Re: how to use ToolTip' functions on a Graphics area?
Vinicius Pereira wrote:
Hello,
I'm having some difficulties in applying the ToolTips functions in a
graphic program in java.
I was trying to make my canvas inherit the functions of ToolTip, to
when the mouse move over the draw area, appear a "tip" on the side of
the mouse, showing a text.
I already try a lot of things and nothing sens to work, I'm thinking
in do it manually. But I prefer to use the ToolTip package.
The sites that I'm using are:
http://java.sun.com/docs/books/tutorial/uiswing/components/tooltip.html
http://java.sun.com/docs/books/tutorial/uiswing/components/table.html#celltooltip
http://help.eclipse.org/stable/index.jsp?topic=/org.eclipse.platform.doc.isv/reference/api/org/eclipse/jface/window/DefaultToolTip.html
This last one is perfect to what I want, because it controls when and
how the tip is show. But I'm can't implement it at all.
Can somebody send me a example where its implemented?
Or a link to a tutorial?
Or modify this code to show me how it's done:
import java.applet.Applet;
import java.awt.Graphics;
public class Teste01 extends Applet{
public void init(){
repaint();
}
public void paint(Graphics g){
g.drawRect(10, 10, 50, 50);
}
}
Thanks in advance.
Tooltips are built in to Swing components. Why don't you use a JApplet
and a JPanel instead of the Applet and Canvas?
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class test extends JApplet {
public void init() {
JPanel p = new JPanel();
p.setPreferredSize(new Dimension(100,75));
p.setBackground(Color.BLUE);
p.setToolTipText("My Blue JPanel");
add(p);
}
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
JFrame f = new JFrame();
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
test t = new test();
t.init();
f.add(t,BorderLayout.CENTER);
f.pack();
f.setVisible(true);
}
});
}
}
--
Knute Johnson
email s/nospam/knute2009/
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