Render invisible attribute

Implement invisible mode by setting the foreground color to be the same
as the background color. Not rendering anything would also be an
alternative, but this seems less likely to cause surprises in
conjunction with any hacks.

Signed-off-by: Roberto E. Vargas Caballero <k0ga@shike2.com>

diff --git a/st.c b/st.c
index 96378343746d82c3fd84e9c84bb156fc037a037d..a69cc9e79cd3cf79255956d52037dea577d7736d 100644 (file)
--- a/st.c
+++ b/st.c
@@ -3236,6 +3236,9 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
        if(base.mode & ATTR_BLINK && term.mode & MODE_BLINK)
                fg = bg;
 
+       if(base.mode & ATTR_INVISIBLE)
+               fg = bg;
+
        /* Intelligent cleaning up of the borders. */
        if(x == 0) {
                xclear(0, (y == 0)? 0 : winy, borderpx,