+ draw_wins_borderlines(w->_next, w_active, pad);
+ }
+}
+
+
+
+static void draw_wins_bordercorners(struct Win * w, WINDOW * pad)
+{
+ mvwaddch(pad, w->_start.y - 1, w->_start.x - 1, '+');
+ mvwaddch(pad, w->_start.y - 1, w->_start.x + w->frame.size.x, '+');
+ mvwaddch(pad, w->_start.y + w->frame.size.y, w->_start.x - 1, '+');
+ mvwaddch(pad,
+ w->_start.y + w->frame.size.y, w->_start.x + w->frame.size.x, '+');
+ if (0 != w->_next)
+ {
+ draw_wins_bordercorners(w->_next, pad);
+ }
+}
+
+
+
+static void shift_win_forward(struct WinMeta * wmeta)
+{
+ if (wmeta->active == wmeta->_chain_end)
+ {
+ wmeta->_chain_end = wmeta->active->_prev;
+ wmeta->_chain_end->_next = 0;
+ wmeta->active->_next = wmeta->_chain_start;
+ wmeta->active->_next->_prev = wmeta->active;
+ wmeta->_chain_start = wmeta->active;
+ wmeta->_chain_start->_prev = 0;
+ }
+ else
+ {
+ struct Win * old_prev = wmeta->active->_prev;
+ struct Win * old_next = wmeta->active->_next;
+ if (wmeta->_chain_end == wmeta->active->_next)
+ {
+ wmeta->_chain_end = wmeta->active;
+ wmeta->active->_next = 0;
+ }
+ else
+ {
+ wmeta->active->_next = old_next->_next;
+ wmeta->active->_next->_prev = wmeta->active;
+ }
+ if (wmeta->_chain_start == wmeta->active)
+ {
+ wmeta->_chain_start = old_next;
+ }
+ else
+ {
+ old_prev->_next = old_next;
+ }
+ old_next->_prev = old_prev;
+ old_next->_next = wmeta->active;
+ wmeta->active->_prev = old_next;
+ }
+}
+
+
+
+static void shift_win_backward(struct WinMeta * wmeta)
+{
+ if (wmeta->active == wmeta->_chain_start)
+ {
+ wmeta->_chain_start = wmeta->active->_next;
+ wmeta->_chain_start->_prev = 0;
+ wmeta->active->_prev = wmeta->_chain_end;
+ wmeta->active->_prev->_next = wmeta->active;
+ wmeta->_chain_end = wmeta->active;
+ wmeta->_chain_end->_next = 0;
+ }
+ else
+ {
+ struct Win * old_prev = wmeta->active->_prev;
+ struct Win * old_next = wmeta->active->_next;
+ if (wmeta->_chain_start == wmeta->active->_prev)
+ {
+ wmeta->_chain_start = wmeta->active;
+ wmeta->active->_prev = 0;
+ }
+ else
+ {
+ wmeta->active->_prev = old_prev->_prev;
+ wmeta->active->_prev->_next = wmeta->active;
+ }
+ if (wmeta->_chain_end == wmeta->active)
+ {
+ wmeta->_chain_end = old_prev;
+ }
+ else
+ {
+ old_next->_prev = old_prev;
+ }
+ old_prev->_next = old_next;
+ old_prev->_prev = wmeta->active;
+ wmeta->active->_next = old_prev;