diff --git a/libs/basicflakes/tools/KoCreatePathTool.cpp b/libs/basicflakes/tools/KoCreatePathTool.cpp index c8f9e06533..f17cc2c1b9 100644 --- a/libs/basicflakes/tools/KoCreatePathTool.cpp +++ b/libs/basicflakes/tools/KoCreatePathTool.cpp @@ -1,528 +1,532 @@ /* This file is part of the KDE project * * Copyright (C) 2006 Thorsten Zachmann * Copyright (C) 2008-2010 Jan Hambrecht * * 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., 51 Franklin Street, Fifth Floor, * Boston, MA 02110-1301, USA. */ #include "KoCreatePathTool.h" #include "KoCreatePathTool_p.h" #include "KoPointerEvent.h" #include "KoPathShape.h" #include "KoSelection.h" #include "KoDocumentResourceManager.h" #include "KoShapePaintingContext.h" #include "KoShapeStroke.h" #include "KoStrokeConfigWidget.h" #include "KoCanvasBase.h" #include #include #include #include #include #include #include KoCreatePathTool::KoCreatePathTool(KoCanvasBase *canvas) : KoToolBase(*(new KoCreatePathToolPrivate(this, canvas))) { } KoCreatePathTool::~KoCreatePathTool() { } void KoCreatePathTool::paint(QPainter &painter, const KoViewConverter &converter) { Q_D(KoCreatePathTool); if (pathStarted()) { KoShapeStroke *stroke(createStroke()); if (stroke) { d->shape->setStroke(stroke); } painter.save(); paintPath(*(d->shape), painter, converter); painter.restore(); painter.save(); painter.setTransform(d->shape->absoluteTransformation(&converter) * painter.transform()); KoShape::applyConversion(painter, converter); - painter.setPen(Qt::blue); - painter.setBrush(Qt::white); //TODO make configurable + QPen pen(QBrush(Qt::blue), 1); + pen.setCosmetic(true); + painter.setPen(pen); + painter.setBrush(Qt::white); const bool firstPoint = (d->firstPoint == d->activePoint); if (d->pointIsDragged || firstPoint) { const bool onlyPaintActivePoints = false; KoPathPoint::PointTypes paintFlags = KoPathPoint::ControlPoint2; if (d->activePoint->activeControlPoint1()) { paintFlags |= KoPathPoint::ControlPoint1; } d->activePoint->paint(painter, d->handleRadius, paintFlags, onlyPaintActivePoints); } // check if we have to color the first point if (d->mouseOverFirstPoint) { - painter.setBrush(Qt::red); //TODO make configurable + painter.setBrush(Qt::red); } else { - painter.setBrush(Qt::white); //TODO make configurable + painter.setBrush(Qt::white); } d->firstPoint->paint(painter, d->handleRadius, KoPathPoint::Node); painter.restore(); } if (d->hoveredPoint) { painter.save(); painter.setTransform(d->hoveredPoint->parent()->absoluteTransformation(&converter), true); KoShape::applyConversion(painter, converter); - painter.setPen(Qt::blue); - painter.setBrush(Qt::white); //TODO make configurable + QPen pen(QBrush(Qt::blue), 1); + pen.setCosmetic(true); + painter.setPen(pen); + painter.setBrush(Qt::white); d->hoveredPoint->paint(painter, d->handleRadius, KoPathPoint::Node); painter.restore(); } painter.save(); KoShape::applyConversion(painter, converter); canvas()->snapGuide()->paint(painter, converter); painter.restore(); } void KoCreatePathTool::paintPath(KoPathShape& pathShape, QPainter &painter, const KoViewConverter &converter) { Q_D(KoCreatePathTool); painter.setTransform(pathShape.absoluteTransformation(&converter) * painter.transform()); painter.save(); KoShapePaintingContext paintContext; //FIXME pathShape.paint(painter, converter, paintContext); painter.restore(); if (pathShape.stroke()) { painter.save(); pathShape.stroke()->paint(d->shape, painter, converter); painter.restore(); } } void KoCreatePathTool::mousePressEvent(KoPointerEvent *event) { Q_D(KoCreatePathTool); //Right click removes last point if (event->button() == Qt::RightButton) { removeLastPoint(); return; } const bool isOverFirstPoint = d->shape && handleGrabRect(d->firstPoint->point()).contains(event->point); bool haveCloseModifier = (listeningToModifiers() && (event->modifiers() & Qt::ShiftModifier)); if ((event->button() == Qt::LeftButton) && haveCloseModifier && !isOverFirstPoint) { endPathWithoutLastPoint(); return; } d->finishAfterThisPoint = false; if (pathStarted()) { if (isOverFirstPoint) { d->activePoint->setPoint(d->firstPoint->point()); canvas()->updateCanvas(d->shape->boundingRect()); canvas()->updateCanvas(canvas()->snapGuide()->boundingRect()); if (haveCloseModifier) { d->shape->closeMerge(); // we are closing the path, so reset the existing start path point d->existingStartPoint = 0; // finish path endPath(); } else { // the path shape will get closed when the user releases // the mouse button d->finishAfterThisPoint = true; } } else { canvas()->updateCanvas(canvas()->snapGuide()->boundingRect()); QPointF point = canvas()->snapGuide()->snap(event->point, event->modifiers()); // check whether we hit an start/end node of an existing path d->existingEndPoint = d->endPointAtPosition(point); if (d->existingEndPoint.isValid() && d->existingEndPoint != d->existingStartPoint) { point = d->existingEndPoint.path->shapeToDocument(d->existingEndPoint.point->point()); d->activePoint->setPoint(point); // finish path endPath(); } else { d->activePoint->setPoint(point); canvas()->updateCanvas(d->shape->boundingRect()); canvas()->updateCanvas(canvas()->snapGuide()->boundingRect()); } } } else { KoPathShape *pathShape = new KoPathShape(); d->shape = pathShape; pathShape->setShapeId(KoPathShapeId); KoShapeStroke *stroke = new KoShapeStroke(canvas()->resourceManager()->activeStroke()); stroke->setColor(canvas()->resourceManager()->foregroundColor().toQColor()); pathShape->setStroke(stroke); canvas()->updateCanvas(canvas()->snapGuide()->boundingRect()); QPointF point = canvas()->snapGuide()->snap(event->point, event->modifiers()); // check whether we hit an start/end node of an existing path d->existingStartPoint = d->endPointAtPosition(point); if (d->existingStartPoint.isValid()) { point = d->existingStartPoint.path->shapeToDocument(d->existingStartPoint.point->point()); } d->activePoint = pathShape->moveTo(point); d->firstPoint = d->activePoint; canvas()->updateCanvas(handlePaintRect(point)); canvas()->updateCanvas(canvas()->snapGuide()->boundingRect()); canvas()->snapGuide()->setEditedShape(pathShape); d->angleSnapStrategy = new AngleSnapStrategy(d->angleSnappingDelta, d->angleSnapStatus); canvas()->snapGuide()->addCustomSnapStrategy(d->angleSnapStrategy); } if (d->angleSnapStrategy) d->angleSnapStrategy->setStartPoint(d->activePoint->point()); } bool KoCreatePathTool::listeningToModifiers() { Q_D(KoCreatePathTool); return d->listeningToModifiers; } bool KoCreatePathTool::pathStarted() { Q_D(KoCreatePathTool); return ((bool) d->shape); } void KoCreatePathTool::mouseDoubleClickEvent(KoPointerEvent *event) { //remove handle canvas()->updateCanvas(handlePaintRect(event->point)); endPathWithoutLastPoint(); } void KoCreatePathTool::mouseMoveEvent(KoPointerEvent *event) { Q_D(KoCreatePathTool); KoPathPoint *endPoint = d->endPointAtPosition(event->point); if (d->hoveredPoint != endPoint) { if (d->hoveredPoint) { QPointF nodePos = d->hoveredPoint->parent()->shapeToDocument(d->hoveredPoint->point()); canvas()->updateCanvas(handlePaintRect(nodePos)); } d->hoveredPoint = endPoint; if (d->hoveredPoint) { QPointF nodePos = d->hoveredPoint->parent()->shapeToDocument(d->hoveredPoint->point()); canvas()->updateCanvas(handlePaintRect(nodePos)); } } if (!pathStarted()) { canvas()->updateCanvas(canvas()->snapGuide()->boundingRect()); canvas()->snapGuide()->snap(event->point, event->modifiers()); canvas()->updateCanvas(canvas()->snapGuide()->boundingRect()); d->mouseOverFirstPoint = false; return; } d->mouseOverFirstPoint = handleGrabRect(d->firstPoint->point()).contains(event->point); canvas()->updateCanvas(d->shape->boundingRect()); canvas()->updateCanvas(canvas()->snapGuide()->boundingRect()); QPointF snappedPosition = canvas()->snapGuide()->snap(event->point, event->modifiers()); d->repaintActivePoint(); if (event->buttons() & Qt::LeftButton) { d->pointIsDragged = true; QPointF offset = snappedPosition - d->activePoint->point(); d->activePoint->setControlPoint2(d->activePoint->point() + offset); // pressing stops controls points moving symmetrically if ((event->modifiers() & Qt::AltModifier) == 0) { d->activePoint->setControlPoint1(d->activePoint->point() - offset); } d->repaintActivePoint(); } else { d->activePoint->setPoint(snappedPosition); } canvas()->updateCanvas(d->shape->boundingRect()); canvas()->updateCanvas(canvas()->snapGuide()->boundingRect()); } void KoCreatePathTool::mouseReleaseEvent(KoPointerEvent *event) { Q_D(KoCreatePathTool); if (! d->shape || (event->buttons() & Qt::RightButton)) return; d->listeningToModifiers = true; // After the first press-and-release d->repaintActivePoint(); d->pointIsDragged = false; KoPathPoint *lastActivePoint = d->activePoint; if (!d->finishAfterThisPoint) { d->activePoint = d->shape->lineTo(event->point); canvas()->snapGuide()->setIgnoredPathPoints((QList() << d->activePoint)); } // apply symmetric point property if applicable if (lastActivePoint->activeControlPoint1() && lastActivePoint->activeControlPoint2()) { QPointF diff1 = lastActivePoint->point() - lastActivePoint->controlPoint1(); QPointF diff2 = lastActivePoint->controlPoint2() - lastActivePoint->point(); if (qFuzzyCompare(diff1.x(), diff2.x()) && qFuzzyCompare(diff1.y(), diff2.y())) lastActivePoint->setProperty(KoPathPoint::IsSymmetric); } if (d->finishAfterThisPoint) { d->firstPoint->setControlPoint1(d->activePoint->controlPoint1()); delete d->shape->removePoint(d->shape->pathPointIndex(d->activePoint)); d->activePoint = d->firstPoint; d->shape->closeMerge(); // we are closing the path, so reset the existing start path point d->existingStartPoint = 0; // finish path endPath(); } if (d->angleSnapStrategy && lastActivePoint->activeControlPoint2()) { d->angleSnapStrategy->deactivate(); } } void KoCreatePathTool::keyPressEvent(QKeyEvent *event) { if (event->key() == Qt::Key_Escape) { emit done(); } else { event->ignore(); } } void KoCreatePathTool::endPath() { Q_D(KoCreatePathTool); d->addPathShape(); } void KoCreatePathTool::endPathWithoutLastPoint() { Q_D(KoCreatePathTool); if (d->shape) { QRectF dirtyRect = d->shape->boundingRect(); delete d->shape->removePoint(d->shape->pathPointIndex(d->activePoint)); canvas()->updateCanvas(dirtyRect); d->addPathShape(); } } void KoCreatePathTool::cancelPath() { Q_D(KoCreatePathTool); if (d->shape) { canvas()->updateCanvas(handlePaintRect(d->firstPoint->point())); canvas()->updateCanvas(d->shape->boundingRect()); d->firstPoint = 0; d->activePoint = 0; } d->cleanUp(); } void KoCreatePathTool::removeLastPoint() { Q_D(KoCreatePathTool); if ((d->shape)) { KoPathPointIndex lastPointIndex = d->shape->pathPointIndex(d->activePoint); if (lastPointIndex.second > 1) { lastPointIndex.second--; delete d->shape->removePoint(lastPointIndex); d->hoveredPoint = 0; d->repaintActivePoint(); canvas()->updateCanvas(d->shape->boundingRect()); } } } void KoCreatePathTool::activate(ToolActivation, const QSet &) { Q_D(KoCreatePathTool); useCursor(Qt::ArrowCursor); // retrieve the actual global handle radius d->handleRadius = handleRadius(); // reset snap guide canvas()->updateCanvas(canvas()->snapGuide()->boundingRect()); canvas()->snapGuide()->reset(); } void KoCreatePathTool::deactivate() { cancelPath(); } void KoCreatePathTool::documentResourceChanged(int key, const QVariant & res) { Q_D(KoCreatePathTool); switch (key) { case KoDocumentResourceManager::HandleRadius: { d->handleRadius = res.toUInt(); } break; default: return; } } void KoCreatePathTool::addPathShape(KoPathShape *pathShape) { Q_D(KoCreatePathTool); KoPathShape *startShape = 0; KoPathShape *endShape = 0; pathShape->normalize(); // check if existing start/end points are still valid d->existingStartPoint.validate(canvas()); d->existingEndPoint.validate(canvas()); pathShape->setStroke(createStroke()); if (d->connectPaths(pathShape, d->existingStartPoint, d->existingEndPoint)) { if (d->existingStartPoint.isValid()) { startShape = d->existingStartPoint.path; } if (d->existingEndPoint.isValid() && d->existingEndPoint != d->existingStartPoint) { endShape = d->existingEndPoint.path; } } KUndo2Command *cmd = canvas()->shapeController()->addShape(pathShape); if (cmd) { KoSelection *selection = canvas()->shapeManager()->selection(); selection->deselectAll(); selection->select(pathShape); if (startShape) { canvas()->shapeController()->removeShape(startShape, cmd); } if (endShape && startShape != endShape) { canvas()->shapeController()->removeShape(endShape, cmd); } canvas()->addCommand(cmd); } else { canvas()->updateCanvas(pathShape->boundingRect()); delete pathShape; } } QList > KoCreatePathTool::createOptionWidgets() { Q_D(KoCreatePathTool); QList > list; QWidget *angleWidget = new QWidget(); angleWidget->setObjectName("Angle Constraints"); QGridLayout *layout = new QGridLayout(angleWidget); layout->addWidget(new QLabel(i18n("Angle snapping delta:"), angleWidget), 0, 0); QSpinBox *angleEdit = new QSpinBox(angleWidget); angleEdit->setValue(d->angleSnappingDelta); angleEdit->setRange(1, 360); angleEdit->setSingleStep(1); angleEdit->setSuffix(QChar(Qt::Key_degree)); layout->addWidget(angleEdit, 0, 1); layout->addWidget(new QLabel(i18n("Activate angle snap:"), angleWidget), 1, 0); QCheckBox *angleSnap = new QCheckBox(angleWidget); angleSnap->setChecked(false); angleSnap->setCheckable(true); layout->addWidget(angleSnap, 1, 1); QWidget *specialSpacer = new QWidget(); specialSpacer->setObjectName("SpecialSpacer"); layout->addWidget(specialSpacer, 2, 1); angleWidget->setWindowTitle(i18n("Angle Constraints")); list.append(angleWidget); d->strokeWidget = new KoStrokeConfigWidget(0); d->strokeWidget->setWindowTitle(i18n("Line")); d->strokeWidget->setCanvas(canvas()); d->strokeWidget->setActive(false); list.append(d->strokeWidget); connect(angleEdit, SIGNAL(valueChanged(int)), this, SLOT(angleDeltaChanged(int))); connect(angleSnap, SIGNAL(stateChanged(int)), this, SLOT(angleSnapChanged(int))); return list; } KoShapeStroke *KoCreatePathTool::createStroke() { Q_D(KoCreatePathTool); KoShapeStroke *stroke = 0; if (d->strokeWidget) { stroke = d->strokeWidget->createShapeStroke(); } return stroke; } //have to include this because of Q_PRIVATE_SLOT #include