* LyX, The Document Processor
*
* Copyright 1995 Matthias Ettrich
- * Copyright 1995-1999 The LyX Team.
+ * Copyright 1995-2001 The LyX Team.
*
* ====================================================== */
#include <config.h>
-#include "undo.h"
-
#ifdef __GNUG__
#pragma implementation
#endif
-UndoStack::UndoStack()
- : limit(100) {}
-
-
-Undo * UndoStack::Pop()
-{
- if (stakk.empty()) return 0;
- Undo * result = stakk.front();
- stakk.pop_front();
- return result;
-}
-
-
-Undo * UndoStack::Top()
-{
- if (stakk.empty()) return 0;
- return stakk.front();
-}
+#include "undo.h"
+#include "paragraph.h"
-UndoStack::~UndoStack()
+Undo::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,
+ Paragraph * par_arg)
{
- Clear();
+ kind = kind_arg;
+ number_of_inset_id = id_inset_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;
}
-void UndoStack::Clear()
+Undo::~Undo()
{
- while (!stakk.empty()) {
- Undo * tmp = stakk.front();
- stakk.pop_front();
- delete tmp;
+ Paragraph * tmppar;
+ while (par) {
+ tmppar = par;
+ par = par->next();
+ delete tmppar;
}
}
-void UndoStack::SetStackLimit(Stakk::size_type l)
-{
- limit = l;
-}
-
-
-void UndoStack::Push(Undo * undo_arg)
-{
- if (!undo_arg) return;
-
- stakk.push_front(undo_arg);
- if (stakk.size() > limit) {
- Undo * tmp = stakk.back();
- stakk.pop_back();
- delete tmp;
- }
-}