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Diffstat (limited to 'X11/Xlibint.h')
| -rw-r--r-- | X11/Xlibint.h | 1398 |
1 files changed, 1398 insertions, 0 deletions
diff --git a/X11/Xlibint.h b/X11/Xlibint.h new file mode 100644 index 000000000..2acfc7690 --- /dev/null +++ b/X11/Xlibint.h @@ -0,0 +1,1398 @@ +/* $Xorg: Xlibint.h,v 1.5 2001/02/09 02:03:38 xorgcvs Exp $ */ + +/* + +Copyright 1984, 1985, 1987, 1989, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice shall be included +in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR +OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, +ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall +not be used in advertising or otherwise to promote the sale, use or +other dealings in this Software without prior written authorization +from The Open Group. + +*/ +/* $XFree86: xc/lib/X11/Xlibint.h,v 3.27 2003/05/27 22:26:26 tsi Exp $ */ + +#ifndef _XLIBINT_H_ +#define _XLIBINT_H_ 1 + +/* + * Xlibint.h - Header definition and support file for the internal + * support routines used by the C subroutine interface + * library (Xlib) to the X Window System. + * + * Warning, there be dragons here.... + */ + +#include <X11/Xlib.h> +#include <X11/Xproto.h> /* to declare xEvent */ +#include <X11/XlibConf.h> /* for configured options like XTHREADS */ + +#ifdef WIN32 +#define _XFlush _XFlushIt +#endif + +/* + * If your BytesReadable correctly detects broken connections, then + * you should NOT define XCONN_CHECK_FREQ. + */ +#ifndef XCONN_CHECK_FREQ +#define XCONN_CHECK_FREQ 256 +#endif + +struct _XGC +{ + XExtData *ext_data; /* hook for extension to hang data */ + GContext gid; /* protocol ID for graphics context */ + Bool rects; /* boolean: TRUE if clipmask is list of rectangles */ + Bool dashes; /* boolean: TRUE if dash-list is really a list */ + unsigned long dirty;/* cache dirty bits */ + XGCValues values; /* shadow structure of values */ +}; + +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 server's 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 */ + struct _XDisplay* + ); + 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 last_request_read; /* seq number of last event read */ + 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 */ + struct _XDisplay* + ); + 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 */ + volatile 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 */ + Display * /* dpy */, + XEvent * /* re */, + xEvent * /* event */ + ); + Status (*wire_vec[128])( /* vector for event to wire */ + Display * /* dpy */, + XEvent * /* re */, + xEvent * /* event */ + ); + 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 */ + void (*idlist_alloc)( /* XID list allocator function */ + Display * /* dpy */, + XID * /* ids */, + int /* count */ + ); + /* 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 */ + unsigned int num_lock; /* keyboard numlock modifiers */ + struct _XContextDB *context_db; /* context database */ + Bool (**error_vec)( /* vector for wire to error */ + Display * /* display */, + XErrorEvent * /* he */, + xError * /* we */ + ); + /* + * 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 */ + struct _XExten *flushes; /* Flush hooks */ + struct _XConnectionInfo *im_fd_info; /* _XRegisterInternalConnection */ + int im_fd_length; /* number of im_fd_info */ + struct _XConnWatchInfo *conn_watchers; /* XAddConnectionWatch */ + int watcher_count; /* number of conn_watchers */ + XPointer filedes; /* struct pollfd cache for _XWaitForReadable */ + int (*savedsynchandler)( /* user synchandler when Xlib usurps */ + Display * /* dpy */ + ); + XID resource_max; /* allocator max ID */ + int xcmisc_opcode; /* major opcode for XC-MISC */ + struct _XkbInfoRec *xkb_info; /* XKB info */ + struct _XtransConnInfo *trans_conn; /* transport connection object */ + struct _X11XCBPrivate *xcb; /* XCB glue private data */ + + /* Generic event cookie handling */ + unsigned int next_cookie; /* next event cookie */ + /* vector for wire to generic event, index is (extension - 128) */ + Bool (*generic_event_vec[128])( + Display * /* dpy */, + XGenericEventCookie * /* Xlib event */, + xEvent * /* wire event */); + /* vector for event copy, index is (extension - 128) */ + Bool (*generic_event_copy_vec[128])( + Display * /* dpy */, + XGenericEventCookie * /* in */, + XGenericEventCookie * /* out*/); + void *cookiejar; /* cookie events returned but not claimed */ +}; + +#define XAllocIDs(dpy,ids,n) (*(dpy)->idlist_alloc)(dpy,ids,n) + +/* + * define the following if you want the Data macro to be a procedure instead + */ +#ifdef CRAY +#define DataRoutineIsProcedure +#endif /* CRAY */ + +#ifndef _XEVENT_ +/* + * _QEvent datatype for use in input queueing. + */ +typedef struct _XSQEvent +{ + struct _XSQEvent *next; + XEvent event; + unsigned long qserial_num; /* so multi-threaded code can find new ones */ +} _XQEvent; +#endif + +#ifdef XTHREADS /* for xReply */ +#define NEED_REPLIES +#endif + +#define NEED_EVENTS +#define NEED_REPLIES +#include <X11/Xproto.h> +#ifdef __sgi +#define _SGI_MP_SOURCE /* turn this on to get MP safe errno */ +#endif +#include <errno.h> +#define _XBCOPYFUNC _Xbcopy +#include <X11/Xfuncs.h> +#include <X11/Xosdefs.h> + +/* Utek leaves kernel macros around in include files (bleah) */ +#ifdef dirty +#undef dirty +#endif + +#include <stdlib.h> +#include <string.h> + +#include <X11/Xfuncproto.h> + +_XFUNCPROTOBEGIN + +/* + * The following definitions can be used for locking requests in multi-threaded + * address spaces. + */ +#ifdef XTHREADS +/* Author: Stephen Gildea, MIT X Consortium + * + * declarations for C Threads locking + */ + +typedef struct _LockInfoRec *LockInfoPtr; + +/* interfaces for locking.c */ +struct _XLockPtrs { + /* used by all, including extensions; do not move */ + void (*lock_display)( + Display *dpy +#if defined(XTHREADS_WARN) || defined(XTHREADS_FILE_LINE) + , char *file + , int line +#endif + ); + void (*unlock_display)( + Display *dpy +#if defined(XTHREADS_WARN) || defined(XTHREADS_FILE_LINE) + , char *file + , int line +#endif + ); +}; + +#if defined(WIN32) && !defined(_XLIBINT_) +#define _XCreateMutex_fn (*_XCreateMutex_fn_p) +#define _XFreeMutex_fn (*_XFreeMutex_fn_p) +#define _XLockMutex_fn (*_XLockMutex_fn_p) +#define _XUnlockMutex_fn (*_XUnlockMutex_fn_p) +#define _Xglobal_lock (*_Xglobal_lock_p) +#endif + +/* in XlibInt.c */ +extern void (*_XCreateMutex_fn)( + LockInfoPtr /* lock */ +); +extern void (*_XFreeMutex_fn)( + LockInfoPtr /* lock */ +); +extern void (*_XLockMutex_fn)( + LockInfoPtr /* lock */ +#if defined(XTHREADS_WARN) || defined(XTHREADS_FILE_LINE) + , char * /* file */ + , int /* line */ +#endif +); +extern void (*_XUnlockMutex_fn)( + LockInfoPtr /* lock */ +#if defined(XTHREADS_WARN) || defined(XTHREADS_FILE_LINE) + , char * /* file */ + , int /* line */ +#endif +); + +extern LockInfoPtr _Xglobal_lock; + +#if defined(XTHREADS_WARN) || defined(XTHREADS_FILE_LINE) +#define LockDisplay(d) if ((d)->lock_fns) (*(d)->lock_fns->lock_display)((d),__FILE__,__LINE__) +#define UnlockDisplay(d) if ((d)->lock_fns) (*(d)->lock_fns->unlock_display)((d),__FILE__,__LINE__) +#define _XLockMutex(lock) if (_XLockMutex_fn) (*_XLockMutex_fn)(lock,__FILE__,__LINE__) +#define _XUnlockMutex(lock) if (_XUnlockMutex_fn) (*_XUnlockMutex_fn)(lock,__FILE__,__LINE__) +#else +/* used everywhere, so must be fast if not using threads */ +#define LockDisplay(d) if ((d)->lock_fns) (*(d)->lock_fns->lock_display)(d) +#define UnlockDisplay(d) if ((d)->lock_fns) (*(d)->lock_fns->unlock_display)(d) +#define _XLockMutex(lock) if (_XLockMutex_fn) (*_XLockMutex_fn)(lock) +#define _XUnlockMutex(lock) if (_XUnlockMutex_fn) (*_XUnlockMutex_fn)(lock) +#endif +#define _XCreateMutex(lock) if (_XCreateMutex_fn) (*_XCreateMutex_fn)(lock); +#define _XFreeMutex(lock) if (_XFreeMutex_fn) (*_XFreeMutex_fn)(lock); + +#else /* XTHREADS */ +#define LockDisplay(dis) +#define _XLockMutex(lock) +#define _XUnlockMutex(lock) +#define UnlockDisplay(dis) +#define _XCreateMutex(lock) +#define _XFreeMutex(lock) +#endif + +#define Xfree(ptr) free((ptr)) + +/* + * Note that some machines do not return a valid pointer for malloc(0), in + * which case we provide an alternate under the control of the + * define MALLOC_0_RETURNS_NULL. This is necessary because some + * Xlib code expects malloc(0) to return a valid pointer to storage. + */ +#ifdef MALLOC_0_RETURNS_NULL + +# define Xmalloc(size) malloc(((size) == 0 ? 1 : (size))) +# define Xrealloc(ptr, size) realloc((ptr), ((size) == 0 ? 1 : (size))) +# define Xcalloc(nelem, elsize) calloc(((nelem) == 0 ? 1 : (nelem)), (elsize)) + +#else + +# define Xmalloc(size) malloc((size)) +# define Xrealloc(ptr, size) realloc((ptr), (size)) +# define Xcalloc(nelem, elsize) calloc((nelem), (elsize)) + +#endif + +#include <stddef.h> + +#define LOCKED 1 +#define UNLOCKED 0 + +#ifndef BUFSIZE +#define BUFSIZE 2048 /* X output buffer size. */ +#endif +#ifndef PTSPERBATCH +#define PTSPERBATCH 1024 /* point batching */ +#endif +#ifndef WLNSPERBATCH +#define WLNSPERBATCH 50 /* wide line batching */ +#endif +#ifndef ZLNSPERBATCH +#define ZLNSPERBATCH 1024 /* thin line batching */ +#endif +#ifndef WRCTSPERBATCH +#define WRCTSPERBATCH 10 /* wide line rectangle batching */ +#endif +#ifndef ZRCTSPERBATCH +#define ZRCTSPERBATCH 256 /* thin line rectangle batching */ +#endif +#ifndef FRCTSPERBATCH +#define FRCTSPERBATCH 256 /* filled rectangle batching */ +#endif +#ifndef FARCSPERBATCH +#define FARCSPERBATCH 256 /* filled arc batching */ +#endif +#ifndef CURSORFONT +#define CURSORFONT "cursor" /* standard cursor fonts */ +#endif + +/* + * Display flags + */ +#define XlibDisplayIOError (1L << 0) +#define XlibDisplayClosing (1L << 1) +#define XlibDisplayNoXkb (1L << 2) +#define XlibDisplayPrivSync (1L << 3) +#define XlibDisplayProcConni (1L << 4) /* in _XProcessInternalConnection */ +#define XlibDisplayReadEvents (1L << 5) /* in _XReadEvents */ +#define XlibDisplayReply (1L << 5) /* in _XReply */ +#define XlibDisplayWriting (1L << 6) /* in _XFlushInt, _XSend */ +#define XlibDisplayDfltRMDB (1L << 7) /* mark if RM db from XGetDefault */ + +/* + * X Protocol packetizing macros. + */ + +/* Need to start requests on 64 bit word boundaries + * on a CRAY computer so add a NoOp (127) if needed. + * A character pointer on a CRAY computer will be non-zero + * after shifting right 61 bits of it is not pointing to + * a word boundary. + */ +#ifdef WORD64 +#define WORD64ALIGN if ((long)dpy->bufptr >> 61) {\ + dpy->last_req = dpy->bufptr;\ + *(dpy->bufptr) = X_NoOperation;\ + *(dpy->bufptr+1) = 0;\ + *(dpy->bufptr+2) = 0;\ + *(dpy->bufptr+3) = 1;\ + dpy->request++;\ + dpy->bufptr += 4;\ + } +#else /* else does not require alignment on 64-bit boundaries */ +#define WORD64ALIGN +#endif /* WORD64 */ + + +/* + * GetReq - Get the next available X request packet in the buffer and + * return it. + * + * "name" is the name of the request, e.g. CreatePixmap, OpenFont, etc. + * "req" is the name of the request pointer. + * + */ + +#if !defined(UNIXCPP) || defined(ANSICPP) +#define GetReq(name, req) \ + WORD64ALIGN\ + if ((dpy->bufptr + SIZEOF(x##name##Req)) > dpy->bufmax)\ + _XFlush(dpy);\ + req = (x##name##Req *)(dpy->last_req = dpy->bufptr);\ + req->reqType = X_##name;\ + req->length = (SIZEOF(x##name##Req))>>2;\ + dpy->bufptr += SIZEOF(x##name##Req);\ + dpy->request++ + +#else /* non-ANSI C uses empty comment instead of "##" for token concatenation */ +#define GetReq(name, req) \ + WORD64ALIGN\ + if ((dpy->bufptr + SIZEOF(x/**/name/**/Req)) > dpy->bufmax)\ + _XFlush(dpy);\ + req = (x/**/name/**/Req *)(dpy->last_req = dpy->bufptr);\ + req->reqType = X_/**/name;\ + req->length = (SIZEOF(x/**/name/**/Req))>>2;\ + dpy->bufptr += SIZEOF(x/**/name/**/Req);\ + dpy->request++ +#endif + +/* GetReqExtra is the same as GetReq, but allocates "n" additional + bytes after the request. "n" must be a multiple of 4! */ + +#if !defined(UNIXCPP) || defined(ANSICPP) +#define GetReqExtra(name, n, req) \ + WORD64ALIGN\ + if ((dpy->bufptr + SIZEOF(x##name##Req) + n) > dpy->bufmax)\ + _XFlush(dpy);\ + req = (x##name##Req *)(dpy->last_req = dpy->bufptr);\ + req->reqType = X_##name;\ + req->length = (SIZEOF(x##name##Req) + n)>>2;\ + dpy->bufptr += SIZEOF(x##name##Req) + n;\ + dpy->request++ +#else +#define GetReqExtra(name, n, req) \ + WORD64ALIGN\ + if ((dpy->bufptr + SIZEOF(x/**/name/**/Req) + n) > dpy->bufmax)\ + _XFlush(dpy);\ + req = (x/**/name/**/Req *)(dpy->last_req = dpy->bufptr);\ + req->reqType = X_/**/name;\ + req->length = (SIZEOF(x/**/name/**/Req) + n)>>2;\ + dpy->bufptr += SIZEOF(x/**/name/**/Req) + n;\ + dpy->request++ +#endif + + +/* + * GetResReq is for those requests that have a resource ID + * (Window, Pixmap, GContext, etc.) as their single argument. + * "rid" is the name of the resource. + */ + +#if !defined(UNIXCPP) || defined(ANSICPP) +#define GetResReq(name, rid, req) \ + WORD64ALIGN\ + if ((dpy->bufptr + SIZEOF(xResourceReq)) > dpy->bufmax)\ + _XFlush(dpy);\ + req = (xResourceReq *) (dpy->last_req = dpy->bufptr);\ + req->reqType = X_##name;\ + req->length = 2;\ + req->id = (rid);\ + dpy->bufptr += SIZEOF(xResourceReq);\ + dpy->request++ +#else +#define GetResReq(name, rid, req) \ + WORD64ALIGN\ + if ((dpy->bufptr + SIZEOF(xResourceReq)) > dpy->bufmax)\ + _XFlush(dpy);\ + req = (xResourceReq *) (dpy->last_req = dpy->bufptr);\ + req->reqType = X_/**/name;\ + req->length = 2;\ + req->id = (rid);\ + dpy->bufptr += SIZEOF(xResourceReq);\ + dpy->request++ +#endif + +/* + * GetEmptyReq is for those requests that have no arguments + * at all. + */ +#if !defined(UNIXCPP) || defined(ANSICPP) +#define GetEmptyReq(name, req) \ + WORD64ALIGN\ + if ((dpy->bufptr + SIZEOF(xReq)) > dpy->bufmax)\ + _XFlush(dpy);\ + req = (xReq *) (dpy->last_req = dpy->bufptr);\ + req->reqType = X_##name;\ + req->length = 1;\ + dpy->bufptr += SIZEOF(xReq);\ + dpy->request++ +#else +#define GetEmptyReq(name, req) \ + WORD64ALIGN\ + if ((dpy->bufptr + SIZEOF(xReq)) > dpy->bufmax)\ + _XFlush(dpy);\ + req = (xReq *) (dpy->last_req = dpy->bufptr);\ + req->reqType = X_/**/name;\ + req->length = 1;\ + dpy->bufptr += SIZEOF(xReq);\ + dpy->request++ +#endif + +#ifdef WORD64 +#define MakeBigReq(req,n) \ + { \ + char _BRdat[4]; \ + unsigned long _BRlen = req->length - 1; \ + req->length = 0; \ + memcpy(_BRdat, ((char *)req) + (_BRlen << 2), 4); \ + memmove(((char *)req) + 8, ((char *)req) + 4, _BRlen << 2); \ + memcpy(((char *)req) + 4, _BRdat, 4); \ + Data32(dpy, (long *)&_BRdat, 4); \ + } +#else +#ifdef LONG64 +#define MakeBigReq(req,n) \ + { \ + CARD64 _BRdat; \ + CARD32 _BRlen = req->length - 1; \ + req->length = 0; \ + _BRdat = ((CARD32 *)req)[_BRlen]; \ + memmove(((char *)req) + 8, ((char *)req) + 4, _BRlen << 2); \ + ((CARD32 *)req)[1] = _BRlen + n + 2; \ + Data32(dpy, &_BRdat, 4); \ + } +#else +#define MakeBigReq(req,n) \ + { \ + CARD32 _BRdat; \ + CARD32 _BRlen = req->length - 1; \ + req->length = 0; \ + _BRdat = ((CARD32 *)req)[_BRlen]; \ + memmove(((char *)req) + 8, ((char *)req) + 4, _BRlen << 2); \ + ((CARD32 *)req)[1] = _BRlen + n + 2; \ + Data32(dpy, &_BRdat, 4); \ + } +#endif +#endif + +#define SetReqLen(req,n,badlen) \ + if ((req->length + n) > (unsigned)65535) { \ + if (dpy->bigreq_size) { \ + MakeBigReq(req,n) \ + } else { \ + n = badlen; \ + req->length += n; \ + } \ + } else \ + req->length += n + +#define SyncHandle() \ + if (dpy->synchandler) (*dpy->synchandler)(dpy) + +extern void _XFlushGCCache(Display *dpy, GC gc); +#define FlushGC(dpy, gc) \ + if ((gc)->dirty) _XFlushGCCache((dpy), (gc)) +/* + * Data - Place data in the buffer and pad the end to provide + * 32 bit word alignment. Transmit if the buffer fills. + * + * "dpy" is a pointer to a Display. + * "data" is a pinter to a data buffer. + * "len" is the length of the data buffer. + */ +#ifndef DataRoutineIsProcedure +#define Data(dpy, data, len) {\ + if (dpy->bufptr + (len) <= dpy->bufmax) {\ + memcpy(dpy->bufptr, data, (int)len);\ + dpy->bufptr += ((len) + 3) & ~3;\ + } else\ + _XSend(dpy, data, len);\ + } +#endif /* DataRoutineIsProcedure */ + + +/* Allocate bytes from the buffer. No padding is done, so if + * the length is not a multiple of 4, the caller must be + * careful to leave the buffer aligned after sending the + * current request. + * + * "type" is the type of the pointer being assigned to. + * "ptr" is the pointer being assigned to. + * "n" is the number of bytes to allocate. + * + * Example: + * xTextElt *elt; + * BufAlloc (xTextElt *, elt, nbytes) + */ + +#define BufAlloc(type, ptr, n) \ + if (dpy->bufptr + (n) > dpy->bufmax) \ + _XFlush (dpy); \ + ptr = (type) dpy->bufptr; \ + (void)ptr; \ + dpy->bufptr += (n); + +#ifdef WORD64 +#define Data16(dpy, data, len) _XData16(dpy, (short *)data, len) +#define Data32(dpy, data, len) _XData32(dpy, (long *)data, len) +#else +#define Data16(dpy, data, len) Data((dpy), (char *)(data), (len)) +#define _XRead16Pad(dpy, data, len) _XReadPad((dpy), (char *)(data), (len)) +#define _XRead16(dpy, data, len) _XRead((dpy), (char *)(data), (len)) +#ifdef LONG64 +#define Data32(dpy, data, len) _XData32(dpy, (long *)data, len) +extern int _XData32( + Display *dpy, + register long *data, + unsigned len +); +extern void _XRead32( + Display *dpy, + register long *data, + long len +); +#else +#define Data32(dpy, data, len) Data((dpy), (char *)(data), (len)) +#define _XRead32(dpy, data, len) _XRead((dpy), (char *)(data), (len)) +#endif +#endif /* not WORD64 */ + +#define PackData16(dpy,data,len) Data16 (dpy, data, len) +#define PackData32(dpy,data,len) Data32 (dpy, data, len) + +/* Xlib manual is bogus */ +#define PackData(dpy,data,len) PackData16 (dpy, data, len) + +#define min(a,b) (((a) < (b)) ? (a) : (b)) +#define max(a,b) (((a) > (b)) ? (a) : (b)) + +#define CI_NONEXISTCHAR(cs) (((cs)->width == 0) && \ + (((cs)->rbearing|(cs)->lbearing| \ + (cs)->ascent|(cs)->descent) == 0)) + +/* + * CI_GET_CHAR_INFO_1D - return the charinfo struct for the indicated 8bit + * character. If the character is in the column and exists, then return the + * appropriate metrics (note that fonts with common per-character metrics will + * return min_bounds). If none of these hold true, try again with the default + * char. + */ +#define CI_GET_CHAR_INFO_1D(fs,col,def,cs) \ +{ \ + cs = def; \ + if (col >= fs->min_char_or_byte2 && col <= fs->max_char_or_byte2) { \ + if (fs->per_char == NULL) { \ + cs = &fs->min_bounds; \ + } else { \ + cs = &fs->per_char[(col - fs->min_char_or_byte2)]; \ + if (CI_NONEXISTCHAR(cs)) cs = def; \ + } \ + } \ +} + +#define CI_GET_DEFAULT_INFO_1D(fs,cs) \ + CI_GET_CHAR_INFO_1D (fs, fs->default_char, NULL, cs) + + + +/* + * CI_GET_CHAR_INFO_2D - return the charinfo struct for the indicated row and + * column. This is used for fonts that have more than row zero. + */ +#define CI_GET_CHAR_INFO_2D(fs,row,col,def,cs) \ +{ \ + cs = def; \ + if (row >= fs->min_byte1 && row <= fs->max_byte1 && \ + col >= fs->min_char_or_byte2 && col <= fs->max_char_or_byte2) { \ + if (fs->per_char == NULL) { \ + cs = &fs->min_bounds; \ + } else { \ + cs = &fs->per_char[((row - fs->min_byte1) * \ + (fs->max_char_or_byte2 - \ + fs->min_char_or_byte2 + 1)) + \ + (col - fs->min_char_or_byte2)]; \ + if (CI_NONEXISTCHAR(cs)) cs = def; \ + } \ + } \ +} + +#define CI_GET_DEFAULT_INFO_2D(fs,cs) \ +{ \ + unsigned int r = (fs->default_char >> 8); \ + unsigned int c = (fs->default_char & 0xff); \ + CI_GET_CHAR_INFO_2D (fs, r, c, NULL, cs); \ +} + + +#ifdef MUSTCOPY + +/* for when 32-bit alignment is not good enough */ +#define OneDataCard32(dpy,dstaddr,srcvar) \ + { dpy->bufptr -= 4; Data32 (dpy, (char *) &(srcvar), 4); } + +#else + +/* srcvar must be a variable for large architecture version */ +#define OneDataCard32(dpy,dstaddr,srcvar) \ + { *(CARD32 *)(dstaddr) = (srcvar); } + +#endif /* MUSTCOPY */ + +typedef struct _XInternalAsync { + struct _XInternalAsync *next; + /* + * handler arguments: + * rep is the generic reply that caused this handler + * to be invoked. It must also be passed to _XGetAsyncReply. + * buf and len are opaque values that must be passed to + * _XGetAsyncReply or _XGetAsyncData. + * data is the closure stored in this struct. + * The handler returns True iff it handled this reply. + */ + Bool (*handler)( + Display* /* dpy */, + xReply* /* rep */, + char* /* buf */, + int /* len */, + XPointer /* data */ + ); + XPointer data; +} _XAsyncHandler; + +typedef struct _XAsyncEState { + unsigned long min_sequence_number; + unsigned long max_sequence_number; + unsigned char error_code; + unsigned char major_opcode; + unsigned short minor_opcode; + unsigned char last_error_received; + int error_count; +} _XAsyncErrorState; + +extern void _XDeqAsyncHandler(Display *dpy, _XAsyncHandler *handler); +#define DeqAsyncHandler(dpy,handler) { \ + if (dpy->async_handlers == (handler)) \ + dpy->async_handlers = (handler)->next; \ + else \ + _XDeqAsyncHandler(dpy, handler); \ + } + +typedef void (*FreeFuncType) ( + Display* /* display */ +); + +typedef int (*FreeModmapType) ( + XModifierKeymap* /* modmap */ +); + +/* + * This structure is private to the library. + */ +typedef struct _XFreeFuncs { + FreeFuncType atoms; /* _XFreeAtomTable */ + FreeModmapType modifiermap; /* XFreeModifierMap */ + FreeFuncType key_bindings; /* _XFreeKeyBindings */ + FreeFuncType context_db; /* _XFreeContextDB */ + FreeFuncType defaultCCCs; /* _XcmsFreeDefaultCCCs */ + FreeFuncType clientCmaps; /* _XcmsFreeClientCmaps */ + FreeFuncType intensityMaps; /* _XcmsFreeIntensityMaps */ + FreeFuncType im_filters; /* _XFreeIMFilters */ + FreeFuncType xkb; /* _XkbFreeInfo */ +} _XFreeFuncRec; + +/* types for InitExt.c */ +typedef int (*CreateGCType) ( + Display* /* display */, + GC /* gc */, + XExtCodes* /* codes */ +); + +typedef int (*CopyGCType)( + Display* /* display */, + GC /* gc */, + XExtCodes* /* codes */ +); + +typedef int (*FlushGCType) ( + Display* /* display */, + GC /* gc */, + XExtCodes* /* codes */ +); + +typedef int (*FreeGCType) ( + Display* /* display */, + GC /* gc */, + XExtCodes* /* codes */ +); + +typedef int (*CreateFontType) ( + Display* /* display */, + XFontStruct* /* fs */, + XExtCodes* /* codes */ +); + +typedef int (*FreeFontType) ( + Display* /* display */, + XFontStruct* /* fs */, + XExtCodes* /* codes */ +); + +typedef int (*CloseDisplayType) ( + Display* /* display */, + XExtCodes* /* codes */ +); + +typedef int (*ErrorType) ( + Display* /* display */, + xError* /* err */, + XExtCodes* /* codes */, + int* /* ret_code */ +); + +typedef char* (*ErrorStringType) ( + Display* /* display */, + int /* code */, + XExtCodes* /* codes */, + char* /* buffer */, + int /* nbytes */ +); + +typedef void (*PrintErrorType)( + Display* /* display */, + XErrorEvent* /* ev */, + void* /* fp */ +); + +typedef void (*BeforeFlushType)( + Display* /* display */, + XExtCodes* /* codes */, + _Xconst char* /* data */, + long /* len */ +); + +/* + * This structure is private to the library. + */ +typedef struct _XExten { /* private to extension mechanism */ + struct _XExten *next; /* next in list */ + XExtCodes codes; /* public information, all extension told */ + CreateGCType create_GC; /* routine to call when GC created */ + CopyGCType copy_GC; /* routine to call when GC copied */ + FlushGCType flush_GC; /* routine to call when GC flushed */ + FreeGCType free_GC; /* routine to call when GC freed */ + CreateFontType create_Font; /* routine to call when Font created */ + FreeFontType free_Font; /* routine to call when Font freed */ + CloseDisplayType close_display; /* routine to call when connection closed */ + ErrorType error; /* who to call when an error occurs */ + ErrorStringType error_string; /* routine to supply error string */ + char *name; /* name of this extension */ + PrintErrorType error_values; /* routine to supply error values */ + BeforeFlushType before_flush; /* routine to call when sending data */ + struct _XExten *next_flush; /* next in list of those with flushes */ +} _XExtension; + +/* extension hooks */ + +#ifdef DataRoutineIsProcedure +extern void Data(Display *dpy, char *data, long len); +#endif +extern int _XError( + Display* /* dpy */, + xError* /* rep */ +); +extern int _XIOError( + Display* /* dpy */ +); +extern int (*_XIOErrorFunction)( + Display* /* dpy */ +); +extern int (*_XErrorFunction)( + Display* /* dpy */, + XErrorEvent* /* error_event */ +); +extern void _XEatData( + Display* /* dpy */, + unsigned long /* n */ +); +extern char *_XAllocScratch( + Display* /* dpy */, + unsigned long /* nbytes */ +); +extern char *_XAllocTemp( + Display* /* dpy */, + unsigned long /* nbytes */ +); +extern void _XFreeTemp( + Display* /* dpy */, + char* /* buf */, + unsigned long /* nbytes */ +); +extern Visual *_XVIDtoVisual( + Display* /* dpy */, + VisualID /* id */ +); +extern unsigned long _XSetLastRequestRead( + Display* /* dpy */, + xGenericReply* /* rep */ +); +extern int _XGetHostname( + char* /* buf */, + int /* maxlen */ +); +extern Screen *_XScreenOfWindow( + Display* /* dpy */, + Window /* w */ +); +extern Bool _XAsyncErrorHandler( + Display* /* dpy */, + xReply* /* rep */, + char* /* buf */, + int /* len */, + XPointer /* data */ +); +extern char *_XGetAsyncReply( + Display* /* dpy */, + char* /* replbuf */, + xReply* /* rep */, + char* /* buf */, + int /* len */, + int /* extra */, + Bool /* discard */ +); +extern void _XGetAsyncData( + Display* /* dpy */, + char * /* data */, + char * /* buf */, + int /* len */, + int /* skip */, + int /* datalen */, + int /* discardtotal */ +); +extern void _XFlush( + Display* /* dpy */ +); +extern int _XEventsQueued( + Display* /* dpy */, + int /* mode */ +); +extern void _XReadEvents( + Display* /* dpy */ +); +extern int _XRead( + Display* /* dpy */, + char* /* data */, + long /* size */ +); +extern void _XReadPad( + Display* /* dpy */, + char* /* data */, + long /* size */ +); +extern void _XSend( + Display* /* dpy */, + _Xconst char* /* data */, + long /* size */ +); +extern Status _XReply( + Display* /* dpy */, + xReply* /* rep */, + int /* extra */, + Bool /* discard */ +); +extern void _XEnq( + Display* /* dpy */, + xEvent* /* event */ +); +extern void _XDeq( + Display* /* dpy */, + _XQEvent* /* prev */, + _XQEvent* /* qelt */ +); + +extern Bool _XUnknownWireEvent( + Display* /* dpy */, + XEvent* /* re */, + xEvent* /* event */ +); + +extern Bool _XUnknownWireEventCookie( + Display* /* dpy */, + XGenericEventCookie* /* re */, + xEvent* /* event */ +); + +extern Bool _XUnknownCopyEventCookie( + Display* /* dpy */, + XGenericEventCookie* /* in */, + XGenericEventCookie* /* out */ +); + +extern Status _XUnknownNativeEvent( + Display* /* dpy */, + XEvent* /* re */, + xEvent* /* event */ +); + +extern Bool _XWireToEvent(Display *dpy, XEvent *re, xEvent *event); +extern Bool _XDefaultWireError(Display *display, XErrorEvent *he, xError *we); +extern Bool _XPollfdCacheInit(Display *dpy); +extern void _XPollfdCacheAdd(Display *dpy, int fd); +extern void _XPollfdCacheDel(Display *dpy, int fd); +extern XID _XAllocID(Display *dpy); +extern void _XAllocIDs(Display *dpy, XID *ids, int count); + +extern int _XFreeExtData( + XExtData* /* extension */ +); + +extern int (*XESetCreateGC( + Display* /* display */, + int /* extension */, + int (*) ( + Display* /* display */, + GC /* gc */, + XExtCodes* /* codes */ + ) /* proc */ +))( + Display*, GC, XExtCodes* +); + +extern int (*XESetCopyGC( + Display* /* display */, + int /* extension */, + int (*) ( + Display* /* display */, + GC /* gc */, + XExtCodes* /* codes */ + ) /* proc */ +))( + Display*, GC, XExtCodes* +); + +extern int (*XESetFlushGC( + Display* /* display */, + int /* extension */, + int (*) ( + Display* /* display */, + GC /* gc */, + XExtCodes* /* codes */ + ) /* proc */ +))( + Display*, GC, XExtCodes* +); + +extern int (*XESetFreeGC( + Display* /* display */, + int /* extension */, + int (*) ( + Display* /* display */, + GC /* gc */, + XExtCodes* /* codes */ + ) /* proc */ +))( + Display*, GC, XExtCodes* +); + +extern int (*XESetCreateFont( + Display* /* display */, + int /* extension */, + int (*) ( + Display* /* display */, + XFontStruct* /* fs */, + XExtCodes* /* codes */ + ) /* proc */ +))( + Display*, XFontStruct*, XExtCodes* +); + +extern int (*XESetFreeFont( + Display* /* display */, + int /* extension */, + int (*) ( + Display* /* display */, + XFontStruct* /* fs */, + XExtCodes* /* codes */ + ) /* proc */ +))( + Display*, XFontStruct*, XExtCodes* +); + +extern int (*XESetCloseDisplay( + Display* /* display */, + int /* extension */, + int (*) ( + Display* /* display */, + XExtCodes* /* codes */ + ) /* proc */ +))( + Display*, XExtCodes* +); + +extern int (*XESetError( + Display* /* display */, + int /* extension */, + int (*) ( + Display* /* display */, + xError* /* err */, + XExtCodes* /* codes */, + int* /* ret_code */ + ) /* proc */ +))( + Display*, xError*, XExtCodes*, int* +); + +extern char* (*XESetErrorString( + Display* /* display */, + int /* extension */, + char* (*) ( + Display* /* display */, + int /* code */, + XExtCodes* /* codes */, + char* /* buffer */, + int /* nbytes */ + ) /* proc */ +))( + Display*, int, XExtCodes*, char*, int +); + +extern void (*XESetPrintErrorValues ( + Display* /* display */, + int /* extension */, + void (*)( + Display* /* display */, + XErrorEvent* /* ev */, + void* /* fp */ + ) /* proc */ +))( + Display*, XErrorEvent*, void* +); + +extern Bool (*XESetWireToEvent( + Display* /* display */, + int /* event_number */, + Bool (*) ( + Display* /* display */, + XEvent* /* re */, + xEvent* /* event */ + ) /* proc */ +))( + Display*, XEvent*, xEvent* +); + +extern Bool (*XESetWireToEventCookie( + Display* /* display */, + int /* extension */, + Bool (*) ( + Display* /* display */, + XGenericEventCookie* /* re */, + xEvent* /* event */ + ) /* proc */ +))( + Display*, XGenericEventCookie*, xEvent* +); + +extern Bool (*XESetCopyEventCookie( + Display* /* display */, + int /* extension */, + Bool (*) ( + Display* /* display */, + XGenericEventCookie* /* in */, + XGenericEventCookie* /* out */ + ) /* proc */ +))( + Display*, XGenericEventCookie*, XGenericEventCookie* +); + + +extern Status (*XESetEventToWire( + Display* /* display */, + int /* event_number */, + Status (*) ( + Display* /* display */, + XEvent* /* re */, + xEvent* /* event */ + ) /* proc */ +))( + Display*, XEvent*, xEvent* +); + +extern Bool (*XESetWireToError( + Display* /* display */, + int /* error_number */, + Bool (*) ( + Display* /* display */, + XErrorEvent* /* he */, + xError* /* we */ + ) /* proc */ +))( + Display*, XErrorEvent*, xError* +); + +extern void (*XESetBeforeFlush( + Display* /* display */, + int /* error_number */, + void (*) ( + Display* /* display */, + XExtCodes* /* codes */, + _Xconst char* /* data */, + long /* len */ + ) /* proc */ +))( + Display*, XExtCodes*, _Xconst char*, long +); + +/* internal connections for IMs */ + +typedef void (*_XInternalConnectionProc)( + Display* /* dpy */, + int /* fd */, + XPointer /* call_data */ +); + + +extern Status _XRegisterInternalConnection( + Display* /* dpy */, + int /* fd */, + _XInternalConnectionProc /* callback */, + XPointer /* call_data */ +); + +extern void _XUnregisterInternalConnection( + Display* /* dpy */, + int /* fd */ +); + +extern void _XProcessInternalConnection( + Display* /* dpy */, + struct _XConnectionInfo* /* conn_info */ +); + +/* Display structure has pointers to these */ + +struct _XConnectionInfo { /* info from _XRegisterInternalConnection */ + int fd; + _XInternalConnectionProc read_callback; + XPointer call_data; + XPointer *watch_data; /* set/used by XConnectionWatchProc */ + struct _XConnectionInfo *next; +}; + +struct _XConnWatchInfo { /* info from XAddConnectionWatch */ + XConnectionWatchProc fn; + XPointer client_data; + struct _XConnWatchInfo *next; +}; + +#ifdef __UNIXOS2__ +extern char* __XOS2RedirRoot( + char* +); +#endif + +extern int _XTextHeight( + XFontStruct* /* font_struct */, + _Xconst char* /* string */, + int /* count */ +); + +extern int _XTextHeight16( + XFontStruct* /* font_struct */, + _Xconst XChar2b* /* string */, + int /* count */ +); + +#if defined(WIN32) + +extern int _XOpenFile( + _Xconst char* /* path */, + int /* flags */ +); + +extern int _XOpenFileMode( + _Xconst char* /* path */, + int /* flags */, + mode_t /* mode */ +); + +extern void* _XFopenFile( + _Xconst char* /* path */, + _Xconst char* /* mode */ +); + +extern int _XAccessFile( + _Xconst char* /* path */ +); +#else +#define _XOpenFile(path,flags) open(path,flags) +#define _XOpenFileMode(path,flags,mode) open(path,flags,mode) +#define _XFopenFile(path,mode) fopen(path,mode) +#endif + +/* EvToWire.c */ +extern Status _XEventToWire(Display *dpy, XEvent *re, xEvent *event); + +extern int _XF86LoadQueryLocaleFont( + Display* /* dpy */, + _Xconst char* /* name*/, + XFontStruct** /* xfp*/, + Font* /* fidp */ +); + +extern void _XProcessWindowAttributes ( + register Display *dpy, + xChangeWindowAttributesReq *req, + register unsigned long valuemask, + register XSetWindowAttributes *attributes); + +extern int _XDefaultError( + Display *dpy, + XErrorEvent *event); + +extern int _XDefaultIOError( + Display *dpy); + +extern void _XSetClipRectangles ( + register Display *dpy, + GC gc, + int clip_x_origin, int clip_y_origin, + XRectangle *rectangles, + int n, + int ordering); + +Status _XGetWindowAttributes( + register Display *dpy, + Window w, + XWindowAttributes *attr); + +int _XPutBackEvent ( + register Display *dpy, + register XEvent *event); + +extern Bool _XIsEventCookie( + Display *dpy, + XEvent *ev); + +extern void _XFreeEventCookies( + Display *dpy); + +extern void _XStoreEventCookie( + Display *dpy, + XEvent *ev); + +extern Bool _XFetchEventCookie( + Display *dpy, + XGenericEventCookie *ev); + +extern Bool _XCopyEventCookie( + Display *dpy, + XGenericEventCookie *in, + XGenericEventCookie *out); + +_XFUNCPROTOEND + +#endif /* _XLIBINT_H_ */ |