Fix warnings about not being able to set Window geometry on Windows.

Fully decorated windows cannot be smaller than 160x30 (Large fonts).
Enlarge Windows or remove Window frame  to get rid of decorations.

Task-number: QTBUG-28611
Change-Id: Idb6ee94fb8d0760d5f97042b3084557f11e9fdf9
Reviewed-by: Oliver Wolff <oliver.wolff@digia.com>
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/tests/auto/widgets/itemviews/qtreeview/tst_qtreeview.cpp b/tests/auto/widgets/itemviews/qtreeview/tst_qtreeview.cpp
index c4c8c348ff..cb7ca8f5c1 100644
--- a/tests/auto/widgets/itemviews/qtreeview/tst_qtreeview.cpp
+++ b/tests/auto/widgets/itemviews/qtreeview/tst_qtreeview.cpp
@@ -111,6 +111,16 @@ struct PublicView : public QTreeView
     QAbstractItemViewPrivate* aiv_priv() { return static_cast<QAbstractItemViewPrivate*>(d_ptr.data()); }
 };
 
+// Make a widget frameless to prevent size constraints of title bars
+// from interfering (Windows).
+static inline void setFrameless(QWidget *w)
+{
+    Qt::WindowFlags flags = w->windowFlags();
+    flags |= Qt::FramelessWindowHint;
+    flags &= ~(Qt::WindowTitleHint | Qt::WindowSystemMenuHint | Qt::WindowMinMaxButtonsHint | Qt::WindowCloseButtonHint);
+    w->setWindowFlags(flags);
+}
+
 class tst_QTreeView : public QObject
 {
     Q_OBJECT
@@ -877,6 +887,7 @@ void tst_QTreeView::horizontalScrollMode()
     }
 
     QTreeView view;
+    setFrameless(&view);
     view.setModel(&model);
     view.setFixedSize(100, 100);
     view.header()->resizeSection(0, 200);
@@ -3417,6 +3428,7 @@ void tst_QTreeView::task224091_appendColumns()
 {
     QStandardItemModel *model = new QStandardItemModel();
     QWidget* topLevel= new QWidget;
+    setFrameless(topLevel);
     QTreeView *treeView = new QTreeView(topLevel);
     treeView->setModel(model);
     topLevel->show();