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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.graphics.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;
/**
* This class displays information about the display device.
*/
public class ShowDevice {
/**
* Runs the application
*/
public void run() {
Display display = new Display();
Shell shell = new Shell(display);
shell.setText("Display Device");
createContents(shell);
shell.pack();
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) {
display.sleep();
}
}
display.dispose();
}
/**
* Creates the main window's contents
*
* @param shell the main window
*/
private void createContents(Shell shell) {
shell.setLayout(new FillLayout());
// Create a text box to hold the data
Text text = new Text(shell, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);
// Get the display device
Device device = shell.getDisplay();
// Put its data into a buffer
StringBuffer buf = new StringBuffer();
buf.append("getBounds(): ").append(device.getBounds()).append("\n");
buf.append("getClientArea(): ").append(device.getClientArea()).append("\n");
buf.append("getDepth(): ").append(device.getDepth()).append("\n");
buf.append("getDPI(): ").append(device.getDPI()).append("\n");
// By setting warnings to true and then getting warnings, we know if the
// current platform supports it
device.setWarnings(true);
buf.append("Warnings supported: ").append(device.getWarnings()).append("\n");
// Put the collected information into the text box
text.setText(buf.toString());
}
/**
* The application entry point
*
* @param args the command line arguments
*/
public static void main(String[] args) {
new ShowDevice().run();
}
}
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