/
SoFCSelection.cpp
1097 lines (979 loc) · 45.4 KB
/
SoFCSelection.cpp
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/***************************************************************************
* Copyright (c) 2005 Jürgen Riegel <juergen.riegel@web.de> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#include "PreCompiled.h"
#ifndef _PreComp_
# include <qstatusbar.h>
# include <qstring.h>
# include <Inventor/details/SoFaceDetail.h>
# include <Inventor/details/SoLineDetail.h>
# include <Inventor/nodes/SoCube.h>
# include <Inventor/actions/SoGetBoundingBoxAction.h>
# include <Inventor/nodes/SoCube.h>
#endif
#include <Inventor/elements/SoOverrideElement.h>
#include <Inventor/elements/SoLazyElement.h>
#include <Inventor/elements/SoCacheElement.h>
#include <Inventor/elements/SoOverrideElement.h>
#include <Inventor/elements/SoWindowElement.h>
#include <Inventor/SoFullPath.h>
#include <Inventor/actions/SoGLRenderAction.h>
#include <Inventor/actions/SoHandleEventAction.h>
#include <Inventor/events/SoKeyboardEvent.h>
#include <Inventor/events/SoMouseButtonEvent.h>
#include <Inventor/misc/SoState.h>
#include <Inventor/misc/SoChildList.h>
#include <Inventor/events/SoLocation2Event.h>
#include <Inventor/SoPickedPoint.h>
#include "View3DInventor.h"
#include "View3DInventorViewer.h"
#include <Base/Console.h>
#include "SoFCSelection.h"
#include "MainWindow.h"
#include "Selection.h"
#include "SoFCSelectionAction.h"
#include "SoFCInteractiveElement.h"
#include "SoFCUnifiedSelection.h"
#include "ViewParams.h"
// For 64-bit system the method using the front buffer doesn't work at all for lines.
// Thus, use the method which forces a redraw every time. This is a bit slower but at
// least it works.
//
// Disable front buffer in all cases, in order to spare the repeating logic of
// handling selection contextn. SoFCSelection is not really used that much
// anyway.
//
// #if defined(_OCC64) // is set by configure or cmake
# define NO_FRONTBUFFER
// #endif
using namespace Gui;
namespace Gui {
std::array<std::pair<double, std::string>,3 > schemaTranslatePoint(double x, double y, double z, double precision);
}
SoFullPath * Gui::SoFCSelection::currenthighlight = NULL;
// *************************************************************************
SO_NODE_SOURCE(SoFCSelection)
/*!
Constructor.
*/
SoFCSelection::SoFCSelection()
{
SO_NODE_CONSTRUCTOR(SoFCSelection);
SO_NODE_ADD_FIELD(colorHighlight, (SbColor(0.8f, 0.1f, 0.1f)));
SO_NODE_ADD_FIELD(colorSelection, (SbColor(0.1f, 0.8f, 0.1f)));
SO_NODE_ADD_FIELD(style, (EMISSIVE));
SO_NODE_ADD_FIELD(highlightMode, (AUTO));
SO_NODE_ADD_FIELD(selectionMode, (SEL_ON));
SO_NODE_ADD_FIELD(selected, (NOTSELECTED));
SO_NODE_ADD_FIELD(documentName, (""));
SO_NODE_ADD_FIELD(objectName, (""));
SO_NODE_ADD_FIELD(subElementName, (""));
SO_NODE_ADD_FIELD(useNewSelection, (true));
SO_NODE_DEFINE_ENUM_VALUE(Styles, EMISSIVE);
SO_NODE_DEFINE_ENUM_VALUE(Styles, EMISSIVE_DIFFUSE);
SO_NODE_DEFINE_ENUM_VALUE(Styles, BOX);
SO_NODE_SET_SF_ENUM_TYPE(style, Styles);
SO_NODE_DEFINE_ENUM_VALUE(HighlightModes, AUTO);
SO_NODE_DEFINE_ENUM_VALUE(HighlightModes, ON);
SO_NODE_DEFINE_ENUM_VALUE(HighlightModes, OFF);
SO_NODE_SET_SF_ENUM_TYPE (highlightMode, HighlightModes);
SO_NODE_DEFINE_ENUM_VALUE(SelectionModes, SEL_ON);
SO_NODE_DEFINE_ENUM_VALUE(SelectionModes, SEL_OFF);
SO_NODE_SET_SF_ENUM_TYPE (selectionMode, SelectionModes);
SO_NODE_DEFINE_ENUM_VALUE(Selected, NOTSELECTED);
SO_NODE_DEFINE_ENUM_VALUE(Selected, SELECTED);
SO_NODE_SET_SF_ENUM_TYPE(selected, Selected);
highlighted = false;
bShift = false;
bCtrl = false;
selected = NOTSELECTED;
useNewSelection = ViewParams::instance()->getUseNewSelection();
selContext = std::make_shared<SelContext>();
selContext2 = std::make_shared<SelContext>();
}
/*!
Destructor.
*/
SoFCSelection::~SoFCSelection()
{
// If we're being deleted and we're the current highlight,
// NULL out that variable
if (currenthighlight != NULL &&
(!currenthighlight->getTail()->isOfType(SoFCSelection::getClassTypeId()))) {
currenthighlight->unref();
currenthighlight = NULL;
}
//delete THIS;
}
// doc from parent
void
SoFCSelection::initClass(void)
{
SO_NODE_INIT_CLASS(SoFCSelection,SoGroup,"Group");
}
void SoFCSelection::finish()
{
atexit_cleanup();
}
/*!
Static method that can be used to turn off the current highlight.
*/
void
SoFCSelection::turnOffCurrentHighlight(SoGLRenderAction * action)
{
SoFCSelection::turnoffcurrent(action);
}
void SoFCSelection::doAction(SoAction *action)
{
if(useNewSelection.getValue() && action->getCurPathCode()!=SoAction::OFF_PATH) {
if (action->getTypeId() == Gui::SoHighlightElementAction::getClassTypeId()) {
Gui::SoHighlightElementAction* hlaction = static_cast<Gui::SoHighlightElementAction*>(action);
if(!hlaction->isHighlighted()) {
auto ctx = Gui::SoFCSelectionRoot::getActionContext(action,this,selContext,false);
if(ctx->isHighlighted()) {
ctx->highlightIndex = -1;
touch();
}
}else{
auto ctx = Gui::SoFCSelectionRoot::getActionContext(action,this,selContext);
ctx->highlightColor = hlaction->getColor();
if(!ctx->isHighlighted()) {
ctx->highlightIndex = 0;
touch();
}
}
return;
} else if (action->getTypeId() == Gui::SoSelectionElementAction::getClassTypeId()) {
Gui::SoSelectionElementAction* selaction = static_cast<Gui::SoSelectionElementAction*>(action);
if (selaction->getType() == Gui::SoSelectionElementAction::All ||
selaction->getType() == Gui::SoSelectionElementAction::Append) {
SelContextPtr ctx = Gui::SoFCSelectionRoot::getActionContext(action,this,selContext);
ctx->selectionColor = selaction->getColor();
if(!ctx->isSelectAll()) {
ctx->selectAll();
this->touch();
}
} else if (selaction->getType() == Gui::SoSelectionElementAction::None ||
selaction->getType() == Gui::SoSelectionElementAction::Remove) {
SelContextPtr ctx = Gui::SoFCSelectionRoot::getActionContext(action,this,selContext,false);
if(ctx && ctx->isSelected()) {
ctx->selectionIndex.clear();
this->touch();
}
}
return;
}
}
if (action->getTypeId() == SoFCDocumentAction::getClassTypeId()) {
SoFCDocumentAction *docaction = (SoFCDocumentAction*)action;
this->documentName = docaction->documentName;
}
if (action->getTypeId() == SoFCDocumentObjectAction::getClassTypeId()) {
SoFCDocumentObjectAction* objaction = static_cast<SoFCDocumentObjectAction*>(action);
objaction->documentName = this->documentName.getValue();
objaction->objectName = this->objectName.getValue();
objaction->componentName = this->subElementName.getValue();
objaction->setHandled();
}
if(!useNewSelection.getValue()) {
if (action->getTypeId() == SoFCEnableHighlightAction::getClassTypeId()) {
SoFCEnableHighlightAction *preaction = (SoFCEnableHighlightAction*)action;
if (preaction->highlight) {
this->highlightMode = SoFCSelection::AUTO;
}
else {
this->highlightMode = SoFCSelection::OFF;
}
}
if (action->getTypeId() == SoFCEnableSelectionAction::getClassTypeId()) {
SoFCEnableSelectionAction *selaction = (SoFCEnableSelectionAction*)action;
if (selaction->selection) {
this->selectionMode = SoFCSelection::SEL_ON;
}
else {
this->selectionMode = SoFCSelection::SEL_OFF;
if (selected.getValue() == SELECTED) {
this->selected = NOTSELECTED;
}
}
}
if (action->getTypeId() == SoFCSelectionColorAction::getClassTypeId()) {
SoFCSelectionColorAction *colaction = (SoFCSelectionColorAction*)action;
this->colorSelection = colaction->selectionColor;
}
if (action->getTypeId() == SoFCHighlightColorAction::getClassTypeId()) {
SoFCHighlightColorAction *colaction = (SoFCHighlightColorAction*)action;
this->colorHighlight = colaction->highlightColor;
}
if (selectionMode.getValue() == SEL_ON && action->getTypeId() == SoFCSelectionAction::getClassTypeId()) {
SoFCSelectionAction *selaction = static_cast<SoFCSelectionAction*>(action);
if (selaction->SelChange.Type == SelectionChanges::AddSelection ||
selaction->SelChange.Type == SelectionChanges::RmvSelection) {
if (documentName.getValue() == selaction->SelChange.pDocName &&
objectName.getValue() == selaction->SelChange.pObjectName &&
(subElementName.getValue() == selaction->SelChange.pSubName ||
*(selaction->SelChange.pSubName) == '\0') ) {
if (selaction->SelChange.Type == SelectionChanges::AddSelection) {
if(selected.getValue() == NOTSELECTED){
selected = SELECTED;
}
}
else {
if(selected.getValue() == SELECTED){
selected = NOTSELECTED;
}
}
return;
}
}
else if (selaction->SelChange.Type == SelectionChanges::ClrSelection) {
if (documentName.getValue() == selaction->SelChange.pDocName ||
strcmp(selaction->SelChange.pDocName,"") == 0){
if(selected.getValue() == SELECTED){
selected = NOTSELECTED;
}
}
}
else if (selaction->SelChange.Type == SelectionChanges::SetSelection) {
bool sel = Selection().isSelected(
documentName.getValue().getString(),
objectName.getValue().getString()/*,
subElementName.getValue().getString()*/);
if (sel) {
if (selected.getValue() == NOTSELECTED) {
selected = SELECTED;
}
}
else {
if (selected.getValue() == SELECTED) {
selected = NOTSELECTED;
}
}
}
}
}
inherited::doAction( action );
}
int SoFCSelection::getPriority(const SoPickedPoint* p)
{
const SoDetail* detail = p->getDetail();
if(!detail) return 0;
if(detail->isOfType(SoFaceDetail::getClassTypeId())) return 1;
if(detail->isOfType(SoLineDetail::getClassTypeId())) return 2;
if(detail->isOfType(SoPointDetail::getClassTypeId())) return 3;
return 0;
}
const SoPickedPoint*
SoFCSelection::getPickedPoint(SoHandleEventAction* action) const
{
// To identify the picking of lines in a concave area we have to
// get all intersection points. If we have two or more intersection
// points where the first is of a face and the second of a line with
// almost similar coordinates we use the second point, instead.
const SoPickedPointList & points = action->getPickedPointList();
if (points.getLength() == 0)
return 0;
else if (points.getLength() == 1)
return points[0];
//const SoPickedPoint* pp0 = points[0];
//const SoPickedPoint* pp1 = points[1];
//const SoDetail* det0 = pp0->getDetail();
//const SoDetail* det1 = pp1->getDetail();
//if (det0 && det0->isOfType(SoFaceDetail::getClassTypeId()) &&
// det1 && det1->isOfType(SoLineDetail::getClassTypeId())) {
// const SbVec3f& pt0 = pp0->getPoint();
// const SbVec3f& pt1 = pp1->getPoint();
// if (pt0.equals(pt1, 0.01f))
// return pp1;
//}
//return pp0;
const SoPickedPoint* picked = points[0];
int picked_prio = getPriority(picked);
const SbVec3f& picked_pt = picked->getPoint();
for(int i=1; i<points.getLength();i++) {
const SoPickedPoint* cur = points[i];
int cur_prio = getPriority(cur);
const SbVec3f& cur_pt = cur->getPoint();
if ((cur_prio > picked_prio) && picked_pt.equals(cur_pt, 0.01f)) {
picked = cur;
picked_prio = cur_prio;
}
}
return picked;
}
// doc from parent
void
SoFCSelection::handleEvent(SoHandleEventAction * action)
{
if(useNewSelection.getValue()) {
inherited::handleEvent( action );
return;
}
static char buf[513];
HighlightModes mymode = (HighlightModes) this->highlightMode.getValue();
const SoEvent * event = action->getEvent();
#ifdef NO_FRONTBUFFER
// mouse move events for preselection
if (event->isOfType(SoLocation2Event::getClassTypeId())) {
// NOTE: If preselection is off then we do not check for a picked point because otherwise this search may slow
// down extremely the system on really big data sets. In this case we just check for a picked point if the data
// set has been selected.
if (mymode == AUTO || mymode == ON) {
const SoPickedPoint * pp = this->getPickedPoint(action);
if (pp && pp->getPath()->containsPath(action->getCurPath())) {
if (!highlighted) {
if (Gui::Selection().setPreselect(documentName.getValue().getString()
,objectName.getValue().getString()
,subElementName.getValue().getString()
,pp->getPoint()[0]
,pp->getPoint()[1]
,pp->getPoint()[2])){
SoFCSelection::turnoffcurrent(action);
SoFCSelection::currenthighlight = (SoFullPath*)action->getCurPath()->copy();
SoFCSelection::currenthighlight->ref();
highlighted = true;
this->touch(); // force scene redraw
this->redrawHighlighted(action, true);
}
}
const auto &pt = pp->getPoint();
auto pts = schemaTranslatePoint(pt[0], pt[1], pt[2], 1e-7);
snprintf(buf,512,"Preselected: %s.%s.%s (%f %s, %f %s, %f %s)"
,documentName.getValue().getString()
,objectName.getValue().getString()
,subElementName.getValue().getString()
,pts[0].first, pts[0].second.c_str()
,pts[1].first, pts[1].second.c_str()
,pts[2].first, pts[2].second.c_str());
getMainWindow()->showMessage(QString::fromLatin1(buf));
}
else { // picked point
if (highlighted) {
if (mymode == AUTO)
SoFCSelection::turnoffcurrent(action);
//FIXME: I think we should set 'highlighted' to false whenever no point is picked
//else
highlighted = false;
Gui::Selection().rmvPreselect();
}
}
}
} // key press events
else if (event->isOfType(SoKeyboardEvent ::getClassTypeId())) {
SoKeyboardEvent * const e = (SoKeyboardEvent *) event;
if (SoKeyboardEvent::isKeyPressEvent(e,SoKeyboardEvent::LEFT_SHIFT) ||
SoKeyboardEvent::isKeyPressEvent(e,SoKeyboardEvent::RIGHT_SHIFT) )
bShift = true;
if (SoKeyboardEvent::isKeyReleaseEvent(e,SoKeyboardEvent::LEFT_SHIFT) ||
SoKeyboardEvent::isKeyReleaseEvent(e,SoKeyboardEvent::RIGHT_SHIFT) )
bShift = false;
if (SoKeyboardEvent::isKeyPressEvent(e,SoKeyboardEvent::LEFT_CONTROL) ||
SoKeyboardEvent::isKeyPressEvent(e,SoKeyboardEvent::RIGHT_CONTROL) )
bCtrl = true;
if (SoKeyboardEvent::isKeyReleaseEvent(e,SoKeyboardEvent::LEFT_CONTROL) ||
SoKeyboardEvent::isKeyReleaseEvent(e,SoKeyboardEvent::RIGHT_CONTROL) )
bCtrl = false;
} // mouse press events for (de)selection
else if (event->isOfType(SoMouseButtonEvent::getClassTypeId())) {
SoMouseButtonEvent * const e = (SoMouseButtonEvent *) event;
if (SoMouseButtonEvent::isButtonReleaseEvent(e,SoMouseButtonEvent::BUTTON1)) {
//FIXME: Shouldn't we remove the preselection for newly selected objects?
// Otherwise the tree signals that an object is preselected even though it is hidden. (Werner)
const SoPickedPoint * pp = this->getPickedPoint(action);
if (pp && pp->getPath()->containsPath(action->getCurPath())) {
const auto &pt = pp->getPoint();
if (bCtrl) {
if (Gui::Selection().isSelected(documentName.getValue().getString()
,objectName.getValue().getString()
,subElementName.getValue().getString())) {
Gui::Selection().rmvSelection(documentName.getValue().getString()
,objectName.getValue().getString()
,subElementName.getValue().getString());
} else {
Gui::Selection().addSelection(documentName.getValue().getString()
,objectName.getValue().getString()
,subElementName.getValue().getString()
,pt[0] ,pt[1] ,pt[2]);
if (mymode == OFF) {
snprintf(buf,512,"Selected: %s.%s.%s (%g, %g, %g)",documentName.getValue().getString()
,objectName.getValue().getString()
,subElementName.getValue().getString()
,fabs(pt[0])>1e-7?pt[0]:0.0
,fabs(pt[1])>1e-7?pt[1]:0.0
,fabs(pt[2])>1e-7?pt[2]:0.0);
getMainWindow()->showMessage(QString::fromLatin1(buf));
}
}
}
else { // Ctrl
if (!Gui::Selection().isSelected(documentName.getValue().getString()
,objectName.getValue().getString()
,subElementName.getValue().getString())) {
Gui::Selection().clearSelection(documentName.getValue().getString());
Gui::Selection().addSelection(documentName.getValue().getString()
,objectName.getValue().getString()
,subElementName.getValue().getString()
,pt[0] ,pt[1] ,pt[2]);
}
else {
Gui::Selection().clearSelection(documentName.getValue().getString());
Gui::Selection().addSelection(documentName.getValue().getString()
,objectName.getValue().getString()
,0 ,pt[0] ,pt[1] ,pt[2]);
}
if (mymode == OFF) {
snprintf(buf,512,"Selected: %s.%s.%s (%g, %g, %g)",documentName.getValue().getString()
,objectName.getValue().getString()
,subElementName.getValue().getString()
,fabs(pt[0])>1e-7?pt[0]:0.0
,fabs(pt[1])>1e-7?pt[1]:0.0
,fabs(pt[2])>1e-7?pt[2]:0.0);
getMainWindow()->showMessage(QString::fromLatin1(buf));
}
}
action->setHandled();
} // picked point
} // mouse release
}
inherited::handleEvent(action);
#else
// If we don't need to pick for locate highlighting,
// then just behave as separator and return.
// NOTE: we still have to pick for ON even though we don't have
// to re-render, because the app needs to be notified as the mouse
// goes over locate highlight nodes.
//if (highlightMode.getValue() == OFF) {
// inherited::handleEvent( action );
// return;
//}
//
// If this is a mouseMotion event, then check for locate highlighting
//
if (event->isOfType(SoLocation2Event::getClassTypeId())) {
// check to see if the mouse is over our geometry...
SbBool underTheMouse = false;
const SoPickedPoint * pp = this->getPickedPoint(action);
SoFullPath *pPath = (pp != NULL) ? (SoFullPath *) pp->getPath() : NULL;
if (pPath && pPath->containsPath(action->getCurPath())) {
// Make sure I'm the lowest LocHL in the pick path!
underTheMouse = true;
for (int i = 0; i < pPath->getLength(); i++) {
SoNode *node = pPath->getNodeFromTail(i);
if (node->isOfType(SoFCSelection::getClassTypeId())) {
if (node != this)
underTheMouse = false;
break; // found the lowest LocHL - look no further
}
}
}
// Am I currently highlighted?
if (isHighlighted(action)) {
if (! underTheMouse) {
// re-draw the object with it's normal color
//if(mymode != OFF)
redrawHighlighted(action, false);
Gui::Selection().rmvPreselect();
}
else {
action->setHandled();
//const SoPickedPoint * pp = action->getPickedPoint();
Gui::Selection().setPreselectCoord(pp->getPoint()[0]
,pp->getPoint()[1]
,pp->getPoint()[2]);
}
}
// Else I am not currently highlighted
else {
// If under the mouse, then highlight!
if (underTheMouse) {
// draw this object highlighted
if (mymode != OFF)
redrawHighlighted(action, true);
//const SoPickedPoint * pp = action->getPickedPoint();
Gui::Selection().setPreselect(documentName.getValue().getString()
,objectName.getValue().getString()
,subElementName.getValue().getString()
,pp->getPoint()[0]
,pp->getPoint()[1]
,pp->getPoint()[2]);
}
}
//if(selected == SELECTED){
// redrawHighlighted(action, true);
//}
//if(selectionCleared ){
// redrawHighlighted(action, false);
// selectionCleared = false;
//}
}
// key press events
else if (event->isOfType(SoKeyboardEvent ::getClassTypeId())) {
SoKeyboardEvent * const e = (SoKeyboardEvent *) event;
if (SoKeyboardEvent::isKeyPressEvent(e,SoKeyboardEvent::LEFT_SHIFT) ||
SoKeyboardEvent::isKeyPressEvent(e,SoKeyboardEvent::RIGHT_SHIFT) )
bShift = true;
if (SoKeyboardEvent::isKeyReleaseEvent(e,SoKeyboardEvent::LEFT_SHIFT) ||
SoKeyboardEvent::isKeyReleaseEvent(e,SoKeyboardEvent::RIGHT_SHIFT) )
bShift = false;
if (SoKeyboardEvent::isKeyPressEvent(e,SoKeyboardEvent::LEFT_CONTROL) ||
SoKeyboardEvent::isKeyPressEvent(e,SoKeyboardEvent::RIGHT_CONTROL) )
bCtrl = true;
if (SoKeyboardEvent::isKeyReleaseEvent(e,SoKeyboardEvent::LEFT_CONTROL) ||
SoKeyboardEvent::isKeyReleaseEvent(e,SoKeyboardEvent::RIGHT_CONTROL) )
bCtrl = false;
}
// mouse press events for (de)selection (only if selection is enabled on this node)
else if (event->isOfType(SoMouseButtonEvent::getClassTypeId()) &&
selectionMode.getValue() == SoFCSelection::SEL_ON) {
SoMouseButtonEvent * const e = (SoMouseButtonEvent *) event;
if (SoMouseButtonEvent::isButtonReleaseEvent(e,SoMouseButtonEvent::BUTTON1)) {
//FIXME: Shouldn't we remove the preselection for newly selected objects?
// Otherwise the tree signals that an object is preselected even though it is hidden. (Werner)
const SoPickedPoint * pp = this->getPickedPoint(action);
if (pp && pp->getPath()->containsPath(action->getCurPath())) {
const auto &pt = pp->getPoint();
if (bCtrl) {
if (Gui::Selection().isSelected(documentName.getValue().getString()
,objectName.getValue().getString()
,subElementName.getValue().getString())) {
Gui::Selection().rmvSelection(documentName.getValue().getString()
,objectName.getValue().getString()
,subElementName.getValue().getString());
}
else {
Gui::Selection().addSelection(documentName.getValue().getString()
,objectName.getValue().getString()
,subElementName.getValue().getString()
,pt[0] ,pt[1] ,pt[2]);
if (mymode == OFF) {
snprintf(buf,512,"Selected: %s.%s.%s (%g, %g, %g)",documentName.getValue().getString()
,objectName.getValue().getString()
,subElementName.getValue().getString()
,fabs(pt[0])>1e-7?pt[0]:0.0
,fabs(pt[1])>1e-7?pt[1]:0.0
,fabs(pt[2])>1e-7?pt[2]:0.0);
getMainWindow()->showMessage(QString::fromLatin1(buf));
}
}
}
else { // Ctrl
if (!Gui::Selection().isSelected(documentName.getValue().getString()
,objectName.getValue().getString()
,subElementName.getValue().getString())) {
Gui::Selection().clearSelection(documentName.getValue().getString());
Gui::Selection().addSelection(documentName.getValue().getString()
,objectName.getValue().getString()
,subElementName.getValue().getString()
,pt[0] ,pt[1] ,pt[2]);
}
else {
Gui::Selection().clearSelection(documentName.getValue().getString());
Gui::Selection().addSelection(documentName.getValue().getString()
,objectName.getValue().getString()
,0 ,pt[0] ,pt[1] ,pt[2]);
}
if (mymode == OFF) {
snprintf(buf,512,"Selected: %s.%s.%s (%g, %g, %g)",documentName.getValue().getString()
,objectName.getValue().getString()
,subElementName.getValue().getString()
,fabs(pt[0])>1e-7?pt[0]:0.0
,fabs(pt[1])>1e-7?pt[1]:0.0
,fabs(pt[2])>1e-7?pt[2]:0.0);
getMainWindow()->showMessage(QString::fromLatin1(buf));
}
}
action->setHandled();
} // picked point
} // mouse release
}
// Let the base class traverse the children.
if (action->getGrabber() != this)
inherited::handleEvent(action);
#endif
}
// doc from parent
void
SoFCSelection::GLRenderBelowPath(SoGLRenderAction * action)
{
SoState * state = action->getState();
SelContextPtr ctx = Gui::SoFCSelectionRoot::getRenderContext<SelContext>(this,selContext);
if(selContext2->checkGlobal(ctx))
ctx = selContext2;
if(!useNewSelection.getValue() && selContext == ctx) {
ctx->selectionColor = this->colorSelection.getValue();
ctx->highlightColor = this->colorHighlight.getValue();
if(this->selected.getValue()==SELECTED)
ctx->selectAll();
else
ctx->selectionIndex.clear();
ctx->highlightIndex = this->highlighted?0:-1;
}
#ifdef NO_FRONTBUFFER
// check if preselection is active
if(this->setOverride(action,ctx)) {
inherited::GLRenderBelowPath(action);
state->pop();
} else
inherited::GLRenderBelowPath(action);
#else
// Set up state for locate highlighting (if necessary)
GLint oldDepthFunc;
SbBool drawHighlighted = preRender(action, oldDepthFunc);
// now invoke the parent method
inherited::GLRenderBelowPath(action);
// Restore old depth buffer model if needed
if (drawHighlighted || highlighted)
glDepthFunc((GLenum)oldDepthFunc);
// Clean up state if needed
if (drawHighlighted)
action->getState()->pop();
#endif
}
void SoFCSelection::GLRender(SoGLRenderAction * action)
{
SoState * state = action->getState();
SelContextPtr ctx = Gui::SoFCSelectionRoot::getRenderContext<SelContext>(this,selContext);
if(selContext2->checkGlobal(ctx))
ctx = selContext2;
if(!useNewSelection.getValue() && selContext == ctx) {
ctx->selectionColor = this->colorSelection.getValue();
ctx->highlightColor = this->colorHighlight.getValue();
if(this->selected.getValue()==SELECTED)
ctx->selectAll();
else
ctx->selectionIndex.clear();
ctx->highlightIndex = this->highlighted?0:-1;
}
#ifdef NO_FRONTBUFFER
// check if preselection is active
if(this->setOverride(action,ctx)) {
inherited::GLRender(action);
state->pop();
} else
inherited::GLRender(action);
#else
// Set up state for locate highlighting (if necessary)
GLint oldDepthFunc;
SbBool drawHighlighted = preRender(action, oldDepthFunc);
// now invoke the parent method
inherited::GLRender(action);
// Restore old depth buffer model if needed
if (drawHighlighted || highlighted)
glDepthFunc((GLenum)oldDepthFunc);
// Clean up state if needed
if (drawHighlighted)
action->getState()->pop();
#endif
}
// doc from parent
void
SoFCSelection::GLRenderInPath(SoGLRenderAction * action)
{
SelContextPtr ctx = Gui::SoFCSelectionRoot::getRenderContext<SelContext>(this,selContext);
if(selContext2->checkGlobal(ctx))
ctx = selContext2;
if(!useNewSelection.getValue() && selContext == ctx) {
ctx->selectionColor = this->colorSelection.getValue();
ctx->highlightColor = this->colorHighlight.getValue();
if(this->selected.getValue()==SELECTED)
ctx->selectAll();
else
ctx->selectionIndex.clear();
ctx->highlightIndex = this->highlighted?0:-1;
}
#ifdef NO_FRONTBUFFER
// check if preselection is active
SoState * state = action->getState();
if(this->setOverride(action,ctx)) {
inherited::GLRenderInPath(action);
state->pop();
} else
inherited::GLRenderInPath(action);
#else
// Set up state for locate highlighting (if necessary)
GLint oldDepthFunc;
SbBool drawHighlighted = preRender(action, oldDepthFunc);
// now invoke the parent method
inherited::GLRenderInPath(action);
// Restore old depth buffer model if needed
if (drawHighlighted || highlighted)
glDepthFunc((GLenum)oldDepthFunc);
// Clean up state if needed
if (drawHighlighted)
action->getState()->pop();
#endif
}
SbBool
SoFCSelection::preRender(SoGLRenderAction *action, GLint &oldDepthFunc)
//
////////////////////////////////////////////////////////////////////////
{
// If not performing locate highlighting, just return.
if (highlightMode.getValue() == OFF)
return false;
SoState *state = action->getState();
// ??? prevent caching at this level - for some reason the
// ??? SoWindowElement::copyMatchInfo() method get called, which should
// ??? never be called. We are not caching this node correctly yet....
//SoCacheElement::invalidate(state);
SbBool drawHighlighted = (highlightMode.getValue() == ON || isHighlighted(action) || selected.getValue() == SELECTED);
if (drawHighlighted) {
// prevent diffuse & emissive color from leaking out...
state->push();
SbColor col;
if (selected.getValue() == SELECTED)
col = colorSelection.getValue();
else
col = colorHighlight.getValue();
// Emissive Color
SoLazyElement::setEmissive(state, &col);
SoOverrideElement::setEmissiveColorOverride(state, this, true);
// Diffuse Color
if (style.getValue() == EMISSIVE_DIFFUSE) {
SoLazyElement::setDiffuse(state, this, 1, &col, &colorpacker);
SoOverrideElement::setDiffuseColorOverride(state, this, true);
}
}
// Draw on top of other things at same z-buffer depth if:
// [a] we're highlighted
// [b] this is the highlighting pass. This occurs when changing from
// non-hilit to lit OR VICE VERSA.
// Otherwise, leave it alone...
if (drawHighlighted || highlighted) {
glGetIntegerv(GL_DEPTH_FUNC, &oldDepthFunc);
if (oldDepthFunc != GL_LEQUAL)
glDepthFunc(GL_LEQUAL);
}
return drawHighlighted;
}
/*!
Empty method in Coin. Can be used by subclasses to be told
when status change.
*/
void
SoFCSelection::redrawHighlighted(SoAction * action , SbBool doHighlight )
{
Q_UNUSED(action);
Q_UNUSED(doHighlight);
//Base::Console().Log("SoFCSelection::redrawHighlighted() (%p) doHigh=%d \n",this,doHighlight?1:0);
#ifdef NO_FRONTBUFFER
#else
// If we are about to highlight, and there is something else highlighted,
// that something else needs to unhighlight.
if (doHighlight && currenthighlight != NULL &&
!(*((SoFullPath *)action->getCurPath()) == *currenthighlight)) {
SoNode *tail = currenthighlight->getTail();
if (tail->isOfType( SoFCSelection::getClassTypeId()))
((SoFCSelection *)tail)->redrawHighlighted(action, false);
else {
// Just get rid of the path. It's no longer valid for redraw.
currenthighlight->unref();
currenthighlight = NULL;
}
}
SoPath *pathToRender;
// save the path to ourself for later de-highlight
if (doHighlight) {
if (currenthighlight != NULL)
currenthighlight->unref();
currenthighlight = (SoFullPath *) action->getCurPath()->copy();
currenthighlight->ref();
// We will be rendering this new path to highlight it
pathToRender = currenthighlight;
pathToRender->ref();
}
// delete our path if we are no longer highlighted
else {
if (currenthighlight) {
// We will be rendering this old path to unhighlight it
pathToRender = currenthighlight;
pathToRender->ref();
currenthighlight->unref();
currenthighlight = NULL;
}
}
// If highlighting is forced on for this node, we don't need this special render.
if (highlightMode.getValue() != AUTO) {
pathToRender->unref();
return;
}
SoState *state = action->getState();
//void* window;
//void* context;
//void *display;
QtGLWidget* window;
SoGLRenderAction *glAction;
//SoWindowElement::get(state, window, context, display, glAction);
SoGLWidgetElement::get(state, window);
SoGLRenderActionElement::get(state, glAction);
// If we don't have a current window, then simply return...
if (window == 0 /*|| context == NULL || display == NULL*/ || glAction == NULL)
return;
window->makeCurrent();
#ifndef WIN32
// set the current window
//glXMakeCurrent(display, window, context);
#endif
// render into the front buffer (save the current buffering type)
GLint whichBuffer;
glGetIntegerv(GL_DRAW_BUFFER, &whichBuffer);
if (whichBuffer != GL_FRONT)
glDrawBuffer(GL_FRONT);
highlighted = true;
glAction->apply(pathToRender);
highlighted = false;
// restore the buffering type
if (whichBuffer != GL_FRONT)
glDrawBuffer((GLenum)whichBuffer);
glFlush();
pathToRender->unref();
#endif
}
SbBool
SoFCSelection::readInstance ( SoInput * in, unsigned short flags )
{
// Note: The read in document name can be false, so the caller must ensure pointing to the correct document
SbBool ret = inherited::readInstance(in, flags);
return ret;
}
//
// update override state before rendering
//
bool
SoFCSelection::setOverride(SoGLRenderAction * action, SelContextPtr ctx)
{
HighlightModes mymode = (HighlightModes) this->highlightMode.getValue();
bool preselected = ctx && ctx->isHighlighted() && (useNewSelection.getValue()||mymode == AUTO);
if (!preselected && mymode!=ON && (!ctx || !ctx->isSelected()))
return false;
// uniqueId is returned by SoNode::getNodeId(). It is used to notify change
// and for render cache update. In order to update cache on selection state
// change, We manually change the id here by using a combined hash of the
// original id and context pointer.
auto oldId = this->uniqueId;
this->uniqueId ^= std::hash<void*>()(ctx.get()) + 0x9e3779b9 + (oldId << 6) + (oldId >> 2);
Styles mystyle = (Styles) this->style.getValue();
if(mystyle == SoFCSelection::BOX) {
SoFCSelectionRoot::renderBBox(
action,this,preselected?ctx->highlightColor:ctx->selectionColor);
this->uniqueId = oldId;
return false;
}
//Base::Console().Log("SoFCSelection::setOverride() (%p)\n",this);
SoState * state = action->getState();
state->push();
SoMaterialBindingElement::set(state,SoMaterialBindingElement::OVERALL);
SoOverrideElement::setMaterialBindingOverride(state,this,true);
if(!preselected)
SoLazyElement::setEmissive(state, &ctx->selectionColor);
else
SoLazyElement::setEmissive(state, &ctx->highlightColor);
SoOverrideElement::setEmissiveColorOverride(state, this, true);