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Diffstat (limited to 'X11/Xlibint.h')
| -rw-r--r-- | X11/Xlibint.h | 1402 |
1 files changed, 1402 insertions, 0 deletions
diff --git a/X11/Xlibint.h b/X11/Xlibint.h new file mode 100644 index 000000000..a55938b5b --- /dev/null +++ b/X11/Xlibint.h @@ -0,0 +1,1402 @@ +
+/*
+
+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.
+
+*/
+
+#ifndef _X11_XLIBINT_H_
+#define _X11_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
+
+#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.
+ */
+#if defined(MALLOC_0_RETURNS_NULL) || defined(__clang_analyzer__)
+
+# 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
+
+#ifndef __clang_analyzer__
+#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
+#else
+#define SetReqLen(req,n,badlen) \
+ req->length += n
+#endif
+
+#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; \
+ memset(ptr, '\0', n); \
+ 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 */
+) _X_NORETURN;
+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);
+
+/* lcFile.c */
+
+extern void xlocaledir(
+ char *buf,
+ int buf_len
+);
+
+_XFUNCPROTOEND
+
+#endif /* _X11_XLIBINT_H_ */
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