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SoEventCallback.h
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#ifndef COIN_SOEVENTCALLBACK_H
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#define COIN_SOEVENTCALLBACK_H
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/**************************************************************************\
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* Copyright (c) Kongsberg Oil & Gas Technologies AS
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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\**************************************************************************/
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#include <Inventor/nodes/SoSubNode.h>
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#include <Inventor/lists/SbList.h>
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#ifndef COIN_INTERNAL
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// Added for Inventor compliance
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#include <Inventor/actions/SoHandleEventAction.h>
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#endif // !COIN_INTERNAL
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class
SoEventCallback
;
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class
SoPath
;
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class
SoEvent
;
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class
SoPickedPoint
;
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class
SoHandleEventAction
;
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typedef
void
SoEventCallbackCB
(
void
* userdata,
SoEventCallback
* node);
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class
COIN_DLL_API
SoEventCallback
:
public
SoNode
{
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typedef
SoNode
inherited
;
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SO_NODE_HEADER
(
SoEventCallback
);
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public
:
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static
void
initClass(
void
);
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SoEventCallback
(
void
);
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void
setPath(
SoPath
* path);
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const
SoPath
* getPath(
void
);
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void
addEventCallback(
SoType
eventtype,
SoEventCallbackCB
* f,
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void
* userdata = NULL);
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void
removeEventCallback(
SoType
eventtype,
SoEventCallbackCB
* f,
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void
* userdata = NULL);
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SoHandleEventAction
* getAction(
void
)
const
;
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const
SoEvent
* getEvent(
void
)
const
;
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const
SoPickedPoint
* getPickedPoint(
void
)
const
;
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void
setHandled(
void
);
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SbBool isHandled(
void
)
const
;
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void
grabEvents(
void
);
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void
releaseEvents(
void
);
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protected
:
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virtual
~
SoEventCallback
();
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virtual
void
handleEvent
(
SoHandleEventAction
* action);
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private
:
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struct
CallbackInfo {
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SoEventCallbackCB
* func;
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SoType
eventtype;
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void
* userdata;
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// AIX native compiler xlC needs equality and inequality operators
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// to compile templates where these operators are referenced (even
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// if they are actually never used).
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SbBool operator==(
const
CallbackInfo & cbi) {
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return
this->func == cbi.func && this->eventtype == cbi.eventtype && this->userdata == cbi.userdata;
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}
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SbBool operator!=(
const
CallbackInfo & cbi) {
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return
!(*
this
== cbi);
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}
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};
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SbList<CallbackInfo>
callbacks;
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SoHandleEventAction
* heaction;
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SoPath
* path;
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};
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#endif // !COIN_SOEVENTCALLBACK_H
Copyright © by
Kongsberg Oil & Gas Technologies
. All rights reserved.
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