Jelle Raaijmakers 558fd5b166 LibCore: Make EventLoop::pump() return event count ...

Sometimes, pumping the event loop will cause new events to be
generated. For example, an IPC message could be delivered which then
dispatches a new event to be handled by the GUI. To the invoker of
`EventLoop::pump()`, it is not obvious if any events were processed at
all.

Libraries like SDL2 might not have the opportunity to run the event
loop often enough that events can be processed swiftly, since it might
spend time doing other things. This can result in stuttering GUI
interactions.

This changes `EventLoop::pump()` to return the number of processed
events. This functionality will be used by our SDL2 port in another PR.

2022-01-06 11:30:04 +01:00

3.0 KiB

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