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/*

 *  Copyright (C) 1997, 1998 Olivetti & Oracle Research Laboratory

 *

 *  This is free software; you can redistribute it and/or modify

 *  it under the terms of the GNU General Public License as published by

 *  the Free Software Foundation; either version 2 of the License, or

 *  (at your option) any later version.

 *

 *  This software is distributed in the hope that it will be useful,

 *  but WITHOUT ANY WARRANTY; without even the implied warranty of

 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 *  GNU General Public License for more details.

 *

 *  You should have received a copy of the GNU General Public License

 *  along with this software; if not, write to the Free Software

 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,

 *  USA.

 */

/*

 * vncviewer.h

 */

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <sys/time.h>

#ifdef NANOX

#define MWINCLUDECOLORS

#include "nano-X.h"

/* required for rfbproto.h */

typedef unsigned long  CARD32;

typedef unsigned short CARD16;

typedef unsigned char  CARD8;

#else

#include <X11/Xlib.h>

#include <X11/Xmd.h>

#endif

#include <rfbproto.h>

#ifdef NANOX

/* try and map some X stuff to nano-X */

#define Bool            GR_BOOL

#define True            GR_TRUE

#define False           GR_FALSE

#define XGCValues       GR_GC_INFO

typedef GR_ID                   Window;         /* from X.h */

typedef GR_ID                   Colormap;       /* from X.h */

typedef CARD32                  Atom;           /* from X.h */

typedef CARD32                  Time;           /* from X.h */

#define None                    0L              /* from X.h */

#define CurrentTime             0L              /* from X.h */

#define PropertyChangeMask      (1L<<22)        /* from X.h */

#define XA_PRIMARY              ((Atom) 1)      /* from Xatom.h */

/* Flags used in StoreNamedColor, StoreColors */

#define DoRed                   (1<<0)

#define DoGreen                 (1<<1)

#define DoBlue                  (1<<2)

#define ConnectionNumber(dpy)   ((dpy)->fd)

#define ScreenOfDisplay(dpy, scr)       (&(dpy)->screens[scr])

#define DefaultScreen(dpy)      ((dpy)->default_screen)

#define DefaultRootWindow(dpy)  (ScreenOfDisplay(dpy,DefaultScreen(dpy))->root)

#define DefaultGC(dpy, scr)     (ScreenOfDisplay(dpy,scr)->default_gc)

/* data structure used by color operations */

typedef struct {

        unsigned long pixel;

        unsigned short red, green, blue;

        char flags;  /* do_red, do_green, do_blue */

        char pad;

} XColor;

#define GCForeground    (1L<<2)

#define GCBackground    (1L<<3)

/*

 * the Screen structure is defined in Xlib.h

 */

typedef struct {

        Window root;            /* Root window id. */

} Screen;

/*

 * the Display structure is defined as _XDisplay in Xlib.h

 */

typedef struct {

        int fd;                 /* Network socket */

        int default_screen;     /* default screen for operations */

        Screen *screens;        /* pointer to list of screens */

} Display;

/*

 * the XEvent union is defined in Xlib.h

 */

typedef struct {

        int dummy;

} XEvent;

#endif  /* NANOX */

extern int endianTest;

#define Swap16IfLE(s) \

    (*(char *)&endianTest ? ((((s) & 0xff) << 8) | (((s) >> 8) & 0xff)) : (s))

#define Swap32IfLE(l) \

    (*(char *)&endianTest ? ((((l) & 0xff000000) >> 24) | \

                             (((l) & 0x00ff0000) >> 8)  | \

                             (((l) & 0x0000ff00) << 8)  | \

                             (((l) & 0x000000ff) << 24))  : (l))

#define MAX_ENCODINGS 10

/* args.c */

extern char *programName;

extern char hostname[];

extern int port;

extern Bool listenSpecified;

extern int listenPort, flashPort;

extern char *displayname;

extern Bool shareDesktop;

extern Bool viewOnly;

extern CARD32 explicitEncodings[];

extern int nExplicitEncodings;

extern Bool addCopyRect;

extern Bool addRRE;

extern Bool addCoRRE;

extern Bool addHextile;

extern Bool useBGR233;

extern Bool forceOwnCmap;

extern Bool forceTruecolour;

extern int requestedDepth;

extern char *geometry;

extern int wmDecorationWidth;

extern int wmDecorationHeight;

extern char *passwdFile;

extern int updateRequestPeriodms;

extern int updateRequestX;

extern int updateRequestY;

extern int updateRequestW;

extern int updateRequestH;

extern int rawDelay;

extern int copyRectDelay;

extern Bool debug;

extern void processArgs(int argc, char **argv);

extern void usage();

/* rfbproto.c */

extern int rfbsock;

extern Bool canUseCoRRE;

extern Bool canUseHextile;

extern char *desktopName;

extern rfbPixelFormat myFormat;

extern rfbServerInitMsg si;

extern struct timeval updateRequestTime;

extern Bool sendUpdateRequest;

extern Bool ConnectToRFBServer(const char *hostname, int port);

extern Bool InitialiseRFBConnection();

extern Bool SetFormatAndEncodings();

extern Bool SendIncrementalFramebufferUpdateRequest();

extern Bool SendFramebufferUpdateRequest(int x, int y, int w, int h,

                                         Bool incremental);

extern Bool SendPointerEvent(int x, int y, int buttonMask);

extern Bool SendKeyEvent(CARD32 key, Bool down);

extern Bool SendClientCutText(char *str, int len);

extern Bool HandleRFBServerMessage();

#ifdef NANOX

/* nanox.c */

extern Display *dpy;

extern Window canvas;

extern Colormap cmap;

extern GR_GC_ID gc;

extern GR_GC_ID srcGC, dstGC;

extern unsigned long BGR233ToPixel[];

extern Bool CreateXWindow();

extern void ShutdownX();

extern Bool HandleXEvents(GR_EVENT *ev);

extern Bool AllXEventsPredicate(Display *dpy, XEvent *ev, char *arg);

extern void CopyDataToScreen(CARD8 *buf, int x, int y, int width, int height);

/* Xlib functions */

extern char *XDisplayName(char *display);

extern int XChangeGC(Display *dpy, GR_GC_ID gc, unsigned long vmask,

        GR_GC_INFO *gcv);

extern int XStoreColor(Display *dpy, Colormap cmap, XColor *xc);

extern int XFillRectangle(Display *dpy, Window canvas, GR_GC_ID gc,

        int x, int y, int w, int h);

extern int XSync(Display *dpy, Bool discard);

extern int XCopyArea(Display *dpy, Window src, Window dst, GR_GC_ID gc, \

        int x1, int y1, int w, int h, int x2, int y2);

extern int XBell(Display *dpy, int percent);

extern int XSelectInput(Display *dpy, Window win, long evmask);

extern int XStoreBytes(Display *dpy, char *bytes, int nbytes);

extern int XSetSelectionOwner(Display *dpy, Atom sel, Window own, Time t);

#else   /* NANOX */

/* x.c */

extern Display *dpy;

extern Window canvas;

extern Colormap cmap;

extern GC gc;

extern GC srcGC, dstGC;

extern unsigned long BGR233ToPixel[];

extern Bool CreateXWindow();

extern void ShutdownX();

extern Bool HandleXEvents();

extern Bool AllXEventsPredicate(Display *dpy, XEvent *ev, char *arg);

extern void CopyDataToScreen(CARD8 *buf, int x, int y, int width, int height);

#endif  /* NANOX */

/* sockets.c */

extern Bool errorMessageFromReadExact;

extern Bool ReadExact(int sock, char *buf, int n);

extern Bool WriteExact(int sock, char *buf, int n);

extern int ListenAtTcpPort(int port);

extern int ConnectToTcpAddr(unsigned int host, int port);

extern int AcceptTcpConnection(int listenSock);

extern int StringToIPAddr(const char *str, unsigned int *addr);

extern Bool SameMachine(int sock);

/* listen.c */

extern void listenForIncomingConnections();