[Interest] Linux and Windows 7. Full screen widget.

[Alexander Syvak]

Hello,

here's the snippet of the code used

auto const full_screen_rect = QApplication::desktop()->screenGeometry(); //
N.B. !!! Returns the geometry of the screen with index\ screen. // The
default screen is used if screen is -1.

ptrn_qualifier_wdg->setGeometry(full_screen_rect); // resize the
widget to the whole screen

ptrn_qualifier_wdg->showFullScreen();//showMaximized(); // make it visible

ptrn_qualifier_wdg->raise(); // put it onto the stack top

ptrn_qualifier_wdg->activateWindow(); // set the focus to the widget
ensured it's on the stack top


When the showMaximized() is used in Windows 7, it indeed takes the whole
screen, but on OpenSUSE, e.g. it shows the taskbar.
When showFullScreen() is called, it works. Can anybody explain it step by
step in details?
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