diff options
Diffstat (limited to 'src/widgets/widgets/qmdisubwindow.cpp')
| -rw-r--r-- | src/widgets/widgets/qmdisubwindow.cpp | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/src/widgets/widgets/qmdisubwindow.cpp b/src/widgets/widgets/qmdisubwindow.cpp index 794674c427..e25bc6de7a 100644 --- a/src/widgets/widgets/qmdisubwindow.cpp +++ b/src/widgets/widgets/qmdisubwindow.cpp @@ -2268,7 +2268,7 @@ QMdiSubWindow::QMdiSubWindow(QWidget *parent, Qt::WindowFlags flags) setMouseTracking(true); setLayout(new QVBoxLayout); setFocusPolicy(Qt::StrongFocus); - layout()->setMargin(0); + layout()->setContentsMargins(QMargins()); d->updateGeometryConstraints(); setAttribute(Qt::WA_Resized, false); d->titleBarPalette = d->desktopPalette(); @@ -2576,7 +2576,8 @@ void QMdiSubWindow::showSystemMenu() /*! \since 4.4 - Returns the area containing this sub-window, or 0 if there is none. + Returns the area containing this sub-window, or \nullptr if there + is none. \sa QMdiArea::addSubWindow() */ @@ -2590,7 +2591,7 @@ QMdiArea *QMdiSubWindow::mdiArea() const } parent = parent->parentWidget(); } - return 0; + return nullptr; } /*! @@ -3341,8 +3342,11 @@ void QMdiSubWindow::mouseMoveEvent(QMouseEvent *mouseEvent) } if ((mouseEvent->buttons() & Qt::LeftButton) || d->isInInteractiveMode) { - if ((d->isResizeOperation() && d->resizeEnabled) || (d->isMoveOperation() && d->moveEnabled)) - d->setNewGeometry(mapToParent(mouseEvent->pos())); + if ((d->isResizeOperation() && d->resizeEnabled) || (d->isMoveOperation() && d->moveEnabled)) { + // As setNewGeometry moves the window, it invalidates the pos() value of any mouse move events that are + // currently queued in the event loop. Map to parent using globalPos() instead. + d->setNewGeometry(parentWidget()->mapFromGlobal(mouseEvent->globalPos())); + } return; } |