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JPopupMenu

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  JPopupMenu Cecil Westerhof <Cecil@decebal.nl> - 2015-02-02 20:29 +0100
    Re: JPopupMenu Eric Sosman <esosman@comcast-dot-net.invalid> - 2015-02-02 14:46 -0500
    Re: JPopupMenu Arne Vajhøj <arne@vajhoej.dk> - 2015-02-02 15:01 -0500
      Re: JPopupMenu Cecil Westerhof <Cecil@decebal.nl> - 2015-02-03 01:05 +0100
    Re: JPopupMenu Roedy Green <see_website@mindprod.com.invalid> - 2015-02-05 13:34 -0800
      Re: JPopupMenu Cecil Westerhof <Cecil@decebal.nl> - 2015-02-10 19:54 +0100

#31017 — JPopupMenu

I tried the code at:
    http://www.java2s.com/Code/Java/Swing-JFC/CreatingpopupmenuswithSwing.htm

The JTextField is shown, but the JPopupMenu not. What is wrong in the
code?

-- 
Cecil Westerhof
Senior Software Engineer
LinkedIn: http://www.linkedin.com/in/cecilwesterhof

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#31019

On 2/2/2015 2:29 PM, Cecil Westerhof wrote:
> I tried the code at:
>      http://www.java2s.com/Code/Java/Swing-JFC/CreatingpopupmenuswithSwing.htm
>
> The JTextField is shown, but the JPopupMenu not. What is wrong in the
> code?

     My guess is that the isPopupTrigger() method returns false, perhaps
because the system's/browser's UI doesn't report it as such.  In more
modern Java (the code is from a thirteen-year-old book ...) there's a
different, component-specific method: JPopupMenu.isPopupTrigger()
instead of MouseEvent.isPopupTrigger().

     It's also worth noting (probably not involved with your problem, but
one never knows) that the example constructs Swing components in code
that does not execute on the Event Dispatch Thread (EDT).  In technical
jargon, this is known as a "No-No."  See

http://docs.oracle.com/javase/tutorial/uiswing/concurrency/dispatch.html

-- 
esosman@comcast-dot-net.invalid
"Don't be afraid of work. Make work afraid of you." -- TLM

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#31020

On 2/2/2015 2:29 PM, Cecil Westerhof wrote:
> I tried the code at:
>      http://www.java2s.com/Code/Java/Swing-JFC/CreatingpopupmenuswithSwing.htm
>
> The JTextField is shown, but the JPopupMenu not. What is wrong in the
> code?

Here I get the popup menu fine as soon as I right click on the applet.

Arne

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#31021

Op Monday 2 Feb 2015 21:01 CET schreef Arne Vajhøj:

> On 2/2/2015 2:29 PM, Cecil Westerhof wrote:
>> I tried the code at:
>> http://www.java2s.com/Code/Java/Swing-JFC/CreatingpopupmenuswithSwing.htm
>>
>> The JTextField is shown, but the JPopupMenu not. What is wrong in
>> the code?
>
> Here I get the popup menu fine as soon as I right click on the
> applet.

I tried that and I get the same result. But that is not what I want. I
was using the wrong class. It looks like that with JComboBox I get
what I want.

-- 
Cecil Westerhof
Senior Software Engineer
LinkedIn: http://www.linkedin.com/in/cecilwesterhof

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#31053

On Mon, 02 Feb 2015 20:29:13 +0100, Cecil Westerhof <Cecil@decebal.nl>
wrote, quoted or indirectly quoted someone who said :

>
>The JTextField is shown, but the JPopupMenu not. What is wrong in the
>code?

I have not looked at your code, but a popup is not supposed to display
until you invoke the pop up function.  Perhaps you just wanted an
plain JMenu

see http://mindprod.com/jgloss/jmenu.html for sample code
-- 
Roedy Green Canadian Mind Products http://mindprod.com
To solve an interesting problem, start by finding a problem
that is interesting to you.
~ Eric S. Raymond (born: 1957-12-04 age: 57)

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#31107

Op Thursday 5 Feb 2015 22:34 CET schreef Roedy Green:

> On Mon, 02 Feb 2015 20:29:13 +0100, Cecil Westerhof
> <Cecil@decebal.nl> wrote, quoted or indirectly quoted someone who
> said :
>
>>
>> The JTextField is shown, but the JPopupMenu not. What is wrong in
>> the code?
>
> I have not looked at your code, but a popup is not supposed to
> display until you invoke the pop up function. Perhaps you just
> wanted an plain JMenu

JComboBox did what I wanted.

-- 
Cecil Westerhof
Senior Software Engineer
LinkedIn: http://www.linkedin.com/in/cecilwesterhof

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