strange JTextField behavior

[frag]

Hi!

There is a strange thing with the JTextFields I use in my application. Let's say there is a textfield that was created like that:

private JTextField myTextField = new JTextField(20);

Running the application on different systems I get different results in the layout. With Windows 2000 the field is bigger than 20 (around 30) and in a solaris environment there is only room for about 19 characters. Can this be fixed in order to have the same size on both environments? I have the same problem with JTextArea!

Cheers

frag

patrick.metz@epost.de

 

[GreatSeaSpider]

hi frag,

are you using a layout manager??

 

[frag]

I am using GridBagLayout... or are you talking of the UIManager? I have not set any look and feel, I am just using the default one.

patrick.metz@epost.de

 

[GreatSeaSpider]

ok if u use the gridbag constrains you should be able to force the text box to appear at a specified size, this should then work across any platform with a java virtual machine on, theoretically anyways!

if u are not sure about using gridbag have a look here:

http://java.sun.com/docs/books/tutorial/uiswing/layout/gridbag.html

Hope this is some use

Pete

 

[hologram]

The nr of columns you enter in the constructor of the JTextField is used to calculate the preferred width. The preferred width = the number of columns multiplied by the width of the letter m in the font selected into the text field. So maybe you have to look to the font...

 

[frag]

Hm... I just can't figure out how to change the font and its size in a JTextField. Is that possible at all?

patrick.metz@epost.de

 

[hologram]

To set the font use :

myTextField.setFont(...)

 

[frag]

hologram,

my problem is not the method setFont(...) my problem is the method's parameter. It's the class 'Font' that I don't understand... but I will keep on trying

patrick.metz@epost.de

 

[GreatSeaSpider]

try this way:

call the setFont method with a new font:

textfield.setFont( new Font(String name, int style, int size);

see

http://java.sun.com/j2se/1.4.1/docs/api/java/awt/Font.html

for more info,

(yes i know i like the sun site too much!)

Pete

 

[frag]

The sun site is my second home... but I always find it very hard to find the right information. Anyway I figured it out on my own in the meantime.

Thank you all very much... even if I have not really solved my column problem for the text field length yet. But I don't care any longer. ;-)

patrick.metz@epost.de