c++ - Qt4: Making fullscreen window impossible to get around (a lock screen)? -

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my application os lock screen (like gdm's lock screen or kde's), i'm trying make function one.

i trying make application's window hover above all other windows , disable/intercept keyboard shortcuts (alt-tab, ctrl-alt-d, etc.) cause disappear.

is there way this? i'm 100% sure there is, lock screens guis exist, can't find place look...

i don't know how qt, looking called grabbing. can grab pointer input device keyboard.

edit: looking in qt4 docs, have tried use qwidget::grabmouse? looks function want.


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