File indexing completed on 2024-06-16 04:17:45

 /*
  *  SPDX-FileCopyrightText: 2007 Sven Langkamp <sven.langkamp@gmail.com>
  *  SPDX-FileCopyrightText: 2010 Cyrille Berger <cberger@cberger.net>
  *
  *  SPDX-License-Identifier: GPL-2.0-or-later
  */
 
 #include "kis_tool_path.h"
 #include <KoPathShape.h>
 #include <KoCanvasBase.h>
 #include <kis_cursor.h>
 #include <KisViewManager.h>
 #include <canvas/kis_canvas2.h>
 #include <kis_canvas_resource_provider.h>
 
 
 KisToolPath::KisToolPath(KoCanvasBase * canvas)
     : DelegatedPathTool(canvas, Qt::ArrowCursor,
                         new __KisToolPathLocalTool(canvas, this))
 {
     KisCanvas2 *kritaCanvas = dynamic_cast<KisCanvas2*>(canvas);
 
     connect(kritaCanvas->viewManager()->canvasResourceProvider(), SIGNAL(sigEffectiveCompositeOpChanged()), SLOT(resetCursorStyle()));
 
 }
 
 void KisToolPath::resetCursorStyle()
 {
     if (isEraser() && (nodePaintAbility() == PAINT)) {
         useCursor(KisCursor::eraserCursor());
     } else {
         DelegatedPathTool::resetCursorStyle();
     }
 
     overrideCursorIfNotEditable();
 }
 
 void KisToolPath::requestStrokeEnd()
 {
     localTool()->endPathWithoutLastPoint();
 }
 
 void KisToolPath::requestStrokeCancellation()
 {
     localTool()->cancelPath();
 }
 
 KisPopupWidgetInterface* KisToolPath::popupWidget()
 {
     return localTool()->pathStarted() ? nullptr : DelegatedPathTool::popupWidget();
 }
 
 void KisToolPath::mousePressEvent(KoPointerEvent *event)
 {
     Q_UNUSED(event)
 }
 
 // Install an event filter to catch right-click events.
 // The simplest way to accommodate the popup palette binding.
 // This code is duplicated in kis_tool_select_path.cc
 bool KisToolPath::eventFilter(QObject *obj, QEvent *event)
 {
     Q_UNUSED(obj);
     if (!localTool()->pathStarted()) {
         return false;
     }
     if (event->type() == QEvent::MouseButtonPress ||
             event->type() == QEvent::MouseButtonDblClick) {
         QMouseEvent *mouseEvent = static_cast<QMouseEvent*>(event);
         if (mouseEvent->button() == Qt::RightButton) {
             localTool()->removeLastPoint();
             return true;
         }
     } else if (event->type() == QEvent::TabletPress) {
         QTabletEvent *tabletEvent = static_cast<QTabletEvent*>(event);
         if (tabletEvent->button() == Qt::RightButton) {
             localTool()->removeLastPoint();
             return true;
         }
     }
     return false;
 }
 
 void KisToolPath::beginAlternateAction(KoPointerEvent *event, AlternateAction action) {
     DelegatedPathTool::beginAlternateAction(event, action);
     if (!nodeEditable()) return;
 
     if (nodePaintAbility() == KisToolPath::MYPAINTBRUSH_UNPAINTABLE) {
         KisCanvas2 * kiscanvas = static_cast<KisCanvas2*>(canvas());
         QString message = i18n("The MyPaint Brush Engine is not available for this colorspace");
         kiscanvas->viewManager()->showFloatingMessage(message, koIcon("object-locked"));
         event->ignore();
         return;
     }
 }
 
 void KisToolPath::beginPrimaryAction(KoPointerEvent* event)
 {
     if (!nodeEditable()) return;
     DelegatedPathTool::mousePressEvent(event);
 }
 
 void KisToolPath::continuePrimaryAction(KoPointerEvent *event)
 {
     mouseMoveEvent(event);
 }
 
 void KisToolPath::endPrimaryAction(KoPointerEvent *event)
 {
     mouseReleaseEvent(event);
 }
 
 void KisToolPath::beginPrimaryDoubleClickAction(KoPointerEvent *event)
 {
     DelegatedPathTool::mouseDoubleClickEvent(event);
 }
 
 QList<QPointer<QWidget> > KisToolPath::createOptionWidgets()
 {
     QList<QPointer<QWidget> > widgets = DelegatedPathTool::createOptionWidgets();
     return widgets;
 }
 
 
 __KisToolPathLocalTool::__KisToolPathLocalTool(KoCanvasBase * canvas, KisToolPath* parentTool)
     : KoCreatePathTool(canvas)
     , m_parentTool(parentTool) {}
 
 void __KisToolPathLocalTool::paintPath(KoPathShape &pathShape, QPainter &painter, const KoViewConverter &converter)
 {
     Q_UNUSED(converter);
 
     QTransform matrix;
     matrix.scale(m_parentTool->image()->xRes(), m_parentTool->image()->yRes());
     matrix.translate(pathShape.position().x(), pathShape.position().y());
     m_parentTool->paintToolOutline(&painter, m_parentTool->pixelToView(matrix.map(pathShape.outline())));
 }
 
 void __KisToolPathLocalTool::addPathShape(KoPathShape* pathShape)
 {
     if (!KoCreatePathTool::tryMergeInPathShape(pathShape)) {
         m_parentTool->addPathShape(pathShape, kundo2_i18n("Draw Bezier Curve"));
     }
 }