forked from AuroraMiddleware/gtk
061f252873
2006-05-02 Christian Persch <chpe@cvs.gnome.org> * gtk/gtkpagesetupunixdialog.c: * gtk/gtkprintcontext.c: * gtk/gtkprinter.c: * gtk/gtkprinteroptionwidget.c: * gtk/gtkprintjob.c: * gtk/gtkprintoperation-unix.c: * gtk/gtkprintoperation.c: * gtk/gtkprintunixdialog.c: Use a priv variable when accessing priv multiple times in the same function. Bug #340288.
1400 lines
38 KiB
C
1400 lines
38 KiB
C
/* GTK - The GIMP Toolkit
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* gtkprintoperation.c: Print Operation
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* Copyright (C) 2006, Red Hat, Inc.
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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 "string.h"
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#include "gtkprintoperation-private.h"
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#include "gtkmarshalers.h"
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#include <cairo-pdf.h>
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#include "gtkintl.h"
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#include "gtkprivate.h"
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#include "gtkalias.h"
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#define GTK_PRINT_OPERATION_GET_PRIVATE(obj)(G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_PRINT_OPERATION, GtkPrintOperationPrivate))
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enum {
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BEGIN_PRINT,
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REQUEST_PAGE_SETUP,
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DRAW_PAGE,
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END_PRINT,
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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_DEFAULT_PAGE_SETUP,
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PROP_PRINT_SETTINGS,
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PROP_JOB_NAME,
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PROP_NR_OF_PAGES,
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PROP_CURRENT_PAGE,
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PROP_USE_FULL_PAGE,
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PROP_UNIT,
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PROP_SHOW_DIALOG,
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PROP_PDF_TARGET,
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PROP_STATUS,
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PROP_STATUS_STRING
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};
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static guint signals[LAST_SIGNAL] = { 0 };
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static int job_nr = 0;
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G_DEFINE_TYPE (GtkPrintOperation, gtk_print_operation, G_TYPE_OBJECT)
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/**
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* gtk_print_error_quark:
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*
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* Registers an error quark for #GtkPrintOperation if necessary.
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*
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* Return value: The error quark used for #GtkPrintOperation errors.
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*
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* Since: 2.10
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**/
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GQuark
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gtk_print_error_quark (void)
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{
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static GQuark quark = 0;
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if (quark == 0)
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quark = g_quark_from_static_string ("gtk-print-error-quark");
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return quark;
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}
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static void
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gtk_print_operation_finalize (GObject *object)
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{
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GtkPrintOperation *print_operation = GTK_PRINT_OPERATION (object);
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GtkPrintOperationPrivate *priv = print_operation->priv;
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if (priv->free_platform_data &&
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priv->platform_data)
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{
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priv->free_platform_data (priv->platform_data);
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priv->free_platform_data = NULL;
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}
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if (priv->default_page_setup)
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g_object_unref (priv->default_page_setup);
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if (priv->print_settings)
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g_object_unref (priv->print_settings);
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g_free (priv->pdf_target);
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g_free (priv->job_name);
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G_OBJECT_CLASS (gtk_print_operation_parent_class)->finalize (object);
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}
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static void
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gtk_print_operation_init (GtkPrintOperation *operation)
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{
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GtkPrintOperationPrivate *priv;
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const char *appname;
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priv = operation->priv = GTK_PRINT_OPERATION_GET_PRIVATE (operation);
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priv->status = GTK_PRINT_STATUS_INITIAL;
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priv->status_string = g_strdup ("");
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priv->default_page_setup = NULL;
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priv->print_settings = NULL;
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priv->nr_of_pages = -1;
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priv->current_page = -1;
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priv->use_full_page = FALSE;
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priv->show_dialog = TRUE;
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priv->pdf_target = NULL;
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priv->unit = GTK_UNIT_PIXEL;
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appname = g_get_application_name ();
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priv->job_name = g_strdup_printf ("%s job #%d", appname, ++job_nr);
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}
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static void
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gtk_print_operation_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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{
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GtkPrintOperation *op = GTK_PRINT_OPERATION (object);
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switch (prop_id)
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{
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case PROP_DEFAULT_PAGE_SETUP:
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gtk_print_operation_set_default_page_setup (op, g_value_get_object (value));
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break;
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case PROP_PRINT_SETTINGS:
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gtk_print_operation_set_print_settings (op, g_value_get_object (value));
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break;
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case PROP_JOB_NAME:
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gtk_print_operation_set_job_name (op, g_value_get_string (value));
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break;
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case PROP_NR_OF_PAGES:
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gtk_print_operation_set_nr_of_pages (op, g_value_get_int (value));
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break;
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case PROP_CURRENT_PAGE:
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gtk_print_operation_set_current_page (op, g_value_get_int (value));
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break;
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case PROP_USE_FULL_PAGE:
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gtk_print_operation_set_use_full_page (op, g_value_get_boolean (value));
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break;
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case PROP_UNIT:
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gtk_print_operation_set_unit (op, g_value_get_enum (value));
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break;
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case PROP_SHOW_DIALOG:
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gtk_print_operation_set_show_dialog (op, g_value_get_boolean (value));
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break;
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case PROP_PDF_TARGET:
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gtk_print_operation_set_pdf_target (op, g_value_get_string (value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gtk_print_operation_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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{
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GtkPrintOperation *op = GTK_PRINT_OPERATION (object);
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GtkPrintOperationPrivate *priv = op->priv;
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switch (prop_id)
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{
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case PROP_DEFAULT_PAGE_SETUP:
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g_value_set_object (value, priv->default_page_setup);
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break;
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case PROP_PRINT_SETTINGS:
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g_value_set_object (value, priv->print_settings);
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break;
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case PROP_JOB_NAME:
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g_value_set_string (value, priv->job_name);
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break;
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case PROP_NR_OF_PAGES:
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g_value_set_int (value, priv->nr_of_pages);
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break;
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case PROP_CURRENT_PAGE:
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g_value_set_int (value, priv->current_page);
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break;
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case PROP_USE_FULL_PAGE:
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g_value_set_boolean (value, priv->use_full_page);
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break;
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case PROP_UNIT:
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g_value_set_enum (value, priv->unit);
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break;
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case PROP_SHOW_DIALOG:
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g_value_set_boolean (value, priv->show_dialog);
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break;
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case PROP_PDF_TARGET:
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g_value_set_string (value, priv->pdf_target);
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break;
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case PROP_STATUS:
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g_value_set_enum (value, priv->status);
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break;
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case PROP_STATUS_STRING:
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g_value_set_string (value, priv->status_string);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gtk_print_operation_class_init (GtkPrintOperationClass *class)
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{
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GObjectClass *gobject_class = (GObjectClass *)class;
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gobject_class->set_property = gtk_print_operation_set_property;
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gobject_class->get_property = gtk_print_operation_get_property;
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gobject_class->finalize = gtk_print_operation_finalize;
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g_type_class_add_private (gobject_class, sizeof (GtkPrintOperationPrivate));
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/**
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* GtkPrintOperation::begin-print:
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* @operation: the #GtkPrintOperation on which the signal was emitted
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* @context: the #GtkPrintContext for the current operation
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*
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* Gets emitted after the user has finished changing print settings
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* in the dialog, before the actual rendering starts.
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*
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* A typical use for this signal is to use the parameters from the
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* #GtkPrintContext and paginate the document accordingly, and then
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* set the number of pages with gtk_print_operation_set_nr_of_pages().
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*
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* Since: 2.10
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*/
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signals[BEGIN_PRINT] =
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g_signal_new ("begin_print",
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G_TYPE_FROM_CLASS (gobject_class),
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GtkPrintOperationClass, begin_print),
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NULL, NULL,
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g_cclosure_marshal_VOID__OBJECT,
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G_TYPE_NONE, 1, GTK_TYPE_PRINT_CONTEXT);
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/**
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* GtkPrintOperation::request-page-setup:
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* @operation: the #GtkPrintOperation on which the signal was emitted
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* @context: the #GtkPrintContext for the current operation
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* @page_nr: the number of the currently printed page
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* @setup: the #GtkPageSetup
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*
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* Gets emitted once for every page that is printed, to give
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* the application a chance to modify the page setup. Any changes
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* done to @setup will be in force only for printing this page.
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*
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* Since: 2.10
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*/
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signals[REQUEST_PAGE_SETUP] =
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g_signal_new ("request_page_setup",
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G_TYPE_FROM_CLASS (gobject_class),
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GtkPrintOperationClass, request_page_setup),
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NULL, NULL,
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_gtk_marshal_VOID__OBJECT_INT_OBJECT,
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G_TYPE_NONE, 3,
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GTK_TYPE_PRINT_CONTEXT,
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G_TYPE_INT,
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GTK_TYPE_PAGE_SETUP);
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/**
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* GtkPrintOperation::draw-page:
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* @operation: the #GtkPrintOperation on which the signal was emitted
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* @context: the #GtkPrintContext for the current operation
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* @page_nr: the number of the currently printed page
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*
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* Gets emitted for every page that is printed. The signal handler
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* must render the @page_nr's page onto the cairo context obtained
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* from @context using gtk_print_context_get_cairo().
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*
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* <informalexample><programlisting>
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* FIXME: need an example here
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* </programlisting></informalexample>
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*
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* Use gtk_print_operation_set_use_full_page() and
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* gtk_print_operation_set_unit() before starting the print operation
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* to set up the transformation of the cairo context according to your
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* needs.
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*
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* Since: 2.10
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*/
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signals[DRAW_PAGE] =
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g_signal_new ("draw_page",
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G_TYPE_FROM_CLASS (gobject_class),
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GtkPrintOperationClass, draw_page),
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NULL, NULL,
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_gtk_marshal_VOID__OBJECT_INT,
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G_TYPE_NONE, 2,
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GTK_TYPE_PRINT_CONTEXT,
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G_TYPE_INT);
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/**
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* GtkPrintOperation::end-print:
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* @operation: the #GtkPrintOperation on which the signal was emitted
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* @context: the #GtkPrintContext for the current operation
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*
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* Gets emitted after all pages have been rendered.
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* A handler for this signal can clean up any resources that have
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* been allocated in the ::begin-print handler.
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*
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* Since: 2.10
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*/
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signals[END_PRINT] =
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g_signal_new ("end_print",
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G_TYPE_FROM_CLASS (gobject_class),
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GtkPrintOperationClass, end_print),
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NULL, NULL,
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g_cclosure_marshal_VOID__OBJECT,
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G_TYPE_NONE, 1, GTK_TYPE_PRINT_CONTEXT);
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/**
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* GtkPrintOperation::status-changed:
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* @operation: the #GtkPrintOperation on which the signal was emitted
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*
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* Gets emitted at between the various phases of the print operation.
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* See #GtkPrintStatus for the phases that are being discriminated.
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* Use gtk_print_operation_get_status() to find out the current
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* 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 ("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 (GtkPrintOperationClass, 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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* GtkPrintOperation:default-page-setup:
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*
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* The #GtkPageSetup used by default.
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*
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* This page setup will be used by gtk_print_operation_run(),
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* but it can be overridden on a per-page basis by connecting
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* to the ::request-page-setup signal.
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*
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* Since: 2.10
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*/
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g_object_class_install_property (gobject_class,
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PROP_DEFAULT_PAGE_SETUP,
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g_param_spec_object ("default-page-setup",
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P_("Default Page Setup"),
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P_("The GtkPageSetup used by default"),
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GTK_TYPE_PAGE_SETUP,
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GTK_PARAM_READWRITE));
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/**
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* GtkPrintOperation:print-settings:
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*
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* The #GtkPrintSettings used for initializing the dialog.
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*
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* Setting this property is typically used to re-establish print
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* settings from a previous print operation, see gtk_print_operation_run().
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*
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* Since: 2.10
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*/
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g_object_class_install_property (gobject_class,
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PROP_PRINT_SETTINGS,
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g_param_spec_object ("print-settings",
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P_("Print Settings"),
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P_("The GtkPrintSettings used for initializing the dialog"),
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GTK_TYPE_PRINT_SETTINGS,
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GTK_PARAM_READWRITE));
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/**
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* GtkPrintOperation:job-name:
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*
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* A string used to identify the job (e.g. in monitoring applications like eggcups).
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*
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* If you don't set a job name, GTK+ picks a default one by numbering successive
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* print jobs.
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*
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* Since: 2.10
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*/
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g_object_class_install_property (gobject_class,
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PROP_JOB_NAME,
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g_param_spec_string ("job-name",
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P_("Job Name"),
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P_("A string used for identifying the print job."),
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"",
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GTK_PARAM_READWRITE));
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/**
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* GtkPrintOperation:number-of-pages:
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*
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* The number of pages in the document.
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*
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* This <emphasis>must</emphasis> be set to a positive number
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* before the rendering starts. It may be set in a ::begin-print signal hander.
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*
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* Note that the page numbers passed to the ::request-page-setup and ::draw-page
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* signals are 0-based, i.e. if the user chooses to print all pages, the last
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* ::draw-page signal will be for page @n_pages - 1.
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*
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* Since: 2.10
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*/
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g_object_class_install_property (gobject_class,
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PROP_NR_OF_PAGES,
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g_param_spec_int ("number-of-pages",
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P_("Number of Pages"),
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P_("The number of pages in the document."),
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-1,
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G_MAXINT,
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-1,
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GTK_PARAM_READWRITE));
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/**
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* GtkPrintOperation:current-page:
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*
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* The current page in the document.
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*
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* If this is set before gtk_print_operation_run(),
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* the user will be able to select to print only the current page.
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*
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* Note that this only makes sense for pre-paginated documents.
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*
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* Since: 2.10
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*/
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g_object_class_install_property (gobject_class,
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PROP_CURRENT_PAGE,
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g_param_spec_int ("current-page",
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P_("Current Page"),
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P_("The current page in the document."),
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-1,
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G_MAXINT,
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-1,
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GTK_PARAM_READWRITE));
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|
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/**
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* GtkPrintOperation:use-full-page:
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*
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* If %TRUE, the transformation for the cairo context obtained from
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* #GtkPrintContext puts the origin at the top left corner of the page
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* (which may not be the top left corner of the sheet, depending on page
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* orientation and the number of pages per sheet). Otherwise, the origin
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* is at the top left corner of the imageable area (i.e. inside the margins).
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*
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* Since: 2.10
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*/
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g_object_class_install_property (gobject_class,
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PROP_USE_FULL_PAGE,
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g_param_spec_boolean ("use-full-page",
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P_("Use full page"),
|
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P_("%TRUE if the the origin of the context should be at the corner of the page and not the corner of the imageable area"),
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FALSE,
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GTK_PARAM_READWRITE));
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|
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/**
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* GtkPrintOperation:unit:
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*
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* The transformation for the cairo context obtained from
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* #GtkPrintContext is set up in such a way that distances are measured
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* in units of @unit.
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*
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* Since: 2.10
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*/
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g_object_class_install_property (gobject_class,
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PROP_UNIT,
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g_param_spec_enum ("unit",
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P_("Unit"),
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P_("The unit in which distances can be measured in the context"),
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GTK_TYPE_UNIT,
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GTK_UNIT_PIXEL,
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GTK_PARAM_READWRITE));
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|
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/**
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* GtkPrintOperation:show-dialog:
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*
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* Determines whether calling gtk_print_operation_run() will present
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* a print dialog to the user, or just print to the default printer.
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*
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* Since: 2.10
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*/
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g_object_class_install_property (gobject_class,
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PROP_SHOW_DIALOG,
|
|
g_param_spec_boolean ("show-dialog",
|
|
P_("Show Dialog"),
|
|
P_("%TRUE if gtk_print_operation_run() should show the print dialog."),
|
|
TRUE,
|
|
GTK_PARAM_READWRITE));
|
|
|
|
/**
|
|
* GtkPrintOperation:pdf-target:
|
|
*
|
|
* The name of a PDF file to generate instead of showing the print dialog.
|
|
*
|
|
* The indended use of this property is for implementing "Export to PDF"
|
|
* actions.
|
|
*
|
|
* "Print to PDF" support is independent of this and is done
|
|
* by letting the user pick the "Print to PDF" item from the list
|
|
* of printers in the print dialog.
|
|
*
|
|
* Since: 2.10
|
|
*/
|
|
g_object_class_install_property (gobject_class,
|
|
PROP_JOB_NAME,
|
|
g_param_spec_string ("pdf-target",
|
|
P_("PDF target filename"),
|
|
P_(""),
|
|
NULL,
|
|
GTK_PARAM_READWRITE));
|
|
|
|
/**
|
|
* GtkPrintOperation:status:
|
|
*
|
|
* The status of the print operation.
|
|
*
|
|
* Since: 2.10
|
|
*/
|
|
g_object_class_install_property (gobject_class,
|
|
PROP_STATUS,
|
|
g_param_spec_enum ("status",
|
|
P_("Status"),
|
|
P_("The status of the print operation"),
|
|
GTK_TYPE_PRINT_STATUS,
|
|
GTK_PRINT_STATUS_INITIAL,
|
|
GTK_PARAM_READABLE));
|
|
|
|
/**
|
|
* GtkPrintOperation:status-string:
|
|
*
|
|
* A string representation of the status of the print operation.
|
|
* The string is translated and suitable for displaying the print
|
|
* status e.g. in a #GtkStatusbar.
|
|
*
|
|
* See the ::status property for a status value that is suitable
|
|
* for programmatic use.
|
|
*
|
|
* Since: 2.10
|
|
*/
|
|
g_object_class_install_property (gobject_class,
|
|
PROP_STATUS_STRING,
|
|
g_param_spec_string ("status-string",
|
|
P_("Status String"),
|
|
P_("A human-readable description of the status"),
|
|
"",
|
|
GTK_PARAM_READABLE));
|
|
|
|
|
|
}
|
|
|
|
/**
|
|
* gtk_print_operation_new:
|
|
*
|
|
* Creates a new #GtkPrintOperation.
|
|
*
|
|
* Returns: a new #GtkPrintOperation
|
|
*
|
|
* Since: 2.10
|
|
*/
|
|
GtkPrintOperation *
|
|
gtk_print_operation_new (void)
|
|
{
|
|
GtkPrintOperation *print_operation;
|
|
|
|
print_operation = g_object_new (GTK_TYPE_PRINT_OPERATION, NULL);
|
|
|
|
return print_operation;
|
|
}
|
|
|
|
/**
|
|
* gtk_print_operation_set_default_page_setup:
|
|
* @op: a #GtkPrintOperation
|
|
* @default_page_setup: a #GtkPageSetup, or %NULL
|
|
*
|
|
* Makes @default_page_setup the default page setup for @op.
|
|
*
|
|
* This page setup will be used by gtk_print_operation_run(),
|
|
* but it can be overridden on a per-page basis by connecting
|
|
* to the ::request-page-setup signal.
|
|
*
|
|
* Since: 2.10
|
|
**/
|
|
void
|
|
gtk_print_operation_set_default_page_setup (GtkPrintOperation *op,
|
|
GtkPageSetup *default_page_setup)
|
|
{
|
|
GtkPrintOperationPrivate *priv;
|
|
|
|
g_return_if_fail (GTK_IS_PRINT_OPERATION (op));
|
|
g_return_if_fail (default_page_setup == NULL ||
|
|
GTK_IS_PAGE_SETUP (default_page_setup));
|
|
|
|
priv = op->priv;
|
|
|
|
if (default_page_setup != priv->default_page_setup)
|
|
{
|
|
if (default_page_setup)
|
|
g_object_ref (default_page_setup);
|
|
|
|
if (priv->default_page_setup)
|
|
g_object_unref (priv->default_page_setup);
|
|
|
|
priv->default_page_setup = default_page_setup;
|
|
|
|
g_object_notify (G_OBJECT (op), "default-page-setup");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* gtk_print_operation_get_default_page_setup:
|
|
* @op: a #GtkPrintOperation
|
|
*
|
|
* Returns the default page setup, see
|
|
* gtk_print_operation_set_default_page_setup().
|
|
*
|
|
* Returns: the default page setup
|
|
*
|
|
* Since: 2.10
|
|
*/
|
|
GtkPageSetup *
|
|
gtk_print_operation_get_default_page_setup (GtkPrintOperation *op)
|
|
{
|
|
g_return_val_if_fail (GTK_IS_PRINT_OPERATION (op), NULL);
|
|
|
|
return op->priv->default_page_setup;
|
|
}
|
|
|
|
|
|
/**
|
|
* gtk_print_operation_set_print_settings:
|
|
* @op: a #GtkPrintOperation
|
|
* @print_settings: #GtkPrintSettings, or %NULL
|
|
*
|
|
* Sets the print settings for @op. This is typically used to
|
|
* re-establish print settings from a previous print operation,
|
|
* see gtk_print_operation_run().
|
|
*
|
|
* Since: 2.10
|
|
**/
|
|
void
|
|
gtk_print_operation_set_print_settings (GtkPrintOperation *op,
|
|
GtkPrintSettings *print_settings)
|
|
{
|
|
GtkPrintOperationPrivate *priv;
|
|
|
|
g_return_if_fail (GTK_IS_PRINT_OPERATION (op));
|
|
g_return_if_fail (print_settings == NULL ||
|
|
GTK_IS_PRINT_SETTINGS (print_settings));
|
|
|
|
priv = op->priv;
|
|
|
|
if (print_settings != priv->print_settings)
|
|
{
|
|
if (print_settings)
|
|
g_object_ref (print_settings);
|
|
|
|
if (priv->print_settings)
|
|
g_object_unref (priv->print_settings);
|
|
|
|
priv->print_settings = print_settings;
|
|
|
|
g_object_notify (G_OBJECT (op), "print-settings");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* gtk_print_operation_get_print_settings:
|
|
* @op: a #GtkPrintOperation
|
|
*
|
|
* Returns the current print settings.
|
|
*
|
|
* Note that the return value is %NULL until either
|
|
* gtk_print_operation_set_print_settings() or
|
|
* gtk_print_operation_run() have been called.
|
|
*
|
|
* Return value: the current print settings of @op.
|
|
*
|
|
* Since: 2.10
|
|
**/
|
|
GtkPrintSettings *
|
|
gtk_print_operation_get_print_settings (GtkPrintOperation *op)
|
|
{
|
|
g_return_val_if_fail (GTK_IS_PRINT_OPERATION (op), NULL);
|
|
|
|
return op->priv->print_settings;
|
|
}
|
|
|
|
/**
|
|
* gtk_print_operation_set_job_name:
|
|
* @op: a #GtkPrintOperation
|
|
* @job_name: a string that identifies the print job
|
|
*
|
|
* Sets the name of the print job. The name is used to identify
|
|
* the job (e.g. in monitoring applications like eggcups).
|
|
*
|
|
* If you don't set a job name, GTK+ picks a default one by
|
|
* numbering successive print jobs.
|
|
*
|
|
* Since: 2.10
|
|
**/
|
|
void
|
|
gtk_print_operation_set_job_name (GtkPrintOperation *op,
|
|
const gchar *job_name)
|
|
{
|
|
GtkPrintOperationPrivate *priv;
|
|
|
|
g_return_if_fail (GTK_IS_PRINT_OPERATION (op));
|
|
g_return_if_fail (g_utf8_validate (job_name, -1, NULL));
|
|
|
|
priv = op->priv;
|
|
|
|
g_free (priv->job_name);
|
|
priv->job_name = g_strdup (job_name);
|
|
|
|
g_object_notify (G_OBJECT (op), "job-name");
|
|
}
|
|
|
|
/**
|
|
* gtk_print_operation_set_nr_of_pages:
|
|
* @op: a #GtkPrintOperation
|
|
* @n_pages: the number of pages
|
|
*
|
|
* Sets the number of pages in the document.
|
|
*
|
|
* This <emphasis>must</emphasis> be set to a positive number
|
|
* before the rendering starts. It may be set in a ::begin-print
|
|
* signal hander.
|
|
*
|
|
* Note that the page numbers passed to the ::request-page-setup
|
|
* and ::draw-page signals are 0-based, i.e. if the user chooses
|
|
* to print all pages, the last ::draw-page signal will be
|
|
* for page @n_pages - 1.
|
|
*
|
|
* Since: 2.10
|
|
**/
|
|
void
|
|
gtk_print_operation_set_nr_of_pages (GtkPrintOperation *op,
|
|
gint n_pages)
|
|
{
|
|
GtkPrintOperationPrivate *priv;
|
|
|
|
g_return_if_fail (GTK_IS_PRINT_OPERATION (op));
|
|
g_return_if_fail (n_pages > 0);
|
|
|
|
priv = op->priv;
|
|
g_return_if_fail (priv->current_page == -1 ||
|
|
priv->current_page < n_pages);
|
|
|
|
if (priv->nr_of_pages != n_pages)
|
|
{
|
|
priv->nr_of_pages = n_pages;
|
|
|
|
g_object_notify (G_OBJECT (op), "number-of-pages");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* gtk_print_operation_set_current_page:
|
|
* @op: a #GtkPrintOperation
|
|
* @current_page: the current page, 0-based
|
|
*
|
|
* Sets the current page.
|
|
*
|
|
* If this is called before gtk_print_operation_run(),
|
|
* the user will be able to select to print only the current page.
|
|
*
|
|
* Note that this only makes sense for pre-paginated documents.
|
|
*
|
|
* Since: 2.10
|
|
**/
|
|
void
|
|
gtk_print_operation_set_current_page (GtkPrintOperation *op,
|
|
gint current_page)
|
|
{
|
|
GtkPrintOperationPrivate *priv;
|
|
|
|
g_return_if_fail (GTK_IS_PRINT_OPERATION (op));
|
|
g_return_if_fail (current_page >= 0);
|
|
|
|
priv = op->priv;
|
|
g_return_if_fail (priv->nr_of_pages == -1 ||
|
|
current_page < priv->nr_of_pages);
|
|
|
|
if (priv->current_page != current_page)
|
|
{
|
|
priv->current_page = current_page;
|
|
|
|
g_object_notify (G_OBJECT (op), "current-page");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* gtk_print_operation_set_use_full_page:
|
|
* @op: a #GtkPrintOperation
|
|
* @full_page: %TRUE to set up the #GtkPrintContext for the full page
|
|
*
|
|
* If @full_page is %TRUE, the transformation for the cairo context
|
|
* obtained from #GtkPrintContext puts the origin at the top left
|
|
* corner of the page (which may not be the top left corner of the
|
|
* sheet, depending on page orientation and the number of pages per
|
|
* sheet). Otherwise, the origin is at the top left corner of the
|
|
* imageable area (i.e. inside the margins).
|
|
*
|
|
* Since: 2.10
|
|
*/
|
|
void
|
|
gtk_print_operation_set_use_full_page (GtkPrintOperation *op,
|
|
gboolean full_page)
|
|
{
|
|
GtkPrintOperationPrivate *priv;
|
|
|
|
g_return_if_fail (GTK_IS_PRINT_OPERATION (op));
|
|
|
|
full_page = full_page != FALSE;
|
|
|
|
priv = op->priv;
|
|
|
|
if (priv->use_full_page != full_page)
|
|
{
|
|
priv->use_full_page = full_page;
|
|
|
|
g_object_notify (G_OBJECT (op), "use-full-page");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* gtk_print_operation_set_unit:
|
|
* @op: a #GtkPrintOperation
|
|
* @unit: the unit to use
|
|
*
|
|
* Sets up the transformation for the cairo context obtained from
|
|
* #GtkPrintContext in such a way that distances are measured in
|
|
* units of @unit.
|
|
*
|
|
* Since: 2.10
|
|
*/
|
|
void
|
|
gtk_print_operation_set_unit (GtkPrintOperation *op,
|
|
GtkUnit unit)
|
|
{
|
|
GtkPrintOperationPrivate *priv;
|
|
|
|
g_return_if_fail (GTK_IS_PRINT_OPERATION (op));
|
|
|
|
priv = op->priv;
|
|
|
|
if (priv->unit != unit)
|
|
{
|
|
priv->unit = unit;
|
|
|
|
g_object_notify (G_OBJECT (op), "unit");
|
|
}
|
|
}
|
|
|
|
void
|
|
_gtk_print_operation_set_status (GtkPrintOperation *op,
|
|
GtkPrintStatus status,
|
|
const gchar *string)
|
|
{
|
|
GtkPrintOperationPrivate *priv = op->priv;
|
|
static const gchar *status_strs[] = {
|
|
/* translators, strip the prefix up to and including the first | */
|
|
N_("print operation status|Initial state"),
|
|
/* translators, strip the prefix up to and including the first | */
|
|
N_("print operation status|Preparing to print"),
|
|
/* translators, strip the prefix up to and including the first | */
|
|
N_("print operation status|Generating data"),
|
|
/* translators, strip the prefix up to and including the first | */
|
|
N_("print operation status|Sending data"),
|
|
/* translators, strip the prefix up to and including the first | */
|
|
N_("print operation status|Waiting"),
|
|
/* translators, strip the prefix up to and including the first | */
|
|
N_("print operation status|Blocking on issue"),
|
|
/* translators, strip the prefix up to and including the first | */
|
|
N_("print operation status|Printing"),
|
|
/* translators, strip the prefix up to and including the first | */
|
|
N_("print operation status|Finished"),
|
|
/* translators, strip the prefix up to and including the first | */
|
|
N_("print operation status|Finished with error")
|
|
};
|
|
|
|
if (status < 0 || status > GTK_PRINT_STATUS_FINISHED_ABORTED)
|
|
status = GTK_PRINT_STATUS_FINISHED_ABORTED;
|
|
|
|
if (string == NULL)
|
|
string = g_strip_context (status_strs[status],
|
|
gettext (status_strs[status]));
|
|
|
|
if (priv->status == status &&
|
|
strcmp (string, priv->status_string) == 0)
|
|
return;
|
|
|
|
g_free (priv->status_string);
|
|
priv->status_string = g_strdup (string);
|
|
priv->status = status;
|
|
|
|
g_object_notify (G_OBJECT (op), "status");
|
|
g_object_notify (G_OBJECT (op), "status-string");
|
|
|
|
g_signal_emit (op, signals[STATUS_CHANGED], 0);
|
|
}
|
|
|
|
|
|
/**
|
|
* gtk_print_operation_get_status:
|
|
* @op: a #GtkPrintOperation
|
|
*
|
|
* Returns the status of the print operation.
|
|
* Also see gtk_print_operation_get_status_string().
|
|
*
|
|
* Return value: the status of the print operation
|
|
*
|
|
* Since: 2.10
|
|
**/
|
|
GtkPrintStatus
|
|
gtk_print_operation_get_status (GtkPrintOperation *op)
|
|
{
|
|
g_return_val_if_fail (GTK_IS_PRINT_OPERATION (op),
|
|
GTK_PRINT_STATUS_FINISHED_ABORTED);
|
|
|
|
return op->priv->status;
|
|
}
|
|
|
|
/**
|
|
* gtk_print_operation_get_status_string:
|
|
* @op: a #GtkPrintOperation
|
|
*
|
|
* Returns a string representation of the status of the
|
|
* print operation. The string is translated and suitable
|
|
* for displaying the print status e.g. in a #GtkStatusbar.
|
|
*
|
|
* Use gtk_print_operation_get_status() to obtain a status
|
|
* value that is suitable for programmatic use.
|
|
*
|
|
* Return value: a string representation of the status
|
|
* of the print operation
|
|
*
|
|
* Since: 2.10
|
|
**/
|
|
G_CONST_RETURN gchar *
|
|
gtk_print_operation_get_status_string (GtkPrintOperation *op)
|
|
{
|
|
g_return_val_if_fail (GTK_IS_PRINT_OPERATION (op), "");
|
|
|
|
return op->priv->status_string;
|
|
}
|
|
|
|
/**
|
|
* gtk_print_operation_is_finished:
|
|
* @op: a #GtkPrintOperation
|
|
*
|
|
* A convenience function to find out if the print operation
|
|
* is finished, either successfully (%GTK_PRINT_STATUS_FINISHED)
|
|
* or unsuccessfully (%GTK_PRINT_STATUS_FINISHED_ABORTED).
|
|
*
|
|
* Return value: %TRUE, if the print operation is finished.
|
|
*
|
|
* Since: 2.10
|
|
**/
|
|
gboolean
|
|
gtk_print_operation_is_finished (GtkPrintOperation *op)
|
|
{
|
|
GtkPrintOperationPrivate *priv;
|
|
|
|
g_return_val_if_fail (GTK_IS_PRINT_OPERATION (op), TRUE);
|
|
|
|
priv = op->priv;
|
|
return
|
|
priv->status == GTK_PRINT_STATUS_FINISHED_ABORTED ||
|
|
priv->status == GTK_PRINT_STATUS_FINISHED;
|
|
}
|
|
|
|
|
|
/**
|
|
* gtk_print_operation_set_show_dialog:
|
|
* @op: a #GtkPrintOperation
|
|
* @show_dialog: %TRUE to show the print dialog
|
|
*
|
|
* Sets whether calling gtk_print_operation_run() will present
|
|
* a print dialog to the user, or just print to the default printer.
|
|
*
|
|
* Since: 2.10
|
|
*/
|
|
void
|
|
gtk_print_operation_set_show_dialog (GtkPrintOperation *op,
|
|
gboolean show_dialog)
|
|
{
|
|
GtkPrintOperationPrivate *priv;
|
|
|
|
g_return_if_fail (GTK_IS_PRINT_OPERATION (op));
|
|
|
|
priv = op->priv;
|
|
|
|
show_dialog = show_dialog != FALSE;
|
|
|
|
if (priv->show_dialog != show_dialog)
|
|
{
|
|
priv->show_dialog = show_dialog;
|
|
|
|
g_object_notify (G_OBJECT (op), "show-dialog");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* gtk_print_operation_set_pdf_target:
|
|
* @op: a #GtkPrintOperation
|
|
* @filename: the filename for the PDF file
|
|
*
|
|
* Sets up the #GtkPrintOperation to generate a PDF file instead
|
|
* of showing the print dialog. The indended use of this function
|
|
* is for implementing "Export to PDF" actions.
|
|
*
|
|
* "Print to PDF" support is independent of this and is done
|
|
* by letting the user pick the "Print to PDF" item from the list
|
|
* of printers in the print dialog.
|
|
*
|
|
* Since: 2.10
|
|
*/
|
|
void
|
|
gtk_print_operation_set_pdf_target (GtkPrintOperation *op,
|
|
const gchar *filename)
|
|
{
|
|
GtkPrintOperationPrivate *priv;
|
|
|
|
g_return_if_fail (GTK_IS_PRINT_OPERATION (op));
|
|
|
|
priv = op->priv;
|
|
|
|
g_free (priv->pdf_target);
|
|
priv->pdf_target = g_strdup (filename);
|
|
|
|
g_object_notify (G_OBJECT (op), "pdf-target");
|
|
}
|
|
|
|
/* Creates the initial page setup used for printing unless the
|
|
* app overrides this on a per-page basis using request_page_setup.
|
|
*
|
|
* Data is taken from, in order, if existing:
|
|
*
|
|
* PrintSettings returned from the print dialog
|
|
* (initial dialog values are set from default_page_setup
|
|
* if unset in app specified print_settings)
|
|
* default_page_setup
|
|
* per-locale default setup
|
|
*/
|
|
static GtkPageSetup *
|
|
create_page_setup (GtkPrintOperation *op)
|
|
{
|
|
GtkPrintOperationPrivate *priv = op->priv;
|
|
GtkPageSetup *page_setup;
|
|
GtkPrintSettings *settings;
|
|
|
|
if (priv->default_page_setup)
|
|
page_setup = gtk_page_setup_copy (priv->default_page_setup);
|
|
else
|
|
page_setup = gtk_page_setup_new ();
|
|
|
|
settings = priv->print_settings;
|
|
if (settings)
|
|
{
|
|
GtkPaperSize *paper_size;
|
|
|
|
if (gtk_print_settings_has_key (settings, GTK_PRINT_SETTINGS_ORIENTATION))
|
|
gtk_page_setup_set_orientation (page_setup,
|
|
gtk_print_settings_get_orientation (settings));
|
|
|
|
|
|
paper_size = gtk_print_settings_get_paper_size (settings);
|
|
if (paper_size)
|
|
{
|
|
gtk_page_setup_set_paper_size (page_setup, paper_size);
|
|
gtk_paper_size_free (paper_size);
|
|
}
|
|
|
|
/* TODO: Margins? */
|
|
}
|
|
|
|
return page_setup;
|
|
}
|
|
|
|
static void
|
|
pdf_start_page (GtkPrintOperation *op,
|
|
GtkPrintContext *print_context,
|
|
GtkPageSetup *page_setup)
|
|
{
|
|
/* TODO: Set up page size, not supported in cairo yet */
|
|
}
|
|
|
|
static void
|
|
pdf_end_page (GtkPrintOperation *op,
|
|
GtkPrintContext *print_context)
|
|
{
|
|
cairo_t *cr;
|
|
|
|
cr = gtk_print_context_get_cairo (print_context);
|
|
cairo_show_page (cr);
|
|
}
|
|
|
|
static void
|
|
pdf_end_run (GtkPrintOperation *op)
|
|
{
|
|
GtkPrintOperationPrivate *priv = op->priv;
|
|
|
|
cairo_surface_destroy (priv->surface);
|
|
priv->surface = NULL;
|
|
}
|
|
|
|
static GtkPrintOperationResult
|
|
run_pdf (GtkPrintOperation *op,
|
|
GtkWindow *parent,
|
|
gboolean *do_print,
|
|
GError **error)
|
|
{
|
|
GtkPrintOperationPrivate *priv = op->priv;
|
|
GtkPageSetup *page_setup;
|
|
double width, height;
|
|
/* This will be overwritten later by the non-default size, but
|
|
we need to pass some size: */
|
|
|
|
page_setup = create_page_setup (op);
|
|
width = gtk_page_setup_get_paper_width (page_setup, GTK_UNIT_POINTS);
|
|
height = gtk_page_setup_get_paper_height (page_setup, GTK_UNIT_POINTS);
|
|
g_object_unref (page_setup);
|
|
|
|
priv->surface = cairo_pdf_surface_create (priv->pdf_target,
|
|
width, height);
|
|
/* TODO: DPI from settings object? */
|
|
cairo_pdf_surface_set_dpi (priv->surface, 300, 300);
|
|
|
|
priv->dpi_x = 72;
|
|
priv->dpi_y = 72;
|
|
|
|
priv->manual_num_copies = 1;
|
|
priv->manual_collation = FALSE;
|
|
|
|
*do_print = TRUE;
|
|
|
|
priv->start_page = pdf_start_page;
|
|
priv->end_page = pdf_end_page;
|
|
priv->end_run = pdf_end_run;
|
|
|
|
return GTK_PRINT_OPERATION_RESULT_APPLY;
|
|
}
|
|
|
|
static void
|
|
print_pages (GtkPrintOperation *op)
|
|
{
|
|
GtkPrintOperationPrivate *priv = op->priv;
|
|
int page, range;
|
|
GtkPageSetup *initial_page_setup, *page_setup;
|
|
GtkPrintContext *print_context;
|
|
cairo_t *cr;
|
|
int uncollated_copies, collated_copies;
|
|
int i, j;
|
|
GtkPageRange *ranges;
|
|
GtkPageRange one_range;
|
|
int num_ranges;
|
|
|
|
if (priv->manual_collation)
|
|
{
|
|
uncollated_copies = priv->manual_num_copies;
|
|
collated_copies = 1;
|
|
}
|
|
else
|
|
{
|
|
uncollated_copies = 1;
|
|
collated_copies = priv->manual_num_copies;
|
|
}
|
|
|
|
print_context = _gtk_print_context_new (op);
|
|
|
|
initial_page_setup = create_page_setup (op);
|
|
_gtk_print_context_set_page_setup (print_context, initial_page_setup);
|
|
|
|
_gtk_print_operation_set_status (op, GTK_PRINT_STATUS_PREPARING, NULL);
|
|
g_signal_emit (op, signals[BEGIN_PRINT], 0, print_context);
|
|
|
|
g_return_if_fail (priv->nr_of_pages > 0);
|
|
|
|
if (priv->print_pages == GTK_PRINT_PAGES_RANGES)
|
|
{
|
|
ranges = priv->page_ranges;
|
|
num_ranges = priv->num_page_ranges;
|
|
}
|
|
else if (priv->print_pages == GTK_PRINT_PAGES_CURRENT &&
|
|
priv->current_page != -1)
|
|
{
|
|
ranges = &one_range;
|
|
num_ranges = 1;
|
|
ranges[0].start = priv->current_page;
|
|
ranges[0].end = priv->current_page;
|
|
}
|
|
else
|
|
{
|
|
ranges = &one_range;
|
|
num_ranges = 1;
|
|
ranges[0].start = 0;
|
|
ranges[0].end = priv->nr_of_pages - 1;
|
|
}
|
|
|
|
_gtk_print_operation_set_status (op, GTK_PRINT_STATUS_GENERATING_DATA, NULL);
|
|
|
|
for (i = 0; i < uncollated_copies; i++)
|
|
{
|
|
for (range = 0; range < num_ranges; range ++)
|
|
{
|
|
int start, end, inc;
|
|
int low = ranges[range].start;
|
|
int high = ranges[range].end;
|
|
|
|
if (priv->manual_reverse)
|
|
{
|
|
start = high;
|
|
end = low - 1;
|
|
inc = -1;
|
|
}
|
|
else
|
|
{
|
|
start = low;
|
|
end = high + 1;
|
|
inc = 1;
|
|
}
|
|
for (page = start; page != end; page += inc)
|
|
{
|
|
if ((priv->manual_page_set == GTK_PAGE_SET_EVEN && page % 2 == 0) ||
|
|
(priv->manual_page_set == GTK_PAGE_SET_ODD && page % 2 == 1))
|
|
continue;
|
|
|
|
for (j = 0; j < collated_copies; j++)
|
|
{
|
|
page_setup = gtk_page_setup_copy (initial_page_setup);
|
|
g_signal_emit (op, signals[REQUEST_PAGE_SETUP], 0, print_context, page, page_setup);
|
|
|
|
_gtk_print_context_set_page_setup (print_context, page_setup);
|
|
priv->start_page (op, print_context, page_setup);
|
|
|
|
cr = gtk_print_context_get_cairo (print_context);
|
|
|
|
cairo_save (cr);
|
|
if (priv->manual_scale != 100.0)
|
|
cairo_scale (cr,
|
|
priv->manual_scale,
|
|
priv->manual_scale);
|
|
|
|
if (priv->manual_orientation)
|
|
_gtk_print_context_rotate_according_to_orientation (print_context);
|
|
|
|
if (!priv->use_full_page)
|
|
_gtk_print_context_translate_into_margin (print_context);
|
|
|
|
g_signal_emit (op, signals[DRAW_PAGE], 0,
|
|
print_context, page);
|
|
|
|
priv->end_page (op, print_context);
|
|
|
|
cairo_restore (cr);
|
|
|
|
g_object_unref (page_setup);
|
|
|
|
/* Iterate the mainloop so that we redraw windows */
|
|
while (gtk_events_pending ())
|
|
gtk_main_iteration ();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
g_signal_emit (op, signals[END_PRINT], 0, print_context);
|
|
|
|
g_object_unref (print_context);
|
|
g_object_unref (initial_page_setup);
|
|
|
|
cairo_surface_finish (priv->surface);
|
|
priv->end_run (op);
|
|
|
|
}
|
|
|
|
/**
|
|
* gtk_print_operation_run:
|
|
* @op: a #GtkPrintOperation
|
|
* @parent: Transient parent of the dialog, or %NULL
|
|
* @error: Return location for errors, or %NULL
|
|
*
|
|
* Runs the print operation, by first letting the user modify
|
|
* print settings in the print dialog, and then print the
|
|
* document.
|
|
*
|
|
* Note that this function does not return until the rendering of all
|
|
* pages is complete. You can connect to the ::status-changed signal on
|
|
* @op to obtain some information about the progress of the print operation.
|
|
* Furthermore, it may use a recursive mainloop to show the print dialog.
|
|
* See gtk_print_operation_run_async() if this is a problem.
|
|
*
|
|
* <informalexample><programlisting>
|
|
* FIXME: need an example here
|
|
* </programlisting></informalexample>
|
|
*
|
|
* Return value: the result of the print operation. A return value of
|
|
* %GTK_PRINT_OPERATION_RESULT_APPLY indicates that the printing was
|
|
* completed successfully. In this case, it is a good idea to obtain
|
|
* the used print settings with gtk_print_operation_get_print_settings()
|
|
* and store them for reuse with the next print operation.
|
|
*
|
|
* Since: 2.10
|
|
**/
|
|
GtkPrintOperationResult
|
|
gtk_print_operation_run (GtkPrintOperation *op,
|
|
GtkWindow *parent,
|
|
GError **error)
|
|
{
|
|
GtkPrintOperationPrivate *priv;
|
|
GtkPrintOperationResult result;
|
|
gboolean do_print;
|
|
|
|
g_return_val_if_fail (GTK_IS_PRINT_OPERATION (op),
|
|
GTK_PRINT_OPERATION_RESULT_ERROR);
|
|
|
|
priv = op->priv;
|
|
|
|
if (priv->pdf_target != NULL)
|
|
result = run_pdf (op, parent, &do_print, error);
|
|
else
|
|
result = _gtk_print_operation_platform_backend_run_dialog (op,
|
|
parent,
|
|
&do_print,
|
|
error);
|
|
if (do_print)
|
|
print_pages (op);
|
|
else
|
|
_gtk_print_operation_set_status (op, GTK_PRINT_STATUS_FINISHED_ABORTED, NULL);
|
|
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* gtk_print_operation_run_async:
|
|
* @op: a #GtkPrintOperation
|
|
* @parent: Transient parent of the dialog, or %NULL
|
|
*
|
|
* Runs the print operation, by first letting the user modify
|
|
* print settings in the print dialog, and then print the
|
|
* document.
|
|
*
|
|
* In contrast to gtk_print_operation_run(), this function returns after
|
|
* showing the print dialog on platforms that support this, and handles
|
|
* the printing by connecting a signal handler to the ::response signal
|
|
* of the dialog.
|
|
*
|
|
* If you use this function, it is recommended that you store the modified
|
|
* #GtkPrintSettings in a ::begin-print or ::end-print signal handler.
|
|
*
|
|
* Since: 2.10
|
|
**/
|
|
void
|
|
gtk_print_operation_run_async (GtkPrintOperation *op,
|
|
GtkWindow *parent)
|
|
{
|
|
GtkPrintOperationPrivate *priv;
|
|
gboolean do_print;
|
|
|
|
g_return_if_fail (GTK_IS_PRINT_OPERATION (op));
|
|
|
|
priv = op->priv;
|
|
|
|
if (priv->pdf_target != NULL)
|
|
{
|
|
run_pdf (op, parent, &do_print, NULL);
|
|
if (do_print)
|
|
print_pages (op);
|
|
else
|
|
_gtk_print_operation_set_status (op, GTK_PRINT_STATUS_FINISHED_ABORTED, NULL);
|
|
}
|
|
else
|
|
_gtk_print_operation_platform_backend_run_dialog_async (op,
|
|
parent,
|
|
print_pages);
|
|
}
|
|
|
|
|
|
#define __GTK_PRINT_OPERATION_C__
|
|
#include "gtkaliasdef.c"
|