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// Copyright (C) 2002 Dominique Devriese <devriese@kde.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 MOVING_H
#define MOVING_H
#include "mode.h"
#include "../misc/coordinate.h"
#include "../objects/object_calcer.h"
class ObjectType;
class Coordinate;
class NormalPoint;
class KigWidget;
class KigDocument;
class MonitorDataObjects;
/**
* "Template method" pattern ( see the Design patterns book ):
* This is a base class for two modes: normal MovingMode: used for
* moving a set of objects around, using Object::startMove,
* Object::moveTo and Object::stopMove, and another mode
* PointRedefineMode, used for redefining a NormalPoint...
*/
class MovingModeBase
: public KigMode
{
protected:
KigWidget& mview;
private:
// all moving objects: these objects are all of the objects that
// need to be redrawn every time the cursor moves, and after calc is
// called.
std::vector<ObjectCalcer*> mcalcable;
std::vector<ObjectHolder*> mdrawable;
protected:
MovingModeBase( KigPart& doc, KigWidget& v );
~MovingModeBase();
/**
* Subclasses should call this in their constructor, when they know
* which objects will be moving around... They are expected to be in
* the right order for being calc()'ed...
*/
void initScreen( const std::vector<ObjectCalcer*>& amo );
// in these functions, subclasses should do the equivalent of
// Object::stopMove() and moveTo()... Note that no calc()'ing or
// drawing is to be done..
virtual void stopMove() = 0;
virtual void moveTo( const Coordinate& o, bool snaptogrid ) = 0;
public:
void leftReleased( QMouseEvent*, KigWidget* );
void leftMouseMoved( QMouseEvent*, KigWidget* );
void mouseMoved( QMouseEvent*, KigWidget* );
};
class MovingMode
: public MovingModeBase
{
class Private;
Private* d;
void stopMove();
void moveTo( const Coordinate& o, bool snaptogrid );
public:
MovingMode( const std::vector<ObjectHolder*>& objects, const Coordinate& c,
KigWidget&, KigPart& );
~MovingMode();
};
class PointRedefineMode
: public MovingModeBase
{
ObjectHolder* mp;
std::vector<ObjectCalcer::shared_ptr> moldparents;
const ObjectType* moldtype;
MonitorDataObjects* mmon;
void stopMove();
void moveTo( const Coordinate& o, bool snaptogrid );
public:
PointRedefineMode( ObjectHolder* p, KigPart& d, KigWidget& v );
~PointRedefineMode();
};
#endif
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