D9464: KCM: add support for non-integer output scaling

[Daniel Vrátil]

dvratil created this revision.
dvratil added reviewers: sebas, davidedmundson.
Restricted Application added a project: Plasma.
Restricted Application added a subscriber: plasma-devel.

REVISION SUMMARY
  The KCM only supported integer scaling factors, but with XRandR we actually can
  (and want to) support non-integer scaling factors. To accommodate for that, a
  QDoubleSpinBox is used instead of a QComboBox in the KCM when the backend
  reports that it supports non-integer scaling factors.

REPOSITORY
  R104 KScreen

REVISION DETAIL
  https://phabricator.kde.org/D9464

AFFECTED FILES
  CMakeLists.txt
  console/console.cpp
  kcm/src/controlpanel.cpp
  kcm/src/kcm_kscreen.cpp
  kcm/src/outputconfig.cpp
  kcm/src/outputconfig.h

To: dvratil, sebas, davidedmundson
Cc: plasma-devel, ZrenBot, progwolff, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, mart
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