Ad:

Java Discussion Thread
Unsolved
Views: 6433

Feb 8th, 2006

No able to set the jpanel positions

Expand Post »

Hi
I am not able to set the position of Jpanel, having a tough time.

Code is attached.
1. How can I reduce the gap between
To and textbox
Cc and textbox
etc
2. How can I reduce the vertical space between Send/Contact/Spell/.... and the row containing To with textbox
I read tutorial like
http://www.leepoint.net/notes-java/G...ridlayout.html
but no avail
Someone please help me
Thanks

Attached Files

EmailWindow2.java (10.3 KB, 22 views)

Similar Threads

Simpler Version of previous program in Java
wx.TextCtrl and setting a custom style in Python

javafan

Reputation Points: 10

Solved Threads: 0

Newbie Poster

Offline

10 posts
since Feb 2006

Permalink

Feb 9th, 2006

Re: No able to set the jpanel positions

the JVM determines component spacing and sizing at runtime. It's pretty much out of your hands.

jwenting

Team Colleague

Reputation Points: 1658

Solved Threads: 331

duckman

Offline

7,719 posts
since Nov 2004

Permalink

Feb 9th, 2006

Re: No able to set the jpanel positions

You mean to say I have no control over the display
Then how do I do this?

javafan

Reputation Points: 10

Solved Threads: 0

Newbie Poster

Offline

10 posts
since Feb 2006

Permalink

Feb 9th, 2006

Re: No able to set the jpanel positions

Quote originally posted by javafan ...

You mean to say I have no control over the display
Then how do I do this?

Jwenting just said "It's pretty much out of your hands."

I don't see what the problem is, how it looks is just pointless fluff. If it works it works. What more do you want.

iamthwee

Featured Poster

Reputation Points: 1536

Solved Threads: 431

Posting Expert

Offline

5,865 posts
since Aug 2005

Permalink

Feb 9th, 2006

Re: No able to set the jpanel positions

you have absolute control over the way the components are displayed in relation to each other.
You have very little control over how (what size and visual style) they're displayed at.

This is deliberate to enable the JVM to make it look decent on different operating systems that have different ways of doing things.
If you go and set that an input control is X pixels by Y pixels with a border of Z pixels that may look great on your Windows machine but completely crappy on a Mac or X terminal.
It may even be impossible to render there at all at that size.

jwenting

Team Colleague

Reputation Points: 1658

Solved Threads: 331

duckman

Offline

7,719 posts
since Nov 2004

Permalink

Feb 9th, 2006

Re: No able to set the jpanel positions

Greetings:
You could try with GridBagLayout, it allows you to control a little more the appereance by using weights for the spaces that the components use, something like this:

Java Syntax (Toggle Plain Text)
GridBagLayout gridbag = new GridBagLayout();
this.getContentPane().setLayout(gridbag);
GridBagConstraints c = new GridBagConstraints();
c.fill = GridBagConstraints.BOTH;
//to add components you just asign a grid position and a weight
g.gridx=0;c.gridy=0;c.weightx=2;c.weighty=0;this.getContentPane().add(component,c);
GridBagLayout gridbag = new GridBagLayout();
this.getContentPane().setLayout(gridbag);
GridBagConstraints c = new GridBagConstraints();
c.fill = GridBagConstraints.BOTH;
//to add components you just asign a grid position and a weight
g.gridx=0;c.gridy=0;c.weightx=2;c.weighty=0;this.getContentPane().add(component,c);

Here is the description of GridbagLayout from java.sun, http://java.sun.com/docs/books/tutor...t/gridbag.html

ROGENATOR

Reputation Points: 11

Solved Threads: 0

Newbie Poster

Offline

17 posts
since Sep 2005

Permalink

Feb 9th, 2006

Re: No able to set the jpanel positions

You could always set the layout to null and set the bounds, but I don't know if that's a good idea or not...... That is, if you are talking about positioning components.

server_crash

Reputation Points: 113

Solved Threads: 19

Postaholic

Offline

2,108 posts
since Jun 2004

Permalink

Feb 10th, 2006

Re: No able to set the jpanel positions

NullLayout is never recommended except on platforms where there is no other layout manager available (maybe some mobile platforms).

jwenting

Team Colleague

Reputation Points: 1658

Solved Threads: 331

duckman

Offline

7,719 posts
since Nov 2004

This thread is more than three months old

No one has posted to this discussion for at least three months. Please let old threads die and do not reply to them unless you feel you have something new and valuable to contribute that absolutely must be added to make the discussion complete. Otherwise, please start a new thread in this forum instead.

Previous Thread in Java Forum Timeline: Execute Java app question

Next Thread in Java Forum Timeline: java help for newbie

DaniWeb Message

Cancel Changes

User Name
Password