From 0c0adbdaab92cb8a2f62bbe6bf4c34385d8c8b12 Mon Sep 17 00:00:00 2001
From: Bill Somerville <bill@classdesign.com>
Date: Thu, 1 Oct 2020 12:58:09 +0100
Subject: [PATCH] Fix widget foreground when forcing the background colour

This is  required so as  to maintain good contrast  between foreground
and background  elements when  the widget  colour palette  is changed,
e.g. when using a lights out style sheet.
---
 widgets/mainwindow.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/widgets/mainwindow.cpp b/widgets/mainwindow.cpp
index 8df2966f1..7f5c0a681 100644
--- a/widgets/mainwindow.cpp
+++ b/widgets/mainwindow.cpp
@@ -6675,8 +6675,8 @@ void MainWindow::chk_FST4_freq_range()
   int diff=ui->sbF_High->value() - ui->sbF_Low->value();
 
   if(diff<100 or diff>maxDiff) {
-    ui->sbF_Low->setStyleSheet("QSpinBox { background-color: red; }");
-    ui->sbF_High->setStyleSheet("QSpinBox { background-color: red; }");
+    ui->sbF_Low->setStyleSheet("QSpinBox { color: white; background-color: red; }");
+    ui->sbF_High->setStyleSheet("QSpinBox { color: white; background-color: red; }");
   } else {
     ui->sbF_Low->setStyleSheet("");
     ui->sbF_High->setStyleSheet("");