Merge remote-tracking branch 'origin/5.7' into dev

Conflicts:
	examples/corelib/ipc/ipc.pro
	src/plugins/platforms/xcb/qxcbbackingstore.cpp
	tests/auto/corelib/tools/qcommandlineparser/tst_qcommandlineparser.cpp

Change-Id: Ia006e10ff1732fe78f90138c41f05b59b49486cf

2 files changed, 19 insertions, 2 deletions

diff --git a/src/widgets/itemviews/qabstractitemview.cpp b/src/widgets/itemviews/qabstractitemview.cpp
index da4492a684..6c38c53a77 100644
--- a/src/widgets/itemviews/qabstractitemview.cpp
+++ b/src/widgets/itemviews/qabstractitemview.cpp
@@ -782,7 +782,13 @@ void QAbstractItemView::setSelectionModel(QItemSelectionModel *selectionModel)
         return;
     }
 
+    QItemSelection oldSelection;
+    QModelIndex oldCurrentIndex;
+
     if (d->selectionModel) {
+        oldSelection = d->selectionModel->selection();
+        oldCurrentIndex = d->selectionModel->currentIndex();
+
         disconnect(d->selectionModel, SIGNAL(selectionChanged(QItemSelection,QItemSelection)),
                    this, SLOT(selectionChanged(QItemSelection,QItemSelection)));
         disconnect(d->selectionModel, SIGNAL(currentChanged(QModelIndex,QModelIndex)),
@@ -796,6 +802,9 @@ void QAbstractItemView::setSelectionModel(QItemSelectionModel *selectionModel)
                 this, SLOT(selectionChanged(QItemSelection,QItemSelection)));
         connect(d->selectionModel, SIGNAL(currentChanged(QModelIndex,QModelIndex)),
                 this, SLOT(currentChanged(QModelIndex,QModelIndex)));
+
+        selectionChanged(d->selectionModel->selection(), oldSelection);
+        currentChanged(d->selectionModel->currentIndex(), oldCurrentIndex);
     }
 }
 
@@ -2972,7 +2981,11 @@ void QAbstractItemView::keyboardSearch(const QString &search)
                         : d->model->index(0, 0, d->root);
     bool skipRow = false;
     bool keyboardTimeWasValid = d->keyboardInputTime.isValid();
-    qint64 keyboardInputTimeElapsed = d->keyboardInputTime.restart();
+    qint64 keyboardInputTimeElapsed;
+    if (keyboardTimeWasValid)
+        keyboardInputTimeElapsed = d->keyboardInputTime.restart();
+    else
+        d->keyboardInputTime.start();
     if (search.isEmpty() || !keyboardTimeWasValid
         || keyboardInputTimeElapsed > QApplication::keyboardInputInterval()) {
         d->keyboardInput = search;
diff --git a/src/widgets/itemviews/qtreeview.cpp b/src/widgets/itemviews/qtreeview.cpp
index 3568d937ff..e9d866525d 100644
--- a/src/widgets/itemviews/qtreeview.cpp
+++ b/src/widgets/itemviews/qtreeview.cpp
@@ -1024,7 +1024,11 @@ void QTreeView::keyboardSearch(const QString &search)
 
     bool skipRow = false;
     bool keyboardTimeWasValid = d->keyboardInputTime.isValid();
-    qint64 keyboardInputTimeElapsed = d->keyboardInputTime.restart();
+    qint64 keyboardInputTimeElapsed;
+    if (keyboardTimeWasValid)
+        keyboardInputTimeElapsed = d->keyboardInputTime.restart();
+    else
+        d->keyboardInputTime.start();
     if (search.isEmpty() || !keyboardTimeWasValid
         || keyboardInputTimeElapsed > QApplication::keyboardInputInterval()) {
         d->keyboardInput = search;