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>> 27 // $Id: G4OpenGLXmPanningCallbacks.cc,v 1.12 2009-11-03 10:21:49 allison Exp $
>> 28 // GEANT4 tag $Name: not supported by cvs2svn $
27 // 29 //
28 // 30 //
29 // Andrew Walkden 16th April 1997 31 // Andrew Walkden 16th April 1997
30 // G4OpenGLXmPanningCallbacks : 32 // G4OpenGLXmPanningCallbacks :
31 // Several callback func 33 // Several callback functions used by
32 // elements of the contr 34 // elements of the control panel to`pan'
33 // the view (i.e. move t 35 // the view (i.e. move the viewpoint and
34 // camera positions by e 36 // camera positions by equal amounts).
35 // Zoom callback is also 37 // Zoom callback is also here.
36 38
>> 39 #ifdef G4VIS_BUILD_OPENGLXM_DRIVER
>> 40
37 #include "G4OpenGLXmViewer.hh" 41 #include "G4OpenGLXmViewer.hh"
38 #include "G4VSceneHandler.hh" 42 #include "G4VSceneHandler.hh"
39 #include <Xm/ToggleB.h> 43 #include <Xm/ToggleB.h>
40 44
41 #include "G4Scene.hh" 45 #include "G4Scene.hh"
42 46
43 void G4OpenGLXmViewer::zoom_callback (Widget w 47 void G4OpenGLXmViewer::zoom_callback (Widget w,
44 XtPointer clientData, 48 XtPointer clientData,
45 XtPointer callData) 49 XtPointer callData)
46 { 50 {
47 XmScaleCallbackStruct *cbs = (XmScaleCallbac 51 XmScaleCallbackStruct *cbs = (XmScaleCallbackStruct*) callData;
48 G4OpenGLXmViewer* pView = (G4OpenGLXmViewer* 52 G4OpenGLXmViewer* pView = (G4OpenGLXmViewer*) clientData;
49 short dp = -1; 53 short dp = -1;
50 G4float ten_to_the_dp = 10.; 54 G4float ten_to_the_dp = 10.;
51 55
52 XtVaGetValues (w, 56 XtVaGetValues (w,
53 XmNdecimalPoints, &dp, 57 XmNdecimalPoints, &dp,
54 NULL); 58 NULL);
55 59
56 if (dp == 0) { 60 if (dp == 0) {
57 ten_to_the_dp = 1.; 61 ten_to_the_dp = 1.;
58 } else if ( dp > 0) { 62 } else if ( dp > 0) {
59 for (G4int i = 1; i < (G4int)dp; i++) { 63 for (G4int i = 1; i < (G4int)dp; i++) {
60 ten_to_the_dp *= 10.; 64 ten_to_the_dp *= 10.;
61 } 65 }
62 } else { 66 } else {
63 G4cout << "dp is " << dp << G4endl; 67 G4cout << "dp is " << dp << G4endl;
64 return; 68 return;
65 } 69 }
66 70
67 71
68 G4double zoomBy = (G4double)(cbs->value) / t 72 G4double zoomBy = (G4double)(cbs->value) / ten_to_the_dp;
69 if (zoomBy <= 0.01) { 73 if (zoomBy <= 0.01) {
70 zoomBy = 0.01; 74 zoomBy = 0.01;
71 } 75 }
72 76
73 pView->fVP.SetZoomFactor (zoomBy); 77 pView->fVP.SetZoomFactor (zoomBy);
74 pView->SetView (); 78 pView->SetView ();
75 pView->ClearView (); 79 pView->ClearView ();
76 pView -> DrawView (); 80 pView -> DrawView ();
77 } 81 }
78 82
79 void G4OpenGLXmViewer::dolly_callback (Widget 83 void G4OpenGLXmViewer::dolly_callback (Widget w,
80 XtPointer clientData, 84 XtPointer clientData,
81 XtPointer callData) 85 XtPointer callData)
82 { 86 {
83 XmScaleCallbackStruct *cbs = (XmScaleCallbac 87 XmScaleCallbackStruct *cbs = (XmScaleCallbackStruct*) callData;
84 G4OpenGLXmViewer* pView = (G4OpenGLXmViewer* 88 G4OpenGLXmViewer* pView = (G4OpenGLXmViewer*) clientData;
85 short dp = -1; 89 short dp = -1;
86 G4float ten_to_the_dp = 10.; 90 G4float ten_to_the_dp = 10.;
87 91
88 XtVaGetValues (w, 92 XtVaGetValues (w,
89 XmNdecimalPoints, &dp, 93 XmNdecimalPoints, &dp,
90 NULL); 94 NULL);
91 95
92 if (dp == 0) { 96 if (dp == 0) {
93 ten_to_the_dp = 1.; 97 ten_to_the_dp = 1.;
94 } else if ( dp > 0) { 98 } else if ( dp > 0) {
95 for (G4int i = 1; i < (G4int)dp; i++) { 99 for (G4int i = 1; i < (G4int)dp; i++) {
96 ten_to_the_dp *= 10.; 100 ten_to_the_dp *= 10.;
97 } 101 }
98 } else { 102 } else {
99 G4cout << "dp is " << dp << G4endl; 103 G4cout << "dp is " << dp << G4endl;
100 return; 104 return;
101 } 105 }
102 106
103 G4double dolly = (G4double)(cbs->value) / te 107 G4double dolly = (G4double)(cbs->value) / ten_to_the_dp;
104 108
105 pView->fVP.SetDolly (dolly); 109 pView->fVP.SetDolly (dolly);
106 pView->SetView (); 110 pView->SetView ();
107 pView->ClearView (); 111 pView->ClearView ();
108 pView->DrawView (); 112 pView->DrawView ();
109 113
110 } 114 }
111 115
112 void G4OpenGLXmViewer::pan_left_right_callback 116 void G4OpenGLXmViewer::pan_left_right_callback (Widget w,
113 XtPointer clientData, 117 XtPointer clientData,
114 XtPointer callData) 118 XtPointer callData)
115 { 119 {
116 XmArrowButtonCallbackStruct *cbs = (XmArrowB 120 XmArrowButtonCallbackStruct *cbs = (XmArrowButtonCallbackStruct*) callData;
117 G4OpenGLXmViewer* pView = (G4OpenGLXmViewer* 121 G4OpenGLXmViewer* pView = (G4OpenGLXmViewer*) clientData;
118 122
119 pView->pan_right = get_boolean_userData (w); 123 pView->pan_right = get_boolean_userData (w);
120 124
121 if (cbs->reason == XmCR_ARM) { 125 if (cbs->reason == XmCR_ARM) {
122 left_right_pan_callback (pView,NULL); 126 left_right_pan_callback (pView,NULL);
123 } else if (cbs->reason == XmCR_DISARM) { 127 } else if (cbs->reason == XmCR_DISARM) {
124 XtRemoveTimeOut (pView->pan_timer); 128 XtRemoveTimeOut (pView->pan_timer);
125 } 129 }
126 } 130 }
127 131
128 void G4OpenGLXmViewer::left_right_pan_callback 132 void G4OpenGLXmViewer::left_right_pan_callback (XtPointer clientData,
129 XtIntervalId* timer_id) 133 XtIntervalId* timer_id)
130 134
131 { 135 {
132 G4OpenGLXmViewer* pView = (G4OpenGLXmViewer* 136 G4OpenGLXmViewer* pView = (G4OpenGLXmViewer*) clientData;
133 G4double delta; 137 G4double delta;
134 138
135 if (pView->pan_right) { 139 if (pView->pan_right) {
136 delta = pView->fPan_sens; 140 delta = pView->fPan_sens;
137 } else { 141 } else {
138 delta = -pView->fPan_sens; 142 delta = -pView->fPan_sens;
139 } 143 }
140 144
141 G4Point3D stp 145 G4Point3D stp
142 = pView -> GetSceneHandler()->GetScene()-> 146 = pView -> GetSceneHandler()->GetScene()->GetStandardTargetPoint();
143 147
144 G4Point3D tp = stp + pView -> fVP.GetCurrent 148 G4Point3D tp = stp + pView -> fVP.GetCurrentTargetPoint ();
145 149
146 const G4Vector3D& upVector = pView->fVP.GetU 150 const G4Vector3D& upVector = pView->fVP.GetUpVector ();
147 const G4Vector3D& vpVector = pView->fVP.GetV 151 const G4Vector3D& vpVector = pView->fVP.GetViewpointDirection ();
148 152
149 G4Vector3D unitRight = (upVector.cross (vpVe 153 G4Vector3D unitRight = (upVector.cross (vpVector)).unit();
150 G4Vector3D unitUp = (vpVector.cross (unit 154 G4Vector3D unitUp = (vpVector.cross (unitRight)).unit();
151 155
152 tp += delta * unitRight; 156 tp += delta * unitRight;
153 pView->fVP.SetCurrentTargetPoint (tp - stp); 157 pView->fVP.SetCurrentTargetPoint (tp - stp);
154 158
155 pView->SetView (); 159 pView->SetView ();
156 pView->ClearView (); 160 pView->ClearView ();
157 pView->DrawView (); 161 pView->DrawView ();
158 162
159 pView->pan_timer = XtAppAddTimeOut 163 pView->pan_timer = XtAppAddTimeOut
160 (pView->app, 164 (pView->app,
161 timer_id == NULL ? 500 : 1, 165 timer_id == NULL ? 500 : 1,
162 left_right_pan_callback, 166 left_right_pan_callback,
163 pView); 167 pView);
164 } 168 }
165 169
166 void G4OpenGLXmViewer::pan_up_down_callback (W 170 void G4OpenGLXmViewer::pan_up_down_callback (Widget w,
167 XtPointer clientData, 171 XtPointer clientData,
168 XtPointer callData) 172 XtPointer callData)
169 { 173 {
170 XmArrowButtonCallbackStruct *cbs = (XmArrowB 174 XmArrowButtonCallbackStruct *cbs = (XmArrowButtonCallbackStruct*) callData;
171 G4OpenGLXmViewer* pView = (G4OpenGLXmViewer* 175 G4OpenGLXmViewer* pView = (G4OpenGLXmViewer*) clientData;
172 176
173 pView->pan_up = get_boolean_userData (w); 177 pView->pan_up = get_boolean_userData (w);
174 178
175 if (cbs->reason == XmCR_ARM) { 179 if (cbs->reason == XmCR_ARM) {
176 up_down_pan_callback (pView,NULL); 180 up_down_pan_callback (pView,NULL);
177 } else if (cbs->reason == XmCR_DISARM) { 181 } else if (cbs->reason == XmCR_DISARM) {
178 XtRemoveTimeOut (pView->pan_timer); 182 XtRemoveTimeOut (pView->pan_timer);
179 } 183 }
180 } 184 }
181 185
182 void G4OpenGLXmViewer::up_down_pan_callback (X 186 void G4OpenGLXmViewer::up_down_pan_callback (XtPointer clientData,
183 XtIntervalId* timer_id) 187 XtIntervalId* timer_id)
184 { 188 {
185 G4OpenGLXmViewer* pView = (G4OpenGLXmViewer* 189 G4OpenGLXmViewer* pView = (G4OpenGLXmViewer*) clientData;
186 G4double delta; 190 G4double delta;
187 191
188 if (pView->pan_up) { 192 if (pView->pan_up) {
189 delta = pView->fPan_sens; 193 delta = pView->fPan_sens;
190 } else { 194 } else {
191 delta = -(pView->fPan_sens); 195 delta = -(pView->fPan_sens);
192 } 196 }
193 197
194 G4Point3D stp 198 G4Point3D stp
195 = pView -> GetSceneHandler()->GetScene()-> 199 = pView -> GetSceneHandler()->GetScene()->GetStandardTargetPoint();
196 G4Point3D tp = stp + pView -> fVP.GetCurrent 200 G4Point3D tp = stp + pView -> fVP.GetCurrentTargetPoint ();
197 const G4Vector3D& upVector = pView->fVP.GetU 201 const G4Vector3D& upVector = pView->fVP.GetUpVector ();
198 const G4Vector3D& vpVector = pView->fVP.GetV 202 const G4Vector3D& vpVector = pView->fVP.GetViewpointDirection ();
199 203
200 G4Vector3D unitRight = (upVector.cross (vpVe 204 G4Vector3D unitRight = (upVector.cross (vpVector)).unit();
201 G4Vector3D unitUp = (vpVector.cross (unit 205 G4Vector3D unitUp = (vpVector.cross (unitRight)).unit();
202 tp += delta * unitUp; 206 tp += delta * unitUp;
203 pView->fVP.SetCurrentTargetPoint (tp - stp); 207 pView->fVP.SetCurrentTargetPoint (tp - stp);
204 208
205 pView->SetView (); 209 pView->SetView ();
206 pView->ClearView (); 210 pView->ClearView ();
207 pView->DrawView (); 211 pView->DrawView ();
208 212
209 pView->pan_timer = XtAppAddTimeOut 213 pView->pan_timer = XtAppAddTimeOut
210 (pView->app, 214 (pView->app,
211 timer_id == NULL ? 500 : 1, 215 timer_id == NULL ? 500 : 1,
212 up_down_pan_callback, 216 up_down_pan_callback,
213 pView); 217 pView);
214 } 218 }
215 219
216 void G4OpenGLXmViewer::set_pan_sens_callback ( 220 void G4OpenGLXmViewer::set_pan_sens_callback (Widget w,
217 XtPointer clientData, 221 XtPointer clientData,
218 XtPointer callData) 222 XtPointer callData)
219 { 223 {
220 XmScaleCallbackStruct *cbs = (XmScaleCallbac 224 XmScaleCallbackStruct *cbs = (XmScaleCallbackStruct*) callData;
221 G4OpenGLXmViewer* pView = (G4OpenGLXmViewer* 225 G4OpenGLXmViewer* pView = (G4OpenGLXmViewer*) clientData;
222 short dp = -1; 226 short dp = -1;
223 G4float ten_to_the_dp = 10.; 227 G4float ten_to_the_dp = 10.;
224 228
225 XtVaGetValues (w, 229 XtVaGetValues (w,
226 XmNdecimalPoints, &dp, 230 XmNdecimalPoints, &dp,
227 NULL); 231 NULL);
228 232
229 if (dp == 0) { 233 if (dp == 0) {
230 ten_to_the_dp = 1.; 234 ten_to_the_dp = 1.;
231 } else if ( dp > 0) { 235 } else if ( dp > 0) {
232 for (G4int i = 1; i < (G4int)dp; i++) { 236 for (G4int i = 1; i < (G4int)dp; i++) {
233 ten_to_the_dp *= 10.; 237 ten_to_the_dp *= 10.;
234 } 238 }
235 } else { 239 } else {
236 G4cout << "dp is " << dp << G4endl; 240 G4cout << "dp is " << dp << G4endl;
237 return; 241 return;
238 } 242 }
239 243
240 pView->fPan_sens = (G4double)((cbs->value) / 244 pView->fPan_sens = (G4double)((cbs->value) / ten_to_the_dp);
241 } 245 }
>> 246
>> 247 #endif
>> 248
>> 249
242 250