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+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+import java.awt.*;
+import javax.swing.tree.*;
+import java.awt.geom.Rectangle2D;
+
+import com.sun.star.accessibility.XAccessibleContext;
+import com.sun.star.accessibility.XAccessibleComponent;
+import com.sun.star.accessibility.XAccessibleText;
+import com.sun.star.accessibility.XAccessibleStateSet;
+import com.sun.star.accessibility.AccessibleStateType;
+
+class CanvasShape
+{
+ private final Color maHighlightColor = Color.red;
+ private final Color maSelectionColor = Color.green;
+ private final Color maFocusColor = Color.blue;
+
+ public CanvasShape (AccTreeNode aNode)
+ {
+ maNode = aNode;
+ mxContext = aNode.getContext();
+ msName = "name unknown";
+ msDescription = "description unknown";
+ maShape = new Rectangle2D.Double (-10,-10,10,10);
+ maPosition = new Point (-10,-10);
+ maSize = new Dimension (10,10);
+ maFgColor = java.awt.Color.black;
+ maBgColor = Color.blue;
+ mbHighlighted = false;
+ mbSelected = false;
+ mbFocused = false;
+ mxComponent = aNode.getComponent();
+
+ update ();
+ }
+
+
+
+ /** Update the data obtained from the xAccessible.
+ */
+ public void update ()
+ {
+ if (mxContext != null)
+ {
+ msName = mxContext.getAccessibleName();
+ msDescription = mxContext.getAccessibleDescription();
+
+ // Extract the selected and focused flag.
+ XAccessibleStateSet xStateSet = mxContext.getAccessibleStateSet ();
+ if (xStateSet != null)
+ {
+ mbSelected = xStateSet.contains (AccessibleStateType.SELECTED);
+ mbFocused = xStateSet.contains (AccessibleStateType.FOCUSED);
+ }
+ }
+
+ updateGeometry ();
+ if (mxComponent != null)
+ {
+ // Note: alpha values in office 0..255 have to be mapped to
+ // 255..0 in Java
+ Color aCol = new Color (mxComponent.getForeground(), true);
+ maFgColor = new Color (aCol.getRed (),
+ aCol.getGreen (),
+ aCol.getBlue (),
+ 0xff - aCol.getAlpha ());
+ aCol = new Color (mxComponent.getBackground(), true);
+ maBgColor = new Color (aCol.getRed (),
+ aCol.getGreen (),
+ aCol.getBlue (),
+ 0xff - aCol.getAlpha ());
+ }
+ }
+
+ public void updateGeometry ()
+ {
+ if (mxComponent != null)
+ {
+ com.sun.star.awt.Point aLocationOnScreen = mxComponent.getLocationOnScreen();
+ com.sun.star.awt.Size aSizeOnScreen = mxComponent.getSize();
+ maPosition = new Point (
+ aLocationOnScreen.X,
+ aLocationOnScreen.Y);
+ maSize = new Dimension (
+ aSizeOnScreen.Width,
+ aSizeOnScreen.Height);
+ }
+ }
+
+
+ /** Paint the object into the specified canvas. It is transformed
+ according to the specified offset and scale.
+ */
+ public void paint (Graphics2D g,
+ double nXOffset, double nYOffset, double nScaleFactor,
+ boolean bShowDescription, boolean bShowName, boolean bShowText)
+ {
+ try{
+ // Transform the object's position and size according to the
+ // specified offset and scale.
+ maShape = new Rectangle2D.Double (
+ maPosition.x * nScaleFactor + nXOffset,
+ maPosition.y * nScaleFactor + nYOffset,
+ maSize.width * nScaleFactor,
+ maSize.height * nScaleFactor);
+
+ // Fill the object's bounding box with its background color if it
+ // has no children.
+ if (mxContext.getAccessibleChildCount() == 0)
+ {
+ g.setColor (maBgColor);
+ g.fill (maShape);
+ }
+
+ // Remove alpha channel from color before drawing the frame.
+ Color color = maFgColor;
+ if (maFgColor.getAlpha()<128)
+ color = new Color (maFgColor.getRed(), maFgColor.getGreen(), maFgColor.getBlue());
+ g.setColor (color);
+ g.draw (maShape);
+
+ if (mbFocused)
+ {
+ g.setColor (maFocusColor);
+ for (int x=0; x<=2; x++)
+ for (int y=0; y<=2; y++)
+ g.fill (
+ new Rectangle2D.Double (
+ maShape.x + x/2.0 * maShape.width-3,
+ maShape.y + y/2.0 * maShape.height-3,
+ 6,
+ 6));
+ }
+ if (mbSelected)
+ {
+ g.setColor (maSelectionColor);
+ for (int x=0; x<=2; x++)
+ for (int y=0; y<=2; y++)
+ g.draw (
+ new Rectangle2D.Double (
+ maShape.x + x/2.0 * maShape.width-2,
+ maShape.y + y/2.0 * maShape.height-2,
+ 4,
+ 4));
+ }
+
+ // Write the object's text OR name and description.
+ g.setColor (maFgColor);
+ if (bShowName)
+ paintName (g);
+ if (bShowDescription)
+ paintDescription (g);
+ if (bShowText)
+ paintText (g);
+ }
+ catch (Exception e)
+ { // don't care
+ }
+ }
+
+ public void paint_highlight (Graphics2D g)
+ {
+ if (mbHighlighted)
+ g.setColor (maHighlightColor);
+ else
+ g.setColor (maFgColor);
+ g.draw (maShape);
+ }
+
+
+
+
+ private void paintName (Graphics2D g)
+ {
+ g.drawString ("Name: " + msName,
+ (float)maShape.x+5,
+ (float)maShape.y+15);
+ }
+
+
+
+ private void paintDescription (Graphics2D g)
+ {
+ g.drawString ("Description: " + msDescription,
+ (float)maShape.x+5,
+ (float)maShape.y+35);
+ }
+
+
+
+
+ private void paintText (Graphics2D g)
+ {
+ XAccessibleText xText = null;
+ // get XAccessibleText
+ xText = maNode.getText();
+
+ // Draw every character in the text string.
+ if (xText != null)
+ {
+ String sText = xText.getText();
+ try
+ {
+ for(int i = 0; i < sText.length(); i++)
+ {
+ com.sun.star.awt.Rectangle aRect =
+ xText.getCharacterBounds(i);
+
+ double x = maShape.x + aRect.X;
+ double y = maShape.y + aRect.Y + aRect.Height;
+
+ g.drawString(sText.substring(i, i+1), (float)x, (float)y);
+ }
+ }
+ catch (com.sun.star.lang.IndexOutOfBoundsException e)
+ {}
+ }
+ }
+
+
+
+
+ /** Compute whether the specified point lies inside the object's
+ bounding box.
+ */
+ public boolean contains (int x, int y)
+ {
+ return maShape.contains (x,y);
+ }
+
+ public void highlight ()
+ {
+ mbHighlighted = true;
+ }
+
+ public void unhighlight ()
+ {
+ mbHighlighted = false;
+ }
+
+ public Rectangle getBBox ()
+ {
+ return new Rectangle (maPosition, maSize);
+ }
+
+ public TreePath getPath ()
+ {
+ return new TreePath (maNode.createPath());
+ }
+
+ @Override
+ public String toString ()
+ {
+ return ">"+msName+", "+msDescription+" +"+maPosition.x+"+"+maPosition.y
+ +"x"+maSize.width+"x"+maSize.height+"<";
+ }
+
+ private final AccTreeNode maNode;
+ private final XAccessibleContext mxContext;
+ private final XAccessibleComponent mxComponent;
+ private String msDescription, msName;
+ private Rectangle2D.Double maShape;
+ private Point maPosition;
+ private Dimension maSize;
+ private Color maFgColor, maBgColor;
+ private boolean
+ // Highlighting objects is an internal concept. Corresponds to selection in the tree view.
+ mbHighlighted,
+ // Set when the accessible object is selected.
+ mbSelected,
+ // Set when the accessible object is focused.
+ mbFocused;
+}
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