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geant4/source/externals/g4tools/include/toolx/Qt/glarea
T
2023-06-30 09:09:57 +02:00

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// Copyright (C) 2010, Guy Barrand. All rights reserved.
// See the file tools.license for terms.
#ifndef toolx_Qt_glarea
#define toolx_Qt_glarea
#include "../sg/GL_viewer"
#include <QtCore/qglobal.h> //For QT_VERSION.
#if QT_VERSION < 0x060000
#include <QtOpenGL/qgl.h>
#else
#include <QtOpenGLWidgets/qopenglwidget.h>
#endif
#include <QtGui/qevent.h>
#include <tools/sg/device_interactor>
#ifdef TOOLS_MEM
#include <tools/mem>
#endif
namespace toolx {
namespace Qt {
class glarea
#if QT_VERSION < 0x060000
:public QGLWidget
#else
:public QOpenGLWidget
#endif
{
#if QT_VERSION < 0x060000
typedef QGLWidget parent;
#else
using parent = QOpenGLWidget;
#endif
TOOLS_SCLASS(toolx::Qt::glarea)
public:
virtual void initializeGL() {}
virtual void paintGL() {
#if QT_VERSION < 0x050000
m_viewer.set_size(width(),height());
#else
m_viewer.set_size(devicePixelRatio()*width(),devicePixelRatio()*height());
#endif
m_viewer.render();
}
virtual void keyPressEvent(QKeyEvent* a_event) {
if(!m_interactor) return;
tools::sg::key_down_event _event(convert_key(a_event->key()));
m_interactor->key_press(_event);
}
virtual void keyReleaseEvent(QKeyEvent* a_event) {
if(!m_interactor) return;
tools::sg::key_up_event _event(convert_key(a_event->key()));
m_interactor->key_release(_event);
}
virtual void mousePressEvent(QMouseEvent* a_event) {
if(!m_interactor) return;
#if QT_VERSION < 0x060000
tools::sg::mouse_down_event _event(a_event->x(),a_event->y());
#else
tools::sg::mouse_down_event _event(a_event->position().x(),a_event->position().y());
#endif
m_interactor->mouse_press(_event);
}
virtual void mouseReleaseEvent(QMouseEvent* a_event) {
if(!m_interactor) return;
#if QT_VERSION < 0x060000
tools::sg::mouse_up_event _event(a_event->x(),a_event->y());
#else
tools::sg::mouse_up_event _event(a_event->position().x(),a_event->position().y());
#endif
m_interactor->mouse_release(_event);
}
virtual void mouseMoveEvent(QMouseEvent* a_event) {
if(!m_interactor) return;
#if QT_VERSION < 0x060000
tools::sg::mouse_move_event _event(a_event->x(),a_event->y(),0,0,false);
#else
tools::sg::mouse_move_event _event(a_event->position().x(),a_event->position().y(),0,0,false);
#endif
m_interactor->mouse_move(_event);
}
virtual void wheelEvent(QWheelEvent* a_event) {
if(!m_interactor) return;
tools::sg::wheel_rotate_event _event(a_event->angleDelta().y());
m_interactor->wheel_rotate(_event);
}
public:
glarea(QWidget* a_parent,toolx::sg::GL_viewer& a_viewer):parent(a_parent),m_viewer(a_viewer),m_interactor(0){
#ifdef TOOLS_MEM
tools::mem::increment(s_class().c_str());
#endif
}
virtual ~glarea(){
#ifdef TOOLS_MEM
tools::mem::decrement(s_class().c_str());
#endif
}
public:
void set_device_interactor(tools::sg::device_interactor* a_interactor) {m_interactor = a_interactor;} //we do not have ownership.
protected:
tools::key_code convert_key(/*Qt::Key*/int a_key) {return a_key;}
protected:
toolx::sg::GL_viewer& m_viewer;
tools::sg::device_interactor* m_interactor;
};
}}
#endif