diff options
Diffstat (limited to 'src/gui/kernel/qwindow.cpp')
| -rw-r--r-- | src/gui/kernel/qwindow.cpp | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/gui/kernel/qwindow.cpp b/src/gui/kernel/qwindow.cpp index e85d8379fa..4436884359 100644 --- a/src/gui/kernel/qwindow.cpp +++ b/src/gui/kernel/qwindow.cpp @@ -165,6 +165,14 @@ void QWindow::setVisible(bool visible) return; d->visible = visible; emit visibleChanged(visible); + if (QCoreApplication::instance() && !transientParent()) { + QCoreApplicationPrivate *applicationPrivate = static_cast<QCoreApplicationPrivate*>(QObjectPrivate::get(QCoreApplication::instance())); + if (visible) { + applicationPrivate->ref(); + } else { + applicationPrivate->deref(); + } + } if (!d->platformWindow) create(); @@ -499,7 +507,19 @@ void QWindow::setWindowState(Qt::WindowState state) void QWindow::setTransientParent(QWindow *parent) { Q_D(QWindow); + + QWindow *previousParent = d->transientParent; + d->transientParent = parent; + + if (QCoreApplication::instance() && d->visible) { + QCoreApplicationPrivate *applicationPrivate = static_cast<QCoreApplicationPrivate*>(QObjectPrivate::get(QCoreApplication::instance())); + if (parent && !previousParent) { + applicationPrivate->deref(); + } else if (!parent && previousParent) { + applicationPrivate->ref(); + } + } } QWindow *QWindow::transientParent() const |