bmi.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:
*  --------------------
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*  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
*
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*  THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
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*  SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
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*****************************************************************************/

/*****************************************************************************
 *
 * Filename:
 * ---------
 * Bmi.c
 *
 * Project:
 * --------
 *   MAUI
 *
 * Description:
 * ------------
 *   This file implements BMI application
 *
 * Author:
 * -------
 * -------
 *
 *============================================================================
 *             HISTORY
 * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
 *------------------------------------------------------------------------------
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 *------------------------------------------------------------------------------
 * Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
 *============================================================================
 ****************************************************************************/
 /*****************************************************************************
*  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) 2003
*
*****************************************************************************/

/*****************************************************************************
 *
 * Filename:
 * ---------
 * Bmi.c
 *
 * Project:
 * --------
 * MAUI
 *
 * Description:
 * ------------
 * This file implements BMI application.
 *
 * Author:
 * -------
 * -------
 *
 *****************************************************************************/
 /*  Include: MMI header file */
#ifndef _MMI_BMI_C
#define _MMI_BMI_C
#include "MMI_features.h"
#ifdef __MMI_BMI__

#include "HistoryGprot.h"
#include "GlobalDefs.h"
#include "wgui_categories.h"
#include "wgui_categories_inputs.h"
#include "Unicodexdcl.h"
#include "BMI.h"
#include "settingprofile.h"
#include "Organizerdef.h"
#include "CommonScreens.h"
#include "Calculator.h"

/*  Include: PS header file */

/* 
 * Define
 */
#define  BMI_MALE_LB             20     /* Lower bound of standard BMI index of a man */
#define  BMI_MALE_UB             25     /* Upper bound of standard BMI index of a man */
#define  BMI_FEMALE_LB           18     /* Lower bound of standard BMI index of a woman */
#define  BMI_FEMALE_UB           23     /* Upper bound of standard BMI index of a woman */
#define  BMI_MAX_INPUT           8
#define  BMI_DIGIT_LEN           9*ENCODING_LENGTH
#define  BMI_LB_UB_LEN           4*ENCODING_LENGTH      /* buffer length to store lower and upper bound */
#define  BMI_RESULT_LEN          7*ENCODING_LENGTH      /* buffer length to store resut xxx.xx */
#define  BMI_MAX_HEIGHT          300
#define  BMI_MIN_HEIGHT          55
#define  BMI_MAX_WEIGHT          300
#define  BMI_MIN_WEIGHT          1
/* 
 * Typedef 
 */
typedef struct
{
    DOUBLE Height;
    DOUBLE Weight;
    S32 Gender;
    U8 *GenderList[2];
    S8 UBBuf[BMI_LB_UB_LEN];
    S8 LBBuf[BMI_LB_UB_LEN];
    S8 ResultBuf[BMI_RESULT_LEN];
    S8 HeightBuf[BMI_DIGIT_LEN];
    S8 WeightBuf[BMI_DIGIT_LEN];
    U8 CurrHilite;
} bmi_context_struct;

/* 
 * Local Variable
 */

/* 
 * Local Function
 */
U8 BMIDelScrCB(void *p);

/* 
 * Global Variable
 */

bmi_context_struct *g_bmi_cntx = NULL;
extern wgui_inline_item wgui_inline_items[];

/* 
 * Global Function
 */
extern void gui_float_string(DOUBLE dob_val, S32 prec_val, S8 *out_buffer);
extern void set_leading_zero(U8 u8type);


/*****************************************************************************
 * FUNCTION
 *  HighlightBMIMenu
 * DESCRIPTION
 *  Highlight handler of BMI menu item.
 *  Register key handlers.
 * PARAMETERS
 *  void
 * RETURNS
 *  void
 *****************************************************************************/
void HighlightBMIMenu(void)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    SetLeftSoftkeyFunction(EntryBMIWelcomeScreen, KEY_EVENT_UP);
    SetKeyHandler(EntryBMIWelcomeScreen, KEY_RIGHT_ARROW, KEY_EVENT_DOWN);
}


/*****************************************************************************
 * FUNCTION
 *  BmiDeInit
 * DESCRIPTION
 *  Free allocated memory.
 * PARAMETERS
 *  void
 * RETURNS
 *  void
 *****************************************************************************/
void BmiDeInit(void)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    if (g_bmi_cntx)
    {
        OslMfree(g_bmi_cntx);
        g_bmi_cntx = NULL;
    }
}


/*****************************************************************************
 * FUNCTION
 *  BMIDelScrCB
 * DESCRIPTION
 *  Callback function of delete bmi screen
 * PARAMETERS
 *  p       [?]     
 * RETURNS
 *  void
 *****************************************************************************/
U8 BMIDelScrCB(void *p)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    if (GetActiveScreenId() == SCR_BMI_INPUT)
    {
        CloseCategory57Screen();
    }
    BmiDeInit();
    return MMI_FALSE;
}


/*****************************************************************************
 * FUNCTION
 *  EntryBMIWelcomeScreen
 * DESCRIPTION
 *  Display welcome screen of BMI application
 * PARAMETERS
 *  void
 * RETURNS
 *  void
 *****************************************************************************/
void EntryBMIWelcomeScreen(void)
{
#ifndef __MMI_MAINLCD_240X320__
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    U8 *guiBuffer;

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    guiBuffer = GetCurrGuiBuffer(SCR_BMI_WELCOME);
    EntryNewScreen(SCR_BMI_WELCOME, NULL, EntryBMIWelcomeScreen, NULL);
    ShowCategory129Screen(
        (U8*) get_string(STR_BMI_WELCOME_CAPTION),
        GetRootTitleIcon(EXTRA_HEALTH_MENU),
        STR_GLOBAL_OK,
        IMG_GLOBAL_OK,
        STR_GLOBAL_BACK,
        IMG_GLOBAL_BACK,
        IMG_BMI_WELCOME_SCREEN,
        guiBuffer);

    SetLeftSoftkeyFunction(EntryBMIInputScreen, KEY_EVENT_UP);
    SetRightSoftkeyFunction(GoBackHistory, KEY_EVENT_UP);
#else /* __MMI_MAINLCD_240X320__ */ 
    EntryBMIInputScreen();
#endif /* __MMI_MAINLCD_240X320__ */ 
}


/*****************************************************************************
 * FUNCTION
 *  EntryBMIInputScreen
 * DESCRIPTION
 *  Display inline editor screen for entering gender, height, and weight
 * PARAMETERS
 *  void
 * RETURNS
 *  void
 *****************************************************************************/
void EntryBMIInputScreen(void)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    U8 *guiBuffer;
    U8 *inputBuffer;        /* added for inline edit history */
    U16 inputBufferSize;    /* added for inline edit history */
    U16 BMIImageList[6] = {0, 0, 0, 0, 0, 0};

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    if (g_bmi_cntx == NULL)
    {
        g_bmi_cntx = OslMalloc(sizeof(bmi_context_struct));
        memset(g_bmi_cntx, 0, sizeof(bmi_context_struct));
    }

    EntryNewScreen(SCR_BMI_INPUT, ExitBMIInputScreen, NULL, NULL);
    SetDelScrnIDCallbackHandler(SCR_BMI_INPUT, (HistoryDelCBPtr) BMIDelScrCB);

    InitializeCategory57Screen();

    guiBuffer = GetCurrGuiBuffer(SCR_BMI_INPUT);

    BMIFillInlineStruct();

    RegisterHighlightHandler(HighlightBMIInlineEditor);

    if (g_bmi_cntx->Gender == 0)
    {
        BMIImageList[ENUM_GENDER] = IMG_BMI_BLUE_FLOWER;
    }
    else
    {
        BMIImageList[ENUM_GENDER] = IMG_BMI_RED_FLOWER;
    }

    inputBuffer = GetCurrNInputBuffer(SCR_BMI_INPUT, &inputBufferSize); /* added for inline edit history */

    if (inputBuffer != NULL)    /* added for inline edit history */