diff options
| -rw-r--r-- | src/gui/kernel/qwidget_mac.mm | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/gui/kernel/qwidget_mac.mm b/src/gui/kernel/qwidget_mac.mm index ec9a049..f96d061 100644 --- a/src/gui/kernel/qwidget_mac.mm +++ b/src/gui/kernel/qwidget_mac.mm @@ -1526,12 +1526,16 @@ void QWidgetPrivate::toggleDrawers(bool visible) *****************************************************************************/ bool QWidgetPrivate::qt_mac_update_sizer(QWidget *w, int up) { + // I'm not sure what "up" is if(!w || !w->isWindow()) return false; QTLWExtra *topData = w->d_func()->topData(); QWExtra *extraData = w->d_func()->extraData(); - topData->resizer += up; + // topData->resizer is only 4 bits, so subtracting -1 from zero causes bad stuff + // to happen, prevent that here (you really want the thing hidden). + if (up >= 0 || topData->resizer != 0) + topData->resizer += up; OSWindowRef windowRef = qt_mac_window_for(OSViewRef(w->winId())); { #ifndef QT_MAC_USE_COCOA @@ -1544,7 +1548,6 @@ bool QWidgetPrivate::qt_mac_update_sizer(QWidget *w, int up) bool remove_grip = (topData->resizer || (w->windowFlags() & Qt::FramelessWindowHint) || (extraData->maxw && extraData->maxh && extraData->maxw == extraData->minw && extraData->maxh == extraData->minh)); - #ifndef QT_MAC_USE_COCOA WindowAttributes attr; GetWindowAttributes(windowRef, &attr); |