#ifndef UNDO_H
#define UNDO_H
+#include "dociterator.h"
#include "ParagraphList_fwd.h"
+
#include "support/types.h"
+#include <string>
+
class LCursor;
class BufferView;
* contains complete paragraphs and sufficient information
* to restore the state.
*/
-class Undo {
-public:
+struct Undo {
/// This is used to combine consecutive undo recordings of the same kind.
enum undo_kind {
/**
ATOMIC
};
- /// constructor
- Undo(undo_kind kind, int text, int index,
- int first_par, int end_par, int cursor_par, int cursor_pos);
-
-public:
- /// which kind of operation are we recording for?
+ /// Which kind of operation are we recording for?
undo_kind kind;
- /// hosting LyXText counted from buffer begin
- int text;
- /// cell in a tabular or similar
- int index;
- /// offset to the first paragraph in the paragraph list
- int first_par;
- /// offset to the last paragraph from the end of paragraph list
- int end_par;
- /// offset to the first paragraph in the paragraph list
- int cursor_par;
- /// the position of the cursor in the hosting paragraph
- int cursor_pos;
- /// the contents of the paragraphs saved
+ /// the position of the cursor
+ StableDocIterator cursor;
+ /// counted from begin of buffer
+ lyx::par_type from;
+ /// complement to end of this cell
+ lyx::par_type end;
+ /// the contents of the saved paragraphs (for texted)
ParagraphList pars;
+ /// the contents of the saved matharray (for mathed)
+ std::string array;
};
/// makes sure the next operation will be stored
void finishUndo();
-/// whilst undo is frozen, all actions do not get added to the undo stack
-void freezeUndo();
-
-/// track undos again
-void unFreezeUndo();
-
/**
* Record undo information - call with the current cursor and the 'other
* will record the original information of the paragraphs in the undo stack.
*/
-/// the common case: prepare undo for an arbitrary range
+/// The general case: prepare undo for an arbitrary range.
void recordUndo(LCursor & cur, Undo::undo_kind kind,
- lyx::paroffset_type from, lyx::paroffset_type to);
+ lyx::par_type from, lyx::par_type to);
-/// convienience: prepare undo for the range between 'from' and cursor.
-void recordUndo(LCursor & cur, Undo::undo_kind kind, lyx::paroffset_type from);
+/// Convenience: prepare undo for the range between 'from' and cursor.
+void recordUndo(LCursor & cur, Undo::undo_kind kind, lyx::par_type from);
-/// convienience: prepare undo for the single paragraph containing the cursor
+/// Convenience: prepare undo for the single paragraph or cell
+/// containing the cursor
void recordUndo(LCursor & cur, Undo::undo_kind kind = Undo::ATOMIC);
+/// Convenience: prepare undo for the inset containing the cursor
+void recordUndoInset(LCursor & cur, Undo::undo_kind kind = Undo::ATOMIC);
+/// Convenience: prepare undo for the selected paragraphs
+void recordUndoSelection(LCursor & cur, Undo::undo_kind kind = Undo::ATOMIC);
-/// convienience: prepare undo for the single paragraph containing the cursor
+/// Convenience: prepare undo for the single paragraph containing the cursor
void recordUndoFullDocument(LCursor & cur);
-/// are we avoiding tracking undos currently?
-extern bool undo_frozen;
-
#endif // UNDO_FUNCS_H