Merge commit 'qt/master-stable'

Conflicts:
	src/corelib/kernel/qobject.cpp
	src/corelib/tools/qsharedpointer_impl.h
	src/gui/widgets/qdatetimeedit.cpp
	src/gui/widgets/qlinecontrol.cpp
	src/gui/widgets/qlineedit.cpp
	tests/auto/qcssparser/qcssparser.pro
	tests/auto/qicoimageformat/tst_qicoimageformat.cpp
	tests/auto/qmultiscreen/qmultiscreen.pro
	tests/auto/qresourceengine/qresourceengine.pro
	tests/auto/qresourceengine/tst_qresourceengine.cpp
	tests/auto/qscriptv8testsuite/tst_qscriptv8testsuite.cpp

1 files changed, 10 insertions, 2 deletions

diff --git a/src/gui/itemviews/qabstractitemview.cpp b/src/gui/itemviews/qabstractitemview.cpp
index 9ad9da7..e63d1aa 100644
--- a/src/gui/itemviews/qabstractitemview.cpp
+++ b/src/gui/itemviews/qabstractitemview.cpp
@@ -961,7 +961,8 @@ void QAbstractItemView::reset()
     d->currentIndexSet = false;
     setState(NoState);
     setRootIndex(QModelIndex());
-    d->selectionModel->reset();
+    if (d->selectionModel)
+        d->selectionModel->reset();
 }
 
 /*!
@@ -2653,7 +2654,7 @@ void QAbstractItemView::keyboardSearch(const QString &search)
     if (search.isEmpty()
         || (d->keyboardInputTime.msecsTo(now) > QApplication::keyboardInputInterval())) {
         d->keyboardInput = search;
-        skipRow = true;
+        skipRow = currentIndex().isValid(); //if it is not valid we should really start at QModelIndex(0,0)
     } else {
         d->keyboardInput += search;
     }
@@ -2680,6 +2681,7 @@ void QAbstractItemView::keyboardSearch(const QString &search)
     QModelIndex current = start;
     QModelIndexList match;
     QModelIndex firstMatch;
+    QModelIndex startMatch;
     QModelIndexList previous;
     do {
         match = d->model->match(current, Qt::DisplayRole, searchString);
@@ -2696,6 +2698,12 @@ void QAbstractItemView::keyboardSearch(const QString &search)
             if (row >= d->model->rowCount(firstMatch.parent()))
                 row = 0;
             current = firstMatch.sibling(row, firstMatch.column());
+
+            //avoid infinite loop if all the matching items are disabled.
+            if (!startMatch.isValid())
+                startMatch = firstMatch;
+            else if (startMatch == firstMatch)
+                break;
         }
     } while (current != start && firstMatch.isValid());
 }