/* $Xorg: Atoms.c,v 1.4 2001/02/09 02:03:51 xorgcvs Exp $ */ /* Copyright 1988, 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/Xmu/Atoms.c,v 3.7 2001/07/25 15:04:50 dawes Exp $ */ /* * This file contains routines to cache atoms, avoiding multiple * server round-trips. Not so useful now that Xlib caches them. * * Public entry points: * * XmuMakeAtom creates & initializes an opaque AtomRec * XmuInternAtom fetches an Atom from cache or Display * XmuInternStrings fetches multiple Atoms as strings * XmuGetAtomName returns name of an Atom * XmuNameOfAtom returns name from an AtomPtr */ #ifdef HAVE_CONFIG_H #include <config.h> #endif #include <X11/Intrinsic.h> #include "Atoms.h" typedef struct _DisplayRec { struct _DisplayRec* next; Display *dpy; Atom atom; } DisplayRec; struct _AtomRec { char *name; DisplayRec* head; }; #ifdef SUNSHLIB #define STATIC #else #define STATIC static #endif #if !defined(UNIXCPP) || defined(ANSICPP) #define DeclareAtom(atom,text) \ STATIC struct _AtomRec __##atom = { text, NULL }; \ AtomPtr _##atom = &__##atom; #else #define DeclareAtom(atom,text) \ STATIC struct _AtomRec __/**/atom = { text, NULL }; \ AtomPtr _/**/atom = &__/**/atom; #endif DeclareAtom(XA_ATOM_PAIR, "ATOM_PAIR" ) DeclareAtom(XA_CHARACTER_POSITION, "CHARACTER_POSITION" ) DeclareAtom(XA_CLASS, "CLASS" ) DeclareAtom(XA_CLIENT_WINDOW, "CLIENT_WINDOW" ) DeclareAtom(XA_CLIPBOARD, "CLIPBOARD" ) DeclareAtom(XA_COMPOUND_TEXT, "COMPOUND_TEXT" ) DeclareAtom(XA_DECNET_ADDRESS, "DECNET_ADDRESS" ) DeclareAtom(XA_DELETE, "DELETE" ) DeclareAtom(XA_FILENAME, "FILENAME" ) DeclareAtom(XA_HOSTNAME, "HOSTNAME" ) DeclareAtom(XA_IP_ADDRESS, "IP_ADDRESS" ) DeclareAtom(XA_LENGTH, "LENGTH" ) DeclareAtom(XA_LIST_LENGTH, "LIST_LENGTH" ) DeclareAtom(XA_NAME, "NAME" ) DeclareAtom(XA_NET_ADDRESS, "NET_ADDRESS" ) DeclareAtom(XA_NULL, "NULL" ) DeclareAtom(XA_OWNER_OS, "OWNER_OS" ) DeclareAtom(XA_SPAN, "SPAN" ) DeclareAtom(XA_TARGETS, "TARGETS" ) DeclareAtom(XA_TEXT, "TEXT" ) DeclareAtom(XA_TIMESTAMP, "TIMESTAMP" ) DeclareAtom(XA_USER, "USER" ) DeclareAtom(XA_UTF8_STRING, "UTF8_STRING" ) /****************************************************************** Public procedures ******************************************************************/ AtomPtr XmuMakeAtom(_Xconst char *name) { AtomPtr ptr = XtNew(struct _AtomRec); ptr->name = (char *) name; ptr->head = NULL; return ptr; } char * XmuNameOfAtom(AtomPtr atom_ptr) { return atom_ptr->name; } Atom XmuInternAtom(Display *d, AtomPtr atom_ptr) { DisplayRec* display_rec; for (display_rec = atom_ptr->head; display_rec != NULL; display_rec = display_rec->next) { if (display_rec->dpy == d) return display_rec->atom; } display_rec = XtNew(DisplayRec); display_rec->next = atom_ptr->head; atom_ptr->head = display_rec; display_rec->dpy = d; display_rec->atom = XInternAtom(d, atom_ptr->name, False); return display_rec->atom; } char * XmuGetAtomName(Display *d, Atom atom) { if (atom == 0) return (NULL); return XGetAtomName(d, atom); } /* convert (names, count) to a list of atoms. Caller allocates list */ void XmuInternStrings(Display *d, register String *names, register Cardinal count, register Atom *atoms) { (void) XInternAtoms(d, (char**)names, (int)count, FALSE, atoms); }