D28356: Applies the KDE1-style 'Classik' titlebar button icon style to Breeze, Breeze-GTK and Breeze-Icons

[Paul McAuley]

paulm created this revision.
paulm added reviewers: VDG, Breeze, hpereiradacosta.
paulm added a project: Breeze.
Herald added a project: Plasma.
Herald added a subscriber: plasma-devel.
paulm requested review of this revision.

REVISION SUMMARY
  As described in T12793 <https://phabricator.kde.org/T12793> , this patch applies the KDE1-style 'Classik' titlebar icon styles to Breeze.
  
  For Breeze it modifies both kdecoration and kstyle so that there will be consistency when titlebar-like buttons are used within applications.
  
  For Breeze-GTK both new SVG files are added (affecting GTK applications with client-side-decorations in the titlebar like gedit), and the python script has been updated to generate new .png files with Cairo (affecting applications like Chromium).
  
  For Breeze-Icons, the action icons for window operations have been updated to match the 'Classik' style.
  
  Screenshot from before applying patch:
  F8201866: before_with_Breeze-oxygen.png <https://phabricator.kde.org/F8201866>
  
  Screenshot from after applying patch:
  F8201868: after_with_Classik.png <https://phabricator.kde.org/F8201868>
  
  Annotated version of previous screenshot, labelled in red with which modules are rendering which icons:
  F8201871: Classik_mods_annotated.png <https://phabricator.kde.org/F8201871>
  
  Another screenshot showing all the titlebar icons after the patch:

REPOSITORY
  R31 Breeze

REVISION DETAIL
  https://phabricator.kde.org/D28356

AFFECTED FILES
  kdecoration/breezebutton.cpp
  kdecoration/breezesettingsdata.kcfg
  kstyle/breeze.kcfg
  kstyle/breezehelper.cpp

To: paulm, #vdg, #breeze, hpereiradacosta
Cc: plasma-devel, Orage, LeGast00n, The-Feren-OS-Dev, cblack, jraleigh, zachus, fbampaloukas, GB_2, trickyricky26, ragreen, ZrenBot, ngraham, himcesjf, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, ahiemstra, mart
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