[529] | 1 | // |
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| 2 | // ******************************************************************** |
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| 3 | // * License and Disclaimer * |
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| 4 | // * * |
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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| 7 | // * conditions of the Geant4 Software License, included in the file * |
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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| 9 | // * include a list of copyright holders. * |
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| 10 | // * * |
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| 11 | // * Neither the authors of this software system, nor their employing * |
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| 12 | // * institutes,nor the agencies providing financial support for this * |
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| 13 | // * work make any representation or warranty, express or implied, * |
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| 14 | // * regarding this software system or assume any liability for its * |
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| 15 | // * use. Please see the license in the file LICENSE and URL above * |
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| 16 | // * for the full disclaimer and the limitation of liability. * |
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| 17 | // * * |
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| 18 | // * This code implementation is the result of the scientific and * |
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| 19 | // * technical work of the GEANT4 collaboration. * |
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| 20 | // * By using, copying, modifying or distributing the software (or * |
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| 21 | // * any work based on the software) you agree to acknowledge its * |
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| 22 | // * use in resulting scientific publications, and indicate your * |
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| 23 | // * acceptance of all terms of the Geant4 Software license. * |
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| 24 | // ******************************************************************** |
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| 25 | // |
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| 26 | // |
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| 27 | // $Id: G4OpenGLXmPanningCallbacks.cc,v 1.8 2006/06/29 21:19:50 gunter Exp $ |
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[850] | 28 | // GEANT4 tag $Name: HEAD $ |
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[529] | 29 | // |
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| 30 | // |
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| 31 | // Andrew Walkden 16th April 1997 |
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| 32 | // G4OpenGLXmPanningCallbacks : |
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| 33 | // Several callback functions used by |
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| 34 | // elements of the control panel to`pan' |
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| 35 | // the view (i.e. move the viewpoint and |
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| 36 | // camera positions by equal amounts). |
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| 37 | // Zoom callback is also here. |
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| 38 | |
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| 39 | #ifdef G4VIS_BUILD_OPENGLXM_DRIVER |
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| 40 | |
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| 41 | #include "G4OpenGLXmViewer.hh" |
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| 42 | #include "G4Scene.hh" |
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| 43 | |
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| 44 | void G4OpenGLXmViewer::zoom_callback (Widget w, |
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| 45 | XtPointer clientData, |
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| 46 | XtPointer callData) |
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| 47 | { |
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| 48 | XmScaleCallbackStruct *cbs = (XmScaleCallbackStruct*) callData; |
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| 49 | G4OpenGLXmViewer* pView = (G4OpenGLXmViewer*) clientData; |
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| 50 | short dp = -1; |
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| 51 | G4float ten_to_the_dp = 10.; |
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| 52 | |
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| 53 | XtVaGetValues (w, |
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| 54 | XmNdecimalPoints, &dp, |
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| 55 | NULL); |
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| 56 | |
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| 57 | if (dp == 0) { |
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| 58 | ten_to_the_dp = 1.; |
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| 59 | } else if ( dp > 0) { |
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| 60 | for (G4int i = 1; i < (G4int)dp; i++) { |
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| 61 | ten_to_the_dp *= 10.; |
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| 62 | } |
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| 63 | } else { |
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| 64 | G4cout << "dp is " << dp << G4endl; |
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| 65 | return; |
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| 66 | } |
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| 67 | |
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| 68 | |
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| 69 | G4double zoomBy = (G4double)(cbs->value) / ten_to_the_dp; |
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| 70 | if (zoomBy <= 0.01) { |
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| 71 | zoomBy = 0.01; |
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| 72 | } |
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| 73 | |
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| 74 | pView->fVP.SetZoomFactor (zoomBy); |
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| 75 | pView->SetView (); |
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| 76 | pView->ClearView (); |
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| 77 | pView -> DrawView (); |
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| 78 | } |
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| 79 | |
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| 80 | void G4OpenGLXmViewer::dolly_callback (Widget w, |
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| 81 | XtPointer clientData, |
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| 82 | XtPointer callData) |
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| 83 | { |
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| 84 | XmScaleCallbackStruct *cbs = (XmScaleCallbackStruct*) callData; |
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| 85 | G4OpenGLXmViewer* pView = (G4OpenGLXmViewer*) clientData; |
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| 86 | short dp = -1; |
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| 87 | G4float ten_to_the_dp = 10.; |
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| 88 | |
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| 89 | XtVaGetValues (w, |
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| 90 | XmNdecimalPoints, &dp, |
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| 91 | NULL); |
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| 92 | |
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| 93 | if (dp == 0) { |
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| 94 | ten_to_the_dp = 1.; |
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| 95 | } else if ( dp > 0) { |
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| 96 | for (G4int i = 1; i < (G4int)dp; i++) { |
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| 97 | ten_to_the_dp *= 10.; |
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| 98 | } |
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| 99 | } else { |
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| 100 | G4cout << "dp is " << dp << G4endl; |
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| 101 | return; |
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| 102 | } |
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| 103 | |
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| 104 | G4double dolly = (G4double)(cbs->value) / ten_to_the_dp; |
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| 105 | |
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| 106 | pView->fVP.SetDolly (dolly); |
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| 107 | pView->SetView (); |
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| 108 | pView->ClearView (); |
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| 109 | pView->DrawView (); |
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| 110 | |
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| 111 | } |
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| 112 | |
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| 113 | void G4OpenGLXmViewer::pan_left_right_callback (Widget w, |
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| 114 | XtPointer clientData, |
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| 115 | XtPointer callData) |
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| 116 | { |
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| 117 | XmArrowButtonCallbackStruct *cbs = (XmArrowButtonCallbackStruct*) callData; |
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| 118 | G4OpenGLXmViewer* pView = (G4OpenGLXmViewer*) clientData; |
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| 119 | |
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| 120 | pView->pan_right = get_boolean_userData (w); |
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| 121 | |
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| 122 | if (cbs->reason == XmCR_ARM) { |
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| 123 | left_right_pan_callback (pView,NULL); |
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| 124 | } else if (cbs->reason == XmCR_DISARM) { |
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| 125 | XtRemoveTimeOut (pView->pan_timer); |
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| 126 | } |
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| 127 | } |
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| 128 | |
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| 129 | void G4OpenGLXmViewer::left_right_pan_callback (XtPointer clientData, |
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| 130 | XtIntervalId* timer_id) |
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| 131 | |
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| 132 | { |
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| 133 | G4OpenGLXmViewer* pView = (G4OpenGLXmViewer*) clientData; |
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| 134 | G4double delta; |
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| 135 | |
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| 136 | if (pView->pan_right) { |
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| 137 | delta = (G4double)pView->pan_sens; |
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| 138 | } else { |
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| 139 | delta = -((G4double)pView->pan_sens); |
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| 140 | } |
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| 141 | |
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| 142 | G4Point3D stp |
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| 143 | = pView -> GetSceneHandler()->GetScene()->GetStandardTargetPoint(); |
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| 144 | |
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| 145 | G4Point3D tp = stp + pView -> fVP.GetCurrentTargetPoint (); |
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| 146 | |
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| 147 | const G4Vector3D& upVector = pView->fVP.GetUpVector (); |
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| 148 | const G4Vector3D& vpVector = pView->fVP.GetViewpointDirection (); |
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| 149 | |
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| 150 | G4Vector3D unitRight = (upVector.cross (vpVector)).unit(); |
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| 151 | G4Vector3D unitUp = (vpVector.cross (unitRight)).unit(); |
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| 152 | |
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| 153 | tp += delta * unitRight; |
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| 154 | pView->fVP.SetCurrentTargetPoint (tp - stp); |
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| 155 | |
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| 156 | pView->SetView (); |
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| 157 | pView->ClearView (); |
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| 158 | pView->DrawView (); |
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| 159 | |
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| 160 | pView->pan_timer = XtAppAddTimeOut |
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| 161 | (pView->app, |
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| 162 | timer_id == NULL ? 500 : 1, |
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| 163 | left_right_pan_callback, |
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| 164 | pView); |
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| 165 | } |
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| 166 | |
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| 167 | void G4OpenGLXmViewer::pan_up_down_callback (Widget w, |
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| 168 | XtPointer clientData, |
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| 169 | XtPointer callData) |
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| 170 | { |
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| 171 | XmArrowButtonCallbackStruct *cbs = (XmArrowButtonCallbackStruct*) callData; |
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| 172 | G4OpenGLXmViewer* pView = (G4OpenGLXmViewer*) clientData; |
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| 173 | |
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| 174 | pView->pan_up = get_boolean_userData (w); |
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| 175 | |
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| 176 | if (cbs->reason == XmCR_ARM) { |
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| 177 | up_down_pan_callback (pView,NULL); |
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| 178 | } else if (cbs->reason == XmCR_DISARM) { |
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| 179 | XtRemoveTimeOut (pView->pan_timer); |
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| 180 | } |
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| 181 | } |
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| 182 | |
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| 183 | void G4OpenGLXmViewer::up_down_pan_callback (XtPointer clientData, |
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| 184 | XtIntervalId* timer_id) |
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| 185 | { |
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| 186 | G4OpenGLXmViewer* pView = (G4OpenGLXmViewer*) clientData; |
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| 187 | G4double delta; |
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| 188 | |
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| 189 | if (pView->pan_up) { |
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| 190 | delta = (G4double)pView->pan_sens; |
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| 191 | } else { |
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| 192 | delta = -((G4double)pView->pan_sens); |
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| 193 | } |
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| 194 | |
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| 195 | G4Point3D stp |
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| 196 | = pView -> GetSceneHandler()->GetScene()->GetStandardTargetPoint(); |
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| 197 | G4Point3D tp = stp + pView -> fVP.GetCurrentTargetPoint (); |
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| 198 | const G4Vector3D& upVector = pView->fVP.GetUpVector (); |
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| 199 | const G4Vector3D& vpVector = pView->fVP.GetViewpointDirection (); |
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| 200 | |
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| 201 | G4Vector3D unitRight = (upVector.cross (vpVector)).unit(); |
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| 202 | G4Vector3D unitUp = (vpVector.cross (unitRight)).unit(); |
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| 203 | tp += delta * unitUp; |
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| 204 | pView->fVP.SetCurrentTargetPoint (tp - stp); |
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| 205 | |
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| 206 | pView->SetView (); |
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| 207 | pView->ClearView (); |
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| 208 | pView->DrawView (); |
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| 209 | |
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| 210 | pView->pan_timer = XtAppAddTimeOut |
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| 211 | (pView->app, |
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| 212 | timer_id == NULL ? 500 : 1, |
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| 213 | up_down_pan_callback, |
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| 214 | pView); |
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| 215 | } |
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| 216 | |
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| 217 | void G4OpenGLXmViewer::set_pan_sens_callback (Widget w, |
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| 218 | XtPointer clientData, |
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| 219 | XtPointer callData) |
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| 220 | { |
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| 221 | XmScaleCallbackStruct *cbs = (XmScaleCallbackStruct*) callData; |
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| 222 | G4OpenGLXmViewer* pView = (G4OpenGLXmViewer*) clientData; |
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| 223 | short dp = -1; |
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| 224 | G4float ten_to_the_dp = 10.; |
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| 225 | |
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| 226 | XtVaGetValues (w, |
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| 227 | XmNdecimalPoints, &dp, |
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| 228 | NULL); |
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| 229 | |
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| 230 | if (dp == 0) { |
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| 231 | ten_to_the_dp = 1.; |
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| 232 | } else if ( dp > 0) { |
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| 233 | for (G4int i = 1; i < (G4int)dp; i++) { |
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| 234 | ten_to_the_dp *= 10.; |
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| 235 | } |
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| 236 | } else { |
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| 237 | G4cout << "dp is " << dp << G4endl; |
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| 238 | return; |
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| 239 | } |
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| 240 | |
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| 241 | pView->pan_sens = (G4double)((cbs->value) / ten_to_the_dp); |
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| 242 | } |
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| 243 | |
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| 244 | #endif |
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| 245 | |
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| 246 | |
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