D26476: [kstyle] Remove shadows in Qt 4 style plugin

[Vlad Zahorodnii]

zzag created this revision.
zzag added reviewers: KWin, Plasma.
Herald added a project: Plasma.
Herald added a subscriber: plasma-devel.
zzag requested review of this revision.

REVISION SUMMARY
  KWindowSystem cannot be used in the Qt 4 style plugin. On the other hand,
  we need to use KWindowSystem to make QWidget-based internal clients in
  KWin cast drop-shadows.
  
  This change drops support for drop-shadows in the Qt 4 style plugin because
  maintaining both platform-dependent and platform-independent way of setting
  shadows on widgets will be troublesome and technically challenging.

REPOSITORY
  R31 Breeze

REVISION DETAIL
  https://phabricator.kde.org/D26476

AFFECTED FILES
  CMakeLists.txt
  kstyle/CMakeLists.txt
  kstyle/breezeshadowhelper.cpp
  kstyle/breezestyle.cpp
  kstyle/breezestyle.h
  libbreezecommon/CMakeLists.txt
  libbreezecommon/breezeboxshadowrenderer.cpp
  libbreezecommon/config-breezecommon.h.cmake

To: zzag, #kwin, #plasma
Cc: plasma-devel, LeGast00n, The-Feren-OS-Dev, jraleigh, zachus, fbampaloukas, GB_2, ragreen, ZrenBot, ngraham, alexeymin, himcesjf, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, ahiemstra, mart
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