+ 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;
+ }
+}
+
+
+
+extern uint8_t init_win_meta(WINDOW * screen, struct WinMeta * wmeta)
+{
+ wmeta->_screen = screen;
+ uint32_t maxy_test = getmaxy(screen);
+ uint32_t maxx_test = getmaxx(screen);
+ if (maxy_test > UINT16_MAX || maxx_test > UINT16_MAX)
+ {
+ return 2;
+ }
+ wmeta->padframe.size.y = maxy_test;
+ wmeta->padframe.size.x = maxx_test;
+ wmeta->_chain_start = 0;
+ wmeta->_chain_end = 0;
+ wmeta->pad_offset = 0;
+ WINDOW * pad_test = newpad(wmeta->padframe.size.y, 1);
+ if (NULL == pad_test)
+ {
+ return 1;
+ }
+ wmeta->padframe.curses_win = pad_test;
+ wmeta->active = 0;
+ return 0;
+}
+
+
+
+extern uint8_t init_win(struct WinMeta * wmeta, struct Win ** wp, char * title,
+ int16_t height, int16_t width,
+ void * data, void * func)
+{
+ struct Win * w = malloc(sizeof(struct Win));
+ if (NULL == w)
+ {
+ return 1;
+ }
+ w->_prev = 0;
+ w->_next = 0;
+ w->frame.curses_win = 0;
+ w->_title = malloc(strlen(title) + 1);
+ if (NULL == w->_title)
+ {
+ return 1;
+ }
+ sprintf(w->_title, "%s", title);
+ w->data = data;
+ w->_draw = func;
+ if (0 < width)
+ {
+ w->frame.size.x = width;
+ }
+ else if (0 > width)
+ {
+ w->frame.size.x = wmeta->padframe.size.x + width;
+ }
+ else
+ {
+ w->frame.size.x = wmeta->padframe.size.x;
+ }
+ if (0 < height && height <= wmeta->padframe.size.y - 1)
+ {
+ w->frame.size.y = height;
+ }
+ else if (0 > height && wmeta->padframe.size.y + (height - 1) > 0)
+ {
+ w->frame.size.y = wmeta->padframe.size.y + (height - 1);
+ }
+ else
+ {
+ w->frame.size.y = wmeta->padframe.size.y - 1;
+ }
+ *wp = w;
+ return 0;
+}
+
+
+
+extern void free_win(struct Win * win)
+{
+ free(win->_title);
+ free(win);
+}
+
+
+
+extern uint8_t append_win(struct WinMeta * wmeta, struct Win * w)
+{
+ if (0 != wmeta->_chain_start)
+ {
+ w->_prev = wmeta->_chain_end;
+ wmeta->_chain_end->_next = w;