uimathexpression.h

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#pragma once

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Bert
 Date:          Sep 2011
________________________________________________________________________

-*/

#include "uitoolsmod.h"
#include "uigroup.h"
#include "uistrings.h"
class uiLineEdit;
class uiComboBox;
class uiPushButton;
class uiButton;
class uiToolButtonSetup;
namespace Math { class SpecVarSet; }


mExpClass(uiTools) uiMathExpression : public uiGroup
{ mODTextTranslationClass(uiMathExpression);
public:

    mExpClass(uiTools) Setup
    {
    public:
                        Setup( const uiString& lbl=uiStrings::sEmptyString() )
                            : label_(lbl)
                            , withsetbut_(false)
                            , withfns_(true)
                            , fnsbelow_(true)
                            , specvars_(0)              {}

        mDefSetupMemb(bool,withfns);
        mDefSetupMemb(bool,fnsbelow);
        mDefSetupMemb(bool,withsetbut);
        mDefSetupMemb(uiString,label);
        mDefSetupMemb(const Math::SpecVarSet*,specvars);
        mDefSetupMemb(CallBack,setcb);
                // if withsetbut and not set, will do returnpress
    };

                        uiMathExpression(uiParent*,const Setup&);

    void                setText(const char*);
    void                insertText(const char*);

    const char*         text();
    uiLineEdit*         textField()             { return txtfld_; }
    uiButton*           addButton(const uiToolButtonSetup&);

    Notifier<uiMathExpression>  formSet;
    void                extFormSet()            { retPressCB(0); }

protected:

    uiLineEdit*         txtfld_;
    uiComboBox*         grpfld_;
    uiComboBox*         fnfld_;
    uiPushButton*       setbut_;
    uiButton*           lastbut_;
    Setup               setup_;

    void                grpSel(CallBacker*);
    void                doIns(CallBacker*);
    void                setButCB(CallBacker*);
    void                retPressCB(CallBacker*);

};