Add TBC sequence

[st.git] / st.c

diff --git a/st.c b/st.c
index 4b7e4eb..b7dfd55 100644 (file)
--- a/st.c
+++ b/st.c
@@ -1203,6 +1203,18 @@ csihandle(void) {
                DEFAULT(escseq.arg[0], 1);
                tmoveto(0, term.c.y-escseq.arg[0]);
                break;
+       case 'g': /* TBC -- Tabulation clear */
+               switch (escseq.arg[0]) {
+               case 0: /* clear current tab stop */
+                       term.tabs[term.c.x] = 0;
+                       break;
+               case 3: /* clear all the tabs */
+                       memset(term.tabs, 0, term.col * sizeof(*term.tabs));
+                       break;
+               default:
+                       goto unknown;
+               }
+               break;
        case 'G': /* CHA -- Move to <col> */
        case '`': /* XXX: HPA -- same? */
                DEFAULT(escseq.arg[0], 1);