macOS: Activate non-modal windows during modal session if they support it

Commit 593ab638609e ensured that non-modal windows would not be activated
during a modal session, which makes sense for windows that can't be
interacted with. But some windows can, and we should activate them
as normal.

Task-number: QTBUG-46304
Change-Id: I4a9b7ec53157b042d4d6e9535336fa3254f41e0e
Reviewed-by: Timur Pocheptsov <timur.pocheptsov@qt.io>

1 files changed, 5 insertions, 2 deletions

diff --git a/src/plugins/platforms/cocoa/qcocoawindow.mm b/src/plugins/platforms/cocoa/qcocoawindow.mm
index 79dfe58a4e..5ddbfe4377 100644
--- a/src/plugins/platforms/cocoa/qcocoawindow.mm
+++ b/src/plugins/platforms/cocoa/qcocoawindow.mm
@@ -376,8 +376,11 @@ void QCocoaWindow::setVisible(bool visible)
                 } else if (window()->modality() == Qt::ApplicationModal) {
                     // Show the window as application modal
                     eventDispatcher()->beginModalSession(window());
-                } else if (m_view.window.canBecomeKeyWindow && !eventDispatcher()->hasModalSession()) {
-                    [m_view.window makeKeyAndOrderFront:nil];
+                } else if (m_view.window.canBecomeKeyWindow) {
+                    if (!NSApp.modalWindow || m_view.window.worksWhenModal)
+                        [m_view.window makeKeyAndOrderFront:nil];
+                    else
+                        [m_view.window orderFront:nil];
                 } else {
                     [m_view.window orderFront:nil];
                 }