Mercurial > hg > orthanc-stone
annotate Framework/Widgets/LayoutWidget.cpp @ 54:01aa453d4d5b wasm
IWidget::HasRenderMouseOver
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 27 Apr 2017 17:49:29 +0200 |
parents | c2dc924f1a63 |
children | f0f354a97581 |
rev | line source |
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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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515 else |
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516 { |
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517 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); |
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518 } |
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519 } |
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520 |
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521 |
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522 bool LayoutWidget::HasRenderMouseOver(int x, |
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523 int y) |
01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
53
diff
changeset
|
524 { |
01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
53
diff
changeset
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525 for (size_t i = 0; i < children_.size(); i++) |
01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
53
diff
changeset
|
526 { |
01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
53
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:
53
diff
changeset
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529 return true; |
01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
53
diff
changeset
|
530 } |
01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
53
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:
53
diff
changeset
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533 return false; |
01aa453d4d5b
IWidget::HasRenderMouseOver
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
53
diff
changeset
|
534 } |
0 | 535 } |