| Geant4 Cross Reference |
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25 //
26 //
27 //
28 //
29 // Andrew Walkden 16th April 1997
30 // G4OpenGLXmStyleCallbacks :
31 // Several callback functions used by
32 // elements of the control panel to
33 // determine how to visualize the view.
34
35 #include "G4OpenGLXmViewer.hh"
36 #include "G4SystemOfUnits.hh"
37
38 void G4OpenGLXmViewer::drawing_style_callback (Widget w,
39 XtPointer clientData,
40 XtPointer)
41 {
42 G4long choice = (G4long)clientData;
43 G4OpenGLXmViewer* pView;
44 XtVaGetValues (XtParent(w),
45 XmNuserData, &pView,
46 NULL);
47 G4ViewParameters::DrawingStyle style;
48
49 switch (choice) {
50
51 case 0:
52 style = G4ViewParameters::wireframe;
53 break;
54
55 case 1:
56 style = G4ViewParameters::hlr;
57 break;
58
59 case 2:
60 style = G4ViewParameters::hsr;
61 break;
62
63 case 3:
64 style = G4ViewParameters::hlhsr;
65 break;
66
67 default:
68 style = G4ViewParameters::wireframe;
69 G4Exception
70 ("G4OpenGLXmViewer::drawing_style_callback",
71 "opengl2006", FatalException,
72 "Unrecognised case in drawing_style_callback.");
73 }
74
75 pView->fVP.SetDrawingStyle (style);
76
77 pView->SetView ();
78 pView->ClearView ();
79 pView->DrawView ();
80 }
81
82 void G4OpenGLXmViewer::background_color_callback (Widget w,
83 XtPointer clientData,
84 XtPointer)
85 {
86 G4long choice = (G4long)clientData;
87 G4OpenGLXmViewer* pView;
88 XtVaGetValues (XtParent(w),
89 XmNuserData, &pView,
90 NULL);
91
92
93 //I need to revisit the kernel if the background colour changes and
94 //hidden line removal is enabled, because hlr drawing utilises the
95 //background colour in its drawing...
96 // (Note added by JA 13/9/2005) Background now handled in view
97 // parameters. A kernel visit is triggered on change of background.
98 switch (choice) {
99
100 case 0:
101 ((G4ViewParameters&)pView->GetViewParameters()).
102 SetBackgroundColour(G4Colour(1.,1.,1.)); // White
103 break;
104
105 case 1:
106 ((G4ViewParameters&)pView->GetViewParameters()).
107 SetBackgroundColour(G4Colour(0.,0.,0.)); // Black
108 break;
109
110 default:
111 G4Exception
112 ("G4OpenGLXmViewer::background_color_callback",
113 "opengl2008", FatalException,
114 "Unrecognised case in background_color_callback.");
115 }
116
117 pView->SetView ();
118 pView->ClearView ();
119 pView->DrawView ();
120 }
121
122 void G4OpenGLXmViewer::transparency_callback (Widget w,
123 XtPointer clientData,
124 XtPointer)
125 {
126 G4long choice = (G4long)clientData;
127 G4OpenGLXmViewer* pView;
128 XtVaGetValues (XtParent(w),
129 XmNuserData, &pView,
130 NULL);
131
132 switch (choice) {
133
134 case 0:
135 pView->transparency_enabled = false;
136 break;
137
138 case 1:
139 pView->transparency_enabled = true;
140 break;
141
142 default:
143 G4Exception
144 ("G4OpenGLXmViewer::transparency_callback",
145 "opengl2009", FatalException,
146 "Unrecognised case in transparency_callback.");
147 }
148
149 pView->SetNeedKernelVisit (true);
150 pView->SetView ();
151 pView->ClearView ();
152 pView->DrawView ();
153 }
154
155 void G4OpenGLXmViewer::antialias_callback (Widget w,
156 XtPointer clientData,
157 XtPointer)
158 {
159 G4long choice = (G4long)clientData;
160 G4OpenGLXmViewer* pView;
161 XtVaGetValues (XtParent(w),
162 XmNuserData, &pView,
163 NULL);
164
165 switch (choice) {
166
167 case 0:
168 pView->antialiasing_enabled = false;
169 glDisable (GL_LINE_SMOOTH);
170 glDisable (GL_POLYGON_SMOOTH);
171 break;
172
173 case 1:
174 pView->antialiasing_enabled = true;
175 glEnable (GL_LINE_SMOOTH);
176 glHint (GL_LINE_SMOOTH_HINT, GL_NICEST);
177 glEnable (GL_POLYGON_SMOOTH);
178 glHint (GL_POLYGON_SMOOTH_HINT, GL_NICEST);
179 break;
180
181 default:
182 G4Exception
183 ("G4OpenGLXmViewer::antialias_callback",
184 "opengl2010", FatalException,
185 "Unrecognised case in antialiasing_callback.");
186 }
187
188 pView->SetView ();
189 pView->ClearView ();
190 pView->DrawView ();
191 }
192
193 void G4OpenGLXmViewer::haloing_callback (Widget w,
194 XtPointer clientData,
195 XtPointer)
196 {
197 G4long choice = (G4long)clientData;
198 G4OpenGLXmViewer* pView;
199 XtVaGetValues (XtParent(w),
200 XmNuserData, &pView,
201 NULL);
202
203 switch (choice) {
204
205 case 0:
206 pView->haloing_enabled = false;
207 break;
208
209 case 1:
210 pView->haloing_enabled = true;
211 break;
212
213 default:
214 G4Exception
215 ("G4OpenGLXmViewer::haloing_callback",
216 "opengl2011", FatalException,
217 "Unrecognised case in haloing_callback.");
218 }
219
220 pView->SetView ();
221 pView->ClearView ();
222 pView->DrawView ();
223 }
224
225 void G4OpenGLXmViewer::aux_edge_callback (Widget w,
226 XtPointer clientData,
227 XtPointer)
228 {
229 G4long choice = (G4long)clientData;
230 G4OpenGLXmViewer* pView;
231 XtVaGetValues (XtParent(w),
232 XmNuserData, &pView,
233 NULL);
234
235 switch (choice) {
236
237 case 0:
238 pView->fVP.SetAuxEdgeVisible(false);
239 break;
240
241 case 1:
242 pView->fVP.SetAuxEdgeVisible(true);
243 break;
244
245 default:
246 G4Exception
247 ("G4OpenGLXmViewer::aux_edge_callback",
248 "opengl2012", FatalException,
249 "Unrecognised case in aux_edge_callback.");
250 }
251
252 pView->SetNeedKernelVisit (true);
253 pView->SetView ();
254 pView->ClearView ();
255 pView->DrawView ();
256 }
257
258 void G4OpenGLXmViewer::projection_callback (Widget w,
259 XtPointer clientData,
260 XtPointer)
261 {
262 G4OpenGLXmViewer* pView = (G4OpenGLXmViewer*)clientData;
263
264 G4int choice = get_int_userData (w);
265
266 switch (choice) {
267 case 0:
268 {
269 pView->fVP.SetFieldHalfAngle (0.);
270 break;
271 }
272
273 case 1:
274 {
275 if (pView->fov > 89.5 || pView->fov <= 0.0) {
276 G4cout << "Field half angle should be 0 < angle <= 89.5 degrees.";
277 G4cout << G4endl;
278 }
279 else {
280 pView->fVP.SetFieldHalfAngle (pView->fov * deg);
281 }
282 break;
283 }
284 default:
285 {
286 G4Exception
287 ("G4OpenGLXmViewer::projection_callback",
288 "opengl2013", FatalException,
289 "Unrecognised choice made in projection_callback");
290 }
291 }
292
293 pView->SetView ();
294 pView->ClearView ();
295 pView->DrawView ();
296 }
297