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Document that Fl::add_fd() opens display under macOS

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This commit is contained in:
ManoloFLTK 2023-01-30 07:39:20 +01:00
parent c798581e4e
commit 95f926fd01
1 changed files with 3 additions and 1 deletions
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src/Fl.cxx
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@ -2081,9 +2081,11 @@ int Fl::clipboard_contains(const char *type)
Fl::remove_fd() gets rid of <I>all</I> the callbacks for a given
file descriptor.
Under UNIX/Linux/MacOS <I>any</I> file descriptor can be monitored (files,
Under UNIX/Linux/macOS <I>any</I> file descriptor can be monitored (files,
devices, pipes, sockets, etc.). Due to limitations in Microsoft Windows,
Windows applications can only monitor sockets.
Under macOS, Fl::add_fd() opens the display if that's not been done before.
*/
void Fl::add_fd(int fd, int when, Fl_FD_Handler cb, void *d)
{