101 lines
4.7 KiB
C
101 lines
4.7 KiB
C
/****************************************************************************
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* VCGLib o o *
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* Visual and Computer Graphics Library o o *
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* _ O _ *
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* Copyright(C) 2007 \/)\/ *
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* Visual Computing Lab /\/| *
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* ISTI - Italian National Research Council | *
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* \ *
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* All rights reserved. *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License (http://www.gnu.org/licenses/gpl.txt) *
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* for more details. *
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* *
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****************************************************************************/
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#ifndef QT_TRACKBALL_H
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#define QT_TRACKBALL_H
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#include <wrap/qt/device_to_logical.h>
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/// Transforms the event coordintates (that are device independent)
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/// into the expected framebuffer coordinates (e.g.in opengl pixels)
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/// This is necessary because trackball works in the viewport coord systems.
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inline float QT2VCG_X( QWidget *qw, QMouseEvent *e)
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{
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return QTLogicalToDevice(qw,e->x());
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}
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/// Transforms the event coordintates (that are device independent)
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/// into the expected framebuffer coordinates (e.g.in opengl pixels)
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/// This is necessary because trackball works in the viewport coord systems.
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inline float QT2VCG_Y( QWidget *qw, QMouseEvent *e)
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{
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return QTLogicalToDevice(qw,qw->height () - e->y ());
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}
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/// Takes a QT MouseButton, some QT KeyboardModifiers and returns the equivalent Trackball::Button
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inline vcg::Trackball::Button QT2VCG (Qt::MouseButton qtbt, Qt::KeyboardModifiers modifiers)
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{
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int vcgbt = vcg::Trackball::BUTTON_NONE;
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if (qtbt & Qt::LeftButton) vcgbt |= vcg::Trackball::BUTTON_LEFT;
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if (qtbt & Qt::RightButton) vcgbt |= vcg::Trackball::BUTTON_RIGHT;
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if (qtbt & Qt::MidButton) vcgbt |= vcg::Trackball::BUTTON_MIDDLE;
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if (modifiers & Qt::ShiftModifier) vcgbt |= vcg::Trackball::KEY_SHIFT;
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if (modifiers & Qt::ControlModifier) vcgbt |= vcg::Trackball::KEY_CTRL;
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if (modifiers & Qt::AltModifier) vcgbt |= vcg::Trackball::KEY_ALT;
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return vcg::Trackball::Button (vcgbt);
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}
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/// Takes a QT ket and QT KeyboardModifiers and returns the mouse wheel related Trackball::Button
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inline vcg::Trackball::Button QTWheel2VCG (Qt::KeyboardModifiers modifiers)
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{
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int vcgbt = vcg::Trackball::WHEEL;
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if (modifiers & Qt::ShiftModifier) vcgbt |= vcg::Trackball::KEY_SHIFT;
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if (modifiers & Qt::ControlModifier) vcgbt |= vcg::Trackball::KEY_CTRL;
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if (modifiers & Qt::AltModifier) vcgbt |= vcg::Trackball::KEY_ALT;
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return vcg::Trackball::Button (vcgbt);
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}
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/// Takes some QT KeyboardModifiers and returns the mouse wheel related Trackball::Button
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inline vcg::Trackball::Button QTKey2VCG (int key, Qt::KeyboardModifiers modifiers)
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{
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int vcgbt = 0;
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switch (key) {
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case Qt::Key_W :
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case Qt::Key_Up : vcgbt = vcg::Trackball::KEY_UP ; break;
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case Qt::Key_A :
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case Qt::Key_Left : vcgbt = vcg::Trackball::KEY_LEFT ; break;
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case Qt::Key_S :
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case Qt::Key_Down : vcgbt = vcg::Trackball::KEY_DOWN ; break;
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case Qt::Key_D :
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case Qt::Key_Right: vcgbt = vcg::Trackball::KEY_RIGHT; break;
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case Qt::Key_R :
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case Qt::Key_PageUp: vcgbt = vcg::Trackball::KEY_PGUP ; break;
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case Qt::Key_F :
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case Qt::Key_PageDown: vcgbt = vcg::Trackball::KEY_PGDOWN; break;
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default : vcgbt = 0;
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}
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if (modifiers & Qt::ShiftModifier) vcgbt |= vcg::Trackball::KEY_SHIFT;
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if (modifiers & Qt::ControlModifier) vcgbt |= vcg::Trackball::KEY_CTRL;
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if (modifiers & Qt::AltModifier) vcgbt |= vcg::Trackball::KEY_ALT;
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return vcg::Trackball::Button (vcgbt);
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}
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#endif // QT_TRACKBALL_H
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