st

Personal fork of ST from suckless.org; st is a simple terminal implementation for X.
git clone git://git.swab.dev/st.git
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commit 5ce6c5c0324ef3b7d0f5b9e6e2ba4d87ae0d3bb1
parent ef69118028afad1938951a1f7dff8db2aa557879
Author: Aurélien Aptel <aurelien.aptel@gmail.com>
Date:   Wed,  1 Sep 2010 17:21:09 +0200

fixed IL and DL.

Diffstat:
Mst.c | 30+++++++++++-------------------
1 file changed, 11 insertions(+), 19 deletions(-)

diff --git a/st.c b/st.c @@ -392,8 +392,10 @@ ttyread(void) { if((ret = read(cmdfd, buf, LEN(buf))) < 0) die("Couldn't read from shell: %s\n", SERRNO); - else + else { + printf("ttyread %d\n", ret); tputs(buf, ret); + } } void @@ -589,21 +591,16 @@ tinsertblankline(int n) { Line blank; int bot = term.bot; - if(term.c.y > term.bot) - bot = term.row - 1; - else if(term.c.y < term.top) - bot = term.top - 1; - if(term.c.y + n >= bot) { - tclearregion(0, term.c.y, term.col-1, bot); + if(term.c.y < term.top || term.c.y > term.bot) return; - } + + LIMIT(n, 0, bot-term.c.y+1); + tclearregion(0, bot-n+1, term.col-1, bot); for(i = bot; i >= term.c.y+n; i--) { /* swap deleted line <-> blanked line */ blank = term.line[i]; term.line[i] = term.line[i-n]; term.line[i-n] = blank; - /* blank it */ - memset(blank, 0, term.col * sizeof(Glyph)); } } @@ -613,21 +610,16 @@ tdeleteline(int n) { Line blank; int bot = term.bot; - if(term.c.y > term.bot) - bot = term.row - 1; - else if(term.c.y < term.top) - bot = term.top - 1; - if(term.c.y + n >= bot) { - tclearregion(0, term.c.y, term.col-1, bot); + if(term.c.y < term.top || term.c.y > term.bot) return; - } + + LIMIT(n, 0, bot-term.c.y+1); + tclearregion(0, term.c.y, term.col-1, term.c.y+n-1); for(i = term.c.y; i <= bot-n; i++) { /* swap deleted line <-> blanked line */ blank = term.line[i]; term.line[i] = term.line[i+n]; term.line[i+n] = blank; - /* blank it */ - memset(blank, 0, term.col * sizeof(Glyph)); } }