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Initial implementation of 256 colour support for Irssi

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This patch implements some 256 colour support for Irssi up from the
previous 16 colours. Initial parsing of the %x/%X format codes is
implemented and the parser accounts in advances the char* for
that.

The colour attributes are widened from 4 to 8 bit. The colour protocol
is changed to a new format. Some pointers to remaining work are
written in the comment in textbuffer.h.

Note that Irssi already does support requesting 256 colours from the
terminal in the original source code, so this part did not have to be
touched.
This commit is contained in:
Tom Feist 2011-05-03 15:40:34 +01:00 • committed by Ailin Nemui
commit 2d4edc5187
15 changed files with 437 additions and 105 deletions
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14
src/fe-text/terminfo-core.c
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@ -519,19 +519,19 @@ static int term_setup(TERM_REC *term)
term_env = getenv("TERM");
if (term_env == NULL) {
fprintf(stderr, "TERM environment not set\n");
g_message( "TERM environment not set\n");
return 0;
}
#ifdef HAVE_TERMINFO
if (setupterm(term_env, 1, &err) != 0) {
fprintf(stderr, "setupterm() failed for TERM=%s: %d\n", term_env, err);
g_message( "setupterm() failed for TERM=%s: %d\n", term_env, err);
return 0;
}
#else
if (tgetent(term->buffer1, term_env) < 1)
{
fprintf(stderr, "Termcap not found for TERM=%s\n", term_env);
g_message( "Termcap not found for TERM=%s\n", term_env);
return 0;
}
#endif
@ -544,7 +544,7 @@ static int term_setup(TERM_REC *term)
else if (term->TI_hpa && term->TI_vpa)
term->move = _move_pa;
else {
fprintf(stderr, "Terminal doesn't support cursor movement\n");
g_message( "Terminal doesn't support cursor movement\n");
return 0;
}
term->move_relative = _move_relative;
@ -561,7 +561,7 @@ static int term_setup(TERM_REC *term)
else if (term->scroll == NULL && (term->TI_il1 && term->TI_dl1))
term->scroll = _scroll_line_1;
else if (term->scroll == NULL) {
fprintf(stderr, "Terminal doesn't support scrolling\n");
g_message( "Terminal doesn't support scrolling\n");
return 0;
}
@ -578,7 +578,7 @@ static int term_setup(TERM_REC *term)
/* we could do this by line inserts as well, but don't
bother - if some terminal has insert line it most probably
has delete line as well, if not a regular clear screen */
fprintf(stderr, "Terminal doesn't support clearing screen\n");
g_message( "Terminal doesn't support clearing screen\n");
return 0;
}
@ -586,7 +586,7 @@ static int term_setup(TERM_REC *term)
if (term->TI_el)
term->clrtoeol = _clrtoeol;
else {
fprintf(stderr, "Terminal doesn't support clearing to end of line\n");
g_message( "Terminal doesn't support clearing to end of line\n");
return 0;
}