c++ - I can't seem to add a close button using Qt::WindowFlags -


i have following code called when insert qmdisubwindow qmdiarea:

qt::windowflags flags;  flags = qt::widget | qt::windowminimizebuttonhint | qt::windowtitlehint;  if(closeable) {     qdebug("window closeable. %x", qt::windowclosebuttonhint);     flags |= qt::windowclosebuttonhint; }

for reason, when closeable true, closebutton won't display on widget's titlebar.

this call insert widget qmdiarea.

mdi->addsubwindow(widget, flags);

any suggestions?

i found playing around window flags example included sdk lot of when trying flags correct.

c:\qtsdk\examples\4.7\widgets\windowflags\


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