From 4d2d3cf76d630cffbf2dc674308692a9c0b6e6cf Mon Sep 17 00:00:00 2001
From: ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
Date: Sun, 9 Jul 2023 12:59:54 +0200
Subject: [PATCH] Documentation: explain how to refresh GUI while printing

---
 FL/Fl_Printer.H | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/FL/Fl_Printer.H b/FL/Fl_Printer.H
index b65fa3085..cfbab43c8 100644
--- a/FL/Fl_Printer.H
+++ b/FL/Fl_Printer.H
@@ -57,6 +57,16 @@
  }
  delete printer;
  \endcode
+ <p>Recommend method to refresh GUI while printing :
+ \code
+ printer->begin_job(0);
+ ……
+ Fl_Surface_Device::push_current(Fl_Display_Device::display_device());
+ Fl::check(); // or any operation that draws to display
+ Fl_Surface_Device::pop_current();
+ ……
+ printer->end_job();
+ \endcode
  <b>Platform specifics</b>
  <ul>
  <li>X11 and Wayland platforms: