Pileus Git - ~andy/gtk/blob - gtk/gtkprintoperationpreview.c

   1 /* GTK - The GIMP Toolkit
   2  * gtkprintoperationpreview.c: Abstract print preview interface
   3  * Copyright (C) 2006, Red Hat, Inc.
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the
  17  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18  * Boston, MA 02111-1307, USA.
  19  */
  20
  21 #include "config.h"
  22
  23 #include "gtkprintoperationpreview.h"
  24 #include "gtkmarshalers.h"
  25 #include "gtkintl.h"
  26
  27 static void gtk_print_operation_preview_base_init (gpointer g_iface);
  28
  29 GType
  30 gtk_print_operation_preview_get_type (void)
  31 {
  32   static GType print_operation_preview_type = 0;
  33
  34   if (!print_operation_preview_type)
  35     {
  36       static const GTypeInfo print_operation_preview_info =
  37       {
  38         sizeof (GtkPrintOperationPreviewIface), /* class_size */
  39         gtk_print_operation_preview_base_init,   /* base_init */
  40         NULL,           /* base_finalize */
  41         NULL,
  42         NULL,           /* class_finalize */
  43         NULL,           /* class_data */
  44         0,
  45         0,              /* n_preallocs */
  46         NULL
  47       };
  48
  49       print_operation_preview_type =
  50         g_type_register_static (G_TYPE_INTERFACE, I_("GtkPrintOperationPreview"),
  51                                 &print_operation_preview_info, 0);
  52
  53       g_type_interface_add_prerequisite (print_operation_preview_type, G_TYPE_OBJECT);
  54     }
  55
  56   return print_operation_preview_type;
  57 }
  58
  59 static void
  60 gtk_print_operation_preview_base_init (gpointer g_iface)
  61 {
  62   static gboolean initialized = FALSE;
  63
  64   if (!initialized)
  65     {
  66       g_signal_new (I_("ready"),
  67                     GTK_TYPE_PRINT_OPERATION_PREVIEW,
  68                     G_SIGNAL_RUN_LAST,
  69                     G_STRUCT_OFFSET (GtkPrintOperationPreviewIface, ready),
  70                     NULL, NULL,
  71                     g_cclosure_marshal_VOID__OBJECT,
  72                     G_TYPE_NONE, 1,
  73                     G_TYPE_OBJECT);
  74
  75       g_signal_new (I_("got-page-size"),
  76                     GTK_TYPE_PRINT_OPERATION_PREVIEW,
  77                     G_SIGNAL_RUN_LAST,
  78                     G_STRUCT_OFFSET (GtkPrintOperationPreviewIface, ready),
  79                     NULL, NULL,
  80                     _gtk_marshal_VOID__OBJECT_OBJECT,
  81                     G_TYPE_NONE, 2,
  82                     GTK_TYPE_PRINT_CONTEXT,
  83                     GTK_TYPE_PAGE_SETUP);
  84
  85       initialized = TRUE;
  86     }
  87 }
  88
  89
  90 void
  91 gtk_print_operation_preview_render_page (GtkPrintOperationPreview *preview,
  92                                          gint                      page_nr)
  93 {
  94   g_return_if_fail (GTK_IS_PRINT_OPERATION_PREVIEW (preview));
  95
  96   GTK_PRINT_OPERATION_PREVIEW_GET_IFACE (preview)->render_page (preview,
  97                                                                 page_nr);
  98 }
  99
 100 void
 101 gtk_print_operation_preview_end_preview (GtkPrintOperationPreview *preview)
 102 {
 103   g_return_if_fail (GTK_IS_PRINT_OPERATION_PREVIEW (preview));
 104
 105   GTK_PRINT_OPERATION_PREVIEW_GET_IFACE (preview)->end_preview (preview);
 106 }
 107
 108 gboolean
 109 gtk_print_operation_preview_is_selected (GtkPrintOperationPreview *preview,
 110                                          gint                      page_nr)
 111 {
 112   g_return_if_fail (GTK_IS_PRINT_OPERATION_PREVIEW (preview));
 113
 114   return GTK_PRINT_OPERATION_PREVIEW_GET_IFACE (preview)->is_selected (preview, page_nr);
 115 }
 116