The previoud input handlers have complicated architecture
to handle various types of inputs and also due to the previous
graphs' architecture.
This introduces a new approach which uses the quick handlers
for any types of input and also uses signal-slot based event
handling instead of setting custom input handlers.
Fixes: QTBUG-114451
Change-Id: I981ac8042fa43d20581605f4c42b25e9d0aa465d
Reviewed-by: Tomi Korpipää <tomi.korpipaa@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
qdoc expects a common installation directory for all examples in a
documentation project.
Fixes: QTBUG-120562
Pick-to: 6.7
Change-Id: Iafcc3b1867e62179aabe991e6d4013dafaf61678
Reviewed-by: Tomi Korpipää <tomi.korpipaa@qt.io>