diff options
| -rw-r--r-- | demos/embeddeddialogs/customproxy.cpp | 11 | ||||
| -rw-r--r-- | src/gui/widgets/qcombobox.cpp | 24 |
2 files changed, 22 insertions, 13 deletions
diff --git a/demos/embeddeddialogs/customproxy.cpp b/demos/embeddeddialogs/customproxy.cpp index 56a0548..ed2fc76 100644 --- a/demos/embeddeddialogs/customproxy.cpp +++ b/demos/embeddeddialogs/customproxy.cpp @@ -111,8 +111,15 @@ bool CustomProxy::sceneEventFilter(QGraphicsItem *watched, QEvent *event) QVariant CustomProxy::itemChange(GraphicsItemChange change, const QVariant &value) { - if (change == ItemChildRemovedChange) - removeSceneEventFilter(this); + if (change == ItemChildAddedChange || change == ItemChildRemovedChange) { + QGraphicsItem *item = qVariantValue<QGraphicsItem *>(value); + if (change == ItemChildAddedChange) { + item->setCacheMode(ItemCoordinateCache); + item->installSceneEventFilter(this); + } else { + item->removeSceneEventFilter(this); + } + } return QGraphicsProxyWidget::itemChange(change, value); } diff --git a/src/gui/widgets/qcombobox.cpp b/src/gui/widgets/qcombobox.cpp index 09a51fe..b9dbc62 100644 --- a/src/gui/widgets/qcombobox.cpp +++ b/src/gui/widgets/qcombobox.cpp @@ -2572,19 +2572,21 @@ void QComboBox::changeEvent(QEvent *e) hidePopup(); break; case QEvent::PaletteChange: { - QStyleOptionComboBox opt; - initStyleOption(&opt); + if (d->container) { + QStyleOptionComboBox opt; + initStyleOption(&opt); #ifndef QT_NO_MENU - if (style()->styleHint(QStyle::SH_ComboBox_Popup, &opt, this)) { - QMenu menu; - menu.ensurePolished(); - d->viewContainer()->setPalette(menu.palette()); - d->viewContainer()->setWindowOpacity(menu.windowOpacity()); - } else + if (style()->styleHint(QStyle::SH_ComboBox_Popup, &opt, this)) { + QMenu menu; + menu.ensurePolished(); + d->viewContainer()->setPalette(menu.palette()); + d->viewContainer()->setWindowOpacity(menu.windowOpacity()); + } else #endif - { - d->viewContainer()->setPalette(palette()); - d->viewContainer()->setWindowOpacity(1.0); + { + d->viewContainer()->setPalette(palette()); + d->viewContainer()->setWindowOpacity(1.0); + } } break; } |