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koffice/chalk/ui/kis_tool.h

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/*
* Copyright (c) 1999 Matthias Elter <me@kde.org>
* Copyright (c) 2002, 2003 Patrick Julien <freak@codepimps.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef KIS_TOOL_H_
#define KIS_TOOL_H_
#include <tqobject.h>
#include <tqstring.h>
#include <ksharedptr.h>
#include <kaction.h>
#include "kis_shared_ptr_vector.h"
#include "kis_canvas_observer.h"
class TQCursor;
class TQEvent;
class TQKeyEvent;
class TQRect;
class TQWidget;
class KActionCollection;
class KRadioAction;
class KDialog;
class KisBrush;
class KisGradient;
class KisPattern;
class KisButtonPressEvent;
class KisButtonReleaseEvent;
class KisDoubleClickEvent;
class KisMoveEvent;
class KisCanvasPainter;
enum enumToolType {
TOOL_SHAPE = 0, // Geometric shapes like ellipses and lines
TOOL_FREEHAND = 1, // Freehand drawing tools
TOOL_TRANSFORM = 2, // Tools that transform the layer
TOOL_FILL = 3, // Tools that fill parts of the canvas
TOOL_VIEW = 4, // Tools that affect the canvas: pan, zoom, etc.
TOOL_SELECT = 5
};
const TQ_UINT8 NUMBER_OF_TOOLTYPES = 6;
class KisTool : public TQObject, public KisCanvasObserver, public KShared {
Q_OBJECT
public:
KisTool(const TQString & name);
virtual ~KisTool();
public:
virtual void paint(KisCanvasPainter& gc) = 0;
virtual void paint(KisCanvasPainter& gc, const TQRect& rc) = 0;
/**
* This function is called after the creation of a tool to create the KAction corresponding
* to the tool.
*
* The code should look like :
* @code
*
* @endcode
*/
virtual void setup(KActionCollection *collection) = 0;
virtual void buttonPress(KisButtonPressEvent *e) = 0;
virtual void move(KisMoveEvent *e) = 0;
virtual void buttonRelease(KisButtonReleaseEvent *e) = 0;
virtual void doubleClick(KisDoubleClickEvent *e) = 0;
virtual void keyPress(TQKeyEvent *e) = 0;
virtual void keyRelease(TQKeyEvent *e) = 0;
virtual TQCursor cursor() = 0;
virtual void setCursor(const TQCursor& cursor) = 0;
/**
* This function is called to create the configuration widget of the tool.
* @param parent the parent of the widget
*/
virtual TQWidget* createOptionWidget(TQWidget* parent);
/**
* @return the current configuration widget.
*/
virtual TQWidget* optionWidget();
KRadioAction *action() const { return m_action; }
/**
* Return true if this tool wants auto canvas-scrolling to
* work when this tool is active.
*/
virtual bool wantsAutoScroll() const { return true; }
// Methods for integration with karbon-style toolbox
virtual TQ_UINT32 priority() { return 0; }
virtual enumToolType toolType() { return TOOL_FREEHAND; }
virtual TQString icon() { return m_action->icon(); }
virtual TQString quickHelp() const { return ""; }
public slots:
/**
* This slot is called when the tool is selected in the toolbox
*/
virtual void activate() = 0;
/**
* deactivate is called when the tool gets deactivated because another
* tool is selected. Tools can then clean up after themselves.
*/
virtual void deactivate() = 0;
private:
KisTool(const KisTool&);
KisTool& operator=(const KisTool&);
protected:
KRadioAction *m_action;
bool m_ownAction;
private:
class KisToolPrivate;
KisToolPrivate * d;
};
#endif // KIS_TOOL_H_