1 files changed, 20 insertions, 20 deletions

diff --git a/src/widgets/widgets/qdatetimeedit.cpp b/src/widgets/widgets/qdatetimeedit.cpp
index cfba2cc87f..b168c98410 100644
--- a/src/widgets/widgets/qdatetimeedit.cpp
+++ b/src/widgets/widgets/qdatetimeedit.cpp
@@ -52,6 +52,8 @@
 #include <qset.h>
 #include <qstyle.h>
 
+#include <algorithm>
+
 #ifndef QT_NO_DATETIMEEDIT
 
 //#define QDATETIMEEDIT_QDTEDEBUG
@@ -246,9 +248,10 @@ void QDateTimeEdit::setDateTime(const QDateTime &datetime)
     Q_D(QDateTimeEdit);
     if (datetime.isValid()) {
         d->clearCache();
+        const QDate date = datetime.date();
         if (!(d->sections & DateSections_Mask))
-            setDateRange(datetime.date(), datetime.date());
-        d->setValue(QDateTime(datetime.date(), datetime.time(), d->spec), EmitIfChanged);
+            setDateRange(date, date);
+        d->setValue(QDateTime(date, datetime.time(), d->spec), EmitIfChanged);
     }
 }
 
@@ -861,14 +864,6 @@ QString QDateTimeEdit::displayFormat() const
     return isRightToLeft() ? d->unreversedFormat : d->displayFormat;
 }
 
-template<typename C> static inline C reverse(const C &l)
-{
-    C ret;
-    for (int i=l.size() - 1; i>=0; --i)
-        ret.append(l.at(i));
-    return ret;
-}
-
 void QDateTimeEdit::setDisplayFormat(const QString &format)
 {
     Q_D(QDateTimeEdit);
@@ -882,8 +877,8 @@ void QDateTimeEdit::setDisplayFormat(const QString &format)
                 d->displayFormat += d->sectionNode(i).format();
             }
             d->displayFormat += d->separators.at(0);
-            d->separators = reverse(d->separators);
-            d->sectionNodes = reverse(d->sectionNodes);
+            std::reverse(d->separators.begin(), d->separators.end());
+            std::reverse(d->sectionNodes.begin(), d->sectionNodes.end());
         }
 
         d->formatExplicitlySet = true;
@@ -1776,15 +1771,18 @@ void QDateTimeEditPrivate::setSelected(int sectionIndex, bool forward)
 
 int QDateTimeEditPrivate::sectionAt(int pos) const
 {
-    if (pos < separators.first().size()) {
+    if (pos < separators.first().size())
         return (pos == 0 ? FirstSectionIndex : NoSectionIndex);
-    } else if (displayText().size() - pos < separators.last().size() + 1) {
+
+    const QString text = displayText();
+    const int textSize = text.size();
+    if (textSize - pos < separators.last().size() + 1) {
         if (separators.last().size() == 0) {
             return sectionNodes.count() - 1;
         }
-        return (pos == displayText().size() ? LastSectionIndex : NoSectionIndex);
+        return (pos == textSize ? LastSectionIndex : NoSectionIndex);
     }
-    updateCache(value, displayText());
+    updateCache(value, text);
 
     for (int i=0; i<sectionNodes.size(); ++i) {
         const int tmp = sectionPos(i);
@@ -1805,12 +1803,14 @@ int QDateTimeEditPrivate::sectionAt(int pos) const
 int QDateTimeEditPrivate::closestSection(int pos, bool forward) const
 {
     Q_ASSERT(pos >= 0);
-    if (pos < separators.first().size()) {
+    if (pos < separators.first().size())
         return forward ? 0 : FirstSectionIndex;
-    } else if (displayText().size() - pos < separators.last().size() + 1) {
+
+    const QString text = displayText();
+    if (text.size() - pos < separators.last().size() + 1)
         return forward ? LastSectionIndex : sectionNodes.size() - 1;
-    }
-    updateCache(value, displayText());
+
+    updateCache(value, text);
     for (int i=0; i<sectionNodes.size(); ++i) {
         const int tmp = sectionPos(sectionNodes.at(i));
         if (pos < tmp + sectionSize(i)) {