Mercurial > hg > orthanc-stone
annotate Framework/Viewport/WidgetViewport.cpp @ 46:766d31dc5716 wasm
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 19 Apr 2017 14:33:06 +0200 |
parents | 7207a407bcd8 |
children | 25befef48c35 |
rev | line source |
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0 | 1 /** |
2 * Stone of Orthanc | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
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5 * Copyright (C) 2017 Osimis, Belgium |
0 | 6 * |
7 * This program is free software: you can redistribute it and/or | |
8 * modify it under the terms of the GNU General Public License as | |
9 * published by the Free Software Foundation, either version 3 of the | |
10 * License, or (at your option) any later version. | |
11 * | |
12 * In addition, as a special exception, the copyright holders of this | |
13 * program give permission to link the code of its release with the | |
14 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
15 * that use the same license as the "OpenSSL" library), and distribute | |
16 * the linked executables. You must obey the GNU General Public License | |
17 * in all respects for all of the code used other than "OpenSSL". If you | |
18 * modify file(s) with this exception, you may extend this exception to | |
19 * your version of the file(s), but you are not obligated to do so. If | |
20 * you do not wish to do so, delete this exception statement from your | |
21 * version. If you delete this exception statement from all source files | |
22 * in the program, then also delete it here. | |
23 * | |
24 * This program is distributed in the hope that it will be useful, but | |
25 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
27 * General Public License for more details. | |
28 * | |
29 * You should have received a copy of the GNU General Public License | |
30 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
31 **/ | |
32 | |
33 | |
34 #include "WidgetViewport.h" | |
35 | |
16 | 36 #include "../../Resources/Orthanc/Core/Images/ImageProcessing.h" |
37 #include "../../Resources/Orthanc/Core/OrthancException.h" | |
0 | 38 |
39 namespace OrthancStone | |
40 { | |
41 void WidgetViewport::UnregisterCentralWidget() | |
42 { | |
43 mouseTracker_.reset(NULL); | |
44 | |
45 if (centralWidget_.get() != NULL) | |
46 { | |
47 centralWidget_->Unregister(*this); | |
48 } | |
49 } | |
50 | |
51 | |
52 WidgetViewport::WidgetViewport() : | |
53 statusBar_(NULL), | |
54 isMouseOver_(false), | |
55 lastMouseX_(0), | |
56 lastMouseY_(0), | |
57 backgroundChanged_(false), | |
58 started_(false) | |
59 { | |
60 } | |
61 | |
62 | |
63 void WidgetViewport::SetStatusBar(IStatusBar& statusBar) | |
64 { | |
65 boost::mutex::scoped_lock lock(mutex_); | |
66 | |
67 statusBar_ = &statusBar; | |
68 | |
69 if (centralWidget_.get() != NULL) | |
70 { | |
71 centralWidget_->SetStatusBar(statusBar); | |
72 } | |
73 } | |
74 | |
75 | |
76 void WidgetViewport::ResetStatusBar() | |
77 { | |
78 boost::mutex::scoped_lock lock(mutex_); | |
79 | |
80 statusBar_ = NULL; | |
81 | |
82 if (centralWidget_.get() != NULL) | |
83 { | |
84 centralWidget_->ResetStatusBar(); | |
85 } | |
86 } | |
87 | |
88 | |
89 IWidget& WidgetViewport::SetCentralWidget(IWidget* widget) | |
90 { | |
91 if (started_) | |
92 { | |
93 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
94 } | |
95 | |
96 boost::mutex::scoped_lock lock(mutex_); | |
97 | |
98 if (widget == NULL) | |
99 { | |
100 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
101 } | |
102 | |
103 UnregisterCentralWidget(); | |
104 | |
105 centralWidget_.reset(widget); | |
106 centralWidget_->Register(*this); | |
107 | |
108 if (statusBar_ == NULL) | |
109 { | |
110 centralWidget_->ResetStatusBar(); | |
111 } | |
112 else | |
113 { | |
114 centralWidget_->SetStatusBar(*statusBar_); | |
115 } | |
116 | |
117 backgroundChanged_ = true; | |
118 | |
119 return *widget; | |
120 } | |
121 | |
122 | |
123 void WidgetViewport::NotifyChange(const IWidget& widget) | |
124 { | |
125 backgroundChanged_ = true; | |
126 observers_.NotifyChange(this); | |
127 } | |
128 | |
129 | |
130 void WidgetViewport::Start() | |
131 { | |
132 boost::mutex::scoped_lock lock(mutex_); | |
133 | |
134 if (centralWidget_.get() != NULL) | |
135 { | |
136 centralWidget_->Start(); | |
137 } | |
138 | |
139 started_ = true; | |
140 } | |
141 | |
142 | |
143 void WidgetViewport::Stop() | |
144 { | |
145 boost::mutex::scoped_lock lock(mutex_); | |
146 | |
147 started_ = false; | |
148 | |
149 if (centralWidget_.get() != NULL) | |
150 { | |
151 centralWidget_->Stop(); | |
152 } | |
153 } | |
154 | |
155 | |
156 void WidgetViewport::SetSize(unsigned int width, | |
157 unsigned int height) | |
158 { | |
159 boost::mutex::scoped_lock lock(mutex_); | |
160 | |
161 background_.SetSize(width, height); | |
162 | |
163 if (centralWidget_.get() != NULL) | |
164 { | |
165 centralWidget_->SetSize(width, height); | |
166 } | |
167 | |
168 observers_.NotifyChange(this); | |
169 } | |
170 | |
171 | |
172 bool WidgetViewport::Render(Orthanc::ImageAccessor& surface) | |
173 { | |
174 boost::mutex::scoped_lock lock(mutex_); | |
175 | |
176 if (!started_ || | |
177 centralWidget_.get() == NULL) | |
178 { | |
179 return false; | |
180 } | |
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181 |
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182 Orthanc::ImageAccessor background = background_.GetAccessor(); |
0 | 183 |
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184 if (backgroundChanged_ && |
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185 !centralWidget_->Render(background)) |
0 | 186 { |
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187 return false; |
0 | 188 } |
189 | |
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190 if (background.GetWidth() != surface.GetWidth() || |
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191 background.GetHeight() != surface.GetHeight()) |
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192 { |
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193 return false; |
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194 } |
0 | 195 |
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196 Orthanc::ImageProcessing::Convert(surface, background); |
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197 |
0 | 198 if (mouseTracker_.get() != NULL) |
199 { | |
200 mouseTracker_->Render(surface); | |
201 } | |
202 else if (isMouseOver_) | |
203 { | |
204 centralWidget_->RenderMouseOver(surface, lastMouseX_, lastMouseY_); | |
205 } | |
206 | |
207 return true; | |
208 } | |
209 | |
210 | |
211 void WidgetViewport::MouseDown(MouseButton button, | |
212 int x, | |
213 int y, | |
214 KeyboardModifiers modifiers) | |
215 { | |
216 boost::mutex::scoped_lock lock(mutex_); | |
217 | |
218 if (!started_) | |
219 { | |
220 return; | |
221 } | |
222 | |
223 lastMouseX_ = x; | |
224 lastMouseY_ = y; | |
225 | |
226 if (centralWidget_.get() != NULL) | |
227 { | |
228 mouseTracker_.reset(centralWidget_->CreateMouseTracker(button, x, y, modifiers)); | |
229 } | |
230 else | |
231 { | |
232 mouseTracker_.reset(NULL); | |
233 } | |
234 | |
235 observers_.NotifyChange(this);; | |
236 } | |
237 | |
238 | |
239 void WidgetViewport::MouseUp() | |
240 { | |
241 boost::mutex::scoped_lock lock(mutex_); | |
242 | |
243 if (!started_) | |
244 { | |
245 return; | |
246 } | |
247 | |
248 if (mouseTracker_.get() != NULL) | |
249 { | |
250 mouseTracker_->MouseUp(); | |
251 mouseTracker_.reset(NULL); | |
252 observers_.NotifyChange(this);; | |
253 } | |
254 } | |
255 | |
256 | |
257 void WidgetViewport::MouseMove(int x, | |
258 int y) | |
259 { | |
260 boost::mutex::scoped_lock lock(mutex_); | |
261 | |
262 if (!started_) | |
263 { | |
264 return; | |
265 } | |
266 | |
267 lastMouseX_ = x; | |
268 lastMouseY_ = y; | |
269 | |
270 if (mouseTracker_.get() != NULL) | |
271 { | |
272 mouseTracker_->MouseMove(x, y); | |
273 } | |
274 | |
275 // The scene must be repainted | |
276 observers_.NotifyChange(this); | |
277 } | |
278 | |
279 | |
280 void WidgetViewport::MouseEnter() | |
281 { | |
282 boost::mutex::scoped_lock lock(mutex_); | |
283 isMouseOver_ = true; | |
284 observers_.NotifyChange(this); | |
285 } | |
286 | |
287 | |
288 void WidgetViewport::MouseLeave() | |
289 { | |
290 boost::mutex::scoped_lock lock(mutex_); | |
291 isMouseOver_ = false; | |
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292 |
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293 if (started_ && |
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294 mouseTracker_.get() != NULL) |
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295 { |
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296 mouseTracker_->MouseUp(); |
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297 mouseTracker_.reset(NULL); |
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298 } |
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299 |
0 | 300 observers_.NotifyChange(this); |
301 } | |
302 | |
303 | |
304 void WidgetViewport::MouseWheel(MouseWheelDirection direction, | |
305 int x, | |
306 int y, | |
307 KeyboardModifiers modifiers) | |
308 { | |
309 boost::mutex::scoped_lock lock(mutex_); | |
310 | |
311 if (!started_) | |
312 { | |
313 return; | |
314 } | |
315 | |
316 if (centralWidget_.get() != NULL && | |
317 mouseTracker_.get() == NULL) | |
318 { | |
319 centralWidget_->MouseWheel(direction, x, y, modifiers); | |
320 } | |
321 } | |
322 | |
323 | |
324 void WidgetViewport::KeyPressed(char key, | |
325 KeyboardModifiers modifiers) | |
326 { | |
327 boost::mutex::scoped_lock lock(mutex_); | |
328 | |
329 if (centralWidget_.get() != NULL && | |
330 mouseTracker_.get() == NULL) | |
331 { | |
332 centralWidget_->KeyPressed(key, modifiers); | |
333 } | |
334 } | |
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335 |
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336 |
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337 bool WidgetViewport::HasUpdateContent() |
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338 { |
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339 boost::mutex::scoped_lock lock(mutex_); |
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340 |
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341 if (centralWidget_.get() != NULL) |
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342 { |
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343 return centralWidget_->HasUpdateContent(); |
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344 } |
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345 else |
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346 { |
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347 return false; |
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348 } |
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349 } |
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350 |
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351 |
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352 void WidgetViewport::UpdateContent() |
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353 { |
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354 boost::mutex::scoped_lock lock(mutex_); |
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355 |
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356 if (centralWidget_.get() != NULL) |
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357 { |
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358 centralWidget_->UpdateContent(); |
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359 } |
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360 } |
0 | 361 } |