how to set cancel button and help(F1)?

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5 total messages Started by jinxiaojin Wed, 24 Mar 2004 00:53

#1087

Author: jinxiaojin
Date: Wed, 24 Mar 2004 00:53

6 lines
1189 bytes

As you know,it is simply to set up a default key(reacting to Enter being pressed)  and a cancel key (reacting to ESC being pressed))in dephi.
I know how to set up default button in java,But I do not know how to set up a cancel button and help button(reacting to F1 being pressed) .
I found  Jbuilder's UI can do it.
Somebody can tell me how to do it?
thanks.

Re: how to set cancel button and help(F1)?

#1091

Author: Roel
Date: Wed, 24 Mar 2004 14:08

22 lines
1637 bytes

Hi,

You have to use keylisteners.

A good resource is:
http://www.rz.fhtw-berlin.de/javakurs/magelang/awt/sec03-events.html

Regards,

Roel




jinxiaojin wrote:

> As you know,it is simply to set up a default key(reacting to Enter being pressed)  and a cancel key (reacting to ESC being pressed))in dephi.
> I know how to set up default button in java,But I do not know how to set up a cancel button and help button(reacting to F1 being pressed) .
> I found  Jbuilder's UI can do it.
> Somebody can tell me how to do it?
> thanks.
>

Re: how to set cancel button and help(F1)?

#1093

Author: jinxiaojin
Date: Thu, 25 Mar 2004 02:01

33 lines
1820 bytes

Thanks for your repsponse.
I know this way,and I think it is inconvenient.
In fact,java give a simple method to proccess enter key.
the following code can process enter key.
this.getRootPane().setDefaultButton(btn);

I think there should be a simple way to process ese and f1.

Roel <rgillesen_remove@yahoo.com> wrote:
>Hi,
>
>You have to use keylisteners.
>
>A good resource is:
>http://www.rz.fhtw-berlin.de/javakurs/magelang/awt/sec03-events.html
>
>Regards,
>
>Roel
>
>
>
>
>jinxiaojin wrote:
>
>> As you know,it is simply to set up a default key(reacting to Enter being pressed)  and a cancel key (reacting to ESC being pressed))in dephi.
>> I know how to set up default button in java,But I do not know how to set up a cancel button and help button(reacting to F1 being pressed) .
>> I found  Jbuilder's UI can do it.
>> Somebody can tell me how to do it?
>> thanks.
>> 
>

Re: how to set cancel button and help(F1)?

#1094

Author: jinxiaojin
Date: Thu, 25 Mar 2004 02:01

33 lines
1820 bytes

Thanks for your repsponse.
I know this way,and I think it is inconvenient.
In fact,java give a simple method to proccess enter key.
the following code can process enter key.
this.getRootPane().setDefaultButton(btn);

I think there should be a simple way to process ese and f1.

Roel <rgillesen_remove@yahoo.com> wrote:
>Hi,
>
>You have to use keylisteners.
>
>A good resource is:
>http://www.rz.fhtw-berlin.de/javakurs/magelang/awt/sec03-events.html
>
>Regards,
>
>Roel
>
>
>
>
>jinxiaojin wrote:
>
>> As you know,it is simply to set up a default key(reacting to Enter being pressed)  and a cancel key (reacting to ESC being pressed))in dephi.
>> I know how to set up default button in java,But I do not know how to set up a cancel button and help button(reacting to F1 being pressed) .
>> I found  Jbuilder's UI can do it.
>> Somebody can tell me how to do it?
>> thanks.
>> 
>

Re: how to set cancel button and help(F1)?

#1095

Author: Lori M Olson (TeamB)
Date: Thu, 25 Mar 2004 04:18

35 lines
2211 bytes

jinxiaojin wrote:

> Thanks for your repsponse.
> I know this way,and I think it is inconvenient.
> In fact,java give a simple method to proccess enter key.
> the following code can process enter key.
> this.getRootPane().setDefaultButton(btn);
> 
> I think there should be a simple way to process ese and f1.
> 

If you define an Action for "Esc", and an Action for "F1", then you can 
assign these actions to the specific buttons using the 
"configurePropertiesFromAction( Action a )" method.

I think that's as close to simple as you are going to get.

-- 

Regards,

Lori Olson (TeamB)

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