Description simon Zhou 2010-07-05 02:13:41 EDT

Build Identifier: 200802251018

I use the content assist(org.eclipse.ui.fieldassist package) in JFace dialog, but in popup proposals dialog, I can not scroll the vertical scroll bar by mouse wheel. I tried different ways to implement the content assist and got the same result (The mouse wheel didn't work). BTW, I added the MouseWheel listener into popup proposal dialog and proposal table, they didn't receive the MouseWheel event either.

The following is the snippet.

import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.ui.fieldassist.*;

public MyDialog extends Dialog{
   .
   .
   .
   @Override
   protected Control createDialogArea(Composite parent) {
      GridLayout layout = new GridLayout();
      parent.setLayout(layout);
      
      // First way: ContentAssistCommandAdapter
      Text text1 = new Text(parent, SWT.NONE);
      ContentAssistCommandAdapter commandAdapter = new ContentAssistCommandAdapter(text1, new TextContentAdapter(), getProposalProvider(), ContentAssistCommandAdapter.CONTENT_PROPOSAL_COMMAND, null, true);
      commandAdapter2.setProposalAcceptanceStyle(ContentProposalAdapter.PROPOSAL_REPLACE);

      // Second way: ContentProposalAdapter
      Text text2 = new Text(parent, SWT.NONE);
      try {
          char[] autoActivationChars = new char[] { SWT.BS };
          ContentProposalAdapter contentProposalAdapter = new ContentProposalAdapter(text2, new TextContentAdapter(), getProposalProvider(), KeyStroke.getInstance("Ctrl+Space"), autoActivationChars);
          contentProposalAdapter.setProposalAcceptanceStyle(ContentProposalAdapter.PROPOSAL_REPLACE);
          contentProposalAdapter.setPropagateKeys(true);
        } catch (ParseException e) {
            e.printStackTrace();
            // do nothing
        } catch (Exception e) {
            e.printStackTrace();
        }

        // Third way: ContentAssistField
        ContentAssistField text3= new ContentAssistField(parent,
                SWT.SINGLE | SWT.BORDER,
                new TextControlCreator(),
                new TextContentAdapter(),
                getProposalProvider(),
                null,
                null);

        ContentAssistCommandAdapter commandAdapter = field.getContentAssistCommandAdapter();
        commandAdapter.setProposalAcceptanceStyle(ContentProposalAdapter.PROPOSAL_REPLACE);
        commandAdapter.setFilterStyle(ContentProposalAdapter.FILTER_NONE);
        commandAdapter.setPropagateKeys(true);
   }
   
   private IContentProposal getProposalProvider(){
      .
      .
      .
   }

}



Reproducible: Always

Steps to Reproduce:
1.Create JFace Dialog
2.Build a content assist field in dialog.
3.Give content assist field enough proposals to show the vertical scrall bar.
4.Scroll the mouse wheel.
5.Observe the proposal window scroll or not.