From bc0e527f32642cc9eb2354d1bdc033ab6beca33b Mon Sep 17 00:00:00 2001
From: nicm <nicm>
Date: Thu, 18 Oct 2018 07:57:57 +0000
Subject: Support for extended underline styles on terminals which offer them,
 enabled by adding the Smulx capability with terminal-overrides (add something
 like ',vte*:Smulx=\E[4\:%p1%dm'). GitHub issue 1492.

---
 grid.c | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

(limited to 'grid.c')

diff --git a/grid.c b/grid.c
index dcfd95fe..a7c9a67e 100644
--- a/grid.c
+++ b/grid.c
@@ -764,7 +764,11 @@ grid_string_cells_code(const struct grid_cell *lastgc,
 		{ GRID_ATTR_BLINK, 5 },
 		{ GRID_ATTR_REVERSE, 7 },
 		{ GRID_ATTR_HIDDEN, 8 },
-		{ GRID_ATTR_STRIKETHROUGH, 9 }
+		{ GRID_ATTR_STRIKETHROUGH, 9 },
+		{ GRID_ATTR_UNDERSCORE_2, 42 },
+		{ GRID_ATTR_UNDERSCORE_3, 43 },
+		{ GRID_ATTR_UNDERSCORE_4, 44 },
+		{ GRID_ATTR_UNDERSCORE_5, 45 },
 	};
 	n = 0;
 
@@ -790,11 +794,15 @@ grid_string_cells_code(const struct grid_cell *lastgc,
 		else
 			strlcat(buf, "\033[", len);
 		for (i = 0; i < n; i++) {
-			if (i + 1 < n)
-				xsnprintf(tmp, sizeof tmp, "%d;", s[i]);
-			else
+			if (s[i] < 10)
 				xsnprintf(tmp, sizeof tmp, "%d", s[i]);
+			else {
+				xsnprintf(tmp, sizeof tmp, "%d:%d", s[i] / 10,
+				    s[i] % 10);
+			}
 			strlcat(buf, tmp, len);
+			if (i + 1 < n)
+				strlcat(buf, ";", len);
 		}
 		strlcat(buf, "m", len);
 	}
-- 
cgit