Function row_refresh

src/display.c:2146–3183

used by tty after menu or text popup has temporarily overwritten the map and it has been erased so shows spaces, not necessarily S_unexplored */

/* used by tty after menu or text popup has temporarily overwritten the map
   and it has been erased so shows spaces, not necessarily S_unexplored */
void
row_refresh(coordxy start, coordxy stop, coordxy y)
{
    coordxy x;
    int glyph;
    boolean force;
    gbuf_entry *gptr = &gg.gbuf[0][0];
    glyph_info bkglyphinfo = nul_glyphinfo;
    glyph_info *giptr =
#ifndef UNBUFFERED_GLYPHINFO
                        &gptr->glyphinfo;
#else
                        &ginfo;

    map_glyphinfo(0, 0, GLYPH_UNEXPLORED, 0U, giptr);
#endif
#ifndef UNBUFFERED_GLYPHINFO
    force = (giptr->ttychar != nul_gbuf.glyphinfo.ttychar
                 || giptr->gm.sym.color != nul_gbuf.glyphinfo.gm.sym.color
                 || giptr->gm.glyphflags != nul_gbuf.glyphinfo.gm.glyphflags
                 || giptr->gm.customcolor != nul_gbuf.glyphinfo.gm.customcolor
                 || giptr->gm.tileidx != nul_gbuf.glyphinfo.gm.tileidx)
#else
    force = (giptr->ttychar != ' '
                 || giptr->gm.sym.color != NO_COLOR
                 || giptr->gm.gm.customcolor != 0
                 || (giptr->gm.glyphflags & ~MG_UNEXPL) != 0)
#endif
                 ? 1 : 0;
    for (x = start; x <= stop; x++) {
        gptr = &gg.gbuf[y][x];
        glyph = gptr->glyphinfo.glyph;
        get_bkglyph_and_framecolor(x, y, &bkglyphinfo.glyph,
                                   &bkglyphinfo.framecolor);
        if (force || glyph != GLYPH_UNEXPLORED
            || bkglyphinfo.framecolor != NO_COLOR) {
            print_glyph(WIN_MAP, x, y,
                        Glyphinfo_at(x, y, glyph), &bkglyphinfo);
        }
    }
}

void
cls(void)
{
    static boolean in_cls = 0;

    if (in_cls)
        return;
    in_cls = TRUE;
    display_nhwindow(WIN_MESSAGE, FALSE); /* flush messages */
    disp.botlx = TRUE;                 /* force update of botl window */
    clear_nhwindow(WIN_MAP);              /* clear physical screen */

    clear_glyph_buffer(); /* force gbuf[][].glyph to unexplored */
    in_cls = FALSE;
}