D21979: [System Load Viewer] Add a tooltip about the "CPUs separately" option

[N. Higa]

nhiga created this revision.
nhiga added a project: Plasma.
nhiga requested review of this revision.

REVISION SUMMARY
  There is a "CPUs separately" option which is available when using the "Compact bar" style. If "Bar" or "Circular" is used, the "CPUs separately" option will not be available even if the user has enabled showing the CPU monitor. This may confuse the user.
  
  This patch adds a tooltip to the "CPU monitor" option indicating the user that he/she should select "Compact bar" to enable the "CPUs separately" option.
  
  Adding the tooltip to "CPUs separately" instead of "CPU monitor" would be a better option, but due to QTBUG-30801, the tooltip will not be shown when the checkbox is disabled.
  
  BUG: 408959

TEST PLAN
  1. Open the Settings page for the System Load Viewer applet.
  2. Hover the mouse above "CPU monitor".
  3. A tooltip "CPUs can be shown separately when using compact bar monitor" is shown.

REPOSITORY
  R114 Plasma Addons

REVISION DETAIL
  https://phabricator.kde.org/D21979

AFFECTED FILES
  applets/systemloadviewer/package/contents/ui/GeneralSettings.qml

To: nhiga
Cc: plasma-devel, LeGast00n, jraleigh, fbampaloukas, GB_2, ragreen, Pitel, ZrenBot, himcesjf, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, mart
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