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- /* Coopyright 1989 Massachusetts Institute of Technology */
-
- #include <X11/Xmu/CloseHook.h>
-
- /*
- * Public Entry Points
- *
- *
- * XmuDisplayQueue *XmuDQCreate (closefunc, freefunc, data)
- * int (*closefunc)();
- * int (*freefunc)();
- * caddr_t data;
- *
- * Creates and returns a queue into which displays may be placed. When
- * the display is closed, the closefunc (if non-NULL) is upcalled with
- * as follows:
- *
- * (*closefunc) (queue, entry)
- *
- * The freeproc, if non-NULL, is called whenever the last display is
- * closed, notifying the creator that display queue may be released
- * using XmuDQDestroy.
- *
- *
- * Bool XmuDQDestroy (q, docallbacks)
- * XmuDisplayQueue *q;
- * Bool docallbacks;
- *
- * Releases all memory for the indicated display queue. If docallbacks
- * is true, then the closefunc (if non-NULL) is called for each
- * display.
- *
- *
- * XmuDisplayQueueEntry *XmuDQLookupDisplay (q, dpy)
- * XmuDisplayQueue *q;
- * Display *dpy;
- *
- * Returns the queue entry for the specified display or NULL if the
- * display is not in the queue.
- *
- *
- * XmuDisplayQueueEntry *XmuDQAddDisplay (q, dpy, data)
- * XmuDisplayQueue *q;
- * Display *dpy;
- * caddr_t data;
- *
- * Adds the indicated display to the end of the queue or NULL if it
- * is unable to allocate memory. The data field may be used by the
- * caller to attach arbitrary data to this display in this queue. The
- * caller should use XmuDQLookupDisplay to make sure that the display
- * hasn't already been added.
- *
- *
- * Bool XmuDQRemoveDisplay (q, dpy)
- * XmuDisplayQueue *q;
- * Display *dpy;
- *
- * Removes the specified display from the given queue. If the
- * indicated display is not found on this queue, False is returned,
- * otherwise True is returned.
- */
-
- typedef struct _XmuDisplayQueueEntry {
- struct _XmuDisplayQueueEntry *prev, *next;
- Display *display;
- CloseHook closehook;
- caddr_t data;
- } XmuDisplayQueueEntry;
-
- typedef struct _XmuDisplayQueue {
- int nentries;
- XmuDisplayQueueEntry *head, *tail;
- int (*closefunc)(struct _XmuDisplayQueue *,struct _XmuDisplayQueueEntry * /* POHC 91/04/16 */);
- int (*freefunc)(struct _XmuDisplayQueue * /* POHC 91/04/16 */);
- caddr_t data;
- } XmuDisplayQueue;
-
-
- extern XmuDisplayQueue *XmuDQCreate ();
- extern Bool XmuDQDestroy ();
- extern XmuDisplayQueueEntry *XmuDQLookupDisplay ();
- extern XmuDisplayQueueEntry *XmuDQAddDisplay ();
- extern Bool XmuDQRemoveDisplay ();
-
-
- #define XmuDQNDisplays(q) ((q)->nentries)