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fsStayOnTop non-modal window cannot get active in Qt

Original Reporter info from Mantis: kluug.net @onpok
  • Reporter name: Ondrej Pokorny

Description:

fsStayOnTop non-modal window cannot get active in Qt

Steps to reproduce:

1.) Show an fsStayOnTop non-modal window.
2.) Switch to a different application with Alt+Tab or mouse.
3.) Switch back to the fsStayOnTop non-modal window with Alt+Tab or mouse. You'll see that the form can't get active/focused.

Additional information:

See the attached screencast and test project. The code is:

procedure TForm1.Button1Click(Sender: TObject);
var
  Form2: TForm;
begin
  Form2 := TForm.CreateNew(Self);
  Form2.Position := poDesigned;
  Form2.Left := 0;
  Form2.Top := 0;
  Form2.FormStyle := fsStayOnTop;
  Form2.Show;
end;

Mantis conversion info:

  • Mantis ID: 29294
  • OS: Kubuntu Linux
  • Build: trunk
  • Platform: Linux
  • Version: 1.7 (SVN)
  • Target version: 2.2