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A* -------------------------------------------------------------------
B* This file contains source code for the PyMOL computer program
C* copyright 1998-2000 by Warren Lyford Delano of DeLano Scientific. 
D* -------------------------------------------------------------------
E* It is unlawful to modify or remove this copyright notice.
F* -------------------------------------------------------------------
G* Please see the accompanying LICENSE file for further information. 
H* -------------------------------------------------------------------
I* Additional authors of this source file include:
Z* -------------------------------------------------------------------
#ifndef _H_Seq
#define _H_Seq

#include "Ortho.h"
#include "PyMOLObject.h"

typedef struct {
  int start;
  int stop;
  int offset;
  int atom_at;                  /* starting offset in list */
  int inverse;
  int unaligned;
  int spacer;
  int state;
  int color;
  int tag;
  int is_abbr, hint_no_space;
} CSeqCol;

typedef struct {
  ov_size len, ext_len;
  int label_flag, column_label_flag;
  int color;
  char *txt;
  CSeqCol *col, *fill;
  int nCol, cCol;
  int nFill;
  int *char2col;
  int *atom_lists;
  ObjectNameType name;          /* associated object */
  struct ObjectMolecule *obj;   /* this pointer only valid during update */
  struct AtomInfoType *last_ai;
  int accum, current, title_width;      /* temporary stores for aligning */
} CSeqRow;

typedef struct {
  CSeqRow *(*fClick) (PyMOLGlobals * G, CSeqRow * rowVLA, int button, int row, int col,
                      int mod, int x, int y);
  CSeqRow *(*fDrag) (PyMOLGlobals * G, CSeqRow * rowVLA, int row, int col, int mod);
  CSeqRow *(*fRelease) (PyMOLGlobals * G, CSeqRow * rowVLA, int button, int row, int col,
                        int mod);
  void (*fRefresh) (PyMOLGlobals * G, CSeqRow * rowVLA);
  int box_active, box_row;
  int box_start_col, box_stop_col;
} CSeqHandler;

int SeqInit(PyMOLGlobals * G);
void SeqFree(PyMOLGlobals * G);
Block *SeqGetBlock(PyMOLGlobals * G);

int SeqIdling(PyMOLGlobals * G);
void SeqInterrupt(PyMOLGlobals * G);
int SeqGetHeight(PyMOLGlobals * G);
void SeqSetHandler(PyMOLGlobals * G, CSeqHandler * handler);
void SeqSetRowVLA(PyMOLGlobals * G, CSeqRow * row, int nRow);
CSeqRow *SeqGetRowVLA(void);
void SeqDirty(PyMOLGlobals * G);        /* sequence dirty -- need to update selections */
void SeqChanged(PyMOLGlobals * G);      /* sequence changed -- need to rebuild */
void SeqUpdate(PyMOLGlobals * G);


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