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Redrawing fixes - irssi should now rarely redraw stuff uselessly in screen.

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Most of the code now just marks the window/statusbar/etc. as dirty, and lets
the dirty-checker handle it later.


git-svn-id: http://svn.irssi.org/repos/irssi/trunk@1926 dbcabf3a-b0e7-0310-adc4-f8d773084564
This commit is contained in:
Timo Sirainen 2001-10-28 18:40:12 +00:00 • committed by cras
commit fb439b5c2a
16 changed files with 348 additions and 123 deletions
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43
src/fe-text/terminfo-core.c
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@ -61,8 +61,8 @@ static TERMINFO_REC tcaps[] = {
{ "cup", "cm", CAP_TYPE_STR, &temp_term.TI_cup },
{ "hpa", "ch", CAP_TYPE_STR, &temp_term.TI_hpa },
{ "vpa", "vh", CAP_TYPE_STR, &temp_term.TI_vpa },
{ "xvpa", "YD", CAP_TYPE_FLAG, &temp_term.TI_xvpa },
{ "hvpa", "YA", CAP_TYPE_FLAG, &temp_term.TI_xhpa },
{ "cub1", "le", CAP_TYPE_STR, &temp_term.TI_cub1 },
{ "cuf1", "nd", CAP_TYPE_STR, &temp_term.TI_cuf1 },
/* Scrolling */
{ "csr", "cs", CAP_TYPE_STR, &temp_term.TI_csr },
@ -113,6 +113,40 @@ static void _move_pa(TERM_REC *term, int x, int y)
tput(tparm(term->TI_vpa, y));
}
/* Move cursor from a known position */
static void _move_relative(TERM_REC *term, int oldx, int oldy, int x, int y)
{
if (oldx == 0 && x == 0 && y == oldy+1) {
/* move to beginning of next line -
hope this works everywhere */
tput("\r\n");
return;
}
if (oldx > 0 && y == oldy) {
/* move cursor left/right */
if (x == oldx-1 && term->TI_cub1) {
tput(tparm(term->TI_cub1));
return;
}
if (x == oldx+1 && y == oldy && term->TI_cuf1) {
tput(tparm(term->TI_cuf1));
return;
}
}
/* fallback to absolute positioning */
if (term->TI_cup) {
tput(tparm(term->TI_cup, y, x));
return;
}
if (oldy != y)
tput(tparm(term->TI_vpa, y));
if (oldx != x)
tput(tparm(term->TI_hpa, x));
}
#define scroll_region_setup(term, y1, y2) \
if ((term)->TI_csr != NULL) \
tput(tparm((term)->TI_csr, y1, y2)); \
@ -474,14 +508,15 @@ static int term_setup(TERM_REC *term)
/* Cursor movement */
if (term->TI_cup)
term->move = _move_cup;
else if (term->TI_hpa && term->TI_vpa &&
!term->TI_xhpa && !term->TI_xvpa)
else if (term->TI_hpa && term->TI_vpa)
term->move = _move_pa;
else {
fprintf(term->out, "Terminal doesn't support cursor movement\n");
return 0;
}
term->move_relative = _move_relative;
/* Scrolling */
if ((term->TI_csr || term->TI_wind) && term->TI_rin && term->TI_indn)
term->scroll = _scroll_region;