[DUG] Touch Screen Development
Pedrocelli
pedrocelli at slingshot.co.nz
Tue Aug 23 21:23:16 NZST 2011
Hi Rodney,
I've worked on something similar in the past. You could use a block of
TButtons to make a numeric keypad, that way the user doesn't need to use the
keyboard for numeric input.
Pedrocelli
----- Original Message -----
From: "Rodney Chan" <rchan at compuspec.com>
To: <delphi at delphi.org.nz>
Sent: Tuesday, August 23, 2011 11:13 AM
Subject: [DUG] Touch Screen Development
> Hi all,
>
> I have developed a POS software for my client many years ago. And now he
> is
> considering to use touch screen and get rid of keyboard and mouse (at
> least
> in normal operation). I would expect the development will be similar
> apart
> providing an on screen keyboard (Tbuttons) for numeric input. However, I
> am
> a bit concern about the focus. If I have data entry inside a TEdit, when
> the user click on the TButton for numeric input, focus will change to the
> button and the cursor will not be on the TEdit anymore. Of course, I can
> change the focus back but it seems that it is a bit clumsy.
>
> It would be great if anybody can have some suggestions or point me to the
> right direction.
>
> Remark: out of some old VCLs, I still prefer to use Delphi 6 for the
> maintenance of this project although I have license for D2010.
>
>
> Thanks in advance!
> Rodney
>
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