#ifndef XCDDRAW_H
#define XCDDRAW_H

#include "lex.h"

#include "global.h"
#include <Xm/ScrollBar.h>

typedef enum draw_kind 
         { NONE,
           CONS_VERTEX, ALT_VERTEX, REP_VERTEX,TERM_VERTEX,
           EXT_VERTEX, PARAM_VERTEX,
	   REQ_EDGE, OPT_EDGE, ALT_EDGE,
           REQ_C_EDGE, OPT_C_EDGE,
           REQ_R_EDGE, OPT_R_EDGE,
           INH_EDGE,
           PAR_EDGE,
           PAR_INST_EDGE } draw_kind;


typedef enum rwflag_t { READONLY, READWRITE };


typedef enum primary_flag_t { 
         PRIMARY,        /* draw with * */
	 PRIMARY_OF,     /* has nonprimary ones in its family */
	 NONPRIMARY,
	 UNCLASSICFIED,
	      UNKNOWN };

typedef enum selectflag_t { SELECT_EDGE_START_POINT,
			  SELECT_EDGE_END_POINT,
                          SELECT_EDGE_INNER_POINT,
                          SELECT_EDGE_LABEL,
                          SELECT_EDGE,
                          SELECT_VERTEX_NAME,
                          SELECT_VERTEX,
                          NOT_SELECTED };

extern char message[];
extern void xm_print_message(char *m);
extern int moving_flag;
extern Widget       draw_area;
extern Pixmap       drawing_pixmap;
extern Widget       xcddraw_helplabel;
extern Widget       xcddraw_filelabelcontent;
extern Widget       cddraw_framework;
extern int    pix_hoffset,
                    pix_voffset,
                    view_width,
                    view_height,
                    sw_hoffset,
                    sw_voffset;
extern Widget       draw_vsb,draw_hsb;
extern XtAppContext app;

extern GC     zoom_gc;
extern GC     xorgc;
extern GC     class_gc;
extern GC     label_gc;

extern GC     p_v_gc;
extern GC     up_v_gc;
extern GC     par_p_v_gc;
extern GC     par_up_v_gc;

extern GC     reversed_class_gc;
extern GC     reversed_label_gc;
extern GC     reversed_p_v_gc;
extern GC     reversed_up_v_gc;

extern GC re_gc;
extern GC oe_gc;
extern GC ae_bgc;
extern GC ae_fgc;
extern GC ie_bgc;
extern GC ie_fgc;
extern GC pe_gc;
extern GC pie_gc;
extern GC trash_gc;


extern GC  xor_class_gc;
extern GC  xor_label_gc;

extern GC  xor_p_v_gc;
extern GC  xor_up_v_gc;
extern GC  xor_par_p_v_gc;
extern GC  xor_par_up_v_gc;

extern GC xor_re_gc;
extern GC xor_oe_gc;
extern GC xor_ae_bgc;
extern GC xor_ae_fgc;
extern GC xor_ie_bgc;
extern GC xor_ie_fgc;
extern GC xor_pe_gc;
extern GC xor_pie_gc;

extern XFontStruct *class_font;
extern XFontStruct *label_font;

extern int    draw_area_width;
extern int    draw_area_height;

extern int box_height;
extern int box_width; 

#include "obj-store.h"

extern GraphicsObject *selected_object;


extern VertexObject   *drawing_vertex;
extern EdgeObject     *drawing_edge;

typedef struct drawing_choices_t {
   int cv;     /* construction vertex */
   int av;     /* alternation vertex */
   int rv;     /* repetition vertex */
   int tv;     /* terminal vertex */
   int ev;     /* external vertex (C type, external class type)*/
   int pv;     /* parameter class */

   int re;     /* reqiured edge (construction and repetition) */
   int oe;     /* optional edge (construiction and repetition */
   int ae;     /* alternation edge */
   int ie;     /* inheritance edge */
   int pe;     /* parameter edge */
   int pie;    /* parameter class instantiation edge */

   int trash;
   int sel;
} drawing_choices_t;

extern drawing_choices_t drawing_choices;

typedef struct graphics_data {
  int start_x, start_y, last_x, last_y;
  int next_pos;

  GC  gc;
  GC  xorgc;

  int background, foreground;

  drawing_choices_t *choice;

  enum draw_kind last_action;
} graphics_data;

typedef struct control_data {
   drawing_choices_t        *d_choices;
   int                      *cur_value;
   pixmap_data              *p_data;
   pixmap_data              *all_p_data;
   Widget                   *choices;
} control_data;

#define max(a,b) ((int)(a)>(int)(b)?(int)(a):(int)(b))
#define min(a,b) ((int)(a)<(int)(b)?(int)(a):(int)(b))
#define abs(a)  ((int)(a)<0?(int)(-(a)):(int)(a))

class ObjectStore;
class VertexStore;

extern VertexStore *vertex_store;
extern ObjectStore *consedge_store;
extern ObjectStore *repedge_store;
extern ObjectStore *altedge_store;
extern ObjectStore *inhedge_store;
extern ObjectStore *paredge_store;
extern ObjectStore *parinstedge_store;

extern void press_draw(Widget, graphics_data*,XEvent*);
extern void track_draw(Widget, graphics_data*,XEvent*);
void move_objects(Widget w,graphics_data* data,XEvent* e);
extern void release_draw(Widget,   graphics_data*,XEvent*);
extern void redraw();
extern void check_update_flag();

void draw_zoom_view();
void create_zoom_view(Widget w, XtPointer unused1, XtPointer unsed2);



#endif /* XCDDRAW_H */