vcglib/wrap/qt/trackball.h

/****************************************************************************
* VCGLib                                                            o o     *
* Visual and Computer Graphics Library                            o     o   *
*                                                                _   O  _   *
* Copyright(C) 2007                                                \/)\/    *
* Visual Computing Lab                                            /\/|      *
* ISTI - Italian National Research Council                           |      *
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* All rights reserved.                                                      *
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* This program 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 General Public License (http://www.gnu.org/licenses/gpl.txt)          *
* for more details.                                                         *
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/****************************************************************************
  History

$Log: trackball.h,v $

****************************************************************************/

#ifndef QT_TRACKBALL_H
#define QT_TRACKBALL_H

/// Takes a QT MouseButton, some QT KeyboardModifiers and returns the equivalent Trackball::Button
static vcg::Trackball::Button QT2VCG (Qt::MouseButton qtbt, Qt::KeyboardModifiers modifiers)
{
  int vcgbt = vcg::Trackball::BUTTON_NONE;

  if (qtbt & Qt::LeftButton)	vcgbt |= vcg::Trackball::BUTTON_LEFT;
  if (qtbt & Qt::RightButton)	vcgbt |= vcg::Trackball::BUTTON_RIGHT;
  if (qtbt & Qt::MidButton)		vcgbt |= vcg::Trackball::BUTTON_MIDDLE;

  if (modifiers & Qt::ShiftModifier)		vcgbt |= vcg::Trackball::KEY_SHIFT;
  if (modifiers & Qt::ControlModifier)	vcgbt |= vcg::Trackball::KEY_CTRL;
  if (modifiers & Qt::AltModifier)			vcgbt |= vcg::Trackball::KEY_ALT;

  return vcg::Trackball::Button (vcgbt);
}

/// Takes some QT KeyboardModifiers and returns the mouse wheel related Trackball::Button
static vcg::Trackball::Button QTWheel2VCG (Qt::KeyboardModifiers modifiers)
{
  int vcgbt = vcg::Trackball::WHEEL;

  if (modifiers & Qt::ShiftModifier)		vcgbt |= vcg::Trackball::KEY_SHIFT;
  if (modifiers & Qt::ControlModifier)	vcgbt |= vcg::Trackball::KEY_CTRL;
  if (modifiers & Qt::AltModifier)			vcgbt |= vcg::Trackball::KEY_ALT;

  return vcg::Trackball::Button (vcgbt);
}

#endif // QT_TRACKBALL_H