Mercurial > hg > orthanc-stone
annotate Framework/Widgets/LayoutWidget.cpp @ 47:28956ed68280
agpl license
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 27 Apr 2017 11:00:15 +0200 |
| parents | 7207a407bcd8 |
| children | 25befef48c35 4cff7b1ed31d |
| 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 | |
|
40
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
16
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 void LayoutWidget::UpdateStep() | |
| 256 { | |
| 257 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 258 } | |
| 259 | |
| 260 | |
| 261 LayoutWidget::LayoutWidget() : | |
| 262 isHorizontal_(true), | |
| 263 started_(false), | |
| 264 width_(0), | |
| 265 height_(0), | |
| 266 paddingLeft_(0), | |
| 267 paddingTop_(0), | |
| 268 paddingRight_(0), | |
| 269 paddingBottom_(0), | |
| 270 paddingInternal_(0) | |
| 271 { | |
| 272 } | |
| 273 | |
| 274 | |
| 275 LayoutWidget::~LayoutWidget() | |
| 276 { | |
| 277 for (size_t i = 0; i < children_.size(); i++) | |
| 278 { | |
| 279 children_[i]->GetWidget().Unregister(*this); | |
| 280 delete children_[i]; | |
| 281 } | |
| 282 } | |
| 283 | |
| 284 | |
| 285 void LayoutWidget::NotifyChange(const IWidget& widget) | |
| 286 { | |
| 287 // One of the children has changed | |
| 288 WidgetBase::NotifyChange(); | |
| 289 } | |
| 290 | |
| 291 | |
| 292 void LayoutWidget::SetHorizontal() | |
| 293 { | |
| 294 isHorizontal_ = true; | |
| 295 ComputeChildrenExtents(); | |
| 296 } | |
| 297 | |
| 298 | |
| 299 void LayoutWidget::SetVertical() | |
| 300 { | |
| 301 isHorizontal_ = false; | |
| 302 ComputeChildrenExtents(); | |
| 303 } | |
| 304 | |
| 305 | |
| 306 void LayoutWidget::SetPadding(unsigned int left, | |
| 307 unsigned int top, | |
| 308 unsigned int right, | |
| 309 unsigned int bottom, | |
| 310 unsigned int spacing) | |
| 311 { | |
| 312 paddingLeft_ = left; | |
| 313 paddingTop_ = top; | |
| 314 paddingRight_ = right; | |
| 315 paddingBottom_ = bottom; | |
| 316 paddingInternal_ = spacing; | |
| 317 } | |
| 318 | |
| 319 | |
| 320 void LayoutWidget::SetPadding(unsigned int padding) | |
| 321 { | |
| 322 paddingLeft_ = padding; | |
| 323 paddingTop_ = padding; | |
| 324 paddingRight_ = padding; | |
| 325 paddingBottom_ = padding; | |
| 326 paddingInternal_ = padding; | |
| 327 } | |
| 328 | |
| 329 | |
| 330 IWidget& LayoutWidget::AddWidget(IWidget* widget) // Takes ownership | |
| 331 { | |
| 332 if (started_) | |
| 333 { | |
| 334 LOG(ERROR) << "Cannot add child once Start() has been invoked"; | |
| 335 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
| 336 } | |
| 337 | |
| 338 if (widget == NULL) | |
| 339 { | |
| 340 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 341 } | |
| 342 | |
| 343 if (GetStatusBar() != NULL) | |
| 344 { | |
| 345 widget->SetStatusBar(*GetStatusBar()); | |
| 346 } | |
| 347 else | |
| 348 { | |
| 349 widget->ResetStatusBar(); | |
| 350 } | |
| 351 | |
| 352 children_.push_back(new ChildWidget(widget)); | |
| 353 widget->Register(*this); | |
| 354 | |
| 355 ComputeChildrenExtents(); | |
| 356 | |
| 357 return *widget; | |
| 358 } | |
| 359 | |
| 360 | |
| 361 void LayoutWidget::SetStatusBar(IStatusBar& statusBar) | |
| 362 { | |
| 363 WidgetBase::SetStatusBar(statusBar); | |
| 364 | |
| 365 for (size_t i = 0; i < children_.size(); i++) | |
| 366 { | |
| 367 children_[i]->GetWidget().SetStatusBar(statusBar); | |
| 368 } | |
| 369 } | |
| 370 | |
| 371 | |
| 372 void LayoutWidget::ResetStatusBar() | |
| 373 { | |
| 374 WidgetBase::ResetStatusBar(); | |
| 375 | |
| 376 for (size_t i = 0; i < children_.size(); i++) | |
| 377 { | |
| 378 children_[i]->GetWidget().ResetStatusBar(); | |
| 379 } | |
| 380 } | |
| 381 | |
| 382 | |
| 383 void LayoutWidget::Start() | |
| 384 { | |
| 385 for (size_t i = 0; i < children_.size(); i++) | |
| 386 { | |
| 387 children_[i]->GetWidget().Start(); | |
| 388 } | |
| 389 | |
| 390 WidgetBase::Start(); | |
| 391 } | |
| 392 | |
| 393 | |
| 394 void LayoutWidget::Stop() | |
| 395 { | |
| 396 WidgetBase::Stop(); | |
| 397 | |
| 398 for (size_t i = 0; i < children_.size(); i++) | |
| 399 { | |
| 400 children_[i]->GetWidget().Stop(); | |
| 401 } | |
| 402 } | |
| 403 | |
| 404 | |
| 405 void LayoutWidget::SetSize(unsigned int width, | |
| 406 unsigned int height) | |
| 407 { | |
| 408 width_ = width; | |
| 409 height_ = height; | |
| 410 ComputeChildrenExtents(); | |
| 411 } | |
| 412 | |
| 413 | |
| 414 bool LayoutWidget::Render(Orthanc::ImageAccessor& surface) | |
| 415 { | |
| 416 if (!WidgetBase::Render(surface)) | |
| 417 { | |
| 418 return false; | |
| 419 } | |
| 420 | |
| 421 for (size_t i = 0; i < children_.size(); i++) | |
| 422 { | |
| 423 if (!children_[i]->Render(surface)) | |
| 424 { | |
| 425 return false; | |
| 426 } | |
| 427 } | |
| 428 | |
| 429 return true; | |
| 430 } | |
| 431 | |
| 432 | |
| 433 IMouseTracker* LayoutWidget::CreateMouseTracker(MouseButton button, | |
| 434 int x, | |
| 435 int y, | |
| 436 KeyboardModifiers modifiers) | |
| 437 { | |
| 438 for (size_t i = 0; i < children_.size(); i++) | |
| 439 { | |
| 440 IMouseTracker* tracker = children_[i]->CreateMouseTracker(button, x, y, modifiers); | |
| 441 if (tracker != NULL) | |
| 442 { | |
| 443 return tracker; | |
| 444 } | |
| 445 } | |
| 446 | |
| 447 return NULL; | |
| 448 } | |
| 449 | |
| 450 | |
| 451 void LayoutWidget::RenderMouseOver(Orthanc::ImageAccessor& target, | |
| 452 int x, | |
| 453 int y) | |
| 454 { | |
| 455 for (size_t i = 0; i < children_.size(); i++) | |
| 456 { | |
| 457 children_[i]->RenderMouseOver(target, x, y); | |
| 458 } | |
| 459 } | |
| 460 | |
| 461 | |
| 462 void LayoutWidget::MouseWheel(MouseWheelDirection direction, | |
| 463 int x, | |
| 464 int y, | |
| 465 KeyboardModifiers modifiers) | |
| 466 { | |
| 467 for (size_t i = 0; i < children_.size(); i++) | |
| 468 { | |
| 469 children_[i]->MouseWheel(direction, x, y, modifiers); | |
| 470 } | |
| 471 } | |
| 472 | |
| 473 | |
| 474 void LayoutWidget::KeyPressed(char key, | |
| 475 KeyboardModifiers modifiers) | |
| 476 { | |
| 477 for (size_t i = 0; i < children_.size(); i++) | |
| 478 { | |
| 479 children_[i]->GetWidget().KeyPressed(key, modifiers); | |
| 480 } | |
| 481 } | |
| 482 } |