63 lines
1.5 KiB
C
63 lines
1.5 KiB
C
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// undo.h
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// common routines for undo operations
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#ifndef __UNDO__
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#define __UNDO__
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typedef enum
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{
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UNDO_NONE,
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UNDO_BUSY,
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UNDO_NEWBRUSH,
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UNDO_EDITBRUSH,
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UNDO_DELETEBRUSH,
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UNDO_SUBTRACT //needs to record lists differently
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} undotypes;
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typedef struct pbrush_s
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{
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brush_t *b;
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struct pbrush_s *next;
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} pbrush_t;
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typedef struct undo_s
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{
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undotypes type;
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char *title;
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brush_t brushdata; //stores COPIES of the brush data
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pbrush_t brushlist; //stores pointers to a brush
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} undo_t;
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void UNDO_Init (void);
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void UNDO_DoUndo (HWND hWnd);
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void UNDO_Reset (void);
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void UNDO_FinishBrushAdd(char *title); //needs no start
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void UNDO_StartBrushEdit(char *title);
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void UNDO_FinishBrushEdit(char *title);
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void UNDO_StartBrushDrag(void); //similar to edit, but uses temp buffer
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void UNDO_FinishBrushDrag(char *title); //similar to edit, but uses temp buffer
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void UNDO_StartBrushDelete(char *title); //needs no finish
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//test for and remove brush if in brushlist
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void UNDO_ClearSelection(brush_t *brush);
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//not sure about the selection choices yet...
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void UNDO_StartSubtraction(void);
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void UNDO_AddToSubtractData(brush_t *brush);
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void UNDO_AddToSubtractList(brush_t *brush);
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void UNDO_FinishSubtraction(char *title);
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//these routines do the actual undoing
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void UNDO_BrushClone (undo_t *buffer); //copies brushdata into world
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void UNDO_BrushRemove (undo_t *buffer); //removes any brushes in brushlist
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extern undo_t undobuffer;
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#endif
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