nano

commit ec26fd5e7c8a2fae9bc6756ab28978cd9a0a55d3
parent bde996db67e044352f4e279f0e5c80d5097510f3
Author: Benno Schulenberg <bensberg@justemail.net>
Date:   Thu, 12 Nov 2015 19:01:57 +0000

Storing the correct end position of an inserted file,
and using it for an undo and redo.


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5404 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

Diffstat:
M
ChangeLog
 | 
6
+++++-
M
src/text.c
 | 
9
++++++++-

2 files changed, 13 insertions(+), 2 deletions(-)
diff --git a/ChangeLog b/ChangeLog
@@ -1,5 +1,9 @@
+2015-11-12  Benno Schulenberg  <bensberg@justemail.net>
+	* src/text.c (do_undo, update_undo): Store the correct end position of
+	an inserted file, and use it when undoing.  Fixes Savannah bug #46414.
+
 2015-11-11  Benno Schulenberg  <bensberg@justemail.net>
-	* src/text.c (do_redo, update_undo):  Redo an Enter from the stored
+	* src/text.c (do_redo, update_undo): Redo an Enter from the stored
 	undo data, instead of running do_enter() again, because the latter
 	will behave differently depending on the setting of autoindent.
 	This addresses Debian bug #793053 reported by Clancy.
diff --git a/src/text.c b/src/text.c
@@ -587,7 +587,7 @@ void do_undo(void)
 	 * how many lines were inserted due to being partitioned before read_file
 	 * was called.  So we add its value here. */
 	openfile->mark_begin = fsfromline(u->lineno + u->mark_begin_lineno - 1);
-	openfile->mark_begin_x = 0;
+	openfile->mark_begin_x = u->mark_begin_x;
 	openfile->mark_set = TRUE;
 	goto_line_posx(u->lineno, u->begin);
 	cut_marked();
@@ -1154,7 +1154,14 @@ fprintf(stderr, "  >> Updating... action = %d, fs->last_action = %d, openfile->c
 	u->lineno = openfile->current->lineno;
 	break;
     case INSERT:
+	/* Store the number of lines of the insertion plus one. */
 	u->mark_begin_lineno = openfile->current->lineno;
+	/* When the insertion contains no newline, store the adjusted
+	 * x position; otherwise, store the length of the last line. */
+	if (openfile->fileage == openfile->filebot)
+	    u->mark_begin_x = openfile->current_x;
+	else
+	    u->mark_begin_x = strlen(openfile->filebot->data);
 	break;
     case ENTER:
 	u->strdata = mallocstrcpy(NULL, fs->current->data);