[Bug 1311079] [NEW] stateness can be messed up by using reset/defaults while applying changes

[Harald Sitter]

Public bug reported:

[Impact]

when using the defaults or reset buttons while changes are being applied
(packages installed/removed) the stateness of the GUI can be messed up
as the button respectively trigger a rescan of the available/active
drivers.

to prevent this the buttons should be turned noop while stuff is active

[Test Case]

* start driver manager
* change driver
* click apply
* click defaults
* nothing should happen

[Regression Potential]

Since the nooping needs to happen in the central load function there is
a chance of not having considered all state transitions properly and the
GUI not reloading after applying changes. This should be sufficiently
tested by repeatedly changing drivers and using reset/defaults without
restarting the KCM.

[Other Info]

None

** Affects: kubuntu-driver-manager (Ubuntu)
     Importance: Medium
         Status: In Progress


** Tags: kubuntu

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https://bugs.launchpad.net/bugs/1311079

Title:
  stateness can be messed up by using reset/defaults while applying
  changes

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