1 // Copyright (C) 2014-2019 CEA/DEN, EDF R&D
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
20 #include "XGUI_FacesPanel.h"
22 #include <Config_PropManager.h>
23 #include <Events_Loop.h>
24 #include <GeomAlgoAPI_CompoundBuilder.h>
26 #include <ModelAPI_Events.h>
28 #include <ModuleBase_IModule.h>
29 #include <ModuleBase_ISelection.h>
30 #include "ModuleBase_IWorkshop.h"
31 #include "ModuleBase_ListView.h"
32 #include "ModuleBase_ResultPrs.h"
33 #include "ModuleBase_Tools.h"
34 #include "ModuleBase_ViewerPrs.h"
36 #include "XGUI_ObjectsBrowser.h"
37 #include "XGUI_SelectionMgr.h"
38 #include "XGUI_SelectionFilterType.h"
39 #include "XGUI_Tools.h"
40 #include "XGUI_Workshop.h"
44 #include <QFocusEvent>
45 #include <QGridLayout>
46 #include <QListWidget>
47 #include <QMainWindow>
49 static const int LayoutMargin = 3;
51 //********************************************************************
52 XGUI_FacesPanel::XGUI_FacesPanel(QWidget* theParent, ModuleBase_IWorkshop* theWorkshop)
53 : QDockWidget(theParent), myIsActive(false), myWorkshop(theWorkshop)
55 setWindowTitle(tr("Hide Faces"));
56 QAction* aViewAct = toggleViewAction();
57 setStyleSheet("::title { position: relative; padding-left: 5px; text-align: left center }");
59 QWidget* aContent = new QWidget(this);
60 QGridLayout* aMainLayout = new QGridLayout(aContent);
61 aMainLayout->setContentsMargins(LayoutMargin, LayoutMargin, LayoutMargin, LayoutMargin);
64 myHiddenOrTransparent = new QCheckBox(tr("Transparent"), aContent);
65 connect(myHiddenOrTransparent, SIGNAL(toggled(bool)), SLOT(onTransparencyChanged()));
67 myListView = new ModuleBase_ListView(aContent, "", "Hidden/transparent faces in 3D view");
68 connect(myListView, SIGNAL(deleteActionClicked()), SLOT(onDeleteItem()));
70 aMainLayout->addWidget(myHiddenOrTransparent, 0, 0);
71 aMainLayout->addWidget(myListView->getControl(), 1, 0);
73 myListView->getControl()->setFocusPolicy(Qt::StrongFocus);
74 myListView->getControl()->viewport()->installEventFilter(this);
77 //********************************************************************
78 void XGUI_FacesPanel::reset(const bool isToFlushRedisplay)
80 if (myLastItemIndex == 0) // do nothing because there was no activity in the pane after reset
83 // clear internal containers
84 myListView->getControl()->clear();
87 // restore previous view of presentations
88 bool isModified = redisplayObjects(myItemObjects);
89 std::set<std::shared_ptr<ModelAPI_Object> > aHiddenObjects = myHiddenObjects;
90 isModified = displayHiddenObjects(aHiddenObjects, myHiddenObjects) || isModified;
91 if (isModified)// && isToFlushRedisplay) // flush signal immediatelly until container is filled
94 updateProcessedObjects(myItems, myItemObjects);
95 myHiddenObjects.clear();
96 myLastItemIndex = 0; // it should be after redisplay as flag used in customize
99 //********************************************************************
100 bool XGUI_FacesPanel::isEmpty() const
102 return myItems.size() == 0;
105 //********************************************************************
106 void XGUI_FacesPanel::selectionModes(QIntList& theModes)
108 theModes.append(TopAbs_FACE);
111 //********************************************************************
112 void XGUI_FacesPanel::selectionFilters(SelectMgr_ListOfFilter& theSelectionFilters)
114 ModuleBase_IModule* aModule = myWorkshop->module();
115 QIntList aModuleSelectionFilters = myWorkshop->module()->selectionFilters();
117 theSelectionFilters.Append(aModule->selectionFilter(SF_GlobalFilter));
118 theSelectionFilters.Append(aModule->selectionFilter(SF_FilterInfinite));
119 theSelectionFilters.Append(aModule->selectionFilter(SF_ResultGroupNameFilter));
122 //********************************************************************
123 bool XGUI_FacesPanel::eventFilter(QObject* theObject, QEvent *theEvent)
125 QWidget* aWidget = qobject_cast<QWidget*>(theObject);
126 if (theEvent->type() == QEvent::MouseButtonRelease)
128 if (myListView->getControl()->viewport() == aWidget)
129 setActivePanel(true);
131 // pass the event on to the parent class
132 return QObject::eventFilter(theObject, theEvent);
135 //********************************************************************
136 void XGUI_FacesPanel::setActivePanel(const bool theIsActive)
138 if (myIsActive == theIsActive)
141 ModuleBase_Tools::setShadowEffect(myListView->getControl(), theIsActive);
142 myIsActive = theIsActive;
146 // selection should be cleared after emit of signal to do not process selection change
147 // event by the previous selector
148 // the selection is cleared by activating selection control
149 XGUI_Tools::workshop(myWorkshop)->selector()->clearSelection();
155 //********************************************************************
156 bool XGUI_FacesPanel::useTransparency() const
158 return myHiddenOrTransparent->isChecked();
161 //********************************************************************
162 void XGUI_FacesPanel::restoreObjects(const std::set<ObjectPtr>& theHiddenObjects)
164 std::set<int> anIndicesToBeRemoved;
165 for (QMap<int, ModuleBase_ViewerPrsPtr>::const_iterator anItemsIt = myItems.begin();
166 anItemsIt != myItems.end(); anItemsIt++)
168 ModuleBase_ViewerPrsPtr aPrs = anItemsIt.value();
169 ObjectPtr anObject = aPrs->object();
170 if (theHiddenObjects.find(anObject) == theHiddenObjects.end()) // not found
172 anIndicesToBeRemoved.insert(anItemsIt.key());
175 // remove from myItes container
176 for (std::set<int>::const_iterator aToBeRemovedIt = anIndicesToBeRemoved.begin();
177 aToBeRemovedIt != anIndicesToBeRemoved.end(); aToBeRemovedIt++)
179 myItems.remove(*aToBeRemovedIt);
181 if (!anIndicesToBeRemoved.empty()) // means that myItems has been changed
182 updateProcessedObjects(myItems, myItemObjects);
183 myListView->removeItems(anIndicesToBeRemoved);
185 // remove from container of hidden objects
186 for (std::set<ObjectPtr>::const_iterator aHiddenIt = theHiddenObjects.begin();
187 aHiddenIt != theHiddenObjects.end(); aHiddenIt++)
189 if (myHiddenObjects.find(*aHiddenIt) != myHiddenObjects.end()) /// found objects
190 myHiddenObjects.erase(*aHiddenIt);
194 //********************************************************************
195 bool XGUI_FacesPanel::processAction(ModuleBase_ActionType theActionType)
197 switch (theActionType) {
199 // return processEnter();
201 setActivePanel(false);
204 return processDelete();
212 //********************************************************************
213 void XGUI_FacesPanel::processSelection()
215 QList<ModuleBase_ViewerPrsPtr> aSelected = myWorkshop->selection()->getSelected(
216 ModuleBase_ISelection::Viewer);
217 bool isModified = false;
218 static Events_ID aDispEvent = Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
220 std::map<ObjectPtr, NCollection_List<TopoDS_Shape> > anObjectToShapes;
221 std::map<ObjectPtr, Handle(ModuleBase_ResultPrs) > anObjectToPrs;
222 for (int i = 0; i < aSelected.size(); i++) {
223 ModuleBase_ViewerPrsPtr aPrs = aSelected[i];
224 ObjectPtr anObject = aPrs->object();
227 if (ModuleBase_Tools::getSelectedShape(aPrs).ShapeType() != TopAbs_FACE)
230 Handle(ModuleBase_ResultPrs) aResultPrs = Handle(ModuleBase_ResultPrs)::DownCast(
231 aPrs->interactive());
232 if (aResultPrs.IsNull())
234 QString aItemName = XGUI_Tools::generateName(aPrs);
235 if (myListView->hasItem(aItemName))
238 myItems.insert(myLastItemIndex, aPrs);
239 myListView->addItem(aItemName, myLastItemIndex);
243 if (anObjectToShapes.find(anObject) != anObjectToShapes.end())
244 anObjectToShapes.at(anObject).Append(ModuleBase_Tools::getSelectedShape(aPrs));
246 NCollection_List<TopoDS_Shape> aListOfShapes;
247 aListOfShapes.Append(ModuleBase_Tools::getSelectedShape(aPrs));
248 anObjectToShapes[anObject] = aListOfShapes;
249 anObjectToPrs[anObject] = aResultPrs;
252 for (std::map<ObjectPtr, NCollection_List<TopoDS_Shape> >::const_iterator
253 anIt = anObjectToShapes.begin(); anIt != anObjectToShapes.end(); anIt++) {
254 ObjectPtr anObject = anIt->first;
255 if (!anObject.get() || anObjectToPrs.find(anObject) == anObjectToPrs.end())
257 Handle(ModuleBase_ResultPrs) aResultPrs = anObjectToPrs.at(anObject);
259 if (aResultPrs->hasSubShapeVisible(anIt->second) || useTransparency()) // redisplay
260 ModelAPI_EventCreator::get()->sendUpdated(anObject, aDispEvent);
261 else { // erase object because it is entirely hidden
262 anObject->setDisplayed(false);
263 myHiddenObjects.insert(anObject);
264 ModelAPI_EventCreator::get()->sendUpdated(anObject, aDispEvent);
268 updateProcessedObjects(myItems, myItemObjects);
273 //********************************************************************
274 bool XGUI_FacesPanel::processDelete()
276 //appendFirstSelectionInHistory();
277 QModelIndexList anIndices = myListView->getControl()->selectionModel()->selectedIndexes();
279 std::set<int> aSelectedIds;
280 myListView->getSelectedIndices(aSelectedIds);
281 if (aSelectedIds.empty())
284 bool isModified = false;
285 std::set<ObjectPtr> aRestoredObjects;
286 for (std::set<int>::const_iterator anIt = aSelectedIds.begin(); anIt != aSelectedIds.end();
288 ModuleBase_ViewerPrsPtr aPrs = myItems[*anIt];
289 if (aRestoredObjects.find(aPrs->object()) == aRestoredObjects.end())
290 aRestoredObjects.insert(aPrs->object());
291 myItems.remove(*anIt);
295 bool isRedisplayed = redisplayObjects(aRestoredObjects);
296 isRedisplayed = displayHiddenObjects(aRestoredObjects, myHiddenObjects)
300 // should be after flush of redisplay to have items object to be updated
301 updateProcessedObjects(myItems, myItemObjects);
304 myListView->removeSelectedItems();
306 myListView->restoreSelection(anIndices);
307 //appendSelectionInHistory();
311 //********************************************************************
312 bool XGUI_FacesPanel::redisplayObjects(
313 const std::set<std::shared_ptr<ModelAPI_Object> >& theObjects)
315 if (theObjects.empty())
318 bool isModified = false;
319 static Events_ID aDispEvent = Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
320 for (std::set<ObjectPtr>::const_iterator anIt = theObjects.begin(); anIt != theObjects.end();
323 ObjectPtr anObject = *anIt;
324 if (!anObject->isDisplayed())
326 ModelAPI_EventCreator::get()->sendUpdated(anObject, aDispEvent);
332 //********************************************************************
333 bool XGUI_FacesPanel::displayHiddenObjects(
334 const std::set<std::shared_ptr<ModelAPI_Object> >& theObjects,
335 std::set<std::shared_ptr<ModelAPI_Object> >& theHiddenObjects)
337 if (theObjects.empty())
340 bool isModified = false;
341 static Events_ID aDispEvent = Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
343 for (std::set<ObjectPtr>::const_iterator anIt = theObjects.begin(); anIt != theObjects.end();
346 ObjectPtr anObject = *anIt;
347 // if the object was hidden by this panel
348 if (anObject->isDisplayed() || theHiddenObjects.find(anObject) == theHiddenObjects.end())
350 theHiddenObjects.erase(anObject);
351 anObject->setDisplayed(true); // it means that the object is hidden by hide all faces
352 ModelAPI_EventCreator::get()->sendUpdated(anObject, aDispEvent);
358 //********************************************************************
359 bool XGUI_FacesPanel::hideEmptyObjects()
361 bool isModified = false;
362 static Events_ID aDispEvent = Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
363 std::map<ObjectPtr, NCollection_List<TopoDS_Shape> > anObjectToShapes;
364 std::map<ObjectPtr, Handle(ModuleBase_ResultPrs) > anObjectToPrs;
366 for (QMap<int, ModuleBase_ViewerPrsPtr>::const_iterator anIt = myItems.begin();
367 anIt != myItems.end(); anIt++) {
368 ModuleBase_ViewerPrsPtr aPrs = anIt.value();
369 ObjectPtr anObject = aPrs->object();
370 if (!anObject.get() || !anObject->isDisplayed())
373 Handle(ModuleBase_ResultPrs) aResultPrs = Handle(ModuleBase_ResultPrs)::DownCast(
374 aPrs->interactive());
375 if (aResultPrs.IsNull())
378 if (anObjectToShapes.find(anObject) != anObjectToShapes.end())
379 anObjectToShapes.at(anObject).Append(ModuleBase_Tools::getSelectedShape(aPrs));
381 NCollection_List<TopoDS_Shape> aListOfShapes;
382 aListOfShapes.Append(ModuleBase_Tools::getSelectedShape(aPrs));
383 anObjectToShapes[anObject] = aListOfShapes;
384 anObjectToPrs[anObject] = aResultPrs;
387 for (std::map<ObjectPtr, NCollection_List<TopoDS_Shape> >::const_iterator
388 anIt = anObjectToShapes.begin(); anIt != anObjectToShapes.end(); anIt++) {
389 ObjectPtr anObject = anIt->first;
390 if (!anObject.get() || anObjectToPrs.find(anObject) == anObjectToPrs.end())
392 Handle(ModuleBase_ResultPrs) aResultPrs = anObjectToPrs.at(anObject);
394 if (!aResultPrs->hasSubShapeVisible(anIt->second)) {
395 // erase object because it is entirely hidden
396 anObject->setDisplayed(false);
397 myHiddenObjects.insert(anObject);
398 ModelAPI_EventCreator::get()->sendUpdated(anObject, aDispEvent);
405 //********************************************************************
406 void XGUI_FacesPanel::updateProcessedObjects(QMap<int, ModuleBase_ViewerPrsPtr> theItems,
407 std::set<ObjectPtr>& theObjects)
410 for (QMap<int, ModuleBase_ViewerPrsPtr>::const_iterator anIt = theItems.begin();
411 anIt != theItems.end(); anIt++) {
412 ModuleBase_ViewerPrsPtr aPrs = anIt.value();
413 ObjectPtr anObject = aPrs.get() ? aPrs->object() : ObjectPtr();
414 if (anObject.get() && theObjects.find(anObject) != theObjects.end())
416 theObjects.insert(anObject);
420 //********************************************************************
421 void XGUI_FacesPanel::closeEvent(QCloseEvent* theEvent)
423 QDockWidget::closeEvent(theEvent);
427 //********************************************************************
428 bool XGUI_FacesPanel::customizeObject(const ObjectPtr& theObject,
429 const AISObjectPtr& thePresentation)
431 if (myLastItemIndex == 0) // do nothing because there was no activity in the pane after reset
434 if (thePresentation.get() == NULL)
437 if (myItemObjects.find(theObject) == myItemObjects.end()) // not found
440 // if the object is displayed, the hidden faces are collected and set to the presentation
441 bool isModified = false;
442 NCollection_List<TopoDS_Shape> aHiddenSubShapes;
443 for (QMap<int, ModuleBase_ViewerPrsPtr>::const_iterator anIt = myItems.begin();
444 anIt != myItems.end(); anIt++) {
445 ModuleBase_ViewerPrsPtr aPrs = anIt.value();
446 if (aPrs.get() && aPrs->object() != theObject)
448 TopoDS_Shape aShape = ModuleBase_Tools::getSelectedShape(aPrs);
449 if (!aHiddenSubShapes.Contains(aShape))
450 aHiddenSubShapes.Append(aShape);
453 Handle(ModuleBase_ResultPrs) aResultPrs = Handle(ModuleBase_ResultPrs)::DownCast(
454 thePresentation->impl<Handle(AIS_InteractiveObject)>());
455 if (aResultPrs.IsNull())
458 isModified = aResultPrs->setSubShapeHidden(aHiddenSubShapes);
460 double aTransparency = !useTransparency() ? 1
461 : Config_PropManager::real("Visualization", "hidden_face_transparency");
462 isModified = aResultPrs->setHiddenSubShapeTransparency(aTransparency) || isModified;
467 //********************************************************************
468 void XGUI_FacesPanel::onDeleteItem()
473 //********************************************************************
474 void XGUI_FacesPanel::onTransparencyChanged()
476 bool isModified = false;
477 if (useTransparency()) {
478 std::set<std::shared_ptr<ModelAPI_Object> > aHiddenObjects = myHiddenObjects;
479 isModified = displayHiddenObjects(aHiddenObjects, myHiddenObjects);
482 isModified = hideEmptyObjects();
484 isModified = redisplayObjects(myItemObjects) || isModified;
489 //********************************************************************
490 void XGUI_FacesPanel::onClosed()
492 setActivePanel(false);
496 //********************************************************************
497 void XGUI_FacesPanel::flushRedisplay() const
499 Events_Loop::loop()->flush(Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY));
500 // Necessary for update visibility icons in ObjectBrowser
501 XGUI_ObjectsBrowser* anObjectBrowser = XGUI_Tools::workshop(myWorkshop)->objectBrowser();
503 anObjectBrowser->updateAllIndexes();