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To: vim-dev@vim.org
Subject: Patch 7.0.147
Fcc: outbox
From: Bram Moolenaar <Bram@moolenaar.net>
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------------

Patch 7.0.147
Problem:    When creating a session file and there are several tab pages and
            some windows have a local directory a short file name may be used
            when it's not valid. (Marius Roets)
            A session with multiple tab pages may result in "No Name" buffers.
            (Bill McCarthy)
Solution:   Don't enter tab pages when going through the list, only use a
            pointer to the first window in each tab page.
            Use "tabedit" instead of "tabnew | edit" when possible.
Files:      src/ex_docmd.c


*** ../vim-7.0.146/src/ex_docmd.c	Sun Sep 10 21:05:39 2006
--- src/ex_docmd.c	Tue Oct 24 12:55:11 2006
***************
*** 9643,9649 ****
  #endif
  
  #ifdef FEAT_SESSION
! static int ses_winsizes __ARGS((FILE *fd, int restore_size));
  static int ses_win_rec __ARGS((FILE *fd, frame_T *fr));
  static frame_T *ses_skipframe __ARGS((frame_T *fr));
  static int ses_do_frame __ARGS((frame_T *fr));
--- 9643,9650 ----
  #endif
  
  #ifdef FEAT_SESSION
! static int ses_winsizes __ARGS((FILE *fd, int restore_size,
! 							win_T *tab_firstwin));
  static int ses_win_rec __ARGS((FILE *fd, frame_T *fr));
  static frame_T *ses_skipframe __ARGS((frame_T *fr));
  static int ses_do_frame __ARGS((frame_T *fr));
***************
*** 9669,9676 ****
      win_T	*wp;
      char_u	*sname;
      win_T	*edited_win = NULL;
-     tabpage_T	*old_curtab = curtab;
      int		tabnr;
  
      if (ssop_flags & SSOP_BUFFERS)
  	only_save_windows = FALSE;		/* Save ALL buffers */
--- 9670,9677 ----
      win_T	*wp;
      char_u	*sname;
      win_T	*edited_win = NULL;
      int		tabnr;
+     win_T	*tab_firstwin;
  
      if (ssop_flags & SSOP_BUFFERS)
  	only_save_windows = FALSE;		/* Save ALL buffers */
***************
*** 9778,9791 ****
      /*
       * May repeat putting Windows for each tab, when "tabpages" is in
       * 'sessionoptions'.
       */
      for (tabnr = 1; ; ++tabnr)
      {
  	if ((ssop_flags & SSOP_TABPAGES))
  	{
! 	    goto_tabpage(tabnr);
! 	    if (tabnr > 1 && put_line(fd, "tabnew") == FAIL)
! 		return FAIL;
  	}
  
  	/*
--- 9779,9804 ----
      /*
       * May repeat putting Windows for each tab, when "tabpages" is in
       * 'sessionoptions'.
+      * Don't use goto_tabpage(), it may change directory and trigger
+      * autocommands.
       */
+     tab_firstwin = firstwin;	/* first window in tab page "tabnr" */
      for (tabnr = 1; ; ++tabnr)
      {
+ 	int  need_tabnew = FALSE;
+ 
  	if ((ssop_flags & SSOP_TABPAGES))
  	{
! 	    tabpage_T *tp = find_tabpage(tabnr);
! 
! 	    if (tp == NULL)
! 		break;		/* done all tab pages */
! 	    if (tp == curtab)
! 		tab_firstwin = firstwin;
! 	    else
! 		tab_firstwin = tp->tp_firstwin;
! 	    if (tabnr > 1)
! 		need_tabnew = TRUE;
  	}
  
  	/*
***************
*** 9793,9799 ****
  	 * is aborted we don't end up with a number of useless windows.
  	 * This may have side effects! (e.g., compressed or network file).
  	 */
! 	for (wp = firstwin; wp != NULL; wp = wp->w_next)
  	{
  	    if (ses_do_win(wp)
  		    && wp->w_buffer->b_ffname != NULL
--- 9806,9812 ----
  	 * is aborted we don't end up with a number of useless windows.
  	 * This may have side effects! (e.g., compressed or network file).
  	 */
! 	for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
  	{
  	    if (ses_do_win(wp)
  		    && wp->w_buffer->b_ffname != NULL
***************
*** 9803,9817 ****
  #endif
  		    )
  	    {
! 		if (fputs("edit ", fd) < 0
  			|| ses_fname(fd, wp->w_buffer, &ssop_flags) == FAIL)
  		    return FAIL;
  		if (!wp->w_arg_idx_invalid)
  		    edited_win = wp;
  		break;
  	    }
  	}
  
  	/*
  	 * Save current window layout.
  	 */
--- 9816,9835 ----
  #endif
  		    )
  	    {
! 		if (fputs(need_tabnew ? "tabedit " : "edit ", fd) < 0
  			|| ses_fname(fd, wp->w_buffer, &ssop_flags) == FAIL)
  		    return FAIL;
+ 		need_tabnew = FALSE;
  		if (!wp->w_arg_idx_invalid)
  		    edited_win = wp;
  		break;
  	    }
  	}
  
+ 	/* If no file got edited create an empty tab page. */
+ 	if (need_tabnew && put_line(fd, "tabnew") == FAIL)
+ 	    return FAIL;
+ 
  	/*
  	 * Save current window layout.
  	 */
***************
*** 9829,9835 ****
  	 * Remember the window number of the current window after restoring.
  	 */
  	nr = 0;
! 	for (wp = firstwin; wp != NULL; wp = W_NEXT(wp))
  	{
  	    if (ses_do_win(wp))
  		++nr;
--- 9847,9853 ----
  	 * Remember the window number of the current window after restoring.
  	 */
  	nr = 0;
! 	for (wp = tab_firstwin; wp != NULL; wp = W_NEXT(wp))
  	{
  	    if (ses_do_win(wp))
  		++nr;
***************
*** 9852,9864 ****
  	 */
  	if (put_line(fd, "set winheight=1 winwidth=1") == FAIL)
  	    return FAIL;
! 	if (nr > 1 && ses_winsizes(fd, restore_size) == FAIL)
  	    return FAIL;
  
  	/*
  	 * Restore the view of the window (options, file, cursor, etc.).
  	 */
! 	for (wp = firstwin; wp != NULL; wp = wp->w_next)
  	{
  	    if (!ses_do_win(wp))
  		continue;
--- 9870,9882 ----
  	 */
  	if (put_line(fd, "set winheight=1 winwidth=1") == FAIL)
  	    return FAIL;
! 	if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
  	    return FAIL;
  
  	/*
  	 * Restore the view of the window (options, file, cursor, etc.).
  	 */
! 	for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
  	{
  	    if (!ses_do_win(wp))
  		continue;
***************
*** 9879,9897 ****
  	 * Restore window sizes again after jumping around in windows, because
  	 * the current window has a minimum size while others may not.
  	 */
! 	if (nr > 1 && ses_winsizes(fd, restore_size) == FAIL)
  	    return FAIL;
  
  	/* Don't continue in another tab page when doing only the current one
  	 * or when at the last tab page. */
! 	if (!(ssop_flags & SSOP_TABPAGES) || curtab->tp_next == NULL)
  	    break;
      }
  
      if (ssop_flags & SSOP_TABPAGES)
      {
- 	if (valid_tabpage(old_curtab))
- 	    goto_tabpage_tp(old_curtab);
  	if (fprintf(fd, "tabnext %d", tabpage_index(curtab)) < 0
  		|| put_eol(fd) == FAIL)
  	    return FAIL;
--- 9897,9913 ----
  	 * Restore window sizes again after jumping around in windows, because
  	 * the current window has a minimum size while others may not.
  	 */
! 	if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
  	    return FAIL;
  
  	/* Don't continue in another tab page when doing only the current one
  	 * or when at the last tab page. */
! 	if (!(ssop_flags & SSOP_TABPAGES))
  	    break;
      }
  
      if (ssop_flags & SSOP_TABPAGES)
      {
  	if (fprintf(fd, "tabnext %d", tabpage_index(curtab)) < 0
  		|| put_eol(fd) == FAIL)
  	    return FAIL;
***************
*** 9927,9942 ****
  }
  
      static int
! ses_winsizes(fd, restore_size)
      FILE	*fd;
      int		restore_size;
  {
      int		n = 0;
      win_T	*wp;
  
      if (restore_size && (ssop_flags & SSOP_WINSIZE))
      {
! 	for (wp = firstwin; wp != NULL; wp = wp->w_next)
  	{
  	    if (!ses_do_win(wp))
  		continue;
--- 9943,9959 ----
  }
  
      static int
! ses_winsizes(fd, restore_size, tab_firstwin)
      FILE	*fd;
      int		restore_size;
+     win_T	*tab_firstwin;
  {
      int		n = 0;
      win_T	*wp;
  
      if (restore_size && (ssop_flags & SSOP_WINSIZE))
      {
! 	for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
  	{
  	    if (!ses_do_win(wp))
  		continue;
*** ../vim-7.0.146/src/version.c	Fri Oct 20 20:15:05 2006
--- src/version.c	Tue Oct 24 12:57:04 2006
***************
*** 668,669 ****
--- 668,671 ----
  {   /* Add new patch number below this line */
+ /**/
+     147,
  /**/

-- 
hundred-and-one symptoms of being an internet addict:
95. Only communication in your household is through email.

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