54 static void last_status_rec(frame_T *fr, int statusline);
56 static void make_snapshot_rec(frame_T *fr, frame_T **frp);
58 static void clear_snapshot_rec(frame_T *fr);
59 static int check_snapshot_rec(frame_T *sn, frame_T *fr);
60 static win_T *restore_snapshot_rec(frame_T *sn, frame_T *fr);
1928     frame_T	*fr;  in win_equal_rec()  local
1983 		FOR_ALL_FRAMES(fr, topfr->fr_child)  in win_equal_rec()
1988 		    if (frame_fixed_width(fr))  in win_equal_rec()
1990 			n = frame_minwidth(fr, NOWIN);  in win_equal_rec()
1991 			new_size = fr->fr_width;  in win_equal_rec()
1992 			if (frame_has_win(fr, next_curwin))  in win_equal_rec()
2001 			    totwincount -= (n + (fr->fr_next == NULL  in win_equal_rec()
2009 			fr->fr_newwidth = new_size;  in win_equal_rec()
2036 	FOR_ALL_FRAMES(fr, topfr->fr_child)  in win_equal_rec()
2039 	    if (fr->fr_next == NULL)  in win_equal_rec()
2043 		new_size = fr->fr_width;  in win_equal_rec()
2044 	    else if (frame_fixed_width(fr))  in win_equal_rec()
2046 		new_size = fr->fr_newwidth;  in win_equal_rec()
2052 		n = frame_minwidth(fr, NOWIN);  in win_equal_rec()
2053 		wincount = (n + (fr->fr_next == NULL ? extra_sep : 0))  in win_equal_rec()
2055 		m = frame_minwidth(fr, next_curwin);  in win_equal_rec()
2057 		    hnc = frame_has_win(fr, next_curwin);  in win_equal_rec()
2081 		    || (new_size != fr->fr_width)  in win_equal_rec()
2082 		    || frame_has_win(fr, next_curwin))  in win_equal_rec()
2083 		win_equal_rec(next_curwin, current, fr, dir, col, row,  in win_equal_rec()
2124 		FOR_ALL_FRAMES(fr, topfr->fr_child)  in win_equal_rec()
2129 		    if (frame_fixed_height(fr))  in win_equal_rec()
2131 			n = frame_minheight(fr, NOWIN);  in win_equal_rec()
2132 			new_size = fr->fr_height;  in win_equal_rec()
2133 			if (frame_has_win(fr, next_curwin))  in win_equal_rec()
2142 			    totwincount -= (n + (fr->fr_next == NULL  in win_equal_rec()
2150 			fr->fr_newheight = new_size;  in win_equal_rec()
2177 	FOR_ALL_FRAMES(fr, topfr->fr_child)  in win_equal_rec()
2180 	    if (fr->fr_next == NULL)  in win_equal_rec()
2184 		new_size = fr->fr_height;  in win_equal_rec()
2185 	    else if (frame_fixed_height(fr))  in win_equal_rec()
2187 		new_size = fr->fr_newheight;  in win_equal_rec()
2193 		n = frame_minheight(fr, NOWIN);  in win_equal_rec()
2194 		wincount = (n + (fr->fr_next == NULL ? extra_sep : 0))  in win_equal_rec()
2196 		m = frame_minheight(fr, next_curwin);  in win_equal_rec()
2198 		    hnc = frame_has_win(fr, next_curwin);  in win_equal_rec()
2221 		    || (new_size != fr->fr_height)  in win_equal_rec()
2222 		    || frame_has_win(fr, next_curwin))  in win_equal_rec()
2223 		win_equal_rec(next_curwin, current, fr, dir, col, row,  in win_equal_rec()
4554     frame_T	*fr;  in win_vert_neighbor()  local
4570 	fr = foundfr;  in win_vert_neighbor()
4573 	    if (fr == tp->tp_topframe)  in win_vert_neighbor()
4576 		nfr = fr->fr_prev;  in win_vert_neighbor()
4578 		nfr = fr->fr_next;  in win_vert_neighbor()
4579 	    if (fr->fr_parent->fr_layout == FR_COL && nfr != NULL)  in win_vert_neighbor()
4581 	    fr = fr->fr_parent;  in win_vert_neighbor()
4594 	    fr = nfr->fr_child;  in win_vert_neighbor()
4598 		while (fr->fr_next != NULL  in win_vert_neighbor()
4599 			&& frame2win(fr)->w_wincol + fr->fr_width  in win_vert_neighbor()
4601 		    fr = fr->fr_next;  in win_vert_neighbor()
4604 		while (fr->fr_next != NULL)  in win_vert_neighbor()
4605 		    fr = fr->fr_next;  in win_vert_neighbor()
4606 	    nfr = fr;  in win_vert_neighbor()
4641     frame_T	*fr;  in win_horz_neighbor()  local
4657 	fr = foundfr;  in win_horz_neighbor()
4660 	    if (fr == tp->tp_topframe)  in win_horz_neighbor()
4663 		nfr = fr->fr_prev;  in win_horz_neighbor()
4665 		nfr = fr->fr_next;  in win_horz_neighbor()
4666 	    if (fr->fr_parent->fr_layout == FR_ROW && nfr != NULL)  in win_horz_neighbor()
4668 	    fr = fr->fr_parent;  in win_horz_neighbor()
4681 	    fr = nfr->fr_child;  in win_horz_neighbor()
4685 		while (fr->fr_next != NULL  in win_horz_neighbor()
4686 			&& frame2win(fr)->w_winrow + fr->fr_height  in win_horz_neighbor()
4688 		    fr = fr->fr_next;  in win_horz_neighbor()
4691 		while (fr->fr_next != NULL)  in win_horz_neighbor()
4692 		    fr = fr->fr_next;  in win_horz_neighbor()
4693 	    nfr = fr;  in win_horz_neighbor()
5972     frame_T	*fr;  in win_drag_status_line()  local
5978     fr = dragwin->w_frame;  in win_drag_status_line()
5979     curfr = fr;  in win_drag_status_line()
5980     if (fr != topframe)		// more than one window  in win_drag_status_line()
5982 	fr = fr->fr_parent;  in win_drag_status_line()
5985 	if (fr->fr_layout != FR_COL)  in win_drag_status_line()
5987 	    curfr = fr;  in win_drag_status_line()
5988 	    if (fr != topframe)	// only a row of windows, may drag statusline  in win_drag_status_line()
5989 		fr = fr->fr_parent;  in win_drag_status_line()
5997 	if (fr != topframe)  in win_drag_status_line()
5998 	    fr = fr->fr_parent;  in win_drag_status_line()
5999 	curfr = fr;  in win_drag_status_line()
6000 	if (fr != topframe)  in win_drag_status_line()
6001 	    fr = fr->fr_parent;  in win_drag_status_line()
6009 	if (fr == curfr)  in win_drag_status_line()
6012 	    room = fr->fr_height - frame_minheight(fr, NULL);  in win_drag_status_line()
6017 	    for (fr = fr->fr_child; ; fr = fr->fr_next)  in win_drag_status_line()
6019 		room += fr->fr_height - frame_minheight(fr, NULL);  in win_drag_status_line()
6020 		if (fr == curfr)  in win_drag_status_line()
6024 	fr = curfr->fr_next;		// put fr at frame that grows  in win_drag_status_line()
6040 	FOR_ALL_FRAMES(fr, curfr->fr_next)  in win_drag_status_line()
6041 	    room += fr->fr_height - frame_minheight(fr, NULL);  in win_drag_status_line()
6042 	fr = curfr;			// put fr at window that grows  in win_drag_status_line()
6054     if (fr != NULL)  in win_drag_status_line()
6055 	frame_new_height(fr, fr->fr_height + offset, up, FALSE);  in win_drag_status_line()
6058 	fr = curfr;		// current frame gets smaller  in win_drag_status_line()
6060 	fr = curfr->fr_next;	// next frame gets smaller  in win_drag_status_line()
6065     while (fr != NULL && offset > 0)  in win_drag_status_line()
6067 	n = frame_minheight(fr, NULL);  in win_drag_status_line()
6068 	if (fr->fr_height - offset <= n)  in win_drag_status_line()
6070 	    offset -= fr->fr_height - n;  in win_drag_status_line()
6071 	    frame_new_height(fr, n, !up, FALSE);  in win_drag_status_line()
6075 	    frame_new_height(fr, fr->fr_height - offset, !up, FALSE);  in win_drag_status_line()
6079 	    fr = fr->fr_prev;  in win_drag_status_line()
6081 	    fr = fr->fr_next;  in win_drag_status_line()
6101     frame_T	*fr;  in win_drag_vsep_line()  local
6106     fr = dragwin->w_frame;  in win_drag_vsep_line()
6107     if (fr == topframe)		// only one window (cannot happen?)  in win_drag_vsep_line()
6109     curfr = fr;  in win_drag_vsep_line()
6110     fr = fr->fr_parent;  in win_drag_vsep_line()
6112     if (fr->fr_layout != FR_ROW)  in win_drag_vsep_line()
6114 	if (fr == topframe)	// only a column of windows (cannot happen?)  in win_drag_vsep_line()
6116 	curfr = fr;  in win_drag_vsep_line()
6117 	fr = fr->fr_parent;  in win_drag_vsep_line()
6124 	if (fr == topframe)  in win_drag_vsep_line()
6126 	curfr = fr;  in win_drag_vsep_line()
6127 	fr = fr->fr_parent;  in win_drag_vsep_line()
6128 	if (fr != topframe)  in win_drag_vsep_line()
6130 	    curfr = fr;  in win_drag_vsep_line()
6131 	    fr = fr->fr_parent;  in win_drag_vsep_line()
6141 	for (fr = fr->fr_child; ; fr = fr->fr_next)  in win_drag_vsep_line()
6143 	    room += fr->fr_width - frame_minwidth(fr, NULL);  in win_drag_vsep_line()
6144 	    if (fr == curfr)  in win_drag_vsep_line()
6147 	fr = curfr->fr_next;		// put fr at frame that grows  in win_drag_vsep_line()
6154 	FOR_ALL_FRAMES(fr, curfr->fr_next)  in win_drag_vsep_line()
6155 	    room += fr->fr_width - frame_minwidth(fr, NULL);  in win_drag_vsep_line()
6156 	fr = curfr;			// put fr at window that grows  in win_drag_vsep_line()
6163     if (fr == NULL)  in win_drag_vsep_line()
6167     frame_new_width(fr, fr->fr_width + offset, left, FALSE);  in win_drag_vsep_line()
6171 	fr = curfr;		// current frame gets smaller  in win_drag_vsep_line()
6173 	fr = curfr->fr_next;	// next frame gets smaller  in win_drag_vsep_line()
6175     while (fr != NULL && offset > 0)  in win_drag_vsep_line()
6177 	n = frame_minwidth(fr, NULL);  in win_drag_vsep_line()
6178 	if (fr->fr_width - offset <= n)  in win_drag_vsep_line()
6180 	    offset -= fr->fr_width - n;  in win_drag_vsep_line()
6181 	    frame_new_width(fr, n, !left, FALSE);  in win_drag_vsep_line()
6185 	    frame_new_width(fr, fr->fr_width - offset, !left, FALSE);  in win_drag_vsep_line()
6189 	    fr = fr->fr_prev;  in win_drag_vsep_line()
6191 	    fr = fr->fr_next;  in win_drag_vsep_line()
6519 last_status_rec(frame_T *fr, int statusline)  in last_status_rec()  argument
6524     if (fr->fr_layout == FR_LEAF)  in last_status_rec()
6526 	wp = fr->fr_win;  in last_status_rec()
6537 	    fp = fr;  in last_status_rec()
6553 	    if (fp != fr)  in last_status_rec()
6565     else if (fr->fr_layout == FR_ROW)  in last_status_rec()
6568 	FOR_ALL_FRAMES(fp, fr->fr_child)  in last_status_rec()
6574 	for (fp = fr->fr_child; fp->fr_next != NULL; fp = fp->fr_next)  in last_status_rec()
6730 make_snapshot_rec(frame_T *fr, frame_T **frp)  in make_snapshot_rec()  argument
6735     (*frp)->fr_layout = fr->fr_layout;  in make_snapshot_rec()
6736     (*frp)->fr_width = fr->fr_width;  in make_snapshot_rec()
6737     (*frp)->fr_height = fr->fr_height;  in make_snapshot_rec()
6738     if (fr->fr_next != NULL)  in make_snapshot_rec()
6739 	make_snapshot_rec(fr->fr_next, &((*frp)->fr_next));  in make_snapshot_rec()
6740     if (fr->fr_child != NULL)  in make_snapshot_rec()
6741 	make_snapshot_rec(fr->fr_child, &((*frp)->fr_child));  in make_snapshot_rec()
6742     if (fr->fr_layout == FR_LEAF && fr->fr_win == curwin)  in make_snapshot_rec()
6757 clear_snapshot_rec(frame_T *fr)  in clear_snapshot_rec()  argument
6759     if (fr != NULL)  in clear_snapshot_rec()
6761 	clear_snapshot_rec(fr->fr_next);  in clear_snapshot_rec()
6762 	clear_snapshot_rec(fr->fr_child);  in clear_snapshot_rec()
6763 	vim_free(fr);  in clear_snapshot_rec()
6798 check_snapshot_rec(frame_T *sn, frame_T *fr)  in check_snapshot_rec()  argument
6800     if (sn->fr_layout != fr->fr_layout  in check_snapshot_rec()
6801 	    || (sn->fr_next == NULL) != (fr->fr_next == NULL)  in check_snapshot_rec()
6802 	    || (sn->fr_child == NULL) != (fr->fr_child == NULL)  in check_snapshot_rec()
6804 		&& check_snapshot_rec(sn->fr_next, fr->fr_next) == FAIL)  in check_snapshot_rec()
6806 		&& check_snapshot_rec(sn->fr_child, fr->fr_child) == FAIL)  in check_snapshot_rec()
6818 restore_snapshot_rec(frame_T *sn, frame_T *fr)  in restore_snapshot_rec()  argument
6823     fr->fr_height = sn->fr_height;  in restore_snapshot_rec()
6824     fr->fr_width = sn->fr_width;  in restore_snapshot_rec()
6825     if (fr->fr_layout == FR_LEAF)  in restore_snapshot_rec()
6827 	frame_new_height(fr, fr->fr_height, FALSE, FALSE);  in restore_snapshot_rec()
6828 	frame_new_width(fr, fr->fr_width, FALSE, FALSE);  in restore_snapshot_rec()
6833 	wp2 = restore_snapshot_rec(sn->fr_next, fr->fr_next);  in restore_snapshot_rec()
6839 	wp2 = restore_snapshot_rec(sn->fr_child, fr->fr_child);  in restore_snapshot_rec()
6853     frame_T	*fr;  in win_hasvertsplit()  local
6859 	FOR_ALL_FRAMES(fr, topframe->fr_child)  in win_hasvertsplit()
6860 	    if (fr->fr_layout == FR_ROW)  in win_hasvertsplit()