diff dwt/widgets/ProgressBar.d @ 0:380af2bdd8e5

Upload of whole dwt tree
author Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
date Sat, 09 Aug 2008 17:00:02 +0200
parents
children 649b8e223d5a
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dwt/widgets/ProgressBar.d	Sat Aug 09 17:00:02 2008 +0200
@@ -0,0 +1,222 @@
+/*******************************************************************************
+ * 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.ProgressBar;
+
+import dwt.dwthelper.utils;
+
+
+import dwt.DWT;
+import dwt.DWTException;
+import dwt.graphics.Point;
+import dwt.internal.cocoa.NSProgressIndicator;
+import dwt.internal.cocoa.NSRect;
+import dwt.internal.cocoa.SWTProgressIndicator;
+
+/**
+ * Instances of the receiver represent an unselectable
+ * user interface object that is used to display progress,
+ * typically in the form of a bar.
+ * <dl>
+ * <dt><b>Styles:</b></dt>
+ * <dd>SMOOTH, HORIZONTAL, VERTICAL, INDETERMINATE</dd>
+ * <dt><b>Events:</b></dt>
+ * <dd>(none)</dd>
+ * </dl>
+ * <p>
+ * Note: Only one of the styles HORIZONTAL and VERTICAL may be specified.
+ * </p><p>
+ * IMPORTANT: This class is intended to be subclassed <em>only</em>
+ * within the DWT implementation.
+ * </p>
+ */
+public class ProgressBar extends Control {
+    
+/**
+ * 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#SMOOTH
+ * @see DWT#HORIZONTAL
+ * @see DWT#VERTICAL
+ * @see Widget#checkSubclass
+ * @see Widget#getStyle
+ */
+public ProgressBar (Composite parent, int style) {
+    super (parent, checkStyle (style));
+}
+
+static int checkStyle (int style) {
+    style |= DWT.NO_FOCUS;
+    return checkBits (style, DWT.HORIZONTAL, DWT.VERTICAL, 0, 0, 0, 0);
+}
+
+public Point computeSize (int wHint, int hHint, bool changed) {
+    checkWidget();
+    NSProgressIndicator widget = (NSProgressIndicator)view;
+    NSRect oldRect = widget.frame();
+    widget.sizeToFit();
+    NSRect newRect = widget.frame();
+    widget.setFrame (oldRect);
+    int size = (int)newRect.height;
+    int width = 0, height = 0;
+    if ((style & DWT.HORIZONTAL) !is 0) {
+        height = size;
+        width = height * 10;
+    } else {
+        width = size;
+        height = width * 10;
+    }
+    if (wHint !is DWT.DEFAULT) width = wHint;
+    if (hHint !is DWT.DEFAULT) height = hHint;
+    return new Point (width, height);
+}
+
+void createHandle () {
+    SWTProgressIndicator widget = (SWTProgressIndicator)new SWTProgressIndicator().alloc();
+    widget.initWithFrame(new NSRect());
+    widget.setUsesThreadedAnimation(false);
+    widget.setIndeterminate((style & DWT.INDETERMINATE) !is 0);
+    if ((style & DWT.INDETERMINATE) !is 0) widget.startAnimation(null);
+    widget.setTag(jniRef);
+    view = widget;
+    parent.contentView().addSubview_(widget);
+}
+
+/**
+ * Returns the maximum value which the receiver will allow.
+ *
+ * @return the maximum
+ *
+ * @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 getMaximum () {
+    checkWidget();
+    return (int)((NSProgressIndicator)view).maxValue();
+}
+
+/**
+ * Returns the minimum value which the receiver will allow.
+ *
+ * @return the minimum
+ *
+ * @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 getMinimum () {
+    checkWidget();
+    return (int)((NSProgressIndicator)view).minValue();
+}
+
+/**
+ * Returns the single 'selection' that is the receiver's position.
+ *
+ * @return the selection
+ *
+ * @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 getSelection () {
+    checkWidget();
+    return (int)((NSProgressIndicator)view).doubleValue();
+}
+
+public int getState () {
+    checkWidget ();
+    return DWT.NORMAL;
+}
+
+/**
+ * Sets the maximum value that the receiver will allow.  This new
+ * value will be ignored if it is not greater than the receiver's current
+ * minimum value.  If the new maximum is applied then the receiver's
+ * selection value will be adjusted if necessary to fall within its new range.
+ *
+ * @param value the new maximum, which must be greater than the current minimum
+ *
+ * @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 setMaximum (int value) {
+    checkWidget();
+    if (value < 0) return;
+    ((NSProgressIndicator)view).setMaxValue(value);
+}
+
+/**
+ * Sets the minimum value that the receiver will allow.  This new
+ * value will be ignored if it is negative or is not less than the receiver's
+ * current maximum value.  If the new minimum is applied then the receiver's
+ * selection value will be adjusted if necessary to fall within its new range.
+ *
+ * @param value the new minimum, which must be nonnegative and less than the current maximum
+ *
+ * @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 setMinimum (int value) {
+    checkWidget();
+    if (value < 0) return;
+    ((NSProgressIndicator)view).setMinValue(value);
+}
+
+/**
+ * Sets the single 'selection' that is the receiver's
+ * position to the argument which must be greater than or equal
+ * to zero.
+ *
+ * @param value the new selection (must be zero or greater)
+ *
+ * @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 setSelection (int value) {
+    checkWidget();
+   ((NSProgressIndicator)view).setDoubleValue(value);
+}
+
+public void setState (int state) {
+    checkWidget ();
+    //NOT IMPLEMENTED
+}
+}