/* * 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; }