[DUG] Touch Screen Development

[Rodney Chan]

Hi all,

Thanks a lot for all the suggestions.  I think I will start with
TSpeedButton.

Cheers
Rodney

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Today's Topics:

   1. Re: Touch Screen Development (Pedrocelli)


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Message: 1
Date: Tue, 23 Aug 2011 21:23:16 +1200
From: "Pedrocelli" <pedrocelli at slingshot.co.nz>
Subject: Re: [DUG] Touch Screen Development
To: "NZ Borland Developers Group - Delphi List" <delphi at delphi.org.nz>
Message-ID: <20101896406344AE976D90A822BAC98E at Hal>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
	reply-type=original

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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