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0001 // Copyright (C) 2010, Guy Barrand. All rights reserved.
0002 // See the file tools.license for terms.
0003
0004 #ifndef toolx_Qt_glarea
0005 #define toolx_Qt_glarea
0006
0007 #include "../sg/GL_viewer"
0008
0009 #include <QtCore/qglobal.h> //For QT_VERSION.
0010
0011 #if QT_VERSION < 0x060000
0012 #include <QtOpenGL/qgl.h>
0013 #else
0014 #include <QtOpenGLWidgets/qopenglwidget.h>
0015 #endif
0016
0017 #include <QtGui/qevent.h>
0018
0019 #include <tools/sg/device_interactor>
0020 #ifdef TOOLS_MEM
0021 #include <tools/mem>
0022 #endif
0023
0024 namespace toolx {
0025 namespace Qt {
0026
0027 class glarea
0028 #if QT_VERSION < 0x060000
0029 :public QGLWidget
0030 #else
0031 :public QOpenGLWidget
0032 #endif
0033 {
0034 #if QT_VERSION < 0x060000
0035   typedef QGLWidget parent;
0036 #else
0037   using parent = QOpenGLWidget;
0038 #endif
0039   TOOLS_SCLASS(toolx::Qt::glarea)
0040 public:
0041   virtual void initializeGL() {}
0042   virtual void paintGL() {
0043 #if QT_VERSION < 0x050000
0044     m_viewer.set_size(width(),height());
0045 #else
0046     m_viewer.set_size(devicePixelRatio()*width(),devicePixelRatio()*height());
0047 #endif
0048     m_viewer.render();
0049   }
0050
0051   virtual void keyPressEvent(QKeyEvent* a_event) {
0052     if(!m_interactor) return;
0053     tools::sg::key_down_event _event(convert_key(a_event->key()));
0054     m_interactor->key_press(_event);
0055   }
0056   virtual void keyReleaseEvent(QKeyEvent* a_event) {
0057     if(!m_interactor) return;
0058     tools::sg::key_up_event _event(convert_key(a_event->key()));
0059     m_interactor->key_release(_event);
0060   }
0061   virtual void mousePressEvent(QMouseEvent* a_event) {
0062     if(!m_interactor) return;
0063 #if QT_VERSION < 0x060000
0064     tools::sg::mouse_down_event _event(a_event->x(),a_event->y());
0065 #else
0066     tools::sg::mouse_down_event _event(a_event->position().x(),a_event->position().y());
0067 #endif
0068     m_interactor->mouse_press(_event);
0069   }
0070   virtual void mouseReleaseEvent(QMouseEvent* a_event) {
0071     if(!m_interactor) return;
0072 #if QT_VERSION < 0x060000
0073     tools::sg::mouse_up_event _event(a_event->x(),a_event->y());
0074 #else
0075     tools::sg::mouse_up_event _event(a_event->position().x(),a_event->position().y());
0076 #endif
0077     m_interactor->mouse_release(_event);
0078   }
0079   virtual void mouseMoveEvent(QMouseEvent* a_event) {
0080     if(!m_interactor) return;
0081 #if QT_VERSION < 0x060000
0082     tools::sg::mouse_move_event _event(a_event->x(),a_event->y(),0,0,false);
0083 #else
0084     tools::sg::mouse_move_event _event(a_event->position().x(),a_event->position().y(),0,0,false);
0085 #endif
0086     m_interactor->mouse_move(_event);
0087   }
0088   virtual void wheelEvent(QWheelEvent* a_event) {
0089     if(!m_interactor) return;
0090     tools::sg::wheel_rotate_event _event(a_event->angleDelta().y());
0091     m_interactor->wheel_rotate(_event);
0092   }
0093
0094 public:
0095   glarea(QWidget* a_parent,toolx::sg::GL_viewer& a_viewer):parent(a_parent),m_viewer(a_viewer),m_interactor(0){
0096 #ifdef TOOLS_MEM
0097     tools::mem::increment(s_class().c_str());
0098 #endif
0099   }
0100   virtual ~glarea(){
0101 #ifdef TOOLS_MEM
0102     tools::mem::decrement(s_class().c_str());
0103 #endif
0104   }
0105 public:
0106   void set_device_interactor(tools::sg::device_interactor* a_interactor) {m_interactor = a_interactor;} //we do not have ownership.
0107 protected:
0108   tools::key_code convert_key(/*Qt::Key*/int a_key) {return a_key;}
0109 protected:
0110   toolx::sg::GL_viewer& m_viewer;
0111   tools::sg::device_interactor* m_interactor;
0112 };
0113
0114 }}
0115
0116
0117 #endif