Intermec Trakker T2090, Руководство пользователя

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im_receive_input
4-41
4
void main (void)
{
IM_ULONG iSetup = IM_DISPLAY_ONLY, iPassFlags, ii=0;
IM_STATUS iStatus;
IM_ORIGIN iSource;
/* set up display */
im_clear_screen();
/***************************************************************************************/
/* loops through once to display prompts and fields then comes back through to gather */
/* input. If validation fails stays in field until validation passes. */
/***************************************************************************************/
do
{
im_set_cursor_xy( aScreen[ii].iRow, aScreen[ii].iCol );
iPassFlags = aScreen[ii].iFlags | iSetup ;
iStatus = im_receive_field( IM_KEYBOARD_SELECT | IM_LABEL_SELECT,
IM_INFINITE_TIMEOUT, aScreen[ii].iAttribute,
iPassFlags,aScreen[ii].iLength, &iSource,
aScreen[ii].pszText);
/* Validate if not display pass */
if (iSetup & IM_DISPLAY_ONLY)
{
ii++;
}
else if (DoValidation(aScreen[ii].pszText, aScreen[ii].iMinLength ) )
{
ii++;
iSetup = iSetup & !IM_AT_END;
}
else /* Must have been error, go to end of same field */
iSetup = iSetup | IM_AT_END;
/*See if display pass done and if is, turn into data input pass. */
if ((iSetup & IM_DISPLAY_ONLY) && ( aScreen[ii].pszText == (void *)0 ) )
{
iSetup = iSetup & !IM_DISPLAY_ONLY ; /*reset the display only bit */
ii = 0; /* and start again at the top */
}
} while ( aScreen[ii].pszText != (void *)0 ) ;
}
im_receive_input
Purpose This function gets input from the source and places it into the received
buffer. You can use the im_get_length function after this function to get the
input length.
Syntax #include "imt209x.h"
IM_STATUS im_receive_input
(IM_ORIGIN
allowed,
IM_UINT timeout,
IM_ORIGIN *source,
IM_CHAR *received);