Key and mouse event

Hi all,
anybody please tel me how can i access key and mouse events.here i don't have any GUI application.
thanks in advance
pradeep

If you don't have a GUI application then no events will be generated.
Or do you mean "GUI experience?" A quick google would have found you these:
http://java.sun.com/docs/books/tutorial/uiswing/events/mouselistener.html
http://java.sun.com/docs/books/tutorial/uiswing/events/keylistener.html

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Capture key and mouse event

Hi,
What I want to do is..
when users click on a item such as text item and press the 'Ctrl' key, a message will
appear.
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Thanks.
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Duplicate thread. Please see the other one at:
<p>capture key and mouse event

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If I pair a Bluetooth keyboard K810 and mouse T630 at the same time, with Wifi On, the keyboard starts repeating the keys and the mouse starts to stutter. Especially if WiFi is under load (when downloading something).
This doesn’t happens if I pair only the keyboard, or if I pair mouse and keyboard with Wifi OFF.
If I pair a Bluetooth keyboard and use a USB mouse with Wifi ON, everything works fine.
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Go to Solution.

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Best regards, jC
Broadcom manual:
Bluetooth Collaboration
Bluetooth Collaboration enables general purpose input/output transmit suppression protocol between the IEEE 802.11 media access control (MAC) and an external Bluetooth chip to minimize transmit interference. Bluetooth Collaboration is enabled by default.

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Hi,
It is worth doing Speed check at both ends
http://www.speedtest.net/
It may also pay to open the Connection Doctor (Video Menu) during a Audio or Video chat and checking the Bit rate and Framerate (on Video).
iChat in 1-1 Video needs "Real World" speed of 256kbps (it will manage according to Apple at 128kbps).
This Min of 128kbps is the min for Screen Sharing as well.
The Connection Doctor will show you what iChat is using (your Bit rate) NOT what the Internet Speed is measured at.
It will be closer to the Upload Speed you have.
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It will drop Audio (As far as you as concerned) as it will start dropping frames to smooth the video out.
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With both ends at 500kbps you can be below the Variance factor.
Try 200kbps if there still appear to be problems.
NOTE:-
iChat's responses are determined by the Internet Speed (Or at least the portion that computer is getting = Bandwidth) and what else the computer is doing.
Depending on the Mac and it's Processor and the apps running at the time iChat may not get a decent use of the Processor. (It is set to use it "last" a it were so Downloading, Playing Video elsewhere, or setting background tasks (Anit Virus scans, iMovie Rendering) may impinge on free Processor cycles).
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<
9:19 PM Tuesday; July 19, 2011
Please, if posting Logs, do not post any Log info after the line "Binary Images for iChat"
 G4/1GhzDual MDD (Leopard 10.5.8)
 MacBookPro 2Gb( 10.6.8)
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Helpful?

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Thanks.
In order to replicate the exact scenario, I have modified Sun's tutorial ScrollDemo2.java
* This code is based on an example provided by John Vella,
* a tutorial reader.
import javax.swing.*;
import javax.swing.event.MouseInputAdapter;
import java.awt.*;
import java.awt.event.*;
import java.util.*;
public class ScrollDemo2 extends JPanel {
private Dimension size; // indicates size taken up by graphics
private Vector objects; // rectangular coordinates used to draw graphics
private final Color colors[] = {
Color.red, Color.blue, Color.green, Color.orange,
Color.cyan, Color.magenta, Color.darkGray, Color.yellow};
private final int color_n = colors.length;
JPanel drawingArea;
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setOpaque(true);
size = new Dimension(0,0);
objects = new Vector();
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JLabel instructionsRight = new JLabel(
"Click right mouse button to clear drawing area.");
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instructionPanel.add(instructionsRight);
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MyScrollPane(JPanel drawingArea)
super(drawingArea);
public void grabFocus()
super.grabFocus();
public void requestFocus()
super.requestFocus();
protected void processFocusEvent(FocusEvent e)
if ( e.getID() == FocusEvent.FOCUS_GAINED )
int i = 0;
else
if( e.getID() == FocusEvent.FOCUS_LOST )
int i = 0;
super.processFocusEvent(e);
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drawingArea = new JPanel() {
protected void paintComponent(Graphics g) {
super.paintComponent(g);
Rectangle rect;
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rect = (Rectangle)objects.elementAt(i);
g.setColor(colors[(i % color_n)]);
g.fillOval(rect.x, rect.y, rect.width, rect.height);
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protected void processMouseEvent(MouseEvent pEvent)
if(pEvent.getID() == pEvent.MOUSE_PRESSED)
super.processMouseEvent(pEvent);
else
super.processMouseEvent(pEvent);
drawingArea.setBackground(Color.LIGHT_GRAY);
addMouseListener(new MyMouseListener());
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JScrollPane scroller = new MyScrollPane(drawingArea);
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setLayout(new BorderLayout());
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//If the above line is commented and the line bellow will be uncommented it works.
//add(drawingArea, BorderLayout.CENTER);
protected void processMouseEvent(MouseEvent pEvent)
if(pEvent.getID() == pEvent.MOUSE_PRESSED)
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else
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final int W = 100;
final int H = 100;
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boolean changed = false;
if (SwingUtilities.isRightMouseButton(e)) {
// This will clear the graphic objects.
objects.removeAllElements();
size.width=0;
size.height=0;
changed = true;
} else {
int x = e.getX() - W/2;
int y = e.getY() - H/2;
if (x < 0) x = 0;
if (y < 0) y = 0;
Rectangle rect = new Rectangle(x, y, W, H);
objects.addElement(rect);
drawingArea.scrollRectToVisible(rect);
int this_width = (x + W + 2);
if (this_width > size.width)
{size.width = this_width; changed=true;}
int this_height = (y + H + 2);
if (this_height > size.height)
{size.height = this_height; changed=true;}
if (changed) {
//Update client's preferred size because
//the area taken up by the graphics has
//gotten larger or smaller (if cleared).
drawingArea.setPreferredSize(size);
//Let the scroll pane know to update itself
//and its scrollbars.
drawingArea.revalidate();
drawingArea.repaint();
public static void main (String args[]) {
JFrame frame = new JFrame("ScrollDemo2");
frame.addWindowListener(new WindowAdapter() {
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frame.setContentPane(new ScrollDemo2());
frame.pack();
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I tried it . It didn't work.
Thanks for the suggestionI've got it... I know that inside the paitComponet method you can't call setSize() in jdk1.4, but you could in previous versions... that has caused al lot of problems to me...
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Hello!
I'm paralyzed from the neck
down and type with a stick I hold by mouth
(mouthstick/typing wand).
A solution that works well is a HeadMouse from AssistiveWare, seen used by a tetraplegic artist.
I assume sticky keys works the same on OS X as on
WinXP (one press of a modifier key holds until the
combo key/s are press) but will pressing a modifier
key twice lock it until the modifier key is pressed
again?
Yes, it does.
One thing I've never been able to do is use the Fn
key combinations because stickykeys on WinXP doesn't
hold the Fn key for combinations. Does sticky keys on
OS X hold or lock the Fn key like the modifier keys?
Yes, it does.
As for mousekeys on OS X, pressing the "Option" five
times everytime I need to move/click the pointer then
five more times is a bit much (thats why I use the
trackstick/mouse combo rather than mousekeys on
WinXP). Is there a quicker way? If sticky keys treats
the FN key like a modifier key on OS X to press twice
to lock it and once to unlock it that would be a
great alternative.
That's one solution. Another is to use VoiceOver to navigate; you can lock the option and ctrl keys so that all VO commands are performed with single key presses, since Sticky Keys will hold the shift or cmd keys.
Yet another is a cheek switch as used by Marie-France Bru. No doubt there are plenty of other adaptations you could try, but those are the ones I know about.
HTH
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Hello,
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(You can see screen shot of this page with (Mapplet View as screen name)
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Key and mouse event

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