Add new capability GTK_PRINT_CAPABILITY_NUMBER_UP.

2007-05-28  Carlos Garcia Campos  <carlosgc@gnome.org>
	* gtk/gtkprinter.[ch]: Add new capability
	GTK_PRINT_CAPABILITY_NUMBER_UP.
	* docs/reference/gtk/tmpl/gtkprintunixdialog.sgml: 
	* gtk/gtkprintunixdialog.c: (update_dialog_from_capabilities):
	* modules/printbackends/file/gtkprintbackendfile.c:
	(file_printer_get_options), (file_printer_get_settings_from_options):
	* modules/printbackends/cups/gtkprintbackendcups.c:
	(cups_printer_get_capabilities): Add a new print capability to specify
	whether print dialog will offer printing multiple pages per sheet. (#398414)

svn path=/trunk/; revision=17963

ChangeLog

@@ -1,3 +1,15 @@
+2007-05-28  Carlos Garcia Campos  <carlosgc@gnome.org>
+
+	* gtk/gtkprinter.[ch]: Add new capability
+	GTK_PRINT_CAPABILITY_NUMBER_UP.
+	* docs/reference/gtk/tmpl/gtkprintunixdialog.sgml: 
+	* gtk/gtkprintunixdialog.c: (update_dialog_from_capabilities):
+	* modules/printbackends/file/gtkprintbackendfile.c:
+	(file_printer_get_options), (file_printer_get_settings_from_options):
+	* modules/printbackends/cups/gtkprintbackendcups.c:
+	(cups_printer_get_capabilities): Add a new print capability to specify
+	whether print dialog will offer printing multiple pages per sheet. (#398414)
+	
 2007-05-28  Matthias Clasen  <mclasen@redhat.com>
 
 	* gtk/gtkwidget.c: Document some more signals

docs/reference/gtk/tmpl/gtkprintunixdialog.sgml

@@ -159,7 +159,7 @@ Printing support was added in GTK+ 2.10.
 <!-- ##### ENUM GtkPrintCapabilities ##### -->
 <para>
 An enum for specifying which features the print dialog should offer.
-I neither %GTK_PRINT_CAPABILITY_GENERATE_PDF nor %GTK_PRINT_CAPABILITY_GENERATE_PS is
+If neither %GTK_PRINT_CAPABILITY_GENERATE_PDF nor %GTK_PRINT_CAPABILITY_GENERATE_PS is
 specified, GTK+ assumes that all formats are supported.
 </para>
 
@@ -171,7 +171,7 @@ specified, GTK+ assumes that all formats are supported.
 @GTK_PRINT_CAPABILITY_GENERATE_PDF: The program will send the document to the printer in PDF format
 @GTK_PRINT_CAPABILITY_GENERATE_PS: The program will send the document to the printer in Postscript format
 @GTK_PRINT_CAPABILITY_PREVIEW: 
-
+@GTK_PRINT_CAPABILITY_NUMBER_UP: Print dialog will offer printing multiple pages per sheet. Since 2.12
 <!-- ##### FUNCTION gtk_print_unix_dialog_set_manual_capabilities ##### -->
 <para>
 

gtk/gtkprinter.c

@@ -1086,6 +1086,7 @@ gtk_print_capabilities_get_type (void)
         { GTK_PRINT_CAPABILITY_GENERATE_PDF, "GTK_PRINT_CAPABILITY_GENERATE_PDF", "generate-pdf" },
         { GTK_PRINT_CAPABILITY_GENERATE_PS, "GTK_PRINT_CAPABILITY_GENERATE_PS", "generate-ps" },
         { GTK_PRINT_CAPABILITY_PREVIEW, "GTK_PRINT_CAPABILITY_PREVIEW", "preview" },
+	{ GTK_PRINT_CAPABILITY_NUMBER_UP, "GTK_PRINT_CAPABILITY_NUMBER_UP", "number-up"},
         { 0, NULL, NULL }
       };
 

gtk/gtkprinter.h

@@ -40,7 +40,8 @@ typedef enum
   GTK_PRINT_CAPABILITY_SCALE        = 1 << 4,
   GTK_PRINT_CAPABILITY_GENERATE_PDF = 1 << 5,
   GTK_PRINT_CAPABILITY_GENERATE_PS  = 1 << 6,
-  GTK_PRINT_CAPABILITY_PREVIEW      = 1 << 7
+  GTK_PRINT_CAPABILITY_PREVIEW      = 1 << 7,
+  GTK_PRINT_CAPABILITY_NUMBER_UP    = 1 << 8
 } GtkPrintCapabilities;
 
 GType gtk_print_capabilities_get_type (void) G_GNUC_CONST;

gtk/gtkprintunixdialog.c

@@ -1058,6 +1058,8 @@ update_dialog_from_capabilities (GtkPrintUnixDialog *dialog)
 			    caps & GTK_PRINT_CAPABILITY_REVERSE);
   gtk_widget_set_sensitive (priv->scale_spin,
 			    caps & GTK_PRINT_CAPABILITY_SCALE);
+  gtk_widget_set_sensitive (GTK_WIDGET (priv->pages_per_sheet),
+			    caps & GTK_PRINT_CAPABILITY_NUMBER_UP);
 
   if (caps & GTK_PRINT_CAPABILITY_PREVIEW)
     gtk_widget_show (priv->preview_button);

modules/printbackends/cups/gtkprintbackendcups.c

@@ -2875,5 +2875,6 @@ cups_printer_get_capabilities (GtkPrinter *printer)
   return
     GTK_PRINT_CAPABILITY_COPIES |
     GTK_PRINT_CAPABILITY_COLLATE |
-    GTK_PRINT_CAPABILITY_REVERSE;
+    GTK_PRINT_CAPABILITY_REVERSE |
+    GTK_PRINT_CAPABILITY_NUMBER_UP;
 }

modules/printbackends/file/gtkprintbackendfile.c

@@ -480,7 +480,8 @@ file_printer_get_options (GtkPrinter           *printer,
 {
   GtkPrinterOptionSet *set;
   GtkPrinterOption *option;
-  const gchar *n_up[] = { "1" };
+  const gchar *n_up[] = {"1", "2", "4", "6", "9", "16" };
+  const gchar *pages_per_sheet = NULL;
   const gchar *format_names[N_FORMATS] = { N_("PDF"), N_("Postscript") };
   const gchar *supported_formats[N_FORMATS];
   gchar *display_format_names[N_FORMATS];
@@ -496,7 +497,12 @@ file_printer_get_options (GtkPrinter           *printer,
   option = gtk_printer_option_new ("gtk-n-up", _("Pages per _sheet:"), GTK_PRINTER_OPTION_TYPE_PICKONE);
   gtk_printer_option_choices_from_array (option, G_N_ELEMENTS (n_up),
 					 (char **) n_up, (char **) n_up /* FIXME i18n (localised digits)! */);
-  gtk_printer_option_set (option, "1");
+  if (settings)
+    pages_per_sheet = gtk_print_settings_get (settings, GTK_PRINT_SETTINGS_NUMBER_UP);
+  if (pages_per_sheet)
+    gtk_printer_option_set (option, pages_per_sheet);
+  else
+    gtk_printer_option_set (option, "1");
   gtk_printer_option_set_add (set, option);
   g_object_unref (option);
 
@@ -573,6 +579,9 @@ file_printer_get_settings_from_options (GtkPrinter          *printer,
   if (option)
     gtk_print_settings_set (settings, GTK_PRINT_SETTINGS_OUTPUT_FILE_FORMAT, option->value);
 
+  option = gtk_printer_option_set_lookup (options, "gtk-n-up");
+  if (option)
+    gtk_print_settings_set (settings, GTK_PRINT_SETTINGS_NUMBER_UP, option->value);
 }
 
 static void