Implementation of watchpoints.

debug/org.eclipse.cdt.debug.ui/plugin.properties

@@ -21,4 +21,4 @@ EnableBreakpoint.label=T&oggle Breakpoint
 BreakpointProperties.label=Breakpoint P&roperties...
 ManageBreakpointAction.label=Add/Remove C/C++ Brea&kpoint
 BreakpointPropertiesAction.label=P&roperties...
-ManageWatchpointAction.label=Add/Remove C/C++ &Watchpoint
+ManageWatchpointAction.label=Add C/C++ &Watchpoint

debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/CDebugImages.java

@@ -48,6 +48,8 @@ public class CDebugImages
 	 */	
 	public static final String IMG_OBJS_BREAKPOINT_INSTALLED = NAME_PREFIX + "installed_ovr.gif"; //$NON-NLS-1$
 	public static final String IMG_OBJS_BREAKPOINT_INSTALLED_DISABLED = NAME_PREFIX + "installed_ovr_disabled.gif"; //$NON-NLS-1$
+	public static final String IMG_OBJS_WATCHPOINT_ENABLED = NAME_PREFIX + "readwrite_obj.gif";	//$NON-NLS-1$
+	public static final String IMG_OBJS_WATCHPOINT_DISABLED = NAME_PREFIX + "readwrite_obj_disabled.gif";	//$NON-NLS-1$
 
 	/*
 	 * Set of predefined Image Descriptors.
@@ -63,6 +65,8 @@ public class CDebugImages
 
 	public static final ImageDescriptor DESC_OBJS_BREAKPOINT_INSTALLED = createManaged( T_OVR, IMG_OBJS_BREAKPOINT_INSTALLED );
 	public static final ImageDescriptor DESC_OBJS_BREAKPOINT_INSTALLED_DISABLED = createManaged( T_OVR, IMG_OBJS_BREAKPOINT_INSTALLED_DISABLED );
+	public static final ImageDescriptor DESC_OBJS_WATCHPOINT_ENABLED = createManaged( T_OBJ, IMG_OBJS_WATCHPOINT_ENABLED );
+	public static final ImageDescriptor DESC_OBJS_WATCHPOINT_DISABLED = createManaged( T_OBJ, IMG_OBJS_WATCHPOINT_DISABLED );
 
 	/**
 	 * Returns the image managed under the given key in this registry.

debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/actions/AddWatchpointDialog.java

@@ -0,0 +1,177 @@
+/*
+ *(c) Copyright QNX Software Systems Ltd. 2002.
+ * All Rights Reserved.
+ * 
+ */
+package org.eclipse.cdt.debug.internal.ui.actions;
+
+import org.eclipse.cdt.debug.internal.ui.CDebugImages;
+import org.eclipse.jface.dialogs.Dialog;
+import org.eclipse.jface.dialogs.IDialogConstants;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.ModifyEvent;
+import org.eclipse.swt.events.ModifyListener;
+import org.eclipse.swt.events.SelectionAdapter;
+import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Button;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Group;
+import org.eclipse.swt.widgets.Label;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.swt.widgets.Text;
+
+/**
+ * 
+ * Enter type comment.
+ * 
+ * @since Sep 4, 2002
+ */
+public class AddWatchpointDialog extends Dialog
+{
+	private Button fBtnOk = null;
+	private Button fBtnCancel = null;
+	private Text fTextExpression;
+	private Button fChkBtnWrite;
+	private Button fChkBtnRead;
+	
+	private boolean fWrite = true;
+	private boolean fRead = false;
+	private String fExpression = "";
+
+	/**
+	 * Constructor for AddWatchpointDialog.
+	 * @param parentShell
+	 */
+	public AddWatchpointDialog( Shell parentShell )
+	{
+		super( parentShell );
+	}
+
+	protected void configureShell( Shell shell ) 
+	{
+		super.configureShell( shell );
+		shell.setText( "Add C/C++ Watchpoint" );
+		shell.setImage( CDebugImages.get( CDebugImages.IMG_OBJS_WATCHPOINT_ENABLED ) );
+	}
+
+	protected Control createContents( Composite parent ) 
+	{
+		Control control = super.createContents( parent );
+		setOkButtonState();
+		return control;
+	}
+
+	protected Control createDialogArea( Composite parent )
+	{
+		Composite composite = new Composite( parent, SWT.NONE );
+		composite.setLayout( new GridLayout() );
+		((GridLayout)composite.getLayout()).marginWidth = 10;
+		composite.setLayoutData( new GridData( GridData.FILL_BOTH  ) );
+		createDataWidgets( composite );
+		initializeDataWidgets();
+		return composite;
+	}
+	
+	protected void createButtonsForButtonBar( Composite parent ) 
+	{
+		fBtnOk = createButton( parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true );
+		fBtnCancel = createButton( parent, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, false );
+	}
+
+	private void createDataWidgets( Composite parent ) 
+	{
+		fTextExpression	= createExpressionText( parent );
+		createAccessWidgets( parent );
+	}
+
+	private void initializeDataWidgets()
+	{
+		fTextExpression.setText( "" );
+		fChkBtnRead.setSelection( false );
+		fChkBtnWrite.setSelection( true );
+		setOkButtonState();
+	}
+
+	private Text createExpressionText( Composite parent )
+	{
+		Label label = new Label( parent, SWT.RIGHT );
+		label.setText( "Expression to watch:" );	
+		final Text text = new Text( parent, SWT.BORDER );
+		GridData gridData = new GridData( GridData.FILL_HORIZONTAL );
+		gridData.widthHint = 300;
+		text.setLayoutData( gridData );
+		addModifyListener( text ); 
+		return text;
+	}
+
+	private void createAccessWidgets( Composite parent )
+	{
+		Group group = new Group( parent, SWT.NONE );
+		group.setLayout( new GridLayout() );
+		group.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
+		group.setText( "Access" );
+		fChkBtnWrite = new Button( group, SWT.CHECK );
+		fChkBtnWrite.setText( "Write" );
+        addSelectionListener( fChkBtnWrite );
+		fChkBtnRead = new Button( group, SWT.CHECK );
+		fChkBtnRead.setText( "Read" );
+        addSelectionListener( fChkBtnRead );
+	}
+
+	private void addSelectionListener( Button button )
+	{
+        button.addSelectionListener(
+        			new SelectionAdapter() 
+        				{
+							public void widgetSelected( SelectionEvent e ) 
+							{
+								setOkButtonState();
+							}
+        				} );
+	}
+
+	private void setOkButtonState()
+	{
+		if ( fBtnOk == null )
+			return;
+		fBtnOk.setEnabled( (fChkBtnRead.getSelection() || fChkBtnWrite.getSelection()) &&
+							fTextExpression.getText().trim().length() > 0 );
+	}
+
+	private void storeData()
+	{
+		fExpression = fTextExpression.getText().trim();
+		fRead = fChkBtnRead.getSelection();
+		fWrite = fChkBtnWrite.getSelection();
+	}
+
+	private void addModifyListener( Text text )
+	{
+		text.addModifyListener( 
+					new ModifyListener() 
+						{
+							public void modifyText( ModifyEvent e )
+							{
+								setOkButtonState();
+							}
+						} );
+	}
+	
+	public String getExpression()
+	{
+		return fExpression;
+	}
+	
+	public boolean getWriteAccess()
+	{
+		return fWrite;
+	}
+	
+	public boolean getReadAccess()
+	{
+		return fRead;
+	}
+}

debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/actions/ManageWatchpointActionDelegate.java

@@ -5,7 +5,9 @@
  */
 package org.eclipse.cdt.debug.internal.ui.actions;
 
+import org.eclipse.cdt.debug.ui.CDebugUIPlugin;
 import org.eclipse.jface.action.IAction;
+import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.jface.viewers.ISelection;
 import org.eclipse.ui.IPartListener;
 import org.eclipse.ui.IWorkbenchPart;
@@ -84,6 +86,8 @@ public class ManageWatchpointActionDelegate implements IWorkbenchWindowActionDel
 	 */
 	public void run( IAction action )
 	{
+		Dialog dlg = new AddWatchpointDialog( CDebugUIPlugin.getActiveWorkbenchShell() );
+		dlg.open();
 	}
 
 	/* (non-Javadoc)