Function redraw_message_window

win/X11/winmesg.c:447–485

}

static void
redraw_message_window(struct xwindow *wp)
{
    struct mesg_info_t *mesg_info = wp->mesg_information;
    struct line_element *curr;
    int row, y_base;

    /*
     * Do this the cheap and easy way.  Clear the window and just redraw
     * the whole thing.
     *
     * This could be done more efficiently with one call to XDrawText() instead
     * of many calls to XDrawString().  Maybe later.
     *
     * Only need to clear if window has new text.
     */
    if (mesg_info->dirty) {
        XClearWindow(XtDisplay(wp->w), XtWindow(wp->w));
        mesg_info->line_here = mesg_info->last_pause;
    }

    /* For now, just update the whole shootn' match. */
    for (y_base = row = 0, curr = mesg_info->head; row < mesg_info->num_lines;
         row++, y_base += mesg_info->char_height, curr = curr->next) {
        XDrawString(XtDisplay(wp->w), XtWindow(wp->w), mesg_info->gc,
                    mesg_info->char_lbearing, mesg_info->char_ascent + y_base,
                    curr->line, curr->str_length);
        /*
         * This draws a line at the _top_ of the line of text pointed to by
         * mesg_info->last_pause.
         */
        if (appResources.message_line && curr == mesg_info->line_here) {
            XDrawLine(XtDisplay(wp->w), XtWindow(wp->w), mesg_info->gc, 0,
                      y_base, wp->pixel_width, y_base);
        }
    }

    mesg_info->dirty = False;
}

/*
 * Check the size of the viewport.  If it has shrunk, then we want to