1 files changed, 122 insertions, 0 deletions
diff --git a/autotools/org.eclipse.linuxtools.cdt.autotools.ui/src/org/eclipse/linuxtools/internal/cdt/autotools/ui/preferences/ColorEditor.java b/autotools/org.eclipse.linuxtools.cdt.autotools.ui/src/org/eclipse/linuxtools/internal/cdt/autotools/ui/preferences/ColorEditor.java
new file mode 100644
index 0000000000..fb4ff1094f
--- /dev/null
+++ b/autotools/org.eclipse.linuxtools.cdt.autotools.ui/src/org/eclipse/linuxtools/internal/cdt/autotools/ui/preferences/ColorEditor.java
@@ -0,0 +1,122 @@
+/*******************************************************************************
+ * Copyright (c) 2002, 2006 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
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * QNX Software Systems - Initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.linuxtools.internal.cdt.autotools.ui.preferences;
+
+import org.eclipse.jface.resource.JFaceResources;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.DisposeEvent;
+import org.eclipse.swt.events.DisposeListener;
+import org.eclipse.swt.events.SelectionAdapter;
+import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.graphics.Color;
+import org.eclipse.swt.graphics.Font;
+import org.eclipse.swt.graphics.GC;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.graphics.Point;
+import org.eclipse.swt.graphics.RGB;
+import org.eclipse.swt.widgets.Button;
+import org.eclipse.swt.widgets.ColorDialog;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Display;
+
+/**
+ * A "button" of a certain color determined by the color picker
+ */
+public class ColorEditor {
+	
+	private Point fExtent;
+	Image fImage;
+	RGB fColorValue;
+	Color fColor;
+	Button fButton;
+	
+	public ColorEditor(Composite parent) {
+		
+		fButton= new Button(parent, SWT.PUSH);
+		fExtent= computeImageSize(parent);
+		fImage= new Image(parent.getDisplay(), fExtent.x, fExtent.y);
+		
+		GC gc= new GC(fImage);
+		gc.setBackground(fButton.getBackground());
+		gc.fillRectangle(0, 0, fExtent.x, fExtent.y);
+		gc.dispose();
+		
+		fButton.setImage(fImage);
+		fButton.addSelectionListener(new SelectionAdapter() {
+			public void widgetSelected(SelectionEvent event) {
+				ColorDialog colorDialog= new ColorDialog(fButton.getShell());
+				colorDialog.setRGB(fColorValue);
+				RGB newColor = colorDialog.open();
+				if (newColor != null) {
+					fColorValue= newColor;
+					updateColorImage();
+				}
+			}
+		});
+		
+		fButton.addDisposeListener(new DisposeListener() {
+			public void widgetDisposed(DisposeEvent event) {
+				if (fImage != null)  {
+					fImage.dispose();
+					fImage= null;
+				}
+				if (fColor != null) {
+					fColor.dispose();
+					fColor= null;
+				}
+			}
+		});
+	}
+	
+	public RGB getColorValue() {
+		return fColorValue;
+	}
+	
+	public void setColorValue(RGB rgb) {
+		fColorValue= rgb;
+		updateColorImage();
+	}
+	
+	public Button getButton() {
+		return fButton;
+	}
+	
+	protected void updateColorImage() {
+		
+		Display display= fButton.getDisplay();
+		
+		GC gc= new GC(fImage);
+		gc.setForeground(display.getSystemColor(SWT.COLOR_BLACK));
+		gc.drawRectangle(0, 2, fExtent.x - 1, fExtent.y - 4);
+		
+		if (fColor != null)
+			fColor.dispose();
+			
+		fColor= new Color(display, fColorValue);
+		gc.setBackground(fColor);
+		gc.fillRectangle(1, 3, fExtent.x - 2, fExtent.y - 5);
+		gc.dispose();
+		
+		fButton.setImage(fImage);
+	}
+	
+	protected Point computeImageSize(Control window) {
+		GC gc= new GC(window);
+		Font f= JFaceResources.getFontRegistry().get(JFaceResources.DEFAULT_FONT);
+		gc.setFont(f);
+		int height= gc.getFontMetrics().getHeight();
+		gc.dispose();
+		Point p= new Point(height * 3 - 6, height);
+		return p;
+	}
+}