diff options
| -rw-r--r-- | src/widgets/widgets/qdockwidget.cpp | 13 | ||||
| -rw-r--r-- | src/widgets/widgets/qdockwidget_p.h | 1 |
2 files changed, 14 insertions, 0 deletions
diff --git a/src/widgets/widgets/qdockwidget.cpp b/src/widgets/widgets/qdockwidget.cpp index 53cb21186f..f51e3c7988 100644 --- a/src/widgets/widgets/qdockwidget.cpp +++ b/src/widgets/widgets/qdockwidget.cpp @@ -1024,6 +1024,12 @@ void QDockWidgetPrivate::nonClientAreaMouseEvent(QMouseEvent *event) } } +void QDockWidgetPrivate::recalculatePressPos(QResizeEvent *event) +{ + qreal ratio = event->oldSize().width() / (1.0 * event->size().width()); + state->pressPos.setX(state->pressPos.x() / ratio); +} + /*! \internal Called when the QDockWidget or the QDockWidgetGroupWindow is moved */ @@ -1540,6 +1546,13 @@ bool QDockWidget::event(QEvent *event) // if the mainwindow is plugging us, we don't want to update undocked geometry if (isFloating() && layout != 0 && layout->pluggingWidget != this) d->undockedGeometry = geometry(); + + // Usually the window won't get resized while it's being moved, but it can happen, + // for example on Windows when moving to a screen with bigger scale factor + // (and Qt::AA_EnableHighDpiScaling is enabled). If that happens we should + // update state->pressPos, otherwise it will be outside the window when the window shrinks. + if (d->state && d->state->dragging) + d->recalculatePressPos(static_cast<QResizeEvent*>(event)); break; default: break; diff --git a/src/widgets/widgets/qdockwidget_p.h b/src/widgets/widgets/qdockwidget_p.h index 94a3ad3b34..84bf8efacf 100644 --- a/src/widgets/widgets/qdockwidget_p.h +++ b/src/widgets/widgets/qdockwidget_p.h @@ -118,6 +118,7 @@ public: void startDrag(bool group = true); void endDrag(bool abort = false); void moveEvent(QMoveEvent *event); + void recalculatePressPos(QResizeEvent *event); void unplug(const QRect &rect); void plug(const QRect &rect); |