Can you configure the scanner software to prepend the barcode input with an ASCII code not corresponding to a key on the keyboard?
-----Original Message----- From: Eric Haskins [mailto:[EMAIL PROTECTED] Sent: Friday, September 14, 2007 12:34 PM To: CF-Talk Subject: Re: capturing barcode keystrokes I have an app I wrote in PHP that scans pharmaceuticals in and I used the above javascript method to always set focus to the text box I dont know of any other way for the browser to see the keys. I guess you could use a javascript event listener to watch for keystrokes but even then how would you determine it was the scanner or the user typing?? Eric Haskins On 9/14/07, James Holmes <[EMAIL PROTECTED]> wrote: > > There's no way of knowing whether the keys come from the barcode > scanner or the user's keyboard, unless you have a special character > programmed into the scanner as the start and end of the barcode > sequence (a character that can't be typed by the user with any ease - > have a look at the ascii set for these). > > On 9/14/07, Chad Gray <[EMAIL PROTECTED]> wrote: > > Still kind of clunky... Anyway to not have to worry about focus on > > the > text input at all? Just capture the keys and submit them to the > action page? > > > > Thanks for the reply! > > Chad > > > > > > -----Original Message----- > > From: James Holmes [mailto:[EMAIL PROTECTED] > > Sent: Friday, September 14, 2007 10:14 AM > > To: CF-Talk > > Subject: Re: capturing barcode keystrokes > > > > You'll need to set the focus of the text input via javascript. > > > > On 9/14/07, Chad Gray <[EMAIL PROTECTED]> wrote: > > > Anyone have tips on capturing the keystrokes that come off of a > barcode scanner? > > > > > > I would have the user clink into a text area, but that is clunky. > > > > > > I suppose this is more of a javascript thing. > > > > -- > > mxAjax / CFAjax docs and other useful articles: > > http://www.bifrost.com.au/blog/ > > > > > > > > > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Create robust enterprise, web RIAs. Upgrade to ColdFusion 8 and integrate with Adobe Flex http://www.adobe.com/products/coldfusion/flex2/?sdid=RVJP Archive: http://www.houseoffusion.com/groups/CF-Talk/message.cfm/messageid:288508 Subscription: http://www.houseoffusion.com/groups/CF-Talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4
