Fix overtyping wide characters.

[st.git] / st.c

diff --git a/st.c b/st.c
index 781dbf2..51049ba 100644 (file)
--- a/st.c
+++ b/st.c
@@ -1928,7 +1928,7 @@ strhandle(void)
                                fprintf(stderr, "erresc: invalid foreground color: %s\n", p);
                        else
                                redraw();
-                       break;
+                       return;
                case 11:
                        if (narg < 2)
                                break;
@@ -1941,7 +1941,7 @@ strhandle(void)
                                fprintf(stderr, "erresc: invalid background color: %s\n", p);
                        else
                                redraw();
-                       break;
+                       return;
                case 12:
                        if (narg < 2)
                                break;
@@ -1954,16 +1954,16 @@ strhandle(void)
                                fprintf(stderr, "erresc: invalid cursor color: %s\n", p);
                        else
                                redraw();
-                       break;
+                       return;
                case 4: /* color set */
                        if (narg < 3)
                                break;
                        p = strescseq.args[2];
                        /* FALLTHROUGH */
-               case 104: /* color reset, here p = NULL */
+               case 104: /* color reset */
                        j = (narg > 1) ? atoi(strescseq.args[1]) : -1;
 
-                       if (!strcmp(p, "?"))
+                       if (p && !strcmp(p, "?"))
                                osc4_color_response(j);
                        else if (xsetcolorname(j, p)) {
                                if (par == 104 && narg <= 1)
@@ -2507,6 +2507,10 @@ check_control_code:
        if (width == 2) {
                gp->mode |= ATTR_WIDE;
                if (term.c.x+1 < term.col) {
+                       if (gp[1].mode == ATTR_WIDE && term.c.x+2 < term.col) {
+                               gp[2].u = ' ';
+                               gp[2].mode &= ~ATTR_WDUMMY;
+                       }
                        gp[1].u = '\0';
                        gp[1].mode = ATTR_WDUMMY;
                }