Mercurial > hg > orthanc-stone
annotate Framework/Viewport/WidgetViewport.cpp @ 134:4cff7b1ed31d
upgrade to year 2018
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Tue, 02 Jan 2018 09:51:36 +0100 |
| parents | 28956ed68280 |
| children | fccffbf99ba1 |
| 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 | |
|
134
4cff7b1ed31d
upgrade to year 2018
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
47
diff
changeset
|
5 * Copyright (C) 2017-2018 Osimis S.A., Belgium |
| 0 | 6 * |
| 7 * This program is free software: you can redistribute it and/or | |
| 47 | 8 * modify it under the terms of the GNU Affero General Public License |
| 9 * as published by the Free Software Foundation, either version 3 of | |
| 10 * the License, or (at your option) any later version. | |
| 0 | 11 * |
| 12 * This program is distributed in the hope that it will be useful, but | |
| 13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 47 | 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 * Affero General Public License for more details. | |
| 16 * | |
| 17 * You should have received a copy of the GNU Affero General Public License | |
| 0 | 18 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 19 **/ | |
| 20 | |
| 21 | |
| 22 #include "WidgetViewport.h" | |
| 23 | |
| 16 | 24 #include "../../Resources/Orthanc/Core/Images/ImageProcessing.h" |
| 25 #include "../../Resources/Orthanc/Core/OrthancException.h" | |
| 0 | 26 |
| 27 namespace OrthancStone | |
| 28 { | |
| 29 void WidgetViewport::UnregisterCentralWidget() | |
| 30 { | |
| 31 mouseTracker_.reset(NULL); | |
| 32 | |
| 33 if (centralWidget_.get() != NULL) | |
| 34 { | |
| 35 centralWidget_->Unregister(*this); | |
| 36 } | |
| 37 } | |
| 38 | |
| 39 | |
| 40 WidgetViewport::WidgetViewport() : | |
| 41 statusBar_(NULL), | |
| 42 isMouseOver_(false), | |
| 43 lastMouseX_(0), | |
| 44 lastMouseY_(0), | |
| 45 backgroundChanged_(false), | |
| 46 started_(false) | |
| 47 { | |
| 48 } | |
| 49 | |
| 50 | |
| 51 void WidgetViewport::SetStatusBar(IStatusBar& statusBar) | |
| 52 { | |
| 53 boost::mutex::scoped_lock lock(mutex_); | |
| 54 | |
| 55 statusBar_ = &statusBar; | |
| 56 | |
| 57 if (centralWidget_.get() != NULL) | |
| 58 { | |
| 59 centralWidget_->SetStatusBar(statusBar); | |
| 60 } | |
| 61 } | |
| 62 | |
| 63 | |
| 64 void WidgetViewport::ResetStatusBar() | |
| 65 { | |
| 66 boost::mutex::scoped_lock lock(mutex_); | |
| 67 | |
| 68 statusBar_ = NULL; | |
| 69 | |
| 70 if (centralWidget_.get() != NULL) | |
| 71 { | |
| 72 centralWidget_->ResetStatusBar(); | |
| 73 } | |
| 74 } | |
| 75 | |
| 76 | |
| 77 IWidget& WidgetViewport::SetCentralWidget(IWidget* widget) | |
| 78 { | |
| 79 if (started_) | |
| 80 { | |
| 81 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
| 82 } | |
| 83 | |
| 84 boost::mutex::scoped_lock lock(mutex_); | |
| 85 | |
| 86 if (widget == NULL) | |
| 87 { | |
| 88 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 89 } | |
| 90 | |
| 91 UnregisterCentralWidget(); | |
| 92 | |
| 93 centralWidget_.reset(widget); | |
| 94 centralWidget_->Register(*this); | |
| 95 | |
| 96 if (statusBar_ == NULL) | |
| 97 { | |
| 98 centralWidget_->ResetStatusBar(); | |
| 99 } | |
| 100 else | |
| 101 { | |
| 102 centralWidget_->SetStatusBar(*statusBar_); | |
| 103 } | |
| 104 | |
| 105 backgroundChanged_ = true; | |
| 106 | |
| 107 return *widget; | |
| 108 } | |
| 109 | |
| 110 | |
| 111 void WidgetViewport::NotifyChange(const IWidget& widget) | |
| 112 { | |
| 113 backgroundChanged_ = true; | |
| 114 observers_.NotifyChange(this); | |
| 115 } | |
| 116 | |
| 117 | |
| 118 void WidgetViewport::Start() | |
| 119 { | |
| 120 boost::mutex::scoped_lock lock(mutex_); | |
| 121 | |
| 122 if (centralWidget_.get() != NULL) | |
| 123 { | |
| 124 centralWidget_->Start(); | |
| 125 } | |
| 126 | |
| 127 started_ = true; | |
| 128 } | |
| 129 | |
| 130 | |
| 131 void WidgetViewport::Stop() | |
| 132 { | |
| 133 boost::mutex::scoped_lock lock(mutex_); | |
| 134 | |
| 135 started_ = false; | |
| 136 | |
| 137 if (centralWidget_.get() != NULL) | |
| 138 { | |
| 139 centralWidget_->Stop(); | |
| 140 } | |
| 141 } | |
| 142 | |
| 143 | |
| 144 void WidgetViewport::SetSize(unsigned int width, | |
| 145 unsigned int height) | |
| 146 { | |
| 147 boost::mutex::scoped_lock lock(mutex_); | |
| 148 | |
| 149 background_.SetSize(width, height); | |
| 150 | |
| 151 if (centralWidget_.get() != NULL) | |
| 152 { | |
| 153 centralWidget_->SetSize(width, height); | |
| 154 } | |
| 155 | |
| 156 observers_.NotifyChange(this); | |
| 157 } | |
| 158 | |
| 159 | |
| 160 bool WidgetViewport::Render(Orthanc::ImageAccessor& surface) | |
| 161 { | |
| 162 boost::mutex::scoped_lock lock(mutex_); | |
| 163 | |
| 164 if (!started_ || | |
| 165 centralWidget_.get() == NULL) | |
| 166 { | |
| 167 return false; | |
| 168 } | |
| 169 | |
| 170 if (backgroundChanged_) | |
| 171 { | |
| 172 Orthanc::ImageAccessor accessor = background_.GetAccessor(); | |
| 173 if (!centralWidget_->Render(accessor)) | |
| 174 { | |
| 175 return false; | |
| 176 } | |
| 177 } | |
| 178 | |
| 179 Orthanc::ImageProcessing::Copy(surface, background_.GetAccessor()); | |
| 180 | |
| 181 if (mouseTracker_.get() != NULL) | |
| 182 { | |
| 183 mouseTracker_->Render(surface); | |
| 184 } | |
| 185 else if (isMouseOver_) | |
| 186 { | |
| 187 centralWidget_->RenderMouseOver(surface, lastMouseX_, lastMouseY_); | |
| 188 } | |
| 189 | |
| 190 return true; | |
| 191 } | |
| 192 | |
| 193 | |
| 194 void WidgetViewport::MouseDown(MouseButton button, | |
| 195 int x, | |
| 196 int y, | |
| 197 KeyboardModifiers modifiers) | |
| 198 { | |
| 199 boost::mutex::scoped_lock lock(mutex_); | |
| 200 | |
| 201 if (!started_) | |
| 202 { | |
| 203 return; | |
| 204 } | |
| 205 | |
| 206 lastMouseX_ = x; | |
| 207 lastMouseY_ = y; | |
| 208 | |
| 209 if (centralWidget_.get() != NULL) | |
| 210 { | |
| 211 mouseTracker_.reset(centralWidget_->CreateMouseTracker(button, x, y, modifiers)); | |
| 212 } | |
| 213 else | |
| 214 { | |
| 215 mouseTracker_.reset(NULL); | |
| 216 } | |
| 217 | |
| 218 observers_.NotifyChange(this);; | |
| 219 } | |
| 220 | |
| 221 | |
| 222 void WidgetViewport::MouseUp() | |
| 223 { | |
| 224 boost::mutex::scoped_lock lock(mutex_); | |
| 225 | |
| 226 if (!started_) | |
| 227 { | |
| 228 return; | |
| 229 } | |
| 230 | |
| 231 if (mouseTracker_.get() != NULL) | |
| 232 { | |
| 233 mouseTracker_->MouseUp(); | |
| 234 mouseTracker_.reset(NULL); | |
| 235 observers_.NotifyChange(this);; | |
| 236 } | |
| 237 } | |
| 238 | |
| 239 | |
| 240 void WidgetViewport::MouseMove(int x, | |
| 241 int y) | |
| 242 { | |
| 243 boost::mutex::scoped_lock lock(mutex_); | |
| 244 | |
| 245 if (!started_) | |
| 246 { | |
| 247 return; | |
| 248 } | |
| 249 | |
| 250 lastMouseX_ = x; | |
| 251 lastMouseY_ = y; | |
| 252 | |
| 253 if (mouseTracker_.get() != NULL) | |
| 254 { | |
| 255 mouseTracker_->MouseMove(x, y); | |
| 256 } | |
| 257 | |
| 258 // The scene must be repainted | |
| 259 observers_.NotifyChange(this); | |
| 260 } | |
| 261 | |
| 262 | |
| 263 void WidgetViewport::MouseEnter() | |
| 264 { | |
| 265 boost::mutex::scoped_lock lock(mutex_); | |
| 266 isMouseOver_ = true; | |
| 267 observers_.NotifyChange(this); | |
| 268 } | |
| 269 | |
| 270 | |
| 271 void WidgetViewport::MouseLeave() | |
| 272 { | |
| 273 boost::mutex::scoped_lock lock(mutex_); | |
| 274 isMouseOver_ = false; | |
| 275 observers_.NotifyChange(this); | |
| 276 } | |
| 277 | |
| 278 | |
| 279 void WidgetViewport::MouseWheel(MouseWheelDirection direction, | |
| 280 int x, | |
| 281 int y, | |
| 282 KeyboardModifiers modifiers) | |
| 283 { | |
| 284 boost::mutex::scoped_lock lock(mutex_); | |
| 285 | |
| 286 if (!started_) | |
| 287 { | |
| 288 return; | |
| 289 } | |
| 290 | |
| 291 if (centralWidget_.get() != NULL && | |
| 292 mouseTracker_.get() == NULL) | |
| 293 { | |
| 294 centralWidget_->MouseWheel(direction, x, y, modifiers); | |
| 295 } | |
| 296 } | |
| 297 | |
| 298 | |
| 299 void WidgetViewport::KeyPressed(char key, | |
| 300 KeyboardModifiers modifiers) | |
| 301 { | |
| 302 boost::mutex::scoped_lock lock(mutex_); | |
| 303 | |
| 304 if (centralWidget_.get() != NULL && | |
| 305 mouseTracker_.get() == NULL) | |
| 306 { | |
| 307 centralWidget_->KeyPressed(key, modifiers); | |
| 308 } | |
| 309 } | |
| 310 } |