diff options
Diffstat (limited to 'examples/widgets/layouts/flowlayout/flowlayout.cpp')
| -rw-r--r-- | examples/widgets/layouts/flowlayout/flowlayout.cpp | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/examples/widgets/layouts/flowlayout/flowlayout.cpp b/examples/widgets/layouts/flowlayout/flowlayout.cpp index 9203da0ba1..5c59ae025c 100644 --- a/examples/widgets/layouts/flowlayout/flowlayout.cpp +++ b/examples/widgets/layouts/flowlayout/flowlayout.cpp @@ -116,8 +116,7 @@ QLayoutItem *FlowLayout::takeAt(int index) { if (index >= 0 && index < itemList.size()) return itemList.takeAt(index); - else - return 0; + return nullptr; } //! [5] @@ -156,11 +155,11 @@ QSize FlowLayout::sizeHint() const QSize FlowLayout::minimumSize() const { QSize size; - QLayoutItem *item; - foreach (item, itemList) + for (const QLayoutItem *item : qAsConst(itemList)) size = size.expandedTo(item->minimumSize()); - size += QSize(2*margin(), 2*margin()); + const QMargins margins = contentsMargins(); + size += QSize(margins.left() + margins.right(), margins.top() + margins.bottom()); return size; } //! [8] @@ -177,9 +176,8 @@ int FlowLayout::doLayout(const QRect &rect, bool testOnly) const //! [9] //! [10] - QLayoutItem *item; - foreach (item, itemList) { - QWidget *wid = item->widget(); + for (QLayoutItem *item : qAsConst(itemList)) { + const QWidget *wid = item->widget(); int spaceX = horizontalSpacing(); if (spaceX == -1) spaceX = wid->style()->layoutSpacing( @@ -215,7 +213,7 @@ int FlowLayout::smartSpacing(QStyle::PixelMetric pm) const return -1; } else if (parent->isWidgetType()) { QWidget *pw = static_cast<QWidget *>(parent); - return pw->style()->pixelMetric(pm, 0, pw); + return pw->style()->pixelMetric(pm, nullptr, pw); } else { return static_cast<QLayout *>(parent)->spacing(); } |