diff options
| author | Christian Ehrlicher <ch.ehrlicher@gmx.de> | 2018-08-30 20:08:12 +0200 |
|---|---|---|
| committer | Christian Ehrlicher <ch.ehrlicher@gmx.de> | 2018-09-09 12:03:51 +0000 |
| commit | cd499b72973a4a01d12e2e3ba66e7e16ac1feeb4 (patch) | |
| tree | b08c910e56eaeafba3fda35e1e796249c2233f03 /src | |
| parent | 8b3a6cfbfb21a71b8efc2e3a91006712238db6fe (diff) | |
QLayout: Better document QLayout(QWidget *parent) behavior
QLayout(QWidget *parent) directly calls parent->setLayout(this) which
can lead to a runtime warning later on when someone tries to set the
layout on the parent again.
Task-number: QTBUG-69761
Change-Id: I21ef8895fd65f3e23e57527a6d38936e45417b63
Reviewed-by: Paul Wicking <paul.wicking@qt.io>
Reviewed-by: Venugopal Shivashankar <Venugopal.Shivashankar@qt.io>
Diffstat (limited to 'src')
| -rw-r--r-- | src/widgets/kernel/qlayout.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/widgets/kernel/qlayout.cpp b/src/widgets/kernel/qlayout.cpp index 80ea27fee8..eac5674161 100644 --- a/src/widgets/kernel/qlayout.cpp +++ b/src/widgets/kernel/qlayout.cpp @@ -109,10 +109,11 @@ static int menuBarHeightForWidth(QWidget *menubar, int w) /*! Constructs a new top-level QLayout, with parent \a parent. - \a parent may not be 0. + \a parent may not be a \c nullptr. - There can be only one top-level layout for a widget. It is - returned by QWidget::layout(). + 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(). */ QLayout::QLayout(QWidget *parent) : QObject(*new QLayoutPrivate, parent) |