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Handle failure to create temp file by returning NULL.

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* gtk/gtkprintoperation-unix.c
        (_gtk_print_operation_platform_backend_create_preview_surface):
        Handle failure to create temp file by returning NULL.

        * gtk/gtkprintoperation.c (gtk_print_operation_preview_handler):
        Return FALSE if surface creation fails.

        (print_pages): If the preiew signal is not handled, show an
        error dialog.


svn path=/trunk/; revision=20715
This commit is contained in:
Matthias Clasen
2008-07-01 05:38:49 +00:00
parent cbd06646dd
commit a7abdcf8fc
3 changed files with 63 additions and 8 deletions
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9
gtk/gtkprintoperation-unix.c
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@ -667,6 +667,13 @@ _gtk_print_operation_platform_backend_create_preview_surface (GtkPrintOperation
filename = g_build_filename (g_get_tmp_dir (), "previewXXXXXX.pdf", NULL);
fd = g_mkstemp (filename);
if (fd < 0)
{
g_free (filename);
return NULL;
}
*target = filename;
paper_size = gtk_page_setup_get_paper_size (page_setup);
@ -674,7 +681,7 @@ _gtk_print_operation_platform_backend_create_preview_surface (GtkPrintOperation
h = gtk_paper_size_get_height (paper_size, GTK_UNIT_POINTS);
*dpi_x = *dpi_y = 72;
surface = cairo_pdf_surface_create_for_stream (write_preview, GINT_TO_POINTER(fd), w, h);
surface = cairo_pdf_surface_create_for_stream (write_preview, GINT_TO_POINTER (fd), w, h);
cairo_surface_set_user_data (surface, &key, GINT_TO_POINTER (fd), close_preview);