Mercurial > hg > orthanc-stone
annotate Framework/Viewport/WidgetViewport.cpp @ 46:766d31dc5716 wasm
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| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 19 Apr 2017 14:33:06 +0200 |
| parents | 7207a407bcd8 |
| children | 25befef48c35 |
| rev | line source |
|---|---|
| 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 } |