Source/Contrib/ComplexSceneManagerQt/OSGCSMQT4Window.cpp

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  38
  39 //---------------------------------------------------------------------------
  40 //  Includes
  41 //---------------------------------------------------------------------------
  42
  43 #include <cstdlib>
  44 #include <cstdio>
  45
  46 #ifdef OSG_WITH_QT5
  47 # include <QtWidgets/QApplication>
  48 # include <QtWidgets/QDesktopWidget>
  49 #else
  50 # include <QtGui/QApplication>
  51 # include <QtGui/QDesktopWidget>
  52 #endif
  53
  54 #include "OSGConfig.h"
  55
  56 #include "OSGCSMQT4Window.h"
  57 #include "OSGCSMQT4GLWidget_qt.h"
  58 #include "OSGQT4Window.h"
  59 #include "OSGComplexSceneManager.h"
  60
  61 OSG_BEGIN_NAMESPACE
  62
  63 // Documentation for this class is emitted in the
  64 // OSGCSMQT4WindowBase.cpp file.
  65 // To modify it, please change the .fcd file (OSGCSMQT4Window.fcd) and
  66 // regenerate the base file.
  67
  68 /***************************************************************************\
  69  *                           Class variables                               *
  70 \***************************************************************************/
  71
  72 bool          CSMQT4Window::_bRun = false;
  73 QApplication *CSMQT4Window::_pApp = NULL;
  74
  75 /***************************************************************************\
  76  *                           Class methods                                 *
  77 \***************************************************************************/
  78
  79 void CSMQT4Window::initMethod(InitPhase ePhase)
  80 {
  81     Inherited::initMethod(ePhase);
  82
  83     if(ePhase == TypeObject::SystemPost)
  84     {
  85     }
  86 }
  87
  88 /***************************************************************************\
  89  *                           Instance methods                              *
  90 \***************************************************************************/
  91
  92 /*-------------------------------------------------------------------------*\
  93  -  private                                                                 -
  94 \*-------------------------------------------------------------------------*/
  95
  96 /*----------------------- constructors & destructors ----------------------*/
  97
  98 CSMQT4Window::CSMQT4Window(void) :
  99      Inherited(    ),
 100     _pQTWidget(NULL)
 101 {
 102 }
 103
 104 CSMQT4Window::CSMQT4Window(const CSMQT4Window &source) :
 105      Inherited(source),
 106     _pQTWidget(NULL  )
 107 {
 108 }
 109
 110 CSMQT4Window::~CSMQT4Window(void)
 111 {
 112 }
 113
 114 void CSMQT4Window::resolveLinks(void)
 115 {
 116     Inherited::resolveLinks();
 117 }
 118
 119 void CSMQT4Window::terminateGLContext(void)
 120 {
 121     if(_pWindow != NULL)
 122     {
 123         _pWindow->terminate();
 124     }
 125
 126     if(_pQTWidget != NULL)
 127     {
 128         delete _pQTWidget;
 129
 130         _pQTWidget = NULL;
 131     }
 132 }
 133
 134 /*----------------------------- class specific ----------------------------*/
 135
 136 void CSMQT4Window::changed(ConstFieldMaskArg whichField,
 137                             UInt32            origin,
 138                             BitVector         details)
 139 {
 140     Inherited::changed(whichField, origin, details);
 141 }
 142
 143 void CSMQT4Window::dump(      UInt32    ,
 144                          const BitVector ) const
 145 {
 146     SLOG << "Dump CSMQT4Window NI" << std::endl;
 147 }
 148
 149 void CSMQT4Window::initQtApp(void)
 150 {
 151     if(_pApp == NULL)
 152     {
 153         QApplication::setColorSpec(QApplication::CustomColor);
 154
 155         static const Char8 *appName   = "testCSM";
 156         static const Char8 *dispParam = "-display";
 157
 158         std::vector<const Char8 *> vArgs;
 159
 160         vArgs.push_back(appName);
 161
 162 #ifndef WIN32
 163         if(this->getPrimaryDisplayString().empty() == false)
 164         {
 165             vArgs.push_back(dispParam);
 166             vArgs.push_back(this->getPrimaryDisplayString().c_str());
 167         }
 168 #endif
 169
 170         static       Int32   argc = vArgs.size();
 171         static const Char8 **argv = &(vArgs[0]);
 172
 173         _pApp = new QApplication(argc, const_cast<Char8 **>(argv));
 174     }
 175 }
 176
 177 bool CSMQT4Window::init(void)
 178 {
 179     this->initQtApp();
 180
 181     UInt32 uiWidth;
 182     UInt32 uiHeight;
 183
 184     Int32  iXPos = 0;
 185     Int32  iYPos = 0;
 186
 187     const QRect screenGeometry = QApplication::desktop()->screenGeometry();
 188
 189     if(this->getXPos() > 0.f && this->getYPos() > 0.f)
 190     {
 191         iXPos = Int32(this->getXPos());
 192         iYPos = Int32(this->getYPos());
 193     }
 194
 195     if(this->getXSize() >= 1.f)
 196     {
 197         uiWidth = UInt32(this->getXSize());
 198     }
 199     else if(this->getXSize() <= 0.f)
 200     {
 201         uiWidth = screenGeometry.width();
 202     }
 203     else
 204     {
 205         uiWidth = UInt32(Real32(screenGeometry.width()) *
 206                          this->getXSize());
 207     }
 208
 209     if(this->getYSize() >= 1.f)
 210     {
 211         uiHeight = UInt32(this->getYSize());
 212     }
 213     else if(this->getYSize() <= 0.f)
 214     {
 215         uiHeight = screenGeometry.height();
 216     }
 217     else
 218     {
 219         uiHeight = UInt32(Real32(screenGeometry.height()) *
 220                           this->getYSize());
 221     }
 222
 223
 224
 225     QT4WindowUnrecPtr pQT4Window = QT4Window::create();
 226
 227     pQT4Window->setPrivateOSGContext(this->getPrivateContext());
 228
 229     _pQTWidget =
 230         new CSMQT4GLWidget(
 231             new OSGQGLWidget::GLContext(QGLFormat::defaultFormat()),
 232             NULL,
 233             NULL,
 234             0                                                      );
 235
 236     _pQTWidget->setQT4Window(this);
 237
 238     if(this->getDecorEnabled() == false)
 239     {
 240         _pQTWidget->setWindowFlags(Qt::FramelessWindowHint);
 241     }
 242
 243     _pQTWidget->show();
 244     _pQTWidget->setGeometry(iXPos, iYPos, uiWidth, uiHeight);
 245
 246     pQT4Window->setGlWidget(_pQTWidget);
 247
 248     _pApp->processEvents();
 249
 250     pQT4Window->init();
 251     pQT4Window->resize(uiWidth,
 252                        uiHeight);
 253
 254     if(ComplexSceneManager::the() != NULL)
 255         ComplexSceneManager::the()->setMainloop(&CSMQT4Window::qtMainLoop);
 256
 257     _pWindow = pQT4Window;
 258
 259     _bRun = true;
 260
 261     _pApp->processEvents();
 262
 263
 264     Inherited::init();
 265
 266     return true;
 267 }
 268
 269 void CSMQT4Window::qtMainLoop(void)
 270 {
 271     if(!QGLFormat::hasOpenGL() || _pApp == NULL)
 272     {
 273         qWarning( "This system has no OpenGL support. Exiting." );
 274
 275         return;
 276     }
 277
 278     while(_bRun == true)
 279     {
 280         _pApp->processEvents(); // execute QT main loop
 281
 282         ComplexSceneManager::the()->frame();
 283
 284         Thread::getCurrentChangeList()->commitChangesAndClear();
 285     }
 286
 287     ComplexSceneManager::the()->terminate();
 288
 289     delete _pApp;
 290
 291     _pApp = NULL;
 292 }
 293
 294 OSG_END_NAMESPACE