diff options
Diffstat (limited to 'src/widgets/kernel/qgridlayout.cpp')
| -rw-r--r-- | src/widgets/kernel/qgridlayout.cpp | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/src/widgets/kernel/qgridlayout.cpp b/src/widgets/kernel/qgridlayout.cpp index b4ac263c2b..e2777b65d4 100644 --- a/src/widgets/kernel/qgridlayout.cpp +++ b/src/widgets/kernel/qgridlayout.cpp @@ -149,14 +149,14 @@ public: QRect cellRect(int row, int col) const; inline QLayoutItem *itemAt(int index) const { - if (index < things.count()) + if (index >= 0 && index < things.count()) return things.at(index)->item(); else return nullptr; } inline QLayoutItem *takeAt(int index) { Q_Q(QGridLayout); - if (index < things.count()) { + if (index >= 0 && index < things.count()) { if (QGridBox *b = things.takeAt(index)) { QLayoutItem *item = b->takeItem(); if (QLayout *l = item->layout()) { @@ -184,7 +184,7 @@ public: } void getItemPosition(int index, int *row, int *column, int *rowSpan, int *columnSpan) const { - if (index < things.count()) { + if (index >= 0 && index < things.count()) { const QGridBox *b = things.at(index); int toRow = b->toRow(rr); int toCol = b->toCol(cc); @@ -1073,6 +1073,12 @@ QRect QGridLayoutPrivate::cellRect(int row, int col) const Constructs a new QGridLayout with parent widget, \a parent. The layout has one row and one column initially, and will expand when new items are inserted. + + The layout is set directly as the top-level layout for \a parent. + There can be only one top-level layout for a widget. It is returned + by QWidget::layout(). + + \sa QWidget::setLayout() */ QGridLayout::QGridLayout(QWidget *parent) : QLayout(*new QGridLayoutPrivate, nullptr, parent) |