Tab order should begin from the topmost widget and then
descend towards the bottom end of the dialog.
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
- adds missing file printoptions.ui
- adds all controls present in the GTK version of the
print dialog custom tab
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>