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qplatforminputcontext.h file doesnot exist in qt 5.7
amruz last edited by kshegunov
i am trying to use a virtual keyboard in raspberry pi using a cross compiled qt. i am trying it in my laptop first.
when i am including the header
it is showing as
"no such file or directory"
i have tried by putting the following in the .pro file
QT += gui-private greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
and also the include path of the qpa file in my .pro.
the header file qplatforminputcontext.h is present in qtbase->incude->qtgui->5.7.0->qpa
why is it popping out such an error.
can anyone please help me with this
thanks in advance
VRonin last edited by
Any private part of Qt (for example this one) comes with a pretty clear disclaimer at the top:
// // W A R N I N G // ------------- // // This file is not part of the Qt API. It exists purely as an // implementation detail. This header file may change from version to // version without notice, or even be removed. // // We mean it. //
Have you tried checking if the file actually exists? I agree with @VRonin however that I don't see a good reason why you'd need the private headers to begin with. Here's what Thiago Macieira (Qt developer) says on the subject:
The only reason to subclass one of Qt's QXxxxPrivate classes is if you're
developing something as part of Qt.
If you're feeling adventurous, you may want to access one of those classes,
without deriving from them. But you're still accessing private API and you're
subject to the "We mean it" comment in the header. Your binary will be tagged
on Linux as "Qt5_PRIVATE_API" and Linux distros will give you a dirty look.