void GLWidget::mouseMoveEvent(QMouseEvent *event){
mouseMotion(event->pos().x(), event->y());
if( CurrIM == ExploreMode){
if(LeftButtonDown == 1 ){ // rotate the volume
MouseMoveToRotate(event->x()-buttonDownX, event->y()-buttonDownY) ;
buttonDownX = event->x() ;
buttonDownY = event->y() ;
}
else if( RightButtonDown == 1){ // move the camera, zoom in or out
MouseMoveToZoom(event->x()-buttonDownX, event->y()-buttonDownY) ;
buttonDownX = event->x() ;
buttonDownY = event->y() ;
}
} //if( InteractionMode == ExploreMode)
else if( CurrIM == SelectMode){
if(LeftButtonDown == 1 ){ // temporary streamline selection or seedpoint move
if( streamlines.bSeedpointSelected && iSeedpointMoveDir != -1 ){// seedpoint was already selected
MouseMoveToSeedpointMove(event->x()-buttonDownX, event->y()-buttonDownY) ;
buttonDownX = event->x() ;
buttonDownY = event->y() ;
updateGL();
}
else{
SelectObjectAtXY(event->x(), event->y());
switch(ObjectCatagory){
case STREAMLINE:
//printf("ObjectName %d\n",iObjectName) ;
streamlines.bSeedpointSelected = false ;
streamlines.TemporarySelectedStreamline(iObjectName) ;
updateGL();
break ;
case SEEDPOINT:
if(!streamlines.bSeedpointSelected){ // user just moved in to seed point
buttonDownX = event->x() ;
buttonDownY = event->y() ;
streamlines.bSeedpointSelected = true ;
updateGL();
}
break ;
case NO_OBJECT:
streamlines.TempSelectedStreamline = -1 ;
streamlines.bSeedpointSelected = false ;
updateGL();
break ;
default:
printf("Unidentified object.\n") ;
break ;
} //switch(iObjectCatagory){
} // else
} //if(LeftButtonDown == 1 ){
} //else if( CurrIM == SelectMode){
}
// the mouse callback
void GLWidget::mousePressEvent(QMouseEvent *event){
if( CurrIM == ExploreMode ){ // xplore mode mouse interaction
if (event->buttons() ) {
if (Qt::LeftButton){
LeftButtonDown = 1 ;
buttonDownX = event->x() ;
buttonDownY = event->y() ;
}
else if(Qt::RightButton){
RightButtonDown = 1 ;
buttonDownX = event->x() ;
buttonDownY = event->y() ;
}
} //if (state == GLUT_DOWN )
else if( event->buttons() ){
LeftButtonDown = RightButtonDown = 0 ;
volRenderer.SetProjectionResolution(false, false) ;
updateGL() ;
}
} //if( CurrIM == ExploreMode )
else if(CurrIM == SelectMode ){
if (event->buttons() ) {
if( Qt::RightButton){
LeftButtonDown = 1 ;
SelectObjectAtXY(event->x(), event->y());
switch(ObjectCatagory){
case STREAMLINE:
streamlines.TemporarySelectedStreamline(iObjectName);
updateGL() ;
break ;
case SEEDPOINT:
buttonDownX = event->x ();
buttonDownY = event->y() ;
streamlines.bSeedpointSelected = true ;
updateGL() ;
break ;
case NO_OBJECT:
break;
default:
printf("Unidentified object.\n") ;
break ;
}//switch(iObjectCatagory){
}
} //if (state == GLUT_DOWN )
else if( event->buttons() ){
LeftButtonDown = RightButtonDown = 0 ;
//clear if any streamline was temporarily selected
streamlines.TempSelectedStreamline = -1 ;
switch(ObjectCatagory){
case STREAMLINE:
streamlines.UpdateStreamlineStatus(iObjectName) ;
updateGL() ;
break ;
case SEEDPOINT:
if( streamlines.bSeedpointMoved )
streamlines.UpdateSeedPoint() ;
streamlines.bSeedpointMoved = false ;
streamlines.bSeedpointSelected = false ;
ObjectCatagory = NO_OBJECT ;
iSeedpointMoveDir = -1 ;
updateGL() ;
break ;
case NO_OBJECT:
break ;
}//switch(ObjectCatagory){
}//else if( state == GLUT_UP )
else{
LeftButtonDown = RightButtonDown = 0 ;
}
} //else if(CurrIM == SelectMode )
}