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top: force return to row 1 for thread mode transitions

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This program does a good job of policing that vertical
scrolled position, ensuring that total tasks are never
exceeded. However, during transitions from thread mode
to normal task mode (the 'H' toggle) that wasn't true.

And while there was no real harm done, it did make the
use of up/down arrow keys "appear" disabled especially
if that scroll message was not displayed ('C' toggle).

This patch simply forces a return to row #1 whenever a
user toggles that display between thread & task modes.

Signed-off-by: Jim Warner <james.warner@comcast.net>
This commit is contained in:
Jim Warner 2018-06-06 00:00:00 -05:00 committed by Craig Small
parent 42f0a341ba
commit 9dd7a97c4a
1 changed files with 1 additions and 0 deletions
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top/top.c
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@ -4802,6 +4802,7 @@ static void keys_global (int ch) {
if (!CHKw(w, View_STATES))
show_msg(fmtmk(N_fmt(THREADS_show_fmt)
, Thread_mode ? N_txt(ON_word_only_txt) : N_txt(OFF_one_word_txt)));
Winstk[0].begtask = Winstk[1].begtask = Winstk[2].begtask = Winstk[3].begtask = 0;
// force an extra procs refresh to avoid %cpu distortions...
Pseudo_row = PROC_XTRA;
break;