diff options
Diffstat (limited to 'src/widgets/kernel/qlayout.cpp')
| -rw-r--r-- | src/widgets/kernel/qlayout.cpp | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/widgets/kernel/qlayout.cpp b/src/widgets/kernel/qlayout.cpp index e3f6a56875..f71d038a5f 100644 --- a/src/widgets/kernel/qlayout.cpp +++ b/src/widgets/kernel/qlayout.cpp @@ -109,7 +109,7 @@ static int menuBarHeightForWidth(QWidget *menubar, int w) /*! Constructs a new top-level QLayout, with parent \a parent. - \a parent may not be a \nullptr. + \a parent may not be \nullptr. The layout is set directly as the top-level layout for \a parent. There can be only one top-level layout for a @@ -419,9 +419,9 @@ void QLayout::setContentsMargins(const QMargins &margins) /*! \since 4.3 - Extracts the left, top, right, and bottom margins used around the - layout, and assigns them to *\a left, *\a top, *\a right, and *\a - bottom (unless they are null pointers). + For each of \a left, \a top, \a right and \a bottom that is not + \nullptr, stores the size of the margin named in the location the + pointer refers to. By default, QLayout uses the values provided by the style. On most platforms, the margin is 11 pixels in all directions. @@ -1156,6 +1156,8 @@ QLayoutItem *QLayout::replaceWidget(QWidget *from, QWidget *to, Qt::FindChildOpt Q_D(QLayout); if (!from || !to) return 0; + if (from == to) // Do not return a QLayoutItem for \a from, since ownership still + return nullptr; // belongs to the layout (since nothing was changed) int index = -1; QLayoutItem *item = 0; |