- /* fill in a zero rows/columns */
- if ((cols == 0 && rows == 0)) { /* both 0's is bad data.. */
- goto screen_update_layout_bail;
- } else {
- if (cols == 0) {
- cols = screen_num_desktops / rows;
- if (rows * cols < screen_num_desktops)
- cols++;
- if (rows * cols >= screen_num_desktops + cols)
- rows--;
- } else if (rows == 0) {
- rows = screen_num_desktops / cols;
- if (cols * rows < screen_num_desktops)
- rows++;
- if (cols * rows >= screen_num_desktops + rows)
- cols--;
- }
- }
-
- /* bounds checking */
- if (orient == OB_ORIENTATION_HORZ) {
- cols = MIN(screen_num_desktops, cols);
- rows = MIN(rows, (screen_num_desktops + cols - 1) / cols);
- cols = screen_num_desktops / rows +
- !!(screen_num_desktops % rows);
- } else {
- rows = MIN(screen_num_desktops, rows);
- cols = MIN(cols, (screen_num_desktops + rows - 1) / rows);
- rows = screen_num_desktops / cols +
- !!(screen_num_desktops % cols);
- }