?? undo.h.svn-base
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#ifndef _UNDO_H#define _UNDO_H#include "buffer.h"#include "list.h"#define UNDO_OK 1#define UNDO_FAIL -1struct undo_cmd;typedef struct undo_cmd undo_cmd_t;typedef void (*action)(undo_cmd_t *);struct undo_cmd { action exec; buf_t *buf; char *data; int start; int end; int left; struct list_head list;};extern const action BUF_APPENDS_ACTION;extern const action BUF_APPENDC_ACTION;extern const action BUF_INSERTS_ACTION;extern const action BUF_INSERTC_ACTION;extern const action BUF_DELETE_ACTION;extern const action BUF_REPLACE_ACTION;extern const action BUF_RESTORE_BUF_ACTION;extern const action BUF_DELETE_BUF_ACTION;extern const action BUF_REMOVE_BUF_ACTION;void undo_cmd_add(action act, buf_t *buf, char *data, int start, int end, int left);int undo(void);int redo(void);void undo_cmd_clear_cmds(undo_cmd_t *cmd_head);#endif /* _UNDO_H */?? 快捷鍵說明
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