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/* This file is part of the KDE project
*
* Copyright (C) 2006 Thorsten Zachmann <zachmann@kde.org>
* Copyright (C) 2008-2009 Jan Hambrecht <jaham@gmx.net>
*
* 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.
*/
#ifndef KOCREATEPATHTOOL_H
#define KOCREATEPATHTOOL_H
#include "basicflakes_export.h"
#include <KoToolBase.h>
#include <QList>
class KoPathShape;
class KoShapeStroke;
class KoCreatePathToolPrivate;
#define KoCreatePathTool_ID "CreatePathTool"
/**
* Tool for creating path shapes.
*/
class BASICFLAKES_EXPORT KoCreatePathTool : public KoToolBase
{
Q_OBJECT
public:
/**
* Constructor for the tool that allows you to create new paths by hand.
* @param canvas the canvas this tool will be working for.
*/
explicit KoCreatePathTool(KoCanvasBase * canvas);
~KoCreatePathTool() override;
/// reimplemented
void paint(QPainter &painter, const KoViewConverter &converter) override;
/// reimplemented
void mousePressEvent(KoPointerEvent *event) override;
/// reimplemented
void mouseDoubleClickEvent(KoPointerEvent *event) override;
/// reimplemented
void mouseMoveEvent(KoPointerEvent *event) override;
/// reimplemented
void mouseReleaseEvent(KoPointerEvent *event) override;
/// reimplemented
void keyPressEvent(QKeyEvent *event) override;
/// For behavior as selection tool and with initial shift-key
virtual bool listeningToModifiers();
/**
* Returns true if path has been started
*/
bool pathStarted();
public Q_SLOTS:
/// reimplemented
void activate(ToolActivation toolActivation, const QSet<KoShape*> &shapes) override;
/// reimplemented
void deactivate() override;
/// reimplemented
void documentResourceChanged(int key, const QVariant & res) override;
protected:
/**
* Add path shape to document.
* This method can be overridden and change the behaviour of the tool. In that case the subclass takes ownership of pathShape.
* It gets only called if there are two or more points in the path.
*/
virtual void addPathShape(KoPathShape* pathShape);
protected:
/**
* This method is called to paint the path. Decorations are drawn by KoCreatePathTool afterwards.
*/
virtual void paintPath(KoPathShape& pathShape, QPainter &painter, const KoViewConverter &converter);
void endPath();
void endPathWithoutLastPoint();
void cancelPath();
void removeLastPoint();
/// reimplemented
QList<QPointer<QWidget> > createOptionWidgets() override;
private:
KoShapeStroke *createStroke();
Q_DECLARE_PRIVATE(KoCreatePathTool)
Q_PRIVATE_SLOT(d_func(), void angleDeltaChanged(int))
Q_PRIVATE_SLOT(d_func(), void angleSnapChanged(int))
};
#endif
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