2006-04-21 15:09:32 +00:00
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/* GTK - The GIMP Toolkit
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* gtkprintbackend.h: Abstract printer backend interfaces
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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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#ifndef __GTK_PRINT_BACKEND_H__
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#define __GTK_PRINT_BACKEND_H__
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/* This is a "semi-private" header; it is meant only for
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* alternate GtkPrintDialog backend modules; no stability guarantees
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* are made at this point
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*/
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#ifndef GTK_PRINT_BACKEND_ENABLE_UNSUPPORTED
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#error "GtkPrintBackend is not supported API for general use"
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#endif
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#include <glib-object.h>
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#include <cairo.h>
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#include "gtkprinter-private.h"
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#include "gtkprintsettings.h"
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#include "gtkprinteroption.h"
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#include "gtkprintjob.h"
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G_BEGIN_DECLS
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2006-05-04 13:43:32 +00:00
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typedef struct _GtkPrintBackendClass GtkPrintBackendClass;
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typedef struct _GtkPrintBackendPrivate GtkPrintBackendPrivate;
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#define GTK_PRINT_BACKEND_ERROR (gtk_print_backend_error_quark ())
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typedef enum
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{
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/* TODO: add specific errors */
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GTK_PRINT_BACKEND_ERROR_GENERIC
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} GtkPrintBackendError;
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GQuark gtk_print_backend_error_quark (void);
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2006-05-04 13:43:32 +00:00
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#define GTK_TYPE_PRINT_BACKEND (gtk_print_backend_get_type ())
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#define GTK_PRINT_BACKEND(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_PRINT_BACKEND, GtkPrintBackend))
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#define GTK_PRINT_BACKEND_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_PRINT_BACKEND, GtkPrintBackendClass))
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#define GTK_IS_PRINT_BACKEND(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_PRINT_BACKEND))
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#define GTK_IS_PRINT_BACKEND_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_PRINT_BACKEND))
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#define GTK_PRINT_BACKEND_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_PRINT_BACKEND, GtkPrintBackendClass))
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2006-05-04 13:43:32 +00:00
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struct _GtkPrintBackend
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{
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GObject parent_instance;
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2006-05-04 13:43:32 +00:00
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GtkPrintBackendPrivate *priv;
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};
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2006-04-21 15:09:32 +00:00
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2006-05-04 13:43:32 +00:00
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struct _GtkPrintBackendClass
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{
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GObjectClass parent_class;
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/* Global backend methods: */
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void (*request_printer_list) (GtkPrintBackend *backend);
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void (*print_stream) (GtkPrintBackend *backend,
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GtkPrintJob *job,
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gint data_fd,
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GtkPrintJobCompleteFunc callback,
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gpointer user_data,
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GDestroyNotify dnotify);
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/* Printer methods: */
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void (*printer_request_details) (GtkPrinter *printer);
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cairo_surface_t * (*printer_create_cairo_surface) (GtkPrinter *printer,
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gdouble height,
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gdouble width,
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gint cache_fd);
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GtkPrinterOptionSet * (*printer_get_options) (GtkPrinter *printer,
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GtkPrintSettings *settings,
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GtkPageSetup *page_setup);
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gboolean (*printer_mark_conflicts) (GtkPrinter *printer,
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GtkPrinterOptionSet *options);
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void (*printer_get_settings_from_options) (GtkPrinter *printer,
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GtkPrinterOptionSet *options,
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GtkPrintSettings *settings);
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void (*printer_prepare_for_print) (GtkPrinter *printer,
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GtkPrintJob *print_job,
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GtkPrintSettings *settings,
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GtkPageSetup *page_setup);
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GList * (*printer_list_papers) (GtkPrinter *printer);
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void (*printer_get_hard_margins) (GtkPrinter *printer,
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double *top,
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double *bottom,
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double *left,
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double *right);
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2006-05-04 13:43:32 +00:00
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/* Signals */
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void (*printer_list_changed) (GtkPrintBackend *backend);
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void (*printer_list_done) (GtkPrintBackend *backend);
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void (*printer_added) (GtkPrintBackend *backend,
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GtkPrinter *printer);
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void (*printer_removed) (GtkPrintBackend *backend,
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GtkPrinter *printer);
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void (*printer_status_changed) (GtkPrintBackend *backend,
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GtkPrinter *printer);
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/* Padding for future expansion */
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void (*_gtk_reserved1) (void);
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void (*_gtk_reserved2) (void);
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void (*_gtk_reserved3) (void);
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void (*_gtk_reserved4) (void);
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void (*_gtk_reserved5) (void);
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void (*_gtk_reserved6) (void);
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void (*_gtk_reserved7) (void);
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};
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GType gtk_print_backend_get_type (void) G_GNUC_CONST;
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2006-05-04 13:43:32 +00:00
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GList *gtk_print_backend_get_printer_list (GtkPrintBackend *print_backend);
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gboolean gtk_print_backend_printer_list_is_done (GtkPrintBackend *print_backend);
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GtkPrinter *gtk_print_backend_find_printer (GtkPrintBackend *print_backend,
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const gchar *printer_name);
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void gtk_print_backend_print_stream (GtkPrintBackend *print_backend,
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GtkPrintJob *job,
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gint data_fd,
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GtkPrintJobCompleteFunc callback,
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gpointer user_data,
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GDestroyNotify dnotify);
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GList * gtk_print_backend_load_modules (void);
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void gtk_print_backend_unref_at_idle (GtkPrintBackend *print_backend);
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void gtk_print_backend_destroy (GtkPrintBackend *print_backend);
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/* Backend-only functions for GtkPrintBackend */
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void gtk_print_backend_add_printer (GtkPrintBackend *print_backend,
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GtkPrinter *printer);
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void gtk_print_backend_remove_printer (GtkPrintBackend *print_backend,
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GtkPrinter *printer);
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void gtk_print_backend_set_list_done (GtkPrintBackend *backend);
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/* Backend-only functions for GtkPrinter */
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GtkPrinter *gtk_printer_new (const char *name,
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GtkPrintBackend *backend,
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gboolean is_virtual);
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gboolean gtk_printer_is_new (GtkPrinter *printer);
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void gtk_printer_set_is_new (GtkPrinter *printer,
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gboolean val);
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void gtk_printer_set_is_active (GtkPrinter *printer,
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gboolean val);
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void gtk_printer_set_has_details (GtkPrinter *printer,
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gboolean val);
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void gtk_printer_set_is_default (GtkPrinter *printer,
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gboolean val);
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void gtk_printer_set_icon_name (GtkPrinter *printer,
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const gchar *icon);
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gboolean gtk_printer_set_job_count (GtkPrinter *printer,
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gint count);
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gboolean gtk_printer_set_location (GtkPrinter *printer,
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const gchar *location);
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gboolean gtk_printer_set_description (GtkPrinter *printer,
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const gchar *description);
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gboolean gtk_printer_set_state_message (GtkPrinter *printer,
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const gchar *message);
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void gtk_printer_set_is_active (GtkPrinter *printer,
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gboolean active);
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G_END_DECLS
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#endif /* __GTK_PRINT_BACKEND_H__ */
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