Merge branch 4.7 into qt-4.8-from-4.7

3 files changed, 7 insertions, 3 deletions

diff --git a/src/gui/kernel/qwidget_s60.cpp b/src/gui/kernel/qwidget_s60.cpp
index 1e99687..5ab3d00 100644
--- a/src/gui/kernel/qwidget_s60.cpp
+++ b/src/gui/kernel/qwidget_s60.cpp
@@ -795,7 +795,7 @@ void QWidgetPrivate::setParent_sys(QWidget *parent, Qt::WindowFlags f)
     adjustFlags(data.window_flags, q);
     // keep compatibility with previous versions, we need to preserve the created state
     // (but we recreate the winId for the widget being reparented, again for compatibility)
-    if (wasCreated || (!q->isWindow() && parent->testAttribute(Qt::WA_WState_Created)))
+    if (wasCreated || (!q->isWindow() && parent && parent->testAttribute(Qt::WA_WState_Created)))
         createWinId();
     if (q->isWindow() || (!parent || parent->isVisible()) || explicitlyHidden)
         q->setAttribute(Qt::WA_WState_Hidden);
diff --git a/src/gui/text/qtextcontrol.cpp b/src/gui/text/qtextcontrol.cpp
index 4396730..8c09b5b 100644
--- a/src/gui/text/qtextcontrol.cpp
+++ b/src/gui/text/qtextcontrol.cpp
@@ -1579,8 +1579,10 @@ void QTextControlPrivate::mousePressEvent(QEvent *e, Qt::MouseButton button, con
             emit q->cursorPositionChanged();
         _q_updateCurrentCharFormatAndSelection();
     } else {
-        if (cursor.position() != oldCursorPos)
+        if (cursor.position() != oldCursorPos) {
             emit q->cursorPositionChanged();
+            emit q->microFocusChanged();
+        }
         selectionChanged();
     }
     repaintOldAndNewSelection(oldSelection);
diff --git a/src/gui/widgets/qlinecontrol.cpp b/src/gui/widgets/qlinecontrol.cpp
index 4fb0f0c..e530222 100644
--- a/src/gui/widgets/qlinecontrol.cpp
+++ b/src/gui/widgets/qlinecontrol.cpp
@@ -435,6 +435,8 @@ void QLineControl::processInputMethodEvent(QInputMethodEvent *event)
         c += event->commitString().length() - qMin(-event->replacementStart(), event->replacementLength());
 
     m_cursor += event->replacementStart();
+    if (m_cursor < 0)
+        m_cursor = 0;
 
     // insert commit string
     if (event->replacementLength()) {
@@ -447,7 +449,7 @@ void QLineControl::processInputMethodEvent(QInputMethodEvent *event)
         cursorPositionChanged = true;
     }
 
-    m_cursor = qMin(c, m_text.length());
+    m_cursor = qBound(0, c, m_text.length());
 
     for (int i = 0; i < event->attributes().size(); ++i) {
         const QInputMethodEvent::Attribute &a = event->attributes().at(i);