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Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/carbon/org/eclipse/swt/widgets/ProgressBar.java')
-rw-r--r--bundles/org.eclipse.swt/Eclipse SWT/carbon/org/eclipse/swt/widgets/ProgressBar.java269
1 files changed, 269 insertions, 0 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/carbon/org/eclipse/swt/widgets/ProgressBar.java b/bundles/org.eclipse.swt/Eclipse SWT/carbon/org/eclipse/swt/widgets/ProgressBar.java
new file mode 100644
index 0000000000..83e0d247b0
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+++ b/bundles/org.eclipse.swt/Eclipse SWT/carbon/org/eclipse/swt/widgets/ProgressBar.java
@@ -0,0 +1,269 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2009 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
+ *******************************************************************************/
+package org.eclipse.swt.widgets;
+
+
+import org.eclipse.swt.graphics.Point;
+import org.eclipse.swt.internal.carbon.OS;
+
+import org.eclipse.swt.*;
+
+/**
+ * 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 SWT implementation.
+ * </p>
+ *
+ * @see <a href="http://www.eclipse.org/swt/snippets/#progressbar">ProgressBar snippets</a>
+ * @see <a href="http://www.eclipse.org/swt/examples.php">SWT Example: ControlExample</a>
+ * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
+ * @noextend This class is not intended to be subclassed by clients.
+ */
+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>SWT</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>SWT</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 SWTException <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 SWT#SMOOTH
+ * @see SWT#HORIZONTAL
+ * @see SWT#VERTICAL
+ * @see SWT#INDETERMINATE
+ * @see Widget#checkSubclass
+ * @see Widget#getStyle
+ */
+public ProgressBar (Composite parent, int style) {
+ super (parent, checkStyle (style));
+}
+
+static int checkStyle (int style) {
+ style |= SWT.NO_FOCUS;
+ return checkBits (style, SWT.HORIZONTAL, SWT.VERTICAL, 0, 0, 0, 0);
+}
+
+public Point computeSize (int wHint, int hHint, boolean changed) {
+ checkWidget();
+ int [] outMetric = new int [1];
+ OS.GetThemeMetric (OS.kThemeMetricNormalProgressBarThickness, outMetric);
+ int width = 0, height = 0;
+ if ((style & SWT.HORIZONTAL) != 0) {
+ height = outMetric [0];
+ width = height * 10;
+ } else {
+ width = outMetric [0];
+ height = width * 10;
+ }
+ if (wHint != SWT.DEFAULT) width = wHint;
+ if (hHint != SWT.DEFAULT) height = hHint;
+ return new Point (width, height);
+}
+
+void createHandle () {
+ int [] outControl = new int [1];
+ int window = OS.GetControlOwner (parent.handle);
+ OS.CreateProgressBarControl (window, null, 0, 0, 100, (style & SWT.INDETERMINATE) != 0, outControl);
+ if (outControl [0] == 0) error (SWT.ERROR_NO_HANDLES);
+ handle = outControl [0];
+}
+
+void drawBackground (int control, int context) {
+ fillBackground (control, context, null);
+}
+
+/**
+ * Returns the maximum value which the receiver will allow.
+ *
+ * @return the maximum
+ *
+ * @exception SWTException <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 OS.GetControl32BitMaximum (handle);
+}
+
+/**
+ * Returns the minimum value which the receiver will allow.
+ *
+ * @return the minimum
+ *
+ * @exception SWTException <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 OS.GetControl32BitMinimum (handle);
+}
+
+/**
+ * Returns the single 'selection' that is the receiver's position.
+ *
+ * @return the selection
+ *
+ * @exception SWTException <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 OS.GetControl32BitValue (handle);
+}
+
+/**
+ * Returns the state of the receiver. The value will be one of:
+ * <ul>
+ * <li>{@link SWT#NORMAL}</li>
+ * <li>{@link SWT#ERROR}</li>
+ * <li>{@link SWT#PAUSED}</li>
+ * </ul>
+ *
+ * @return the state
+ *
+ * @exception SWTException <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 int getState () {
+ checkWidget ();
+ return SWT.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 SWTException <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;
+ int minimum = OS.GetControl32BitMinimum (handle);
+ if (value > minimum) {
+ OS.SetControl32BitMaximum (handle, 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 SWTException <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;
+ int maximum = OS.GetControl32BitMaximum (handle);
+ if (value < maximum) {
+ OS.SetControl32BitMinimum (handle, 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 SWTException <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();
+ OS.SetControl32BitValue (handle, value);
+ /*
+ * Feature in the Macintosh. Progress bars are always updated
+ * using an event loop timer, even when they are not indeterminate.
+ * This means that nothing is drawn until the event loop. The
+ * fix is to allow operating system timers to run without dispatching
+ * any other events.
+ */
+ display.runEventLoopTimers ();
+}
+
+/**
+ * Sets the state of the receiver. The state must be one of these values:
+ * <ul>
+ * <li>{@link SWT#NORMAL}</li>
+ * <li>{@link SWT#ERROR}</li>
+ * <li>{@link SWT#PAUSED}</li>
+ * </ul>
+ *
+ * @param state the new state
+ *
+ * @exception SWTException <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 setState (int state) {
+ checkWidget ();
+ //NOT IMPLEMENTED
+}
+}

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