5 files changed, 34 insertions, 8 deletions

diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp
index 475d4da..bf9f6f9 100644
--- a/src/gui/kernel/qwidget.cpp
+++ b/src/gui/kernel/qwidget.cpp
@@ -403,11 +403,24 @@ void QWidgetPrivate::scrollChildren(int dx, int dy)
     }
 }
 
+QInputContext *QWidgetPrivate::assignedInputContext() const
+{
+#ifndef QT_NO_IM
+    const QWidget *widget = q_func();
+    while (widget) {
+        if (QInputContext *qic = widget->d_func()->ic)
+            return qic;
+        widget = widget->parentWidget();
+    }
+#endif
+    return 0;
+}
+
 QInputContext *QWidgetPrivate::inputContext() const
 {
 #ifndef QT_NO_IM
-    if (ic)
-        return ic;
+    if (QInputContext *qic = assignedInputContext())
+        return qic;
     return qApp->inputContext();
 #else
     return 0;
@@ -10782,7 +10795,7 @@ void QWidget::setAttribute(Qt::WidgetAttribute attribute, bool on)
     case Qt::WA_InputMethodEnabled: {
 #ifndef QT_NO_IM
         QWidget *focusWidget = d->effectiveFocusWidget();
-        QInputContext *ic = focusWidget->d_func()->ic;
+        QInputContext *ic = focusWidget->d_func()->assignedInputContext();
         if (!ic && (!on || hasFocus()))
             ic = focusWidget->d_func()->inputContext();
         if (ic) {
@@ -11269,7 +11282,7 @@ void QWidget::updateMicroFocus()
 #if !defined(QT_NO_IM) && (defined(Q_WS_X11) || defined(Q_WS_QWS) || defined(Q_OS_SYMBIAN))
     Q_D(QWidget);
     // and optimization to update input context only it has already been created.
-    if (d->ic || qApp->d_func()->inputContext) {
+    if (d->assignedInputContext() || qApp->d_func()->inputContext) {
         QInputContext *ic = inputContext();
         if (ic)
             ic->update();
diff --git a/src/gui/kernel/qwidget_p.h b/src/gui/kernel/qwidget_p.h
index 0ac66cb..1083a1f 100644
--- a/src/gui/kernel/qwidget_p.h
+++ b/src/gui/kernel/qwidget_p.h
@@ -568,6 +568,7 @@ public:
     // sub-classes that their internals are about to be released.
     virtual void aboutToDestroy() {}
 
+    QInputContext *assignedInputContext() const;
     QInputContext *inputContext() const;
     inline QWidget *effectiveFocusWidget() {
         QWidget *w = q_func();
diff --git a/src/gui/kernel/qwidget_s60.cpp b/src/gui/kernel/qwidget_s60.cpp
index d8779c8..85164d2 100644
--- a/src/gui/kernel/qwidget_s60.cpp
+++ b/src/gui/kernel/qwidget_s60.cpp
@@ -54,7 +54,6 @@
 
 #ifdef Q_WS_S60
 #include <aknappui.h>
-#include <akntoolbar.h>
 #include <eikbtgpc.h>
 #endif
 
@@ -64,6 +63,19 @@
 // CCoeControl objects until after the CONE event handler has finished running.
 Q_DECLARE_METATYPE(WId)
 
+// Workaround for the fact that S60 SDKs 3.x do not contain the akntoolbar.h
+// header, even though the documentation says that it should be there, and indeed
+// it is present in the library.
+class CAknToolbar : public CAknControl,
+                    public MCoeControlObserver,
+                    public MCoeControlBackground,
+                    public MEikCommandObserver,
+                    public MAknFadedComponent
+{
+public:
+    IMPORT_C void SetToolbarVisibility(const TBool visible);
+};
+
 QT_BEGIN_NAMESPACE
 
 extern bool qt_nograb();
diff --git a/src/gui/painting/qdrawhelper_arm_simd.cpp b/src/gui/painting/qdrawhelper_arm_simd.cpp
index 806df29..af9854c 100644
--- a/src/gui/painting/qdrawhelper_arm_simd.cpp
+++ b/src/gui/painting/qdrawhelper_arm_simd.cpp
@@ -201,8 +201,8 @@ argb32constalpha_next_pixel
     uxtb16  r10, r9
     uxtb16  r6, r9, ror #8
 
-    // Negate r11 and extract src alpha
-    mvn     r9, r11 // bitwise not
+    // Negate r8 and extract src alpha
+    mvn     r9, r8 // bitwise not
     uxtb    r9, r9, ror #24
 
     mla     r10, r9, r10, r14
diff --git a/src/gui/styles/qstylesheetstyle.cpp b/src/gui/styles/qstylesheetstyle.cpp
index 4b591e2..ecf924c 100644
--- a/src/gui/styles/qstylesheetstyle.cpp
+++ b/src/gui/styles/qstylesheetstyle.cpp
@@ -4238,7 +4238,7 @@ void QStyleSheetStyle::drawPrimitive(PrimitiveElement pe, const QStyleOption *op
         return;
 
     case PE_Widget:
-        if (!rule.hasDrawable()) {
+        if (w && !rule.hasDrawable()) {
             QWidget *container = containerWidget(w);
             if (styleSheetCaches->autoFillDisabledWidgets.contains(container)
                 && (container == w || !renderRule(container, opt).hasBackground())) {