Thomas Goyne 53b6765dd8 Redesign DialogProgress ... Add agi::ProgressSink and agi::BackgroundRunner interfaces to libaegisub which represent a generic progress sink and a thing which calls funtions that need progress sinks. Make DialogProgress implement agi::BackgroundRunner, invoking the passed function on a worker thread and giving it a progress sink to update the dialog with. Rewrite Automation4::ProgressSink, LuaThreadedCall and all related classes to be based on agi::ProgressSink. Automation now simply uses DialogProgress (although that's merely an implementation detail) and adds a single method to route dialog opening from the worker thread to the GUI thread. Originally committed to SVN as r5634.		2011-09-28 19:47:40 +00:00
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libaegisub	Redesign DialogProgress	2011-09-28 19:47:40 +00:00