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| -rw-r--r-- | documentation/src/advanced.dox | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/documentation/src/advanced.dox b/documentation/src/advanced.dox index 30a3ed01f..60ea552ad 100644 --- a/documentation/src/advanced.dox +++ b/documentation/src/advanced.dox @@ -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 |