Mercurial > hg > orthanc-stone
annotate Framework/Widgets/LayoutWidget.cpp @ 48:25befef48c35 wasm
integration mainline->wasm
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 27 Apr 2017 11:01:48 +0200 |
| parents | 766d31dc5716 28956ed68280 |
| children | c2dc924f1a63 |
| 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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7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
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 "LayoutWidget.h" | |
| 23 | |
| 16 | 24 #include "../../Resources/Orthanc/Core/Logging.h" |
| 25 #include "../../Resources/Orthanc/Core/OrthancException.h" | |
| 0 | 26 |
| 27 #include <boost/math/special_functions/round.hpp> | |
| 28 | |
| 29 namespace OrthancStone | |
| 30 { | |
| 31 class LayoutWidget::LayoutMouseTracker : public IMouseTracker | |
| 32 { | |
| 33 private: | |
| 34 std::auto_ptr<IMouseTracker> tracker_; | |
| 35 int left_; | |
| 36 int top_; | |
| 37 unsigned int width_; | |
| 38 unsigned int height_; | |
| 39 | |
| 40 public: | |
| 41 LayoutMouseTracker(IMouseTracker* tracker, | |
| 42 int left, | |
| 43 int top, | |
| 44 unsigned int width, | |
| 45 unsigned int height) : | |
| 46 tracker_(tracker), | |
| 47 left_(left), | |
| 48 top_(top), | |
| 49 width_(width), | |
| 50 height_(height) | |
| 51 { | |
| 52 if (tracker == NULL) | |
| 53 { | |
| 54 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 55 } | |
| 56 } | |
| 57 | |
| 58 virtual void Render(Orthanc::ImageAccessor& surface) | |
| 59 { | |
| 60 Orthanc::ImageAccessor accessor = surface.GetRegion(left_, top_, width_, height_); | |
| 61 tracker_->Render(accessor); | |
| 62 } | |
| 63 | |
| 64 virtual void MouseUp() | |
| 65 { | |
| 66 tracker_->MouseUp(); | |
| 67 } | |
| 68 | |
| 69 virtual void MouseMove(int x, | |
| 70 int y) | |
| 71 { | |
| 72 tracker_->MouseMove(x - left_, y - top_); | |
| 73 } | |
| 74 }; | |
| 75 | |
| 76 | |
| 77 class LayoutWidget::ChildWidget : public boost::noncopyable | |
| 78 { | |
| 79 private: | |
| 80 std::auto_ptr<IWidget> widget_; | |
| 81 int left_; | |
| 82 int top_; | |
| 83 unsigned int width_; | |
| 84 unsigned int height_; | |
| 85 | |
| 86 public: | |
| 87 ChildWidget(IWidget* widget) : | |
| 88 widget_(widget) | |
| 89 { | |
| 90 assert(widget != NULL); | |
| 91 SetEmpty(); | |
| 92 } | |
| 93 | |
| 94 IWidget& GetWidget() const | |
| 95 { | |
| 96 return *widget_; | |
| 97 } | |
| 98 | |
| 99 void SetRectangle(unsigned int left, | |
| 100 unsigned int top, | |
| 101 unsigned int width, | |
| 102 unsigned int height) | |
| 103 { | |
| 104 left_ = left; | |
| 105 top_ = top; | |
| 106 width_ = width; | |
| 107 height_ = height; | |
| 108 | |
| 109 widget_->SetSize(width, height); | |
| 110 } | |
| 111 | |
| 112 void SetEmpty() | |
| 113 { | |
| 114 SetRectangle(0, 0, 0, 0); | |
| 115 } | |
| 116 | |
| 117 bool Contains(int x, | |
| 118 int y) const | |
| 119 { | |
| 120 return (x >= left_ && | |
| 121 y >= top_ && | |
| 122 x < left_ + static_cast<int>(width_) && | |
| 123 y < top_ + static_cast<int>(height_)); | |
| 124 } | |
| 125 | |
| 126 bool Render(Orthanc::ImageAccessor& target) | |
| 127 { | |
| 128 if (width_ == 0 || | |
| 129 height_ == 0) | |
| 130 { | |
| 131 return true; | |
| 132 } | |
| 133 else | |
| 134 { | |
| 135 Orthanc::ImageAccessor accessor = target.GetRegion(left_, top_, width_, height_); | |
| 136 return widget_->Render(accessor); | |
| 137 } | |
| 138 } | |
| 139 | |
| 140 IMouseTracker* CreateMouseTracker(MouseButton button, | |
| 141 int x, | |
| 142 int y, | |
| 143 KeyboardModifiers modifiers) | |
| 144 { | |
| 145 if (Contains(x, y)) | |
| 146 { | |
| 147 IMouseTracker* tracker = widget_->CreateMouseTracker(button, | |
| 148 x - left_, | |
| 149 y - top_, | |
| 150 modifiers); | |
| 151 if (tracker) | |
| 152 { | |
| 153 return new LayoutMouseTracker(tracker, left_, top_, width_, height_); | |
| 154 } | |
| 155 } | |
| 156 | |
| 157 return NULL; | |
| 158 } | |
| 159 | |
| 160 void RenderMouseOver(Orthanc::ImageAccessor& target, | |
| 161 int x, | |
| 162 int y) | |
| 163 { | |
| 164 if (Contains(x, y)) | |
| 165 { | |
| 166 Orthanc::ImageAccessor accessor = target.GetRegion(left_, top_, width_, height_); | |
| 167 | |
| 168 widget_->RenderMouseOver(accessor, x - left_, y - top_); | |
| 169 } | |
| 170 } | |
| 171 | |
| 172 void MouseWheel(MouseWheelDirection direction, | |
| 173 int x, | |
| 174 int y, | |
| 175 KeyboardModifiers modifiers) | |
| 176 { | |
| 177 if (Contains(x, y)) | |
| 178 { | |
| 179 widget_->MouseWheel(direction, x - left_, y - top_, modifiers); | |
| 180 } | |
| 181 } | |
| 182 }; | |
| 183 | |
| 184 | |
| 185 void LayoutWidget::ComputeChildrenExtents() | |
| 186 { | |
| 187 if (children_.size() == 0) | |
| 188 { | |
| 189 return; | |
| 190 } | |
| 191 | |
| 192 float internal = static_cast<float>(paddingInternal_); | |
| 193 | |
| 194 if (width_ <= paddingLeft_ + paddingRight_ || | |
| 195 height_ <= paddingTop_ + paddingBottom_) | |
| 196 { | |
| 197 for (size_t i = 0; i < children_.size(); i++) | |
| 198 { | |
| 199 children_[i]->SetEmpty(); | |
| 200 } | |
| 201 } | |
| 202 else if (isHorizontal_) | |
| 203 { | |
| 204 unsigned int padding = paddingLeft_ + paddingRight_ + (children_.size() - 1) * paddingInternal_; | |
| 205 float childWidth = ((static_cast<float>(width_) - static_cast<float>(padding)) / | |
| 206 static_cast<float>(children_.size())); | |
| 207 | |
| 208 for (size_t i = 0; i < children_.size(); i++) | |
| 209 { | |
| 210 float left = static_cast<float>(paddingLeft_) + static_cast<float>(i) * (childWidth + internal); | |
| 211 float right = left + childWidth; | |
| 212 | |
| 213 if (left >= right) | |
| 214 { | |
| 215 children_[i]->SetEmpty(); | |
| 216 } | |
| 217 else | |
| 218 { | |
| 219 children_[i]->SetRectangle(static_cast<unsigned int>(left), | |
| 220 paddingTop_, | |
| 221 boost::math::iround(right - left), | |
| 222 height_ - paddingTop_ - paddingBottom_); | |
| 223 } | |
| 224 } | |
| 225 } | |
| 226 else | |
| 227 { | |
| 228 unsigned int padding = paddingTop_ + paddingBottom_ + (children_.size() - 1) * paddingInternal_; | |
| 229 float childHeight = ((static_cast<float>(height_) - static_cast<float>(padding)) / | |
| 230 static_cast<float>(children_.size())); | |
| 231 | |
| 232 for (size_t i = 0; i < children_.size(); i++) | |
| 233 { | |
| 234 float top = static_cast<float>(paddingTop_) + static_cast<float>(i) * (childHeight + internal); | |
| 235 float bottom = top + childHeight; | |
| 236 | |
| 237 if (top >= bottom) | |
| 238 { | |
| 239 children_[i]->SetEmpty(); | |
| 240 } | |
| 241 else | |
| 242 { | |
| 243 children_[i]->SetRectangle(paddingTop_, | |
| 244 static_cast<unsigned int>(top), | |
| 245 width_ - paddingLeft_ - paddingRight_, | |
| 246 boost::math::iround(bottom - top)); | |
| 247 } | |
| 248 } | |
| 249 } | |
| 250 | |
| 251 NotifyChange(*this); | |
| 252 } | |
| 253 | |
| 254 | |
| 255 LayoutWidget::LayoutWidget() : | |
| 256 isHorizontal_(true), | |
| 257 started_(false), | |
| 258 width_(0), | |
| 259 height_(0), | |
| 260 paddingLeft_(0), | |
| 261 paddingTop_(0), | |
| 262 paddingRight_(0), | |
| 263 paddingBottom_(0), | |
| 264 paddingInternal_(0) | |
| 265 { | |
| 266 } | |
| 267 | |
| 268 | |
| 269 LayoutWidget::~LayoutWidget() | |
| 270 { | |
| 271 for (size_t i = 0; i < children_.size(); i++) | |
| 272 { | |
| 273 children_[i]->GetWidget().Unregister(*this); | |
| 274 delete children_[i]; | |
| 275 } | |
| 276 } | |
| 277 | |
| 278 | |
| 279 void LayoutWidget::NotifyChange(const IWidget& widget) | |
| 280 { | |
| 281 // One of the children has changed | |
| 282 WidgetBase::NotifyChange(); | |
| 283 } | |
| 284 | |
| 285 | |
| 286 void LayoutWidget::SetHorizontal() | |
| 287 { | |
| 288 isHorizontal_ = true; | |
| 289 ComputeChildrenExtents(); | |
| 290 } | |
| 291 | |
| 292 | |
| 293 void LayoutWidget::SetVertical() | |
| 294 { | |
| 295 isHorizontal_ = false; | |
| 296 ComputeChildrenExtents(); | |
| 297 } | |
| 298 | |
| 299 | |
| 300 void LayoutWidget::SetPadding(unsigned int left, | |
| 301 unsigned int top, | |
| 302 unsigned int right, | |
| 303 unsigned int bottom, | |
| 304 unsigned int spacing) | |
| 305 { | |
| 306 paddingLeft_ = left; | |
| 307 paddingTop_ = top; | |
| 308 paddingRight_ = right; | |
| 309 paddingBottom_ = bottom; | |
| 310 paddingInternal_ = spacing; | |
| 311 } | |
| 312 | |
| 313 | |
| 314 void LayoutWidget::SetPadding(unsigned int padding) | |
| 315 { | |
| 316 paddingLeft_ = padding; | |
| 317 paddingTop_ = padding; | |
| 318 paddingRight_ = padding; | |
| 319 paddingBottom_ = padding; | |
| 320 paddingInternal_ = padding; | |
| 321 } | |
| 322 | |
| 323 | |
| 324 IWidget& LayoutWidget::AddWidget(IWidget* widget) // Takes ownership | |
| 325 { | |
| 326 if (started_) | |
| 327 { | |
| 328 LOG(ERROR) << "Cannot add child once Start() has been invoked"; | |
| 329 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
| 330 } | |
| 331 | |
| 332 if (widget == NULL) | |
| 333 { | |
| 334 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 335 } | |
| 336 | |
| 337 if (GetStatusBar() != NULL) | |
| 338 { | |
| 339 widget->SetStatusBar(*GetStatusBar()); | |
| 340 } | |
| 341 else | |
| 342 { | |
| 343 widget->ResetStatusBar(); | |
| 344 } | |
| 345 | |
| 346 children_.push_back(new ChildWidget(widget)); | |
| 347 widget->Register(*this); | |
| 348 | |
| 349 ComputeChildrenExtents(); | |
| 350 | |
| 351 return *widget; | |
| 352 } | |
| 353 | |
| 354 | |
| 355 void LayoutWidget::SetStatusBar(IStatusBar& statusBar) | |
| 356 { | |
| 357 WidgetBase::SetStatusBar(statusBar); | |
| 358 | |
| 359 for (size_t i = 0; i < children_.size(); i++) | |
| 360 { | |
| 361 children_[i]->GetWidget().SetStatusBar(statusBar); | |
| 362 } | |
| 363 } | |
| 364 | |
| 365 | |
| 366 void LayoutWidget::ResetStatusBar() | |
| 367 { | |
| 368 WidgetBase::ResetStatusBar(); | |
| 369 | |
| 370 for (size_t i = 0; i < children_.size(); i++) | |
| 371 { | |
| 372 children_[i]->GetWidget().ResetStatusBar(); | |
| 373 } | |
| 374 } | |
| 375 | |
| 376 | |
| 377 void LayoutWidget::Start() | |
| 378 { | |
| 379 for (size_t i = 0; i < children_.size(); i++) | |
| 380 { | |
| 381 children_[i]->GetWidget().Start(); | |
| 382 } | |
| 383 | |
| 384 WidgetBase::Start(); | |
| 385 } | |
| 386 | |
| 387 | |
| 388 void LayoutWidget::Stop() | |
| 389 { | |
| 390 WidgetBase::Stop(); | |
| 391 | |
| 392 for (size_t i = 0; i < children_.size(); i++) | |
| 393 { | |
| 394 children_[i]->GetWidget().Stop(); | |
| 395 } | |
| 396 } | |
| 397 | |
| 398 | |
| 399 void LayoutWidget::SetSize(unsigned int width, | |
| 400 unsigned int height) | |
| 401 { | |
| 402 width_ = width; | |
| 403 height_ = height; | |
| 404 ComputeChildrenExtents(); | |
| 405 } | |
| 406 | |
| 407 | |
| 408 bool LayoutWidget::Render(Orthanc::ImageAccessor& surface) | |
| 409 { | |
| 410 if (!WidgetBase::Render(surface)) | |
| 411 { | |
| 412 return false; | |
| 413 } | |
| 414 | |
| 415 for (size_t i = 0; i < children_.size(); i++) | |
| 416 { | |
| 417 if (!children_[i]->Render(surface)) | |
| 418 { | |
| 419 return false; | |
| 420 } | |
| 421 } | |
| 422 | |
| 423 return true; | |
| 424 } | |
| 425 | |
| 426 | |
| 427 IMouseTracker* LayoutWidget::CreateMouseTracker(MouseButton button, | |
| 428 int x, | |
| 429 int y, | |
| 430 KeyboardModifiers modifiers) | |
| 431 { | |
| 432 for (size_t i = 0; i < children_.size(); i++) | |
| 433 { | |
| 434 IMouseTracker* tracker = children_[i]->CreateMouseTracker(button, x, y, modifiers); | |
| 435 if (tracker != NULL) | |
| 436 { | |
| 437 return tracker; | |
| 438 } | |
| 439 } | |
| 440 | |
| 441 return NULL; | |
| 442 } | |
| 443 | |
| 444 | |
| 445 void LayoutWidget::RenderMouseOver(Orthanc::ImageAccessor& target, | |
| 446 int x, | |
| 447 int y) | |
| 448 { | |
| 449 for (size_t i = 0; i < children_.size(); i++) | |
| 450 { | |
| 451 children_[i]->RenderMouseOver(target, x, y); | |
| 452 } | |
| 453 } | |
| 454 | |
| 455 | |
| 456 void LayoutWidget::MouseWheel(MouseWheelDirection direction, | |
| 457 int x, | |
| 458 int y, | |
| 459 KeyboardModifiers modifiers) | |
| 460 { | |
| 461 for (size_t i = 0; i < children_.size(); i++) | |
| 462 { | |
| 463 children_[i]->MouseWheel(direction, x, y, modifiers); | |
| 464 } | |
| 465 } | |
| 466 | |
| 467 | |
| 468 void LayoutWidget::KeyPressed(char key, | |
| 469 KeyboardModifiers modifiers) | |
| 470 { | |
| 471 for (size_t i = 0; i < children_.size(); i++) | |
| 472 { | |
| 473 children_[i]->GetWidget().KeyPressed(key, modifiers); | |
| 474 } | |
| 475 } | |
| 476 } |