37 lines
844 B
C
37 lines
844 B
C
#ifndef _undo_h
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#define _undo_h
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#include "edUtils.h"
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enum undoEvents {
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undoDelete=0,
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undoInsert,
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undoReplace,
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undoExtend,
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undoUnextend,
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undoNullCommand,
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undoMark
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};
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typedef struct bnode *UndoBucketPtr;
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typedef struct bnode{
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int event;
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int sequence;
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int position;
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int character;
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struct bnode *next;
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EdStructPtr xx;
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int time;
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} UndoBucket;
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extern UndoBucketPtr bucketStack;
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extern void cleanUpStack(UndoBucketPtr *stack);
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extern void recordEdit (UndoBucketPtr *stack, EdStruct *xx, int undoEvent, int seq, int pos, char ch, int time);
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extern void retrieveEdit (UndoBucketPtr *stack, EdStruct **xx, int *undoEvent, int *seq, int *pos, char *ch, int *time);
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extern void cleanUpAllStacks();
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extern int editsMade(EdStruct *xx);
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extern int get_uniq_id();
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#endif /* _undo_h */
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