Mega Code Archive
Demonstrates mouse events
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//Send questions, comments, bug reports, etc. to the authors:
//Rob Warner (rwarner@interspatial.com)
//Robert Harris (rbrt_harris@yahoo.com)
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;
/**
* This class demonstrates mouse events
*/
public class MouseEventExample implements MouseListener, MouseMoveListener,
MouseTrackListener {
// The label to hold the messages from mouse events
Label myLabel = null;
/**
* MouseEventExample constructor
*
* @param shell the shell
*/
public MouseEventExample(Shell shell) {
myLabel = new Label(shell, SWT.BORDER);
myLabel.setText("I ain't afraid of any old mouse");
shell.addMouseListener(this);
shell.addMouseMoveListener(this);
shell.addMouseTrackListener(this);
}
/**
* The application entry point
*
* @param args the command line arguments
*/
public static void main(String[] args) {
// Create the window
Display display = new Display();
Shell shell = new Shell(display);
shell.setLayout(new GridLayout());
shell.setSize(450, 200);
shell.setText("Mouse Event Example");
// Create the listener
MouseEventExample myMouseEventExample = new MouseEventExample(shell);
// Display the window
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) {
display.sleep();
}
}
display.dispose();
}
/**
* Called when user double-clicks the mouse
*/
public void mouseDoubleClick(MouseEvent e) {
myLabel.setText("Double Click " + e.button + " at: " + e.x + "," + e.y);
}
/**
* Called when user clicks the mouse
*/
public void mouseDown(MouseEvent e) {
myLabel.setText("Button " + e.button + " Down at: " + e.x + "," + e.y);
}
/**
* Called when user releases the mouse after clicking
*/
public void mouseUp(MouseEvent e) {
myLabel.setText("Button " + e.button + " Up at: " + e.x + "," + e.y);
}
/**
* Called when user moves the mouse
*/
public void mouseMove(MouseEvent e) {
myLabel.setText("Mouse Move at: " + e.x + "," + e.y);
}
/**
* Called when user enters the shell with the mouse
*/
public void mouseEnter(MouseEvent e) {
myLabel.setText("Mouse Enter at: " + e.x + "," + e.y);
}
/**
* Called when user exits the shell with the mouse
*/
public void mouseExit(MouseEvent e) {
myLabel.setText("Mouse Exit at: " + e.x + "," + e.y);
}
/**
* Called when user hovers the mouse
*/
public void mouseHover(MouseEvent e) {
myLabel.setText("Mouse Hover at: " + e.x + "," + e.y);
}
}
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