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Diffstat (limited to 'libXmu/src/Atoms.c')
| -rw-r--r-- | libXmu/src/Atoms.c | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/libXmu/src/Atoms.c b/libXmu/src/Atoms.c new file mode 100644 index 000000000..dcdf497a5 --- /dev/null +++ b/libXmu/src/Atoms.c @@ -0,0 +1,154 @@ +/* $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); +} |