<![CDATA[QApplication::activeWindow() working incorrectly]]>Hello everyone!

QMessageBox::information(QApplication::activeWindow(),"Error",
                    query.lastError().text(),QMessageBox::Ok);

When I use this construct, the QMESSAGEBOX returns an empty one with no message. The message is sent from another class that does not have widgets.

]]>https://forum.qt.io/topic/125845/qapplication-activewindow-working-incorrectlyRSS for NodeMon, 20 Apr 2026 06:39:42 GMTMon, 19 Apr 2021 11:23:10 GMT60<![CDATA[Reply to QApplication::activeWindow() working incorrectly on Thu, 22 Apr 2021 09:43:34 GMT]]>@Christian-Ehrlicher

thanks for the help. Your tips helped solve the problem!

]]>https://forum.qt.io/post/655893https://forum.qt.io/post/655893Thu, 22 Apr 2021 09:43:34 GMT<![CDATA[Reply to QApplication::activeWindow() working incorrectly on Mon, 19 Apr 2021 12:06:23 GMT]]>Ok, fine. Can you create a minimal example to reproduce the problem? It looks like a QMessageBox in main() should also trigger your issue.

]]>https://forum.qt.io/post/655357https://forum.qt.io/post/655357Mon, 19 Apr 2021 12:06:23 GMT<![CDATA[Reply to QApplication::activeWindow() working incorrectly on Mon, 19 Apr 2021 12:04:29 GMT]]>@Christian-Ehrlicher I'm using version 6.0.2. Yes, in main thread

]]>https://forum.qt.io/post/655356https://forum.qt.io/post/655356Mon, 19 Apr 2021 12:04:29 GMT<![CDATA[Reply to QApplication::activeWindow() working incorrectly on Mon, 19 Apr 2021 11:55:33 GMT]]>What Qt version do you use? Is this called from the main thread?

]]>https://forum.qt.io/post/655355https://forum.qt.io/post/655355Mon, 19 Apr 2021 11:55:33 GMT<![CDATA[Reply to QApplication::activeWindow() working incorrectly on Mon, 19 Apr 2021 11:54:04 GMT]]>@Christian-Ehrlicher ук.PNG
instead of a window with an error message, I get just an empty window

]]>https://forum.qt.io/post/655354https://forum.qt.io/post/655354Mon, 19 Apr 2021 11:54:04 GMT<![CDATA[Reply to QApplication::activeWindow() working incorrectly on Mon, 19 Apr 2021 11:34:12 GMT]]>@iddqd-0 What happens if you don't set parent? Setting parent or not should not have any influence on the content of the message box. What does query.lastError().text() return?

]]>https://forum.qt.io/post/655352https://forum.qt.io/post/655352Mon, 19 Apr 2021 11:34:12 GMT<![CDATA[Reply to QApplication::activeWindow() working incorrectly on Mon, 19 Apr 2021 11:33:56 GMT]]>@iddqd-0 said in QApplication::activeWindow() working incorrectly:

QMESSAGEBOX returns an empty one with no message

What does this mean?

]]>https://forum.qt.io/post/655351https://forum.qt.io/post/655351Mon, 19 Apr 2021 11:33:56 GMT