]> git.lyx.org Git - lyx.git/blobdiff - src/undo.h
fix typo that put too many include paths for most people
[lyx.git] / src / undo.h
index fa3d0bc087bbf3bb7a14092dc1806eaaff80593c..4ebdd89224f754a9222b54aad4646de62b982c04 100644 (file)
@@ -1,22 +1,22 @@
 // -*- C++ -*-
 /* This file is part of
  * ======================================================
- * 
+ *
  *           LyX, The Document Processor
- *      
- *         Copyright (C) 1995 Matthias Ettrich, 1995, 1996 LyX Team
  *
- *======================================================*/
-#ifndef _UNDO_H
-#define _UNDO_H
+ *           Copyright 1995 Matthias Ettrich
+ *           Copyright 1995-2001 The LyX Team.
+ *
+ * ====================================================== */
+
+#ifndef UNDO_H
+#define UNDO_H
 
 #ifdef __GNUG__
 #pragma interface
 #endif
 
-#include "definitions.h"
-#include "lyxparagraph.h"
-
+class Paragraph;
 
 ///
 class Undo {
@@ -41,122 +41,19 @@ public:
        ///
        int number_of_cursor_par;
        ///
+       int number_of_inset_id; // valid if >= 0, if < 0 then not in inset
+       ///
        int cursor_pos; // valid if >= 0
        ///
-       LyXParagraph* par;
+       Paragraph * par;
        ///
-       Undo(undo_kind kind_arg,
+       Undo(undo_kind kind_arg, int id_inset_arg,
             int number_before_arg, int number_behind_arg,
             int cursor_par_arg, int cursor_pos_arg,
-            LyXParagraph* par_arg)
-       {
-               kind = kind_arg;
-               number_of_before_par = number_before_arg;
-               number_of_behind_par = number_behind_arg;
-               number_of_cursor_par = cursor_par_arg;
-               cursor_pos = cursor_pos_arg;
-               par = par_arg;
-       }
+            Paragraph * par_arg);
        ///
-       ~Undo(){
-               LyXParagraph* tmppar;
-               while (par) {
-                       tmppar = par;
-                       par = par->next;
-                       delete tmppar;
-               }
-       }
+       ~Undo();
 };
 
 
-/// A limited Stack for the undo informations. Matthias 290496
-class UndoStack{
-private:
-       ///
-       struct StackAtom{
-               ///
-               StackAtom* previous;
-               ///
-               Undo* undo;
-       };
-       ///
-       StackAtom* current;
-       ///
-       StackAtom *tmp;
-       ///
-       int size;
-       ///
-       int limit;
-public:
-       ///
-       UndoStack(){
-               current = 0;
-               // size must be initialised (thornley)
-               size = 0;
-               limit = 100; // the maximum number of undo steps stored. 0 means NO LIMIT. 
-               // Limit can be changed with UndoStack::SetStackLimit(int) 
-       }
-       ///
-       Undo *Pop(){
-               Undo* result = 0;
-               if (current){
-                       result = current->undo;
-                       tmp = current;
-                       current = current->previous;
-                       delete tmp;
-                       size--;
-               }
-               else {
-                       size = 0; // for safety...
-               }
-               return result;
-       }
-       ///
-       Undo* Top(){
-               if (current)
-                       return current->undo;
-               else
-                       return 0;
-       }
-       ///
-       ~UndoStack(){
-               Clear();
-       }
-       ///
-       void Clear(){
-               Undo* tmp_undo = Pop();
-               while (tmp_undo){
-                       delete tmp_undo;
-                       tmp_undo = Pop();
-               }
-       }
-       ///
-       void SetStackLimit(int limit_arg) {
-               limit = limit_arg;
-       }
-    
-       ///
-       void Push(Undo* undo_arg){
-               int i;
-               StackAtom* tmp2;
-               if (undo_arg){
-                       tmp = new StackAtom;
-                       tmp->undo = undo_arg;
-                       tmp->previous = current;
-                       current = tmp;
-                       size++;
-                       if (limit && size > limit){
-                               for (i=0; i<limit && tmp; i++)
-                                       tmp = tmp->previous;
-                               while(tmp && tmp->previous){
-                                       tmp2 = tmp->previous->previous;
-                                       delete tmp->previous;
-                                       size--;
-                                       tmp->previous = tmp2;
-                               }
-                       }
-               }
-       }
-};
-
 #endif