use xclear() in draw().

diff --git a/st.c b/st.c
index 79746297e62f71f0061aefc06428d7df0a33a20d..d2f8c2e1f7aa65083fd79ea2f52e1788ce0ae54e 100644 (file)
--- a/st.c
+++ b/st.c
@@ -1321,8 +1321,7 @@ draw(int redraw_all) {
        Glyph base, new;
        char buf[DRAW_BUF_SIZ];
 
-       XSetForeground(xw.dis, dc.gc, dc.col[DefaultBG]);
-       XFillRectangle(xw.dis, xw.buf, dc.gc, 0, 0, xw.bufw, xw.bufh);
+       xclear(0, 0, term.col-1, term.row-1);
        for(y = 0; y < term.row; y++) {
                base = term.line[y][0];
                i = ox = 0;