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Creative Computers
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Creative Computers CD-ROM, Volume 1 (Legendary Design Technologies, Inc.)(1994).iso
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taske_37.1
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cxhand.c
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C/C++ Source or Header
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1994-11-17
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4KB
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162 lines
/*
* Copyright (c) 1993 Michael D. Bayne.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are permitted provided that
* the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the
* following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
* following disclaimer in the documentation and/or other materials provided with the distribution.
*
* 3. All advertising materials mentioning features or use of this software must display the following
* acknowledgement:
*
* This product includes software developed by Michael D. Bayne.
*
* 4. My name may not be used to endorse or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY MICHAEL D. BAYNE ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT
* NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL MICHAEL D. BAYNE BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <exec/types.h>
#include <libraries/commodities.h>
#include <devices/inputevent.h>
#include <intuition/intuition.h>
#include <intuition/intuitionbase.h>
#include <clib/exec_protos.h>
#include <clib/intuition_protos.h>
#include <clib/gadtools_protos.h>
#include <clib/utility_protos.h>
#include <clib/commodities_protos.h>
#include <clib/alib_protos.h>
#include <stdio.h>
#include "TaskE_rev.h"
#include "defs.h"
#define KILLKEY "ctrl alt k"
struct MsgPort *tPort;
CxObj *tBroker, *killKey;
extern ULONG killMode;
extern struct IntuitionBase *IBase;
struct NewBroker ntBroker = {
NB_VERSION,
"Task Exchange", VERS,
"Task manipulation software",
0, 0, 0, 0, 0
};
ULONG handleCxMess( void )
{
struct Window *deadWnd;
struct Screen *deadScr;
ULONG msgid, msgtype, lock;
CxMsg *msg;
while( msg = ( CxMsg * )GetMsg( tPort )) {
msgid = CxMsgID( msg );
msgtype = CxMsgType( msg );
ReplyMsg(( struct Message * )msg );
switch( msgtype ) {
case CXM_IEVENT:
switch( msgid ) {
case EVT_CX_KILL:
switch( killMode ) {
case WINDOW:
lock = LockIBase( 0 );
if( IBase->FirstScreen->FirstWindow ) for( deadWnd = IBase->FirstScreen->FirstWindow;
!(( deadWnd->Flags )&( WFLG_WINDOWACTIVE )); deadWnd = deadWnd->NextWindow );
UnlockIBase( lock );
if( deadWnd ) CloseWindow( deadWnd );
deadWnd = 0L;
killMode = NONE;
break;
case SCREEN:
lock = LockIBase( 0 );
deadScr = IBase->FirstScreen;
UnlockIBase( lock );
for( deadWnd = deadScr->FirstWindow; deadScr->FirstWindow;
deadWnd = deadScr->FirstWindow ) {
CloseWindow( deadWnd );
}
deadWnd = 0L;
CloseScreen( deadScr );
deadScr = 0L;
killMode = NONE;
break;
}
break;
}
break;
case CXM_COMMAND:
switch( msgid ) {
case CXCMD_DISABLE:
ActivateCxObj( tBroker, 0l );
break;
case CXCMD_ENABLE:
ActivateCxObj( tBroker, 1l );
break;
case CXCMD_KILL:
return( 0 );
break;
default:
break;
}
default:
break;
}
}
return( 1 );
}
void ShutdownCX( void )
{
CxMsg *msg;
if( tPort ) {
if( tBroker ) DeleteCxObjAll( tBroker );
tBroker = 0l;
while( msg = ( CxMsg * )GetMsg( tPort )) ReplyMsg(( struct Message * )msg );
DeletePort( tPort );
tPort = 0l;
}
}
ULONG SetupCX( void )
{
ULONG cxSigFlag;
if( tPort = CreateMsgPort()) {
ntBroker.nb_Port = tPort;
cxSigFlag = 1L << tPort->mp_SigBit;
if( tBroker = CxBroker( &ntBroker, NULL )) {
if( killKey = HotKey( KILLKEY, tPort, EVT_CX_KILL )) AttachCxObj( tBroker, killKey );
if(!( CxObjError( tBroker ))) {
ActivateCxObj( tBroker, 1l );
return( cxSigFlag );
} else {
DeleteCxObjAll( tBroker );
tBroker = 0l;
}
}
DeletePort( tPort );
tPort = 0l;
}
return( 0 );
}