To: vim_dev@googlegroups.com
Subject: Patch 7.3.462
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From: Bram Moolenaar <Bram@moolenaar.net>
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------------

Patch 7.3.462
Problem:    When using ":loadview" folds may be closed unexpectedly.
Solution:   Take into account foldlevel. (Xavier de Gaye)
Files:	    src/fold.c


*** ../vim-7.3.461/src/fold.c	2012-01-10 22:26:12.000000000 +0100
--- src/fold.c	2012-02-29 19:18:07.000000000 +0100
***************
*** 3292,3298 ****
  /* put_folds() {{{2 */
  #if defined(FEAT_SESSION) || defined(PROTO)
  static int put_folds_recurse __ARGS((FILE *fd, garray_T *gap, linenr_T off));
! static int put_foldopen_recurse __ARGS((FILE *fd, garray_T *gap, linenr_T off));
  
  /*
   * Write commands to "fd" to restore the manual folds in window "wp".
--- 3292,3299 ----
  /* put_folds() {{{2 */
  #if defined(FEAT_SESSION) || defined(PROTO)
  static int put_folds_recurse __ARGS((FILE *fd, garray_T *gap, linenr_T off));
! static int put_foldopen_recurse __ARGS((FILE *fd, win_T *wp, garray_T *gap, linenr_T off));
! static int put_fold_open_close __ARGS((FILE *fd, fold_T *fp, linenr_T off));
  
  /*
   * Write commands to "fd" to restore the manual folds in window "wp".
***************
*** 3312,3318 ****
  
      /* If some folds are manually opened/closed, need to restore that. */
      if (wp->w_fold_manual)
! 	return put_foldopen_recurse(fd, &wp->w_folds, (linenr_T)0);
  
      return OK;
  }
--- 3313,3319 ----
  
      /* If some folds are manually opened/closed, need to restore that. */
      if (wp->w_fold_manual)
! 	return put_foldopen_recurse(fd, wp, &wp->w_folds, (linenr_T)0);
  
      return OK;
  }
***************
*** 3352,3363 ****
   * Returns FAIL when writing failed.
   */
      static int
! put_foldopen_recurse(fd, gap, off)
      FILE	*fd;
      garray_T	*gap;
      linenr_T	off;
  {
      int		i;
      fold_T	*fp;
  
      fp = (fold_T *)gap->ga_data;
--- 3353,3366 ----
   * Returns FAIL when writing failed.
   */
      static int
! put_foldopen_recurse(fd, wp, gap, off)
      FILE	*fd;
+     win_T	*wp;
      garray_T	*gap;
      linenr_T	off;
  {
      int		i;
+     int		level;
      fold_T	*fp;
  
      fp = (fold_T *)gap->ga_data;
***************
*** 3367,3393 ****
  	{
  	    if (fp->fd_nested.ga_len > 0)
  	    {
! 		/* open/close nested folds while this fold is open */
  		if (fprintf(fd, "%ld", fp->fd_top + off) < 0
  			|| put_eol(fd) == FAIL
  			|| put_line(fd, "normal zo") == FAIL)
  		    return FAIL;
! 		if (put_foldopen_recurse(fd, &fp->fd_nested, off + fp->fd_top)
  			== FAIL)
  		    return FAIL;
  	    }
- 	    if (fprintf(fd, "%ld", fp->fd_top + off) < 0
- 		    || put_eol(fd) == FAIL
- 		    || fprintf(fd, "normal z%c",
- 				    fp->fd_flags == FD_CLOSED ? 'c' : 'o') < 0
- 		    || put_eol(fd) == FAIL)
- 		return FAIL;
  	}
  	++fp;
      }
  
      return OK;
  }
  #endif /* FEAT_SESSION */
  
  /* }}}1 */
--- 3370,3429 ----
  	{
  	    if (fp->fd_nested.ga_len > 0)
  	    {
! 		/* open nested folds while this fold is open */
  		if (fprintf(fd, "%ld", fp->fd_top + off) < 0
  			|| put_eol(fd) == FAIL
  			|| put_line(fd, "normal zo") == FAIL)
  		    return FAIL;
! 		if (put_foldopen_recurse(fd, wp, &fp->fd_nested,
! 							     off + fp->fd_top)
  			== FAIL)
  		    return FAIL;
+ 		/* close the parent when needed */
+ 		if (fp->fd_flags == FD_CLOSED)
+ 		{
+ 		    if (put_fold_open_close(fd, fp, off) == FAIL)
+ 			return FAIL;
+ 		}
+ 	    }
+ 	    else
+ 	    {
+ 		/* Open or close the leaf according to the window foldlevel.
+ 		 * Do not close a leaf that is already closed, as it will close
+ 		 * the parent. */
+ 		level = foldLevelWin(wp, off + fp->fd_top);
+ 		if ((fp->fd_flags == FD_CLOSED && wp->w_p_fdl >= level)
+ 			|| (fp->fd_flags != FD_CLOSED && wp->w_p_fdl < level))
+ 		if (put_fold_open_close(fd, fp, off) == FAIL)
+ 		    return FAIL;
  	    }
  	}
  	++fp;
      }
  
      return OK;
  }
+ 
+ /* put_fold_open_close() {{{2 */
+ /*
+  * Write the open or close command to "fd".
+  * Returns FAIL when writing failed.
+  */
+     static int
+ put_fold_open_close(fd, fp, off)
+     FILE	*fd;
+     fold_T	*fp;
+     linenr_T	off;
+ {
+     if (fprintf(fd, "%ld", fp->fd_top + off) < 0
+ 	    || put_eol(fd) == FAIL
+ 	    || fprintf(fd, "normal z%c",
+ 			   fp->fd_flags == FD_CLOSED ? 'c' : 'o') < 0
+ 	    || put_eol(fd) == FAIL)
+ 	return FAIL;
+ 
+     return OK;
+ }
  #endif /* FEAT_SESSION */
  
  /* }}}1 */
*** ../vim-7.3.461/src/version.c	2012-02-29 18:22:03.000000000 +0100
--- src/version.c	2012-02-29 18:40:43.000000000 +0100
***************
*** 716,717 ****
--- 716,719 ----
  {   /* Add new patch number below this line */
+ /**/
+     462,
  /**/

-- 
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~
~
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 /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net   \\\
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