levaluecombo.h

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// OSB library ************************************************ -*- C++ -*-
/*
  AUTHOR(S): Stephan Broennimann (vb)

  RCS information
   $Name: OSB_060808 $
   $Revision: 1.7 $

  License
   OSB rating and billing library for communication networks
   Copyright (C) 2004, 2005, 2006  OSB systems

   This file may be distributed and/or modify under the terms of the
   GNU General Public License (GPL) as published by the Free Software
   Foundation which is provided in the file LICENSE.GPL included in the
   packaging of this file.

   The file 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.

   Holders of a OSB Commercial License may use this file under the terms
   and conditions of this commercial license.
 */
#ifndef _LEVALUECOMBO_H_
#define _LEVALUECOMBO_H_

// ************************************************************************
// included header files
// + standard includes

// + libraries
#include <qlineedit.h>

// + local headers
#include "osbcombos.h"                  // for template LeValueCombo

// ************************************************************************
// class declarations

// ************************************************************************
// namespace extensions
namespace OSB_GUI {

// ************************************************************************
// forward declarations

// ************************************************************************
// type definitions

// ************************************************************************
// class definitions

    class LeCombo : public QLineEdit {
        Q_OBJECT                            // for vim ->;
    public:
        explicit LeCombo(
                  QWidget*       parent,
            const char*          name  = "leCombo_",
                  FocusOutCombo* combo = 0
        );
        virtual ~LeCombo();
    public:
        void setCombo(FocusOutCombo* combo);
    protected:
        virtual void setComboItem() const;
    protected slots:
        virtual void comboActivated(int index);
    private slots:
        void comboFocusOut(QFocusEvent* e);
    private:
        void focusInEvent(QFocusEvent* e);

        void resizeEvent(QResizeEvent* e);
        virtual QSize sizeHint() const;
        virtual QSize minimumSizeHint() const;
    private:
        FocusOutCombo* combo_;
        QWidget* prevFocus_;
        QWidget* nextFocus_;
    };                                  // class LeCombo

    template<typename Value>
    class LeValueCombo : public LeCombo {
    public:
        LeValueCombo(
                  QWidget*           parent,
            const char*              name    = "leValueCombo_",
                  ValueCombo<Value>* combo   = 0
        );
    public:
        const Value& getValue() const;
        void setCombo(ValueCombo<Value>* combo);
        void setValue(
            const Value&       value,
            const std::string& text
        );
    private:
        void setComboItem() const;
        void comboActivated(int index);
    private:
        Value value_;
        ValueCombo<Value>* combo_;
    };                                  // class LeValueCombo
}                                       // namespace OSB_GUI

// ************************************************************************
// template definitions
namespace OSB_GUI {

    // ********************************************************************
    // template LeValueCombo
    template<typename Value>
    LeValueCombo<Value>::LeValueCombo(
              QWidget*           parent,
        const char*              name,
              ValueCombo<Value>* combo
    ) : LeCombo(parent, name, 0), combo_(combo)
    {
        setCombo(combo);
    }

    template<typename Value>
    const Value& LeValueCombo<Value>::getValue() const
    {
        return value_;
    }

    template<typename Value>
    void LeValueCombo<Value>::setCombo(ValueCombo<Value>* combo)
    {
        combo_ = combo;
        LeCombo::setCombo(combo_);
        if (0 != combo_) value_ = combo_->getValue();
    }

    template<typename Value>
    void LeValueCombo<Value>::setValue(
        const Value&       value,
        const std::string& text
    )
    {
        value_ = value;
        setText(text);
    }

    template<typename Value>
    void LeValueCombo<Value>::setComboItem() const
    {
        if (0 != combo_) combo_->select(value_);
    }

    template<typename Value>
    void LeValueCombo<Value>::comboActivated(int index)
    {
        if (0 == combo_) return;
        value_ = combo_->getValue(index);
        setText(combo_->text(index));
    }
}                                       // namespace OSB_GUI
#endif                                  // #ifndef _LEVALUECOMBO_H_

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