From 3f62a5e3998c1bf8b4aef6c7051004a648316d98 Mon Sep 17 00:00:00 2001
From: Pierluigi Vicinanza <pierv@carallon.com>
Date: Wed, 5 Jun 2013 17:00:03 +0100
Subject: [PATCH] WSpinBox bugfix: when using a pre/suffix in a WSpinBox, it
 will incorrectly be displayed as "invalid" (red background)

---
 src/Wt/WAbstractSpinBox.C | 10 ++++++++--
 src/Wt/WSpinBox.C         |  5 +++--
 2 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/src/Wt/WAbstractSpinBox.C b/src/Wt/WAbstractSpinBox.C
index fd23ce8..1f55c8d 100644
--- a/src/Wt/WAbstractSpinBox.C
+++ b/src/Wt/WAbstractSpinBox.C
@@ -70,12 +70,18 @@ bool WAbstractSpinBox::nativeControl() const
 
 void WAbstractSpinBox::setPrefix(const WString& prefix)
 {
-  prefix_ = prefix;
+  if (prefix_ != prefix) {
+    prefix_ = prefix;
+    setText(textFromValue());
+  }
 }
 
 void WAbstractSpinBox::setSuffix(const WString& suffix)
 {
-  suffix_ = suffix;
+  if (suffix_ != suffix) {
+    suffix_ = suffix;
+    setText(textFromValue());
+  }
 }
 
 void WAbstractSpinBox::render(WFlags<RenderFlag> flags)
diff --git a/src/Wt/WSpinBox.C b/src/Wt/WSpinBox.C
index f784c38..745ef13 100644
--- a/src/Wt/WSpinBox.C
+++ b/src/Wt/WSpinBox.C
@@ -16,8 +16,9 @@ WSpinBox::WSpinBox(WContainerWidget *parent)
     value_(-1),
     min_(0),
     max_(99),
-    step_(1)
-{ 
+    step_(1),
+    valueChanged_(this)
+{
   setValidator(createValidator());
   setValue(0);
 }
-- 
1.8.1.msysgit.1