How about making (large) buttons with PiLRC or Constructor? And then just act on ctlSelectEvents?
Always worked fine for me. Good luck, Caspar -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Luc Le Blanc Sent: Tuesday, December 30, 2003 11:31 AM To: Palm Developer Forum Subject: Re: Pen Down Area? Ask your user to use their nail, it works much better than the finger itself, and it's more precise too. And it doesn't get the screen dirty. Whenever I don't pull my stylus, I use my little finger, I can even write Graffiti for a quick phone lookup. You may notice cashiers with touch screens do that too. -- Luc Le Blanc steve a �crit : > .. There is a hardware limit: the touch screen. > > It think all palm device are using capacitive touch screen. > > A capacitive touch screen is two layers separated by a gel. The layer on > the side of the user has small cuts arrange on a grid. When a pen > presses on the touch screen, the capacity (like a condenser) of the > touch screen changes due to the borders of small number of cuts under > pen are bend in the direction of the other layer. The problem with a > finger, the borders of the cuts under the finger are not so much bended > and much more holes are bended. This gives different a capacity. > > And if the controller does not try to do smart processing in the case of > contact with a finger; you have no contact or a contact not > corresponding to the touch of a finger. > > You have two solutions: > -make larger cuts and more spaced... I think this is out of your > reach and this would make the device less precise. > -use a wave touch screen instead of a capacitive. Perhaps palm > will have those; they are not made with plastic but glass so they > scratch less easily. > -try to do smart things with the few information you have. This > works but it really takes time to find out. > -ask the user to press harder... hoping there finger will not > break the lcd. > > Steve. > > > -----Original Message----- > > From: [EMAIL PROTECTED] > [mailto:bounce-palm-dev- > > [EMAIL PROTECTED] On Behalf Of JP > > Sent: Monday, December 29, 2003 11:07 PM > > To: Palm Developer Forum > > Subject: Re: Pen Down Area? > > > > I have used eventP->screenX, no difference in sensivity of screen > area. A > > flat finger dosnt return a X value, > > > > > > "Aaron Ardiri" <[EMAIL PROTECTED]> wrote in message > > news:[EMAIL PROTECTED] > > > > I have written an app the that displays buttons on scree, uses use > > there > > > > fingers/thumb to press the button, however if the person has a > flat > > finger > > > > then the button doesn't depress, the calc application seem to > handle > > finger > > > > presses better, any ideas? > > > > > > > > Here is the code I am using > > > > > > > > switch (eventP->eType) > > > > { > > > > case penDownEvent: > > > > PenGetPoint(&penX, &penY, &penDown); > > > > > > why are you using PenGetPoint? (your API?) how about: > > > > > > eventP->screenX and > > > eventP->screenY > > > > > > why not use the values you are provided? > > > > > > --- > > > Aaron Ardiri > > > [EMAIL PROTECTED] > > > http://www.mobilewizardry.com/members/aaron_ardiri.php [profile] -- For information on using the Palm Developer Forums, or to unsubscribe, please see http://www.palmos.com/dev/support/forums/ -- For information on using the Palm Developer Forums, or to unsubscribe, please see http://www.palmos.com/dev/support/forums/
