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OrbWorks Community Forum • View topic - Pen out event

Pen out event

A PocketC native palm library offering native forms and assorted utilities

Postby dcalp on Fri Sep 20, 2002 7:33 pm

Hello Joe:
Is there any way to detect with Fevent()
when you drag out the pen from a control (i.e. Button)
after pushing it (and without Pen Up). In this moment
the button gets back to the "unpushed" state, but don't
trigger his own event.
TIA


DC

Pocket VisualForms
Visual design for PocketC
http://pocketvf.port5.com
http://www.angelfire.com/rnb/pocketvf
Diego

Pocket VisualForms
Visual design for PocketC
http://www.diegocalp.com.ar
dcalp
 
Posts: 115
Joined: Thu Dec 06, 2001 9:53 am
Location: Argentina

Postby jstadolnik on Sat Sep 21, 2002 1:41 am

It is technically possible to support the case where a pen down event occurs in a control (button), but the pen is dragged outside of the button and then lifted. The palmOS issues a special event (ctlExitEvent) which can be trapped rather than the usual (ctlSelectEvent).

Currently Fevent doesn't trap these ctlExitEvents, but I could make it do so. Would this useful? If so how would you use it?

There are some tricky things in implementing such a feature, like how to differentiate ctlExitEvent from a ctlSelectEvent. For example, should Fevent return the control id in both cases?

Joe

The PToolboxLib guy.
http://www.geocities.com/retro_01775/PToolboxLib.htm
jstadolnik
 
Posts: 1741
Joined: Wed Dec 06, 2000 3:34 am
Location: USA

Postby dcalp on Sat Sep 21, 2002 9:32 am

I'm working to add color support to Pocket VisualForms using PToolBox. With your previous help about UIColor usage I can set different colours to Buttons in the same form, overcoming UIColor "limitations", except when you drag the pen out of the button. In this situation the button takes the default color for the form until you press it again.

I think that more events for UI controls will be very useful in many cases, not only for the colors case. It will give you more power, like in other environments (OnEnter, OnExit, OnMouseMove, etc).

Thanks



DC

Pocket VisualForms
Visual design for PocketC
http://pocketvf.port5.com
http://www.angelfire.com/rnb/pocketvf
Diego

Pocket VisualForms
Visual design for PocketC
http://www.diegocalp.com.ar
dcalp
 
Posts: 115
Joined: Thu Dec 06, 2001 9:53 am
Location: Argentina

Postby jstadolnik on Tue Sep 24, 2002 1:04 am

I'll add this to next release.

I just crawled out of a week of cable modem/home networking hell. Now I can get back to this PToolbox stuff. I also have a planned vacation coming up, so I'll probably have to slip out the release another 2 weeks. :evil:

Joe

The PToolboxLib guy.
http://www.geocities.com/retro_01775/PToolboxLib.htm
jstadolnik
 
Posts: 1741
Joined: Wed Dec 06, 2000 3:34 am
Location: USA

Postby dcalp on Tue Sep 24, 2002 8:58 am

Great! Thank you

Happy vacation!!

DC

Pocket VisualForms
Visual design for PocketC
http://pocketvf.port5.com
http://www.angelfire.com/rnb/pocketvf
Diego

Pocket VisualForms
Visual design for PocketC
http://www.diegocalp.com.ar
dcalp
 
Posts: 115
Joined: Thu Dec 06, 2001 9:53 am
Location: Argentina


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