From 24332e40c6190f62f027960cb5ee956394626040 Mon Sep 17 00:00:00 2001
From: Werner Lemberg <wl@gnu.org>
Date: Tue, 17 Jan 2012 21:36:57 +0100
Subject: [PATCH] Handle minimum and maximum spin boxes.

---
 frontend/maingui.cpp | 25 +++++++++++++++++++++++++
 frontend/maingui.h   |  2 ++
 2 files changed, 27 insertions(+)

diff --git a/frontend/maingui.cpp b/frontend/maingui.cpp
index b558a5d..a80b039 100644
--- a/frontend/maingui.cpp
+++ b/frontend/maingui.cpp
@@ -84,6 +84,26 @@ Main_GUI::browse_output()
 
 
 void
+Main_GUI::check_min()
+{
+  int min = min_box->value();
+  int max = max_box->value();
+  if (min > max)
+    max_box->setValue(min);
+}
+
+
+void
+Main_GUI::check_max()
+{
+  int min = min_box->value();
+  int max = max_box->value();
+  if (max < min)
+    min_box->setValue(max);
+}
+
+
+void
 Main_GUI::check_run()
 {
   if (input_line->text().isEmpty() || output_line->text().isEmpty())
@@ -202,6 +222,11 @@ Main_GUI::create_connections()
   connect(output_line, SIGNAL(textChanged(QString)), this,
           SLOT(check_run()));
 
+  connect(min_box, SIGNAL(valueChanged(int)), this,
+          SLOT(check_min()));
+  connect(max_box, SIGNAL(valueChanged(int)), this,
+          SLOT(check_max()));
+
   connect(run_button, SIGNAL(clicked()), this,
           SLOT(run()));
 }
diff --git a/frontend/maingui.h b/frontend/maingui.h
index 10080bd..f91a0bd 100644
--- a/frontend/maingui.h
+++ b/frontend/maingui.h
@@ -40,6 +40,8 @@ private slots:
   void about();
   void browse_input();
   void browse_output();
+  void check_min();
+  void check_max();
   void check_run();
   void run();
 
-- 
2.11.4.GIT