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Extend advanced.dox multithreading to add additional caveats

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about the use of show() and hide() from child threads, based
on issues reported in fltk.general with tooltip windows
causing issues.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@10476 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
This commit is contained in:
Ian MacArthur 2014-12-01 10:42:41 +00:00
parent 0fdb271a78
commit 596fd2784a
1 changed files with 8 additions and 1 deletions
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9
documentation/src/advanced.dox
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@ -82,7 +82,14 @@ threads on all operating systems:
\li Don't \p show() or \p hide() anything that contains
widgets derived from Fl_Window, including dialogs, file
choosers, subwindows or those using Fl_Gl_Window.
choosers, subwindows or those using Fl_Gl_Window. Note that
this constraint may also apply to non-window widgets that
have tooltips, since the tooltip will contain a Fl_Window
object. In general, it is advised \b not to call \p show()
or \p hide() on any widget from the context of a
non-main thread (instead use the Fl_Awake_Handler function
variant of Fl::awake to have the main thread show or hide
the widget on behalf of the child thread.)
\li Don't call Fl::run(), Fl::wait(), Fl::flush() or any
related methods that will handle system messages