Mercurial > hg > orthanc-stone
annotate Framework/Widgets/LayoutWidget.cpp @ 54:01aa453d4d5b wasm
IWidget::HasRenderMouseOver
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 27 Apr 2017 17:49:29 +0200 |
| parents | c2dc924f1a63 |
| children | f0f354a97581 |
| 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 |
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193 bool HasRenderMouseOver(int x, |
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194 int y) |
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195 { |
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196 if (Contains(x, y)) |
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197 { |
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198 return widget_->HasRenderMouseOver(x - left_, y - top_); |
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199 } |
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200 else |
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201 { |
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202 return false; |
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203 } |
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204 } |
| 0 | 205 }; |
| 206 | |
| 207 | |
| 208 void LayoutWidget::ComputeChildrenExtents() | |
| 209 { | |
| 210 if (children_.size() == 0) | |
| 211 { | |
| 212 return; | |
| 213 } | |
| 214 | |
| 215 float internal = static_cast<float>(paddingInternal_); | |
| 216 | |
| 217 if (width_ <= paddingLeft_ + paddingRight_ || | |
| 218 height_ <= paddingTop_ + paddingBottom_) | |
| 219 { | |
| 220 for (size_t i = 0; i < children_.size(); i++) | |
| 221 { | |
| 222 children_[i]->SetEmpty(); | |
| 223 } | |
| 224 } | |
| 225 else if (isHorizontal_) | |
| 226 { | |
| 227 unsigned int padding = paddingLeft_ + paddingRight_ + (children_.size() - 1) * paddingInternal_; | |
| 228 float childWidth = ((static_cast<float>(width_) - static_cast<float>(padding)) / | |
| 229 static_cast<float>(children_.size())); | |
| 230 | |
| 231 for (size_t i = 0; i < children_.size(); i++) | |
| 232 { | |
| 233 float left = static_cast<float>(paddingLeft_) + static_cast<float>(i) * (childWidth + internal); | |
| 234 float right = left + childWidth; | |
| 235 | |
| 236 if (left >= right) | |
| 237 { | |
| 238 children_[i]->SetEmpty(); | |
| 239 } | |
| 240 else | |
| 241 { | |
| 242 children_[i]->SetRectangle(static_cast<unsigned int>(left), | |
| 243 paddingTop_, | |
| 244 boost::math::iround(right - left), | |
| 245 height_ - paddingTop_ - paddingBottom_); | |
| 246 } | |
| 247 } | |
| 248 } | |
| 249 else | |
| 250 { | |
| 251 unsigned int padding = paddingTop_ + paddingBottom_ + (children_.size() - 1) * paddingInternal_; | |
| 252 float childHeight = ((static_cast<float>(height_) - static_cast<float>(padding)) / | |
| 253 static_cast<float>(children_.size())); | |
| 254 | |
| 255 for (size_t i = 0; i < children_.size(); i++) | |
| 256 { | |
| 257 float top = static_cast<float>(paddingTop_) + static_cast<float>(i) * (childHeight + internal); | |
| 258 float bottom = top + childHeight; | |
| 259 | |
| 260 if (top >= bottom) | |
| 261 { | |
| 262 children_[i]->SetEmpty(); | |
| 263 } | |
| 264 else | |
| 265 { | |
| 266 children_[i]->SetRectangle(paddingTop_, | |
| 267 static_cast<unsigned int>(top), | |
| 268 width_ - paddingLeft_ - paddingRight_, | |
| 269 boost::math::iround(bottom - top)); | |
| 270 } | |
| 271 } | |
| 272 } | |
| 273 | |
| 274 NotifyChange(*this); | |
| 275 } | |
| 276 | |
| 277 | |
| 278 LayoutWidget::LayoutWidget() : | |
| 279 isHorizontal_(true), | |
| 280 started_(false), | |
| 281 width_(0), | |
| 282 height_(0), | |
| 283 paddingLeft_(0), | |
| 284 paddingTop_(0), | |
| 285 paddingRight_(0), | |
| 286 paddingBottom_(0), | |
| 287 paddingInternal_(0) | |
| 288 { | |
| 289 } | |
| 290 | |
| 291 | |
| 292 LayoutWidget::~LayoutWidget() | |
| 293 { | |
| 294 for (size_t i = 0; i < children_.size(); i++) | |
| 295 { | |
| 296 children_[i]->GetWidget().Unregister(*this); | |
| 297 delete children_[i]; | |
| 298 } | |
| 299 } | |
| 300 | |
| 301 | |
| 302 void LayoutWidget::NotifyChange(const IWidget& widget) | |
| 303 { | |
| 304 // One of the children has changed | |
| 305 WidgetBase::NotifyChange(); | |
| 306 } | |
| 307 | |
| 308 | |
| 309 void LayoutWidget::SetHorizontal() | |
| 310 { | |
| 311 isHorizontal_ = true; | |
| 312 ComputeChildrenExtents(); | |
| 313 } | |
| 314 | |
| 315 | |
| 316 void LayoutWidget::SetVertical() | |
| 317 { | |
| 318 isHorizontal_ = false; | |
| 319 ComputeChildrenExtents(); | |
| 320 } | |
| 321 | |
| 322 | |
| 323 void LayoutWidget::SetPadding(unsigned int left, | |
| 324 unsigned int top, | |
| 325 unsigned int right, | |
| 326 unsigned int bottom, | |
| 327 unsigned int spacing) | |
| 328 { | |
| 329 paddingLeft_ = left; | |
| 330 paddingTop_ = top; | |
| 331 paddingRight_ = right; | |
| 332 paddingBottom_ = bottom; | |
| 333 paddingInternal_ = spacing; | |
| 334 } | |
| 335 | |
| 336 | |
| 337 void LayoutWidget::SetPadding(unsigned int padding) | |
| 338 { | |
| 339 paddingLeft_ = padding; | |
| 340 paddingTop_ = padding; | |
| 341 paddingRight_ = padding; | |
| 342 paddingBottom_ = padding; | |
| 343 paddingInternal_ = padding; | |
| 344 } | |
| 345 | |
| 346 | |
| 347 IWidget& LayoutWidget::AddWidget(IWidget* widget) // Takes ownership | |
| 348 { | |
| 349 if (started_) | |
| 350 { | |
| 351 LOG(ERROR) << "Cannot add child once Start() has been invoked"; | |
| 352 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
| 353 } | |
| 354 | |
| 355 if (widget == NULL) | |
| 356 { | |
| 357 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 358 } | |
| 359 | |
| 360 if (GetStatusBar() != NULL) | |
| 361 { | |
| 362 widget->SetStatusBar(*GetStatusBar()); | |
| 363 } | |
| 364 else | |
| 365 { | |
| 366 widget->ResetStatusBar(); | |
| 367 } | |
| 368 | |
| 369 children_.push_back(new ChildWidget(widget)); | |
| 370 widget->Register(*this); | |
| 371 | |
| 372 ComputeChildrenExtents(); | |
| 373 | |
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374 if (widget->HasUpdateContent()) |
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375 { |
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376 hasUpdateContent_ = true; |
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377 } |
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378 |
| 0 | 379 return *widget; |
| 380 } | |
| 381 | |
| 382 | |
| 383 void LayoutWidget::SetStatusBar(IStatusBar& statusBar) | |
| 384 { | |
| 385 WidgetBase::SetStatusBar(statusBar); | |
| 386 | |
| 387 for (size_t i = 0; i < children_.size(); i++) | |
| 388 { | |
| 389 children_[i]->GetWidget().SetStatusBar(statusBar); | |
| 390 } | |
| 391 } | |
| 392 | |
| 393 | |
| 394 void LayoutWidget::ResetStatusBar() | |
| 395 { | |
| 396 WidgetBase::ResetStatusBar(); | |
| 397 | |
| 398 for (size_t i = 0; i < children_.size(); i++) | |
| 399 { | |
| 400 children_[i]->GetWidget().ResetStatusBar(); | |
| 401 } | |
| 402 } | |
| 403 | |
| 404 | |
| 405 void LayoutWidget::Start() | |
| 406 { | |
| 407 for (size_t i = 0; i < children_.size(); i++) | |
| 408 { | |
| 409 children_[i]->GetWidget().Start(); | |
| 410 } | |
| 411 | |
| 412 WidgetBase::Start(); | |
| 413 } | |
| 414 | |
| 415 | |
| 416 void LayoutWidget::Stop() | |
| 417 { | |
| 418 WidgetBase::Stop(); | |
| 419 | |
| 420 for (size_t i = 0; i < children_.size(); i++) | |
| 421 { | |
| 422 children_[i]->GetWidget().Stop(); | |
| 423 } | |
| 424 } | |
| 425 | |
| 426 | |
| 427 void LayoutWidget::SetSize(unsigned int width, | |
| 428 unsigned int height) | |
| 429 { | |
| 430 width_ = width; | |
| 431 height_ = height; | |
| 432 ComputeChildrenExtents(); | |
| 433 } | |
| 434 | |
| 435 | |
| 436 bool LayoutWidget::Render(Orthanc::ImageAccessor& surface) | |
| 437 { | |
| 438 if (!WidgetBase::Render(surface)) | |
| 439 { | |
| 440 return false; | |
| 441 } | |
| 442 | |
| 443 for (size_t i = 0; i < children_.size(); i++) | |
| 444 { | |
| 445 if (!children_[i]->Render(surface)) | |
| 446 { | |
| 447 return false; | |
| 448 } | |
| 449 } | |
| 450 | |
| 451 return true; | |
| 452 } | |
| 453 | |
| 454 | |
| 455 IMouseTracker* LayoutWidget::CreateMouseTracker(MouseButton button, | |
| 456 int x, | |
| 457 int y, | |
| 458 KeyboardModifiers modifiers) | |
| 459 { | |
| 460 for (size_t i = 0; i < children_.size(); i++) | |
| 461 { | |
| 462 IMouseTracker* tracker = children_[i]->CreateMouseTracker(button, x, y, modifiers); | |
| 463 if (tracker != NULL) | |
| 464 { | |
| 465 return tracker; | |
| 466 } | |
| 467 } | |
| 468 | |
| 469 return NULL; | |
| 470 } | |
| 471 | |
| 472 | |
| 473 void LayoutWidget::RenderMouseOver(Orthanc::ImageAccessor& target, | |
| 474 int x, | |
| 475 int y) | |
| 476 { | |
| 477 for (size_t i = 0; i < children_.size(); i++) | |
| 478 { | |
| 479 children_[i]->RenderMouseOver(target, x, y); | |
| 480 } | |
| 481 } | |
| 482 | |
| 483 | |
| 484 void LayoutWidget::MouseWheel(MouseWheelDirection direction, | |
| 485 int x, | |
| 486 int y, | |
| 487 KeyboardModifiers modifiers) | |
| 488 { | |
| 489 for (size_t i = 0; i < children_.size(); i++) | |
| 490 { | |
| 491 children_[i]->MouseWheel(direction, x, y, modifiers); | |
| 492 } | |
| 493 } | |
| 494 | |
| 495 | |
| 496 void LayoutWidget::KeyPressed(char key, | |
| 497 KeyboardModifiers modifiers) | |
| 498 { | |
| 499 for (size_t i = 0; i < children_.size(); i++) | |
| 500 { | |
| 501 children_[i]->GetWidget().KeyPressed(key, modifiers); | |
| 502 } | |
| 503 } | |
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504 |
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505 |
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506 void LayoutWidget::UpdateContent() |
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507 { |
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508 if (hasUpdateContent_) |
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509 { |
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510 for (size_t i = 0; i < children_.size(); i++) |
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511 { |
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512 children_[i]->UpdateContent(); |
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513 } |
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514 } |
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c2dc924f1a63
removing threading out of the framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
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515 else |
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c2dc924f1a63
removing threading out of the framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
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516 { |
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c2dc924f1a63
removing threading out of the framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
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517 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); |
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c2dc924f1a63
removing threading out of the framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
48
diff
changeset
|
518 } |
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c2dc924f1a63
removing threading out of the framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
519 } |
|
54
01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
53
diff
changeset
|
520 |
|
01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
53
diff
changeset
|
521 |
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01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
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522 bool LayoutWidget::HasRenderMouseOver(int x, |
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01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
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523 int y) |
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01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
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524 { |
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01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
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525 for (size_t i = 0; i < children_.size(); i++) |
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01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
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526 { |
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01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
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527 if (children_[i]->HasRenderMouseOver(x, y)) |
|
01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
53
diff
changeset
|
528 { |
|
01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
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529 return true; |
|
01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
530 } |
|
01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
531 } |
|
01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
53
diff
changeset
|
532 |
|
01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
533 return false; |
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01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
534 } |
| 0 | 535 } |