You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
146 lines
4.7 KiB
146 lines
4.7 KiB
// Copyright (C) 2003 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 KIG_OBJECTS_OBJECT_HOLDER_H
|
|
#define KIG_OBJECTS_OBJECT_HOLDER_H
|
|
|
|
#include "object_calcer.h"
|
|
|
|
#include <tqstring.h>
|
|
|
|
/**
|
|
* An ObjectHolder represents an object as it is known to the
|
|
* document. It keeps a pointer to an ObjectCalcer, where it gets its
|
|
* data ( the ObjectImp that the ObjectCalcer holds ) from. It also
|
|
* holds information about how to draw this ObjectImp on the window,
|
|
* by keeping a pointer to an ObjectDrawer ( see below ). In its draw
|
|
* method, it gets the ObjectImp from the ObjectCalcer, and passes it
|
|
* to the ObjectDrawer, asking it to draw the ObjectImp on the window.
|
|
*
|
|
* The document ( check the KigDocument class ) holds a list of these
|
|
* ObjectHolder's. This is its only link with the ObjectCalcer
|
|
* dependency graph.
|
|
*
|
|
* An ObjectHolder keeps a reference to its * ObjectCalcer.
|
|
*/
|
|
class ObjectHolder
|
|
{
|
|
ObjectCalcer::shared_ptr mcalcer;
|
|
ObjectDrawer* mdrawer;
|
|
ObjectConstCalcer::shared_ptr mnamecalcer;
|
|
|
|
public:
|
|
/**
|
|
* Construct a new ObjectHolder with a given ObjectCalcer and
|
|
* ObjectDrawer, with a given name calcer.
|
|
*/
|
|
ObjectHolder( ObjectCalcer* calcer, ObjectDrawer* drawer, ObjectConstCalcer* namecalcer );
|
|
/**
|
|
* Construct a new ObjectHolder with a given ObjectCalcer and
|
|
* ObjectDrawer.
|
|
*/
|
|
ObjectHolder( ObjectCalcer* calcer, ObjectDrawer* drawer );
|
|
/**
|
|
* equivalent to the previous constructor, but with a default
|
|
* ObjectDrawer and no name.
|
|
*/
|
|
ObjectHolder( ObjectCalcer* calcer );
|
|
~ObjectHolder();
|
|
|
|
const ObjectImp* imp() const;
|
|
const ObjectCalcer* calcer() const;
|
|
ObjectCalcer* calcer();
|
|
const ObjectDrawer* drawer() const;
|
|
ObjectDrawer* drawer();
|
|
// the following two return zero if no name is set.
|
|
const ObjectConstCalcer* nameCalcer() const;
|
|
ObjectConstCalcer* nameCalcer();
|
|
/**
|
|
* Setting the namecalcer is only allowed if previously none was
|
|
* set. This way, we avoid keeping a useless namecalcer around if
|
|
* no name is set.
|
|
*/
|
|
void setNameCalcer( ObjectConstCalcer* namecalcer );
|
|
|
|
/**
|
|
* returns TQString() if no name is set.
|
|
*/
|
|
const TQString name() const;
|
|
/**
|
|
* Set the ObjectDrawer of this ObjectHolder to \p d , the old
|
|
* ObjectDrawer is deleted.
|
|
*/
|
|
void setDrawer( ObjectDrawer* d );
|
|
/**
|
|
* Set the ObjectDrawer of this ObjectHolder to \p d , the old
|
|
* ObjectDrawer is not deleted, but returned.
|
|
*/
|
|
ObjectDrawer* switchDrawer( ObjectDrawer* d );
|
|
|
|
/**
|
|
* Make our ObjectCalcer recalculate its ObjectImp.
|
|
*/
|
|
void calc( const KigDocument& );
|
|
/**
|
|
* Draw this object on the given KigPainter. If \p selected is true,
|
|
* then it will be drawn in red, instead of its normal color.
|
|
*/
|
|
void draw( KigPainter& p, bool selected ) const;
|
|
/**
|
|
* Returns whether this object contains the point \p p .
|
|
*/
|
|
bool contains( const Coordinate& p, const KigWidget& w, bool nv = false ) const;
|
|
/**
|
|
* Returns whether this object is in the rectangle \p r .
|
|
*/
|
|
bool inRect( const Rect& r, const KigWidget& w ) const;
|
|
/**
|
|
* Returns whether this object is shown.
|
|
*/
|
|
bool shown() const;
|
|
|
|
/**
|
|
* This call is simply forwarded to the ObjectCalcer. Check the
|
|
* documentation of ObjectCalcer::moveReferencePoint() for more info.
|
|
*/
|
|
const Coordinate moveReferencePoint() const;
|
|
/**
|
|
* This call is simply forwarded to the ObjectCalcer. Check the
|
|
* documentation of ObjectCalcer::move() for more info.
|
|
*/
|
|
void move( const Coordinate& to, const KigDocument& );
|
|
/**
|
|
* This call is simply forwarded to the ObjectCalcer. Check the
|
|
* documentation of ObjectCalcer::canMove() for more info.
|
|
*/
|
|
bool canMove() const;
|
|
/**
|
|
* This call is simply forwarded to the ObjectCalcer. Check the
|
|
* documentation of ObjectCalcer::isFreelyTranslatable() for more info.
|
|
*/
|
|
bool isFreelyTranslatable() const;
|
|
|
|
/**
|
|
* Return a statement saying something like "select this segment" or
|
|
* "select segment ab" depending on whether this ObjectHolder has a
|
|
* name.
|
|
*/
|
|
TQString selectStatement() const;
|
|
};
|
|
|
|
#endif
|