Merge branch 'CGAL_headers_only-gdamiand_cjamin-OLD' into CGAL_headers_only-gdamiand_cjamin
This commit is contained in:
@@ -19,178 +19,9 @@
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// Author(s) : Andreas Fabri <Andreas.Fabri@geometryfactory.com>
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// Laurent Rineau <Laurent.Rineau@geometryfactory.com>
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#include <QGraphicsItem>
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#include <QGraphicsPathItem>
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#include <QGraphicsScene>
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#include <QGraphicsSceneMouseEvent>
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#include <QPainter>
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#include <QPolygonF>
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#include <QPainterPath>
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#include <QEvent>
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#include <QKeyEvent>
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#ifndef CGAL_HEADER_ONLY
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#include <CGAL/Qt/GraphicsViewPolylineInput.h>
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#include <CGAL/Qt/GraphicsViewPolylineInput_impl.h>
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namespace CGAL {
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namespace Qt {
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GraphicsViewPolylineInput_non_templated_base::
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GraphicsViewPolylineInput_non_templated_base(QObject* parent,
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QGraphicsScene* s,
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int n,
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bool closed)
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: GraphicsViewInput(parent), closed_(closed), path_item(NULL), b(NULL), e(NULL), n_(n), scene_(s)
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{}
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bool
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GraphicsViewPolylineInput_non_templated_base::mousePressEvent(QGraphicsSceneMouseEvent *event)
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{
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if( event->modifiers() ){
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return false;
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}
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if( event->button() != ::Qt::RightButton
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&& event->button() != ::Qt::LeftButton ){
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return false;
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}
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polygon.push_back(event->scenePos());
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if(path_item){
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scene_->removeItem(path_item);
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delete path_item;
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path_item = NULL;
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}
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if( (event->button() == ::Qt::RightButton) || (polygon.size() == n_) ){
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// call the virtual function generate_polygon(), that emit a
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// CGAL::Object containing a list of points
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generate_polygon();
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polygon.clear();
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if(b){
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scene_->removeItem(b);
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delete b;
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b = NULL;
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}
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if(e){
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scene_->removeItem(e);
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delete e;
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e = NULL;
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}
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return true;
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}
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if(event->button() == ::Qt::LeftButton){
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QPainterPath qpp;
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qpp.addPolygon(polygon);
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path_item = new QGraphicsPathItem(qpp);
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path_item->setPen(QPen(::Qt::red, 0, ::Qt::SolidLine, ::Qt::RoundCap, ::Qt::RoundJoin));
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scene_->addItem(path_item);
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return true;
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}
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return false;
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}
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void
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GraphicsViewPolylineInput_non_templated_base::rubberbands(const QPointF& p)
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{
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if(polygon.empty()){
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return;
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}
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if(!b && closed_ ){
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b = new QGraphicsLineItem();
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b->setPen(QPen(::Qt::red, 0, ::Qt::SolidLine, ::Qt::RoundCap, ::Qt::RoundJoin));
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scene_->addItem(b);
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}
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if( !e){
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e = new QGraphicsLineItem();
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e->setPen(QPen(::Qt::red, 0, ::Qt::SolidLine, ::Qt::RoundCap, ::Qt::RoundJoin));
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scene_->addItem(e);
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}
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if(closed_){
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QLineF bLine(polygon.front(), p);
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b->setLine(bLine);
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}
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QLineF eLine(polygon.back(), p);
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e->setLine(eLine);
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}
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void
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GraphicsViewPolylineInput_non_templated_base::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
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{
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sp = event->scenePos();
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rubberbands(sp);
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}
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bool
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GraphicsViewPolylineInput_non_templated_base::keyPressEvent ( QKeyEvent * event )
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{
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if( event->modifiers() )
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return false;
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switch(event->key())
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{
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case ::Qt::Key_Delete:
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case ::Qt::Key_Escape:
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case ::Qt::Key_Backspace:
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break;
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default:
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return false;
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}
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if(polygon.empty()){
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return true;
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}
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polygon.pop_back();
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if(polygon.empty()){
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if(b){
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scene_->removeItem(b);
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delete b;
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b = NULL;
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}
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if(e){
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scene_->removeItem(e);
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delete e;
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e = NULL;
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}
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return true;
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}
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if(path_item){
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scene_->removeItem(path_item);
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delete path_item;
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path_item = NULL;
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}
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QPainterPath qpp;
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qpp.addPolygon(polygon);
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path_item = new QGraphicsPathItem(qpp);
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path_item->setPen(QPen(::Qt::red, 0, ::Qt::SolidLine, ::Qt::RoundCap, ::Qt::RoundJoin));
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scene_->addItem(path_item);
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rubberbands(sp);
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return true;
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}
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bool
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GraphicsViewPolylineInput_non_templated_base::eventFilter(QObject *obj, QEvent *event)
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{
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if (event->type() == QEvent::GraphicsSceneMousePress) {
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QGraphicsSceneMouseEvent *mouseEvent = static_cast<QGraphicsSceneMouseEvent *>(event);
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if(!mousePressEvent(mouseEvent)) {
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// standard event processing if mousePressEvent has returned false
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return QObject::eventFilter(obj, event);
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}
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} else if (event->type() == QEvent::GraphicsSceneMouseMove) {
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QGraphicsSceneMouseEvent *mouseEvent = static_cast<QGraphicsSceneMouseEvent *>(event);
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mouseMoveEvent(mouseEvent);
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return QObject::eventFilter(obj, event);
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} else if (event->type() == QEvent::KeyPress) {
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QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
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if(!keyPressEvent(keyEvent)) {
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return QObject::eventFilter(obj, event);
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}
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}
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// standard event processing if keyPressEvent has returned false
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return QObject::eventFilter(obj, event);
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}
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} // namespace Qt
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} // namespace CGAL
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#endif // CGAL_HEADER_ONLY
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