Merge commit 'qt/master-stable'

Conflicts:
	configure.exe
	qmake/Makefile.unix
	qmake/generators/makefile.cpp
	src/corelib/global/qglobal.h
	src/corelib/kernel/kernel.pri
	src/corelib/kernel/qcoreevent.cpp
	src/corelib/kernel/qsharedmemory_unix.cpp
	src/gui/graphicsview/qgraphicsscene.cpp
	src/gui/kernel/qaction.cpp
	src/gui/kernel/qaction.h
	src/gui/kernel/qaction_p.h
	src/gui/kernel/qapplication.cpp
	src/gui/kernel/qapplication.h
	src/gui/kernel/qwidget.cpp
	src/gui/kernel/qwidget.h
	src/gui/kernel/qwidget_mac.mm
	src/gui/painting/qgraphicssystemfactory.cpp
	src/gui/styles/qwindowsstyle.cpp
	src/gui/text/qfontengine_qpf.cpp
	src/gui/widgets/qabstractscrollarea_p.h
	src/network/access/qnetworkaccessdebugpipebackend.cpp
	src/network/socket/qlocalsocket_unix.cpp
	src/network/socket/qnativesocketengine_p.h
	src/network/socket/qnativesocketengine_unix.cpp
	src/openvg/qpaintengine_vg.cpp
	tests/auto/q3sqlcursor/tst_q3sqlcursor.cpp
	tests/auto/qcssparser/qcssparser.pro
	tests/auto/qdir/tst_qdir.cpp
	tests/auto/qfile/tst_qfile.cpp
	tests/auto/qobject/tst_qobject.cpp
	tests/auto/qpathclipper/qpathclipper.pro
	tests/auto/qprocess/tst_qprocess.cpp
	tests/auto/qsettings/tst_qsettings.cpp
	tests/auto/qsharedpointer/qsharedpointer.pro
	tests/auto/qsqlquerymodel/qsqlquerymodel.pro
	tests/auto/qsqlrelationaltablemodel/qsqlrelationaltablemodel.pro
	tests/auto/qsqltablemodel/qsqltablemodel.pro
	tests/auto/qsqlthread/qsqlthread.pro
	tests/auto/qwidget/tst_qwidget.cpp

7 files changed, 91 insertions, 70 deletions

diff --git a/src/sql/drivers/db2/qsql_db2.cpp b/src/sql/drivers/db2/qsql_db2.cpp
index 1a823776b9..474c53dc4f 100644
--- a/src/sql/drivers/db2/qsql_db2.cpp
+++ b/src/sql/drivers/db2/qsql_db2.cpp
@@ -51,10 +51,6 @@
 #include <qvector.h>
 #include <QDebug>
 
-#ifndef UNICODE
-#define UNICODE
-#endif
-
 #if defined(Q_CC_BOR)
 // DB2's sqlsystm.h (included through sqlcli1.h) defines the SQL_BIGINT_TYPE
 // and SQL_BIGUINT_TYPE to wrong the types for Borland; so do the defines to
@@ -63,6 +59,8 @@
 #define SQL_BIGUINT_TYPE quint64
 #endif
 
+#define UNICODE
+
 #include <sqlcli1.h>
 
 #include <string.h>
@@ -111,22 +109,14 @@ public:
 
 static QString qFromTChar(SQLTCHAR* str)
 {
-#ifdef UNICODE
     return QString::fromUtf16(str);
-#else
-    return QString::fromLocal8Bit((const char*) str);
-#endif
 }
 
 // dangerous!! (but fast). Don't use in functions that
 // require out parameters!
 static SQLTCHAR* qToTChar(const QString& str)
 {
-#ifdef UNICODE
     return (SQLTCHAR*)str.utf16();
-#else
-    return (unsigned char*) str.ascii();
-#endif
 }
 
 static QString qWarnDB2Handle(int handleType, SQLHANDLE handle)
@@ -347,12 +337,8 @@ static QString qGetStringData(SQLHANDLE hStmt, int column, int colSize, bool& is
 
     while (true) {
         r = SQLGetData(hStmt,
-                        column+1,
-#ifdef UNICODE
+                        column + 1,
                         SQL_C_WCHAR,
-#else
-                        SQL_C_CHAR,
-#endif
                         (SQLPOINTER)buf,
                         colSize * sizeof(SQLTCHAR),
                         &lengthIndicator);
@@ -740,7 +726,6 @@ bool QDB2Result::exec()
                                       ind);
                 break; }
             case QVariant::String:
-#ifdef UNICODE
             {
                 QString str(values.at(i).toString());
                 if (*ind != SQL_NULL_DATA)
@@ -774,8 +759,6 @@ bool QDB2Result::exec()
                 }
                 break;
             }
-#endif
-            // fall through
             default: {
                 QByteArray ba = values.at(i).toString().toAscii();
                 int len = ba.length() + 1;
@@ -849,12 +832,9 @@ bool QDB2Result::exec()
             case QVariant::ByteArray:
                 break;
             case QVariant::String:
-#ifdef UNICODE
                 if (bindValueType(i) & QSql::Out)
                     values[i] = QString::fromUtf16((ushort*)tmpStorage.takeFirst().constData());
                 break;
-#endif
-                // fall through
             default: {
                 values[i] = QString::fromAscii(tmpStorage.takeFirst().constData());
                 break; }
@@ -1542,13 +1522,7 @@ bool QDB2Driver::hasFeature(DriverFeature f) const
         case FinishQuery:
             return true;
         case Unicode:
-        // this is the query that shows the codepage for the types:
-        // select typename, codepage from syscat.datatypes
-#ifdef UNICODE
             return true;
-#else
-            return false;
-#endif
     }
     return false;
 }
diff --git a/src/sql/drivers/odbc/qsql_odbc.cpp b/src/sql/drivers/odbc/qsql_odbc.cpp
index e91ca56a48..2df0073e0a 100644
--- a/src/sql/drivers/odbc/qsql_odbc.cpp
+++ b/src/sql/drivers/odbc/qsql_odbc.cpp
@@ -89,7 +89,8 @@ public:
     enum DefaultCase{Lower, Mixed, Upper, Sensitive};
     QODBCDriverPrivate()
     : hEnv(0), hDbc(0), useSchema(false), disconnectCount(0), isMySqlServer(false),
-           isMSSqlServer(false), hasSQLFetchScroll(true), hasMultiResultSets(false)
+           isMSSqlServer(false), hasSQLFetchScroll(true), hasMultiResultSets(false),
+           isQuoteInitialized(false), quote(QLatin1Char('"'))
     {
         unicode = false;
     }
@@ -116,7 +117,10 @@ public:
                              QString &schema, QString &table);
     DefaultCase defaultCase() const;
     QString adjustCase(const QString&) const;
-    QChar quoteChar() const;
+    QChar quoteChar();
+private:
+    bool isQuoteInitialized;
+    QChar quote;
 };
 
 class QODBCPrivate
@@ -566,10 +570,8 @@ static int qGetODBCVersion(const QString &connOpts)
     return SQL_OV_ODBC2;
 }
 
-QChar QODBCDriverPrivate::quoteChar() const
+QChar QODBCDriverPrivate::quoteChar()
 {
-    static bool isQuoteInitialized = false;
-    static QChar quote = QChar::fromLatin1('"');
     if (!isQuoteInitialized) {
         char driverResponse[4];
         SQLSMALLINT length;
@@ -579,9 +581,9 @@ QChar QODBCDriverPrivate::quoteChar() const
                 sizeof(driverResponse),
                 &length);
         if (r == SQL_SUCCESS || r == SQL_SUCCESS_WITH_INFO) {
-            quote = QChar::fromLatin1(driverResponse[0]);
+            quote = QLatin1Char(driverResponse[0]);
         } else {
-            quote = QChar::fromLatin1('"');
+            quote = QLatin1Char('"');
         }
         isQuoteInitialized = true;
     }
@@ -1781,7 +1783,7 @@ bool QODBCDriver::open(const QString & db,
 
     if (!d->checkDriver()) {
         setLastError(qMakeError(tr("Unable to connect - Driver doesn't support all "
-                     "needed functionality"), QSqlError::ConnectionError, d));
+                     "functionality required"), QSqlError::ConnectionError, d));
         setOpenError(true);
         return false;
     }
@@ -1845,14 +1847,7 @@ void QODBCDriverPrivate::checkUnicode()
     unicode = false;
     return;
 #endif
-#if defined(Q_WS_WIN)
-    QT_WA(
-    {},
-    {
-        unicode = false;
-        return;
-    })
-#endif
+
     SQLRETURN   r;
     SQLUINTEGER fFunc;
 
diff --git a/src/sql/drivers/psql/qsql_psql.cpp b/src/sql/drivers/psql/qsql_psql.cpp
index 2c67c8def3..c61c526d9f 100644
--- a/src/sql/drivers/psql/qsql_psql.cpp
+++ b/src/sql/drivers/psql/qsql_psql.cpp
@@ -54,11 +54,33 @@
 #include <qstringlist.h>
 #include <qmutex.h>
 
+
 #include <libpq-fe.h>
 #include <pg_config.h>
 
 #include <stdlib.h>
 #include <math.h>
+// below code taken from an example at http://www.gnu.org/software/hello/manual/autoconf/Function-Portability.html
+#ifndef isnan
+    # define isnan(x) \
+        (sizeof (x) == sizeof (long double) ? isnan_ld (x) \
+        : sizeof (x) == sizeof (double) ? isnan_d (x) \
+        : isnan_f (x))
+    static inline int isnan_f  (float       x) { return x != x; }
+    static inline int isnan_d  (double      x) { return x != x; }
+    static inline int isnan_ld (long double x) { return x != x; }
+#endif
+
+#ifndef isinf
+    # define isinf(x) \
+        (sizeof (x) == sizeof (long double) ? isinf_ld (x) \
+        : sizeof (x) == sizeof (double) ? isinf_d (x) \
+        : isinf_f (x))
+    static inline int isinf_f  (float       x) { return isnan (x - x); }
+    static inline int isinf_d  (double      x) { return isnan (x - x); }
+    static inline int isinf_ld (long double x) { return isnan (x - x); }
+#endif
+
 
 // workaround for postgres defining their OIDs in a private header file
 #define QBOOLOID 16
@@ -601,10 +623,9 @@ static QPSQLDriver::Protocol getPSQLVersion(PGconn* connection)
 {
     QPSQLDriver::Protocol serverVersion = QPSQLDriver::Version6;
     PGresult* result = PQexec(connection, "select version()");
-    int status =  PQresultStatus(result);
+    int status = PQresultStatus(result);
     if (status == PGRES_COMMAND_OK || status == PGRES_TUPLES_OK) {
         QString val = QString::fromAscii(PQgetvalue(result, 0, 0));
-        PQclear(result);
         QRegExp rx(QLatin1String("(\\d+)\\.(\\d+)"));
         rx.setMinimal(true); // enforce non-greedy RegExp
         if (rx.indexIn(val) != -1) {
@@ -645,6 +666,7 @@ static QPSQLDriver::Protocol getPSQLVersion(PGconn* connection)
             }
         }
     }
+    PQclear(result);
 
     if (serverVersion < QPSQLDriver::Version71)
         qWarning("This version of PostgreSQL is not supported and may not work.");
@@ -1161,6 +1183,21 @@ QString QPSQLDriver::formatValue(const QSqlField &field, bool trimStrings) const
             qPQfreemem(data);
             break;
         }
+        case QVariant::Double: {
+            double val = field.value().toDouble();
+            if (isnan(val))
+                r = QLatin1String("'NaN'");
+            else {
+                int res = isinf(val);
+                if (res == 1)
+                    r = QLatin1String("'Infinity'");
+                else if (res == -1)
+                    r = QLatin1String("'-Infinity'");
+                else
+                    r = QSqlDriver::formatValue(field, trimStrings);
+            }
+            break;
+        }
         default:
             r = QSqlDriver::formatValue(field, trimStrings);
             break;
diff --git a/src/sql/drivers/sqlite2/qsql_sqlite2.cpp b/src/sql/drivers/sqlite2/qsql_sqlite2.cpp
index 1989c4526d..d30e82c880 100644
--- a/src/sql/drivers/sqlite2/qsql_sqlite2.cpp
+++ b/src/sql/drivers/sqlite2/qsql_sqlite2.cpp
@@ -388,7 +388,7 @@ bool QSQLite2Driver::open(const QString & db, const QString &, const QString &,
     char* err = 0;
     d->access = sqlite_open(QFile::encodeName(db), 0, &err);
     if (err) {
-        setLastError(QSqlError(tr("Error to open database"), QString::fromAscii(err),
+        setLastError(QSqlError(tr("Error opening database"), QString::fromAscii(err),
                      QSqlError::ConnectionError));
         sqlite_freemem(err);
         err = 0;
@@ -463,7 +463,7 @@ bool QSQLite2Driver::rollbackTransaction()
     if (res == SQLITE_OK)
         return true;
 
-    setLastError(QSqlError(tr("Unable to rollback Transaction"),
+    setLastError(QSqlError(tr("Unable to rollback transaction"),
                            QString::fromAscii(err), QSqlError::TransactionError, res));
     sqlite_freemem(err);
     return false;
diff --git a/src/sql/kernel/qsqldatabase.cpp b/src/sql/kernel/qsqldatabase.cpp
index 5aef39eb3b..4950303455 100644
--- a/src/sql/kernel/qsqldatabase.cpp
+++ b/src/sql/kernel/qsqldatabase.cpp
@@ -1481,18 +1481,21 @@ QString QSqlDatabase::connectionName() const
 }
 
 /*!
-  Sets the default numerical precision policy used by queries created
-  on this database connection to \a precisionPolicy.
+    \since 4.6
 
-  Note: Drivers that don't support fetching numerical values with low
-  precision will ignore the precision policy. You can use
-  QSqlDriver::hasFeature() to find out whether a driver supports this
-  feature.
+    Sets the default numerical precision policy used by queries created
+    on this database connection to \a precisionPolicy.
 
-  Note: Setting the default precision policy to \a precisionPolicy
-  doesn't affect any currently active queries.
+    Note: Drivers that don't support fetching numerical values with low
+    precision will ignore the precision policy. You can use
+    QSqlDriver::hasFeature() to find out whether a driver supports this
+    feature.
 
-  \sa QSql::NumericalPrecisionPolicy, numericalPrecisionPolicy(), QSqlQuery::setNumericalPrecisionPolicy(), QSqlQuery::numericalPrecisionPolicy()
+    Note: Setting the default precision policy to \a precisionPolicy
+    doesn't affect any currently active queries.
+
+    \sa QSql::NumericalPrecisionPolicy, numericalPrecisionPolicy(),
+    QSqlQuery::setNumericalPrecisionPolicy(), QSqlQuery::numericalPrecisionPolicy()
 */
 void QSqlDatabase::setNumericalPrecisionPolicy(QSql::NumericalPrecisionPolicy precisionPolicy)
 {
@@ -1502,9 +1505,12 @@ void QSqlDatabase::setNumericalPrecisionPolicy(QSql::NumericalPrecisionPolicy pr
 }
 
 /*!
-  Returns the current default precision policy for the database connection.
+    \since 4.6
+
+    Returns the current default precision policy for the database connection.
 
-  \sa QSql::NumericalPrecisionPolicy, setNumericalPrecisionPolicy(), QSqlQuery::numericalPrecisionPolicy(), QSqlQuery::setNumericalPrecisionPolicy()
+    \sa QSql::NumericalPrecisionPolicy, setNumericalPrecisionPolicy(), 
+    QSqlQuery::numericalPrecisionPolicy(), QSqlQuery::setNumericalPrecisionPolicy()
 */
 QSql::NumericalPrecisionPolicy QSqlDatabase::numericalPrecisionPolicy() const
 {
diff --git a/src/sql/kernel/qsqldriver.cpp b/src/sql/kernel/qsqldriver.cpp
index 77e389fd3b..ca0da66da5 100644
--- a/src/sql/kernel/qsqldriver.cpp
+++ b/src/sql/kernel/qsqldriver.cpp
@@ -865,6 +865,8 @@ QStringList QSqlDriver::subscribedToNotificationsImplementation() const
 }
 
 /*!
+    \since 4.6
+
     This slot returns whether \a identifier is escaped according to the database rules.
     \a identifier can either be a table name or field name, dependent
     on \a type.
@@ -876,7 +878,6 @@ QStringList QSqlDriver::subscribedToNotificationsImplementation() const
     slot in your own QSqlDriver if your database engine uses a different
     delimiter character.
 
-    \since 4.5
     \sa isIdentifierEscaped()
  */
 bool QSqlDriver::isIdentifierEscapedImplementation(const QString &identifier, IdentifierType type) const
@@ -888,6 +889,8 @@ bool QSqlDriver::isIdentifierEscapedImplementation(const QString &identifier, Id
 }
 
 /*!
+    \since 4.6
+
     This slot returns \a identifier with the leading and trailing delimiters removed,
     \a identifier can either be a tablename or field name, dependent on \a type.
     If \a identifier does not have leading and trailing delimiter characters, \a
@@ -898,7 +901,6 @@ bool QSqlDriver::isIdentifierEscapedImplementation(const QString &identifier, Id
     dynamically detect and call \e this slot.  It generally unnecessary
     to reimplement this slot.
 
-    \since 4.5
     \sa stripDelimiters()
  */
 QString QSqlDriver::stripDelimitersImplementation(const QString &identifier, IdentifierType type) const
@@ -914,13 +916,16 @@ QString QSqlDriver::stripDelimitersImplementation(const QString &identifier, Ide
 }
 
 /*!
-  Sets the default numerical precision policy used by queries created
-  by this driver to \a precisionPolicy.
+    \since 4.6
+
+    Sets the default numerical precision policy used by queries created
+    by this driver to \a precisionPolicy.
 
-  Note: Setting the default precision policy to \a precisionPolicy
-  doesn't affect any currently active queries.
+    Note: Setting the default precision policy to \a precisionPolicy
+    doesn't affect any currently active queries.
 
-  \sa QSql::NumericalPrecisionPolicy, numericalPrecisionPolicy(), QSqlQuery::setNumericalPrecisionPolicy(), QSqlQuery::numericalPrecisionPolicy()
+    \sa QSql::NumericalPrecisionPolicy, numericalPrecisionPolicy(), 
+    QSqlQuery::setNumericalPrecisionPolicy(), QSqlQuery::numericalPrecisionPolicy()
 */
 void QSqlDriver::setNumericalPrecisionPolicy(QSql::NumericalPrecisionPolicy precisionPolicy)
 {
@@ -928,9 +933,12 @@ void QSqlDriver::setNumericalPrecisionPolicy(QSql::NumericalPrecisionPolicy prec
 }
 
 /*!
-  Returns the current default precision policy for the database connection.
+    \since 4.6
+
+    Returns the current default precision policy for the database connection.
 
-  \sa QSql::NumericalPrecisionPolicy, setNumericalPrecisionPolicy(), QSqlQuery::numericalPrecisionPolicy(), QSqlQuery::setNumericalPrecisionPolicy()
+    \sa QSql::NumericalPrecisionPolicy, setNumericalPrecisionPolicy(), 
+    QSqlQuery::numericalPrecisionPolicy(), QSqlQuery::setNumericalPrecisionPolicy()
 */
 QSql::NumericalPrecisionPolicy QSqlDriver::numericalPrecisionPolicy() const
 {
diff --git a/src/sql/models/qsqltablemodel.cpp b/src/sql/models/qsqltablemodel.cpp
index 156af26880..4315a8cb07 100644
--- a/src/sql/models/qsqltablemodel.cpp
+++ b/src/sql/models/qsqltablemodel.cpp
@@ -205,7 +205,7 @@ bool QSqlTableModelPrivate::exec(const QString &stmt, bool prepStatement,
                 editQuery.addBindValue(rec.value(i));
         }
         for (i = 0; i < whereValues.count(); ++i) {
-            if (whereValues.isGenerated(i))
+            if (whereValues.isGenerated(i) && !whereValues.isNull(i))
                 editQuery.addBindValue(whereValues.value(i));
         }
 
@@ -538,6 +538,7 @@ bool QSqlTableModel::setData(const QModelIndex &index, const QVariant &value, in
         isOk = updateRowInTable(index.row(), d->editBuffer);
         if (isOk)
             select();
+        emit dataChanged(index, index);
         break; }
     case OnRowChange:
         if (index.row() == d->insertIndex) {