long CalcOptions::onInitDialog()
{
::CopyMemory(&normalFmt, &_normalFmt, sizeof(CHARFORMAT));
::CopyMemory(&resultFmt, &_resultFmt, sizeof(CHARFORMAT));
::CopyMemory(&errorFmt, &_errorFmt, sizeof(CHARFORMAT));
// fill angle mode combo box
::SendDlgItemMessage(_hDlg, IDC_ANGLE_MODE, CB_ADDSTRING, 0, (LPARAM)"Degrees");
::SendDlgItemMessage(_hDlg, IDC_ANGLE_MODE, CB_ADDSTRING, 0, (LPARAM)"Radians");
::SendDlgItemMessage(_hDlg, IDC_ANGLE_MODE, CB_ADDSTRING, 0, (LPARAM)"Gradians");
// fill mem view format combo box
::SendDlgItemMessage(_hDlg, IDC_MEMVIEW_FORMAT, CB_ADDSTRING, 0, (LPARAM)"Decimal");
::SendDlgItemMessage(_hDlg, IDC_MEMVIEW_FORMAT, CB_ADDSTRING, 0, (LPARAM)"Hex");
::SendDlgItemMessage(_hDlg, IDC_MEMVIEW_FORMAT, CB_ADDSTRING, 0, (LPARAM)"Octal");
::SendDlgItemMessage(_hDlg, IDC_MEMVIEW_FORMAT, CB_ADDSTRING, 0, (LPARAM)"Binary");
if(getAlwaysOnTop()) ::CheckDlgButton(_hDlg, IDC_ALWAYS_ON_TOP, BST_CHECKED);
if(getMemVisible()) ::CheckDlgButton(_hDlg, IDC_MEM_VISIBLE, BST_CHECKED);
if(getCopyResult()) ::CheckDlgButton(_hDlg, IDC_COPY_RESULT, BST_CHECKED);
::SendDlgItemMessage(_hDlg, IDC_ANGLE_MODE, CB_SETCURSEL, (WPARAM)getAngleMode(), 0L);
::SendDlgItemMessage(_hDlg, IDC_MEMVIEW_FORMAT, CB_SETCURSEL, (WPARAM)getMemViewFmt(), 0L);
if(getOutputDec()) ::CheckDlgButton(_hDlg, IDC_OUTPUT_DEC, BST_CHECKED);
if(getOutputHex()) ::CheckDlgButton(_hDlg, IDC_OUTPUT_HEX, BST_CHECKED);
if(getOutputOct()) ::CheckDlgButton(_hDlg, IDC_OUTPUT_OCT, BST_CHECKED);
if(getOutputBin()) ::CheckDlgButton(_hDlg, IDC_OUTPUT_BIN, BST_CHECKED);
::SetDlgItemInt(_hDlg, IDC_NUM_DIGITS, getNumDigits(), TRUE);
return TRUE;
}
int countDigitOne(int n) {
int result = 0;
int firstDigit = getFirstDigit(n);
int numDigits = getNumDigits(n);
if (numDigits == 1) {
if (firstDigit >= 1)
result = 1;
}
else if (numDigits > 1) {
int remainder = n - firstDigit*pow(10, numDigits-1);
for (int k = 1; k < numDigits; k++)
result += numOneInNDigitNumbers(k);
if (firstDigit > 1) {
int sum = 0;
for (int k = 1; k < numDigits; k++)
sum += numOneInNDigitNumbers(k);
result += pow(10, numDigits-1)+(firstDigit-1)*sum;
}
else
result += remainder+1;
result += countDigitOne(remainder);
}
return result;
}
/**********************************************************************************************************************
* Function : intToString *
* Inputs : int integer. Receives the integer to be converted to string. *
* Outputs : N/A *
* Return : char *. Reference to the string obtained after the conversion. *
* Description : This is the function required by the exercise (see excersie description). *
* *
**********************************************************************************************************************/
char *intToString(int integer) {
bool negative = false;
unsigned short i,
num_len = 0;
char *outstring = NULL;
/* Exctract the sign of the integer */
negative = getSign(&integer);
/* Calculate the required length */
num_len = getNumDigits(&integer) + 1;
if(negative)
num_len++;
/* Allocate memory space for the string */
outstring = (char *)malloc(num_len*sizeof(char));
if(!outstring) {
printf("Error! Unable to allocate memory for \"outstring\".\n");
return NULL;
}
i = 0;
/* Prefix negative sign when required */
if(negative) {
*(outstring + i++) = '-';
}
/* Fore each digit, get the digit character */
while(i < num_len - 1) {
*(outstring + i) = (char)getDigit(&integer, num_len - 2 - i);
i++;
}
/* Add string terminator */
*(outstring + i) = '\0';
/* Return the result */
return outstring;
}
