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CalculatorForm Class Reference

class implements a calculator. More...

#include <CalcForm.h>

Inheritance diagram for CalculatorForm:

Collaboration diagram for CalculatorForm:

[legend]List of all members.

Public Methods
	CalculatorForm () FORM_SECTION1
	constructor, does nothing. More...
Static Public Methods
CalculatorForm *	instance () FORM_SECTION1
	returns reference to SplitsForm instance. More...
Public Attributes
Int32	amount
	initial amount to be diplayed. More...
Int8	sign
	sign of the amount memorised. More...
Private Methods
void	updateDisplay () FORM_SECTION1
	updates calculator display display. More...
Boolean	handleUpdateEvent (UInt16 update_code) FORM_SECTION1
	redraws form and update display. More...
Boolean	handleOpenEvent () FORM_SECTION1
	draws initial calculator. More...
Boolean	handleCtlSelectEvent (UInt16 control_id) FORM_SECTION1
	handles all control interaction. More...
void	handleButton (Char c) FORM_SECTION1
	update entry with information from a button. More...
void	doMath (Char newop) FORM_SECTION1
	carry out operation. More...
void	flipSign (void) FORM_SECTION1
	flip sign. More...
Private Attributes
Char	entry [32]
	current calculator entry. More...
Char	dotLabel [2]
	text for decimal separator. More...
FlpCompDouble	accu
FlpCompDouble	operand
Char	operation
Boolean	disp_accu
Static Private Attributes
CalculatorForm *	_instance
	singleton reference to this form. More...

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Detailed Description

class implements a calculator.

Copyright (C) 2001-2002 Vlad Mereuta <dizzy@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 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

Definition at line 29 of file CalcForm.h.

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Constructor & Destructor Documentation

CalculatorForm::CalculatorForm (    )

constructor, does nothing.

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Member Function Documentation

void CalculatorForm::doMath (  Char    newop )  [private]

carry out operation.

void CalculatorForm::flipSign (  void    )  [private]

flip sign.

void CalculatorForm::handleButton (  Char    c )  [private]

update entry with information from a button.

Boolean CalculatorForm::handleCtlSelectEvent (  UInt16    control_id )  [private, virtual]

handles all control interaction. Reimplemented from Form.

Boolean CalculatorForm::handleOpenEvent (    )  [private, virtual]

draws initial calculator. Reimplemented from Form.

Boolean CalculatorForm::handleUpdateEvent (  UInt16    update_code )  [private, virtual]

redraws form and update display. Reimplemented from Form.

CalculatorForm* CalculatorForm::instance (    )  [static]

returns reference to SplitsForm instance. Only allowed way to use the class

void CalculatorForm::updateDisplay (    )  [private]

updates calculator display display.

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Member Data Documentation

CalculatorForm* CalculatorForm::_instance [static, private]

singleton reference to this form. Definition at line 52 of file CalcForm.h.

FlpCompDouble CalculatorForm::accu [private]

Definition at line 47 of file CalcForm.h.

Int32 CalculatorForm::amount

initial amount to be diplayed. Definition at line 33 of file CalcForm.h.

Boolean CalculatorForm::disp_accu [private]

Definition at line 50 of file CalcForm.h.

Char CalculatorForm::dotLabel[2] [private]

text for decimal separator. Definition at line 46 of file CalcForm.h.

Char CalculatorForm::entry[32] [private]

current calculator entry. Definition at line 44 of file CalcForm.h.

FlpCompDouble CalculatorForm::operand [private]

Definition at line 48 of file CalcForm.h.

Char CalculatorForm::operation [private]

Definition at line 49 of file CalcForm.h.

Int8 CalculatorForm::sign

sign of the amount memorised. Definition at line 35 of file CalcForm.h.

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The documentation for this class was generated from the following file:

• CalcForm.h

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