sfeed_curses

[fork] sfeed (atom feed) reader
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commit 9b222c1a30910588a47753deb8feacacae545b04
parent 28b5f06b392a67e148367565a35530594179319e
Author: Hiltjo Posthuma <hiltjo@codemadness.org>
Date:   Fri,  3 Jul 2020 12:56:06 +0200

small code-style tweaks and comments

Diffstat:
Msfeed_curses.c | 10++++------
1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/sfeed_curses.c b/sfeed_curses.c @@ -374,10 +374,9 @@ cleanup(void) fflush(stdout); sigemptyset(&sa.sa_mask); - sa.sa_flags = SA_RESTART; + sa.sa_flags = SA_RESTART; /* require BSD signal semantics */ sa.sa_handler = SIG_DFL; - if (sigaction(SIGWINCH, &sa, NULL) == -1) - err(1, "sigaction: SIGWINCH"); + sigaction(SIGWINCH, &sa, NULL); needcleanup = 0; } @@ -570,17 +569,16 @@ pane_setpos(struct pane *p, off_t pos) if (pos >= p->nrows) pos = p->nrows - 1; /* clamp */ - /* is on different screen ? */ + /* is on different screen? mark dirty */ if (((p->pos - (p->pos % p->height)) / p->height) != ((pos - (pos % p->height)) / p->height)) { p->pos = pos; - // TODO: dirty region handling? or setting dirty per row? p->dirty = 1; pane_draw(p); } else { + /* only redraw the 1 or 2 dirty rows */ prev = p->pos; p->pos = pos; - // TODO: dirty region handling? or setting dirty per row? pane_row_draw(p, prev); /* draw previous row again */ pane_row_draw(p, p->pos); /* draw new highlighted row */ }