author | wenzelm |
Tue, 24 Sep 2013 20:41:28 +0200 | |
changeset 53853 | e8430d668f44 |
parent 53783 | f5e9d182f645 |
permissions | -rw-r--r-- |
53783
f5e9d182f645
clarified location of GUI modules (which depend on Swing of JFX);
wenzelm
parents:
49066
diff
changeset
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/* Title: Pure/GUI/jfx_thread.scala |
53853
e8430d668f44
more quasi-generic PIDE modules (NB: Swing/JFX needs to be kept separate from non-GUI material);
wenzelm
parents:
53783
diff
changeset
|
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Module: PIDE-GUI |
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Author: Makarius |
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Evaluation within the Java FX application thread. |
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*/ |
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package isabelle |
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import javafx.application.{Platform => JFX_Platform} |
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object JFX_Thread |
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{ |
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/* checks */ |
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def assert() = Predef.assert(JFX_Platform.isFxApplicationThread()) |
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def require() = Predef.require(JFX_Platform.isFxApplicationThread()) |
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/* asynchronous context switch */ |
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def later(body: => Unit) |
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{ |
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if (JFX_Platform.isFxApplicationThread()) body |
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else JFX_Platform.runLater(new Runnable { def run = body }) |
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} |
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def future[A](body: => A): Future[A] = |
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{ |
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if (JFX_Platform.isFxApplicationThread()) Future.value(body) |
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else { |
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val promise = Future.promise[A] |
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later { promise.fulfill_result(Exn.capture(body)) } |
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promise |
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} |
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} |
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} |