Mercurial > projects > dwt-mac
diff dwt/widgets/ProgressBar.d @ 0:380af2bdd8e5
Upload of whole dwt tree
author | Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> |
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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 +} +}