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/*
*
* Copyright (C) 2000 Silicon Graphics, Inc. All Rights Reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it 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.
*
* Further, this software is distributed without any warranty that it is
* free of the rightful claim of any third person regarding infringement
* or the like. Any license provided herein, whether implied or
* otherwise, applies only to this software file. Patent licenses, if
* any, provided herein do not apply to combinations of this program with
* other software, or any other product whatsoever.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
* Mountain View, CA 94043, or:
*
* http://www.sgi.com
*
* For further information regarding this notice, see:
*
* http://oss.sgi.com/projects/GenInfo/NoticeExplan/
*
*/
// -*- C++ -*-
/*
* Copyright (C) 1990,91 Silicon Graphics, Inc.
*
_______________________________________________________________________
______________ S I L I C O N G R A P H I C S I N C . ____________
|
| $Revision: 1.1.1.1 $
|
| Classes : simpleViewer
|
| Author(s) : Alain Dumesny
|
______________ S I L I C O N G R A P H I C S I N C . ____________
_______________________________________________________________________
*/
#ifndef _SIMPLE_VIEWER_
#define _SIMPLE_VIEWER_
#include <Inventor/Xt/viewers/SoXtFullViewer.h>
#include <Inventor/SbLinear.h>
//////////////////////////////////////////////////////////////////////////////
//
// Class: simpleViewer
//
// simpleViewer - viewer which translates the camera
// in the viewer plane.
//
//////////////////////////////////////////////////////////////////////////////
class simpleViewer : public SoXtFullViewer {
public:
// constructor/destructor
simpleViewer(
Widget parent = NULL,
const char *name = NULL,
SbBool buildInsideParent = TRUE,
SoXtFullViewer::BuildFlag flag = BUILD_ALL,
SoXtViewer::Type type = BROWSER);
~simpleViewer();
// redefine this to also change the cursor (viewerCursor)
virtual void setViewing(SbBool onOrOff);
protected:
// redefine this to process the events
virtual void processEvent(XAnyEvent *anyevent);
// redefine this to also change the cursor (seekCursor)
virtual void setSeekMode(SbBool onOrOff);
// Define those thumb wheels to translate in the viewer plane
virtual void bottomWheelMotion(float newVal);
virtual void leftWheelMotion(float newVal);
virtual void rightWheelMotion(float newVal);
virtual void bottomWheelStart();
virtual void leftWheelStart();
// redefine this to customize the preference sheet
virtual void createPrefSheet();
// Define this to bring the viewer help card
virtual void openViewerHelpCard();
private:
// viewer state variables
int mode;
SbBool createdCursors;
Cursor vwrCursor, seekCursor;
SbVec2s locator; // mouse position
// camera translation vars
SbVec3f locator3D;
SbPlane focalplane;
float transXspeed, transYspeed;
void switchMode(int newMode);
void defineCursors();
void translateCamera();
void computeTranslateValues();
};
#endif /* _SIMPLE_VIEWER_ */
|
