Mercurial > hg > orthanc-stone
annotate Framework/Widgets/LayoutWidget.cpp @ 416:88c79f1537de captain
compatibility of captain branch with framework 1.4.2
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 15 Nov 2018 10:44:32 +0100 |
| parents | ce48c3b3b0e9 |
| children |
| 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 { | |
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31 // This is a compatibility reimplementation of |
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32 // "ImageAcessor::GetRegion()" to use Orthanc <= 1.4.2 together with |
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33 // Stone. |
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34 static void GetRegionCompatibility(Orthanc::ImageAccessor& target, |
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35 const Orthanc::ImageAccessor& source, |
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36 unsigned int x, |
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37 unsigned int y, |
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38 unsigned int width, |
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39 unsigned int height) |
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40 { |
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41 if (x + width > source.GetWidth() || |
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42 y + height > source.GetHeight()) |
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43 { |
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44 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); |
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45 } |
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46 |
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47 if (width == 0 || |
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48 height == 0) |
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49 { |
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50 target.AssignWritable(source.GetFormat(), 0, 0, 0, NULL); |
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51 } |
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52 else if (source.IsReadOnly()) |
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53 { |
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54 const uint8_t* p = (reinterpret_cast<const uint8_t*>(source.GetBuffer()) + |
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55 y * source.GetPitch() + |
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56 x * source.GetBytesPerPixel()); |
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57 |
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58 target.AssignReadOnly(source.GetFormat(), width, height, source.GetPitch(), p); |
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59 } |
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60 else |
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61 { |
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62 uint8_t* p = (reinterpret_cast<uint8_t*>(source.GetBuffer()) + |
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63 y * source.GetPitch() + |
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64 x * source.GetBytesPerPixel()); |
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65 |
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66 target.AssignWritable(source.GetFormat(), width, height, source.GetPitch(), p); |
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67 } |
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68 } |
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69 |
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70 |
| 0 | 71 class LayoutWidget::LayoutMouseTracker : public IMouseTracker |
| 72 { | |
| 73 private: | |
| 74 std::auto_ptr<IMouseTracker> tracker_; | |
| 75 int left_; | |
| 76 int top_; | |
| 77 unsigned int width_; | |
| 78 unsigned int height_; | |
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79 |
| 0 | 80 public: |
| 81 LayoutMouseTracker(IMouseTracker* tracker, | |
| 82 int left, | |
| 83 int top, | |
| 84 unsigned int width, | |
| 85 unsigned int height) : | |
| 86 tracker_(tracker), | |
| 87 left_(left), | |
| 88 top_(top), | |
| 89 width_(width), | |
| 90 height_(height) | |
| 91 { | |
| 92 if (tracker == NULL) | |
| 93 { | |
| 94 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 95 } | |
| 96 } | |
| 97 | |
| 98 virtual void Render(Orthanc::ImageAccessor& surface) | |
| 99 { | |
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100 Orthanc::ImageAccessor accessor; |
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101 GetRegionCompatibility(accessor, surface, left_, top_, width_, height_); |
| 0 | 102 tracker_->Render(accessor); |
| 103 } | |
| 104 | |
| 105 virtual void MouseUp() | |
| 106 { | |
| 107 tracker_->MouseUp(); | |
| 108 } | |
| 109 | |
| 110 virtual void MouseMove(int x, | |
| 111 int y) | |
| 112 { | |
| 113 tracker_->MouseMove(x - left_, y - top_); | |
| 114 } | |
| 115 }; | |
| 116 | |
| 117 | |
| 118 class LayoutWidget::ChildWidget : public boost::noncopyable | |
| 119 { | |
| 120 private: | |
| 121 std::auto_ptr<IWidget> widget_; | |
| 122 int left_; | |
| 123 int top_; | |
| 124 unsigned int width_; | |
| 125 unsigned int height_; | |
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126 bool hasUpdate_; |
| 0 | 127 |
| 128 public: | |
| 129 ChildWidget(IWidget* widget) : | |
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130 widget_(widget), |
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131 hasUpdate_(widget->HasUpdateContent()) |
| 0 | 132 { |
| 133 assert(widget != NULL); | |
| 134 SetEmpty(); | |
| 135 } | |
| 136 | |
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137 void UpdateContent() |
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138 { |
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139 if (hasUpdate_) |
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140 { |
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141 widget_->UpdateContent(); |
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142 } |
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143 } |
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144 |
| 0 | 145 IWidget& GetWidget() const |
| 146 { | |
| 147 return *widget_; | |
| 148 } | |
| 149 | |
| 150 void SetRectangle(unsigned int left, | |
| 151 unsigned int top, | |
| 152 unsigned int width, | |
| 153 unsigned int height) | |
| 154 { | |
| 155 left_ = left; | |
| 156 top_ = top; | |
| 157 width_ = width; | |
| 158 height_ = height; | |
| 159 | |
| 160 widget_->SetSize(width, height); | |
| 161 } | |
| 162 | |
| 163 void SetEmpty() | |
| 164 { | |
| 165 SetRectangle(0, 0, 0, 0); | |
| 166 } | |
| 167 | |
| 168 bool Contains(int x, | |
| 169 int y) const | |
| 170 { | |
| 171 return (x >= left_ && | |
| 172 y >= top_ && | |
| 173 x < left_ + static_cast<int>(width_) && | |
| 174 y < top_ + static_cast<int>(height_)); | |
| 175 } | |
| 176 | |
| 177 bool Render(Orthanc::ImageAccessor& target) | |
| 178 { | |
| 179 if (width_ == 0 || | |
| 180 height_ == 0) | |
| 181 { | |
| 182 return true; | |
| 183 } | |
| 184 else | |
| 185 { | |
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186 Orthanc::ImageAccessor accessor; |
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187 GetRegionCompatibility(accessor, target, left_, top_, width_, height_); |
| 0 | 188 return widget_->Render(accessor); |
| 189 } | |
| 190 } | |
| 191 | |
| 192 IMouseTracker* CreateMouseTracker(MouseButton button, | |
| 193 int x, | |
| 194 int y, | |
| 195 KeyboardModifiers modifiers) | |
| 196 { | |
| 197 if (Contains(x, y)) | |
| 198 { | |
| 199 IMouseTracker* tracker = widget_->CreateMouseTracker(button, | |
| 200 x - left_, | |
| 201 y - top_, | |
| 202 modifiers); | |
| 203 if (tracker) | |
| 204 { | |
| 205 return new LayoutMouseTracker(tracker, left_, top_, width_, height_); | |
| 206 } | |
| 207 } | |
| 208 | |
| 209 return NULL; | |
| 210 } | |
| 211 | |
| 212 void RenderMouseOver(Orthanc::ImageAccessor& target, | |
| 213 int x, | |
| 214 int y) | |
| 215 { | |
| 216 if (Contains(x, y)) | |
| 217 { | |
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218 Orthanc::ImageAccessor accessor; |
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219 GetRegionCompatibility(accessor, target, left_, top_, width_, height_); |
| 0 | 220 |
| 221 widget_->RenderMouseOver(accessor, x - left_, y - top_); | |
| 222 } | |
| 223 } | |
| 224 | |
| 225 void MouseWheel(MouseWheelDirection direction, | |
| 226 int x, | |
| 227 int y, | |
| 228 KeyboardModifiers modifiers) | |
| 229 { | |
| 230 if (Contains(x, y)) | |
| 231 { | |
| 232 widget_->MouseWheel(direction, x - left_, y - top_, modifiers); | |
| 233 } | |
| 234 } | |
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235 |
| 55 | 236 bool HasRenderMouseOver() |
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237 { |
| 55 | 238 return widget_->HasRenderMouseOver(); |
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239 } |
| 0 | 240 }; |
| 241 | |
| 242 | |
| 243 void LayoutWidget::ComputeChildrenExtents() | |
| 244 { | |
| 245 if (children_.size() == 0) | |
| 246 { | |
| 247 return; | |
| 248 } | |
| 249 | |
| 250 float internal = static_cast<float>(paddingInternal_); | |
| 251 | |
| 252 if (width_ <= paddingLeft_ + paddingRight_ || | |
| 253 height_ <= paddingTop_ + paddingBottom_) | |
| 254 { | |
| 255 for (size_t i = 0; i < children_.size(); i++) | |
| 256 { | |
| 257 children_[i]->SetEmpty(); | |
| 258 } | |
| 259 } | |
| 260 else if (isHorizontal_) | |
| 261 { | |
| 262 unsigned int padding = paddingLeft_ + paddingRight_ + (children_.size() - 1) * paddingInternal_; | |
| 263 float childWidth = ((static_cast<float>(width_) - static_cast<float>(padding)) / | |
| 264 static_cast<float>(children_.size())); | |
| 265 | |
| 266 for (size_t i = 0; i < children_.size(); i++) | |
| 267 { | |
| 268 float left = static_cast<float>(paddingLeft_) + static_cast<float>(i) * (childWidth + internal); | |
| 269 float right = left + childWidth; | |
| 270 | |
| 271 if (left >= right) | |
| 272 { | |
| 273 children_[i]->SetEmpty(); | |
| 274 } | |
| 275 else | |
| 276 { | |
| 277 children_[i]->SetRectangle(static_cast<unsigned int>(left), | |
| 278 paddingTop_, | |
| 279 boost::math::iround(right - left), | |
| 280 height_ - paddingTop_ - paddingBottom_); | |
| 281 } | |
| 282 } | |
| 283 } | |
| 284 else | |
| 285 { | |
| 286 unsigned int padding = paddingTop_ + paddingBottom_ + (children_.size() - 1) * paddingInternal_; | |
| 287 float childHeight = ((static_cast<float>(height_) - static_cast<float>(padding)) / | |
| 288 static_cast<float>(children_.size())); | |
| 289 | |
| 290 for (size_t i = 0; i < children_.size(); i++) | |
| 291 { | |
| 292 float top = static_cast<float>(paddingTop_) + static_cast<float>(i) * (childHeight + internal); | |
| 293 float bottom = top + childHeight; | |
| 294 | |
| 295 if (top >= bottom) | |
| 296 { | |
| 297 children_[i]->SetEmpty(); | |
| 298 } | |
| 299 else | |
| 300 { | |
| 301 children_[i]->SetRectangle(paddingTop_, | |
| 302 static_cast<unsigned int>(top), | |
| 303 width_ - paddingLeft_ - paddingRight_, | |
| 304 boost::math::iround(bottom - top)); | |
| 305 } | |
| 306 } | |
| 307 } | |
| 308 | |
| 309 NotifyChange(*this); | |
| 310 } | |
| 311 | |
| 312 | |
| 313 LayoutWidget::LayoutWidget() : | |
| 314 isHorizontal_(true), | |
| 315 width_(0), | |
| 316 height_(0), | |
| 317 paddingLeft_(0), | |
| 318 paddingTop_(0), | |
| 319 paddingRight_(0), | |
| 320 paddingBottom_(0), | |
| 321 paddingInternal_(0) | |
| 322 { | |
| 323 } | |
| 324 | |
| 325 | |
| 326 LayoutWidget::~LayoutWidget() | |
| 327 { | |
| 328 for (size_t i = 0; i < children_.size(); i++) | |
| 329 { | |
| 330 delete children_[i]; | |
| 331 } | |
| 332 } | |
| 333 | |
| 334 | |
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335 void LayoutWidget::SetDefaultView() |
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336 { |
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337 for (size_t i = 0; i < children_.size(); i++) |
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338 { |
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339 children_[i]->GetWidget().SetDefaultView(); |
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340 } |
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341 } |
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342 |
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343 |
| 0 | 344 void LayoutWidget::NotifyChange(const IWidget& widget) |
| 345 { | |
| 346 // One of the children has changed | |
| 347 WidgetBase::NotifyChange(); | |
| 348 } | |
| 349 | |
| 350 | |
| 351 void LayoutWidget::SetHorizontal() | |
| 352 { | |
| 353 isHorizontal_ = true; | |
| 354 ComputeChildrenExtents(); | |
| 355 } | |
| 356 | |
| 357 | |
| 358 void LayoutWidget::SetVertical() | |
| 359 { | |
| 360 isHorizontal_ = false; | |
| 361 ComputeChildrenExtents(); | |
| 362 } | |
| 363 | |
| 364 | |
| 365 void LayoutWidget::SetPadding(unsigned int left, | |
| 366 unsigned int top, | |
| 367 unsigned int right, | |
| 368 unsigned int bottom, | |
| 369 unsigned int spacing) | |
| 370 { | |
| 371 paddingLeft_ = left; | |
| 372 paddingTop_ = top; | |
| 373 paddingRight_ = right; | |
| 374 paddingBottom_ = bottom; | |
| 375 paddingInternal_ = spacing; | |
| 376 } | |
| 377 | |
| 378 | |
| 379 void LayoutWidget::SetPadding(unsigned int padding) | |
| 380 { | |
| 381 paddingLeft_ = padding; | |
| 382 paddingTop_ = padding; | |
| 383 paddingRight_ = padding; | |
| 384 paddingBottom_ = padding; | |
| 385 paddingInternal_ = padding; | |
| 386 } | |
| 387 | |
| 388 | |
| 389 IWidget& LayoutWidget::AddWidget(IWidget* widget) // Takes ownership | |
| 390 { | |
| 391 if (widget == NULL) | |
| 392 { | |
| 393 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 394 } | |
| 395 | |
| 396 if (GetStatusBar() != NULL) | |
| 397 { | |
| 398 widget->SetStatusBar(*GetStatusBar()); | |
| 399 } | |
| 400 | |
| 401 children_.push_back(new ChildWidget(widget)); | |
|
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402 widget->SetParent(*this); |
| 0 | 403 |
| 404 ComputeChildrenExtents(); | |
| 405 | |
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406 if (widget->HasUpdateContent()) |
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407 { |
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408 hasUpdateContent_ = true; |
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409 } |
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410 |
| 0 | 411 return *widget; |
| 412 } | |
| 413 | |
| 414 | |
| 415 void LayoutWidget::SetStatusBar(IStatusBar& statusBar) | |
| 416 { | |
| 417 WidgetBase::SetStatusBar(statusBar); | |
| 418 | |
| 419 for (size_t i = 0; i < children_.size(); i++) | |
| 420 { | |
| 421 children_[i]->GetWidget().SetStatusBar(statusBar); | |
| 422 } | |
| 423 } | |
| 424 | |
| 425 | |
| 426 void LayoutWidget::SetSize(unsigned int width, | |
| 427 unsigned int height) | |
| 428 { | |
| 429 width_ = width; | |
| 430 height_ = height; | |
| 431 ComputeChildrenExtents(); | |
| 432 } | |
| 433 | |
| 434 | |
| 435 bool LayoutWidget::Render(Orthanc::ImageAccessor& surface) | |
| 436 { | |
| 437 if (!WidgetBase::Render(surface)) | |
| 438 { | |
| 439 return false; | |
| 440 } | |
| 441 | |
| 442 for (size_t i = 0; i < children_.size(); i++) | |
| 443 { | |
| 444 if (!children_[i]->Render(surface)) | |
| 445 { | |
| 446 return false; | |
| 447 } | |
| 448 } | |
| 449 | |
| 450 return true; | |
| 451 } | |
| 452 | |
| 453 | |
| 454 IMouseTracker* LayoutWidget::CreateMouseTracker(MouseButton button, | |
| 455 int x, | |
| 456 int y, | |
| 457 KeyboardModifiers modifiers) | |
| 458 { | |
| 459 for (size_t i = 0; i < children_.size(); i++) | |
| 460 { | |
| 461 IMouseTracker* tracker = children_[i]->CreateMouseTracker(button, x, y, modifiers); | |
| 462 if (tracker != NULL) | |
| 463 { | |
| 464 return tracker; | |
| 465 } | |
| 466 } | |
| 467 | |
| 468 return NULL; | |
| 469 } | |
| 470 | |
| 471 | |
| 472 void LayoutWidget::RenderMouseOver(Orthanc::ImageAccessor& target, | |
| 473 int x, | |
| 474 int y) | |
| 475 { | |
| 476 for (size_t i = 0; i < children_.size(); i++) | |
| 477 { | |
| 478 children_[i]->RenderMouseOver(target, x, y); | |
| 479 } | |
| 480 } | |
| 481 | |
| 482 | |
| 483 void LayoutWidget::MouseWheel(MouseWheelDirection direction, | |
| 484 int x, | |
| 485 int y, | |
| 486 KeyboardModifiers modifiers) | |
| 487 { | |
| 488 for (size_t i = 0; i < children_.size(); i++) | |
| 489 { | |
| 490 children_[i]->MouseWheel(direction, x, y, modifiers); | |
| 491 } | |
| 492 } | |
| 493 | |
| 494 | |
| 495 void LayoutWidget::KeyPressed(char key, | |
| 496 KeyboardModifiers modifiers) | |
| 497 { | |
| 498 for (size_t i = 0; i < children_.size(); i++) | |
| 499 { | |
| 500 children_[i]->GetWidget().KeyPressed(key, modifiers); | |
| 501 } | |
| 502 } | |
|
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503 |
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504 |
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505 void LayoutWidget::UpdateContent() |
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506 { |
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507 if (hasUpdateContent_) |
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508 { |
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509 for (size_t i = 0; i < children_.size(); i++) |
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510 { |
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511 children_[i]->UpdateContent(); |
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512 } |
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513 } |
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514 else |
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515 { |
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516 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); |
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517 } |
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518 } |
|
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519 |
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520 |
| 55 | 521 bool LayoutWidget::HasRenderMouseOver() |
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522 { |
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523 for (size_t i = 0; i < children_.size(); i++) |
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524 { |
| 55 | 525 if (children_[i]->HasRenderMouseOver()) |
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526 { |
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527 return true; |
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528 } |
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529 } |
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530 |
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531 return false; |
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532 } |
| 0 | 533 } |