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fix #H8753 - curses message window anomalies

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Autodescribe feedback and multi-digit count prompts are always shown
on the last line of the message window and are suppressed from message
history (both ^P and DUMPLOG).  When the message window is using all
available lines, the last one was being overwritten (until the count
or the feedback was completed or dismissed, then last line returned).
Adopt the suggestion that it be scrolled up a line instead of being
overwritten.  [I haven't been able to reproduce the reported problem
where shorter overlaid text left some of longer underlying text visible
but that should now become moot.]

Bonus fix:  while testing, I noticed that if your screen only has room
for a one-line message window and you used ESC to cancel 'pick a spot
with cursor' prompting before moving the cursor, the prompt was left
intact on the message line.  tty erases it in that situation, but the
clear_nhwindow(WIN_MESSAGE) was a no-op for curses because it usually
doesn't erase old messages.  This changes the curses behavior when the
core asks it to erase the message window:  now it forces one blank line
of fake autodesribe feedback (causing the prompt or other most recent
message to scroll off top), then removes that fake feedback (leaving
a blank message line).  For multi-line message window, the old messages
scroll up by one line sooner than they would when waiting for the next
real message but are otherwise unaffected.
This commit is contained in:
PatR
2019-05-18 02:25:48 -07:00
parent 345c1b719f
commit f218e3f15e
5 changed files with 44 additions and 13 deletions
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8
doc/fixes36.3
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@@ -1,4 +1,4 @@
$NHDT-Branch: NetHack-3.6 $:$NHDT-Revision: 1.3 $ $NHDT-Date: 1558045586 2019/05/16 22:26:26 $
$NHDT-Branch: NetHack-3.6 $:$NHDT-Revision: 1.5 $ $NHDT-Date: 1558171542 2019/05/18 09:25:42 $
This fixes36.3 file is here to capture information about updates in the 3.6.x
lineage following the release of 3.6.2 in May 2019. Please note, however,
@@ -26,6 +26,12 @@ Platform- and/or Interface-Specific Fixes or Features
curses: very tall menus tried to use selector characters a-z, A-Z, and 0-9,
but 0-9 should be reserved for counts and if the display was tall
enough for more than 62 entries, arbitrary ASCII punctuation got used
curses: when all available lines in the message window are in use,
autodescribe feedback for 'pick a position with cursor' overwrote
the last line (usually the 'pick a position' prompt/hint), sometimes
leaving part of longer underlying line's text visible
curses: if message window is only one line, cancelling some prompts with ESC
left the prompts visible on the message line instead of erasing them
Windows: some startup error messages were not being delivered successfully