Attachment 279462 Details for Bug 549644 – ComboSnippet

ComboSnippet

SnippetComboDispose.java (text/x-java), 1.69 KB, created by Patrick Tasse

on 2019-07-31 10:22:14 EDT

(hide)

Description:

Filename:

MIME Type:

Creator: Patrick Tasse

Created: 2019-07-31 10:22:14 EDT

Size: 1.69 KB

patch

obsolete

>import org.eclipse.swt.SWT;
>import org.eclipse.swt.layout.FillLayout;
>import org.eclipse.swt.layout.GridData;
>import org.eclipse.swt.layout.GridLayout;
>import org.eclipse.swt.widgets.Combo;
>import org.eclipse.swt.widgets.Composite;
>import org.eclipse.swt.widgets.Display;
>import org.eclipse.swt.widgets.Shell;
>
>public class SnippetComboDispose {
>
>	private static final int NUM_ITERATIONS = 40;
>	private static final int NUM_WIDGETS = 1000;
>
>	public static void main(String[] args) {
>		Display display = new Display();
>		System.out.println("gtk version: " + System.getProperty("org.eclipse.swt.internal.gtk.version"));
>		System.out.println("SWT version: " + SWT.getVersion());
>		System.out.println();
>
>		for (int i = 1; i <= NUM_ITERATIONS; i++) {
>			Shell shell = new Shell(display);
>			shell.setLayout(new FillLayout());
>			Composite composite = new Composite(shell, SWT.NONE);
>			composite.setLayout(new GridLayout(40, false));
>			for (int k = 0; k < NUM_WIDGETS; k++) {
>				Combo combo = new Combo(composite, SWT.NONE);
>				combo.setLayout(new GridLayout());
>				combo.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false));
>				combo.add("A");
>				combo.add("B");
>				combo.add("C");
>				combo.select(0);
>			}
>			shell.pack();
>			shell.open();
>			while (display.readAndDispatch());
>			display.sleep();
>			long t1 = System.currentTimeMillis();
>			System.out.print(String.format("shell.dispose() for %s with %d %s [%d]...\t", shell, NUM_WIDGETS, Combo.class.getSimpleName(), i));
>			shell.dispose();
>			long t2 = System.currentTimeMillis();
>			System.out.print(String.format("%4d ms ", (t2-t1)));
>			for (int n = 0; n < (t2-t1); n+=100) {
>				System.out.print("=");
>			}
>			System.out.println();
>		}
>		display.dispose();
>	}
>}

Actions: View

Attachments on bug 549644: 279428 | 279462 | 279474