smi_inp.c

是一个手机功能的模拟程序

/* 
+----------------------------------------------------------------------------- 
|  Project :  GSM-F&D (8411)
|  Modul   :  SMI_INP
+----------------------------------------------------------------------------- 
|  Copyright 2002 Texas Instruments Berlin, AG 
|                 All rights reserved. 
| 
|                 This file is confidential and a trade secret of Texas 
|                 Instruments Berlin, AG 
|                 The receipt of or possession of this file does not convey 
|                 any rights to reproduce or disclose its contents or to 
|                 manufacture, use, or sell anything it may describe, in 
|                 whole, or in part, without the specific written consent of 
|                 Texas Instruments Berlin, AG. 
+----------------------------------------------------------------------------- 
|  Purpose :  This Modul defines functions for input processing to
|             enter numbers or strings from the keypad.
+----------------------------------------------------------------------------- 
*/ 

#ifndef SMI_INP_C
#define SMI_INP_C
#endif

#define ENTITY_SMI

/*==== INCLUDES ===================================================*/
#include <string.h>
#include "typedefs.h"
#include "vsi.h"
#include "custom.h"
#include "gsm.h"
#include "prim.h"
#include "tok.h"
#include "message.h"

#include "aci_cmh.h"
#include "ksd.h"
#include "aca.h"
#include "smi.h"

/*==== CONSTANTS ==================================================*/

#define MAX_INPUTS  3

/*==== TYPES ======================================================*/

/*==== EXPORT =====================================================*/

/*==== VARIABLES ==================================================*/

LOCAL T_INPUT  inputTable[MAX_INPUTS];
LOCAL USHORT   numOfInputs;

/*==== FUNCTIONS ==================================================*/

/*
+--------------------------------------------------------------------+
| PROJECT : GSM-PS (6147)         MODULE  : SMI_INP                  |
| STATE   : code                  ROUTINE : inp_init                 |
+--------------------------------------------------------------------+

  PURPOSE : Initialize the input module.

*/

GLOBAL void inp_init (void)
{
  numOfInputs  = MAX_INPUTS;
   
  while (numOfInputs)
    inputTable[--numOfInputs].free = TRUE;
}

/*
+--------------------------------------------------------------------+
| PROJECT : GSM-PS (6147)         MODULE  : SMI_INP                  |
| STATE   : code                  ROUTINE : inp_getInput             |
+--------------------------------------------------------------------+

  PURPOSE : returns the input string of the area referenced
            by aHandle.

*/

GLOBAL char *inp_getInput (USHORT aHandle)
{
  T_AREA *a = wm_getArea (aHandle);

  if (a NEQ NULL AND a->funcType EQ FN_INPUT)
  {
    T_INPUT *inp = &inputTable[a->func];

    if (inp->aktInputIdx > 0)
      inp->aktInput[inp->aktInputIdx] = NULL_TERM;

    return inp->aktInput;
  }
  return "";
}


/*
+--------------------------------------------------------------------+
| PROJECT : GSM-PS (6147)         MODULE  : SMI_INP                  |
| STATE   : code                  ROUTINE : inp_refreshInput         |
+--------------------------------------------------------------------+

  PURPOSE : refreshs the user input for a given input area a.

*/

LOCAL void inp_refreshInput (T_AREA *a, T_INPUT *inp)
{
  char outLine[MAX_INPUT_SIZE+1];

  if (inp->aktInputType & IT_ECHO)
  {
    if (inp->aktInputCol+inp->aktInputIdx > a->dx)
      wm_setCursor (a, TRUE,
                    inp->aktInputRow,
                    a->dx);
    else
      wm_setCursor (a, TRUE,
                    inp->aktInputRow,
                    (USHORT)(inp->aktInputCol+inp->aktInputIdx));

    if (inp->aktInputType & IT_HIDDEN)
    {
      /*
       * build a **** output
       */
      memset (outLine, '*', inp->aktInputIdx);
      outLine[inp->aktInputIdx] = NULL_TERM;
    }
    else
    {
      strncpy (outLine, inp->aktInput, MAX_INPUT_SIZE);
      outLine[MAX_INPUT_SIZE] = NULL_TERM;

      ksd_getPwdHidden (outLine, '.');
    }

    if (inp->aktInputCol+inp->aktInputIdx > a->dx)
      wm_areaOutput (a, inp->aktInputRow,
                        inp->aktInputCol,
                        outLine+((inp->aktInputCol+inp->aktInputIdx)-a->dx));
    else
      wm_areaOutput (a, inp->aktInputRow, inp->aktInputCol, outLine);

    /*
     * cleanup the remaining characters in the display
     */
    if (inp->aktInputIdx < inp->maxInputLen)
    {
      char blankLine[MAX_INPUT_SIZE+1];
      /*
       * build a blank output
       */
      memset (blankLine, ' ', inp->maxInputLen-inp->aktInputIdx);

      blankLine[inp->maxInputLen-inp->aktInputIdx] = NULL_TERM;

      wm_areaOutput (a, inp->aktInputRow,
                        inp->aktInputCol+inp->aktInputIdx,
                        blankLine);
    }
    wm_areaRefresh (a);
  }
}


/*
+--------------------------------------------------------------------+
| PROJECT : GSM-PS (6147)         MODULE  : SMI_INP                  |
| STATE   : code                  ROUTINE : inp_setInput             |
+--------------------------------------------------------------------+

  PURPOSE : sets the input string for the given input area.

*/

GLOBAL void  inp_setInput (USHORT aHandle, char *inpString)
{
  T_AREA *a = wm_getArea (aHandle);

  if (a NEQ NULL AND a->funcType EQ FN_INPUT)
  {
    T_INPUT *inp = &inputTable[a->func];

    strncpy (inp->aktInput, inpString, inp->maxInputLen);
    inp->aktInputIdx = MINIMUM (inp->maxInputLen,
                                strlen (inpString));

    inp->aktInput[inp->aktInputIdx+1] = NULL_TERM;

    inp_refreshInput (a, inp);
  }
}

/*
+--------------------------------------------------------------------+
| PROJECT : GSM-PS (6147)         MODULE  : SMI_INP                  |
| STATE   : code                  ROUTINE : inp_charToInput          |
+--------------------------------------------------------------------+

  PURPOSE : This function adds a character to the input string for 
            the area referenced by aHandle.
*/
GLOBAL void inp_charToInput (USHORT aHandle, char c)
{
  T_AREA *a = wm_getArea (aHandle);

  if (a NEQ NULL AND a->funcType EQ FN_INPUT)
  {
    T_INPUT *inp = &inputTable[a->func];

    if (c NEQ NULL_TERM)
    {
      if (c EQ '\b')
      {
        /*
         *-----------------------------------------------------------
         * backspace - delete the last added character
         *-----------------------------------------------------------
         */
        if (inp->aktInputIdx > 0)
        {
          /*
           *---------------------------------------------------------
           * clear the last character in the LCD display and
           * in the input string
           *---------------------------------------------------------
           */
          inp->aktInputIdx--;
          inp->aktInput[inp->aktInputIdx] = NULL_TERM;
        }
        else
          /*
           *---------------------------------------------------------
           * no action -> no refresh
           *---------------------------------------------------------
           */
          return;
      }
      else
      {
        /*
         *-----------------------------------------------------------
         * when IT_ALPHA is set:
         *    all characters are valid inputs
         *
         * when IT_ALPHA is not set and IT_NUMERIC is set:
         *    only the characters 0 1 2 3 4 5 6 7 8 9 * # + - <SPACE>
         *    are valid inputs
         *
         * when neither IT_ALPHA nor IT_NUMERIC is set:
         *    all characters are invalid inputs
         *-----------------------------------------------------------
         */
        if (
             (
                 inp->aktInputType & IT_NUMERIC  AND
               !(inp->aktInputType & IT_ALPHA)   AND
                (c < '0' OR c > '9')             AND
                 c NEQ '*'                       AND
                 c NEQ '#'                       AND
                 c NEQ '+'                       AND
                 c NEQ '-'                       AND
                 c NEQ ' '                          
             )
             OR
             (
               !(
                  inp->aktInputType & IT_NUMERIC  OR
                  inp->aktInputType & IT_ALPHA      
                )      
             )
           )      
          /*
           *---------------------------------------------------------
           * no action -> no refresh
           *---------------------------------------------------------
           */
          return;
        
        if (inp->aktInputIdx < inp->maxInputLen)
        {
          inp->aktInput[inp->aktInputIdx++] = c;
          inp->aktInput[inp->aktInputIdx]   = NULL_TERM;
        }
      }
    }

    inp_refreshInput (a, inp);
  }
}

/*
+--------------------------------------------------------------------+
| PROJECT : GSM-PS (6147)         MODULE  : SMI_INP                  |
| STATE   : code                  ROUTINE : inp_startInput           |
+--------------------------------------------------------------------+

  PURPOSE : Start the input of a string in the area referenced
            by aHandle.

*/

GLOBAL void inp_startInput (USHORT  aHandle,
                            UBYTE   row,
                            UBYTE   col,
                            char   *prompt,
                            UBYTE   length,
                            UBYTE   type)
{ 
  USHORT   i=0;
  T_INPUT *inp;
  T_AREA  *a = wm_getArea (aHandle);

  if (numOfInputs < MAX_INPUTS
  AND a NEQ NULL
  AND a->funcType EQ FN_NONE)
  {
    while (i<MAX_INPUTS)
    {
      if (inputTable[i].free)
      {
        a->funcType = FN_INPUT;
        inp = &inputTable[i];
        inp->free = FALSE;
        a->func = (UBYTE) i;
        numOfInputs++;
        break;
      }
      i++;
    }
  
    if (i < MAX_INPUTS)
    {
      inp->aktInputIdx   = 0;
      inp->aktInputRow   = (int) row;
      inp->aktInputCol   = (int) col;
      inp->aktInputType  = type;
      inp->maxInputLen   = length;

      wm_areaOutput (a, inp->aktInputRow,
                     inp->aktInputCol,
                     prompt);
      
      inp->aktInputCol += strlen (prompt);
  
      inp->aktInput[0] = NULL_TERM;

      inp_charToInput (aHandle, NULL_TERM);
    }
  }
}

/*
+--------------------------------------------------------------------+
| PROJECT : GSM-PS (6147)         MODULE  : SMI_INP                  |
| STATE   : code                  ROUTINE : inp_stopInput            |
+--------------------------------------------------------------------+

  PURPOSE : stops the input editing process for the area referenced
            by aHandle.

*/

GLOBAL void inp_stopInput (USHORT aHandle)
{
  T_AREA *a = wm_getArea (aHandle);

  if (a NEQ NULL AND a->funcType EQ FN_INPUT)
  {
    a->funcType = FN_NONE;

    if (!inputTable[a->func].free)
    {
      inputTable[a->func].free = TRUE;
      numOfInputs--;
      a->func = 0;
    }
    wm_clearArea (aHandle);
  }    
}