--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dwt/widgets/TrayItem.d	Sat Aug 09 17:00:02 2008 +0200
@@ -0,0 +1,453 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2007 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+module dwt.widgets.TrayItem;
+
+import dwt.dwthelper.utils;
+
+
+import dwt.DWT;
+import dwt.DWTException;
+import dwt.events.MenuDetectListener;
+import dwt.events.SelectionEvent;
+import dwt.events.SelectionListener;
+import dwt.graphics.Image;
+import dwt.graphics.Point;
+import dwt.internal.cocoa.NSEvent;
+import dwt.internal.cocoa.NSImageView;
+import dwt.internal.cocoa.NSPoint;
+import dwt.internal.cocoa.NSRect;
+import dwt.internal.cocoa.NSStatusBar;
+import dwt.internal.cocoa.NSStatusItem;
+import dwt.internal.cocoa.NSString;
+import dwt.internal.cocoa.OS;
+import dwt.internal.cocoa.SWTImageView;
+
+/**
+ * Instances of this class represent icons that can be placed on the
+ * system tray or task bar status area.
+ * <p>
+ * <dl>
+ * <dt><b>Styles:</b></dt>
+ * <dd>(none)</dd>
+ * <dt><b>Events:</b></dt>
+ * <dd>DefaultSelection, MenuDetect, Selection</dd>
+ * </dl>
+ * </p><p>
+ * IMPORTANT: This class is <em>not</em> intended to be subclassed.
+ * </p>
+ * 
+ * @since 3.0
+ */
+public class TrayItem extends Item {
+    Tray parent;
+    ToolTip toolTip;
+    String toolTipText;
+    bool visible = true, highlight;
+    NSStatusItem item;
+    NSImageView view;
+    
+    static final float BORDER = 8f;
+    
+/**
+ * Constructs a new instance of this class given its parent
+ * (which must be a <code>Tray</code>) and a style value
+ * describing its behavior and appearance. The item is added
+ * to the end of the items maintained by its parent.
+ * <p>
+ * The style value is either one of the style constants defined in
+ * class <code>DWT</code> which is applicable to instances of this
+ * class, or must be built by <em>bitwise OR</em>'ing together 
+ * (that is, using the <code>int</code> "|" operator) two or more
+ * of those <code>DWT</code> style constants. The class description
+ * lists the style constants that are applicable to the class.
+ * Style bits are also inherited from superclasses.
+ * </p>
+ *
+ * @param parent a composite control which will be the parent of the new instance (cannot be null)
+ * @param style the style of control to construct
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the parent is null</li>
+ * </ul>
+ * @exception DWTException <ul>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li>
+ *    <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li>
+ * </ul>
+ *
+ * @see DWT
+ * @see Widget#checkSubclass
+ * @see Widget#getStyle
+ */
+public TrayItem (Tray parent, int style) {
+    super (parent, style);
+    this.parent = parent;
+    parent.createItem (this, parent.getItemCount ());
+    createWidget ();
+}
+
+/**
+ * Adds the listener to the collection of listeners who will
+ * be notified when the platform-specific context menu trigger
+ * has occurred, by sending it one of the messages defined in
+ * the <code>MenuDetectListener</code> interface.
+ *
+ * @param listener the listener which should be notified
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
+ * </ul>
+ * @exception DWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see MenuDetectListener
+ * @see #removeMenuDetectListener
+ *
+ * @since 3.3
+ */
+public void addMenuDetectListener (MenuDetectListener listener) {
+    checkWidget ();
+    if (listener is null) error (DWT.ERROR_NULL_ARGUMENT);
+    TypedListener typedListener = new TypedListener (listener);
+    addListener (DWT.MenuDetect, typedListener);
+}
+
+/**
+ * Adds the listener to the collection of listeners who will
+ * be notified when the receiver is selected by the user, by sending
+ * it one of the messages defined in the <code>SelectionListener</code>
+ * interface.
+ * <p>
+ * <code>widgetSelected</code> is called when the receiver is selected
+ * <code>widgetDefaultSelected</code> is called when the receiver is double-clicked
+ * </p>
+ *
+ * @param listener the listener which should be notified when the receiver is selected by the user
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
+ * </ul>
+ * @exception DWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see SelectionListener
+ * @see #removeSelectionListener
+ * @see SelectionEvent
+ */
+public void addSelectionListener(SelectionListener listener) {
+    checkWidget ();
+    if (listener is null) error (DWT.ERROR_NULL_ARGUMENT);
+    TypedListener typedListener = new TypedListener (listener);
+    addListener (DWT.Selection,typedListener);
+    addListener (DWT.DefaultSelection,typedListener);
+}
+
+protected void checkSubclass () {
+    if (!isValidSubclass ()) error (DWT.ERROR_INVALID_SUBCLASS);
+}
+
+void createWidget () {
+    NSStatusBar statusBar = NSStatusBar.systemStatusBar();
+    item = statusBar.statusItemWithLength(0);
+    if (item is null) error (DWT.ERROR_NO_HANDLES);
+    item.retain();
+    item.setHighlightMode(true);    
+    NSRect rect = new NSRect();
+    view = (NSImageView)new SWTImageView().alloc();
+    if (view is null) error (DWT.ERROR_NO_HANDLES);
+    view.initWithFrame(rect);
+    item.setView(view);
+    createJNIRef();
+    view.setTag(jniRef);
+}
+
+void destroyWidget () {
+    parent.destroyItem (this);
+    releaseHandle ();
+}
+
+Point getLocation () {
+    NSRect rect = view.frame();
+    NSRect windowRect = view.window().frame();
+    NSPoint pt = new NSPoint();
+    pt.x = rect.width / 2;
+    pt.y = rect.height;
+    pt = view.convertPoint_fromView_(pt, null);
+    pt.x += windowRect.x;
+    return new Point ((int)pt.x, (int)pt.y);
+}
+
+/**
+ * Returns the receiver's parent, which must be a <code>Tray</code>.
+ *
+ * @return the receiver's parent
+ *
+ * @exception DWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ * 
+ * @since 3.2
+ */
+public Tray getParent () {
+    checkWidget ();
+    return parent;
+}
+
+/**
+ * Returns the receiver's tool tip, or null if it has
+ * not been set.
+ *
+ * @return the receiver's tool tip text
+ *
+ * @exception DWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ * 
+ * @since 3.2
+ */
+public ToolTip getToolTip () {
+    checkWidget ();
+    return toolTip;
+}
+
+/**
+ * Returns the receiver's tool tip text, or null if it has
+ * not been set.
+ *
+ * @return the receiver's tool tip text
+ *
+ * @exception DWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public String getToolTipText () {
+    checkWidget ();
+    return toolTipText;
+}
+
+/**
+ * Returns <code>true</code> if the receiver is visible and 
+ * <code>false</code> otherwise.
+ *
+ * @return the receiver's visibility
+ *
+ * @exception DWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public bool getVisible () {
+    checkWidget ();
+    return visible;
+}
+
+void releaseHandle () {
+    super.releaseHandle ();
+    parent = null;
+    if (item !is null) item.release();
+    if (view !is null) {
+        view.setTag(-1);
+        view.release();
+    }
+    item = null;
+    view = null;
+}
+
+void releaseWidget () {
+    super.releaseWidget ();
+    NSStatusBar statusBar = NSStatusBar.systemStatusBar();
+    statusBar.removeStatusItem(item);
+}
+
+/**
+ * Removes the listener from the collection of listeners who will
+ * be notified when the platform-specific context menu trigger has
+ * occurred.
+ *
+ * @param listener the listener which should no longer be notified
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
+ * </ul>
+ * @exception DWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see MenuDetectListener
+ * @see #addMenuDetectListener
+ *
+ * @since 3.3
+ */
+public void removeMenuDetectListener (MenuDetectListener listener) {
+    checkWidget ();
+    if (listener is null) error (DWT.ERROR_NULL_ARGUMENT);
+    if (eventTable is null) return;
+    eventTable.unhook (DWT.MenuDetect, listener);
+}
+
+/**
+ * Removes the listener from the collection of listeners who will
+ * be notified when the receiver is selected by the user.
+ *
+ * @param listener the listener which should no longer be notified
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
+ * </ul>
+ * @exception DWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see SelectionListener
+ * @see #addSelectionListener
+ */
+public void removeSelectionListener (SelectionListener listener) {
+    checkWidget ();
+    if (listener is null) error (DWT.ERROR_NULL_ARGUMENT);
+    if (eventTable is null) return;
+    eventTable.unhook (DWT.Selection, listener);
+    eventTable.unhook (DWT.DefaultSelection,listener);  
+}
+
+/**
+ * Sets the receiver's image.
+ *
+ * @param image the new image
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_INVALID_ARGUMENT - if the image has been disposed</li>
+ * </ul>
+ * @exception DWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public void setImage (Image image) {
+    checkWidget ();
+    if (image !is null && image.isDisposed ()) error (DWT.ERROR_INVALID_ARGUMENT);
+    super.setImage (image);
+    view.setImage(image !is null ? image.handle : null);
+    float width = image !is null && visible ? image.handle.size().width + BORDER : 0;
+    item.setLength(width);
+}
+
+/**
+ * Sets the receiver's tool tip to the argument, which
+ * may be null indicating that no tool tip should be shown.
+ *
+ * @param toolTip the new tool tip (or null)
+ *
+ * @exception DWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ * 
+ * @since 3.2
+ */
+public void setToolTip (ToolTip toolTip) {
+    checkWidget ();
+    ToolTip oldTip = this.toolTip, newTip = toolTip;
+    if (oldTip !is null) oldTip.item = null;
+    this.toolTip = newTip;
+    if (newTip !is null) newTip.item = this;
+}
+
+/**
+ * Sets the receiver's tool tip text to the argument, which
+ * may be null indicating that no tool tip text should be shown.
+ *
+ * @param value the new tool tip text (or null)
+ *
+ * @exception DWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public void setToolTipText (String string) {
+    checkWidget ();
+    toolTipText = string;
+    _setToolTipText (string);
+}
+
+void _setToolTipText (String string) {
+    NSString str = null;
+    if (string !is null) str = NSString.stringWith(string);
+    view.setToolTip(str);
+}
+
+/**
+ * Makes the receiver visible if the argument is <code>true</code>,
+ * and makes it invisible otherwise. 
+ *
+ * @param visible the new visibility state
+ *
+ * @exception DWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public void setVisible (bool visible) {
+    checkWidget ();
+    if (this.visible is visible) return;
+    if (visible) {
+        sendEvent (DWT.Show);
+        if (isDisposed ()) return;
+    }
+    this.visible = visible;
+    float width = image !is null && visible ? image.handle.size().width + BORDER : 0;
+    item.setLength(width);
+    if (!visible) sendEvent (DWT.Hide);
+}
+
+void showMenu () {
+    _setToolTipText (null);
+    sendEvent (DWT.MenuDetect);
+    if (isDisposed ()) return;
+//  display.runPopups ();
+    if (isDisposed ()) return;
+    _setToolTipText (toolTipText);
+}
+
+void mouseDown(int event) {
+    NSEvent nsEvent = new NSEvent(event);
+    int mask = nsEvent.modifierFlags() & OS.NSDeviceIndependentModifierFlagsMask;
+    if (mask is OS.NSControlKeyMask) {
+        showMenu();
+    } else {
+        highlight = true;
+        view.setNeedsDisplay(true);
+        int clickCount = nsEvent.clickCount();
+        postEvent(clickCount is 2 ? DWT.DefaultSelection : DWT.Selection);
+    }
+}
+
+void mouseUp(int event) {
+    highlight = false;
+    view.setNeedsDisplay(true);
+}
+
+void rightMouseDown(int event) {
+    showMenu();
+}
+
+void drawRect(int id, NSRect rect) {
+    item.drawStatusBarBackgroundInRect(rect, highlight);
+    super.drawRect(id, rect);
+}
+}