diff options
Diffstat (limited to 'src/Fl_System_Driver.cxx')
| -rw-r--r-- | src/Fl_System_Driver.cxx | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/Fl_System_Driver.cxx b/src/Fl_System_Driver.cxx index 7cac84faf..5a01d6534 100644 --- a/src/Fl_System_Driver.cxx +++ b/src/Fl_System_Driver.cxx @@ -1,7 +1,7 @@ // // A base class for platform specific system calls. // -// Copyright 1998-2022 by Bill Spitzak and others. +// Copyright 1998-2025 by Bill Spitzak and others. // // This library is free software. Distribution and use rights are outlined in // the file "COPYING" which should have been included with this file. If this @@ -360,9 +360,10 @@ double Fl_System_Driver::wait(double time_to_wait) { Fl::run_checks(); Fl::run_idle(); - // the idle function may turn off idle, we can then wait, - // or it leaves Fl::idle active and we set time_to_wait to 0 - if (Fl::idle) { + // The idle function may turn off idle() if *all* idle callbacks + // are removed from the callback queue (ring), we can then wait. + // Or it leaves Fl::idle() active and we set time_to_wait to 0. + if (Fl::idle()) { time_to_wait = 0.0; } else { // limit time by next timer interval |