D29341: [kcm/kwinrules] Improve export buttons

iasensio created this revision.
iasensio added reviewers: KWin, VDG.
Herald added a project: KWin.
Herald added a subscriber: kwin.
iasensio requested review of this revision.

REVISION SUMMARY
  Small UX improvements when exporting rules
  
  Add a `Select All` button
  Disable `Save` if no rules are selected
  In export mode set button text to `Cancel Export`

TEST PLAN
  F8276279: export_buttons.gif <https://phabricator.kde.org/F8276279>

REPOSITORY
  R108 KWin

BRANCH
  export_buttons

REVISION DETAIL
  https://phabricator.kde.org/D29341

AFFECTED FILES
  kcmkwin/kwinrules/package/contents/ui/RulesList.qml

To: iasensio, #kwin, #vdg
Cc: kwin, Orage, cacarry, LeGast00n, The-Feren-OS-Dev, cblack, jraleigh, zachus, fbampaloukas, mkulinski, ragreen, jackyalcine, iodelay, crozbo, bwowk, ZrenBot, ngraham, alexeymin, himcesjf, lesliezhai, ali-mohamed, hardening, romangg, jensreuterberg, abetts, sebas, apol, ahiemstra, mart