Mercurial > hg > orthanc-stone
annotate Framework/Widgets/LayoutWidget.cpp @ 113:2eca030792aa wasm
using the Orthanc Framework
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 20 Sep 2017 15:32:32 +0200 |
| parents | ca644004d2ee |
| children | e2fe9352f240 |
| 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 | |
|
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24 #include <Core/Logging.h> |
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25 #include <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 width_(0), | |
| 273 height_(0), | |
| 274 paddingLeft_(0), | |
| 275 paddingTop_(0), | |
| 276 paddingRight_(0), | |
| 277 paddingBottom_(0), | |
| 278 paddingInternal_(0) | |
| 279 { | |
| 280 } | |
| 281 | |
| 282 | |
| 283 LayoutWidget::~LayoutWidget() | |
| 284 { | |
| 285 for (size_t i = 0; i < children_.size(); i++) | |
| 286 { | |
| 287 delete children_[i]; | |
| 288 } | |
| 289 } | |
| 290 | |
| 291 | |
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292 void LayoutWidget::SetDefaultView() |
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293 { |
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294 for (size_t i = 0; i < children_.size(); i++) |
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295 { |
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296 children_[i]->GetWidget().SetDefaultView(); |
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297 } |
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298 } |
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299 |
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300 |
| 0 | 301 void LayoutWidget::NotifyChange(const IWidget& widget) |
| 302 { | |
| 303 // One of the children has changed | |
| 304 WidgetBase::NotifyChange(); | |
| 305 } | |
| 306 | |
| 307 | |
| 308 void LayoutWidget::SetHorizontal() | |
| 309 { | |
| 310 isHorizontal_ = true; | |
| 311 ComputeChildrenExtents(); | |
| 312 } | |
| 313 | |
| 314 | |
| 315 void LayoutWidget::SetVertical() | |
| 316 { | |
| 317 isHorizontal_ = false; | |
| 318 ComputeChildrenExtents(); | |
| 319 } | |
| 320 | |
| 321 | |
| 322 void LayoutWidget::SetPadding(unsigned int left, | |
| 323 unsigned int top, | |
| 324 unsigned int right, | |
| 325 unsigned int bottom, | |
| 326 unsigned int spacing) | |
| 327 { | |
| 328 paddingLeft_ = left; | |
| 329 paddingTop_ = top; | |
| 330 paddingRight_ = right; | |
| 331 paddingBottom_ = bottom; | |
| 332 paddingInternal_ = spacing; | |
| 333 } | |
| 334 | |
| 335 | |
| 336 void LayoutWidget::SetPadding(unsigned int padding) | |
| 337 { | |
| 338 paddingLeft_ = padding; | |
| 339 paddingTop_ = padding; | |
| 340 paddingRight_ = padding; | |
| 341 paddingBottom_ = padding; | |
| 342 paddingInternal_ = padding; | |
| 343 } | |
| 344 | |
| 345 | |
| 346 IWidget& LayoutWidget::AddWidget(IWidget* widget) // Takes ownership | |
| 347 { | |
| 348 if (widget == NULL) | |
| 349 { | |
| 350 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 351 } | |
| 352 | |
| 353 if (GetStatusBar() != NULL) | |
| 354 { | |
| 355 widget->SetStatusBar(*GetStatusBar()); | |
| 356 } | |
| 357 | |
| 358 children_.push_back(new ChildWidget(widget)); | |
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359 widget->SetParent(*this); |
| 0 | 360 |
| 361 ComputeChildrenExtents(); | |
| 362 | |
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363 if (widget->HasUpdateContent()) |
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364 { |
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365 hasUpdateContent_ = true; |
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366 } |
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367 |
| 0 | 368 return *widget; |
| 369 } | |
| 370 | |
| 371 | |
| 372 void LayoutWidget::SetStatusBar(IStatusBar& statusBar) | |
| 373 { | |
| 374 WidgetBase::SetStatusBar(statusBar); | |
| 375 | |
| 376 for (size_t i = 0; i < children_.size(); i++) | |
| 377 { | |
| 378 children_[i]->GetWidget().SetStatusBar(statusBar); | |
| 379 } | |
| 380 } | |
| 381 | |
| 382 | |
| 383 void LayoutWidget::SetSize(unsigned int width, | |
| 384 unsigned int height) | |
| 385 { | |
| 386 width_ = width; | |
| 387 height_ = height; | |
| 388 ComputeChildrenExtents(); | |
| 389 } | |
| 390 | |
| 391 | |
| 392 bool LayoutWidget::Render(Orthanc::ImageAccessor& surface) | |
| 393 { | |
| 394 if (!WidgetBase::Render(surface)) | |
| 395 { | |
| 396 return false; | |
| 397 } | |
| 398 | |
| 399 for (size_t i = 0; i < children_.size(); i++) | |
| 400 { | |
| 401 if (!children_[i]->Render(surface)) | |
| 402 { | |
| 403 return false; | |
| 404 } | |
| 405 } | |
| 406 | |
| 407 return true; | |
| 408 } | |
| 409 | |
| 410 | |
| 411 IMouseTracker* LayoutWidget::CreateMouseTracker(MouseButton button, | |
| 412 int x, | |
| 413 int y, | |
| 414 KeyboardModifiers modifiers) | |
| 415 { | |
| 416 for (size_t i = 0; i < children_.size(); i++) | |
| 417 { | |
| 418 IMouseTracker* tracker = children_[i]->CreateMouseTracker(button, x, y, modifiers); | |
| 419 if (tracker != NULL) | |
| 420 { | |
| 421 return tracker; | |
| 422 } | |
| 423 } | |
| 424 | |
| 425 return NULL; | |
| 426 } | |
| 427 | |
| 428 | |
| 429 void LayoutWidget::RenderMouseOver(Orthanc::ImageAccessor& target, | |
| 430 int x, | |
| 431 int y) | |
| 432 { | |
| 433 for (size_t i = 0; i < children_.size(); i++) | |
| 434 { | |
| 435 children_[i]->RenderMouseOver(target, x, y); | |
| 436 } | |
| 437 } | |
| 438 | |
| 439 | |
| 440 void LayoutWidget::MouseWheel(MouseWheelDirection direction, | |
| 441 int x, | |
| 442 int y, | |
| 443 KeyboardModifiers modifiers) | |
| 444 { | |
| 445 for (size_t i = 0; i < children_.size(); i++) | |
| 446 { | |
| 447 children_[i]->MouseWheel(direction, x, y, modifiers); | |
| 448 } | |
| 449 } | |
| 450 | |
| 451 | |
| 452 void LayoutWidget::KeyPressed(char key, | |
| 453 KeyboardModifiers modifiers) | |
| 454 { | |
| 455 for (size_t i = 0; i < children_.size(); i++) | |
| 456 { | |
| 457 children_[i]->GetWidget().KeyPressed(key, modifiers); | |
| 458 } | |
| 459 } | |
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460 |
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461 |
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462 void LayoutWidget::UpdateContent() |
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463 { |
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464 if (hasUpdateContent_) |
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465 { |
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466 for (size_t i = 0; i < children_.size(); i++) |
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467 { |
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468 children_[i]->UpdateContent(); |
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469 } |
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470 } |
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471 else |
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472 { |
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473 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); |
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474 } |
|
c2dc924f1a63
removing threading out of the framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
48
diff
changeset
|
475 } |
|
54
01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
53
diff
changeset
|
476 |
|
01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
53
diff
changeset
|
477 |
| 55 | 478 bool LayoutWidget::HasRenderMouseOver() |
|
54
01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
53
diff
changeset
|
479 { |
|
01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
53
diff
changeset
|
480 for (size_t i = 0; i < children_.size(); i++) |
|
01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
53
diff
changeset
|
481 { |
| 55 | 482 if (children_[i]->HasRenderMouseOver()) |
|
54
01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
53
diff
changeset
|
483 { |
|
01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
53
diff
changeset
|
484 return true; |
|
01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
53
diff
changeset
|
485 } |
|
01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
53
diff
changeset
|
486 } |
|
01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
53
diff
changeset
|
487 |
|
01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
53
diff
changeset
|
488 return false; |
|
01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
53
diff
changeset
|
489 } |
| 0 | 490 } |