Remove some qBinaryFind usages from QtGui

This is done per the mailing list discussion at
http://www.mail-archive.com/development@qt-project.org/msg01603.html

Change-Id: Iecb921cd778571d24680254566e9aa8fc8d5edff
Reviewed-by: Gunnar Sletta <gunnar.sletta@digia.com>

src/gui/text/qcssparser.cpp

@@ -51,6 +51,8 @@
 #include <qimagereader.h>
 #include "private/qfunctions_p.h"
 
+#include <algorithm>
+
 #ifndef QT_NO_CSSPARSER
 
 QT_BEGIN_NAMESPACE
@@ -358,8 +360,8 @@ Q_STATIC_GLOBAL_OPERATOR bool operator<(const QCssKnownValue &prop, const QStrin
 static quint64 findKnownValue(const QString &name, const QCssKnownValue *start, int numValues)
 {
     const QCssKnownValue *end = &start[numValues - 1];
-    const QCssKnownValue *prop = qBinaryFind(start, end, name);
-    if (prop == end)
+    const QCssKnownValue *prop = std::lower_bound(start, end, name);
+    if ((prop == end) || (name < *prop))
         return 0;
     return prop->id;
 }

src/gui/text/qfontsubset.cpp

@@ -101,8 +101,8 @@ QByteArray QFontSubset::glyphName(unsigned short unicode, bool symbol)
         // map from latin1 to symbol
         unicode = symbol_map[unicode];
 
-    const AGLEntry *r = qBinaryFind(unicode_to_agl_map, unicode_to_agl_map + unicode_to_agl_map_size, unicode);
-    if (r != unicode_to_agl_map + unicode_to_agl_map_size)
+    const AGLEntry *r = std::lower_bound(unicode_to_agl_map, unicode_to_agl_map + unicode_to_agl_map_size, unicode);
+    if ((r != unicode_to_agl_map + unicode_to_agl_map_size) && !(unicode < *r))
         return glyph_names + r->index;
 
     char buffer[8];

src/gui/text/qtextengine.cpp

@@ -2969,7 +2969,10 @@ void QTextEngine::resolveAdditionalFormats() const
         }
         while (endIt != addFormatSortedByEnd.constEnd() &&
             specialData->addFormats.at(*endIt).start + specialData->addFormats.at(*endIt).length < end) {
-            currentFormats.remove(qBinaryFind(currentFormats, *endIt) - currentFormats.begin());
+            int *currentFormatIterator = std::lower_bound(currentFormats.begin(), currentFormats.end(), *endIt);
+            if (*endIt < *currentFormatIterator)
+                currentFormatIterator = currentFormats.end();
+            currentFormats.remove(currentFormatIterator - currentFormats.begin());
             ++endIt;
         }
         QTextCharFormat format;

src/gui/text/qtexthtmlparser.cpp

@@ -55,6 +55,8 @@
 #include "qfont_p.h"
 #include "private/qfunctions_p.h"
 
+#include <algorithm>
+
 #ifndef QT_NO_TEXTHTMLPARSER
 
 QT_BEGIN_NAMESPACE
@@ -336,8 +338,8 @@ static QChar resolveEntity(const QString &entity)
 {
     const QTextHtmlEntity *start = &entities[0];
     const QTextHtmlEntity *end = &entities[MAX_ENTITY];
-    const QTextHtmlEntity *e = qBinaryFind(start, end, entity);
-    if (e == end)
+    const QTextHtmlEntity *e = std::lower_bound(start, end, entity);
+    if (e == end || (entity < *e))
         return QChar();
     return e->code;
 }
@@ -456,8 +458,8 @@ static const QTextHtmlElement *lookupElementHelper(const QString &element)
 {
     const QTextHtmlElement *start = &elements[0];
     const QTextHtmlElement *end = &elements[Html_NumElements];
-    const QTextHtmlElement *e = qBinaryFind(start, end, element);
-    if (e == end)
+    const QTextHtmlElement *e = std::lower_bound(start, end, element);
+    if ((e == end) || (element < *e))
         return 0;
     return e;
 }

src/gui/text/qtexttable.cpp

@@ -393,10 +393,10 @@ int QTextTablePrivate::findCellIndex(int fragment) const
 {
     QFragmentFindHelper helper(pieceTable->fragmentMap().position(fragment),
                               pieceTable->fragmentMap());
-    QList<int>::ConstIterator it = qBinaryFind(cells.begin(), cells.end(), helper);
-    if (it == cells.end())
+    QList<int>::ConstIterator it = std::lower_bound(cells.constBegin(), cells.constEnd(), helper);
+    if ((it == cells.constEnd()) || (helper < *it))
         return -1;
-    return it - cells.begin();
+    return it - cells.constBegin();
 }
 
 void QTextTablePrivate::fragmentAdded(QChar type, uint fragment)
@@ -1048,8 +1048,9 @@ void QTextTable::mergeCells(int row, int column, int numRows, int numCols)
 
     // find the position at which to insert the contents of the merged cells
     QFragmentFindHelper helper(origCellPosition, p->fragmentMap());
-    QList<int>::Iterator it = qBinaryFind(d->cells.begin(), d->cells.end(), helper);
+    QList<int>::Iterator it = std::lower_bound(d->cells.begin(), d->cells.end(), helper);
     Q_ASSERT(it != d->cells.end());
+    Q_ASSERT(!(helper < *it));
     Q_ASSERT(*it == cellFragment);
     const int insertCellIndex = it - d->cells.begin();
     int insertFragment = d->cells.value(insertCellIndex + 1, d->fragment_end);
@@ -1080,8 +1081,9 @@ void QTextTable::mergeCells(int row, int column, int numRows, int numCols)
 
             if (firstCellIndex == -1) {
                 QFragmentFindHelper helper(pos, p->fragmentMap());
-                QList<int>::Iterator it = qBinaryFind(d->cells.begin(), d->cells.end(), helper);
+                QList<int>::Iterator it = std::lower_bound(d->cells.begin(), d->cells.end(), helper);
                 Q_ASSERT(it != d->cells.end());
+                Q_ASSERT(!(helper < *it));
                 Q_ASSERT(*it == fragment);
                 firstCellIndex = cellIndex = it - d->cells.begin();
             }