Examples with Accessible org.eclipse.swt.accessibility.Accessible used on opensource projects

Example 11 with Accessible

use of org.eclipse.swt.accessibility.Accessible in project eclipse.platform.swt by eclipse.

the class CTableItem method removeColumn.

/*
 * Updates internal structures in the receiver and its child items to handle the removal of a column.
 */
void removeColumn(CTableColumn column, int index) {
    int columnCount = parent.columns.length;
    if (columnCount == 0) {
        /* reverts to normal table when last column disposed */
        cellBackgrounds = cellForegrounds = null;
        displayTexts = null;
        cellFonts = null;
        fontHeights = null;
        GC gc = new GC(parent);
        computeTextWidths(gc);
        gc.dispose();
        return;
    }
    String[] newTexts = new String[columnCount];
    System.arraycopy(texts, 0, newTexts, 0, index);
    System.arraycopy(texts, index + 1, newTexts, index, columnCount - index);
    texts = newTexts;
    Image[] newImages = new Image[columnCount];
    System.arraycopy(images, 0, newImages, 0, index);
    System.arraycopy(images, index + 1, newImages, index, columnCount - index);
    images = newImages;
    int[] newTextWidths = new int[columnCount];
    System.arraycopy(textWidths, 0, newTextWidths, 0, index);
    System.arraycopy(textWidths, index + 1, newTextWidths, index, columnCount - index);
    textWidths = newTextWidths;
    String[] newDisplayTexts = new String[columnCount];
    System.arraycopy(displayTexts, 0, newDisplayTexts, 0, index);
    System.arraycopy(displayTexts, index + 1, newDisplayTexts, index, columnCount - index);
    displayTexts = newDisplayTexts;
    if (columnCount > 1) {
        Accessible[] newAccessibles = new Accessible[columnCount];
        System.arraycopy(accessibles, 0, newAccessibles, 0, index);
        System.arraycopy(accessibles, index + 1, newAccessibles, index, columnCount - index);
        accessibles = newAccessibles;
    }
    if (cellBackgrounds != null) {
        Color[] newCellBackgrounds = new Color[columnCount];
        System.arraycopy(cellBackgrounds, 0, newCellBackgrounds, 0, index);
        System.arraycopy(cellBackgrounds, index + 1, newCellBackgrounds, index, columnCount - index);
        cellBackgrounds = newCellBackgrounds;
    }
    if (cellForegrounds != null) {
        Color[] newCellForegrounds = new Color[columnCount];
        System.arraycopy(cellForegrounds, 0, newCellForegrounds, 0, index);
        System.arraycopy(cellForegrounds, index + 1, newCellForegrounds, index, columnCount - index);
        cellForegrounds = newCellForegrounds;
    }
    if (cellFonts != null) {
        Font[] newCellFonts = new Font[columnCount];
        System.arraycopy(cellFonts, 0, newCellFonts, 0, index);
        System.arraycopy(cellFonts, index + 1, newCellFonts, index, columnCount - index);
        cellFonts = newCellFonts;
        int[] newFontHeights = new int[columnCount];
        System.arraycopy(fontHeights, 0, newFontHeights, 0, index);
        System.arraycopy(fontHeights, index + 1, newFontHeights, index, columnCount - index);
        fontHeights = newFontHeights;
    }
    if (index == 0) {
        // $NON-NLS-1$
        super.setText(texts[0] != null ? texts[0] : "");
        texts[0] = null;
        super.setImage(images[0]);
        images[0] = null;
        /*
		 * The new first column may not have as much width available to it as it did when it was
		 * the second column if checkboxes are being shown, so recompute its displayText if needed.
		 */
        if ((parent.getStyle() & SWT.CHECK) != 0) {
            GC gc = new GC(parent);
            gc.setFont(getFont(0, false));
            computeDisplayText(0, gc);
            gc.dispose();
        }
    }
    if (columnCount < 2) {
        texts = null;
        images = null;
    }
}

Example 12 with Accessible

use of org.eclipse.swt.accessibility.Accessible in project eclipse.platform.swt by eclipse.

the class ControlsWithAccessibleNamesExample method main.

public static void main(String[] args) {
    display = new Display();
    shell = new Shell(display);
    shell.setLayout(new GridLayout(4, true));
    shell.setText("Override Accessibility Test");
    largeImage = new Image(display, ControlsWithAccessibleNamesExample.class.getResourceAsStream("run_wiz.gif"));
    smallImage = new Image(display, ControlsWithAccessibleNamesExample.class.getResourceAsStream("run.gif"));
    ImageData source = smallImage.getImageData();
    ImageData mask = source.getTransparencyMask();
    transparentImage = new Image(display, source, mask);
    new Label(shell, SWT.NONE).setText("Use Platform Name");
    new Label(shell, SWT.NONE).setText("Override Platform Name");
    new Label(shell, SWT.NONE).setText("Use Platform Name");
    new Label(shell, SWT.NONE).setText("Override Platform Name");
    AccessibleAdapter overrideAccessibleAdapter = new AccessibleAdapter() {

        @Override
        public void getName(AccessibleEvent e) {
            Control control = ((Accessible) e.getSource()).getControl();
            if (e.childID == ACC.CHILDID_SELF) {
                e.result = "Overriding Platform Name For " + control.getData("name") + " (was " + e.result + ")";
            } else {
                e.result = "Overriding Platform Name For " + control.getData("child") + ": " + e.childID + " (was " + e.result + ")";
            }
        }

        @Override
        public void getHelp(AccessibleEvent e) {
            Control control = ((Accessible) e.getSource()).getControl();
            if (e.childID == ACC.CHILDID_SELF) {
                e.result = "Overriding Platform Help For " + control.getData("name") + " (was " + e.result + ")";
            } else {
                e.result = "Overriding Platform Help For " + control.getData("child") + ": " + e.childID + " (was " + e.result + ")";
            }
        }
    };
    // Shell shell;
    shell.setData("name", "Shell");
    shell.getAccessible().addAccessibleListener(overrideAccessibleAdapter);
    // Label label, overrideLabel;
    label = new Label(shell, SWT.BORDER);
    label.setText("Label");
    label.setToolTipText("Label ToolTip");
    overrideLabel = new Label(shell, SWT.BORDER);
    overrideLabel.setText("Label");
    overrideLabel.setToolTipText("Label ToolTip");
    overrideLabel.setData("name", "Label");
    overrideLabel.getAccessible().addAccessibleListener(overrideAccessibleAdapter);
    // Label imageLabel, overrideImageLabel;
    imageLabel = new Label(shell, SWT.BORDER);
    imageLabel.setImage(largeImage);
    imageLabel.setToolTipText("Image Label ToolTip");
    overrideImageLabel = new Label(shell, SWT.BORDER);
    overrideImageLabel.setImage(largeImage);
    overrideImageLabel.setToolTipText("Image Label ToolTip");
    overrideImageLabel.setData("name", "Image Label");
    overrideImageLabel.getAccessible().addAccessibleListener(overrideAccessibleAdapter);
    // Button button, overrideButton;
    button = new Button(shell, SWT.PUSH);
    button.setText("Button");
    button.setToolTipText("Button ToolTip");
    overrideButton = new Button(shell, SWT.PUSH);
    overrideButton.setText("Button");
    overrideButton.setToolTipText("Button ToolTip");
    overrideButton.setData("name", "Button");
    overrideButton.getAccessible().addAccessibleListener(overrideAccessibleAdapter);
    // Button imageButton, overrideImageButton;
    imageButton = new Button(shell, SWT.PUSH);
    imageButton.setImage(smallImage);
    imageButton.setToolTipText("Image Button ToolTip");
    overrideImageButton = new Button(shell, SWT.PUSH);
    overrideImageButton.setImage(smallImage);
    overrideImageButton.setToolTipText("Image Button ToolTip");
    overrideImageButton.setData("name", "Image Button");
    overrideImageButton.getAccessible().addAccessibleListener(overrideAccessibleAdapter);
    // Combo combo, overrideCombo;
    combo = new Combo(shell, SWT.BORDER);
    for (int i = 0; i < 5; i++) {
        combo.add("item" + i);
    }
    combo.setText("Combo");
    combo.setToolTipText("Combo ToolTip");
    overrideCombo = new Combo(shell, SWT.BORDER);
    for (int i = 0; i < 5; i++) {
        overrideCombo.add("item" + i);
    }
    overrideCombo.setText("Combo");
    overrideCombo.setToolTipText("Combo ToolTip");
    overrideCombo.setData("name", "Combo");
    overrideCombo.getAccessible().addAccessibleListener(overrideAccessibleAdapter);
    // Spinner spinner, overrideSpinner;
    spinner = new Spinner(shell, SWT.BORDER);
    spinner.setSelection(5);
    spinner.setToolTipText("Spinner ToolTip");
    overrideSpinner = new Spinner(shell, SWT.BORDER);
    overrideSpinner.setSelection(5);
    overrideSpinner.setToolTipText("Spinner ToolTip");
    overrideSpinner.setData("name", "Spinner");
    overrideSpinner.getAccessible().addAccessibleListener(overrideAccessibleAdapter);
    // Text text, overrideText;
    text = new Text(shell, SWT.SINGLE | SWT.BORDER);
    text.setText("Contents of single-line Text");
    overrideText = new Text(shell, SWT.SINGLE | SWT.BORDER);
    overrideText.setText("Contents of single-line Text");
    overrideText.setData("name", "Text");
    overrideText.getAccessible().addAccessibleListener(overrideAccessibleAdapter);
    // Text multiLineText, overrideMultiLineText;
    multiLineText = new Text(shell, SWT.MULTI | SWT.BORDER);
    multiLineText.setText("Contents of multi-line Text\nLine 2\nLine 3\nLine 4");
    overrideMultiLineText = new Text(shell, SWT.MULTI | SWT.BORDER);
    overrideMultiLineText.setText("Contents of multi-line Text\nLine 2\nLine 3\nLine 4");
    overrideMultiLineText.setData("name", "MultiLineText");
    overrideMultiLineText.getAccessible().addAccessibleListener(overrideAccessibleAdapter);
    // List list, overrideList;
    list = new List(shell, SWT.SINGLE | SWT.BORDER);
    list.setItems("Item0", "Item1", "Item2");
    overrideList = new List(shell, SWT.SINGLE | SWT.BORDER);
    overrideList.setItems("Item0", "Item1", "Item2");
    overrideList.setData("name", "List");
    overrideList.setData("child", "List Item");
    overrideList.getAccessible().addAccessibleListener(overrideAccessibleAdapter);
    // Table table, overrideTable;
    table = new Table(shell, SWT.BORDER | SWT.MULTI | SWT.FULL_SELECTION);
    table.setHeaderVisible(true);
    table.setLinesVisible(true);
    for (int col = 0; col < 3; col++) {
        TableColumn column = new TableColumn(table, SWT.NONE);
        column.setText("Col " + col);
        column.pack();
    }
    for (int row = 0; row < 3; row++) {
        TableItem item = new TableItem(table, SWT.NONE);
        item.setText(new String[] { "C0R" + row, "C1R" + row, "C2R" + row });
    }
    overrideTable = new Table(shell, SWT.BORDER | SWT.MULTI | SWT.FULL_SELECTION);
    overrideTable.setHeaderVisible(true);
    overrideTable.setLinesVisible(true);
    for (int col = 0; col < 3; col++) {
        TableColumn column = new TableColumn(overrideTable, SWT.NONE);
        column.setText("Col " + col);
        column.pack();
    }
    for (int row = 0; row < 3; row++) {
        TableItem item = new TableItem(overrideTable, SWT.NONE);
        item.setText(new String[] { "C0R" + row, "C1R" + row, "C2R" + row });
    }
    overrideTable.setData("name", "Table");
    overrideTable.setData("child", "Table Item");
    overrideTable.getAccessible().addAccessibleListener(overrideAccessibleAdapter);
    // Tree tree, overrideTree;
    tree = new Tree(shell, SWT.BORDER | SWT.MULTI);
    for (int i = 0; i < 3; i++) {
        TreeItem item = new TreeItem(tree, SWT.NONE);
        item.setText("Item" + i);
        for (int j = 0; j < 4; j++) {
            new TreeItem(item, SWT.NONE).setText("Item" + i + j);
        }
    }
    overrideTree = new Tree(shell, SWT.BORDER | SWT.MULTI);
    for (int i = 0; i < 3; i++) {
        TreeItem item = new TreeItem(overrideTree, SWT.NONE);
        item.setText("Item" + i);
        for (int j = 0; j < 4; j++) {
            new TreeItem(item, SWT.NONE).setText("Item" + i + j);
        }
    }
    overrideTree.setData("name", "Tree");
    overrideTree.setData("child", "Tree Item");
    overrideTree.getAccessible().addAccessibleListener(overrideAccessibleAdapter);
    // Tree treeTable, overrideTreeTable;
    treeTable = new Tree(shell, SWT.BORDER | SWT.MULTI);
    treeTable.setHeaderVisible(true);
    treeTable.setLinesVisible(true);
    for (int col = 0; col < 3; col++) {
        TreeColumn column = new TreeColumn(treeTable, SWT.NONE);
        column.setText("Col " + col);
        column.pack();
    }
    for (int i = 0; i < 3; i++) {
        TreeItem item = new TreeItem(treeTable, SWT.NONE);
        item.setText(new String[] { "I" + i + "C0", "I" + i + "C1", "I" + i + "C2" });
        for (int j = 0; j < 4; j++) {
            new TreeItem(item, SWT.NONE).setText(new String[] { "I" + i + j + "C0", "I" + i + j + "C1", "I" + i + j + "C2" });
        }
    }
    overrideTreeTable = new Tree(shell, SWT.BORDER | SWT.MULTI);
    overrideTreeTable.setHeaderVisible(true);
    overrideTreeTable.setLinesVisible(true);
    for (int col = 0; col < 3; col++) {
        TreeColumn column = new TreeColumn(overrideTreeTable, SWT.NONE);
        column.setText("Col " + col);
        column.pack();
    }
    for (int i = 0; i < 3; i++) {
        TreeItem item = new TreeItem(overrideTreeTable, SWT.NONE);
        item.setText(new String[] { "I" + i + "C0", "I" + i + "C1", "I" + i + "C2" });
        for (int j = 0; j < 4; j++) {
            new TreeItem(item, SWT.NONE).setText(new String[] { "I" + i + j + "C0", "I" + i + j + "C1", "I" + i + j + "C2" });
        }
    }
    overrideTreeTable.setData("name", "Tree Table");
    overrideTreeTable.setData("child", "Tree Table Item");
    overrideTreeTable.getAccessible().addAccessibleListener(overrideAccessibleAdapter);
    // ToolBar toolBar, overrideToolBar;
    toolBar = new ToolBar(shell, SWT.FLAT);
    for (int i = 0; i < 3; i++) {
        ToolItem item = new ToolItem(toolBar, SWT.PUSH);
        item.setText("Item" + i);
        item.setToolTipText("ToolItem ToolTip" + i);
    }
    overrideToolBar = new ToolBar(shell, SWT.FLAT);
    for (int i = 0; i < 3; i++) {
        ToolItem item = new ToolItem(overrideToolBar, SWT.PUSH);
        item.setText("Item" + i);
        item.setToolTipText("ToolItem ToolTip" + i);
    }
    overrideToolBar.setData("name", "ToolBar");
    overrideToolBar.setData("child", "ToolBar Item");
    overrideToolBar.getAccessible().addAccessibleListener(overrideAccessibleAdapter);
    // ToolBar imageToolBar, overrideImageToolBar;
    imageToolBar = new ToolBar(shell, SWT.FLAT);
    for (int i = 0; i < 3; i++) {
        ToolItem item = new ToolItem(imageToolBar, SWT.PUSH);
        item.setImage(transparentImage);
        item.setToolTipText("Image ToolItem ToolTip" + i);
    }
    overrideImageToolBar = new ToolBar(shell, SWT.FLAT);
    for (int i = 0; i < 3; i++) {
        ToolItem item = new ToolItem(overrideImageToolBar, SWT.PUSH);
        item.setImage(transparentImage);
        item.setToolTipText("Image ToolItem ToolTip" + i);
    }
    overrideImageToolBar.setData("name", "Image ToolBar");
    overrideImageToolBar.setData("child", "Image ToolBar Item");
    overrideImageToolBar.getAccessible().addAccessibleListener(overrideAccessibleAdapter);
    // CoolBar coolBar, overrideCoolBar;
    coolBar = new CoolBar(shell, SWT.FLAT);
    for (int i = 0; i < 2; i++) {
        CoolItem coolItem = new CoolItem(coolBar, SWT.PUSH);
        ToolBar coolItemToolBar = new ToolBar(coolBar, SWT.FLAT);
        int toolItemWidth = 0;
        for (int j = 0; j < 2; j++) {
            ToolItem item = new ToolItem(coolItemToolBar, SWT.PUSH);
            item.setText("I" + i + j);
            item.setToolTipText("ToolItem ToolTip" + i + j);
            if (item.getWidth() > toolItemWidth)
                toolItemWidth = item.getWidth();
        }
        coolItem.setControl(coolItemToolBar);
        Point size = coolItemToolBar.computeSize(SWT.DEFAULT, SWT.DEFAULT);
        Point coolSize = coolItem.computeSize(size.x, size.y);
        coolItem.setMinimumSize(toolItemWidth, coolSize.y);
        coolItem.setPreferredSize(coolSize);
        coolItem.setSize(coolSize);
    }
    overrideCoolBar = new CoolBar(shell, SWT.FLAT);
    for (int i = 0; i < 2; i++) {
        CoolItem coolItem = new CoolItem(overrideCoolBar, SWT.PUSH);
        ToolBar coolItemToolBar = new ToolBar(overrideCoolBar, SWT.FLAT);
        int toolItemWidth = 0;
        for (int j = 0; j < 2; j++) {
            ToolItem item = new ToolItem(coolItemToolBar, SWT.PUSH);
            item.setText("I" + i + j);
            item.setToolTipText("ToolItem ToolTip" + i + j);
            if (item.getWidth() > toolItemWidth)
                toolItemWidth = item.getWidth();
        }
        coolItem.setControl(coolItemToolBar);
        Point size = coolItemToolBar.computeSize(SWT.DEFAULT, SWT.DEFAULT);
        Point coolSize = coolItem.computeSize(size.x, size.y);
        coolItem.setMinimumSize(toolItemWidth, coolSize.y);
        coolItem.setPreferredSize(coolSize);
        coolItem.setSize(coolSize);
    }
    overrideCoolBar.setData("name", "CoolBar");
    overrideCoolBar.setData("child", "CoolBar Item");
    overrideCoolBar.getAccessible().addAccessibleListener(overrideAccessibleAdapter);
    // Canvas canvas, overrideCanvas;
    canvas = new Canvas(shell, SWT.BORDER);
    canvas.addPaintListener(e -> e.gc.drawString("Canvas", 15, 25));
    /* Set a caret into the canvas so that it will take focus. */
    Caret caret = new Caret(canvas, SWT.NONE);
    caret.setBounds(15, 25, 2, 20);
    canvas.setCaret(caret);
    /* Hook key listener so canvas will take focus during traversal in. */
    canvas.addKeyListener(new KeyAdapter() {

        @Override
        public void keyPressed(KeyEvent e) {
            e.doit = true;
        }

        @Override
        public void keyReleased(KeyEvent e) {
            e.doit = true;
        }
    });
    /* Hook traverse listener to make canvas give up focus during traversal out. */
    canvas.addTraverseListener(e -> e.doit = true);
    overrideCanvas = new Canvas(shell, SWT.BORDER);
    overrideCanvas.addPaintListener(e -> e.gc.drawString("Canvas", 15, 25));
    /* Set a caret into the canvas so that it will take focus. */
    caret = new Caret(overrideCanvas, SWT.NONE);
    caret.setBounds(15, 25, 2, 20);
    overrideCanvas.setCaret(caret);
    /* Hook key listener so canvas will take focus during traversal in. */
    overrideCanvas.addKeyListener(new KeyAdapter() {

        @Override
        public void keyPressed(KeyEvent e) {
            e.doit = true;
        }

        @Override
        public void keyReleased(KeyEvent e) {
            e.doit = true;
        }
    });
    /* Hook traverse listener to make canvas give up focus during traversal out. */
    overrideCanvas.addTraverseListener(e -> e.doit = true);
    overrideCanvas.setData("name", "Canvas");
    overrideCanvas.getAccessible().addAccessibleListener(overrideAccessibleAdapter);
    // Composite composite, overrideComposite;
    composite = new Composite(shell, SWT.BORDER);
    composite.setLayout(new GridLayout());
    new Button(composite, SWT.RADIO).setText("Child 1");
    new Button(composite, SWT.RADIO).setText("Child 2");
    overrideComposite = new Composite(shell, SWT.BORDER);
    overrideComposite.setLayout(new GridLayout());
    new Button(overrideComposite, SWT.RADIO).setText("Child 1");
    new Button(overrideComposite, SWT.RADIO).setText("Child 2");
    overrideComposite.setData("name", "Composite");
    overrideComposite.getAccessible().addAccessibleListener(overrideAccessibleAdapter);
    // Group group, overrideGroup;
    group = new Group(shell, SWT.NONE);
    group.setText("Group");
    group.setLayout(new FillLayout());
    new Text(group, SWT.SINGLE).setText("Text in Group");
    overrideGroup = new Group(shell, SWT.NONE);
    overrideGroup.setText("Group");
    overrideGroup.setLayout(new FillLayout());
    new Text(overrideGroup, SWT.SINGLE).setText("Text in Group");
    overrideGroup.setData("name", "Group");
    overrideGroup.getAccessible().addAccessibleListener(overrideAccessibleAdapter);
    // TabFolder tabFolder, overrideTabFolder;
    tabFolder = new TabFolder(shell, SWT.NONE);
    for (int i = 0; i < 3; i++) {
        TabItem item = new TabItem(tabFolder, SWT.NONE);
        item.setText("TabItem &" + i);
        item.setToolTipText("TabItem ToolTip" + i);
        Text itemText = new Text(tabFolder, SWT.MULTI | SWT.BORDER);
        itemText.setText("\nText for TabItem " + i + "\n\n");
        item.setControl(itemText);
    }
    overrideTabFolder = new TabFolder(shell, SWT.NONE);
    for (int i = 0; i < 3; i++) {
        TabItem item = new TabItem(overrideTabFolder, SWT.NONE);
        item.setText("TabItem &" + i);
        item.setToolTipText("TabItem ToolTip" + i);
        Text itemText = new Text(overrideTabFolder, SWT.MULTI | SWT.BORDER);
        itemText.setText("\nText for TabItem " + i + "\n\n");
        item.setControl(itemText);
    }
    overrideTabFolder.setData("name", "TabFolder");
    overrideTabFolder.setData("child", "TabItem");
    overrideTabFolder.getAccessible().addAccessibleListener(overrideAccessibleAdapter);
    // CLabel cLabel, overrideCLabel;
    cLabel = new CLabel(shell, SWT.BORDER);
    cLabel.setText("CLabel");
    cLabel.setToolTipText("CLabel ToolTip");
    cLabel.setLayoutData(new GridData(100, SWT.DEFAULT));
    overrideCLabel = new CLabel(shell, SWT.BORDER);
    overrideCLabel.setText("CLabel");
    overrideCLabel.setToolTipText("CLabel ToolTip");
    overrideCLabel.setLayoutData(new GridData(100, SWT.DEFAULT));
    overrideCLabel.setData("name", "CLabel");
    overrideCLabel.getAccessible().addAccessibleListener(overrideAccessibleAdapter);
    // CCombo cCombo, overrideCCombo;
    cCombo = new CCombo(shell, SWT.BORDER);
    for (int i = 0; i < 5; i++) {
        cCombo.add("item" + i);
    }
    cCombo.setText("CCombo");
    cCombo.setToolTipText("CCombo ToolTip");
    // Note: This doesn't work well because CCombo has Control children
    overrideCCombo = new CCombo(shell, SWT.BORDER);
    for (int i = 0; i < 5; i++) {
        overrideCCombo.add("item" + i);
    }
    overrideCCombo.setText("CCombo");
    overrideCCombo.setToolTipText("CCombo ToolTip");
    overrideCCombo.setData("name", "CCombo");
    overrideCCombo.getAccessible().addAccessibleListener(overrideAccessibleAdapter);
    // CTabFolder cTabFolder, overrideCTabFolder;
    cTabFolder = new CTabFolder(shell, SWT.NONE);
    for (int i = 0; i < 3; i++) {
        CTabItem item = new CTabItem(cTabFolder, SWT.NONE);
        item.setText("CTabItem &" + i);
        item.setToolTipText("TabItem ToolTip" + i);
        Text itemText = new Text(cTabFolder, SWT.MULTI | SWT.BORDER);
        itemText.setText("\nText for CTabItem " + i + "\n\n");
        item.setControl(itemText);
    }
    cTabFolder.setSelection(cTabFolder.getItem(0));
    overrideCTabFolder = new CTabFolder(shell, SWT.NONE);
    for (int i = 0; i < 3; i++) {
        CTabItem item = new CTabItem(overrideCTabFolder, SWT.NONE);
        item.setText("CTabItem &" + i);
        item.setToolTipText("TabItem ToolTip" + i);
        Text itemText = new Text(overrideCTabFolder, SWT.MULTI | SWT.BORDER);
        itemText.setText("\nText for CTabItem " + i + "\n\n");
        item.setControl(itemText);
    }
    overrideCTabFolder.setSelection(overrideCTabFolder.getItem(0));
    overrideCTabFolder.setData("name", "CTabFolder");
    overrideCTabFolder.setData("child", "CTabItem");
    overrideCTabFolder.getAccessible().addAccessibleListener(overrideAccessibleAdapter);
    // StyledText styledText, overrideStyledText;
    styledText = new StyledText(shell, SWT.SINGLE | SWT.BORDER);
    styledText.setText("Contents of single-line StyledText");
    overrideStyledText = new StyledText(shell, SWT.SINGLE | SWT.BORDER);
    overrideStyledText.setText("Contents of single-line StyledText");
    overrideStyledText.setData("name", "StyledText");
    overrideStyledText.getAccessible().addAccessibleListener(overrideAccessibleAdapter);
    // StyledText multiLineStyledText, overrideMultiLineStyledText;
    multiLineStyledText = new StyledText(shell, SWT.MULTI | SWT.BORDER);
    multiLineStyledText.setText("Contents of multi-line StyledText\nLine 2\nLine 3\nLine 4");
    overrideMultiLineStyledText = new StyledText(shell, SWT.MULTI | SWT.BORDER);
    overrideMultiLineStyledText.setText("Contents of multi-line StyledText\nLine 2\nLine 3\nLine 4");
    overrideMultiLineStyledText.setData("name", "MultiLineStyledText");
    overrideMultiLineStyledText.getAccessible().addAccessibleListener(overrideAccessibleAdapter);
    // Scale scale, overrideScale;
    scale = new Scale(shell, SWT.NONE);
    scale.setToolTipText("Scale ToolTip");
    overrideScale = new Scale(shell, SWT.NONE);
    overrideScale.setToolTipText("Scale ToolTip");
    overrideScale.setData("name", "Scale");
    overrideScale.getAccessible().addAccessibleListener(overrideAccessibleAdapter);
    // Slider slider, overrideSlider;
    slider = new Slider(shell, SWT.NONE);
    slider.setToolTipText("Slider ToolTip");
    overrideSlider = new Slider(shell, SWT.NONE);
    overrideSlider.setToolTipText("Slider ToolTip");
    overrideSlider.setData("name", "Slider");
    overrideSlider.getAccessible().addAccessibleListener(overrideAccessibleAdapter);
    // ProgressBar progressBar, overrideProgressBar;
    if (!SWT.getPlatform().equals("cocoa")) {
        progressBar = new ProgressBar(shell, SWT.NONE);
        progressBar.setSelection(50);
        progressBar.setToolTipText("ProgressBar ToolTip");
        overrideProgressBar = new ProgressBar(shell, SWT.NONE);
        overrideProgressBar.setSelection(50);
        overrideProgressBar.setToolTipText("ProgressBar ToolTip");
        overrideProgressBar.setData("name", "ProgressBar");
        overrideProgressBar.getAccessible().addAccessibleListener(overrideAccessibleAdapter);
    }
    // Sash sash, overrideSash;
    sash = new Sash(shell, SWT.BORDER);
    sash.setToolTipText("Sash ToolTip");
    overrideSash = new Sash(shell, SWT.BORDER);
    overrideSash.setToolTipText("Sash ToolTip");
    overrideSash.setData("name", "Sash");
    overrideSash.getAccessible().addAccessibleListener(overrideAccessibleAdapter);
    // Link link, overrideLink;
    link = new Link(shell, SWT.NONE);
    link.setText("<a>This is a link</a>");
    link.setToolTipText("Link ToolTip");
    overrideLink = new Link(shell, SWT.NONE);
    overrideLink.setText("<a>This is a link</a>");
    overrideLink.setToolTipText("Link ToolTip");
    overrideLink.setData("name", "Link");
    overrideLink.getAccessible().addAccessibleListener(overrideAccessibleAdapter);
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    largeImage.dispose();
    smallImage.dispose();
    transparentImage.dispose();
    display.dispose();
}

Example 13 with Accessible

use of org.eclipse.swt.accessibility.Accessible in project eclipse.platform.swt by eclipse.

the class AccessibleActionExample method main.

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());
    shell.setText("Accessible Action Example");
    Button button = new Button(shell, SWT.PUSH);
    button.setText("Button");
    final Canvas customButton = new Canvas(shell, SWT.NONE) {

        @Override
        public Point computeSize(int wHint, int hHint, boolean changed) {
            GC gc = new GC(this);
            Point point = gc.stringExtent(buttonText);
            gc.dispose();
            point.x += MARGIN;
            point.y += MARGIN;
            return point;
        }
    };
    customButton.addPaintListener(e -> {
        Rectangle clientArea = customButton.getClientArea();
        Point stringExtent = e.gc.stringExtent(buttonText);
        int x = clientArea.x + (clientArea.width - stringExtent.x) / 2;
        int y = clientArea.y + (clientArea.height - stringExtent.y) / 2;
        e.gc.drawString(buttonText, x, y);
    });
    customButton.addMouseListener(MouseListener.mouseDownAdapter(e -> {
        int actionIndex = (e.button == 1) ? 0 : 1;
        customButtonAction(actionIndex);
    }));
    customButton.addKeyListener(new KeyAdapter() {

        @Override
        public void keyPressed(KeyEvent e) {
            int modifierKeys = e.stateMask & SWT.MODIFIER_MASK;
            if (modifierKeys == SWT.CTRL || modifierKeys == 0) {
                if (e.character == '1')
                    customButtonAction(0);
                else if (e.character == '2')
                    customButtonAction(1);
            }
        }
    });
    Accessible accessible = customButton.getAccessible();
    accessible.addAccessibleListener(new AccessibleAdapter() {

        @Override
        public void getName(AccessibleEvent e) {
            e.result = buttonText;
        }

        @Override
        public void getKeyboardShortcut(AccessibleEvent e) {
            // default action is 'action 1'
            e.result = "CTRL+1";
        }
    });
    accessible.addAccessibleControlListener(new AccessibleControlAdapter() {

        @Override
        public void getRole(AccessibleControlEvent e) {
            e.detail = ACC.ROLE_PUSHBUTTON;
        }
    });
    accessible.addAccessibleActionListener(new AccessibleActionAdapter() {

        @Override
        public void getActionCount(AccessibleActionEvent e) {
            e.count = 2;
        }

        @Override
        public void getName(AccessibleActionEvent e) {
            if (0 <= e.index && e.index <= 1) {
                if (e.localized) {
                    e.result = AccessibleActionExample.getResourceString("action" + e.index);
                } else {
                    // $NON-NLS-1$
                    e.result = "Action" + e.index;
                }
            }
        }

        @Override
        public void getDescription(AccessibleActionEvent e) {
            if (0 <= e.index && e.index <= 1) {
                e.result = AccessibleActionExample.getResourceString("action" + e.index + "description");
            }
        }

        @Override
        public void doAction(AccessibleActionEvent e) {
            if (0 <= e.index && e.index <= 1) {
                customButtonAction(e.index);
                e.result = ACC.OK;
            }
        }

        @Override
        public void getKeyBinding(AccessibleActionEvent e) {
            switch(e.index) {
                case 0:
                    e.result = "1;CTRL+1";
                    break;
                case 1:
                    e.result = "2;CTRL+2";
                    break;
                default:
                    e.result = null;
            }
        }
    });
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}