D9881: Replace deprecated QSignalMapper by lambda expressions

[Christoph Roick]

croick created this revision.
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REVISION SUMMARY
  - QSignalMapper can mostly be replaced using straightforward lambdas, reducing the code size
  - exception: connecting to a DBus signal is only possible by macros, requiring a proxy class which remembers the sender

TEST PLAN
  - switch scope and arrangement of problems in ProblemView
  - create an application using the AppWizard
  - add a compiler
  - switch representation of register variables
  - add code to an existing file using a file template
  - open a file with an external application
  - switch to header/source file using the context menu action
  - track changes of a variable in the debugger
  - status bar seems to work
  - untested: runcontroller, DrKonqi debugging

REPOSITORY
  R32 KDevelop

BRANCH
  deprSignalMapper

REVISION DETAIL
  https://phabricator.kde.org/D9881

AFFECTED FILES
  kdevplatform/debugger/variable/variabletooltip.cpp
  kdevplatform/debugger/variable/variablewidget.cpp
  kdevplatform/debugger/variable/variablewidget.h
  kdevplatform/shell/problemmodel.h
  kdevplatform/shell/runcontroller.cpp
  kdevplatform/shell/statusbar.cpp
  kdevplatform/shell/statusbar.h
  plugins/appwizard/appwizarddialog.cpp
  plugins/appwizard/appwizarddialog.h
  plugins/custom-definesandincludes/compilerprovider/widget/compilerswidget.cpp
  plugins/custom-definesandincludes/compilerprovider/widget/compilerswidget.h
  plugins/debuggercommon/midebuggerplugin.cpp
  plugins/debuggercommon/midebuggerplugin.h
  plugins/debuggercommon/registers/registersview.cpp
  plugins/debuggercommon/registers/registersview.h
  plugins/filetemplates/outputpage.cpp
  plugins/openwith/openwithplugin.cpp
  plugins/openwith/openwithplugin.h
  plugins/problemreporter/problemsview.cpp
  plugins/switchtobuddy/switchtobuddyplugin.cpp
  plugins/switchtobuddy/switchtobuddyplugin.h

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