Mercurial > hg > orthanc-stone
annotate Framework/Widgets/LayoutWidget.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 "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_; | |
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85 bool hasUpdate_; |
| 0 | 86 |
| 87 public: | |
| 88 ChildWidget(IWidget* widget) : | |
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89 widget_(widget), |
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90 hasUpdate_(widget->HasUpdateContent()) |
| 0 | 91 { |
| 92 assert(widget != NULL); | |
| 93 SetEmpty(); | |
| 94 } | |
| 95 | |
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96 void UpdateContent() |
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97 { |
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98 if (hasUpdate_) |
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99 { |
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100 widget_->UpdateContent(); |
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101 } |
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102 } |
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103 |
| 0 | 104 IWidget& GetWidget() const |
| 105 { | |
| 106 return *widget_; | |
| 107 } | |
| 108 | |
| 109 void SetRectangle(unsigned int left, | |
| 110 unsigned int top, | |
| 111 unsigned int width, | |
| 112 unsigned int height) | |
| 113 { | |
| 114 left_ = left; | |
| 115 top_ = top; | |
| 116 width_ = width; | |
| 117 height_ = height; | |
| 118 | |
| 119 widget_->SetSize(width, height); | |
| 120 } | |
| 121 | |
| 122 void SetEmpty() | |
| 123 { | |
| 124 SetRectangle(0, 0, 0, 0); | |
| 125 } | |
| 126 | |
| 127 bool Contains(int x, | |
| 128 int y) const | |
| 129 { | |
| 130 return (x >= left_ && | |
| 131 y >= top_ && | |
| 132 x < left_ + static_cast<int>(width_) && | |
| 133 y < top_ + static_cast<int>(height_)); | |
| 134 } | |
| 135 | |
| 136 bool Render(Orthanc::ImageAccessor& target) | |
| 137 { | |
| 138 if (width_ == 0 || | |
| 139 height_ == 0) | |
| 140 { | |
| 141 return true; | |
| 142 } | |
| 143 else | |
| 144 { | |
| 145 Orthanc::ImageAccessor accessor = target.GetRegion(left_, top_, width_, height_); | |
| 146 return widget_->Render(accessor); | |
| 147 } | |
| 148 } | |
| 149 | |
| 150 IMouseTracker* CreateMouseTracker(MouseButton button, | |
| 151 int x, | |
| 152 int y, | |
| 153 KeyboardModifiers modifiers) | |
| 154 { | |
| 155 if (Contains(x, y)) | |
| 156 { | |
| 157 IMouseTracker* tracker = widget_->CreateMouseTracker(button, | |
| 158 x - left_, | |
| 159 y - top_, | |
| 160 modifiers); | |
| 161 if (tracker) | |
| 162 { | |
| 163 return new LayoutMouseTracker(tracker, left_, top_, width_, height_); | |
| 164 } | |
| 165 } | |
| 166 | |
| 167 return NULL; | |
| 168 } | |
| 169 | |
| 170 void RenderMouseOver(Orthanc::ImageAccessor& target, | |
| 171 int x, | |
| 172 int y) | |
| 173 { | |
| 174 if (Contains(x, y)) | |
| 175 { | |
| 176 Orthanc::ImageAccessor accessor = target.GetRegion(left_, top_, width_, height_); | |
| 177 | |
| 178 widget_->RenderMouseOver(accessor, x - left_, y - top_); | |
| 179 } | |
| 180 } | |
| 181 | |
| 182 void MouseWheel(MouseWheelDirection direction, | |
| 183 int x, | |
| 184 int y, | |
| 185 KeyboardModifiers modifiers) | |
| 186 { | |
| 187 if (Contains(x, y)) | |
| 188 { | |
| 189 widget_->MouseWheel(direction, x - left_, y - top_, modifiers); | |
| 190 } | |
| 191 } | |
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192 |
| 55 | 193 bool HasRenderMouseOver() |
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194 { |
| 55 | 195 return widget_->HasRenderMouseOver(); |
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196 } |
| 0 | 197 }; |
| 198 | |
| 199 | |
| 200 void LayoutWidget::ComputeChildrenExtents() | |
| 201 { | |
| 202 if (children_.size() == 0) | |
| 203 { | |
| 204 return; | |
| 205 } | |
| 206 | |
| 207 float internal = static_cast<float>(paddingInternal_); | |
| 208 | |
| 209 if (width_ <= paddingLeft_ + paddingRight_ || | |
| 210 height_ <= paddingTop_ + paddingBottom_) | |
| 211 { | |
| 212 for (size_t i = 0; i < children_.size(); i++) | |
| 213 { | |
| 214 children_[i]->SetEmpty(); | |
| 215 } | |
| 216 } | |
| 217 else if (isHorizontal_) | |
| 218 { | |
| 219 unsigned int padding = paddingLeft_ + paddingRight_ + (children_.size() - 1) * paddingInternal_; | |
| 220 float childWidth = ((static_cast<float>(width_) - static_cast<float>(padding)) / | |
| 221 static_cast<float>(children_.size())); | |
| 222 | |
| 223 for (size_t i = 0; i < children_.size(); i++) | |
| 224 { | |
| 225 float left = static_cast<float>(paddingLeft_) + static_cast<float>(i) * (childWidth + internal); | |
| 226 float right = left + childWidth; | |
| 227 | |
| 228 if (left >= right) | |
| 229 { | |
| 230 children_[i]->SetEmpty(); | |
| 231 } | |
| 232 else | |
| 233 { | |
| 234 children_[i]->SetRectangle(static_cast<unsigned int>(left), | |
| 235 paddingTop_, | |
| 236 boost::math::iround(right - left), | |
| 237 height_ - paddingTop_ - paddingBottom_); | |
| 238 } | |
| 239 } | |
| 240 } | |
| 241 else | |
| 242 { | |
| 243 unsigned int padding = paddingTop_ + paddingBottom_ + (children_.size() - 1) * paddingInternal_; | |
| 244 float childHeight = ((static_cast<float>(height_) - static_cast<float>(padding)) / | |
| 245 static_cast<float>(children_.size())); | |
| 246 | |
| 247 for (size_t i = 0; i < children_.size(); i++) | |
| 248 { | |
| 249 float top = static_cast<float>(paddingTop_) + static_cast<float>(i) * (childHeight + internal); | |
| 250 float bottom = top + childHeight; | |
| 251 | |
| 252 if (top >= bottom) | |
| 253 { | |
| 254 children_[i]->SetEmpty(); | |
| 255 } | |
| 256 else | |
| 257 { | |
| 258 children_[i]->SetRectangle(paddingTop_, | |
| 259 static_cast<unsigned int>(top), | |
| 260 width_ - paddingLeft_ - paddingRight_, | |
| 261 boost::math::iround(bottom - top)); | |
| 262 } | |
| 263 } | |
| 264 } | |
| 265 | |
| 266 NotifyChange(*this); | |
| 267 } | |
| 268 | |
| 269 | |
| 270 LayoutWidget::LayoutWidget() : | |
| 271 isHorizontal_(true), | |
| 272 started_(false), | |
| 273 width_(0), | |
| 274 height_(0), | |
| 275 paddingLeft_(0), | |
| 276 paddingTop_(0), | |
| 277 paddingRight_(0), | |
| 278 paddingBottom_(0), | |
| 279 paddingInternal_(0) | |
| 280 { | |
| 281 } | |
| 282 | |
| 283 | |
| 284 LayoutWidget::~LayoutWidget() | |
| 285 { | |
| 286 for (size_t i = 0; i < children_.size(); i++) | |
| 287 { | |
| 288 children_[i]->GetWidget().Unregister(*this); | |
| 289 delete children_[i]; | |
| 290 } | |
| 291 } | |
| 292 | |
| 293 | |
| 294 void LayoutWidget::NotifyChange(const IWidget& widget) | |
| 295 { | |
| 296 // One of the children has changed | |
| 297 WidgetBase::NotifyChange(); | |
| 298 } | |
| 299 | |
| 300 | |
| 301 void LayoutWidget::SetHorizontal() | |
| 302 { | |
| 303 isHorizontal_ = true; | |
| 304 ComputeChildrenExtents(); | |
| 305 } | |
| 306 | |
| 307 | |
| 308 void LayoutWidget::SetVertical() | |
| 309 { | |
| 310 isHorizontal_ = false; | |
| 311 ComputeChildrenExtents(); | |
| 312 } | |
| 313 | |
| 314 | |
| 315 void LayoutWidget::SetPadding(unsigned int left, | |
| 316 unsigned int top, | |
| 317 unsigned int right, | |
| 318 unsigned int bottom, | |
| 319 unsigned int spacing) | |
| 320 { | |
| 321 paddingLeft_ = left; | |
| 322 paddingTop_ = top; | |
| 323 paddingRight_ = right; | |
| 324 paddingBottom_ = bottom; | |
| 325 paddingInternal_ = spacing; | |
| 326 } | |
| 327 | |
| 328 | |
| 329 void LayoutWidget::SetPadding(unsigned int padding) | |
| 330 { | |
| 331 paddingLeft_ = padding; | |
| 332 paddingTop_ = padding; | |
| 333 paddingRight_ = padding; | |
| 334 paddingBottom_ = padding; | |
| 335 paddingInternal_ = padding; | |
| 336 } | |
| 337 | |
| 338 | |
| 339 IWidget& LayoutWidget::AddWidget(IWidget* widget) // Takes ownership | |
| 340 { | |
| 341 if (started_) | |
| 342 { | |
| 343 LOG(ERROR) << "Cannot add child once Start() has been invoked"; | |
| 344 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
| 345 } | |
| 346 | |
| 347 if (widget == NULL) | |
| 348 { | |
| 349 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 350 } | |
| 351 | |
| 352 if (GetStatusBar() != NULL) | |
| 353 { | |
| 354 widget->SetStatusBar(*GetStatusBar()); | |
| 355 } | |
| 356 else | |
| 357 { | |
| 358 widget->ResetStatusBar(); | |
| 359 } | |
| 360 | |
| 361 children_.push_back(new ChildWidget(widget)); | |
| 362 widget->Register(*this); | |
| 363 | |
| 364 ComputeChildrenExtents(); | |
| 365 | |
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366 if (widget->HasUpdateContent()) |
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367 { |
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368 hasUpdateContent_ = true; |
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369 } |
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370 |
| 0 | 371 return *widget; |
| 372 } | |
| 373 | |
| 374 | |
| 375 void LayoutWidget::SetStatusBar(IStatusBar& statusBar) | |
| 376 { | |
| 377 WidgetBase::SetStatusBar(statusBar); | |
| 378 | |
| 379 for (size_t i = 0; i < children_.size(); i++) | |
| 380 { | |
| 381 children_[i]->GetWidget().SetStatusBar(statusBar); | |
| 382 } | |
| 383 } | |
| 384 | |
| 385 | |
| 386 void LayoutWidget::ResetStatusBar() | |
| 387 { | |
| 388 WidgetBase::ResetStatusBar(); | |
| 389 | |
| 390 for (size_t i = 0; i < children_.size(); i++) | |
| 391 { | |
| 392 children_[i]->GetWidget().ResetStatusBar(); | |
| 393 } | |
| 394 } | |
| 395 | |
| 396 | |
| 397 void LayoutWidget::Start() | |
| 398 { | |
| 399 for (size_t i = 0; i < children_.size(); i++) | |
| 400 { | |
| 401 children_[i]->GetWidget().Start(); | |
| 402 } | |
| 403 | |
| 404 WidgetBase::Start(); | |
| 405 } | |
| 406 | |
| 407 | |
| 408 void LayoutWidget::Stop() | |
| 409 { | |
| 410 WidgetBase::Stop(); | |
| 411 | |
| 412 for (size_t i = 0; i < children_.size(); i++) | |
| 413 { | |
| 414 children_[i]->GetWidget().Stop(); | |
| 415 } | |
| 416 } | |
| 417 | |
| 418 | |
| 419 void LayoutWidget::SetSize(unsigned int width, | |
| 420 unsigned int height) | |
| 421 { | |
| 422 width_ = width; | |
| 423 height_ = height; | |
| 424 ComputeChildrenExtents(); | |
| 425 } | |
| 426 | |
| 427 | |
| 428 bool LayoutWidget::Render(Orthanc::ImageAccessor& surface) | |
| 429 { | |
| 430 if (!WidgetBase::Render(surface)) | |
| 431 { | |
| 432 return false; | |
| 433 } | |
| 434 | |
| 435 for (size_t i = 0; i < children_.size(); i++) | |
| 436 { | |
| 437 if (!children_[i]->Render(surface)) | |
| 438 { | |
| 439 return false; | |
| 440 } | |
| 441 } | |
| 442 | |
| 443 return true; | |
| 444 } | |
| 445 | |
| 446 | |
| 447 IMouseTracker* LayoutWidget::CreateMouseTracker(MouseButton button, | |
| 448 int x, | |
| 449 int y, | |
| 450 KeyboardModifiers modifiers) | |
| 451 { | |
| 452 for (size_t i = 0; i < children_.size(); i++) | |
| 453 { | |
| 454 IMouseTracker* tracker = children_[i]->CreateMouseTracker(button, x, y, modifiers); | |
| 455 if (tracker != NULL) | |
| 456 { | |
| 457 return tracker; | |
| 458 } | |
| 459 } | |
| 460 | |
| 461 return NULL; | |
| 462 } | |
| 463 | |
| 464 | |
| 465 void LayoutWidget::RenderMouseOver(Orthanc::ImageAccessor& target, | |
| 466 int x, | |
| 467 int y) | |
| 468 { | |
| 469 for (size_t i = 0; i < children_.size(); i++) | |
| 470 { | |
| 471 children_[i]->RenderMouseOver(target, x, y); | |
| 472 } | |
| 473 } | |
| 474 | |
| 475 | |
| 476 void LayoutWidget::MouseWheel(MouseWheelDirection direction, | |
| 477 int x, | |
| 478 int y, | |
| 479 KeyboardModifiers modifiers) | |
| 480 { | |
| 481 for (size_t i = 0; i < children_.size(); i++) | |
| 482 { | |
| 483 children_[i]->MouseWheel(direction, x, y, modifiers); | |
| 484 } | |
| 485 } | |
| 486 | |
| 487 | |
| 488 void LayoutWidget::KeyPressed(char key, | |
| 489 KeyboardModifiers modifiers) | |
| 490 { | |
| 491 for (size_t i = 0; i < children_.size(); i++) | |
| 492 { | |
| 493 children_[i]->GetWidget().KeyPressed(key, modifiers); | |
| 494 } | |
| 495 } | |
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496 |
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497 |
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498 void LayoutWidget::UpdateContent() |
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499 { |
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500 if (hasUpdateContent_) |
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501 { |
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502 for (size_t i = 0; i < children_.size(); i++) |
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503 { |
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504 children_[i]->UpdateContent(); |
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505 } |
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506 } |
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507 else |
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508 { |
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509 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); |
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510 } |
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511 } |
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512 |
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513 |
| 55 | 514 bool LayoutWidget::HasRenderMouseOver() |
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515 { |
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516 for (size_t i = 0; i < children_.size(); i++) |
|
01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
53
diff
changeset
|
517 { |
| 55 | 518 if (children_[i]->HasRenderMouseOver()) |
|
54
01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
53
diff
changeset
|
519 { |
|
01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
53
diff
changeset
|
520 return true; |
|
01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
53
diff
changeset
|
521 } |
|
01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
53
diff
changeset
|
522 } |
|
01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
53
diff
changeset
|
523 |
|
01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
53
diff
changeset
|
524 return false; |
|
01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
53
diff
changeset
|
525 } |
| 0 | 526 } |