#ifndef WH_INTERNAL_H_595eec86_
#define WH_INTERNAL_H_595eec86_

#include <aio.h>

#include "lx.h"

typedef unsigned int CARD32;
typedef unsigned short int CARD16;
typedef unsigned char CARD8;
typedef signed short int INT16;

typedef enum {
	  BS_NEVER = 1,
	  BS_WHENMAPPED,
	  BS_ALWAYS,
	  } BACKINGSTORE;

typedef unsigned char VISUALCLASS;
#define VC_StaticGray  0
#define VC_GrayScale   1
#define VC_StaticColor 2
#define VC_PseudoColor 3
#define VC_TrueColor   4
#define VC_DirectColor 5
#define VC__MUTABLE(vc) ((vc)&1)

typedef struct open_state OPEN_STATE;
typedef struct str_list STR_LIST;
typedef struct str_entry STR_ENTRY;
typedef struct pmformat PMFORMAT;
typedef struct screen SCREEN;
typedef struct screendepth SCREENDEPTH;
typedef struct visualtype VISUALTYPE;

struct lx_conn {
  unsigned int flags;
#define XCF_FAIL     0x00000001
#define XCF_OWN_LOOP 0x00000002
#define XCF_OPENING  0x00000004
#define XCF_DEBUG    0x00000008
#define XCF_BREAK    0x00000010
  int fd;
  int sno;
  AIO_LOOP *io;
  AIO_OQ oq;
  int pid;
  unsigned int proto_major;
  unsigned int proto_minor;
  unsigned int release;
  unsigned int resource_base;
  unsigned int resource_mask;
  unsigned int resource_val;
  unsigned int resource_inc;
  unsigned int motion_size;
  int vendor_len;
  char *vendor;
  unsigned int max_request;
  int nscreens;
  int nformats;
  LX_IMAGE_BYTE_ORDER ibo;
  LX_BITMAP_BIT_ORDER bbo;
  int scanline_unit;
  int scanline_pad;
  int keycode_min;
  int keycode_max;
  PMFORMAT *pmformats;
  SCREEN *screens;
  int (*gotdata)(LX_CONN *, const void *, int);
  OPEN_STATE *os;
  CARD32 next_serial;
  LX_OP *pendingf;
  LX_OP *pendingb;
  char *text;
  unsigned char *rb;
  int rba;
  int rbl;
  int rbw;
  void *udata;
  LX_X_ERR_ACTION (*x_err)(LX_CONN *, const LX_X_ERR *);
  void (*lib_err)(LX_CONN *, const LX_LIB_ERR *);
  } ;

typedef enum {
	  LXS_USER = 1,
	  } LX_OP_STATE;
struct lx_op {
  LX_CONN *conn;
  LX_OP *flink;
  LX_OP *blink;
  CARD32 serial;
  int extra;
  void (*usercb)(void *);
  void *usercbarg;
  void (*done)(LX_OP *, const unsigned char *);
  void *reqpriv;
  unsigned int flags;
#define LXOF_DONE 0x00000001
#define LXOF_MORE 0x00000002
#define LXOF_DROP 0x00000004
#define LXOF_KEEP 0x00000008
#define LXOF_LINK 0x00000010
  void *udata;
  } ;

struct pmformat {
  unsigned char depth;
  unsigned char bpp;
  unsigned char scanline_pad;
  } ;

struct screen {
  LX_XID root;
  LX_XID cmap;
  CARD32 whitepixel;
  CARD32 blackpixel;
  CARD32 inputmasks;
  CARD16 w_pixels;
  CARD16 h_pixels;
  CARD16 w_mm;
  CARD16 h_mm;
  CARD16 min_maps;
  CARD16 max_maps;
  LX_XID rootvisual;
  BACKINGSTORE backingstore;
  int saveunders;
  CARD8 rootdepth;
  CARD8 ndepths;
  SCREENDEPTH *depths;
  } ;

struct screendepth {
  CARD8 depth;
  CARD16 nvisuals;
  VISUALTYPE *visuals;
  } ;

struct visualtype {
  LX_XID id;
  VISUALCLASS class;
  CARD8 bitsperrgb;
  CARD16 cmapentries;
  CARD32 rmask;
  CARD32 gmask;
  CARD32 bmask;
  } ;

struct str_list {
  STR_ENTRY *head;
  STR_ENTRY **tail;
  } ;

struct str_entry {
  STR_ENTRY *link;
  char *str;
  } ;

struct open_state {
  LX_CONN *conn;
  unsigned int flags;
#define OSF_NUMERIC_ADDR 0x00000001
#define OSF_NO_PREAMBLE  0x00000002
  void (*err)(const LX_LIB_ERR *, void *);
  void (*done)(LX_CONN *, void *);
  void *cbarg;
  int dispno;
  struct addrinfo *ai0;
  struct addrinfo *ai;
  int fd;
  int pid;
  int bid;
  unsigned char *ihdata;
  int ihwant;
  int ihfill;
  char *text;
  char *failmsg;
  int multifail;
  } ;

extern const LX_LIB_ERR lx__nomem_err;

extern void lx__str_list_init(STR_LIST *);
extern int lx__str_list_push_printf(STR_LIST *, const char *, ...)
	__attribute__((__format__(__printf__,2,3)));
extern void lx__str_list_flush(STR_LIST *);

extern void lx__protoerr(LX_CONN *, const char *, ...)
	__attribute__((__format__(__printf__,2,3)));

#define r_card16 lx__r_card16
extern CARD16 r_card16(const unsigned char *);
#define w_card16 lx__w_card16
extern void w_card16(unsigned char *, CARD16);
#define r_int16 lx__r_int16
extern INT16 r_int16(const unsigned char *);
#define w_int16 lx__w_int16
extern void w_int16(unsigned char *, INT16);
#define r_card32 lx__r_card32
extern CARD32 r_card32(const unsigned char *);
#define w_card32 lx__w_card32
extern void w_card32(unsigned char *, CARD32);

/*
 * Mapping between protocol values and API values.
 */
extern int lx__wclass_to_proto(LX_WINDOW_CLASS);
extern LX_WINDOW_CLASS lx__proto_to_wclass(unsigned int);
extern int lx__backingstore_to_proto(LX_BACKINGSTORE);
extern LX_BACKINGSTORE lx__proto_to_backingstore(unsigned int);
extern int lx__bitgravity_to_proto(LX_GRAVITY);
extern LX_GRAVITY lx__proto_to_bitgravity(unsigned int);
extern int lx__wingravity_to_proto(LX_GRAVITY);
extern LX_GRAVITY lx__proto_to_wingravity(unsigned int);
extern int lx__gcfunction_to_proto(LX_GCFUNCTION);
extern LX_GCFUNCTION lx__proto_to_gcfunction(unsigned int);
extern int lx__gclinestyle_to_proto(LX_GCLINESTYLE);
extern LX_GCLINESTYLE lx__proto_to_gclinestyle(unsigned int);
extern int lx__gccapstyle_to_proto(LX_GCCAPSTYLE);
extern LX_GCCAPSTYLE lx__proto_to_gccapstyle(unsigned int);
extern int lx__gcjoinstyle_to_proto(LX_GCJOINSTYLE);
extern LX_GCJOINSTYLE lx__proto_to_gcjoinstyle(unsigned int);
extern int lx__gcfillstyle_to_proto(LX_GCFILLSTYLE);
extern LX_GCFILLSTYLE lx__proto_to_gcfillstyle(unsigned int);
extern int lx__gcfillrule_to_proto(LX_GCFILLRULE);
extern LX_GCFILLRULE lx__proto_to_gcfillrule(unsigned int);
extern int lx__gcsubwindowmode_to_proto(LX_GCSUBWINDOWMODE);
extern LX_GCSUBWINDOWMODE lx__proto_to_gcsubwindowmode(unsigned int);
extern int lx__gcarcmode_to_proto(LX_GCARCMODE);
extern LX_GCARCMODE lx__proto_to_gcarcmode(unsigned int);
extern int lx__coordmode_to_proto(LX_COORDMODE);

extern void lx__send_req(LX_CONN *, const unsigned char *, int);
extern void lx__send_req_free(LX_CONN *, unsigned char *, int);
extern LX_OP *lx__expect_reply(LX_CONN *, const unsigned char *, int, void (*)(LX_OP *, const unsigned char *), void *, int);
extern int lx__proto_pkt(LX_CONN *, const void *, int);
extern void lx__proto_newpkt(LX_CONN *);
extern LX_XID lx__new_resource_id(LX_CONN *);
extern int lx__loop_once(LX_CONN *);
extern void lx__teardown_xc(LX_CONN *);
extern void lx__teardown_os(OPEN_STATE *);
extern void lx__bad_call(LX_CONN *, const char *);
extern void lx__nomem_fail(LX_CONN *);
extern LX_X_ERR_ACTION lx__default_x_err(LX_CONN *, const LX_X_ERR *);
extern void lx__default_lib_err(LX_CONN *, const LX_LIB_ERR *);

#endif