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Bugzilla – Attachment 221074 Details for
Bug 389587
Combo has no event for user-mutation of text (but not selections from drop-down)
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Code demonstrating the problem
ComboTest.java (text/x-java), 2.57 KB, created by
David North
on 2012-09-14 05:34:45 EDT
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Description:
Code demonstrating the problem
Filename:
MIME Type:
Creator:
David North
Created:
2012-09-14 05:34:45 EDT
Size:
2.57 KB
patch
obsolete
>package com.corefiling.eclipse.property.impl; > >import org.eclipse.jface.viewers.ArrayContentProvider; >import org.eclipse.jface.viewers.ComboViewer; >import org.eclipse.jface.viewers.ISelectionChangedListener; >import org.eclipse.jface.viewers.LabelProvider; >import org.eclipse.jface.viewers.SelectionChangedEvent; >import org.eclipse.swt.SWT; >import org.eclipse.swt.events.MenuDetectEvent; >import org.eclipse.swt.events.MenuDetectListener; >import org.eclipse.swt.layout.GridLayout; >import org.eclipse.swt.widgets.Display; >import org.eclipse.swt.widgets.Event; >import org.eclipse.swt.widgets.Listener; >import org.eclipse.swt.widgets.Shell; > >public class ComboTest { > > private static boolean _treatNextModifyAsTextualEdit = false; > > private static ComboViewer createViewer(final Shell shell) { > final ComboViewer v = new ComboViewer(shell, SWT.DROP_DOWN); > v.setLabelProvider(new LabelProvider()); > v.setContentProvider(new ArrayContentProvider()); > v.setInput(new String[]{"value 1", "value 2"}); > return v; > } > > public static void main(final String[] args) { > Display display = new Display(); Shell shell = new Shell(display); shell.setSize(200, 60); shell.setLayout(new GridLayout()); > > final ComboViewer v = createViewer(shell); > > // This wires up the userSelectedSomething method correctly > v.addSelectionChangedListener(new ISelectionChangedListener() { > @Override > public void selectionChanged(final SelectionChangedEvent event) { > userSelectedSomething(); > } > }); > > v.getCombo().addListener(SWT.KeyUp, new Listener() { > @Override > public void handleEvent(final Event e) { > userTypedOrOtherwiseEditedText(); > } > }); > > v.getCombo().addListener(SWT.Modify, new Listener() { > @Override > public void handleEvent(final Event event) { > try { > if (_treatNextModifyAsTextualEdit) { > userTypedOrOtherwiseEditedText(); > } > } > finally { > _treatNextModifyAsTextualEdit = false; > } > } > }); > > v.getCombo().addMenuDetectListener(new MenuDetectListener() { > @Override > public void menuDetected(final MenuDetectEvent e) { > _treatNextModifyAsTextualEdit = true; > } > }); > > shell.open(); > while (!shell.isDisposed()) { > if (!display.readAndDispatch()) { > display.sleep(); > } > } > display.dispose(); > } > > public static void userSelectedSomething() { > System.err.println("User selected something"); > } > > public static void userTypedOrOtherwiseEditedText() { > System.err.println("User typed something"); > } > >}
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bug 389587
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