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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28 | // GEANT4 tag $Name: $ |
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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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