Merge branch 'qt-4.8-from-4.7' of scm.dev.nokia.troll.no:qt/qt-integration into master-integration

* 'qt-4.8-from-4.7' of scm.dev.nokia.troll.no:qt/qt-integration:
  Doc: Fix example code
  Regression caused by 2be143ebb5246bb2f9b674bb09d23df5b2b6c504
  Accepting predicted text using hardware keyboard replaces unwanted part
  Fixes: the png_handle_cHRM crash bug in bundled libpng 1.5.4
  Workaround to VideoCore III scissor bug.
  Fix to QGLWidget crash
  Update def files
  Fix crash on exit when overriding signal handlers in states.
  Typo fix
  Add new signals to indicate GPU resource usage.
  symbian - search drives for translation files
  symbian - search drives for translation files
  Cannot flick to the end of a horizontal list view width LayoutMirroring
  Backport more imports directory caching changes.
  Symbian - fix deleteLater not working from RunL
  Fix more test DEPLOYMENT statements for Symbian
  Fix deployment for declarative tests, examples on Symbian
  Fix StrictlyEnforceRange with snapOneItem/Row and header behavior, pt 2
  Backport imports directory caching performance optimization

2 files changed, 64 insertions, 2 deletions

diff --git a/src/corelib/kernel/qeventdispatcher_symbian.cpp b/src/corelib/kernel/qeventdispatcher_symbian.cpp
index b216075..fca2feb 100644
--- a/src/corelib/kernel/qeventdispatcher_symbian.cpp
+++ b/src/corelib/kernel/qeventdispatcher_symbian.cpp
@@ -60,6 +60,24 @@ QT_BEGIN_NAMESPACE
 #define WAKE_UP_PRIORITY CActive::EPriorityStandard
 #define TIMER_PRIORITY CActive::EPriorityHigh
 
+class Incrementer {
+    int &variable;
+public:
+    inline Incrementer(int &variable) : variable(variable)
+    { ++variable; }
+    inline ~Incrementer()
+    { --variable; }
+};
+
+class Decrementer {
+    int &variable;
+public:
+    inline Decrementer(int &variable) : variable(variable)
+    { --variable; }
+    inline ~Decrementer()
+    { ++variable; }
+};
+
 static inline int qt_pipe_write(int socket, const char *data, qint64 len)
 {
 	return ::write(socket, data, len);
@@ -951,6 +969,8 @@ bool QEventDispatcherSymbian::processEvents ( QEventLoop::ProcessEventsFlags fla
 #endif
 
         while (1) {
+            //native active object callbacks are logically part of the event loop, so inc nesting level
+            Incrementer inc(d->threadData->loopLevel);
             if (block) {
                 // This is where Qt will spend most of its time.
                 CActiveScheduler::Current()->WaitForAnyRequest();
@@ -1045,6 +1065,7 @@ bool QEventDispatcherSymbian::processEvents ( QEventLoop::ProcessEventsFlags fla
 
 void QEventDispatcherSymbian::timerFired(int timerId)
 {
+    Q_D(QAbstractEventDispatcher);
     QHash<int, SymbianTimerInfoPtr>::iterator i = m_timerList.find(timerId);
     if (i == m_timerList.end()) {
         // The timer has been deleted. Ignore this event.
@@ -1063,6 +1084,8 @@ void QEventDispatcherSymbian::timerFired(int timerId)
     m_insideTimerEvent = true;
 
     QTimerEvent event(timerInfo->timerId);
+    //undo the added nesting level around RunIfReady, since Qt's event system also nests
+    Decrementer dec(d->threadData->loopLevel);
     QCoreApplication::sendEvent(timerInfo->receiver, &event);
 
     m_insideTimerEvent = oldInsideTimerEventValue;
@@ -1073,6 +1096,7 @@ void QEventDispatcherSymbian::timerFired(int timerId)
 
 void QEventDispatcherSymbian::wakeUpWasCalled()
 {
+    Q_D(QAbstractEventDispatcher);
     // The reactivation should happen in RunL, right before the call to this function.
     // This is because m_wakeUpDone is the "signal" that the object can be completed
     // once more.
@@ -1082,6 +1106,8 @@ void QEventDispatcherSymbian::wakeUpWasCalled()
     // the sendPostedEvents was done, but before the object was ready to be completed
     // again. This could deadlock the application if there are no other posted events.
     m_wakeUpDone.fetchAndStoreOrdered(0);
+    //undo the added nesting level around RunIfReady, since Qt's event system also nests
+    Decrementer dec(d->threadData->loopLevel);
     sendPostedEvents();
 }
 
diff --git a/src/corelib/kernel/qtranslator.cpp b/src/corelib/kernel/qtranslator.cpp
index d255422..dfc90e8 100644
--- a/src/corelib/kernel/qtranslator.cpp
+++ b/src/corelib/kernel/qtranslator.cpp
@@ -51,6 +51,7 @@
 #include "qcoreapplication.h"
 #include "qcoreapplication_p.h"
 #include "qdatastream.h"
+#include "qdir.h"
 #include "qfile.h"
 #include "qmap.h"
 #include "qalgorithms.h"
@@ -63,6 +64,10 @@
 #include "private/qcore_unix_p.h"
 #endif
 
+#ifdef Q_OS_SYMBIAN
+#include "private/qcore_symbian_p.h"
+#endif
+
 // most of the headers below are already included in qplatformdefs.h
 // also this lacks Large File support but that's probably irrelevant
 #if defined(QT_USE_MMAP)
@@ -405,11 +410,24 @@ bool QTranslator::load(const QString & filename, const QString & directory,
 
     QString prefix;
     if (QFileInfo(filename).isRelative()) {
+#ifdef Q_OS_SYMBIAN
+        if (directory.isEmpty())
+            prefix = QCoreApplication::applicationDirPath();
+        else
+            prefix = QFileInfo(directory).absoluteFilePath(); //TFindFile doesn't like dirty paths
+        if (prefix.length() > 2 && prefix.at(1) == QLatin1Char(':') && prefix.at(0).isLetter())
+            prefix[0] = QLatin1Char('Y');
+#else
         prefix = directory;
-	if (prefix.length() && !prefix.endsWith(QLatin1Char('/')))
-	    prefix += QLatin1Char('/');
+#endif
+        if (prefix.length() && !prefix.endsWith(QLatin1Char('/')))
+            prefix += QLatin1Char('/');
     }
 
+#ifdef Q_OS_SYMBIAN
+    QString nativePrefix = QDir::toNativeSeparators(prefix);
+#endif
+
     QString fname = filename;
     QString realname;
     QString delims;
@@ -418,6 +436,24 @@ bool QTranslator::load(const QString & filename, const QString & directory,
     for (;;) {
         QFileInfo fi;
 
+#ifdef Q_OS_SYMBIAN
+        //search for translations on other drives, e.g. Qt may be in Z, while app is in C
+        //note this uses symbian search rules, i.e. y:->a:, followed by z:
+        TFindFile finder(qt_s60GetRFs());
+        QString fname2 = fname + (suffix.isNull() ? QString::fromLatin1(".qm") : suffix);
+        TInt err = finder.FindByDir(
+            qt_QString2TPtrC(fname2),
+            qt_QString2TPtrC(nativePrefix));
+        if (err != KErrNone)
+            err = finder.FindByDir(qt_QString2TPtrC(fname), qt_QString2TPtrC(nativePrefix));
+        if (err == KErrNone) {
+            fi.setFile(qt_TDesC2QString(finder.File()));
+            realname = fi.canonicalFilePath();
+            if (fi.isReadable() && fi.isFile())
+                break;
+        }
+#endif
+
         realname = prefix + fname + (suffix.isNull() ? QString::fromLatin1(".qm") : suffix);
         fi.setFile(realname);
         if (fi.isReadable() && fi.isFile())