Code snippet should be self-explanatory: ``` /** SLOT Activate by a click on the projection menu Warning : When G4OpenGLStoredQtViewer::DrawView() method call, KernelVisitDecision () will be call and will set the fNeedKernelVisit to 1. See G4XXXStoredViewer::CompareForKernelVisit for explanations. It will cause a redraw of the view @param check : 1 orthographic, 2 perspective @see G4OpenGLStoredQtViewer::DrawView @see G4XXXStoredViewer::CompareForKernelVisit */ void G4OpenGLQtViewer::toggleProjection(bool check) { if (check == 1) { fVP.SetOrthogonalProjection (); } else { fVP.SetPerspectiveProjection(); } updateToolbarAndMouseContextMenu(); updateQWidget(); } ``` Used (preprocessor limited to not `QT_VERSION < 0x050600`): ``` fProjectionOrtho = mProjection->addAction("Orthographic", this, [this](){ this->toggleProjection(1); }); fProjectionPerspective = mProjection->addAction("Perspective", this, [this](){ this->toggleProjection(2); }); ```
Ah, I think we have already seen this and fixed it (for the next release). The code now reads fProjectionOrtho = mProjection->addAction("Orthographic", this, [this](){ this->toggleProjection(true); }); fProjectionPerspective = mProjection->addAction("Perspective", this, [this](){ this->toggleProjection(false); }); ... void G4OpenGLQtViewer::toggleProjection(bool check) { if (check) { fVP.SetOrthogonalProjection (); } else { fVP.SetPerspectiveProjection(); } updateToolbarAndMouseContextMenu(); updateQWidget(); } Is this what you meant? From the next release we will not support QT_VERSION < 0x051500.
