tcViewportWidget.h

   1 /***************************************************************************
   2  *   This file is part of Tecorrec.                                        *
   3  *   Copyright 2008 James Hogan <james@albanarts.com>                      *
   4  *                                                                         *
   5  *   Tecorrec is free software: you can redistribute it and/or modify      *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation, either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   Tecorrec is distributed in the hope that it will be useful,           *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with Tecorrec.  If not, write to the Free Software Foundation,  *
  17  *   Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.   *
  18  ***************************************************************************/
  19
  20 #ifndef _tcViewportWidget_h_
  21 #define _tcViewportWidget_h_
  22
  23 /**
  24  * @file tcViewportWidget.h
  25  * @brief OpenGL viewport widget.
  26  */
  27
  28 #include <QGLWidget>
  29 #include <QPointF>
  30
  31 class tcObserver;
  32 class tcGlobe;
  33
  34 /// OpenGL viewport widget.
  35 class tcViewportWidget : public QGLWidget
  36 {
  37     Q_OBJECT
  38
  39   public:
  40
  41     /*
  42      * Constructors + destructor
  43      */
  44
  45     /// Primary constructor.
  46     tcViewportWidget(QWidget* parent);
  47
  48     /// Destructor.
  49     virtual ~tcViewportWidget();
  50
  51     /*
  52      * Modifiers
  53      */
  54
  55     /// Set the globe object.
  56     void setGlobe(tcGlobe* globe);
  57
  58   protected:
  59
  60     /*
  61      * Rendering
  62      */
  63
  64     // Reimplemented
  65     virtual void initializeGL();
  66
  67     // Reimplemented
  68     virtual void resizeGL(int w, int h);
  69
  70     // Reimplemented
  71     virtual void paintGL();
  72
  73     /*
  74      * Mouse events
  75      */
  76
  77     // Reimplemented
  78     virtual void mouseMoveEvent(QMouseEvent* event);
  79
  80     // Reimplemented
  81     virtual void mousePressEvent(QMouseEvent* event);
  82
  83     // Reimplemented
  84     virtual void mouseReleaseEvent(QMouseEvent* event);
  85
  86     // Reimplemented
  87     virtual void wheelEvent(QWheelEvent* event);
  88
  89   private:
  90
  91     /*
  92      * Variables
  93      */
  94
  95     /// Observer.
  96     tcObserver* m_observer;
  97
  98     /// Globe to display.
  99     tcGlobe* m_globe;
 100
 101     /*
 102      * Interaction
 103      */
 104
 105     /// Are we currently interacting?
 106     bool m_mouseInteracting;
 107
 108     /// Previous mouse position.
 109     QPointF m_mousePos;
 110 };
 111
 112 #endif
 113