[w3m-dev 03553] Undo/Redo

* fm.h (Buffer): add undo
	(BufferPos): added
* funcname.tab (REDO): added
		(UNDO): added
* main.c (save_buffer_position): added
	(main): save_buffer_position
	(resetPos): added
	(undoPos): added
	(redoPos): added
* proto.h (undoPos): added
	(redoPos): added
From: Hironori SAKAMOTO <hsaka@mth.biglobe.ne.jp>

1 files changed, 11 insertions, 1 deletions

diff --git a/fm.h b/fm.h
index 5b706fd..0fa4cbd 100644
--- a/fm.h
+++ b/fm.h
@@ -1,4 +1,4 @@
-/* $Id: fm.h,v 1.94 2002/12/06 16:50:13 ukai Exp $ */
+/* $Id: fm.h,v 1.95 2002/12/10 15:51:14 ukai Exp $ */
 /* 
  * w3m: WWW wo Miru utility
  * 
@@ -460,8 +460,18 @@ typedef struct _Buffer {
     char image_flag;
     char need_reshape;
     Anchor *submit;
+    struct _BufferPos *undo;
 } Buffer;
 
+typedef struct _BufferPos {
+    long top_linenumber;
+    long cur_linenumber;
+    short currentColumn;
+    short pos;
+    struct _BufferPos *next;
+    struct _BufferPos *prev;
+} BufferPos;
+
 typedef struct _TabBuffer {
     struct _TabBuffer *nextTab;
     struct _TabBuffer *prevTab;