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1 | // Created on: 1998-08-27 |
2 | // Created by: Robert COUBLANC |
3 | // Copyright (c) 1998-1999 Matra Datavision |
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4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
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5 | // |
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6 | // This file is part of Open CASCADE Technology software library. |
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7 | // |
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8 | // This library is free software; you can redistribute it and/or modify it under |
9 | // the terms of the GNU Lesser General Public License version 2.1 as published |
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10 | // by the Free Software Foundation, with special exception defined in the file |
11 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
12 | // distribution for complete text of the license and disclaimer of any warranty. |
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13 | // |
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14 | // Alternatively, this file may be used under the terms of Open CASCADE |
15 | // commercial license or contractual agreement. |
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16 | |
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17 | #include <ViewerTest_EventManager.hxx> |
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18 | |
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19 | #include <AIS_InteractiveContext.hxx> |
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20 | #include <Aspect_Grid.hxx> |
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21 | #include <Standard_Type.hxx> |
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22 | #include <V3d_View.hxx> |
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23 | |
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24 | IMPLEMENT_STANDARD_RTTIEXT(ViewerTest_EventManager,Standard_Transient) |
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25 | |
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26 | //======================================================================= |
27 | //function : ViewerTest_EventManager |
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28 | //purpose : |
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29 | //======================================================================= |
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30 | ViewerTest_EventManager::ViewerTest_EventManager (const Handle(V3d_View)& theView, |
31 | const Handle(AIS_InteractiveContext)& theCtx) |
32 | : myCtx (theCtx), |
33 | myView (theView), |
34 | myX (-1), |
35 | myY (-1) |
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36 | {} |
37 | |
38 | //======================================================================= |
39 | //function : MoveTo |
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40 | //purpose : |
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41 | //======================================================================= |
42 | |
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43 | void ViewerTest_EventManager::MoveTo (const Standard_Integer theXPix, |
44 | const Standard_Integer theYPix) |
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45 | { |
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46 | Standard_Real aPnt3d[3] = {0.0, 0.0, 0.0}; |
47 | if (!myCtx.IsNull() |
48 | && !myView.IsNull()) |
49 | { |
50 | const Standard_Boolean toEchoGrid = myView->Viewer()->Grid()->IsActive() |
51 | && myView->Viewer()->GridEcho(); |
52 | switch (myCtx->MoveTo (theXPix, theYPix, myView, !toEchoGrid)) |
53 | { |
54 | case AIS_SOD_Nothing: |
55 | { |
56 | if (toEchoGrid) |
57 | { |
58 | myView->ConvertToGrid (theXPix, theYPix, aPnt3d[0], aPnt3d[1], aPnt3d[2]); |
59 | myView->Viewer()->ShowGridEcho (myView, Graphic3d_Vertex (aPnt3d[0], aPnt3d[1], aPnt3d[2])); |
60 | myView->RedrawImmediate(); |
61 | } |
62 | break; |
63 | } |
64 | default: |
65 | { |
66 | if (toEchoGrid) |
67 | { |
68 | myView->Viewer()->HideGridEcho (myView); |
69 | myView->RedrawImmediate(); |
70 | } |
71 | break; |
72 | } |
73 | } |
74 | } |
75 | |
76 | myX = theXPix; |
77 | myY = theYPix; |
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78 | } |
79 | |
80 | //======================================================================= |
81 | //function : Select |
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82 | //purpose : |
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83 | //======================================================================= |
84 | |
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85 | void ViewerTest_EventManager::Select (const Standard_Integer theXPressed, |
86 | const Standard_Integer theYPressed, |
87 | const Standard_Integer theXMotion, |
88 | const Standard_Integer theYMotion, |
89 | const Standard_Boolean theIsAutoAllowOverlap) |
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90 | { |
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91 | if (myView.IsNull() |
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92 | || myCtx.IsNull() |
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93 | || Abs (theXPressed - theXMotion) < 2 |
94 | || Abs (theYPressed - theYMotion) < 2) |
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95 | { |
96 | return; |
97 | } |
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98 | |
99 | if (theIsAutoAllowOverlap) |
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100 | { |
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101 | const Standard_Boolean toAllowOverlap = theYPressed != Min (theYPressed, theYMotion); |
102 | myCtx->MainSelector()->AllowOverlapDetection (toAllowOverlap); |
103 | } |
104 | myCtx->Select (Min (theXPressed, theXMotion), |
105 | Min (theYPressed, theYMotion), |
106 | Max (theXPressed, theXMotion), |
107 | Max (theYPressed, theYMotion), |
108 | myView, |
109 | Standard_False); |
110 | |
111 | // to restore default state of viewer selector |
112 | if (theIsAutoAllowOverlap) |
113 | { |
114 | myCtx->MainSelector()->AllowOverlapDetection (Standard_False); |
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115 | } |
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116 | myView->Redraw(); |
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117 | } |
118 | |
119 | //======================================================================= |
120 | //function : ShiftSelect |
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121 | //purpose : |
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122 | //======================================================================= |
123 | |
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124 | void ViewerTest_EventManager::ShiftSelect (const Standard_Integer theXPressed, |
125 | const Standard_Integer theYPressed, |
126 | const Standard_Integer theXMotion, |
127 | const Standard_Integer theYMotion, |
128 | const Standard_Boolean theIsAutoAllowOverlap) |
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129 | { |
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130 | if (myView.IsNull() |
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131 | || myCtx.IsNull() |
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132 | || Abs (theXPressed - theXMotion) < 2 |
133 | || Abs (theYPressed - theYMotion) < 2) |
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134 | { |
135 | return; |
136 | } |
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137 | |
138 | if (theIsAutoAllowOverlap) |
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139 | { |
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140 | const Standard_Boolean toAllowOverlap = theYPressed != Min (theYPressed, theYMotion); |
141 | myCtx->MainSelector()->AllowOverlapDetection (toAllowOverlap); |
142 | } |
143 | myCtx->ShiftSelect (Min (theXPressed, theXMotion), |
144 | Min (theYPressed, theYMotion), |
145 | Max (theXPressed, theXMotion), |
146 | Max (theYPressed, theYMotion), |
147 | myView, |
148 | Standard_False); |
149 | |
150 | // to restore default state of viewer selector |
151 | if (theIsAutoAllowOverlap) |
152 | { |
153 | myCtx->MainSelector()->AllowOverlapDetection (Standard_False); |
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154 | } |
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155 | myView->Redraw(); |
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156 | } |
157 | |
158 | //======================================================================= |
159 | //function : Select |
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160 | //purpose : |
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161 | //======================================================================= |
162 | |
163 | void ViewerTest_EventManager::Select() |
164 | { |
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165 | if (myView.IsNull() |
166 | || myCtx.IsNull()) |
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167 | { |
168 | return; |
169 | } |
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170 | |
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171 | myCtx->Select (Standard_False); |
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172 | myView->Redraw(); |
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173 | } |
174 | |
175 | //======================================================================= |
176 | //function : ShiftSelect |
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177 | //purpose : |
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178 | //======================================================================= |
179 | |
180 | void ViewerTest_EventManager::ShiftSelect() |
181 | { |
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182 | if (myView.IsNull() |
183 | || myCtx.IsNull()) |
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184 | { |
185 | return; |
186 | } |
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187 | |
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188 | myCtx->ShiftSelect (Standard_False); |
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189 | myView->Redraw(); |
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190 | } |
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191 | |
192 | //======================================================================= |
193 | //function : Select |
194 | //purpose : Selection with polyline |
195 | //======================================================================= |
196 | |
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197 | void ViewerTest_EventManager::Select (const TColgp_Array1OfPnt2d& thePolyline) |
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198 | { |
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199 | if (myView.IsNull() |
200 | || myCtx.IsNull()) |
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201 | { |
202 | return; |
203 | } |
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204 | |
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205 | myCtx->Select (thePolyline, myView, Standard_False); |
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206 | myView->Redraw(); |
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207 | } |
208 | |
209 | //======================================================================= |
210 | //function : ShiftSelect |
211 | //purpose : Selection with polyline without erasing of current selection |
212 | //======================================================================= |
213 | |
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214 | void ViewerTest_EventManager::ShiftSelect (const TColgp_Array1OfPnt2d& thePolyline) |
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215 | { |
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216 | if (myView.IsNull() |
217 | || myCtx.IsNull()) |
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218 | { |
219 | return; |
220 | } |
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221 | |
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222 | myCtx->ShiftSelect (thePolyline, myView, Standard_False); |
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223 | myView->Redraw(); |
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224 | } |
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225 | |
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226 | //======================================================================= |
227 | //function : GetCurrentPosition |
228 | //purpose : |
229 | //======================================================================= |
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230 | void ViewerTest_EventManager::GetCurrentPosition (Standard_Integer& theXPix, Standard_Integer& theYPix) const |
231 | { |
232 | theXPix = myX; |
233 | theYPix = myY; |
234 | } |