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Support for RGB colour, using the extended cell mechanism to avoid

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wasting unnecessary space. The 'Tc' flag must be set in the external
TERM entry (using terminal-overrides or a custom terminfo entry), if not
tmux will map to the closest of the 256 or 16 colour palettes.

Mostly from Suraj N Kurapati, based on a diff originally by someone else.
This commit is contained in:
nicm
2016-01-29 11:13:56 +00:00
parent b5b5221c13
commit 427b820426
6 changed files with 209 additions and 55 deletions
Download Patch File Download Diff File Expand all files Collapse all files

35
input.c
View File

@@ -1629,18 +1629,20 @@ input_csi_dispatch_sgr_256(struct input_ctx *ictx, int fgbg, u_int *i)
c = input_get(ictx, *i, 0, -1);
if (c == -1) {
if (fgbg == 38) {
gc->flags &= ~GRID_FLAG_FG256;
gc->flags &= ~(GRID_FLAG_FG256|GRID_FLAG_FGRGB);
gc->fg = 8;
} else if (fgbg == 48) {
gc->flags &= ~GRID_FLAG_BG256;
gc->flags &= ~(GRID_FLAG_BG256|GRID_FLAG_BGRGB);
gc->bg = 8;
}
} else {
if (fgbg == 38) {
gc->flags |= GRID_FLAG_FG256;
gc->flags &= ~GRID_FLAG_FGRGB;
gc->fg = c;
} else if (fgbg == 48) {
gc->flags |= GRID_FLAG_BG256;
gc->flags &= ~GRID_FLAG_BGRGB;
gc->bg = c;
}
}
@@ -1651,7 +1653,7 @@ void
input_csi_dispatch_sgr_rgb(struct input_ctx *ictx, int fgbg, u_int *i)
{
struct grid_cell *gc = &ictx->cell.cell;
int c, r, g, b;
int r, g, b;
(*i)++;
r = input_get(ictx, *i, 0, -1);
@@ -1666,13 +1668,18 @@ input_csi_dispatch_sgr_rgb(struct input_ctx *ictx, int fgbg, u_int *i)
if (b == -1 || b > 255)
return;
c = colour_find_rgb(r, g, b);
if (fgbg == 38) {
gc->flags |= GRID_FLAG_FG256;
gc->fg = c;
gc->flags &= ~GRID_FLAG_FG256;
gc->flags |= GRID_FLAG_FGRGB;
gc->fg_rgb.r = r;
gc->fg_rgb.g = g;
gc->fg_rgb.b = b;
} else if (fgbg == 48) {
gc->flags |= GRID_FLAG_BG256;
gc->bg = c;
gc->flags &= ~GRID_FLAG_BG256;
gc->flags |= GRID_FLAG_BGRGB;
gc->bg_rgb.r = r;
gc->bg_rgb.g = g;
gc->bg_rgb.b = b;
}
}
@@ -1754,11 +1761,11 @@ input_csi_dispatch_sgr(struct input_ctx *ictx)
case 35:
case 36:
case 37:
gc->flags &= ~GRID_FLAG_FG256;
gc->flags &= ~(GRID_FLAG_FG256|GRID_FLAG_FGRGB);
gc->fg = n - 30;
break;
case 39:
gc->flags &= ~GRID_FLAG_FG256;
gc->flags &= ~(GRID_FLAG_FG256|GRID_FLAG_FGRGB);
gc->fg = 8;
break;
case 40:
@@ -1769,11 +1776,11 @@ input_csi_dispatch_sgr(struct input_ctx *ictx)
case 45:
case 46:
case 47:
gc->flags &= ~GRID_FLAG_BG256;
gc->flags &= ~(GRID_FLAG_BG256|GRID_FLAG_BGRGB);
gc->bg = n - 40;
break;
case 49:
gc->flags &= ~GRID_FLAG_BG256;
gc->flags &= ~(GRID_FLAG_BG256|GRID_FLAG_BGRGB);
gc->bg = 8;
break;
case 90:
@@ -1784,7 +1791,7 @@ input_csi_dispatch_sgr(struct input_ctx *ictx)
case 95:
case 96:
case 97:
gc->flags &= ~GRID_FLAG_FG256;
gc->flags &= ~(GRID_FLAG_FG256|GRID_FLAG_FGRGB);
gc->fg = n;
break;
case 100:
@@ -1795,7 +1802,7 @@ input_csi_dispatch_sgr(struct input_ctx *ictx)
case 105:
case 106:
case 107:
gc->flags &= ~GRID_FLAG_BG256;
gc->flags &= ~(GRID_FLAG_BG256|GRID_FLAG_BGRGB);
gc->bg = n - 10;
break;
}