Fix a small bugs in the example. +two small cleanups.

3 files changed, 7 insertions, 5 deletions

diff --git a/examples/graphicsview/flowlayout/flowlayout.cpp b/examples/graphicsview/flowlayout/flowlayout.cpp
index 9bbe8a4..d36c37f 100644
--- a/examples/graphicsview/flowlayout/flowlayout.cpp
+++ b/examples/graphicsview/flowlayout/flowlayout.cpp
@@ -74,6 +74,7 @@ QGraphicsLayoutItem *FlowLayout::itemAt(int index) const
 void FlowLayout::removeAt(int index)
 {
     m_items.removeAt(index);
+    invalidate();
 }
 
 qreal FlowLayout::spacing(Qt::Orientation o) const
@@ -95,7 +96,7 @@ void FlowLayout::setGeometry(const QRectF &geom)
     doLayout(geom, true);
 }
 
-qreal FlowLayout::doLayout(const QRectF &geom, bool applyNewGeometry)
+qreal FlowLayout::doLayout(const QRectF &geom, bool applyNewGeometry) const
 {
     QPointF tl = geom.topLeft();
     qreal maxw = geom.width();
@@ -139,8 +140,7 @@ QSizeF FlowLayout::minSize(const QSizeF &constraint) const
     qreal left, top, right, bottom;
     getContentsMargins(&left, &top, &right, &bottom);
     if (constraint.width() > 0) {   // height for width
-        FlowLayout *that = const_cast<FlowLayout *>(this);
-        qreal height = that->doLayout(QRectF(QPointF(0,0), constraint), false);
+        qreal height = doLayout(QRectF(QPointF(0,0), constraint), false);
         size = QSizeF(constraint.width(), height);
     } else {
         QGraphicsLayoutItem *item;
diff --git a/examples/graphicsview/flowlayout/flowlayout.h b/examples/graphicsview/flowlayout/flowlayout.h
index a78a83a..c1e5635 100644
--- a/examples/graphicsview/flowlayout/flowlayout.h
+++ b/examples/graphicsview/flowlayout/flowlayout.h
@@ -61,7 +61,7 @@ protected:
     QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const;
 
 private:
-    qreal doLayout(const QRectF &geom, bool applyNewGeometry);
+    qreal doLayout(const QRectF &geom, bool applyNewGeometry) const;
     QSizeF minSize(const QSizeF &constraint) const;
     QSizeF prefSize() const;
     QSizeF maxSize() const;
diff --git a/examples/graphicsview/flowlayout/window.cpp b/examples/graphicsview/flowlayout/window.cpp
index f14066e..dd53b56 100644
--- a/examples/graphicsview/flowlayout/window.cpp
+++ b/examples/graphicsview/flowlayout/window.cpp
@@ -48,7 +48,9 @@ Window::Window()
 : QGraphicsWidget(0, Qt::Window)
 {
     FlowLayout *lay = new FlowLayout;
-    QString sentence(QLatin1String("I am not bothered by the fact that I am unknown. I am bothered when I do not know others."));
+    QLatin1String wiseWords("I am not bothered by the fact that I am unknown."
+    "I am bothered when I do not know others. (Confucius)");
+    QString sentence(wiseWords);
     QStringList words = sentence.split(QLatin1Char(' '), QString::SkipEmptyParts);
     for (int i = 0; i < words.count(); ++i) {
         QGraphicsProxyWidget *proxy = new QGraphicsProxyWidget(this);