D27957: [GTK Config] Port all settings to KConfigWatcher

[Mikhail Zolotukhin]

gikari created this revision.
Herald added a project: Plasma.
Herald added a subscriber: plasma-devel.
gikari requested review of this revision.

REVISION SUMMARY
  Also remove redundant reparse configuration calls and change
  the ways of reading some settings accordingly.
  
  Depend on: D27956 <https://phabricator.kde.org/D27956>

TEST PLAN
  1. Apply D27956 <https://phabricator.kde.org/D27956>
  2. Restart kded5
  3. Apply all the settings possible:
    - Fonts
    - Icons
    - Color Scheme (for dark theme preference setting)
    - Icons on buttons
    - Icons in menus
    - Toolbar style
    - Scrollbar behaviour (what happens if you click on scrollbar)
    - Animations speed (though I haven't touch it in this diff)
    - Decorations button order
  4. Check if all the settings are correctly applied to GTK applications

REPOSITORY
  R99 KDE Gtk Configuration Tool

BRANCH
  port-all-to-kconfigwatcher (branched from master)

REVISION DETAIL
  https://phabricator.kde.org/D27957

AFFECTED FILES
  kded/configvalueprovider.cpp
  kded/gtkconfig.cpp
  kded/gtkconfig.h

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