Mercurial > hg > orthanc-stone
annotate Framework/Viewport/WidgetViewport.cpp @ 55:f0f354a97581 wasm
simplification
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Fri, 28 Apr 2017 17:24:18 +0200 |
| parents | 01aa453d4d5b |
| children | ca644004d2ee |
| 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 | |
| 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 statusBar_ = &statusBar; | |
| 54 | |
| 55 if (centralWidget_.get() != NULL) | |
| 56 { | |
| 57 centralWidget_->SetStatusBar(statusBar); | |
| 58 } | |
| 59 } | |
| 60 | |
| 61 | |
| 62 void WidgetViewport::ResetStatusBar() | |
| 63 { | |
| 64 statusBar_ = NULL; | |
| 65 | |
| 66 if (centralWidget_.get() != NULL) | |
| 67 { | |
| 68 centralWidget_->ResetStatusBar(); | |
| 69 } | |
| 70 } | |
| 71 | |
| 72 | |
| 73 IWidget& WidgetViewport::SetCentralWidget(IWidget* widget) | |
| 74 { | |
| 75 if (started_) | |
| 76 { | |
| 77 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
| 78 } | |
| 79 | |
| 80 if (widget == NULL) | |
| 81 { | |
| 82 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 83 } | |
| 84 | |
| 85 UnregisterCentralWidget(); | |
| 86 | |
| 87 centralWidget_.reset(widget); | |
| 88 centralWidget_->Register(*this); | |
| 89 | |
| 90 if (statusBar_ == NULL) | |
| 91 { | |
| 92 centralWidget_->ResetStatusBar(); | |
| 93 } | |
| 94 else | |
| 95 { | |
| 96 centralWidget_->SetStatusBar(*statusBar_); | |
| 97 } | |
| 98 | |
| 99 backgroundChanged_ = true; | |
| 100 | |
| 101 return *widget; | |
| 102 } | |
| 103 | |
| 104 | |
| 105 void WidgetViewport::NotifyChange(const IWidget& widget) | |
| 106 { | |
| 107 backgroundChanged_ = true; | |
| 108 observers_.NotifyChange(this); | |
| 109 } | |
| 110 | |
| 111 | |
| 112 void WidgetViewport::Start() | |
| 113 { | |
| 114 if (centralWidget_.get() != NULL) | |
| 115 { | |
| 116 centralWidget_->Start(); | |
| 117 } | |
| 118 | |
| 119 started_ = true; | |
| 120 } | |
| 121 | |
| 122 | |
| 123 void WidgetViewport::Stop() | |
| 124 { | |
| 125 started_ = false; | |
| 126 | |
| 127 if (centralWidget_.get() != NULL) | |
| 128 { | |
| 129 centralWidget_->Stop(); | |
| 130 } | |
| 131 } | |
| 132 | |
| 133 | |
| 134 void WidgetViewport::SetSize(unsigned int width, | |
| 135 unsigned int height) | |
| 136 { | |
| 137 background_.SetSize(width, height); | |
| 138 | |
| 139 if (centralWidget_.get() != NULL) | |
| 140 { | |
| 141 centralWidget_->SetSize(width, height); | |
| 142 } | |
| 143 | |
| 144 observers_.NotifyChange(this); | |
| 145 } | |
| 146 | |
| 147 | |
| 148 bool WidgetViewport::Render(Orthanc::ImageAccessor& surface) | |
| 149 { | |
| 150 if (!started_ || | |
| 151 centralWidget_.get() == NULL) | |
| 152 { | |
| 153 return false; | |
| 154 } | |
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155 |
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156 Orthanc::ImageAccessor background = background_.GetAccessor(); |
| 0 | 157 |
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158 if (backgroundChanged_ && |
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159 !centralWidget_->Render(background)) |
| 0 | 160 { |
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161 return false; |
| 0 | 162 } |
| 163 | |
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164 if (background.GetWidth() != surface.GetWidth() || |
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165 background.GetHeight() != surface.GetHeight()) |
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166 { |
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167 return false; |
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168 } |
| 0 | 169 |
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170 Orthanc::ImageProcessing::Convert(surface, background); |
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171 |
| 0 | 172 if (mouseTracker_.get() != NULL) |
| 173 { | |
| 174 mouseTracker_->Render(surface); | |
| 175 } | |
| 176 else if (isMouseOver_) | |
| 177 { | |
| 178 centralWidget_->RenderMouseOver(surface, lastMouseX_, lastMouseY_); | |
| 179 } | |
| 180 | |
| 181 return true; | |
| 182 } | |
| 183 | |
| 184 | |
| 185 void WidgetViewport::MouseDown(MouseButton button, | |
| 186 int x, | |
| 187 int y, | |
| 188 KeyboardModifiers modifiers) | |
| 189 { | |
| 190 if (!started_) | |
| 191 { | |
| 192 return; | |
| 193 } | |
| 194 | |
| 195 lastMouseX_ = x; | |
| 196 lastMouseY_ = y; | |
| 197 | |
| 198 if (centralWidget_.get() != NULL) | |
| 199 { | |
| 200 mouseTracker_.reset(centralWidget_->CreateMouseTracker(button, x, y, modifiers)); | |
| 201 } | |
| 202 else | |
| 203 { | |
| 204 mouseTracker_.reset(NULL); | |
| 205 } | |
| 206 | |
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207 observers_.NotifyChange(this); |
| 0 | 208 } |
| 209 | |
| 210 | |
| 211 void WidgetViewport::MouseUp() | |
| 212 { | |
| 213 if (!started_) | |
| 214 { | |
| 215 return; | |
| 216 } | |
| 217 | |
| 218 if (mouseTracker_.get() != NULL) | |
| 219 { | |
| 220 mouseTracker_->MouseUp(); | |
| 221 mouseTracker_.reset(NULL); | |
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222 observers_.NotifyChange(this); |
| 0 | 223 } |
| 224 } | |
| 225 | |
| 226 | |
| 227 void WidgetViewport::MouseMove(int x, | |
| 228 int y) | |
| 229 { | |
| 230 if (!started_) | |
| 231 { | |
| 232 return; | |
| 233 } | |
| 234 | |
| 235 lastMouseX_ = x; | |
| 236 lastMouseY_ = y; | |
| 237 | |
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238 bool repaint = false; |
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239 |
| 0 | 240 if (mouseTracker_.get() != NULL) |
| 241 { | |
| 242 mouseTracker_->MouseMove(x, y); | |
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243 repaint = true; |
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244 } |
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245 else |
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246 { |
| 55 | 247 repaint = centralWidget_->HasRenderMouseOver(); |
| 0 | 248 } |
| 249 | |
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250 if (repaint) |
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251 { |
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252 // The scene must be repainted, notify the observers |
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253 observers_.NotifyChange(this); |
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254 } |
| 0 | 255 } |
| 256 | |
| 257 | |
| 258 void WidgetViewport::MouseEnter() | |
| 259 { | |
| 260 isMouseOver_ = true; | |
| 261 observers_.NotifyChange(this); | |
| 262 } | |
| 263 | |
| 264 | |
| 265 void WidgetViewport::MouseLeave() | |
| 266 { | |
| 267 isMouseOver_ = false; | |
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268 |
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269 if (started_ && |
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270 mouseTracker_.get() != NULL) |
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271 { |
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272 mouseTracker_->MouseUp(); |
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273 mouseTracker_.reset(NULL); |
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274 } |
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275 |
| 0 | 276 observers_.NotifyChange(this); |
| 277 } | |
| 278 | |
| 279 | |
| 280 void WidgetViewport::MouseWheel(MouseWheelDirection direction, | |
| 281 int x, | |
| 282 int y, | |
| 283 KeyboardModifiers modifiers) | |
| 284 { | |
| 285 if (!started_) | |
| 286 { | |
| 287 return; | |
| 288 } | |
| 289 | |
| 290 if (centralWidget_.get() != NULL && | |
| 291 mouseTracker_.get() == NULL) | |
| 292 { | |
| 293 centralWidget_->MouseWheel(direction, x, y, modifiers); | |
| 294 } | |
| 295 } | |
| 296 | |
| 297 | |
| 298 void WidgetViewport::KeyPressed(char key, | |
| 299 KeyboardModifiers modifiers) | |
| 300 { | |
| 301 if (centralWidget_.get() != NULL && | |
| 302 mouseTracker_.get() == NULL) | |
| 303 { | |
| 304 centralWidget_->KeyPressed(key, modifiers); | |
| 305 } | |
| 306 } | |
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307 |
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308 |
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309 bool WidgetViewport::HasUpdateContent() |
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310 { |
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311 if (centralWidget_.get() != NULL) |
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312 { |
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313 return centralWidget_->HasUpdateContent(); |
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314 } |
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315 else |
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316 { |
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317 return false; |
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318 } |
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319 } |
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320 |
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321 |
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322 void WidgetViewport::UpdateContent() |
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323 { |
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324 if (centralWidget_.get() != NULL) |
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325 { |
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326 centralWidget_->UpdateContent(); |
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327 } |
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328 } |
| 0 | 329 } |