From 7988cf25a52d26109e60fe5a7b72ec2940c59ecc Mon Sep 17 00:00:00 2001
From: Eirik Aavitsland <eirik.aavitsland@qt.io>
Date: Tue, 18 Oct 2022 17:29:23 +0200
Subject: [PATCH] Avoid warning from QPrinter::setFromTo() in the documented
 0,0 case

The doc says the setFromTo(0, 0) will print the whole document,
i.e. clear the page ranges. Although this works, it creates a runtime
warning.

Fixes: QTBUG-105292
Pick-to: 6.4
Change-Id: Ic5de5be71ffc91762c8a4a44875ba133831d981f
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@qt.io>
---
 src/printsupport/kernel/qprinter.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/printsupport/kernel/qprinter.cpp b/src/printsupport/kernel/qprinter.cpp
index 66fc883cae..e591b51aee 100644
--- a/src/printsupport/kernel/qprinter.cpp
+++ b/src/printsupport/kernel/qprinter.cpp
@@ -1410,7 +1410,8 @@ int QPrinter::toPage() const
 void QPrinter::setFromTo(int from, int to)
 {
     d->pageRanges.clear();
-    d->pageRanges.addRange(from, to);
+    if (from && to)
+        d->pageRanges.addRange(from, to);
 }
 
 /*!