/* $XConsortium: Xlib.h,v 11.221 93/07/02 14:13:28 gildea Exp $ */
/* 
 * Copyright 1985, 1986, 1987, 1991 by the Massachusetts Institute of Technology
 *
 * Permission to use, copy, modify, and distribute this software and its
 * documentation for any purpose and without fee is hereby granted, provided 
 * that the above copyright notice appear in all copies and that both that 
 * copyright notice and this permission notice appear in supporting 
 * documentation, and that the name of M.I.T. not be used in advertising
 * or publicity pertaining to distribution of the software without specific, 
 * written prior permission. M.I.T. makes no representations about the 
 * suitability of this software for any purpose.  It is provided "as is"
 * without express or implied warranty.
 *
 * X Window System is a Trademark of MIT.
 *
 */


/*
 *	Xlib.h - Header definition and support file for the C subroutine
 *	interface library (Xlib) to the X Window System Protocol (V11).
 *	Structures and symbols starting with "_" are private to the library.
 */
#ifndef _XLIB_H_
#define _XLIB_H_

#define XlibSpecificationRelease 5

#ifdef MAC_TCL
#   include <X.h>
#   define Cursor XCursor
#   define Region XRegion
#else
#   include <X11/X.h>
#endif

/* applications should not depend on these two headers being included! */
#ifdef MAC_TCL
#include <Xfuncproto.h>
#else
#include <X11/Xfuncproto.h>
#endif

#ifndef X_WCHAR
#ifdef X_NOT_STDC_ENV
#define X_WCHAR
#endif
#endif

#ifndef X_WCHAR
#include <stddef.h>
#else
/* replace this with #include or typedef appropriate for your system */
typedef unsigned long wchar_t;
#endif

typedef char *XPointer;

#define Bool int
#ifdef MAC_TCL
#define Status int
#else
typedef int Status;
#endif
#define True 1
#define False 0

#define QueuedAlready 0
#define QueuedAfterReading 1
#define QueuedAfterFlush 2

#define ConnectionNumber(dpy) 	((dpy)->fd)
#define RootWindow(dpy, scr) 	(((dpy)->screens[(scr)]).root)
#define DefaultScreen(dpy) 	((dpy)->default_screen)
#define DefaultRootWindow(dpy) 	(((dpy)->screens[(dpy)->default_screen]).root)
#define DefaultVisual(dpy, scr) (((dpy)->screens[(scr)]).root_visual)
#define DefaultGC(dpy, scr) 	(((dpy)->screens[(scr)]).default_gc)
#define BlackPixel(dpy, scr) 	(((dpy)->screens[(scr)]).black_pixel)
#define WhitePixel(dpy, scr) 	(((dpy)->screens[(scr)]).white_pixel)
#define AllPlanes 		((unsigned long)~0L)
#define QLength(dpy) 		((dpy)->qlen)
#define DisplayWidth(dpy, scr) 	(((dpy)->screens[(scr)]).width)
#define DisplayHeight(dpy, scr) (((dpy)->screens[(scr)]).height)
#define DisplayWidthMM(dpy, scr)(((dpy)->screens[(scr)]).mwidth)
#define DisplayHeightMM(dpy, scr)(((dpy)->screens[(scr)]).mheight)
#define DisplayPlanes(dpy, scr) (((dpy)->screens[(scr)]).root_depth)
#define DisplayCells(dpy, scr) 	(DefaultVisual((dpy), (scr))->map_entries)
#define ScreenCount(dpy) 	((dpy)->nscreens)
#define ServerVendor(dpy) 	((dpy)->vendor)
#define ProtocolVersion(dpy) 	((dpy)->proto_major_version)
#define ProtocolRevision(dpy) 	((dpy)->proto_minor_version)
#define VendorRelease(dpy) 	((dpy)->release)
#define DisplayString(dpy) 	((dpy)->display_name)
#define DefaultDepth(dpy, scr) 	(((dpy)->screens[(scr)]).root_depth)
#define DefaultColormap(dpy, scr)(((dpy)->screens[(scr)]).cmap)
#define BitmapUnit(dpy) 	((dpy)->bitmap_unit)
#define BitmapBitOrder(dpy) 	((dpy)->bitmap_bit_order)
#define BitmapPad(dpy) 		((dpy)->bitmap_pad)
#define ImageByteOrder(dpy) 	((dpy)->byte_order)
#define NextRequest(dpy)	((dpy)->request + 1)
#define LastKnownRequestProcessed(dpy)	((dpy)->request)

/* macros for screen oriented applications (toolkit) */
#define ScreenOfDisplay(dpy, scr)(&((dpy)->screens[(scr)]))
#define DefaultScreenOfDisplay(dpy) (&((dpy)->screens[(dpy)->default_screen]))
#define DisplayOfScreen(s)	((s)->display)
#define RootWindowOfScreen(s)	((s)->root)
#define BlackPixelOfScreen(s)	((s)->black_pixel)
#define WhitePixelOfScreen(s)	((s)->white_pixel)
#define DefaultColormapOfScreen(s)((s)->cmap)
#define DefaultDepthOfScreen(s)	((s)->root_depth)
#define DefaultGCOfScreen(s)	((s)->default_gc)
#define DefaultVisualOfScreen(s)((s)->root_visual)
#define WidthOfScreen(s)	((s)->width)
#define HeightOfScreen(s)	((s)->height)
#define WidthMMOfScreen(s)	((s)->mwidth)
#define HeightMMOfScreen(s)	((s)->mheight)
#define PlanesOfScreen(s)	((s)->root_depth)
#define CellsOfScreen(s)	(DefaultVisualOfScreen((s))->map_entries)
#define MinCmapsOfScreen(s)	((s)->min_maps)
#define MaxCmapsOfScreen(s)	((s)->max_maps)
#define DoesSaveUnders(s)	((s)->save_unders)
#define DoesBackingStore(s)	((s)->backing_store)
#define EventMaskOfScreen(s)	((s)->root_input_mask)

/*
 * Extensions need a way to hang private data on some structures.
 */
typedef struct _XExtData {
	int number;		/* number returned by XRegisterExtension */
	struct _XExtData *next;	/* next item on list of data for structure */
	int (*free_private)();	/* called to free private storage */
	XPointer private_data;	/* data private to this extension. */
} XExtData;

/*
 * This file contains structures used by the extension mechanism.
 */
typedef struct {		/* public to extension, cannot be changed */
	int extension;		/* extension number */
	int major_opcode;	/* major op-code assigned by server */
	int first_event;	/* first event number for the extension */
	int first_error;	/* first error number for the extension */
} XExtCodes;

/*
 * Data structure for retrieving info about pixmap formats.
 */

typedef struct {
    int depth;
    int bits_per_pixel;
    int scanline_pad;
} XPixmapFormatValues;


/*
 * Data structure for setting graphics context.
 */
typedef struct {
	int function;		/* logical operation */
	unsigned long plane_mask;/* plane mask */
	unsigned long foreground;/* foreground pixel */
	unsigned long background;/* background pixel */
	int line_width;		/* line width */
	int line_style;	 	/* LineSolid, LineOnOffDash, LineDoubleDash */
	int cap_style;	  	/* CapNotLast, CapButt, 
				   CapRound, CapProjecting */
	int join_style;	 	/* JoinMiter, JoinRound, JoinBevel */
	int fill_style;	 	/* FillSolid, FillTiled, 
				   FillStippled, FillOpaeueStippled */
	int fill_rule;	  	/* EvenOddRule, WindingRule */
	int arc_mode;		/* ArcChord, ArcPieSlice */
	Pixmap tile;		/* tile pixmap for tiling operations */
	Pixmap stipple;		/* stipple 1 plane pixmap for stipping */
	int ts_x_origin;	/* offset for tile or stipple operations */
	int ts_y_origin;
        Font font;	        /* default text font for text operations */
	int subwindow_mode;     /* ClipByChildren, IncludeInferiors */
	Bool graphics_exposures;/* boolean, should exposures be generated */
	int clip_x_origin;	/* origin for clipping */
	int clip_y_origin;
	Pixmap clip_mask;	/* bitmap clipping; other calls for rects */
	int dash_offset;	/* patterned/dashed line information */
	char dashes;
} XGCValues;

/*
 * Graphics context.  The contents of this structure are implementation
 * dependent.  A GC should be treated as opaque by application code.
 */

typedef XGCValues *GC;

/*
 * Visual structure; contains information about colormapping possible.
 */
typedef struct {
	XExtData *ext_data;	/* hook for extension to hang data */
	VisualID visualid;	/* visual id of this visual */
#if defined(__cplusplus) || defined(c_plusplus)
	int c_class;		/* C++ class of screen (monochrome, etc.) */
#else
	int class;		/* class of screen (monochrome, etc.) */
#endif
	unsigned long red_mask, green_mask, blue_mask;	/* mask values */
	int bits_per_rgb;	/* log base 2 of distinct color values */
	int map_entries;	/* color map entries */
} Visual;

/*
 * Depth structure; contains information for each possible depth.
 */	
typedef struct {
	int depth;		/* this depth (Z) of the depth */
	int nvisuals;		/* number of Visual types at this depth */
	Visual *visuals;	/* list of visuals possible at this depth */
} Depth;

/*
 * Information about the screen.  The contents of this structure are
 * implementation dependent.  A Screen should be treated as opaque
 * by application code.
 */
typedef struct {
	XExtData *ext_data;	/* hook for extension to hang data */
	struct _XDisplay *display;/* back pointer to display structure */
	Window root;		/* Root window id. */
	int width, height;	/* width and height of screen */
	int mwidth, mheight;	/* width and height of  in millimeters */
	int ndepths;		/* number of depths possible */
	Depth *depths;		/* list of allowable depths on the screen */
	int root_depth;		/* bits per pixel */
	Visual *root_visual;	/* root visual */
	GC default_gc;		/* GC for the root root visual */
	Colormap cmap;		/* default color map */
	unsigned long white_pixel;
	unsigned long black_pixel;	/* White and Black pixel values */
	int max_maps, min_maps;	/* max and min color maps */
	int backing_store;	/* Never, WhenMapped, Always */
	Bool save_unders;	
	long root_input_mask;	/* initial root input mask */
} Screen;

/*
 * Format structure; describes ZFormat data the screen will understand.
 */
typedef struct {
	XExtData *ext_data;	/* hook for extension to hang data */
	int depth;		/* depth of this image format */
	int bits_per_pixel;	/* bits/pixel at this depth */
	int scanline_pad;	/* scanline must padded to this multiple */
} ScreenFormat;

/*
 * Data structure for setting window attributes.
 */
typedef struct {
    Pixmap background_pixmap;	/* background or None or ParentRelative */
    unsigned long background_pixel;	/* background pixel */
    Pixmap border_pixmap;	/* border of the window */
    unsigned long border_pixel;	/* border pixel value */
    int bit_gravity;		/* one of bit gravity values */
    int win_gravity;		/* one of the window gravity values */
    int backing_store;		/* NotUseful, WhenMapped, Always */
    unsigned long backing_planes;/* planes to be preseved if possible */
    unsigned long backing_pixel;/* value to use in restoring planes */
    Bool save_under;		/* should bits under be saved? (popups) */
    long event_mask;		/* set of events that should be saved */
    long do_not_propagate_mask;	/* set of events that should not propagate */
    Bool override_redirect;	/* boolean value for override-redirect */
    Colormap colormap;		/* color map to be associated with window */
    Cursor cursor;		/* cursor to be displayed (or None) */
} XSetWindowAttributes;

typedef struct {
    int x, y;			/* location of window */
    int width, height;		/* width and height of window */
    int border_width;		/* border width of window */
    int depth;          	/* depth of window */
    Visual *visual;		/* the associated visual structure */
    Window root;        	/* root of screen containing window */
#if defined(__cplusplus) || defined(c_plusplus)
    int c_class;		/* C++ InputOutput, InputOnly*/
#else
    int class;			/* InputOutput, InputOnly*/
#endif
    int bit_gravity;		/* one of bit gravity values */
    int win_gravity;		/* one of the window gravity values */
    int backing_store;		/* NotUseful, WhenMapped, Always */
    unsigned long backing_planes;/* planes to be preserved if possible */
    unsigned long backing_pixel;/* value to be used when restoring planes */
    Bool save_under;		/* boolean, should bits under be saved? */
    Colormap colormap;		/* color map to be associated with window */
    Bool map_installed;		/* boolean, is color map currently installed*/
    int map_state;		/* IsUnmapped, IsUnviewable, IsViewable */
    long all_event_masks;	/* set of events all people have interest in*/
    long your_event_mask;	/* my event mask */
    long do_not_propagate_mask; /* set of events that should not propagate */
    Bool override_redirect;	/* boolean value for override-redirect */
    Screen *screen;		/* back pointer to correct screen */
} XWindowAttributes;

/*
 * Data structure for host setting; getting routines.
 *
 */

typedef struct {
	int family;		/* for example FamilyInternet */
	int length;		/* length of address, in bytes */
	char *address;		/* pointer to where to find the bytes */
} XHostAddress;

/*
 * Data structure for "image" data, used by image manipulation routines.
 */
typedef struct _XImage {
    int width, height;		/* size of image */
    int xoffset;		/* number of pixels offset in X direction */
    int format;			/* XYBitmap, XYPixmap, ZPixmap */
    char *data;			/* pointer to image data */
    int byte_order;		/* data byte order, LSBFirst, MSBFirst */
    int bitmap_unit;		/* quant. of scanline 8, 16, 32 */
    int bitmap_bit_order;	/* LSBFirst, MSBFirst */
    int bitmap_pad;		/* 8, 16, 32 either XY or ZPixmap */
    int depth;			/* depth of image */
    int bytes_per_line;		/* accelarator to next line */
    int bits_per_pixel;		/* bits per pixel (ZPixmap) */
    unsigned long red_mask;	/* bits in z arrangment */
    unsigned long green_mask;
    unsigned long blue_mask;
    XPointer obdata;		/* hook for the object routines to hang on */
    struct funcs {		/* image manipulation routines */
	struct _XImage *(*create_image)();
#if NeedFunctionPrototypes
	int (*destroy_image)        (struct _XImage *);
	unsigned long (*get_pixel)  (struct _XImage *, int, int);
	int (*put_pixel)            (struct _XImage *, int, int, unsigned long);
	struct _XImage *(*sub_image)(struct _XImage *, int, int, unsigned int, unsigned int);
	int (*add_pixel)            (struct _XImage *, long);
#else
	int (*destroy_image)();
	unsigned long (*get_pixel)();
	int (*put_pixel)();
	struct _XImage *(*sub_image)();
	int (*add_pixel)();
#endif
	} f;
} XImage;

/* 
 * Data structure for XReconfigureWindow
 */
typedef struct {
    int x, y;
    int width, height;
    int border_width;
    Window sibling;
    int stack_mode;
} XWindowChanges;

/*
 * 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;

/* 
 * Data structures for graphics operations.  On most machines, these are
 * congruent with the wire protocol structures, so reformatting the data
 * can be avoided on these architectures.
 */
typedef struct {
    short x1, y1, x2, y2;
} XSegment;

typedef struct {
    short x, y;
} XPoint;
    
typedef struct {
    short x, y;
    unsigned short width, height;
} XRectangle;
    
typedef struct {
    short x, y;
    unsigned short width, height;
    short angle1, angle2;
} XArc;


/* Data structure for XChangeKeyboardControl */

typedef struct {
        int key_click_percent;
        int bell_percent;
        int bell_pitch;
        int bell_duration;
        int led;
        int led_mode;
        int key;
        int auto_repeat_mode;   /* On, Off, Default */
} XKeyboardControl;

/* Data structure for XGetKeyboardControl */

typedef struct {
        int key_click_percent;
	int bell_percent;
	unsigned int bell_pitch, bell_duration;
	unsigned long led_mask;
	int global_auto_repeat;
	char auto_repeats[32];
} XKeyboardState;

/* Data structure for XGetMotionEvents.  */

typedef struct {
        Time time;
	short x, y;
} XTimeCoord;

/* Data structure for X{Set,Get}ModifierMapping */

typedef struct {
 	int max_keypermod;	/* The server's max # of keys per modifier */
 	KeyCode *modifiermap;	/* An 8 by max_keypermod array of modifiers */
} XModifierKeymap;


/*
 * Display datatype maintaining display specific data.
 * The contents of this structure are implementation dependent.
 * A Display should be treated as opaque by application code.
 */
typedef struct _XDisplay {
	XExtData *ext_data;	/* hook for extension to hang data */
	struct _XFreeFuncs *free_funcs; /* internal free functions */
	int fd;			/* Network socket. */
	int conn_checker;         /* ugly thing used by _XEventsQueued */
	int proto_major_version;/* maj. version of server's X protocol */
	int proto_minor_version;/* minor version of servers X protocol */
	char *vendor;		/* vendor of the server hardware */
        XID resource_base;	/* resource ID base */
	XID resource_mask;	/* resource ID mask bits */
	XID resource_id;	/* allocator current ID */
	int resource_shift;	/* allocator shift to correct bits */
	XID (*resource_alloc)(); /* allocator function */
	int byte_order;		/* screen byte order, LSBFirst, MSBFirst */
	int bitmap_unit;	/* padding and data requirements */
	int bitmap_pad;		/* padding requirements on bitmaps */
	int bitmap_bit_order;	/* LeastSignificant or MostSignificant */
	int nformats;		/* number of pixmap formats in list */
	ScreenFormat *pixmap_format;	/* pixmap format list */
	int vnumber;		/* Xlib's X protocol version number. */
	int release;		/* release of the server */
	struct _XSQEvent *head, *tail;	/* Input event queue. */
	int qlen;		/* Length of input event queue */
	unsigned long request;	/* sequence number of last request. */
	char *last_req;		/* beginning of last request, or dummy */
	char *buffer;		/* Output buffer starting address. */
	char *bufptr;		/* Output buffer index pointer. */
	char *bufmax;		/* Output buffer maximum+1 address. */
	unsigned max_request_size; /* maximum number 32 bit words in request*/
	struct _XrmHashBucketRec *db;
	int (*synchandler)();	/* Synchronization handler */
	char *display_name;	/* "host:display" string used on this connect*/
	int default_screen;	/* default screen for operations */
	int nscreens;		/* number of screens on this server*/
	Screen *screens;	/* pointer to list of screens */
	unsigned long motion_buffer;	/* size of motion buffer */
	unsigned long flags;	/* internal connection flags */
	int min_keycode;	/* minimum defined keycode */
	int max_keycode;	/* maximum defined keycode */
	KeySym *keysyms;	/* This server's keysyms */
	XModifierKeymap *modifiermap;	/* This server's modifier keymap */
	int keysyms_per_keycode;/* number of rows */
	char *xdefaults;	/* contents of defaults from server */
	char *scratch_buffer;	/* place to hang scratch buffer */
	unsigned long scratch_length;	/* length of scratch buffer */
	int ext_number;		/* extension number on this display */
	struct _XExten *ext_procs; /* extensions initialized on this display */
	/*
	 * the following can be fixed size, as the protocol defines how
	 * much address space is available. 
	 * While this could be done using the extension vector, there
	 * may be MANY events processed, so a search through the extension
	 * list to find the right procedure for each event might be
	 * expensive if many extensions are being used.
	 */
	Bool (*event_vec[128])();  /* vector for wire to event */
	Status (*wire_vec[128])(); /* vector for event to wire */
	KeySym lock_meaning;	   /* for XLookupString */
	struct _XLockInfo *lock;   /* multi-thread state, display lock */
	struct _XInternalAsync *async_handlers; /* for internal async */
	unsigned long bigreq_size; /* max size of big requests */
	struct _XLockPtrs *lock_fns; /* pointers to threads functions */
	/* things above this line should not move, for binary compatibility */
	struct _XKeytrans *key_bindings; /* for XLookupString */
	Font cursor_font;	   /* for XCreateFontCursor */
	struct _XDisplayAtoms *atoms; /* for XInternAtom */
	unsigned int mode_switch;  /* keyboard group modifiers */
	struct _XContextDB *context_db; /* context database */
	Bool (**error_vec)();      /* vector for wire to error */
	/*
	 * Xcms information
	 */
	struct {
	   XPointer defaultCCCs;  /* pointer to an array of default XcmsCCC */
	   XPointer clientCmaps;  /* pointer to linked list of XcmsCmapRec */
	   XPointer perVisualIntensityMaps;
				  /* linked list of XcmsIntensityMap */
	} cms;
	struct _XIMFilter *im_filters;
	struct _XSQEvent *qfree; /* unallocated event queue elements */
	unsigned long next_event_serial_num; /* inserted into next queue elt */
	int (*savedsynchandler)(); /* user synchandler when Xlib usurps */
} Display;

#if NeedFunctionPrototypes	/* prototypes require event type definitions */
#undef _XEVENT_
#endif
#ifndef _XEVENT_

#define XMaxTransChars 4

/*
 * Definitions of specific events.
 */
typedef struct {
	int type;		/* of event */
	unsigned long serial;	/* # of last request processed by server */
	Bool send_event;	/* true if this came from a SendEvent request */
	Display *display;	/* Display the event was read from */
	Window window;	        /* "event" window it is reported relative to */
	Window root;	        /* root window that the event occured on */
	Window subwindow;	/* child window */
	Time time;		/* milliseconds */
	int x, y;		/* pointer x, y coordinates in event window */
	int x_root, y_root;	/* coordinates relative to root */
	unsigned int state;	/* key or button mask */
	unsigned int keycode;	/* detail */
	Bool same_screen;	/* same screen flag */
        char trans_chars[XMaxTransChars];
				/* translated characters */
	int nbytes;
} XKeyEvent;
typedef XKeyEvent XKeyPressedEvent;
typedef XKeyEvent XKeyReleasedEvent;

typedef struct {
	int type;		/* of event */
	unsigned long serial;	/* # of last request processed by server */
	Bool send_event;	/* true if this came from a SendEvent request */
	Display *display;	/* Display the event was read from */
	Window window;	        /* "event" window it is reported relative to */
	Window root;	        /* root window that the event occured on */
	Window subwindow;	/* child window */
	Time time;		/* milliseconds */
	int x, y;		/* pointer x, y coordinates in event window */
	int x_root, y_root;	/* coordinates relative to root */
	unsigned int state;	/* key or button mask */
	unsigned int button;	/* detail */
	Bool same_screen;	/* same screen flag */
} XButtonEvent;
typedef XButtonEvent XButtonPressedEvent;
typedef XButtonEvent XButtonReleasedEvent;

typedef struct {
	int type;		/* of event */
	unsigned long serial;	/* # of last request processed by server */
	Bool send_event;	/* true if this came from a SendEvent request */
	Display *display;	/* Display the event was read from */
	Window window;	        /* "event" window reported relative to */
	Window root;	        /* root window that the event occured on */
	Window subwindow;	/* child window */
	Time time;		/* milliseconds */
	int x, y;		/* pointer x, y coordinates in event window */
	int x_root, y_root;	/* coordinates relative to root */
	unsigned int state;	/* key or button mask */
	char is_hint;		/* detail */
	Bool same_screen;	/* same screen flag */
} XMotionEvent;
typedef XMotionEvent XPointerMovedEvent;

typedef struct {
	int type;		/* of event */
	unsigned long serial;	/* # of last request processed by server */
	Bool send_event;	/* true if this came from a SendEvent request */
	Display *display;	/* Display the event was read from */
	Window window;	        /* "event" window reported relative to */
	Window root;	        /* root window that the event occured on */
	Window subwindow;	/* child window */
	Time time;		/* milliseconds */
	int x, y;		/* pointer x, y coordinates in event window */
	int x_root, y_root;	/* coordinates relative to root */
	int mode;		/* NotifyNormal, NotifyGrab, NotifyUngrab */
	int detail;
	/*
	 * NotifyAncestor, NotifyVirtual, NotifyInferior, 
	 * NotifyNonlinear,NotifyNonlinearVirtual
	 */
	Bool same_screen;	/* same screen flag */
	Bool focus;		/* boolean focus */
	unsigned int state;	/* key or button mask */
} XCrossingEvent;
typedef XCrossingEvent XEnterWindowEvent;
typedef XCrossingEvent XLeaveWindowEvent;

typedef struct {
	int type;		/* FocusIn or FocusOut */
	unsigned long serial;	/* # of last request processed by server */
	Bool send_event;	/* true if this came from a SendEvent request */
	Display *display;	/* Display the event was read from */
	Window window;		/* window of event */
	int mode;		/* NotifyNormal, NotifyGrab, NotifyUngrab */
	int detail;
	/*
	 * NotifyAncestor, NotifyVirtual, NotifyInferior, 
	 * NotifyNonlinear,NotifyNonlinearVirtual, NotifyPointer,
	 * NotifyPointerRoot, NotifyDetailNone 
	 */
} XFocusChangeEvent;
typedef XFocusChangeEvent XFocusInEvent;
typedef XFocusChangeEvent XFocusOutEvent;

/* generated on EnterWindow and FocusIn  when KeyMapState selected */
typedef struct {
	int type;
	unsigned long serial;	/* # of last request processed by server */
	Bool send_event;	/* true if this came from a SendEvent request */
	Display *display;	/* Display the event was read from */
	Window window;
	char key_vector[32];
} XKeymapEvent;	

typedef struct {
	int type;
	unsigned long serial;	/* # of last request processed by server */
	Bool send_event;	/* true if this came from a SendEvent request */
	Display *display;	/* Display the event was read from */
	Window window;
	int x, y;
	int width, height;
	int count;		/* if non-zero, at least this many more */
} XExposeEvent;

typedef struct {
	int type;
	unsigned long serial;	/* # of last request processed by server */
	Bool send_event;	/* true if this came from a SendEvent request */
	Display *display;	/* Display the event was read from */
	Drawable drawable;
	int x, y;
	int width, height;
	int count;		/* if non-zero, at least this many more */
	int major_code;		/* core is CopyArea or CopyPlane */
	int minor_code;		/* not defined in the core */
} XGraphicsExposeEvent;

typedef struct {
	int type;
	unsigned long serial;	/* # of last request processed by server */
	Bool send_event;	/* true if this came from a SendEvent request */
	Display *display;	/* Display the event was read from */
	Drawable drawable;
	int major_code;		/* core is CopyArea or CopyPlane */
	int minor_code;		/* not defined in the core */
} XNoExposeEvent;

typedef struct {
	int type;
	unsigned long serial;	/* # of last request processed by server */
	Bool send_event;	/* true if this came from a SendEvent request */
	Display *display;	/* Display the event was read from */
	Window window;
	int state;		/* Visibility state */
} XVisibilityEvent;

typedef struct {
	int type;
	unsigned long serial;	/* # of last request processed by server */
	Bool send_event;	/* true if this came from a SendEvent request */
	Display *display;	/* Display the event was read from */
	Window parent;		/* parent of the window */
	Window window;		/* window id of window created */
	int x, y;		/* window location */
	int width, height;	/* size of window */
	int border_width;	/* border width */
	Bool override_redirect;	/* creation should be overridden */
} XCreateWindowEvent;

typedef struct {
	int type;
	unsigned long serial;	/* # of last request processed by server */
	Bool send_event;	/* true if this came from a SendEvent request */
	Display *display;	/* Display the event was read from */
	Window event;
	Window window;
} XDestroyWindowEvent;

typedef struct {
	int type;
	unsigned long serial;	/* # of last request processed by server */
	Bool send_event;	/* true if this came from a SendEvent request */
	Display *display;	/* Display the event was read from */
	Window event;
	Window window;
	Bool from_configure;
} XUnmapEvent;

typedef struct {
	int type;
	unsigned long serial;	/* # of last request processed by server */
	Bool send_event;	/* true if this came from a SendEvent request */
	Display *display;	/* Display the event was read from */
	Window event;
	Window window;
	Bool override_redirect;	/* boolean, is override set... */
} XMapEvent;

typedef struct {
	int type;
	unsigned long serial;	/* # of last request processed by server */
	Bool send_event;	/* true if this came from a SendEvent request */
	Display *display;	/* Display the event was read from */
	Window parent;
	Window window;
} XMapRequestEvent;

typedef struct {
	int type;
	unsigned long serial;	/* # of last request processed by server */
	Bool send_event;	/* true if this came from a SendEvent request */
	Display *display;	/* Display the event was read from */
	Window event;
	Window window;
	Window parent;
	int x, y;
	Bool override_redirect;
} XReparentEvent;

typedef struct {
	int type;
	unsigned long serial;	/* # of last request processed by server */
	Bool send_event;	/* true if this came from a SendEvent request */
	Display *display;	/* Display the event was read from */
	Window event;
	Window window;
	int x, y;
	int width, height;
	int border_width;
	Window above;
	Bool override_redirect;
} XConfigureEvent;

typedef struct {
	int type;
	unsigned long serial;	/* # of last request processed by server */
	Bool send_event;	/* true if this came from a SendEvent request */
	Display *display;	/* Display the event was read from */
	Window event;
	Window window;
	int x, y;
} XGravityEvent;

typedef struct {
	int type;
	unsigned long serial;	/* # of last request processed by server */
	Bool send_event;	/* true if this came from a SendEvent request */
	Display *display;	/* Display the event was read from */
	Window window;
	int width, height;
} XResizeRequestEvent;

typedef struct {
	int type;
	unsigned long serial;	/* # of last request processed by server */
	Bool send_event;	/* true if this came from a SendEvent request */
	Display *display;	/* Display the event was read from */
	Window parent;
	Window window;
	int x, y;
	int width, height;
	int border_width;
	Window above;
	int detail;		/* Above, Below, TopIf, BottomIf, Opposite */
	unsigned long value_mask;
} XConfigureRequestEvent;

typedef struct {
	int type;
	unsigned long serial;	/* # of last request processed by server */
	Bool send_event;	/* true if this came from a SendEvent request */
	Display *display;	/* Display the event was read from */
	Window event;
	Window window;
	int place;		/* PlaceOnTop, PlaceOnBottom */
} XCirculateEvent;

typedef struct {
	int type;
	unsigned long serial;	/* # of last request processed by server */
	Bool send_event;	/* true if this came from a SendEvent request */
	Display *display;	/* Display the event was read from */
	Window parent;
	Window window;
	int place;		/* PlaceOnTop, PlaceOnBottom */
} XCirculateRequestEvent;

typedef struct {
	int type;
	unsigned long serial;	/* # of last request processed by server */
	Bool send_event;	/* true if this came from a SendEvent request */
	Display *display;	/* Display the event was read from */
	Window window;
	Atom atom;
	Time time;
	int state;		/* NewValue, Deleted */
} XPropertyEvent;

typedef struct {
	int type;
	unsigned long serial;	/* # of last request processed by server */
	Bool send_event;	/* true if this came from a SendEvent request */
	Display *display;	/* Display the event was read from */
	Window window;
	Atom selection;
	Time time;
} XSelectionClearEvent;

typedef struct {
	int type;
	unsigned long serial;	/* # of last request processed by server */
	Bool send_event;	/* true if this came from a SendEvent request */
	Display *display;	/* Display the event was read from */
	Window owner;
	Window requestor;
	Atom selection;
	Atom target;
	Atom property;
	Time time;
} XSelectionRequestEvent;

typedef struct {
	int type;
	unsigned long serial;	/* # of last request processed by server */
	Bool send_event;	/* true if this came from a SendEvent request */
	Display *display;	/* Display the event was read from */
	Window requestor;
	Atom selection;
	Atom target;
	Atom property;		/* ATOM or None */
	Time time;
} XSelectionEvent;

typedef struct {
	int type;
	unsigned long serial;	/* # of last request processed by server */
	Bool send_event;	/* true if this came from a SendEvent request */
	Display *display;	/* Display the event was read from */
	Window window;
	Colormap colormap;	/* COLORMAP or None */
#if defined(__cplusplus) || defined(c_plusplus)
	Bool c_new;		/* C++ */
#else
	Bool new;
#endif
	int state;		/* ColormapInstalled, ColormapUninstalled */
} XColormapEvent;

typedef struct {
	int type;
	unsigned long serial;	/* # of last request processed by server */
	Bool send_event;	/* true if this came from a SendEvent request */
	Display *display;	/* Display the event was read from */
	Window window;
	Atom message_type;
	int format;
	union {
		char b[20];
		short s[10];
		long l[5];
		} data;
} XClientMessageEvent;

typedef struct {
	int type;
	unsigned long serial;	/* # of last request processed by server */
	Bool send_event;	/* true if this came from a SendEvent request */
	Display *display;	/* Display the event was read from */
	Window window;		/* unused */
	int request;		/* one of MappingModifier, MappingKeyboard,
				   MappingPointer */
	int first_keycode;	/* first keycode */
	int count;		/* defines range of change w. first_keycode*/
} XMappingEvent;

typedef struct {
	int type;
	Display *display;	/* Display the event was read from */
	XID resourceid;		/* resource id */
	unsigned long serial;	/* serial number of failed request */
	unsigned char error_code;	/* error code of failed request */
	unsigned char request_code;	/* Major op-code of failed request */
	unsigned char minor_code;	/* Minor op-code of failed request */
} XErrorEvent;

typedef struct {
	int type;
	unsigned long serial;	/* # of last request processed by server */
	Bool send_event;	/* true if this came from a SendEvent request */
	Display *display;/* Display the event was read from */
	Window window;	/* window on which event was requested in event mask */
} XAnyEvent;

/*
 * this union is defined so Xlib can always use the same sized
 * event structure internally, to avoid memory fragmentation.
 */
typedef union _XEvent {
        int type;		/* must not be changed; first element */
	XAnyEvent xany;
	XKeyEvent xkey;
	XButtonEvent xbutton;
	XMotionEvent xmotion;
	XCrossingEvent xcrossing;
	XFocusChangeEvent xfocus;
	XExposeEvent xexpose;
	XGraphicsExposeEvent xgraphicsexpose;
	XNoExposeEvent xnoexpose;
	XVisibilityEvent xvisibility;
	XCreateWindowEvent xcreatewindow;
	XDestroyWindowEvent xdestroywindow;
	XUnmapEvent xunmap;
	XMapEvent xmap;
	XMapRequestEvent xmaprequest;
	XReparentEvent xreparent;
	XConfigureEvent xconfigure;
	XGravityEvent xgravity;
	XResizeRequestEvent xresizerequest;
	XConfigureRequestEvent xconfigurerequest;
	XCirculateEvent xcirculate;
	XCirculateRequestEvent xcirculaterequest;
	XPropertyEvent xproperty;
	XSelectionClearEvent xselectionclear;
	XSelectionRequestEvent xselectionrequest;
	XSelectionEvent xselection;
	XColormapEvent xcolormap;
	XClientMessageEvent xclient;
	XMappingEvent xmapping;
	XErrorEvent xerror;
	XKeymapEvent xkeymap;
	long pad[24];
} XEvent;
#endif

#define XAllocID(dpy) ((*(dpy)->resource_alloc)((dpy)))

/*
 * per character font metric information.
 */
typedef struct {
    short	lbearing;	/* origin to left edge of raster */
    short	rbearing;	/* origin to right edge of raster */
    short	width;		/* advance to next char's origin */
    short	ascent;		/* baseline to top edge of raster */
    short	descent;	/* baseline to bottom edge of raster */
    unsigned short attributes;	/* per char flags (not predefined) */
} XCharStruct;

/*
 * To allow arbitrary information with fonts, there are additional properties
 * returned.
 */
typedef struct {
    Atom name;
    unsigned long card32;
} XFontProp;

typedef struct {
    XExtData	*ext_data;	/* hook for extension to hang data */
    Font        fid;            /* Font id for this font */
    unsigned	direction;	/* hint about direction the font is painted */
    unsigned	min_char_or_byte2;/* first character */
    unsigned	max_char_or_byte2;/* last character */
    unsigned	min_byte1;	/* first row that exists */
    unsigned	max_byte1;	/* last row that exists */
    Bool	all_chars_exist;/* flag if all characters have non-zero size*/
    unsigned	default_char;	/* char to print for undefined character */
    int         n_properties;   /* how many properties there are */
    XFontProp	*properties;	/* pointer to array of additional properties*/
    XCharStruct	min_bounds;	/* minimum bounds over all existing char*/
    XCharStruct	max_bounds;	/* maximum bounds over all existing char*/
    XCharStruct	*per_char;	/* first_char to last_char information */
    int		ascent;		/* log. extent above baseline for spacing */
    int		descent;	/* log. descent below baseline for spacing */
} XFontStruct;

/*
 * PolyText routines take these as arguments.
 */
typedef struct {
    char *chars;		/* pointer to string */
    int nchars;			/* number of characters */
    int delta;			/* delta between strings */
    Font font;			/* font to print it in, None don't change */
} XTextItem;

typedef struct {		/* normal 16 bit characters are two bytes */
    unsigned char byte1;
    unsigned char byte2;
} XChar2b;

typedef struct {
    XChar2b *chars;		/* two byte characters */
    int nchars;			/* number of characters */
    int delta;			/* delta between strings */
    Font font;			/* font to print it in, None don't change */
} XTextItem16;


typedef union { Display *display;
		GC gc;
		Visual *visual;
		Screen *screen;
		ScreenFormat *pixmap_format;
		XFontStruct *font; } XEDataObject;

typedef struct {
    XRectangle      max_ink_extent;
    XRectangle      max_logical_extent;
} XFontSetExtents;

typedef struct _XFontSet *XFontSet;

typedef struct {
    char           *chars;
    int             nchars;
    int             delta;
    XFontSet        font_set;
} XmbTextItem;

typedef struct {
    wchar_t        *chars;
    int             nchars;
    int             delta;
    XFontSet        font_set;
} XwcTextItem;

typedef void (*XIMProc)();

typedef struct _XIM *XIM;
typedef struct _XIC *XIC;

typedef unsigned long XIMStyle;

typedef struct {
    unsigned short count_styles;
    XIMStyle *supported_styles;
} XIMStyles;

#define XIMPreeditArea		0x0001L
#define XIMPreeditCallbacks	0x0002L
#define XIMPreeditPosition	0x0004L
#define XIMPreeditNothing	0x0008L
#define XIMPreeditNone		0x0010L
#define XIMStatusArea		0x0100L
#define XIMStatusCallbacks	0x0200L
#define XIMStatusNothing	0x0400L
#define XIMStatusNone		0x0800L

#define XNVaNestedList "XNVaNestedList"
#define XNClientWindow "clientWindow"
#define XNInputStyle "inputStyle"
#define XNFocusWindow "focusWindow"
#define XNResourceName "resourceName"
#define XNResourceClass "resourceClass"
#define XNGeometryCallback "geometryCallback"
#define XNFilterEvents "filterEvents"
#define XNPreeditStartCallback "preeditStartCallback"
#define XNPreeditDoneCallback "preeditDoneCallback"
#define XNPreeditDrawCallback "preeditDrawCallback"
#define XNPreeditCaretCallback "preeditCaretCallback"
#define XNPreeditAttributes "preeditAttributes"
#define XNStatusStartCallback "statusStartCallback"
#define XNStatusDoneCallback "statusDoneCallback"
#define XNStatusDrawCallback "statusDrawCallback"
#define XNStatusAttributes "statusAttributes"
#define XNArea "area"
#define XNAreaNeeded "areaNeeded"
#define XNSpotLocation "spotLocation"
#define XNColormap "colorMap"
#define XNStdColormap "stdColorMap"
#define XNForeground "foreground"
#define XNBackground "background"
#define XNBackgroundPixmap "backgroundPixmap"
#define XNFontSet "fontSet"
#define XNLineSpace "lineSpace"
#define XNCursor "cursor"

#define XBufferOverflow		-1
#define XLookupNone		1
#define XLookupChars		2
#define XLookupKeySym		3
#define XLookupBoth		4

#if NeedFunctionPrototypes
typedef void *XVaNestedList;
#else
typedef XPointer XVaNestedList;
#endif

typedef struct {
    XPointer client_data;
    XIMProc callback;
} XIMCallback;

typedef unsigned long XIMFeedback;

#define XIMReverse	1
#define XIMUnderline	(1<<1) 
#define XIMHighlight	(1<<2)
#define XIMPrimary 	(1<<5)
#define XIMSecondary	(1<<6)
#define XIMTertiary 	(1<<7)

typedef struct _XIMText {
    unsigned short length;
    XIMFeedback *feedback;
    Bool encoding_is_wchar; 
    union {
	char *multi_byte;
	wchar_t *wide_char;
    } string; 
} XIMText;

typedef struct _XIMPreeditDrawCallbackStruct {
    int caret;		/* Cursor offset within pre-edit string */
    int chg_first;	/* Starting change position */
    int chg_length;	/* Length of the change in character count */
    XIMText *text;
} XIMPreeditDrawCallbackStruct;

typedef enum {
    XIMForwardChar, XIMBackwardChar,
    XIMForwardWord, XIMBackwardWord,
    XIMCaretUp, XIMCaretDown,
    XIMNextLine, XIMPreviousLine,
    XIMLineStart, XIMLineEnd, 
    XIMAbsolutePosition,
    XIMDontChange
} XIMCaretDirection;

typedef enum {
    XIMIsInvisible,	/* Disable caret feedback */ 
    XIMIsPrimary,	/* UI defined caret feedback */
    XIMIsSecondary	/* UI defined caret feedback */
} XIMCaretStyle;

typedef struct _XIMPreeditCaretCallbackStruct {
    int position;		 /* Caret offset within pre-edit string */
    XIMCaretDirection direction; /* Caret moves direction */
    XIMCaretStyle style;	 /* Feedback of the caret */
} XIMPreeditCaretCallbackStruct;

typedef enum {
    XIMTextType,
    XIMBitmapType
} XIMStatusDataType;
	
typedef struct _XIMStatusDrawCallbackStruct {
    XIMStatusDataType type;
    union {
	XIMText *text;
	Pixmap  bitmap;
    } data;
} XIMStatusDrawCallbackStruct;

typedef int (*XErrorHandler) (	    /* WARNING, this type not in Xlib spec */
#if NeedFunctionPrototypes
    Display*		/* display */,
    XErrorEvent*	/* error_event */
#endif
);

_XFUNCPROTOBEGIN



#include "tkIntXlibDecls.h"

_XFUNCPROTOEND

#ifdef MAC_TCL
#   undef Cursor
#   undef Region
#endif

#endif /* _XLIB_H_ */
