Cursor: create a color cursor from an image file
/*
* Cursor example snippet: create a color cursor from an image file
*
* For a list of all SWT example snippets see
* http://dev.eclipse.org/viewcvs/index.cgi/%7Echeckout%7E/platform-swt-home/dev.html#snippets
*/
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Cursor;
import org.eclipse.swt.graphics.ImageData;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;
public class Snippet118 {
public static void main(String[] args) {
final Display display = new Display();
final Shell shell = new Shell(display);
shell.setSize(150, 150);
final Cursor[] cursor = new Cursor[1];
Button button = new Button(shell, SWT.PUSH);
button.setText("Change cursor");
Point size = button.computeSize(SWT.DEFAULT, SWT.DEFAULT);
button.setSize(size);
button.addListener(SWT.Selection, new Listener() {
public void handleEvent(Event e) {
FileDialog dialog = new FileDialog(shell);
dialog.setFilterExtensions(new String[] { "*.ico", "*.gif",
"*.*" });
String name = dialog.open();
if (name == null)
return;
ImageData image = new ImageData(name);
Cursor oldCursor = cursor[0];
cursor[0] = new Cursor(display, image, 0, 0);
shell.setCursor(cursor[0]);
if (oldCursor != null)
oldCursor.dispose();
}
});
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
if (cursor[0] != null)
cursor[0].dispose();
display.dispose();
}
}
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