1 files changed, 44 insertions, 7 deletions

diff --git a/org.eclipse.jface.text/src/org/eclipse/jface/text/source/inlined/AbstractInlinedAnnotation.java b/org.eclipse.jface.text/src/org/eclipse/jface/text/source/inlined/AbstractInlinedAnnotation.java
index bd0f1833249..731176378eb 100644
--- a/org.eclipse.jface.text/src/org/eclipse/jface/text/source/inlined/AbstractInlinedAnnotation.java
+++ b/org.eclipse.jface.text/src/org/eclipse/jface/text/source/inlined/AbstractInlinedAnnotation.java
@@ -52,11 +52,15 @@ public abstract class AbstractInlinedAnnotation extends Annotation {
 	 */
 	private InlinedAnnotationSupport support;
 
+	int fX;
+
+	int fY;
+
 	/**
 	 * Inlined annotation constructor.
 	 *
 	 * @param position the position where the annotation must be drawn.
-	 * @param viewer the {@link ISourceViewer} where the annotation must be drawn.
+	 * @param viewer   the {@link ISourceViewer} where the annotation must be drawn.
 	 */
 	protected AbstractInlinedAnnotation(Position position, ISourceViewer viewer) {
 		super(TYPE, false, ""); //$NON-NLS-1$
@@ -112,13 +116,13 @@ public abstract class AbstractInlinedAnnotation extends Annotation {
 	 * Draw the inlined annotation. By default it draw the text of the annotation with gray color.
 	 * User can override this method to draw anything.
 	 *
-	 * @param gc the graphics context
+	 * @param gc         the graphics context
 	 * @param textWidget the text widget to draw on
-	 * @param offset the offset of the line
-	 * @param length the length of the line
-	 * @param color the color of the line
-	 * @param x the x position of the annotation
-	 * @param y the y position of the annotation
+	 * @param offset     the offset of the line
+	 * @param length     the length of the line
+	 * @param color      the color of the line
+	 * @param x          the x position of the annotation
+	 * @param y          the y position of the annotation
 	 */
 	public void draw(GC gc, StyledText textWidget, int offset, int length, Color color, int x, int y) {
 		gc.setForeground(color);
@@ -191,4 +195,37 @@ public abstract class AbstractInlinedAnnotation extends Annotation {
 	Font getFont(int style) {
 		return support.getFont(style);
 	}
+
+	/**
+	 * Set the location where the annotation is drawn.
+	 *
+	 * @param x the x coordinate where draw of annotation starts.
+	 * @param y the y coordinate where draw of annotation starts.
+	 */
+	void setLocation(int x, int y) {
+		this.fX= x;
+		this.fY= y;
+	}
+
+	/**
+	 * Returns <code>true</code> if the point specified by the arguments is inside the annotation
+	 * specified by the receiver, and <code>false</code> otherwise.
+	 *
+	 * @param x the x coordinate of the point to test for containment
+	 * @param y the y coordinate of the point to test for containment
+	 * @return <code>true</code> if the annotation contains the point and <code>false</code>
+	 *         otherwise
+	 */
+	boolean contains(int x, int y) {
+		StyledText styledText= getTextWidget();
+		GC gc= null;
+		try {
+			gc= new GC(styledText);
+			return x >= fX && y >= fY && y <= fY + styledText.getLineHeight(position.getOffset()) && x <= fX + gc.stringExtent(getText()).x + 2 * gc.getFontMetrics().getAverageCharacterWidth();
+		} finally {
+			if (gc != null) {
+				gc.dispose();
+			}
+		}
+	}
 }