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Jon Turney authored
See http://cygwin.com/ml/cygwin-xfree/2013-07/msg00016.html It looks like the change in a9aca218 had some unforseen consequences. If the X11 selection contents are not convertable to COMPOUND_TEXT, UTF8_STRING or STRING format (for example, if it is an image), after those conversion attempts have failed, we sit in winProcessXEventsTimeout() until the timeout expires. It also seems that maybe gnuplot doesn't respond correctly to this sequence of conversion requests and doesn't reply to some of them, which also causes us to sit in winProcessXEventsTimeout() until the timeout expires. The Windows application which has requested the clipboard contents via GetClipboardContents() is blocked until we return from WM_RENDERFORMAT, so sitting waiting for this timeout to expire should be avoided. So instead, explicitly request conversion to the TARGETS target, choose the most preferred format, and request conversion to that. Also: if there is no owned selection, there is nothing to paste, so don't bother trying to convert it. v2: Fix compilation with -Werror=declaration-after-statement Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk> Reviewed-by: Colin Harrison <colin.harrison@virgin.net>
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