From f9128d973f60e225045bebb97a19d292395b865d Mon Sep 17 00:00:00 2001
From: Thierry Bastian <thierry.bastian@nokia.com>
Date: Fri, 10 Jul 2009 11:24:35 +0200
Subject: QDoubleSpinBox: make sure people can't choose too many decimals
Maximum number of decimals is DBL_MAX_10_EXP + DBL_DIG
Task-number: 257291
---
src/gui/widgets/qspinbox.cpp | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/src/gui/widgets/qspinbox.cpp b/src/gui/widgets/qspinbox.cpp
index e069a21..3933272 100644
--- a/src/gui/widgets/qspinbox.cpp
+++ b/src/gui/widgets/qspinbox.cpp
@@ -50,6 +50,7 @@
#include <qdebug.h>
#include <math.h>
+#include <float.h>
QT_BEGIN_NAMESPACE
@@ -823,8 +824,8 @@ void QDoubleSpinBox::setRange(double minimum, double maximum)
Sets how many decimals the spinbox will use for displaying and
interpreting doubles.
- \warning The results might not be reliable with very high values
- for \a decimals.
+ \warning The maximum value for \a decimals is DBL_MAX_10_EXP +
+ DBL_DIG (ie. 323) because of the limitations of the double type.
Note: The maximum, minimum and value might change as a result of
changing this property.
@@ -840,7 +841,7 @@ int QDoubleSpinBox::decimals() const
void QDoubleSpinBox::setDecimals(int decimals)
{
Q_D(QDoubleSpinBox);
- d->decimals = qMax(0, decimals);
+ d->decimals = qBound(0, decimals, DBL_MAX_10_EXP + DBL_DIG);
setRange(minimum(), maximum()); // make sure values are rounded
setValue(value());
--
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