NSUInteger styleMask;
NSWindow *createdWindow = 0;
+ NSInteger windowLevel = -1;
+
+ if (type == Qt::Tool) {
+ windowLevel = NSFloatingWindowLevel;
+ } else if ((type & Qt::Popup) == Qt::Popup) {
+ // styleMask = NSBorderlessWindowMask;
+ windowLevel = NSPopUpMenuWindowLevel;
+
+ // Popup should be in at least the same level as its parent.
+ const QWindow * const transientParent = window()->transientParent();
+ const QCocoaWindow * const transientParentWindow = transientParent ? static_cast<QCocoaWindow *>(transientParent->handle()) : 0;
+ if (transientParentWindow)
+ windowLevel = qMax([transientParentWindow->m_nsWindow level], windowLevel);
+ }
+
+ // StayOnTop window should appear above Tool windows.
+ if (flags & Qt::WindowStaysOnTopHint)
+ windowLevel = NSPopUpMenuWindowLevel;
+ // Tooltips should appear above StayOnTop windows.
+ if (type == Qt::ToolTip)
+ windowLevel = NSScreenSaverWindowLevel;
+ // All other types are Normal level.
+ if (windowLevel == -1)
+ windowLevel = NSNormalWindowLevel;
// Use NSPanel for popup-type windows. (Popup, Tool, ToolTip, SplashScreen)
if ((type & Qt::Popup) == Qt::Popup) {
createdWindow = window;
}
+
+ [createdWindow setLevel:windowLevel];
+
return createdWindow;
}