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25 // 25 //
26 // 26 //
>> 27 // $Id$
27 // 28 //
28 // 29 //
29 // Andrew Walkden 16th April 1997 30 // Andrew Walkden 16th April 1997
30 // G4OpenGLXmPanningCallbacks : 31 // G4OpenGLXmPanningCallbacks :
31 // Several callback func 32 // Several callback functions used by
32 // elements of the contr 33 // elements of the control panel to`pan'
33 // the view (i.e. move t 34 // the view (i.e. move the viewpoint and
34 // camera positions by e 35 // camera positions by equal amounts).
35 // Zoom callback is also 36 // Zoom callback is also here.
36 37
>> 38 #ifdef G4VIS_BUILD_OPENGLXM_DRIVER
>> 39
37 #include "G4OpenGLXmViewer.hh" 40 #include "G4OpenGLXmViewer.hh"
38 #include "G4VSceneHandler.hh" 41 #include "G4VSceneHandler.hh"
39 #include <Xm/ToggleB.h> 42 #include <Xm/ToggleB.h>
40 43
41 #include "G4Scene.hh" 44 #include "G4Scene.hh"
42 45
43 void G4OpenGLXmViewer::zoom_callback (Widget w 46 void G4OpenGLXmViewer::zoom_callback (Widget w,
44 XtPointer clientData, 47 XtPointer clientData,
45 XtPointer callData) 48 XtPointer callData)
46 { 49 {
47 XmScaleCallbackStruct *cbs = (XmScaleCallbac 50 XmScaleCallbackStruct *cbs = (XmScaleCallbackStruct*) callData;
48 G4OpenGLXmViewer* pView = (G4OpenGLXmViewer* 51 G4OpenGLXmViewer* pView = (G4OpenGLXmViewer*) clientData;
49 short dp = -1; 52 short dp = -1;
50 G4float ten_to_the_dp = 10.; 53 G4float ten_to_the_dp = 10.;
51 54
52 XtVaGetValues (w, 55 XtVaGetValues (w,
53 XmNdecimalPoints, &dp, 56 XmNdecimalPoints, &dp,
54 NULL); 57 NULL);
55 58
56 if (dp == 0) { 59 if (dp == 0) {
57 ten_to_the_dp = 1.; 60 ten_to_the_dp = 1.;
58 } else if ( dp > 0) { 61 } else if ( dp > 0) {
59 for (G4int i = 1; i < (G4int)dp; i++) { 62 for (G4int i = 1; i < (G4int)dp; i++) {
60 ten_to_the_dp *= 10.; 63 ten_to_the_dp *= 10.;
61 } 64 }
62 } else { 65 } else {
63 G4cout << "dp is " << dp << G4endl; 66 G4cout << "dp is " << dp << G4endl;
64 return; 67 return;
65 } 68 }
66 69
67 70
68 G4double zoomBy = (G4double)(cbs->value) / t 71 G4double zoomBy = (G4double)(cbs->value) / ten_to_the_dp;
69 if (zoomBy <= 0.01) { 72 if (zoomBy <= 0.01) {
70 zoomBy = 0.01; 73 zoomBy = 0.01;
71 } 74 }
72 75
73 pView->fVP.SetZoomFactor (zoomBy); 76 pView->fVP.SetZoomFactor (zoomBy);
74 pView->SetView (); 77 pView->SetView ();
75 pView->ClearView (); 78 pView->ClearView ();
76 pView -> DrawView (); 79 pView -> DrawView ();
77 } 80 }
78 81
79 void G4OpenGLXmViewer::dolly_callback (Widget 82 void G4OpenGLXmViewer::dolly_callback (Widget w,
80 XtPointer clientData, 83 XtPointer clientData,
81 XtPointer callData) 84 XtPointer callData)
82 { 85 {
83 XmScaleCallbackStruct *cbs = (XmScaleCallbac 86 XmScaleCallbackStruct *cbs = (XmScaleCallbackStruct*) callData;
84 G4OpenGLXmViewer* pView = (G4OpenGLXmViewer* 87 G4OpenGLXmViewer* pView = (G4OpenGLXmViewer*) clientData;
85 short dp = -1; 88 short dp = -1;
86 G4float ten_to_the_dp = 10.; 89 G4float ten_to_the_dp = 10.;
87 90
88 XtVaGetValues (w, 91 XtVaGetValues (w,
89 XmNdecimalPoints, &dp, 92 XmNdecimalPoints, &dp,
90 NULL); 93 NULL);
91 94
92 if (dp == 0) { 95 if (dp == 0) {
93 ten_to_the_dp = 1.; 96 ten_to_the_dp = 1.;
94 } else if ( dp > 0) { 97 } else if ( dp > 0) {
95 for (G4int i = 1; i < (G4int)dp; i++) { 98 for (G4int i = 1; i < (G4int)dp; i++) {
96 ten_to_the_dp *= 10.; 99 ten_to_the_dp *= 10.;
97 } 100 }
98 } else { 101 } else {
99 G4cout << "dp is " << dp << G4endl; 102 G4cout << "dp is " << dp << G4endl;
100 return; 103 return;
101 } 104 }
102 105
103 G4double dolly = (G4double)(cbs->value) / te 106 G4double dolly = (G4double)(cbs->value) / ten_to_the_dp;
104 107
105 pView->fVP.SetDolly (dolly); 108 pView->fVP.SetDolly (dolly);
106 pView->SetView (); 109 pView->SetView ();
107 pView->ClearView (); 110 pView->ClearView ();
108 pView->DrawView (); 111 pView->DrawView ();
109 112
110 } 113 }
111 114
112 void G4OpenGLXmViewer::pan_left_right_callback 115 void G4OpenGLXmViewer::pan_left_right_callback (Widget w,
113 XtPointer clientData, 116 XtPointer clientData,
114 XtPointer callData) 117 XtPointer callData)
115 { 118 {
116 XmArrowButtonCallbackStruct *cbs = (XmArrowB 119 XmArrowButtonCallbackStruct *cbs = (XmArrowButtonCallbackStruct*) callData;
117 G4OpenGLXmViewer* pView = (G4OpenGLXmViewer* 120 G4OpenGLXmViewer* pView = (G4OpenGLXmViewer*) clientData;
118 121
119 pView->pan_right = get_boolean_userData (w); 122 pView->pan_right = get_boolean_userData (w);
120 123
121 if (cbs->reason == XmCR_ARM) { 124 if (cbs->reason == XmCR_ARM) {
122 left_right_pan_callback (pView,NULL); 125 left_right_pan_callback (pView,NULL);
123 } else if (cbs->reason == XmCR_DISARM) { 126 } else if (cbs->reason == XmCR_DISARM) {
124 XtRemoveTimeOut (pView->pan_timer); 127 XtRemoveTimeOut (pView->pan_timer);
125 } 128 }
126 } 129 }
127 130
128 void G4OpenGLXmViewer::left_right_pan_callback 131 void G4OpenGLXmViewer::left_right_pan_callback (XtPointer clientData,
129 XtIntervalId* timer_id) 132 XtIntervalId* timer_id)
130 133
131 { 134 {
132 G4OpenGLXmViewer* pView = (G4OpenGLXmViewer* 135 G4OpenGLXmViewer* pView = (G4OpenGLXmViewer*) clientData;
133 G4double delta; 136 G4double delta;
134 137
135 if (pView->pan_right) { 138 if (pView->pan_right) {
136 delta = pView->fPan_sens; 139 delta = pView->fPan_sens;
137 } else { 140 } else {
138 delta = -pView->fPan_sens; 141 delta = -pView->fPan_sens;
139 } 142 }
140 143
141 G4Point3D stp 144 G4Point3D stp
142 = pView -> GetSceneHandler()->GetScene()-> 145 = pView -> GetSceneHandler()->GetScene()->GetStandardTargetPoint();
143 146
144 G4Point3D tp = stp + pView -> fVP.GetCurrent 147 G4Point3D tp = stp + pView -> fVP.GetCurrentTargetPoint ();
145 148
146 const G4Vector3D& upVector = pView->fVP.GetU 149 const G4Vector3D& upVector = pView->fVP.GetUpVector ();
147 const G4Vector3D& vpVector = pView->fVP.GetV 150 const G4Vector3D& vpVector = pView->fVP.GetViewpointDirection ();
148 151
149 G4Vector3D unitRight = (upVector.cross (vpVe 152 G4Vector3D unitRight = (upVector.cross (vpVector)).unit();
150 G4Vector3D unitUp = (vpVector.cross (unit 153 G4Vector3D unitUp = (vpVector.cross (unitRight)).unit();
151 154
152 tp += delta * unitRight; 155 tp += delta * unitRight;
153 pView->fVP.SetCurrentTargetPoint (tp - stp); 156 pView->fVP.SetCurrentTargetPoint (tp - stp);
154 157
155 pView->SetView (); 158 pView->SetView ();
156 pView->ClearView (); 159 pView->ClearView ();
157 pView->DrawView (); 160 pView->DrawView ();
158 161
159 pView->pan_timer = XtAppAddTimeOut 162 pView->pan_timer = XtAppAddTimeOut
160 (pView->app, 163 (pView->app,
161 timer_id == NULL ? 500 : 1, 164 timer_id == NULL ? 500 : 1,
162 left_right_pan_callback, 165 left_right_pan_callback,
163 pView); 166 pView);
164 } 167 }
165 168
166 void G4OpenGLXmViewer::pan_up_down_callback (W 169 void G4OpenGLXmViewer::pan_up_down_callback (Widget w,
167 XtPointer clientData, 170 XtPointer clientData,
168 XtPointer callData) 171 XtPointer callData)
169 { 172 {
170 XmArrowButtonCallbackStruct *cbs = (XmArrowB 173 XmArrowButtonCallbackStruct *cbs = (XmArrowButtonCallbackStruct*) callData;
171 G4OpenGLXmViewer* pView = (G4OpenGLXmViewer* 174 G4OpenGLXmViewer* pView = (G4OpenGLXmViewer*) clientData;
172 175
173 pView->pan_up = get_boolean_userData (w); 176 pView->pan_up = get_boolean_userData (w);
174 177
175 if (cbs->reason == XmCR_ARM) { 178 if (cbs->reason == XmCR_ARM) {
176 up_down_pan_callback (pView,NULL); 179 up_down_pan_callback (pView,NULL);
177 } else if (cbs->reason == XmCR_DISARM) { 180 } else if (cbs->reason == XmCR_DISARM) {
178 XtRemoveTimeOut (pView->pan_timer); 181 XtRemoveTimeOut (pView->pan_timer);
179 } 182 }
180 } 183 }
181 184
182 void G4OpenGLXmViewer::up_down_pan_callback (X 185 void G4OpenGLXmViewer::up_down_pan_callback (XtPointer clientData,
183 XtIntervalId* timer_id) 186 XtIntervalId* timer_id)
184 { 187 {
185 G4OpenGLXmViewer* pView = (G4OpenGLXmViewer* 188 G4OpenGLXmViewer* pView = (G4OpenGLXmViewer*) clientData;
186 G4double delta; 189 G4double delta;
187 190
188 if (pView->pan_up) { 191 if (pView->pan_up) {
189 delta = pView->fPan_sens; 192 delta = pView->fPan_sens;
190 } else { 193 } else {
191 delta = -(pView->fPan_sens); 194 delta = -(pView->fPan_sens);
192 } 195 }
193 196
194 G4Point3D stp 197 G4Point3D stp
195 = pView -> GetSceneHandler()->GetScene()-> 198 = pView -> GetSceneHandler()->GetScene()->GetStandardTargetPoint();
196 G4Point3D tp = stp + pView -> fVP.GetCurrent 199 G4Point3D tp = stp + pView -> fVP.GetCurrentTargetPoint ();
197 const G4Vector3D& upVector = pView->fVP.GetU 200 const G4Vector3D& upVector = pView->fVP.GetUpVector ();
198 const G4Vector3D& vpVector = pView->fVP.GetV 201 const G4Vector3D& vpVector = pView->fVP.GetViewpointDirection ();
199 202
200 G4Vector3D unitRight = (upVector.cross (vpVe 203 G4Vector3D unitRight = (upVector.cross (vpVector)).unit();
201 G4Vector3D unitUp = (vpVector.cross (unit 204 G4Vector3D unitUp = (vpVector.cross (unitRight)).unit();
202 tp += delta * unitUp; 205 tp += delta * unitUp;
203 pView->fVP.SetCurrentTargetPoint (tp - stp); 206 pView->fVP.SetCurrentTargetPoint (tp - stp);
204 207
205 pView->SetView (); 208 pView->SetView ();
206 pView->ClearView (); 209 pView->ClearView ();
207 pView->DrawView (); 210 pView->DrawView ();
208 211
209 pView->pan_timer = XtAppAddTimeOut 212 pView->pan_timer = XtAppAddTimeOut
210 (pView->app, 213 (pView->app,
211 timer_id == NULL ? 500 : 1, 214 timer_id == NULL ? 500 : 1,
212 up_down_pan_callback, 215 up_down_pan_callback,
213 pView); 216 pView);
214 } 217 }
215 218
216 void G4OpenGLXmViewer::set_pan_sens_callback ( 219 void G4OpenGLXmViewer::set_pan_sens_callback (Widget w,
217 XtPointer clientData, 220 XtPointer clientData,
218 XtPointer callData) 221 XtPointer callData)
219 { 222 {
220 XmScaleCallbackStruct *cbs = (XmScaleCallbac 223 XmScaleCallbackStruct *cbs = (XmScaleCallbackStruct*) callData;
221 G4OpenGLXmViewer* pView = (G4OpenGLXmViewer* 224 G4OpenGLXmViewer* pView = (G4OpenGLXmViewer*) clientData;
222 short dp = -1; 225 short dp = -1;
223 G4float ten_to_the_dp = 10.; 226 G4float ten_to_the_dp = 10.;
224 227
225 XtVaGetValues (w, 228 XtVaGetValues (w,
226 XmNdecimalPoints, &dp, 229 XmNdecimalPoints, &dp,
227 NULL); 230 NULL);
228 231
229 if (dp == 0) { 232 if (dp == 0) {
230 ten_to_the_dp = 1.; 233 ten_to_the_dp = 1.;
231 } else if ( dp > 0) { 234 } else if ( dp > 0) {
232 for (G4int i = 1; i < (G4int)dp; i++) { 235 for (G4int i = 1; i < (G4int)dp; i++) {
233 ten_to_the_dp *= 10.; 236 ten_to_the_dp *= 10.;
234 } 237 }
235 } else { 238 } else {
236 G4cout << "dp is " << dp << G4endl; 239 G4cout << "dp is " << dp << G4endl;
237 return; 240 return;
238 } 241 }
239 242
240 pView->fPan_sens = (G4double)((cbs->value) / 243 pView->fPan_sens = (G4double)((cbs->value) / ten_to_the_dp);
241 } 244 }
>> 245
>> 246 #endif
>> 247
>> 248
242 249