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/* This file is part of the KDE project
Copyright (C) 2001, 2002, 2003 The Karbon Developers
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 __VPOLYLINETOOL_H__
#define __VPOLYLINETOOL_H__
#include <qptrlist.h>
#include <qstring.h>
#include "KoPoint.h"
#include "vtool.h"
class QLabel;
class QWidget;
class VPath;
class QCursor;
/**
* The polyline tool.
*
* When the tool is activated, you draw your polyline until the tool is
* deactivated.
* When the mouse button is pressed, you add a Bezier node and sets the vector by
* dragging it.
* While dragging, when you press on CTRL, you edit the other vector, and when
* you press on SHIFT the current segment, the segment becames a line.
*/
class VPolylineTool : public VTool
{
Q_OBJECT
public:
VPolylineTool( KarbonView *view );
~VPolylineTool();
virtual void setup(KActionCollection *collection);
virtual void activate();
virtual void deactivate();
virtual QString uiname() { return i18n( "Polyline Tool" ); }
virtual QString contextHelp();
virtual enumToolType toolType() { return TOOL_FREEHAND; }
protected:
/**
* Helper method: draws the polyline.
*/
void draw();
/**
* Helper method: draws a bezier vector.
*/
void drawBezierVector( KoPoint& start, KoPoint& end );
/**
* Creates the polyline from the bezier points.
*/
void createObject();
/**
* Initializes the specified path with the actual bezier points.
*/
void initializePath( VPath &path );
virtual void mouseMove();
virtual void mouseButtonPress();
virtual void mouseButtonRelease();
virtual void rightMouseButtonRelease();
virtual void mouseButtonDblClick();
virtual void mouseDrag();
virtual void mouseDragRelease();
virtual void mouseDragShiftPressed();
virtual void mouseDragCtrlPressed();
virtual void mouseDragShiftReleased();
virtual void mouseDragCtrlReleased();
virtual void cancel();
virtual void cancelStep();
virtual void accept();
/**
* The list of this polyline points.
*/
QPtrList<KoPoint> m_bezierPoints;
/**
* The start of the last drawn vector.
*/
KoPoint m_lastVectorStart;
/**
* The end of the last drawn vector.
*/
KoPoint m_lastVectorEnd;
/**
* Indicates if the polyline is to close.
*/
bool m_close;
protected slots:
void commandExecuted();
private:
QCursor* m_crossCursor;
};
#endif
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