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Diffstat (limited to '')
| -rw-r--r-- | toolkit/test/accessibility/CanvasShape.java | 290 |
1 files changed, 290 insertions, 0 deletions
diff --git a/toolkit/test/accessibility/CanvasShape.java b/toolkit/test/accessibility/CanvasShape.java new file mode 100644 index 000000000..19aa983de --- /dev/null +++ b/toolkit/test/accessibility/CanvasShape.java @@ -0,0 +1,290 @@ +/* + * 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; +} |