Fix for 194312: Hover Background Color

core/org.eclipse.cdt.ui/plugin.xml

@@ -572,8 +572,8 @@
                contentTypeId="org.eclipse.cdt.core.binaryFile">
          </contentTypeBinding>
       </editor>
-      
    </extension>
+
    <extension
        point="org.eclipse.ui.themes">
        <themeElementCategory label="%CPresentation.label" id="org.eclipse.cdt.ui.presentation"/>
@@ -614,8 +614,51 @@
             %asmCompareFontDefiniton.description
          </description>
       </fontDefinition>
-      
+      <colorDefinition
+         id="org.eclipse.cdt.ui.content_assist_proposals_background"
+         isEditable="false"
+         label="%Dummy.label"
+         value="255,255,255">
+      </colorDefinition>
+      <colorDefinition
+         id="org.eclipse.cdt.ui.content_assist_proposals_foreground"
+         isEditable="false"
+         label="%Dummy.label"
+         value="0,0,0">
+      </colorDefinition>
+      <colorDefinition
+         id="org.eclipse.cdt.ui.content_assist_parameters_background"
+         isEditable="false"
+         label="%Dummy.label"
+         value="255,255,255">
+      </colorDefinition>
+      <colorDefinition
+         id="org.eclipse.cdt.ui.content_assist_parameters_foreground"
+         isEditable="false"
+         label="%Dummy.label"
+         value="0,0,0">
+      </colorDefinition>
+      <theme
+         id="org.eclipse.ui.ide.systemDefault">
+         <colorOverride
+            id="org.eclipse.cdt.ui.content_assist_proposals_background"
+            value="COLOR_LIST_BACKGROUND">
+         </colorOverride>
+         <colorOverride
+            id="org.eclipse.cdt.ui.content_assist_proposals_foreground"
+            value="COLOR_LIST_FOREGROUND">
+         </colorOverride>
+         <colorOverride
+            id="org.eclipse.cdt.ui.content_assist_parameters_background"
+            value="COLOR_LIST_BACKGROUND">
+         </colorOverride>
+         <colorOverride
+            id="org.eclipse.cdt.ui.content_assist_parameters_foreground"
+            value="COLOR_LIST_FOREGROUND">
+         </colorOverride>
+      </theme>
    </extension>
+
    <extension
          point="org.eclipse.ui.preferencePages">
       <page

core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/ICThemeConstants.java

@@ -29,4 +29,15 @@ public interface ICThemeConstants {
 	 * A theme constant that holds the foreground color used in the code assist selection dialog.
 	 */
 	public final String CODEASSIST_PROPOSALS_FOREGROUND= ID_PREFIX + PreferenceConstants.CODEASSIST_PROPOSALS_FOREGROUND;
+
+	/**
+	 * A theme constant that holds the background color used for parameter hints.
+	 */
+	public final String CODEASSIST_PARAMETERS_BACKGROUND= ID_PREFIX + PreferenceConstants.CODEASSIST_PARAMETERS_BACKGROUND;
+
+	/**
+	 * A theme constant that holds the foreground color used for parameter hints.
+	 */
+	public final String CODEASSIST_PARAMETERS_FOREGROUND= ID_PREFIX + PreferenceConstants.CODEASSIST_PARAMETERS_FOREGROUND;
+
 }

core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/preferences/CEditorPreferencePage.java

@@ -54,6 +54,7 @@ public class CEditorPreferencePage extends AbstractPreferencePage implements IWo
 			{PreferencesMessages.CEditorPreferencePage_ContentAssistPage_completionProposalForegroundColor, ContentAssistPreference.PROPOSALS_FOREGROUND, null },
 			{PreferencesMessages.CEditorPreferencePage_ContentAssistPage_parameterBackgroundColor, ContentAssistPreference.PARAMETERS_BACKGROUND, null },
 			{PreferencesMessages.CEditorPreferencePage_ContentAssistPage_parameterForegroundColor, ContentAssistPreference.PARAMETERS_FOREGROUND, null },
+			{PreferencesMessages.CEditorPreferencePage_sourceHoverBackgroundColor, PreferenceConstants.EDITOR_SOURCE_HOVER_BACKGROUND_COLOR, PreferenceConstants.EDITOR_SOURCE_HOVER_BACKGROUND_COLOR_SYSTEM_DEFAULT},
 	};
 
 	private List fAppearanceColorList;
@@ -78,6 +79,8 @@ public class CEditorPreferencePage extends AbstractPreferencePage implements IWo
 		overlayKeys.add(new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.STRING, ContentAssistPreference.PROPOSALS_FOREGROUND));
 		overlayKeys.add(new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.STRING, ContentAssistPreference.PARAMETERS_BACKGROUND));
 		overlayKeys.add(new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.STRING, ContentAssistPreference.PARAMETERS_FOREGROUND));
+		overlayKeys.add(new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.STRING, PreferenceConstants.EDITOR_SOURCE_HOVER_BACKGROUND_COLOR));
+		overlayKeys.add(new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.BOOLEAN, PreferenceConstants.EDITOR_SOURCE_HOVER_BACKGROUND_COLOR_SYSTEM_DEFAULT));
 
         OverlayPreferenceStore.OverlayKey[] keys = new OverlayPreferenceStore.OverlayKey[overlayKeys.size()];
 		overlayKeys.toArray(keys);
@@ -92,11 +95,6 @@ public class CEditorPreferencePage extends AbstractPreferencePage implements IWo
 
 		store.setDefault(CEditor.INACTIVE_CODE_ENABLE, true);
 		PreferenceConverter.setDefault(store, CEditor.INACTIVE_CODE_COLOR, new RGB(224, 224, 224));
-
-		PreferenceConverter.setDefault(store, ContentAssistPreference.PROPOSALS_BACKGROUND, new RGB(254, 241, 233));
-		PreferenceConverter.setDefault(store, ContentAssistPreference.PROPOSALS_FOREGROUND, new RGB(0, 0, 0));
-		PreferenceConverter.setDefault(store, ContentAssistPreference.PARAMETERS_BACKGROUND, new RGB(254, 241, 233));
-		PreferenceConverter.setDefault(store, ContentAssistPreference.PARAMETERS_FOREGROUND, new RGB(0, 0, 0));
 	}
 
 	/*
@@ -266,7 +264,6 @@ public class CEditorPreferencePage extends AbstractPreferencePage implements IWo
 	 * @see PreferencePage#createContents(Composite)
 	 */
 	protected Control createContents(Composite parent) {
-
 		fOverlayStore.load();
 		fOverlayStore.start();
 
@@ -280,8 +277,8 @@ public class CEditorPreferencePage extends AbstractPreferencePage implements IWo
 	}
 
 	private void initialize() {
-
 		initializeFields();
+		initializeDefaultColors();
 
 		for (int i = 0; i < fAppearanceColorListModel.length; i++) {
 			fAppearanceColorList.add(fAppearanceColorListModel[i][0]);
@@ -292,14 +289,16 @@ public class CEditorPreferencePage extends AbstractPreferencePage implements IWo
 				handleAppearanceColorListSelection();
 			}
 		});
-
 	}
 
-	/*
+	/**
-	 * @see org.eclipse.cdt.internal.ui.preferences.AbstractPreferencePage#performOk()
+	 * Initializes the default colors.
 	 */
-	public boolean performOk() {
+	private void initializeDefaultColors() {
-		return super.performOk();
+		if (getPreferenceStore().getBoolean(PreferenceConstants.EDITOR_SOURCE_HOVER_BACKGROUND_COLOR_SYSTEM_DEFAULT)) {
+			RGB rgb= fAppearanceColorList.getDisplay().getSystemColor(SWT.COLOR_INFO_BACKGROUND).getRGB();
+			PreferenceConverter.setValue(getPreferenceStore(), PreferenceConstants.EDITOR_SOURCE_HOVER_BACKGROUND_COLOR, rgb);
+		}
 	}
 
 	/*
@@ -307,15 +306,8 @@ public class CEditorPreferencePage extends AbstractPreferencePage implements IWo
 	 */
 	protected void performDefaults() {
 		super.performDefaults();
-
+		initializeDefaultColors();
 		handleAppearanceColorListSelection();
 	}
 
-	/*
-	 * @see org.eclipse.cdt.internal.ui.preferences.AbstractPreferencePage#dispose()
-	 */
-	public void dispose() {
-		super.dispose();
-	}
-
 }

core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/preferences/PreferencesMessages.java

@@ -57,6 +57,7 @@ public final class PreferencesMessages extends NLS {
 	public static String CEditorPreferencePage_ContentAssistPage_parameterForegroundColor;
 	public static String CEditorPreferencePage_ContentAssistPage_autoActivationEnableDoubleColon;
 	public static String CEditorPreferencePage_ContentAssistPage_sortingSection_title;
+	public static String CEditorPreferencePage_sourceHoverBackgroundColor;
 	public static String CEditorColoringConfigurationBlock_MultiLine;
 	public static String CEditorColoringConfigurationBlock_singleLine;
 	public static String CEditorColoringConfigurationBlock_keywords;

core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/preferences/PreferencesMessages.properties

@@ -39,6 +39,7 @@ CEditorPreferencePage_ContentAssistPage_parameterBackgroundColor=Parameter hint
 CEditorPreferencePage_ContentAssistPage_parameterForegroundColor=Parameter hint foreground
 CEditorPreferencePage_ContentAssistPage_autoActivationEnableDoubleColon=Enable "::" as trigger
 CEditorPreferencePage_ContentAssistPage_sortingSection_title=Sorting and Filtering
+CEditorPreferencePage_sourceHoverBackgroundColor=Source hover background
 
 # {0} will be replaced by the keyboard shortcut for the command (e.g. "Ctrl+Space", or "no shortcut") 
 CodeAssistAdvancedConfigurationBlock_page_description=Configure the behavior of the content assist ({0}) command.

core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/text/c/hover/SourceViewerInformationControl.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2002, 2006 QNX Software Systems and others.
+ * Copyright (c) 2002, 2007 QNX Software Systems and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -13,6 +13,7 @@
 package org.eclipse.cdt.internal.ui.text.c.hover;
 
 import org.eclipse.jface.preference.IPreferenceStore;
+import org.eclipse.jface.preference.PreferenceConverter;
 import org.eclipse.jface.resource.JFaceResources;
 import org.eclipse.jface.text.Document;
 import org.eclipse.jface.text.IDocument;
@@ -31,6 +32,7 @@ import org.eclipse.swt.graphics.Color;
 import org.eclipse.swt.graphics.Font;
 import org.eclipse.swt.graphics.FontData;
 import org.eclipse.swt.graphics.Point;
+import org.eclipse.swt.graphics.RGB;
 import org.eclipse.swt.graphics.Rectangle;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
@@ -41,6 +43,7 @@ import org.eclipse.swt.widgets.Shell;
 
 import org.eclipse.cdt.ui.CUIPlugin;
 import org.eclipse.cdt.ui.PreferenceConstants;
+import org.eclipse.cdt.ui.text.ICPartitions;
 
 import org.eclipse.cdt.internal.ui.editor.CSourceViewer;
 import org.eclipse.cdt.internal.ui.text.CTextTools;
@@ -91,6 +94,9 @@ public class SourceViewerInformationControl implements IInformationControl, IInf
 	 */
 	private int fMaxHeight= SWT.DEFAULT;
 
+	private Color fBackgroundColor;
+	private boolean fIsSystemBackgroundColor= true;
+
 	/**
 	 * Creates a default information control with the given shell as parent. The given
 	 * information presenter is used to process the information to be displayed. The given
@@ -124,6 +130,8 @@ public class SourceViewerInformationControl implements IInformationControl, IInf
 		Display display= fShell.getDisplay();
 		fShell.setBackground(display.getSystemColor(SWT.COLOR_BLACK));
 
+		initializeColors();
+
 		Composite composite= fShell;
 		layout= new GridLayout(1, false);
 		int border= ((shellStyle & SWT.NO_TRIM) == 0) ? 0 : BORDER;
@@ -142,21 +150,21 @@ public class SourceViewerInformationControl implements IInformationControl, IInf
 			gd= new GridData(GridData.FILL_BOTH);
 			composite.setLayoutData(gd);
 			composite.setForeground(display.getSystemColor(SWT.COLOR_INFO_FOREGROUND));
-			composite.setBackground(display.getSystemColor(SWT.COLOR_INFO_BACKGROUND));
+			composite.setBackground(fBackgroundColor);
 		}
 
 		// Source viewer
 		IPreferenceStore store= CUIPlugin.getDefault().getCombinedPreferenceStore();
 		fViewer= new CSourceViewer(composite, null, null, false, style, store);
 		CTextTools tools= CUIPlugin.getDefault().getTextTools();
-		fViewer.configure(new SimpleCSourceViewerConfiguration(tools.getColorManager(), store, null, tools.getDocumentPartitioning(), false));
+		fViewer.configure(new SimpleCSourceViewerConfiguration(tools.getColorManager(), store, null, ICPartitions.C_PARTITIONING, false));
 		fViewer.setEditable(false);
 
 		fText= fViewer.getTextWidget();
 		gd= new GridData(GridData.BEGINNING | GridData.FILL_BOTH);
 		fText.setLayoutData(gd);
 		fText.setForeground(parent.getDisplay().getSystemColor(SWT.COLOR_INFO_FOREGROUND));
-		fText.setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_INFO_BACKGROUND));
+		fText.setBackground(fBackgroundColor);
 
 		initializeFont();
 
@@ -191,13 +199,30 @@ public class SourceViewerInformationControl implements IInformationControl, IInf
 
 			// Regarding the color see bug 41128
 			fStatusField.setForeground(display.getSystemColor(SWT.COLOR_WIDGET_DARK_SHADOW));
-
+			fStatusField.setBackground(fBackgroundColor);
-			fStatusField.setBackground(display.getSystemColor(SWT.COLOR_INFO_BACKGROUND));
 		}
 
 		addDisposeListener(this);
 	}
 
+	private void initializeColors() {
+		RGB bgRGB= getHoverBackgroundColorRGB();
+		if (bgRGB != null) {
+			fBackgroundColor= new Color(fShell.getDisplay(), bgRGB);
+			fIsSystemBackgroundColor= false;
+		} else {
+			fBackgroundColor= fShell.getDisplay().getSystemColor(SWT.COLOR_INFO_BACKGROUND);
+			fIsSystemBackgroundColor= true;
+		}
+	}
+
+	private RGB getHoverBackgroundColorRGB() {
+		IPreferenceStore store= CUIPlugin.getDefault().getPreferenceStore();
+		return store.getBoolean(PreferenceConstants.EDITOR_SOURCE_HOVER_BACKGROUND_COLOR_SYSTEM_DEFAULT)
+			? null
+			: PreferenceConverter.getColor(store, PreferenceConstants.EDITOR_SOURCE_HOVER_BACKGROUND_COLOR);
+	}
+
 	/**
 	 * Creates a default information control with the given shell as parent. The given
 	 * information presenter is used to process the information to be displayed. The given
@@ -207,7 +232,7 @@ public class SourceViewerInformationControl implements IInformationControl, IInf
 	 * @param style the additional styles for the styled text widget
 	 */
 	public SourceViewerInformationControl(Shell parent,int style) {
-		this(parent, SWT.NO_TRIM, style);
+		this(parent, SWT.NO_TRIM | SWT.TOOL, style);
 	}
 
 	/**
@@ -222,7 +247,7 @@ public class SourceViewerInformationControl implements IInformationControl, IInf
 	 * @since 3.0
 	 */
 	public SourceViewerInformationControl(Shell parent,int style, String statusFieldText) {
-		this(parent, SWT.NO_TRIM, style, statusFieldText);
+		this(parent, SWT.NO_TRIM | SWT.TOOL, style, statusFieldText);
 	}
 
 	/**
@@ -309,6 +334,8 @@ public class SourceViewerInformationControl implements IInformationControl, IInf
 	 * {@inheritDoc}
 	 */
 	public final void dispose() {
+		if (!fIsSystemBackgroundColor)
+			fBackgroundColor.dispose();
 		if (fShell != null && !fShell.isDisposed())
 			fShell.dispose();
 		else
@@ -336,10 +363,6 @@ public class SourceViewerInformationControl implements IInformationControl, IInf
 	 * @see IInformationControl#setLocation(Point)
 	 */
 	public void setLocation(Point location) {
-		Rectangle trim= fShell.computeTrim(0, 0, 0, 0);
-		Point textLocation= fText.getLocation();				
-		location.x += trim.x - textLocation.x;		
-		location.y += trim.y - textLocation.y;		
 		fShell.setLocation(location);
 	}
 

core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/text/contentassist/ContentAssistPreference.java

@@ -17,6 +17,8 @@ import org.eclipse.swt.graphics.RGB;
 import org.eclipse.cdt.internal.ui.text.CTextTools;
 import org.eclipse.cdt.internal.ui.text.IColorManager;
 import org.eclipse.cdt.ui.CUIPlugin;
+import org.eclipse.cdt.ui.PreferenceConstants;
+
 import org.eclipse.jface.preference.IPreferenceStore;
 import org.eclipse.jface.preference.PreferenceConverter;
 import org.eclipse.jface.text.IDocument;
@@ -35,13 +37,13 @@ public class ContentAssistPreference {
 	/** Preference key for content assist timeout delay (unused) */
 	public final static String TIMEOUT_DELAY=  "content_assist_timeout_delay"; //$NON-NLS-1$
 	/** Preference key for content assist proposal color */
-	public final static String PROPOSALS_FOREGROUND=  "content_assist_proposals_foreground"; //$NON-NLS-1$
+	public final static String PROPOSALS_FOREGROUND=  PreferenceConstants.CODEASSIST_PROPOSALS_FOREGROUND;
 	/** Preference key for content assist proposal color */
-	public final static String PROPOSALS_BACKGROUND=  "content_assist_proposals_background"; //$NON-NLS-1$
+	public final static String PROPOSALS_BACKGROUND=  PreferenceConstants.CODEASSIST_PROPOSALS_BACKGROUND;
 	/** Preference key for content assist parameters color */
-	public final static String PARAMETERS_FOREGROUND=  "content_assist_parameters_foreground"; //$NON-NLS-1$
+	public final static String PARAMETERS_FOREGROUND=  PreferenceConstants.CODEASSIST_PARAMETERS_FOREGROUND;
 	/** Preference key for content assist parameters color */
-	public final static String PARAMETERS_BACKGROUND=  "content_assist_parameters_background"; //$NON-NLS-1$
+	public final static String PARAMETERS_BACKGROUND=  PreferenceConstants.CODEASSIST_PARAMETERS_BACKGROUND;
 	/** Preference key for content assist auto insert */
 	public final static String AUTOINSERT=  "content_assist_autoinsert"; //$NON-NLS-1$
 	/** Preference key for content assist to insert the common prefix */

core/org.eclipse.cdt.ui/src/org/eclipse/cdt/ui/PreferenceConstants.java

@@ -1022,6 +1022,34 @@ public class PreferenceConstants {
 	 */
 	public final static String CODEASSIST_PROPOSALS_FOREGROUND= "content_assist_proposals_foreground"; //$NON-NLS-1$
 	
+	/**
+	 * A named preference that holds the background color used for parameter hints.
+	 * <p>
+	 * Value is of type <code>String</code>. A RGB color value encoded as a string
+	 * using class <code>PreferenceConverter</code>
+	 * </p>
+	 * 
+	 * @see org.eclipse.jface.resource.StringConverter
+	 * @see org.eclipse.jface.preference.PreferenceConverter
+	 *
+	 * @since 5.0
+	 */
+	public final static String CODEASSIST_PARAMETERS_BACKGROUND= "content_assist_parameters_background"; //$NON-NLS-1$
+
+	/**
+	 * A named preference that holds the foreground color used in the code assist selection dialog.
+	 * <p>
+	 * Value is of type <code>String</code>. A RGB color value encoded as a string
+	 * using class <code>PreferenceConverter</code>
+	 * </p>
+	 * 
+	 * @see org.eclipse.jface.resource.StringConverter
+	 * @see org.eclipse.jface.preference.PreferenceConverter
+	 *
+	 * @since 5.0
+	 */
+	public final static String CODEASSIST_PARAMETERS_FOREGROUND= "content_assist_parameters_foreground"; //$NON-NLS-1$
+
 	/**
 	 * A named preference that controls whether words containing digits should
 	 * be skipped during spell checking.
@@ -1185,6 +1213,33 @@ public class PreferenceConstants {
 	 */
 	public static final String CODEGEN_ADD_COMMENTS= "org.eclipse.cdt.ui.add_comments"; //$NON-NLS-1$
 
+	/**
+	 * A named preference that holds the source hover background color.
+	 * <p>
+	 * Value is of type <code>String</code>. A RGB color value encoded as a string
+	 * using class <code>PreferenceConverter</code>
+	 * </p>
+	 *
+	 * @see org.eclipse.jface.resource.StringConverter
+	 * @see org.eclipse.jface.preference.PreferenceConverter
+	 * @since 5.0
+	 */
+	public final static String EDITOR_SOURCE_HOVER_BACKGROUND_COLOR= "sourceHoverBackgroundColor"; //$NON-NLS-1$
+
+	/**
+	 * A named preference that tells whether to use the system
+	 * default color ({@link SWT#COLOR_INFO_BACKGROUND}) for
+	 * the source hover background color.
+	 * <p>
+	 * Value is of type <code>Boolean</code>.
+	 * </p>
+	 *
+	 * @see org.eclipse.jface.resource.StringConverter
+	 * @see org.eclipse.jface.preference.PreferenceConverter
+	 * @since 5.0
+	 */
+	public final static String EDITOR_SOURCE_HOVER_BACKGROUND_COLOR_SYSTEM_DEFAULT= "sourceHoverBackgroundColor.SystemDefault"; //$NON-NLS-1$
+
 	/**
 	 * Returns the CDT-UI preference store.
 	 *
@@ -1215,6 +1270,8 @@ public class PreferenceConstants {
 		store.setDefault(PreferenceConstants.EDITOR_TEXT_HOVER_MODIFIERS, "org.eclipse.cdt.ui.BestMatchHover;0;org.eclipse.cdt.ui.CSourceHover;" + sourceHoverModifierName); //$NON-NLS-1$
 		store.setDefault(PreferenceConstants.EDITOR_TEXT_HOVER_MODIFIER_MASKS, "org.eclipse.cdt.ui.BestMatchHover;0;org.eclipse.cdt.ui.CSourceHover;" + sourceHoverModifier); //$NON-NLS-1$
 
+		store.setDefault(EDITOR_SOURCE_HOVER_BACKGROUND_COLOR_SYSTEM_DEFAULT, true);
+
 		// coloring
 		PreferenceConverter.setDefault(store, EDITOR_MULTI_LINE_COMMENT_COLOR, new RGB(63, 127, 95));
 		store.setDefault(EDITOR_MULTI_LINE_COMMENT_BOLD, false);
@@ -1304,7 +1361,6 @@ public class PreferenceConstants {
 		store.setDefault(PreferenceConstants.CODEASSIST_EXCLUDED_CATEGORIES, "org.eclipse.cdt.ui.textProposalCategory\0"); //$NON-NLS-1$
 		store.setDefault(PreferenceConstants.CODEASSIST_CATEGORY_ORDER, "org.eclipse.cdt.ui.parserProposalCategory:65539\0org.eclipse.cdt.ui.textProposalCategory:65541\0org.eclipse.cdt.ui.templateProposalCategory:2\0"); //$NON-NLS-1$
 
-		
 		setDefaultAndFireEvent(
 				store,
 				PreferenceConstants.CODEASSIST_PROPOSALS_BACKGROUND,
@@ -1313,6 +1369,14 @@ public class PreferenceConstants {
 				store,
 				PreferenceConstants.CODEASSIST_PROPOSALS_FOREGROUND,
 				findRGB(registry, ICThemeConstants.CODEASSIST_PROPOSALS_FOREGROUND, new RGB(0, 0, 0)));
+		setDefaultAndFireEvent(
+				store,
+				PreferenceConstants.CODEASSIST_PARAMETERS_BACKGROUND,
+				findRGB(registry, ICThemeConstants.CODEASSIST_PARAMETERS_BACKGROUND, new RGB(255, 255, 255)));
+		setDefaultAndFireEvent(
+				store,
+				PreferenceConstants.CODEASSIST_PARAMETERS_FOREGROUND,
+				findRGB(registry, ICThemeConstants.CODEASSIST_PARAMETERS_FOREGROUND, new RGB(0, 0, 0)));
 
 		// spell checking
 		store.setDefault(PreferenceConstants.SPELLING_LOCALE, "en_US"); //$NON-NLS-1$