construct_mode.h

Go to the documentation of this file.

// 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_MODES_CONSTRUCT_MODE_H
#define KIG_MODES_CONSTRUCT_MODE_H

#include "base_mode.h"

#include "../objects/object_calcer.h"

class ArgsParserObjectType;
class ObjectConstructor;
class ObjectCalcer;

class PointConstructMode
  : public BaseMode
{
  ObjectTypeCalcer::shared_ptr mpt;
public:
  PointConstructMode( KigPart& d );
  ~PointConstructMode();

  using BaseMode::midClicked;
  using BaseMode::rightClicked;
  using BaseMode::mouseMoved;

protected:
  void leftClickedObject( ObjectHolder* o, const QPoint& p,
                                KigWidget& w, bool ctrlOrShiftDown );
  void midClicked( const QPoint& p, KigWidget& w );
  void rightClicked( const std::vector<ObjectHolder*>& oco, const QPoint& p, KigWidget& w );
  void mouseMoved( const std::vector<ObjectHolder*>& os, const QPoint& p, KigWidget& w, bool shiftpressed );

  void enableActions();
  void cancelConstruction();

  void redrawScreen( KigWidget* );
};

class BaseConstructMode
  : public BaseMode
{
  ObjectTypeCalcer::shared_ptr mpt;
  ObjectTypeCalcer* mcursor;
  // we also allocate here the corresponding objectholder, since the
  // only sensible place where to deallocate it is in the destructor
  // of this class
//  ObjectHolder* mcursorholder;
  std::vector<ObjectHolder*> mparents;

  void leftReleased( QMouseEvent* e, KigWidget* v );

public:
  using BaseMode::midClicked;
  using BaseMode::rightClicked;
  using BaseMode::mouseMoved;
  void selectObject( ObjectHolder* o, KigWidget& w );
  void selectObjects( const std::vector<ObjectHolder*>& os, KigWidget& w );
  virtual ~BaseConstructMode();

protected:
  BaseConstructMode( KigPart& d );
protected:
  void leftClickedObject( ObjectHolder* o, const QPoint& p,
                          KigWidget& w, bool ctrlOrShiftDown );
  void midClicked( const QPoint& p, KigWidget& w );
  void rightClicked( const std::vector<ObjectHolder*>& oco, const QPoint& p, KigWidget& w );
  void mouseMoved( const std::vector<ObjectHolder*>& os, const QPoint& p, KigWidget& w, bool shiftpressed );

  void enableActions();
  void cancelConstruction();
  void finish();

protected:
  virtual void handlePrelim( const std::vector<ObjectCalcer*>& os, const QPoint& p, KigPainter&, KigWidget& w ) = 0;
  virtual QString selectStatement( const std::vector<ObjectCalcer*>& args, const KigWidget& w ) = 0;
  virtual int isAlreadySelectedOK( const std::vector<ObjectCalcer*>&, const int& ) = 0;
  virtual int wantArgs( const std::vector<ObjectCalcer*>&, KigDocument& d, KigWidget& w ) = 0;
  virtual void handleArgs( const std::vector<ObjectCalcer*>& args, KigWidget& w ) = 0;

  void redrawScreen( KigWidget* );
};

class ConstructMode
  : public BaseConstructMode
{
  const ObjectConstructor* mctor;
public:
  ConstructMode( KigPart& d, const ObjectConstructor* ctor );
  ~ConstructMode();

  void handlePrelim( const std::vector<ObjectCalcer*>& os, const QPoint& p, KigPainter&, KigWidget& w );
  QString selectStatement( const std::vector<ObjectCalcer*>& args, const KigWidget& w );
  int isAlreadySelectedOK( const std::vector<ObjectCalcer*>&, const int& );
  int wantArgs( const std::vector<ObjectCalcer*>&, KigDocument& d, KigWidget& w );
  void handleArgs( const std::vector<ObjectCalcer*>& args, KigWidget& w );
};

class TestConstructMode
  : public BaseConstructMode
{
  const ArgsParserObjectType* mtype;
  ObjectCalcer::shared_ptr mresult;
public:
  TestConstructMode( KigPart& d, const ArgsParserObjectType* type );
  ~TestConstructMode();

  using BaseMode::midClicked;
  using BaseMode::rightClicked;
  using BaseMode::mouseMoved;

  void handlePrelim( const std::vector<ObjectCalcer*>& os, const QPoint& p, KigPainter&, KigWidget& w );
  QString selectStatement( const std::vector<ObjectCalcer*>& args, const KigWidget& w );
  int isAlreadySelectedOK( const std::vector<ObjectCalcer*>&, const int& );
  int wantArgs( const std::vector<ObjectCalcer*>&, KigDocument& d, KigWidget& w );
  void handleArgs( const std::vector<ObjectCalcer*>& args, KigWidget& w );

  void leftClickedObject( ObjectHolder* o, const QPoint& p,
                          KigWidget& w, bool ctrlOrShiftDown );
  void midClicked( const QPoint& p, KigWidget& w );
  void rightClicked( const std::vector<ObjectHolder*>& oco, const QPoint& p, KigWidget& w );
  void mouseMoved( const std::vector<ObjectHolder*>& os, const QPoint& p, KigWidget& w, bool shiftpressed );
};

#endif