--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dwt/widgets/DateTime.d	Sat Aug 09 17:00:02 2008 +0200
@@ -0,0 +1,533 @@
+/*******************************************************************************
+ * 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.DateTime;
+
+import dwt.dwthelper.utils;
+
+import dwt.DWT;
+import dwt.DWTException;
+import dwt.events.SelectionEvent;
+import dwt.events.SelectionListener;
+import dwt.graphics.Point;
+import dwt.internal.cocoa.NSCalendarDate;
+import dwt.internal.cocoa.NSColor;
+import dwt.internal.cocoa.NSControl;
+import dwt.internal.cocoa.NSDate;
+import dwt.internal.cocoa.NSDatePicker;
+import dwt.internal.cocoa.NSRect;
+import dwt.internal.cocoa.OS;
+import dwt.internal.cocoa.SWTDatePicker;
+
+/**
+ * Instances of this class are selectable user interface
+ * objects that allow the user to enter and modify date
+ * or time values.
+ * <p>
+ * Note that although this class is a subclass of <code>Composite</code>,
+ * it does not make sense to add children to it, or set a layout on it.
+ * </p>
+ * <dl>
+ * <dt><b>Styles:</b></dt>
+ * <dd>DATE, TIME, CALENDAR, SHORT, MEDIUM, LONG</dd>
+ * <dt><b>Events:</b></dt>
+ * <dd>Selection</dd>
+ * </dl>
+ * <p>
+ * Note: Only one of the styles DATE, TIME, or CALENDAR may be specified,
+ * and only one of the styles SHORT, MEDIUM, or LONG may be specified.
+ * </p><p>
+ * IMPORTANT: This class is <em>not</em> intended to be subclassed.
+ * </p>
+ *
+ * @since 3.3
+ */
+public class DateTime extends Composite {
+
+/**
+ * Constructs a new instance of this class given its parent
+ * and a style value describing its behavior and appearance.
+ * <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#DATE
+ * @see DWT#TIME
+ * @see DWT#CALENDAR
+ * @see Widget#checkSubclass
+ * @see Widget#getStyle
+ */
+public DateTime (Composite parent, int style) {
+    super (parent, checkStyle (style));
+}
+
+static int checkStyle (int style) {
+    /*
+    * Even though it is legal to create this widget
+    * with scroll bars, they serve no useful purpose
+    * because they do not automatically scroll the
+    * widget's client area.  The fix is to clear
+    * the DWT style.
+    */
+    style &= ~(DWT.H_SCROLL | DWT.V_SCROLL);
+    style = checkBits (style, DWT.MEDIUM, DWT.SHORT, DWT.LONG, 0, 0, 0);
+    return checkBits (style, DWT.DATE, DWT.TIME, DWT.CALENDAR, 0, 0, 0);
+}
+
+protected void checkSubclass () {
+    if (!isValidSubclass ()) error (DWT.ERROR_INVALID_SUBCLASS);
+}
+
+/**
+ * Adds the listener to the collection of listeners who will
+ * be notified when the control 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 user changes the control's value.
+ * <code>widgetDefaultSelected</code> is not called.
+ * </p>
+ *
+ * @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 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);
+}
+
+public Point computeSize (int wHint, int hHint, bool changed) {
+    checkWidget ();
+    int width = 0, height = 0;
+    NSControl widget = (NSControl)view;
+    NSRect oldRect = widget.frame();
+    widget.sizeToFit();
+    NSRect newRect = widget.frame();
+    widget.setFrame (oldRect);
+    width = (int)newRect.width;
+    height = (int)newRect.height;
+    if (width is 0) width = DEFAULT_WIDTH;
+    if (height is 0) height = DEFAULT_HEIGHT;
+    if (wHint !is DWT.DEFAULT) width = wHint;
+    if (hHint !is DWT.DEFAULT) height = hHint;
+    int border = getBorderWidth ();
+    width += border * 2; height += border * 2;
+    return new Point (width, height);
+}
+
+void createHandle () {
+    NSDatePicker widget = (NSDatePicker)new SWTDatePicker().alloc();
+    widget.initWithFrame(new NSRect());
+    int pickerStyle = OS.NSTextFieldAndStepperDatePickerStyle;
+    int elementFlags = 0;
+    if ((style & DWT.CALENDAR) !is 0) {
+        pickerStyle = OS.NSClockAndCalendarDatePickerStyle;
+        elementFlags = OS.NSYearMonthDayDatePickerElementFlag;
+    } else {
+        if ((style & DWT.TIME) !is 0) {
+            elementFlags = (style & DWT.SHORT) !is 0 ? OS.NSHourMinuteDatePickerElementFlag : OS.NSHourMinuteSecondDatePickerElementFlag;
+        }
+        if ((style & DWT.DATE) !is 0) {
+            elementFlags = (style & DWT.SHORT) !is 0 ? OS.NSYearMonthDatePickerElementFlag : OS.NSYearMonthDayDatePickerElementFlag;
+        }
+    }
+    widget.setDrawsBackground(true);
+    widget.setDatePickerStyle(pickerStyle);
+    widget.setDatePickerElements(elementFlags);
+    NSDate date = NSCalendarDate.calendarDate();
+    widget.setDateValue(date);
+    widget.setTarget(widget);
+    widget.setAction(OS.sel_sendSelection);
+    widget.setTag(jniRef);
+    view = widget;  
+    parent.contentView().addSubview_(widget);
+}
+
+/**
+ * Returns the receiver's date, or day of the month.
+ * <p>
+ * The first day of the month is 1, and the last day depends on the month and year.
+ * </p>
+ *
+ * @return a positive integer beginning with 1
+ *
+ * @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 int getDay () {
+    checkWidget ();
+    NSDate date = ((NSDatePicker)view).dateValue();
+    NSCalendarDate calendarDate = date.dateWithCalendarFormat(null, null);
+    return calendarDate.dayOfMonth();
+}
+
+/**
+ * Returns the receiver's hours.
+ * <p>
+ * Hours is an integer between 0 and 23.
+ * </p>
+ *
+ * @return an integer between 0 and 23
+ *
+ * @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 int getHours () {
+    checkWidget ();
+    return new NSCalendarDate(((NSDatePicker)view).dateValue().id).hourOfDay();
+}
+
+/**
+ * Returns the receiver's minutes.
+ * <p>
+ * Minutes is an integer between 0 and 59.
+ * </p>
+ *
+ * @return an integer between 0 and 59
+ *
+ * @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 int getMinutes () {
+    checkWidget ();
+    return new NSCalendarDate(((NSDatePicker)view).dateValue().id).minuteOfHour();
+}
+
+/**
+ * Returns the receiver's month.
+ * <p>
+ * The first month of the year is 0, and the last month is 11.
+ * </p>
+ *
+ * @return an integer between 0 and 11
+ *
+ * @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 int getMonth () {
+    checkWidget ();
+    return new NSCalendarDate(((NSDatePicker)view).dateValue().id).monthOfYear() - 1;
+}
+
+String getNameText() {
+    return (style & DWT.TIME) !is 0 ? getHours() + ":" + getMinutes() + ":" + getSeconds()
+            : (getMonth() + 1) + "/" + getDay() + "/" + getYear();
+}
+
+/**
+ * Returns the receiver's seconds.
+ * <p>
+ * Seconds is an integer between 0 and 59.
+ * </p>
+ *
+ * @return an integer between 0 and 59
+ *
+ * @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 int getSeconds () {
+    checkWidget ();
+    return new NSCalendarDate(((NSDatePicker)view).dateValue().id).secondOfMinute();
+}
+
+/**
+ * Returns the receiver's year.
+ * <p>
+ * The first year is 1752 and the last year is 9999.
+ * </p>
+ *
+ * @return an integer between 1752 and 9999
+ *
+ * @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 int getYear () {
+    checkWidget ();
+    return new NSCalendarDate(((NSDatePicker)view).dateValue().id).yearOfCommonEra();
+}
+
+/**
+ * Removes the listener from the collection of listeners who will
+ * be notified when the control 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); 
+}
+
+void sendSelection () {
+    postEvent (DWT.Selection);
+}
+
+void setBackground (float [] color) {
+    NSColor nsColor;
+    if (color is null) {
+        return; // TODO reset to OS default
+    } else {
+        nsColor = NSColor.colorWithDeviceRed(color[0], color[1], color[2], 1);
+    }
+    ((NSDatePicker)view).setBackgroundColor(nsColor);
+}
+
+/**
+ * Sets the receiver's year, month, and day in a single operation.
+ * <p>
+ * This is the recommended way to set the date, because setting the year,
+ * month, and day separately may result in invalid intermediate dates.
+ * </p>
+ *
+ * @param year an integer between 1752 and 9999
+ * @param month an integer between 0 and 11
+ * @param day a positive integer beginning with 1
+ *
+ * @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 3.4
+ */
+public void setDate (int year, int month, int day) {
+    checkWidget ();
+    NSCalendarDate date = new NSCalendarDate(((NSDatePicker)view).dateValue().id);
+    NSCalendarDate newDate = NSCalendarDate.dateWithYear(year, month + 1, day,
+            date.hourOfDay(), date.minuteOfHour(), date.secondOfMinute(), date.timeZone());
+    if (newDate.yearOfCommonEra() is year && newDate.monthOfYear() is month + 1 && newDate.dayOfMonth() is day) {
+        ((NSDatePicker)view).setDateValue(newDate);
+    }
+}
+
+/**
+ * Sets the receiver's date, or day of the month, to the specified day.
+ * <p>
+ * The first day of the month is 1, and the last day depends on the month and year.
+ * </p>
+ *
+ * @param day a positive integer beginning with 1
+ *
+ * @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 setDay (int day) {
+    checkWidget ();
+    NSCalendarDate date = new NSCalendarDate(((NSDatePicker)view).dateValue().id);
+    NSCalendarDate newDate = NSCalendarDate.dateWithYear(date.yearOfCommonEra(), date.monthOfYear(), day,
+            date.hourOfDay(), date.minuteOfHour(), date.secondOfMinute(), date.timeZone());
+    if (newDate.yearOfCommonEra() is date.yearOfCommonEra() && newDate.monthOfYear() is date.monthOfYear() && newDate.dayOfMonth() is day) {
+        ((NSDatePicker)view).setDateValue(newDate);
+    }
+}
+
+void setForeground (float [] color) {
+    NSColor nsColor;
+    if (color is null) {
+        return; // TODO reset to OS default
+    } else {
+        nsColor = NSColor.colorWithDeviceRed(color[0], color[1], color[2], 1);
+    }
+    ((NSDatePicker)view).setTextColor(nsColor);
+}
+
+/**
+ * Sets the receiver's hours.
+ * <p>
+ * Hours is an integer between 0 and 23.
+ * </p>
+ *
+ * @param hours an integer between 0 and 23
+ *
+ * @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 setHours (int hours) {
+    checkWidget ();
+    if (hours < 0 || hours > 23) return;
+    NSCalendarDate date = new NSCalendarDate(((NSDatePicker)view).dateValue().id);
+    NSCalendarDate newDate = NSCalendarDate.dateWithYear(date.yearOfCommonEra(), date.monthOfYear(), date.dayOfMonth(),
+            hours, date.minuteOfHour(), date.secondOfMinute(), date.timeZone());
+    ((NSDatePicker)view).setDateValue(newDate);
+}
+
+/**
+ * Sets the receiver's minutes.
+ * <p>
+ * Minutes is an integer between 0 and 59.
+ * </p>
+ *
+ * @param minutes an integer between 0 and 59
+ *
+ * @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 setMinutes (int minutes) {
+    checkWidget ();
+    if (minutes < 0 || minutes > 59) return;
+    NSCalendarDate date = new NSCalendarDate(((NSDatePicker)view).dateValue().id);
+    NSCalendarDate newDate = NSCalendarDate.dateWithYear(date.yearOfCommonEra(), date.monthOfYear(), date.dayOfMonth(),
+            date.hourOfDay(), minutes, date.secondOfMinute(), date.timeZone());
+    ((NSDatePicker)view).setDateValue(newDate);
+}
+
+/**
+ * Sets the receiver's month.
+ * <p>
+ * The first month of the year is 0, and the last month is 11.
+ * </p>
+ *
+ * @param month an integer between 0 and 11
+ *
+ * @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 setMonth (int month) {
+    checkWidget ();
+    NSCalendarDate date = new NSCalendarDate(((NSDatePicker)view).dateValue().id);
+    NSCalendarDate newDate = NSCalendarDate.dateWithYear(date.yearOfCommonEra(), month + 1, date.dayOfMonth(),
+            date.hourOfDay(), date.minuteOfHour(), date.secondOfMinute(), date.timeZone());
+    if (newDate.yearOfCommonEra() is date.yearOfCommonEra() && newDate.monthOfYear() is month + 1 && newDate.dayOfMonth() is date.dayOfMonth()) {
+        ((NSDatePicker)view).setDateValue(newDate);
+    }
+}
+
+/**
+ * Sets the receiver's seconds.
+ * <p>
+ * Seconds is an integer between 0 and 59.
+ * </p>
+ *
+ * @param seconds an integer between 0 and 59
+ *
+ * @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 setSeconds (int seconds) {
+    checkWidget ();
+    if (seconds < 0 || seconds > 59) return;
+    NSCalendarDate date = new NSCalendarDate(((NSDatePicker)view).dateValue().id);
+    NSCalendarDate newDate = NSCalendarDate.dateWithYear(date.yearOfCommonEra(), date.monthOfYear(), date.dayOfMonth(),
+            date.hourOfDay(), date.minuteOfHour(), seconds, date.timeZone());
+    ((NSDatePicker)view).setDateValue(newDate);
+}
+
+/**
+ * Sets the receiver's hours, minutes, and seconds in a single operation.
+ *
+ * @param hours an integer between 0 and 23
+ * @param minutes an integer between 0 and 59
+ * @param seconds an integer between 0 and 59
+ *
+ * @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 3.4
+ */
+public void setTime (int hours, int minutes, int seconds) {
+    checkWidget ();
+    if (hours < 0 || hours > 23 || minutes < 0 || minutes > 59 || seconds < 0 || seconds > 59) return;
+    NSCalendarDate date = new NSCalendarDate(((NSDatePicker)view).dateValue().id);
+    NSCalendarDate newDate = NSCalendarDate.dateWithYear(date.yearOfCommonEra(), date.monthOfYear(), date.dayOfMonth(),
+            hours, minutes, seconds, date.timeZone());
+    ((NSDatePicker)view).setDateValue(newDate);
+}
+
+/**
+ * Sets the receiver's year.
+ * <p>
+ * The first year is 1752 and the last year is 9999.
+ * </p>
+ *
+ * @param year an integer between 1752 and 9999
+ *
+ * @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 setYear (int year) {
+    checkWidget ();
+    NSCalendarDate date = new NSCalendarDate(((NSDatePicker)view).dateValue().id);
+    NSCalendarDate newDate = NSCalendarDate.dateWithYear(year, date.monthOfYear(), date.dayOfMonth(),
+            date.hourOfDay(), date.minuteOfHour(), date.secondOfMinute(), date.timeZone());
+    if (newDate.yearOfCommonEra() is year && newDate.monthOfYear() is date.monthOfYear() && newDate.dayOfMonth() is date.dayOfMonth()) {
+        ((NSDatePicker)view).setDateValue(newDate);
+    }
+}
+}