[evince] [printing] Make evince output pdf on supported printers

[Carlos Garcia Campos <carlosgc src gnome org>]

commit 2eedce4d1c281bde50edf87ec00821c1d10bd751
Author: Johan Brannlund <gnome-bugs nullinfinity org>
Date:   Thu Jun 25 14:41:00 2009 +0200

    [printing] Make evince output pdf on supported printers
    
    Fixes bgo#585442.

 shell/ev-print-operation.c |    9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)
---
diff --git a/shell/ev-print-operation.c b/shell/ev-print-operation.c
index 1821d4f..b115887 100644
--- a/shell/ev-print-operation.c
+++ b/shell/ev-print-operation.c
@@ -1187,8 +1187,13 @@ ev_print_operation_export_print_dialog_response_cb (GtkDialog              *dial
 
 	get_first_and_last_page (export, &first_page, &last_page);
 
-	export->fc.format = file_format && g_ascii_strcasecmp (file_format, "pdf") == 0 ?
-		EV_FILE_FORMAT_PDF : EV_FILE_FORMAT_PS;
+	if (file_format) {
+		export->fc.format = g_ascii_strcasecmp (file_format, "pdf") == 0 ?
+			EV_FILE_FORMAT_PDF : EV_FILE_FORMAT_PS;
+	} else {
+		export->fc.format = gtk_printer_accepts_pdf (printer) ?
+			EV_FILE_FORMAT_PDF : EV_FILE_FORMAT_PS;
+	}
 	export->fc.filename = export->temp_file;
 	export->fc.first_page = MIN (first_page, last_page);
 	export->fc.last_page = MAX (first_page, last_page);