Mercurial > hg > orthanc-stone
annotate Framework/Widgets/LayoutWidget.cpp @ 247:3d523c9a8f0d am
trying to use boost::signals2 even more.
| author | am@osimis.io |
|---|---|
| date | Mon, 02 Jul 2018 12:32:02 +0200 |
| parents | 7d3b2c4f9ba1 |
| children | f21ba2468570 |
| 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) 2017-2018 Osimis S.A., 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_; | |
| 85 | |
| 86 public: | |
| 87 ChildWidget(IWidget* widget) : | |
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88 widget_(widget) |
| 0 | 89 { |
| 90 assert(widget != NULL); | |
| 91 SetEmpty(); | |
| 92 } | |
| 93 | |
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94 void UpdateContent() |
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95 { |
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96 if (widget_->HasUpdateContent()) |
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97 { |
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98 widget_->UpdateContent(); |
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99 } |
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100 } |
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101 |
| 0 | 102 IWidget& GetWidget() const |
| 103 { | |
| 104 return *widget_; | |
| 105 } | |
| 106 | |
| 107 void SetRectangle(unsigned int left, | |
| 108 unsigned int top, | |
| 109 unsigned int width, | |
| 110 unsigned int height) | |
| 111 { | |
| 112 left_ = left; | |
| 113 top_ = top; | |
| 114 width_ = width; | |
| 115 height_ = height; | |
| 116 | |
| 117 widget_->SetSize(width, height); | |
| 118 } | |
| 119 | |
| 120 void SetEmpty() | |
| 121 { | |
| 122 SetRectangle(0, 0, 0, 0); | |
| 123 } | |
| 124 | |
| 125 bool Contains(int x, | |
| 126 int y) const | |
| 127 { | |
| 128 return (x >= left_ && | |
| 129 y >= top_ && | |
| 130 x < left_ + static_cast<int>(width_) && | |
| 131 y < top_ + static_cast<int>(height_)); | |
| 132 } | |
| 133 | |
| 134 bool Render(Orthanc::ImageAccessor& target) | |
| 135 { | |
| 136 if (width_ == 0 || | |
| 137 height_ == 0) | |
| 138 { | |
| 139 return true; | |
| 140 } | |
| 141 else | |
| 142 { | |
| 143 Orthanc::ImageAccessor accessor = target.GetRegion(left_, top_, width_, height_); | |
| 144 return widget_->Render(accessor); | |
| 145 } | |
| 146 } | |
| 147 | |
| 148 IMouseTracker* CreateMouseTracker(MouseButton button, | |
| 149 int x, | |
| 150 int y, | |
| 151 KeyboardModifiers modifiers) | |
| 152 { | |
| 153 if (Contains(x, y)) | |
| 154 { | |
| 155 IMouseTracker* tracker = widget_->CreateMouseTracker(button, | |
| 156 x - left_, | |
| 157 y - top_, | |
| 158 modifiers); | |
| 159 if (tracker) | |
| 160 { | |
| 161 return new LayoutMouseTracker(tracker, left_, top_, width_, height_); | |
| 162 } | |
| 163 } | |
| 164 | |
| 165 return NULL; | |
| 166 } | |
| 167 | |
| 168 void RenderMouseOver(Orthanc::ImageAccessor& target, | |
| 169 int x, | |
| 170 int y) | |
| 171 { | |
| 172 if (Contains(x, y)) | |
| 173 { | |
| 174 Orthanc::ImageAccessor accessor = target.GetRegion(left_, top_, width_, height_); | |
| 175 | |
| 176 widget_->RenderMouseOver(accessor, x - left_, y - top_); | |
| 177 } | |
| 178 } | |
| 179 | |
| 180 void MouseWheel(MouseWheelDirection direction, | |
| 181 int x, | |
| 182 int y, | |
| 183 KeyboardModifiers modifiers) | |
| 184 { | |
| 185 if (Contains(x, y)) | |
| 186 { | |
| 187 widget_->MouseWheel(direction, x - left_, y - top_, modifiers); | |
| 188 } | |
| 189 } | |
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IWidget::HasRenderMouseOver
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190 |
| 55 | 191 bool HasRenderMouseOver() |
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IWidget::HasRenderMouseOver
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192 { |
| 55 | 193 return widget_->HasRenderMouseOver(); |
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194 } |
| 0 | 195 }; |
| 196 | |
| 197 | |
| 198 void LayoutWidget::ComputeChildrenExtents() | |
| 199 { | |
| 200 if (children_.size() == 0) | |
| 201 { | |
| 202 return; | |
| 203 } | |
| 204 | |
| 205 float internal = static_cast<float>(paddingInternal_); | |
| 206 | |
| 207 if (width_ <= paddingLeft_ + paddingRight_ || | |
| 208 height_ <= paddingTop_ + paddingBottom_) | |
| 209 { | |
| 210 for (size_t i = 0; i < children_.size(); i++) | |
| 211 { | |
| 212 children_[i]->SetEmpty(); | |
| 213 } | |
| 214 } | |
| 215 else if (isHorizontal_) | |
| 216 { | |
| 217 unsigned int padding = paddingLeft_ + paddingRight_ + (children_.size() - 1) * paddingInternal_; | |
| 218 float childWidth = ((static_cast<float>(width_) - static_cast<float>(padding)) / | |
| 219 static_cast<float>(children_.size())); | |
| 220 | |
| 221 for (size_t i = 0; i < children_.size(); i++) | |
| 222 { | |
| 223 float left = static_cast<float>(paddingLeft_) + static_cast<float>(i) * (childWidth + internal); | |
| 224 float right = left + childWidth; | |
| 225 | |
| 226 if (left >= right) | |
| 227 { | |
| 228 children_[i]->SetEmpty(); | |
| 229 } | |
| 230 else | |
| 231 { | |
| 232 children_[i]->SetRectangle(static_cast<unsigned int>(left), | |
| 233 paddingTop_, | |
| 234 boost::math::iround(right - left), | |
| 235 height_ - paddingTop_ - paddingBottom_); | |
| 236 } | |
| 237 } | |
| 238 } | |
| 239 else | |
| 240 { | |
| 241 unsigned int padding = paddingTop_ + paddingBottom_ + (children_.size() - 1) * paddingInternal_; | |
| 242 float childHeight = ((static_cast<float>(height_) - static_cast<float>(padding)) / | |
| 243 static_cast<float>(children_.size())); | |
| 244 | |
| 245 for (size_t i = 0; i < children_.size(); i++) | |
| 246 { | |
| 247 float top = static_cast<float>(paddingTop_) + static_cast<float>(i) * (childHeight + internal); | |
| 248 float bottom = top + childHeight; | |
| 249 | |
| 250 if (top >= bottom) | |
| 251 { | |
| 252 children_[i]->SetEmpty(); | |
| 253 } | |
| 254 else | |
| 255 { | |
| 256 children_[i]->SetRectangle(paddingTop_, | |
| 257 static_cast<unsigned int>(top), | |
| 258 width_ - paddingLeft_ - paddingRight_, | |
| 259 boost::math::iround(bottom - top)); | |
| 260 } | |
| 261 } | |
| 262 } | |
| 263 | |
| 264 NotifyChange(*this); | |
| 265 } | |
| 266 | |
| 267 | |
| 268 LayoutWidget::LayoutWidget() : | |
| 269 isHorizontal_(true), | |
| 270 width_(0), | |
| 271 height_(0), | |
| 272 paddingLeft_(0), | |
| 273 paddingTop_(0), | |
| 274 paddingRight_(0), | |
| 275 paddingBottom_(0), | |
| 276 paddingInternal_(0) | |
| 277 { | |
| 278 } | |
| 279 | |
| 280 | |
| 281 LayoutWidget::~LayoutWidget() | |
| 282 { | |
| 283 for (size_t i = 0; i < children_.size(); i++) | |
| 284 { | |
| 285 delete children_[i]; | |
| 286 } | |
| 287 } | |
| 288 | |
| 289 | |
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290 void LayoutWidget::SetDefaultView() |
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291 { |
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292 for (size_t i = 0; i < children_.size(); i++) |
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293 { |
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294 children_[i]->GetWidget().SetDefaultView(); |
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295 } |
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296 } |
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297 |
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298 |
| 0 | 299 void LayoutWidget::NotifyChange(const IWidget& widget) |
| 300 { | |
| 301 // One of the children has changed | |
| 302 WidgetBase::NotifyChange(); | |
| 303 } | |
| 304 | |
| 305 | |
| 306 void LayoutWidget::SetHorizontal() | |
| 307 { | |
| 308 isHorizontal_ = true; | |
| 309 ComputeChildrenExtents(); | |
| 310 } | |
| 311 | |
| 312 | |
| 313 void LayoutWidget::SetVertical() | |
| 314 { | |
| 315 isHorizontal_ = false; | |
| 316 ComputeChildrenExtents(); | |
| 317 } | |
| 318 | |
| 319 | |
| 320 void LayoutWidget::SetPadding(unsigned int left, | |
| 321 unsigned int top, | |
| 322 unsigned int right, | |
| 323 unsigned int bottom, | |
| 324 unsigned int spacing) | |
| 325 { | |
| 326 paddingLeft_ = left; | |
| 327 paddingTop_ = top; | |
| 328 paddingRight_ = right; | |
| 329 paddingBottom_ = bottom; | |
| 330 paddingInternal_ = spacing; | |
| 331 } | |
| 332 | |
| 333 | |
| 334 void LayoutWidget::SetPadding(unsigned int padding) | |
| 335 { | |
| 336 paddingLeft_ = padding; | |
| 337 paddingTop_ = padding; | |
| 338 paddingRight_ = padding; | |
| 339 paddingBottom_ = padding; | |
| 340 paddingInternal_ = padding; | |
| 341 } | |
| 342 | |
| 343 | |
| 344 IWidget& LayoutWidget::AddWidget(IWidget* widget) // Takes ownership | |
| 345 { | |
| 346 if (widget == NULL) | |
| 347 { | |
| 348 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 349 } | |
| 350 | |
| 351 if (GetStatusBar() != NULL) | |
| 352 { | |
| 353 widget->SetStatusBar(*GetStatusBar()); | |
| 354 } | |
| 355 | |
| 356 children_.push_back(new ChildWidget(widget)); | |
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357 widget->SetParent(*this); |
| 0 | 358 |
| 359 ComputeChildrenExtents(); | |
| 360 | |
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361 if (widget->HasUpdateContent()) |
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362 { |
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363 hasUpdateContent_ = true; |
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364 } |
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365 |
| 0 | 366 return *widget; |
| 367 } | |
| 368 | |
| 369 | |
| 370 void LayoutWidget::SetStatusBar(IStatusBar& statusBar) | |
| 371 { | |
| 372 WidgetBase::SetStatusBar(statusBar); | |
| 373 | |
| 374 for (size_t i = 0; i < children_.size(); i++) | |
| 375 { | |
| 376 children_[i]->GetWidget().SetStatusBar(statusBar); | |
| 377 } | |
| 378 } | |
| 379 | |
| 380 | |
| 381 void LayoutWidget::SetSize(unsigned int width, | |
| 382 unsigned int height) | |
| 383 { | |
| 384 width_ = width; | |
| 385 height_ = height; | |
| 386 ComputeChildrenExtents(); | |
| 387 } | |
| 388 | |
| 389 | |
| 390 bool LayoutWidget::Render(Orthanc::ImageAccessor& surface) | |
| 391 { | |
| 392 if (!WidgetBase::Render(surface)) | |
| 393 { | |
| 394 return false; | |
| 395 } | |
| 396 | |
| 397 for (size_t i = 0; i < children_.size(); i++) | |
| 398 { | |
| 399 if (!children_[i]->Render(surface)) | |
| 400 { | |
| 401 return false; | |
| 402 } | |
| 403 } | |
| 404 | |
| 405 return true; | |
| 406 } | |
| 407 | |
| 408 | |
| 409 IMouseTracker* LayoutWidget::CreateMouseTracker(MouseButton button, | |
| 410 int x, | |
| 411 int y, | |
| 412 KeyboardModifiers modifiers) | |
| 413 { | |
| 414 for (size_t i = 0; i < children_.size(); i++) | |
| 415 { | |
| 416 IMouseTracker* tracker = children_[i]->CreateMouseTracker(button, x, y, modifiers); | |
| 417 if (tracker != NULL) | |
| 418 { | |
| 419 return tracker; | |
| 420 } | |
| 421 } | |
| 422 | |
| 423 return NULL; | |
| 424 } | |
| 425 | |
| 426 | |
| 427 void LayoutWidget::RenderMouseOver(Orthanc::ImageAccessor& target, | |
| 428 int x, | |
| 429 int y) | |
| 430 { | |
| 431 for (size_t i = 0; i < children_.size(); i++) | |
| 432 { | |
| 433 children_[i]->RenderMouseOver(target, x, y); | |
| 434 } | |
| 435 } | |
| 436 | |
| 437 | |
| 438 void LayoutWidget::MouseWheel(MouseWheelDirection direction, | |
| 439 int x, | |
| 440 int y, | |
| 441 KeyboardModifiers modifiers) | |
| 442 { | |
| 443 for (size_t i = 0; i < children_.size(); i++) | |
| 444 { | |
| 445 children_[i]->MouseWheel(direction, x, y, modifiers); | |
| 446 } | |
| 447 } | |
| 448 | |
| 449 | |
| 450 void LayoutWidget::KeyPressed(char key, | |
| 451 KeyboardModifiers modifiers) | |
| 452 { | |
| 453 for (size_t i = 0; i < children_.size(); i++) | |
| 454 { | |
| 455 children_[i]->GetWidget().KeyPressed(key, modifiers); | |
| 456 } | |
| 457 } | |
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458 |
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459 |
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460 void LayoutWidget::UpdateContent() |
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461 { |
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462 if (hasUpdateContent_) |
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463 { |
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464 for (size_t i = 0; i < children_.size(); i++) |
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465 { |
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466 children_[i]->UpdateContent(); |
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467 } |
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468 } |
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469 else |
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470 { |
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471 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); |
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472 } |
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473 } |
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IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
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474 |
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01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
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475 |
| 55 | 476 bool LayoutWidget::HasRenderMouseOver() |
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IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
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477 { |
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01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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changeset
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478 for (size_t i = 0; i < children_.size(); i++) |
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IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
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479 { |
| 55 | 480 if (children_[i]->HasRenderMouseOver()) |
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IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
53
diff
changeset
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481 { |
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01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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changeset
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482 return true; |
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01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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changeset
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483 } |
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01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
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484 } |
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01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
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485 |
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01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
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486 return false; |
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01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
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487 } |
| 0 | 488 } |