[Differential] [Request, 154 lines] D4130: Let KConfigDialogManager get a property's change signal from the metaObject

[Friedrich W. H. Kossebau]

kossebau created this revision.
kossebau added a reviewer: Frameworks.
Restricted Application added a project: Frameworks.

REVISION SUMMARY
  KConfigDialogManager was possibly designed when there was no way to
  access the change signal of properties. So maintaining the signals
  and properties to use in separate global user-accessable tables might
  have been done as there was no other option.
  
  But this has flaws:
  
  - prevents per-widget-instance settings
  - different libs & plugins might do conflicting settings
  - requires explicit setup
  
  With modern Qt metaobject API instead the change signal can be
  fetched and used automatically.
  
  For backward-compatibility in KF5 this will be only a new option,
  those global maps should be removed on next ABI breakage.

TEST PLAN
  Old and new tests do not fail.

REPOSITORY
  R265 KConfigWidgets

BRANCH
  readChangeSignalFromMetaObject

REVISION DETAIL
  https://phabricator.kde.org/D4130

AFFECTED FILES
  autotests/kconfigdialog_unittest.cpp
  src/kconfigdialogmanager.cpp
  src/kconfigdialogmanager.h

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To: kossebau, #frameworks
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