calculator.c

mtk工具箱,计算器的详细设计,可以由此入手了解mtk的

/*****************************************************************************
*  Copyright Statement:
*  --------------------
*  This software is protected by Copyright and the information contained
*  herein is confidential. The software may not be copied and the information
*  contained herein may not be used or disclosed except with the written
*  permission of MediaTek Inc. (C) 2005
*
*  BY OPENING THIS FILE, BUYER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
*  THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
*  RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO BUYER ON
*  AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
*  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
*  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
*  NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
*  SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
*  SUPPLIED WITH THE MEDIATEK SOFTWARE, AND BUYER AGREES TO LOOK ONLY TO SUCH
*  THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. MEDIATEK SHALL ALSO
*  NOT BE RESPONSIBLE FOR ANY MEDIATEK SOFTWARE RELEASES MADE TO BUYER'S
*  SPECIFICATION OR TO CONFORM TO A PARTICULAR STANDARD OR OPEN FORUM.
*
*  BUYER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND CUMULATIVE
*  LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
*  AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
*  OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY BUYER TO
*  MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE. 
*
*  THE TRANSACTION CONTEMPLATED HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE
*  WITH THE LAWS OF THE STATE OF CALIFORNIA, USA, EXCLUDING ITS CONFLICT OF
*  LAWS PRINCIPLES.  ANY DISPUTES, CONTROVERSIES OR CLAIMS ARISING THEREOF AND
*  RELATED THERETO SHALL BE SETTLED BY ARBITRATION IN SAN FRANCISCO, CA, UNDER
*  THE RULES OF THE INTERNATIONAL CHAMBER OF COMMERCE (ICC).
*
*****************************************************************************/

/*****************************************************************************
 *
 * Filename:
 * ---------
 * Calculator.c
 *
 * Project:
 * --------
 * MAUI
 *
 * Description:
 * ------------
 * This file implements Calculator application.
 *
 * Author:
 * -------
 * -------
 *
 *============================================================================
 *             HISTORY
 * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
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 *============================================================================
 ****************************************************************************/
 /**
 * Copyright Notice
 * ?2002 - 2003, Pixtel Communications, Inc., 1489 43rd Ave. W.,
 * Vancouver, B.C. V6M 4K8 Canada. All Rights Reserved.
 *  (It is illegal to remove this copyright notice from this software or any
 *  portion of it)
 */
/**********************************************************************************
   Filename:      Calculator.c
   Author:        manju
   Date Created:  June-21-2003
   Contains:      Calculator
**********************************************************************************/

#ifndef _MMI_CALCULATOR_C
#define _MMI_CALCULATOR_C

#include "MMI_features.h"
#include "PixtelDataTypes.h"
#include "Unicodexdcl.h"
#ifdef __MMI_TOUCH_CALCULATOR__
/* start vijay 20050301 foe calculator */
#include "gdi_include.h"
#include "wgui.h"
/* end vijay */
#endif /* __MMI_TOUCH_CALCULATOR__ */ 

#include "gui.h"
#include "Calculator.h"
#include "SettingProfile.h"
#include "ProfileGprots.h"

#ifdef __MMI_CALCULATOR__
#include "Globaldefs.h"
#include "CustDataRes.h"
#include "gui_themes.h"
#include "wgui_categories.h"
#include "wgui_softkeys.h"
#include "HistoryGprot.h"
#include "OrganizerDef.h"
#endif /* __MMI_CALCULATOR__ */ 

/* MTK Elvis for R2L characters */
extern BOOL r2lMMIFlag;

/* MTK end */

/* 
 * Define
 */
/* Images for the calculator: Currently hardcoded */
#define CALC_MAX_DIGITS          12
#define CALC_MAX_BUFF_LEN        30

#ifdef __MMI_CALCULATOR__
#define CALC_NUM_BUTTONS         9

#define CALC_SCR_X               0
#define CALC_SCR_WIDTH           UI_device_width
#define CALC_SCR_HEIGHT          (CALC_NUM_HEIGHT * 3 + 1)

#if defined (__MMI_MAINLCD_128X128__) || defined (__MMI_MAINLCD_128X160__)
	#if defined (__MMI_MAINLCD_128X128__)
	#define CALC_NUM_HEIGHT	13
	#define CALC_KEYPAD_Y				(CALC_NUM_HEIGHT * 3 + 2)
	#else
	#define CALC_NUM_HEIGHT	15
	#define CALC_KEYPAD_Y				0 //(CALC_NUM_HEIGHT * 3 + 15)
	#endif	
	#ifdef __MMI_SLIM_CALCULATOR__
		#define CALC_KEYPAD_X            19
	#else 
		#define CALC_KEYPAD_X            0//21
	#endif 
	#define CALC_SCR_Y               0
#else /* defined (__MMI_MAINLCD_128X128__) || defined (__MMI_MAINLCD_128X160__) */ 

#if defined (__MMI_MAINLCD_176X220__)
#define CALC_NUM_HEIGHT 15
#define MAP_IMG_WIDTH 176
#else /* defined (__MMI_MAINLCD_176X220__) */ 
#define MAP_IMG_WIDTH   240
#define CALC_NUM_HEIGHT 22
#endif /* defined (__MMI_MAINLCD_176X220__) */ 

#define CALC_KEYPAD_Y            (CALC_SCR_Y + CALC_NUM_HEIGHT * 3 + 15)
#define CALC_KEYPAD_X            ((CALC_SCR_WIDTH - MAP_IMG_WIDTH)/2)   /* 0 */
#ifdef GUI_COMMON_SHOW_STATUS_ICON
#define CALC_SCR_Y               0 + MMI_status_bar_height + MMI_COMMON_TITLE_HEIGHT
#else /* GUI_COMMON_SHOW_STATUS_ICON */
#define CALC_SCR_Y               0 + MMI_COMMON_TITLE_HEIGHT
#endif /* GUI_COMMON_SHOW_STATUS_ICON */
#endif /* defined (__MMI_MAINLCD_128X128__) || defined (__MMI_MAINLCD_128X160__) */ 

#define CALC_OPERAND1_Y          (CALC_SCR_Y + CALC_NUM_HEIGHT)
#define CALC_OPERAND2_Y          (CALC_SCR_Y + CALC_NUM_HEIGHT * 2)

#define CALC_KEYPAD_WIDTH        86
#define CALC_KEYPAD_HEIGHT       63

#define CALC_OPERATOR_X          5
#define CALC_OPERATOR_Y          CALC_OPERAND2_Y
#define CALC_MEM_X1              2
#define CALC_MEM_Y1              CALC_SCR_Y+1
#define CALC_MEM_X2              CALC_SCR_WIDTH - 2
#define CALC_MEM_Y2              CALC_OPERAND1_Y - 1

#define RESULT_NOT_EXCEED        0
#define RESULT_EXCEED            1

#define CALC_RSK_BACK            0
#define CALC_RSK_CLEAR           1
#define CALC_ZEOR_LEN            1
#define CALC_ZEOR_DOT_LEN           3

#define CALC_SYM_ERROR     (UI_character_type)'E'
#define CALC_SYM_EQUAL     (UI_character_type)'='
#define CALC_SYM_PLUS      (UI_character_type)'+'
#define CALC_SYM_MINUS     (UI_character_type)'-'
#define CALC_SYM_MUL    (UI_character_type)'x'
#define CALC_SYM_DIV    (UI_character_type)'/'
#define CALC_SYM_DOT    (UI_character_type)'.'