diff options
| author | Thomas E. Dickey <dickey@invisible-island.net> | 2019-05-07 20:05:38 -0400 |
|---|---|---|
| committer | Thomas E. Dickey <dickey@invisible-island.net> | 2019-05-07 20:35:44 -0400 |
| commit | b7a87ccb07f816e7b9579d91bd66552e86ef0e8e (patch) | |
| tree | 93d6e0df675d58317a819bed3d4656da9ad4e6ba /specs | |
| parent | adf962f3b2c4539e555bfda600d34b63c9e5e002 (diff) | |
add a note pointing out the change in design
Signed-off-by: Thomas E. Dickey <dickey@invisible-island.net>
Diffstat (limited to 'specs')
| -rw-r--r-- | specs/CH07.xml | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/specs/CH07.xml b/specs/CH07.xml index 09d4dbc..7eefd04 100644 --- a/specs/CH07.xml +++ b/specs/CH07.xml @@ -2449,8 +2449,21 @@ and <para> Applications can provide their own version of this loop, which tests some global termination flag or tests that the number -of top-level widgets is larger than zero before circling back to the call to -<xref linkend='XtAppNextEvent' xrefstyle='select: title'/>. +of top-level widgets is larger than zero before +circling back for the next event. +</para> + +<para> +The design of +<xref linkend='XtAppMainLoop' xrefstyle='select: title'/> +has changed since Release 6. +Originally it looped over calls to +<xref linkend='XtAppNextEvent' xrefstyle='select: title'/>, +and +<xref linkend='XtDispatchEvent' xrefstyle='select: title'/>, +but because the latter returns only after an X event +(not for timers, signals, inputs), +it was modified to allow any type of event to break out of the loop. </para> </sect1> |