Version: 8.3.0
•All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Properties Friends Macros Pages
GLViewer_ViewPort2d.h
Go to the documentation of this file.
1 // Copyright (C) 2007-2016 CEA/DEN, EDF R&D, OPEN CASCADE
2 //
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
5 //
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License, or (at your option) any later version.
10 //
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
15 //
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 //
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
21 //
22 
23 // Author : OPEN CASCADE
24 // File: GLViewer_ViewPort2d.h
25 // Created: November, 2004
26 //
27 #ifndef GLVIEWER_VIEWPORT2D_H
28 #define GLVIEWER_VIEWPORT2D_H
29 
30 #ifdef WIN32
31 #include <windows.h>
32 #endif
33 
34 #ifdef __APPLE__
35 #include <OpenGL/gl.h>
36 #include <OpenGL/glu.h>
37 #else
38 #include <GL/gl.h>
39 #include <GL/glu.h>
40 #endif
41 
42 #include "GLViewer_ViewPort.h"
43 #include "GLViewer_Widget.h"
44 #include "GLViewer_Geom.h"
45 
46 #include <QtOpenGL>
47 #include <QColor>
48 #include <QPaintDevice>
49 
50 #ifdef WIN32
51 #pragma warning( disable:4251 )
52 #endif
53 
54 class GLViewer_Compass;
55 class GLViewer_Grid;
56 class GLViewer_Object;
57 class GLViewer_ViewFrame;
58 
59 class QtxToolTip;
60 
61 class QWidget;
62 class QRubberBand;
63 
68 class GLViewer_ViewPort2d: public GLViewer_ViewPort
69 {
70  Q_OBJECT
71 
73  enum vpDragState{ noDrag, initDrag, inDrag };
74 
75 public:
76  GLViewer_ViewPort2d( QWidget* parent, GLViewer_ViewFrame* theViewFrame = NULL );
77  ~GLViewer_ViewPort2d();
78 
80  void turnGrid( GLboolean on );
82  GLViewer_Grid* getGrid() const { return myGrid; }
84  void setGridColor( const QColor gridColor, const QColor axisColor );
85 
87  GLViewer_ViewFrame* getViewFrame() const { return myViewFrame; }
89  GLViewer_Widget* getGLWidget() const { return myGLWidget; }
90  virtual QPaintDevice* getPaintDevice() { return myGLWidget; }
91 
93  void setBackgroundColor( const QColor& color);
95  QColor backgroundColor() const;
96 
98  void setBorder( GLViewer_Rect* border ) { myBorder = border; }
100  GLViewer_Rect* getBorder() const { return myBorder; }
101 
103  void setMargin( GLfloat margin ) { myMargin = margin; }
105  GLfloat getMargin() const { return myMargin; }
106 
108  int getWidth() const { return myWidth; }
110  int getHeight() const { return myHeight; }
111 
112 
114  void getScale( GLfloat& xSc, GLfloat& ySc ) const { xSc = myXScale; ySc = myYScale; }
116  void getPan( GLfloat& xPan, GLfloat& yPan ) const { xPan = myXPan; yPan = myYPan; }
117 
119  void initResize( int width, int height );
120 
122  void startRotation( int, int );
124  void rotate( int, int );
126  void endRotation();
127 
129  bool isDragProcess(){ return myIsDragProcess; }
130 
132  void turnCompass( GLboolean on );
134  void drawCompass();
135 
137  int getViewPortId(){ return myViewPortId; }
138 
140  virtual BlockStatus currentBlock();
141 
143  void startSelectByRect( int x, int y );
145  void drawSelectByRect( int x, int y );
147  void finishSelectByRect();
148 
150  bool startPulling( GLViewer_Pnt );
152  void drawPulling( GLViewer_Pnt );
154  void finishPulling();
156  bool isPulling() const { return myIsPulling; }
157 
159  QRect selectionRect();
160 
162  GLViewer_Rect win2GLV( const QRect& ) const;
164  QRect GLV2win( const GLViewer_Rect& ) const;
165 
166 signals:
168  void vpUpdateValues();
169 
170  void objectMoved();
171 
172 protected:
173  void onDragObject( QMouseEvent* );
174 
175  virtual void mouseMoveEvent( QMouseEvent *);
176  virtual void mousePressEvent( QMouseEvent *);
177  virtual void mouseReleaseEvent( QMouseEvent *);
178  virtual void mouseDoubleClickEvent( QMouseEvent *);
179 
180  virtual void paintEvent( QPaintEvent* );
181  virtual void resizeEvent( QResizeEvent* );
182 
184  virtual void reset();
186  virtual void pan( int dx, int dy );
188  virtual void setCenter( int x, int y );
190  virtual void zoom( int x0, int y0, int x1, int y1 );
192  virtual void fitRect( const QRect& );
194  virtual void fitSelect();
196  virtual void fitAll( bool keepScale = false, bool withZ = true );
197 
198 protected slots:
200  void onStartDragObject();
202  void onPasteObject();
204  void onCutObject();
206  void onCopyObject();
207 
209  void onMaybeTip( QPoint thePoint, QString& text, QFont& font, QRect& theTextReg, QRect& theViewReg );
210 
211 protected:
212  GLViewer_ViewFrame* myViewFrame;
213  GLViewer_Widget* myGLWidget;
214  GLViewer_Rect* myBorder;
215  QColor myBackgroundColor;
216 
217  GLfloat myMargin;
218  int myHeight;
219  int myWidth;
220 
221  GLfloat myXScale;
222  GLfloat myYScale;
223  GLfloat myXOldScale;
224  GLfloat myYOldScale;
225  GLfloat myXPan;
226  GLfloat myYPan;
227 
228  GLViewer_Grid* myGrid;
229  GLViewer_Compass* myCompass;
230 
231  //dragging
232  int myIsDragProcess;
233  float* myCurDragPosX;
234  float* myCurDragPosY;
235 
236  //selection by rect
237  QPoint* mypFirstPoint;
238  QPoint* mypLastPoint;
239 
240  //pulling
241  bool myIsPulling;
242  GLViewer_Object* myPullingObject;
243 
244  int myViewPortId;
245 
246  //GLViewer_ObjectTip* myObjectTip;
247  QtxToolTip* myObjectTip;
249  bool myIsMouseReleaseBlock;
250 
251  QRubberBand* myRectBand;
252 };
253 
254 #ifdef WIN32
255 #pragma warning ( default:4251 )
256 #endif
257 
258 #endif