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5af318021231296eb3e87f4377f45485e6256f4f
gtk3/gtk/gtkprintoperation.h
Marek Kasik 8ff5d4ffc4 Bug 339318 - Allow page rendering to (optionally) happen in a thread 
2008-12-19  Marek Kasik  <mkasik@redhat.com>

	Bug 339318 - Allow page rendering to (optionally) happen in a thread

	* gtk/gtk.symbols: API change
	* doc/reference/gtk/gtk-sections.txt: API change
	* gtk/gtkprintoperation-private.h
	* gtk/gtkprintoperation.h
	* gtk/gtkprintoperation.c: Adds 2 new functions
	   gtk_print_operation_set_defer_drawing()
	     - Sets up the GtkPrintOperation to wait for calling of
	       gtk_print_operation_draw_page_finish() from application. It can
	       be used for drawing page in another thread.
	       This function must be called in the callback of "draw-page"
	       signal.
	   gtk_print_operation_draw_page_finish()
	     - Signalize that drawing of particular page is complete.
	       It is called after completion of page drawing (e.g. drawing
	       in another thread).
	       If gtk_print_operation_set_defer_drawing() was called before,
	       then this function has to be called by application. In another
	       case it is called by the library itself.

svn path=/trunk/; revision=21913
2008-12-19 16:42:05 +00:00

194 lines
8.1 KiB
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/* GTK - The GIMP Toolkit
* gtkprintoperation.h: Print Operation
* Copyright (C) 2006, Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#if defined(GTK_DISABLE_SINGLE_INCLUDES) && !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
#error "Only <gtk/gtk.h> can be included directly."
#endif
#ifndef __GTK_PRINT_OPERATION_H__
#define __GTK_PRINT_OPERATION_H__
#include <cairo.h>
#include <gtk/gtkmain.h>
#include <gtk/gtkwindow.h>
#include <gtk/gtkpagesetup.h>
#include <gtk/gtkprintsettings.h>
#include <gtk/gtkprintcontext.h>
#include <gtk/gtkprintoperationpreview.h>
G_BEGIN_DECLS
#define GTK_TYPE_PRINT_OPERATION (gtk_print_operation_get_type ())
#define GTK_PRINT_OPERATION(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_PRINT_OPERATION, GtkPrintOperation))
#define GTK_PRINT_OPERATION_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_PRINT_OPERATION, GtkPrintOperationClass))
#define GTK_IS_PRINT_OPERATION(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_PRINT_OPERATION))
#define GTK_IS_PRINT_OPERATION_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_PRINT_OPERATION))
#define GTK_PRINT_OPERATION_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_PRINT_OPERATION, GtkPrintOperationClass))
typedef struct _GtkPrintOperationClass GtkPrintOperationClass;
typedef struct _GtkPrintOperationPrivate GtkPrintOperationPrivate;
typedef struct _GtkPrintOperation GtkPrintOperation;
typedef enum {
GTK_PRINT_STATUS_INITIAL,
GTK_PRINT_STATUS_PREPARING,
GTK_PRINT_STATUS_GENERATING_DATA,
GTK_PRINT_STATUS_SENDING_DATA,
GTK_PRINT_STATUS_PENDING,
GTK_PRINT_STATUS_PENDING_ISSUE,
GTK_PRINT_STATUS_PRINTING,
GTK_PRINT_STATUS_FINISHED,
GTK_PRINT_STATUS_FINISHED_ABORTED
} GtkPrintStatus;
typedef enum {
GTK_PRINT_OPERATION_RESULT_ERROR,
GTK_PRINT_OPERATION_RESULT_APPLY,
GTK_PRINT_OPERATION_RESULT_CANCEL,
GTK_PRINT_OPERATION_RESULT_IN_PROGRESS
} GtkPrintOperationResult;
typedef enum {
GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG,
GTK_PRINT_OPERATION_ACTION_PRINT,
GTK_PRINT_OPERATION_ACTION_PREVIEW,
GTK_PRINT_OPERATION_ACTION_EXPORT
} GtkPrintOperationAction;
struct _GtkPrintOperation
{
GObject parent_instance;
GtkPrintOperationPrivate *GSEAL (priv);
};
struct _GtkPrintOperationClass
{
GObjectClass parent_class;
void (*done) (GtkPrintOperation *operation,
GtkPrintOperationResult result);
void (*begin_print) (GtkPrintOperation *operation,
GtkPrintContext *context);
gboolean (*paginate) (GtkPrintOperation *operation,
GtkPrintContext *context);
void (*request_page_setup) (GtkPrintOperation *operation,
GtkPrintContext *context,
gint page_nr,
GtkPageSetup *setup);
void (*draw_page) (GtkPrintOperation *operation,
GtkPrintContext *context,
gint page_nr);
void (*end_print) (GtkPrintOperation *operation,
GtkPrintContext *context);
void (*status_changed) (GtkPrintOperation *operation);
GtkWidget *(*create_custom_widget) (GtkPrintOperation *operation);
void (*custom_widget_apply) (GtkPrintOperation *operation,
GtkWidget *widget);
gboolean (*preview) (GtkPrintOperation *operation,
GtkPrintOperationPreview *preview,
GtkPrintContext *context,
GtkWindow *parent);
/* Padding for future expansion */
void (*_gtk_reserved1) (void);
void (*_gtk_reserved2) (void);
void (*_gtk_reserved3) (void);
void (*_gtk_reserved4) (void);
void (*_gtk_reserved5) (void);
void (*_gtk_reserved6) (void);
void (*_gtk_reserved7) (void);
};
#define GTK_PRINT_ERROR gtk_print_error_quark ()
typedef enum
{
GTK_PRINT_ERROR_GENERAL,
GTK_PRINT_ERROR_INTERNAL_ERROR,
GTK_PRINT_ERROR_NOMEM,
GTK_PRINT_ERROR_INVALID_FILE
} GtkPrintError;
GQuark gtk_print_error_quark (void);
GType gtk_print_operation_get_type (void) G_GNUC_CONST;
GtkPrintOperation * gtk_print_operation_new (void);
void gtk_print_operation_set_default_page_setup (GtkPrintOperation *op,
GtkPageSetup *default_page_setup);
GtkPageSetup * gtk_print_operation_get_default_page_setup (GtkPrintOperation *op);
void gtk_print_operation_set_print_settings (GtkPrintOperation *op,
GtkPrintSettings *print_settings);
GtkPrintSettings * gtk_print_operation_get_print_settings (GtkPrintOperation *op);
void gtk_print_operation_set_job_name (GtkPrintOperation *op,
const gchar *job_name);
void gtk_print_operation_set_n_pages (GtkPrintOperation *op,
gint n_pages);
void gtk_print_operation_set_current_page (GtkPrintOperation *op,
gint current_page);
void gtk_print_operation_set_use_full_page (GtkPrintOperation *op,
gboolean full_page);
void gtk_print_operation_set_unit (GtkPrintOperation *op,
GtkUnit unit);
void gtk_print_operation_set_export_filename (GtkPrintOperation *op,
const gchar *filename);
void gtk_print_operation_set_track_print_status (GtkPrintOperation *op,
gboolean track_status);
void gtk_print_operation_set_show_progress (GtkPrintOperation *op,
gboolean show_progress);
void gtk_print_operation_set_allow_async (GtkPrintOperation *op,
gboolean allow_async);
void gtk_print_operation_set_custom_tab_label (GtkPrintOperation *op,
const gchar *label);
GtkPrintOperationResult gtk_print_operation_run (GtkPrintOperation *op,
GtkPrintOperationAction action,
GtkWindow *parent,
GError **error);
void gtk_print_operation_get_error (GtkPrintOperation *op,
GError **error);
GtkPrintStatus gtk_print_operation_get_status (GtkPrintOperation *op);
G_CONST_RETURN gchar * gtk_print_operation_get_status_string (GtkPrintOperation *op);
gboolean gtk_print_operation_is_finished (GtkPrintOperation *op);
void gtk_print_operation_cancel (GtkPrintOperation *op);
void gtk_print_operation_draw_page_finish (GtkPrintOperation *op);
void gtk_print_operation_set_defer_drawing (GtkPrintOperation *op);
GtkPageSetup *gtk_print_run_page_setup_dialog (GtkWindow *parent,
GtkPageSetup *page_setup,
GtkPrintSettings *settings);
typedef void (* GtkPageSetupDoneFunc) (GtkPageSetup *page_setup,
gpointer data);
void gtk_print_run_page_setup_dialog_async (GtkWindow *parent,
GtkPageSetup *page_setup,
GtkPrintSettings *settings,
GtkPageSetupDoneFunc done_cb,
gpointer data);
G_END_DECLS
#endif /* __GTK_PRINT_OPERATION_H__ */
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