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* Return value: the cairo surface of @job
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*
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* Since: 2.10
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**/
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cairo_surface_t *
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gtk_print_job_get_surface (GtkPrintJob *job,
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GError **error)
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{
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GtkPrintJobPrivate *priv;
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gchar *filename;
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gdouble width, height;
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GtkPaperSize *paper_size;
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int fd;
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GError *tmp_error;
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tmp_error = NULL;
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g_return_val_if_fail (GTK_IS_PRINT_JOB (job), NULL);
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priv = job->priv;
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if (priv->surface)
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return priv->surface;
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g_return_val_if_fail (priv->spool_io == NULL, NULL);
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fd = g_file_open_tmp ("gtkprint_XXXXXX",
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&filename,
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&tmp_error);
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if (fd == -1)
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{
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g_free (filename);
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g_propagate_error (error, tmp_error);
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return NULL;
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}
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fchmod (fd, S_IRUSR | S_IWUSR);
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#ifdef G_ENABLE_DEBUG
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/* If we are debugging printing don't delete the tmp files */
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if (!(gtk_debug_flags & GTK_DEBUG_PRINTING))
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#endif /* G_ENABLE_DEBUG */
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g_unlink (filename);
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g_free (filename);
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paper_size = gtk_page_setup_get_paper_size (priv->page_setup);
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width = gtk_paper_size_get_width (paper_size, GTK_UNIT_POINTS);
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height = gtk_paper_size_get_height (paper_size, GTK_UNIT_POINTS);
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priv->spool_io = g_io_channel_unix_new (fd);
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g_io_channel_set_close_on_unref (priv->spool_io, TRUE);
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g_io_channel_set_encoding (priv->spool_io, NULL, &tmp_error);
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if (tmp_error != NULL)
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{
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g_io_channel_unref (priv->spool_io);
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priv->spool_io = NULL;
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g_propagate_error (error, tmp_error);
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return NULL;
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}
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priv->surface = _gtk_printer_create_cairo_surface (priv->printer,
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priv->settings,
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width, height,
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priv->spool_io);
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return priv->surface;
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}
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/**
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* gtk_print_job_set_track_print_status:
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* @job: a #GtkPrintJob
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* @track_status: %TRUE to track status after printing
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*
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* If track_status is %TRUE, the print job will try to continue report
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* on the status of the print job in the printer queues and printer. This
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* can allow your application to show things like "out of paper" issues,
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* and when the print job actually reaches the printer.
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*
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* This function is often implemented using some form of polling, so it should
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* not be enabled unless needed.
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*
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* Since: 2.10
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*/
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void
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gtk_print_job_set_track_print_status (GtkPrintJob *job,
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gboolean track_status)
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{
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GtkPrintJobPrivate *priv;
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g_return_if_fail (GTK_IS_PRINT_JOB (job));
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priv = job->priv;
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track_status = track_status != FALSE;
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if (priv->track_print_status != track_status)
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{
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priv->track_print_status = track_status;
|
|
|
|
g_object_notify (G_OBJECT (job), "track-print-status");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* gtk_print_job_get_track_print_status:
|
|
* @job: a #GtkPrintJob
|
|
*
|
|
* Returns wheter jobs will be tracked after printing.
|
|
* For details, see gtk_print_job_set_track_print_status().
|
|
*
|
|
* Return value: %TRUE if print job status will be reported after printing
|
|
*
|
|
* Since: 2.10
|
|
*/
|
|
gboolean
|
|
gtk_print_job_get_track_print_status (GtkPrintJob *job)
|
|
{
|
|
GtkPrintJobPrivate *priv;
|
|
|
|
g_return_val_if_fail (GTK_IS_PRINT_JOB (job), FALSE);
|
|
|
|
priv = job->priv;
|
|
|
|
return priv->track_print_status;
|
|
}
|
|
|
|
static void
|
|
gtk_print_job_set_property (GObject *object,
|
|
guint prop_id,
|
|
const GValue *value,
|
|
GParamSpec *pspec)
|
|
|
|
{
|
|
GtkPrintJob *job = GTK_PRINT_JOB (object);
|
|
GtkPrintJobPrivate *priv = job->priv;
|
|
GtkPrintSettings *settings;
|
|
|
|
switch (prop_id)
|
|
{
|
|
case PROP_TITLE:
|
|
g_free (priv->title);
|
|
priv->title = g_value_dup_string (value);
|
|
break;
|
|
|
|
case PROP_PRINTER:
|
|
priv->printer = GTK_PRINTER (g_value_dup_object (value));
|
|
priv->printer_set = TRUE;
|
|
priv->backend = g_object_ref (gtk_printer_get_backend (priv->printer));
|
|
break;
|
|
|
|
case PROP_PAGE_SETUP:
|
|
priv->page_setup = GTK_PAGE_SETUP (g_value_dup_object (value));
|
|
priv->page_setup_set = TRUE;
|
|
break;
|
|
|
|
case PROP_SETTINGS:
|
|
/* We save a copy of the settings since we modify
|
|
* if when preparing the printer job. */
|
|
settings = GTK_PRINT_SETTINGS (g_value_get_object (value));
|
|
priv->settings = gtk_print_settings_copy (settings);
|
|
priv->settings_set = TRUE;
|
|
break;
|
|
|
|
case PROP_TRACK_PRINT_STATUS:
|
|
gtk_print_job_set_track_print_status (job, g_value_get_boolean (value));
|
|
break;
|
|
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_print_job_get_property (GObject *object,
|
|
guint prop_id,
|
|
GValue *value,
|
|
GParamSpec *pspec)
|
|
{
|
|
GtkPrintJob *job = GTK_PRINT_JOB (object);
|
|
GtkPrintJobPrivate *priv = job->priv;
|
|
|
|
switch (prop_id)
|
|
{
|
|
case PROP_TITLE:
|
|
g_value_set_string (value, priv->title);
|
|
break;
|
|
case PROP_PRINTER:
|
|
g_value_set_object (value, priv->printer);
|
|
break;
|
|
case PROP_SETTINGS:
|
|
g_value_set_object (value, priv->settings);
|
|
break;
|
|
case PROP_PAGE_SETUP:
|
|
g_value_set_object (value, priv->page_setup);
|
|
break;
|
|
case PROP_TRACK_PRINT_STATUS:
|
|
g_value_set_boolean (value, priv->track_print_status);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* gtk_print_job_send:
|
|
* @job: a GtkPrintJob
|
|
* @callback: function to call when the job completes or an error occurs
|
|
* @user_data: user data that gets passed to @callback
|
|
* @dnotify: destroy notify for @user_data
|
|
*
|
|
* Sends the print job off to the printer.
|
|
*
|
|
* Since: 2.10
|
|
**/
|
|
void
|
|
gtk_print_job_send (GtkPrintJob *job,
|
|
GtkPrintJobCompleteFunc callback,
|
|
gpointer user_data,
|
|
GDestroyNotify dnotify)
|
|
{
|
|
GtkPrintJobPrivate *priv;
|
|
|
|
g_return_if_fail (GTK_IS_PRINT_JOB (job));
|
|
|
|
priv = job->priv;
|
|
g_return_if_fail (priv->spool_io != NULL);
|
|
|
|
gtk_print_job_set_status (job, GTK_PRINT_STATUS_SENDING_DATA);
|
|
|
|
g_io_channel_seek_position (priv->spool_io, 0, G_SEEK_SET, NULL);
|
|
|
|
gtk_print_backend_print_stream (priv->backend, job,
|
|
priv->spool_io,
|
|
callback, user_data, dnotify);
|
|
}
|
|
|
|
|
|
#define __GTK_PRINT_JOB_C__
|
|
#include "gtkaliasdef.c"
|