Attachment 287466 Details for Bug 577140 – Snippet

Snippet

SnippetToolbarResize.java (text/plain), 2.78 KB, created by Christoph Laeubrich

on 2021-11-09 07:29:55 EST

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Creator: Christoph Laeubrich

Created: 2021-11-09 07:29:55 EST

Size: 2.78 KB

patch

obsolete

>package toolbar;
>
>import java.util.Arrays;
>
>import org.eclipse.swt.SWT;
>import org.eclipse.swt.events.SelectionEvent;
>import org.eclipse.swt.events.SelectionListener;
>import org.eclipse.swt.layout.GridData;
>import org.eclipse.swt.layout.GridLayout;
>import org.eclipse.swt.widgets.Combo;
>import org.eclipse.swt.widgets.Display;
>import org.eclipse.swt.widgets.Shell;
>import org.eclipse.swt.widgets.Text;
>import org.eclipse.swt.widgets.ToolBar;
>import org.eclipse.swt.widgets.ToolItem;
>
>public class SnippetToolbarResize {
>
>	public static boolean forceLayout = false;
>	private static boolean useAsyncRequest = false;
>
>	public static void main(String[] args) {
>		Display display = new Display();
>		Shell shell = new Shell(display);
>		shell.setText("Toolbar with dynamic content");
>		ToolBar bar = new ToolBar(shell, SWT.WRAP | SWT.FLAT);
>		shell.setLayout(new GridLayout());
>		bar.setBackground(display.getSystemColor(SWT.COLOR_RED));
>		Text text = new Text(shell, SWT.WRAP);
>		text.setLayoutData(new GridData(GridData.FILL_BOTH));
>		text.setText("You can type some text here and add it to the combobox");
>		ToolItem item = new ToolItem(bar, 0);
>		item.setText("Add Text");
>		ToolItem sep = new ToolItem(bar, SWT.SEPARATOR);
>		Combo combo = new Combo(bar, SWT.READ_ONLY);
>		sep.setWidth(100);
>		sep.setControl(combo);
>		ToolItem otheritem = new ToolItem(bar, 0);
>		otheritem.setText("Click here");
>		otheritem.addSelectionListener(new SelectionListener() {
>
>			@Override
>			public void widgetSelected(SelectionEvent e) {
>				item.setText("You should really click here!");
>				forceLayout(bar);
>			}
>
>			@Override
>			public void widgetDefaultSelected(SelectionEvent e) {
>
>			}
>		});
>		item.addSelectionListener(new SelectionListener() {
>
>			@Override
>			public void widgetSelected(SelectionEvent e) {
>				combo.add(text.getText());
>				int width = Arrays.stream(combo.getItems()).mapToInt(String::length).max().orElse(10) * 10;
>				sep.setWidth(width);
>				forceLayout(bar);
>			}
>
>			@Override
>			public void widgetDefaultSelected(SelectionEvent e) {
>
>			}
>		});
>		shell.setSize(400, 400);
>		shell.open();
>		while (!shell.isDisposed()) {
>			if (!display.readAndDispatch())
>				display.sleep();
>		}
>		display.dispose();
>	}
>
>	private static void forceLayout(ToolBar bar) {
>		// There are two problems here:
>		if (forceLayout) {
>			// 1) I don't really want to manually call *any* layout method and would assume
>			// this is done automatic by the Toolbar(Item)
>			if (useAsyncRequest) {
>				// 2) calling bar.requestLayout() works ,
>				bar.requestLayout();
>			} else {
>				// but calling
>				// bar.layout(true, true);
>				// or
>				// bar.layout(true);
>				// does not work
>				bar.layout();
>				bar.layout(true);
>				bar.layout(true, true);
>			}
>		}
>	}
>}

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Attachments on bug 577140: 287466