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kmymoney/kmymoney2/widgets/kmymoneyedit.h

246 lines
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/***************************************************************************
kmymoneyedit.h
-------------------
copyright : (C) 2000 by Michael Edwardes
email : mte@users.sourceforge.net
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#ifndef KMYMONEYEDIT_H
#define KMYMONEYEDIT_H
#include "kdecompat.h"
// ----------------------------------------------------------------------------
// QT Includes
#include <tqhbox.h>
#include <tqvalidator.h>
class TQVBox;
class TQWidget;
// ----------------------------------------------------------------------------
// KDE Includes
#include <klineedit.h>
class KPushButton;
// ----------------------------------------------------------------------------
// Project Includes
#include <kmymoney/kmymoneylineedit.h>
#include <kmymoney/mymoneysecurity.h>
class MyMoneyMoney;
class kMyMoneyCalculator;
#if TDE_VERSION <= TDE_MAKE_VERSION(3,1,0)
#define KDoubleValidator TQDoubleValidator
#endif
/**
* This class is derived from KDoubleValidator and uses
* the monetary symbols instead of the numeric symbols.
* Also, it always accepts localized input.
*
* @author Thomas Baumgart
*/
class kMyMoneyMoneyValidator : public TQDoubleValidator
{
Q_OBJECT
public:
/**
* Constuct a locale-aware KDoubleValidator with default range
* (whatever TQDoubleValidator uses for that) and parent @p
* parent
*/
kMyMoneyMoneyValidator( TQObject * parent, const char * name=0 );
/**
* Constuct a locale-aware KDoubleValidator for range [@p bottom,@p
* top] and a precision of @p decimals decimals after the decimal
* point.
*/
kMyMoneyMoneyValidator( double bottom, double top, int decimals,
TQObject * parent, const char * name=0 );
/**
* Destructs the validator.
*/
virtual ~kMyMoneyMoneyValidator() {}
/** Overloaded for internal reasons. The API is not affected. */
virtual TQValidator::State validate( TQString & input, int & pos ) const;
};
/**
* This class represents a widget to enter monetary values.
* It has an edit field and a button to select a popup
* calculator. The result of the calculator (if used) is
* stored in the edit field.
*
* @author Michael Edwardes, Thomas Baumgart
*/
class kMyMoneyEdit : public TQHBox
{
Q_OBJECT
TQ_PROPERTY(bool calculatorButtonVisibility READ isCalculatorButtonVisible WRITE setCalculatorButtonVisible);
TQ_PROPERTY(bool resetButtonVisibility READ isResetButtonVisible WRITE setResetButtonVisible);
TQ_PROPERTY(bool allowEmpty READ isEmptyAllowed WRITE setAllowEmpty);
TQ_PROPERTY(bool readOnly READ isReadOnly WRITE setReadOnly )
private:
TQString previousText; // keep track of what has been typed
TQString m_text; // keep track of what was the original value
kMyMoneyCalculator* m_calculator;
TQVBox* m_calculatorFrame;
kMyMoneyLineEdit* m_edit;
KPushButton* m_calcButton;
KPushButton* m_resetButton;
int m_prec;
bool calculatorButtonVisibility;
bool allowEmpty;
private:
/**
* Internal helper function for value() and ensureFractionalPart(void).
*/
void ensureFractionalPart(TQString& txt) const;
protected:
/**
* This method ensures that the text version contains a
* fractional part.
*/
void ensureFractionalPart(void);
/**
* This method opens the calculator and replays the key
* event pointed to by @p ev. If @p ev is 0, then no key
* event is replayed.
*
* @param ev pointer to TQKeyEvent that started the calculator.
*/
void calculatorOpen(TQKeyEvent* ev);
/**
* Helper method for constructors.
*/
void init(void);
protected slots:
void theTextChanged(const TQString & text);
void slotCalculatorResult(void);
void slotCalculatorOpen(void);
public:
kMyMoneyEdit(TQWidget *parent=0, const char *name=0, const int prec = -2);
kMyMoneyEdit(const MyMoneySecurity& eq, TQWidget *parent=0, const char *name=0);
~kMyMoneyEdit();
/**
* @deprecated Use value() instead
*/
// MyMoneyMoney getMoneyValue(void) KDE_DEPRECATED;
MyMoneyMoney value(void) const;
void setValue(const MyMoneyMoney& value);
bool isValid(void) const;
virtual bool eventFilter(TQObject * , TQEvent * );
/**
* This method returns the value of the edit field in "numerator/denominator" format.
* If you want to get the text of the edit field, use lineedit()->text() instead.
*/
TQString text(void) const { return value().toString(); };
void setMinimumWidth(int w) { m_edit->setMinimumWidth(w); };
/**
* Set the number of fractional digits that should be shown
*
* @param prec number of fractional digits.
*
* @note should be used prior to calling loadText()
* @sa precision
*/
void setPrecision(const int prec);
/**
* return the number of fractional digits
* @sa setPrecision
*/
int precision(void) { return m_prec; };
TQWidget* focusWidget(void) const;
/**
* This method allows to modify the behavior of the widget
* such that it accepts an empty value (all blank) or not.
* The default is to not accept an emtpy input and to
* convert an empty field into 0.00 upon loss of focus.
*
* @param allowed if @a true, empty input is allowed, if @a false
* emtpy input will be converted to 0.00
*/
void setAllowEmpty(bool allowed = true);
/** Overloaded for internal reasons. The API is not affected. */
void setValidator(const TQValidator* v);
bool isCalculatorButtonVisible(void) const;
bool isResetButtonVisible(void) const;
bool isEmptyAllowed(void) const;
KLineEdit* lineedit(void) const;
void setHint(const TQString& hint) const;
bool isReadOnly(void) const;
public slots:
void loadText(const TQString& text);
void resetText(void);
void clearText(void);
void setText(const TQString& txt) { setValue(MyMoneyMoney(txt)); };
/**
* This method allows to show/hide the calculator button of the widget.
* The parameter @p show controls the behavior. Default is to show the
* button.
*
* @param show if true, button is shown, if false it is hidden
*/
void setCalculatorButtonVisible(const bool show);
void setResetButtonVisible(const bool show);
void setReadOnly(bool readOnly);
signals: // Signals
/**
* This signal is sent, when the focus leaves this widget and
* the amount has been changed by user during this session.
*/
void valueChanged(const TQString& text);
void textChanged(const TQString& text);
};
#endif