Flössie 824ecaed41 Add IdleRegister to deal with destruction while idle func is queued ...

This adds a little helper class to `guiutils.*` that unregisters
in-flight idle functions queued by `IdleRegister::add()`. It's best
to call `IdleRegister::destroy()` in the destructor of the class
owning the `IdleRegister` instance. Otherwise make sure, it is the
last member which will be deleted first.

`Resize` now makes use of this new facility in `setDimensions()`, which
also fixes #3673.

2017-02-09 20:25:58 +01:00

53 KiB

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