128 lines
3.3 KiB
C++
128 lines
3.3 KiB
C++
/*
|
|
* CDE - Common Desktop Environment
|
|
*
|
|
* Copyright (c) 1993-2012, The Open Group. All rights reserved.
|
|
*
|
|
* These libraries and programs are free software; you can
|
|
* redistribute them and/or modify them under the terms of the GNU
|
|
* Lesser General Public License as published by the Free Software
|
|
* Foundation; either version 2 of the License, or (at your option)
|
|
* any later version.
|
|
*
|
|
* These libraries and programs are distributed in the hope that
|
|
* they will be useful, but WITHOUT ANY WARRANTY; without even the
|
|
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
|
|
* PURPOSE. See the GNU Lesser General Public License for more
|
|
* details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with these libraries and programs; if not, write
|
|
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
|
|
* Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
/*
|
|
*+SNOTICE
|
|
*
|
|
* $XConsortium: Notifier.hh /main/4 1996/04/21 19:42:50 drk $
|
|
*
|
|
* RESTRICTED CONFIDENTIAL INFORMATION:
|
|
*
|
|
* The information in this document is subject to special
|
|
* restrictions in a confidential disclosure agreement between
|
|
* HP, IBM, Sun, USL, SCO and Univel. Do not distribute this
|
|
* document outside HP, IBM, Sun, USL, SCO, or Univel without
|
|
* Sun's specific written approval. This document and all copies
|
|
* and derivative works thereof must be returned or destroyed at
|
|
* Sun's request.
|
|
*
|
|
* Copyright 1993 Sun Microsystems, Inc. All rights reserved.
|
|
*
|
|
*+ENOTICE
|
|
*/
|
|
|
|
#ifndef NOTIFIER_HH
|
|
#define NOTIFIER_HH
|
|
|
|
#include <X11/Intrinsic.h>
|
|
|
|
#include <DtMail/DtMailTypes.h>
|
|
#include <DtMail/DtVirtArray.hh>
|
|
#include <DtMail/HashTable.hh>
|
|
|
|
class NotifyEvent {
|
|
public:
|
|
NotifyEvent(void);
|
|
virtual ~NotifyEvent(void);
|
|
|
|
virtual void eventTriggered(void); // PURE VIRTUAL
|
|
};
|
|
|
|
class Notifier {
|
|
public:
|
|
Notifier(XtAppContext);
|
|
virtual ~Notifier(void);
|
|
|
|
void notify(NotifyEvent & event,
|
|
DtMailBoolean fast_path = DTM_FALSE);
|
|
|
|
typedef void * IntervalId;
|
|
IntervalId addInterval(int interval_ms,
|
|
DtMailBoolean multi_shot,
|
|
NotifyEvent & event);
|
|
void removeInterval(IntervalId id);
|
|
|
|
void signalEvent(int sig, NotifyEvent & event);
|
|
void removeSignal(int sig);
|
|
|
|
private:
|
|
int _event_fds[2];
|
|
DtVirtArray<NotifyEvent *> _events;
|
|
|
|
struct TimerSearch;
|
|
friend TimerSearch;
|
|
|
|
class EventKey : public ObjectKey {
|
|
public:
|
|
EventKey(void * key);
|
|
~EventKey(void);
|
|
|
|
virtual int operator==(ObjectKey &);
|
|
virtual int operator!=(ObjectKey &);
|
|
virtual int operator<(ObjectKey &);
|
|
virtual int operator>(ObjectKey &);
|
|
virtual int operator<=(ObjectKey &);
|
|
virtual int operator>=(ObjectKey &);
|
|
|
|
virtual HashVal hashValue(void);
|
|
|
|
void * keyValue(void) { return _key; }
|
|
private:
|
|
void * _key;
|
|
};
|
|
|
|
struct TimerEvent {
|
|
NotifyEvent *event;
|
|
DtMailBoolean multi_shot;
|
|
int interval;
|
|
XtIntervalId id;
|
|
};
|
|
|
|
HashTable<TimerEvent *> _timer_events;
|
|
|
|
XtAppContext _context;
|
|
XtInputId _id;
|
|
|
|
static void eventProc(XtPointer client_data, int * fd, XtInputId *);
|
|
static void timerProc(XtPointer, XtIntervalId *);
|
|
|
|
static int deleteTimerEvent(ObjectKey &, TimerEvent *, void *);
|
|
|
|
struct TimerSearch {
|
|
TimerEvent * srch_event;
|
|
EventKey * key;
|
|
};
|
|
static int searchTimer(ObjectKey &, TimerEvent *, void *);
|
|
};
|
|
|
|
#endif
|