+void vi_term_size(struct visor *vi, int xsz, int ysz)
+{
+ vi->term_width = xsz;
+ vi->term_height = ysz;
+}
+
+void vi_redraw(struct visor *vi)
+{
+ int i = 0, col, cur_x = 0, cur_y = 0;
+ char c;
+ struct vi_buffer *vb;
+ struct vi_span *sp, *spans_end;
+ const char *tptr, *tend;
+ vi_addr spoffs, addr;
+
+ if(!vi->buflist) goto end;
+
+ vb = vi->buflist;
+ if(!(sp = vi_buf_find_span(vb, vb->view_start, &spoffs))) {
+ sp = vb->spans;
+ spoffs = 0;
+ }
+ spans_end = vb->spans + vb->num_spans;
+
+ tptr = vi_buf_span_text(vb, sp);
+ tend = tptr + sp->size;
+ tptr += spoffs;
+
+ vi_clear();
+
+ addr = vb->view_start;
+ for(i=0; i<vi->term_height; i++) {
+ vi_setcursor(0, i);
+ col = -vb->view_xscroll - 1;
+ while(++col < vi->term_width && (c = (addr++, *tptr++)) != '\n') {
+ if(addr == vb->cursor) {
+ cur_x = col;
+ cur_y = i;
+ }
+
+ if(col >= 0) {
+ vi_putchar(c);
+ }
+ if(tptr >= tend) {
+ if(++sp >= spans_end) {
+ goto end;
+ }
+ tptr = vi_buf_span_text(vb, sp);
+ tend = tptr + sp->size;
+ }
+ }
+ }
+end:
+
+ while(i < vi->term_height) {
+ vi_setcursor(0, i++);
+ vi_putchar('~');
+ }
+
+ vi_setcursor(cur_x, cur_y);
+ vi_flush();
+}
+