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Support for extended underline styles on terminals which offer them,

Browse Source 
enabled by adding the Smulx capability with terminal-overrides (add
something like ',vte*:Smulx=\E[4\:%p1%dm'). GitHub issue 1492.
This commit is contained in:
nicm
2018-10-18 07:57:57 +00:00
parent f7c85f3ed8
commit bc0e527f32
7 changed files with 162 additions and 43 deletions
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46
input.c
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@@ -1835,10 +1835,11 @@ input_csi_dispatch_sgr_rgb(struct input_ctx *ictx, int fgbg, u_int *i)
static void
input_csi_dispatch_sgr_colon(struct input_ctx *ictx, u_int i)
{
char *s = ictx->param_list[i].str, *copy, *ptr, *out;
int p[8];
u_int n;
const char *errstr;
struct grid_cell *gc = &ictx->cell.cell;
char *s = ictx->param_list[i].str, *copy, *ptr, *out;
int p[8];
u_int n;
const char *errstr;
for (n = 0; n < nitems(p); n++)
p[n] = -1;
@@ -1857,7 +1858,39 @@ input_csi_dispatch_sgr_colon(struct input_ctx *ictx, u_int i)
}
free(copy);
if (n == 0 || (p[0] != 38 && p[0] != 48))
if (n == 0)
return;
if (p[0] == 4) {
if (n != 2)
return;
switch (p[1]) {
case 0:
gc->attr &= ~GRID_ATTR_ALL_UNDERSCORE;
break;
case 1:
gc->attr &= ~GRID_ATTR_ALL_UNDERSCORE;
gc->attr |= GRID_ATTR_UNDERSCORE;
break;
case 2:
gc->attr &= ~GRID_ATTR_ALL_UNDERSCORE;
gc->attr |= GRID_ATTR_UNDERSCORE_2;
break;
case 3:
gc->attr &= ~GRID_ATTR_ALL_UNDERSCORE;
gc->attr |= GRID_ATTR_UNDERSCORE_3;
break;
case 4:
gc->attr &= ~GRID_ATTR_ALL_UNDERSCORE;
gc->attr |= GRID_ATTR_UNDERSCORE_4;
break;
case 5:
gc->attr &= ~GRID_ATTR_ALL_UNDERSCORE;
gc->attr |= GRID_ATTR_UNDERSCORE_5;
break;
}
return;
}
if (p[0] != 38 && p[0] != 48)
return;
if (p[1] == -1)
i = 2;
@@ -1927,6 +1960,7 @@ input_csi_dispatch_sgr(struct input_ctx *ictx)
gc->attr |= GRID_ATTR_ITALICS;
break;
case 4:
gc->attr &= ~GRID_ATTR_ALL_UNDERSCORE;
gc->attr |= GRID_ATTR_UNDERSCORE;
break;
case 5:
@@ -1948,7 +1982,7 @@ input_csi_dispatch_sgr(struct input_ctx *ictx)
gc->attr &= ~GRID_ATTR_ITALICS;
break;
case 24:
gc->attr &= ~GRID_ATTR_UNDERSCORE;
gc->attr &= ~GRID_ATTR_ALL_UNDERSCORE;
break;
case 25:
gc->attr &= ~GRID_ATTR_BLINK;