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Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/motif/org/eclipse/swt/widgets/Scale.java')
-rwxr-xr-xbundles/org.eclipse.swt/Eclipse SWT/motif/org/eclipse/swt/widgets/Scale.java586
1 files changed, 293 insertions, 293 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/motif/org/eclipse/swt/widgets/Scale.java b/bundles/org.eclipse.swt/Eclipse SWT/motif/org/eclipse/swt/widgets/Scale.java
index 2c8baea84f..b346ac3429 100755
--- a/bundles/org.eclipse.swt/Eclipse SWT/motif/org/eclipse/swt/widgets/Scale.java
+++ b/bundles/org.eclipse.swt/Eclipse SWT/motif/org/eclipse/swt/widgets/Scale.java
@@ -1,17 +1,17 @@
-package org.eclipse.swt.widgets;
-
-/*
+package org.eclipse.swt.widgets;
+
+/*
* Copyright (c) 2000, 2002 IBM Corp. All rights reserved.
* This file is made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/cpl-v10.html
- */
-
-import org.eclipse.swt.internal.motif.*;
-import org.eclipse.swt.*;
-import org.eclipse.swt.events.*;
-import org.eclipse.swt.graphics.*;
-
+ * http://www.eclipse.org/legal/cpl-v10.html
+ */
+
+import org.eclipse.swt.internal.motif.*;
+import org.eclipse.swt.*;
+import org.eclipse.swt.events.*;
+import org.eclipse.swt.graphics.*;
+
/**
* Instances of the receiver represent a selectable user
* interface object that present a range of continuous
@@ -30,7 +30,7 @@ import org.eclipse.swt.graphics.*;
* within the SWT implementation.
* </p>
*/
-public class Scale extends Control {
+public class Scale extends Control {
/**
* Constructs a new instance of this class given its parent
* and a style value describing its behavior and appearance.
@@ -60,296 +60,296 @@ public class Scale extends Control {
* @see Widget#checkSubclass
* @see Widget#getStyle
*/
-public Scale (Composite parent, int style) {
- super (parent, checkStyle (style));
-}
-
-/**
- * Adds the listener to the collection of listeners who will
- * be notified when the receiver's value changes, by sending
- * it one of the messages defined in the <code>SelectionListener</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 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>
- *
- * @see SelectionListener
- * @see #removeSelectionListener
+public Scale (Composite parent, int style) {
+ super (parent, checkStyle (style));
+}
+
+/**
+ * Adds the listener to the collection of listeners who will
+ * be notified when the receiver's value changes, by sending
+ * it one of the messages defined in the <code>SelectionListener</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 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>
+ *
+ * @see SelectionListener
+ * @see #removeSelectionListener
*/
-public void addSelectionListener(SelectionListener listener) {
- checkWidget();
- if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
- TypedListener typedListener = new TypedListener(listener);
- addListener(SWT.Selection,typedListener);
- addListener(SWT.DefaultSelection,typedListener);
-}
-static int checkStyle (int style) {
- return checkBits (style, SWT.HORIZONTAL, SWT.VERTICAL, 0, 0, 0, 0);
-}
-public Point computeSize (int wHint, int hHint, boolean changed) {
- checkWidget();
- int border = getBorderWidth ();
- int width = border * 2, height = border * 2;
- Display display = getDisplay ();
- int hScroll = display.scrolledMarginX;
- int vScroll = display.scrolledMarginY;
- if ((style & SWT.HORIZONTAL) != 0) {
- width += hScroll * 10;
- height += vScroll;
- } else {
- width += hScroll;
- height += vScroll * 10;
- }
- if (wHint != SWT.DEFAULT) width = wHint + (border * 2);
- if (hHint != SWT.DEFAULT) height = hHint + (border * 2);
- return new Point (width, height);
-}
-void createHandle (int index) {
- state |= HANDLE;
- int [] argList = {
- OS.XmNtitleString, 0,
- OS.XmNborderWidth, (style & SWT.BORDER) != 0 ? 1 : 0,
- OS.XmNorientation, ((style & SWT.H_SCROLL) != 0) ? OS.XmHORIZONTAL : OS.XmVERTICAL,
- OS.XmNprocessingDirection, ((style & SWT.H_SCROLL) != 0) ? OS.XmMAX_ON_RIGHT : OS.XmMAX_ON_BOTTOM,
- OS.XmNancestorSensitive, 1,
- };
- int parentHandle = parent.handle;
- handle = OS.XmCreateScale (parentHandle, null, argList, argList.length / 2);
- if (handle == 0) error (SWT.ERROR_NO_HANDLES);
-}
-/**
- * Returns the amount that the receiver's value will be
- * modified by when the up/down (or right/left) arrows
- * are pressed.
- *
- * @return the increment
- *
- * @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 addSelectionListener(SelectionListener listener) {
+ checkWidget();
+ if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
+ TypedListener typedListener = new TypedListener(listener);
+ addListener(SWT.Selection,typedListener);
+ addListener(SWT.DefaultSelection,typedListener);
+}
+static int checkStyle (int style) {
+ return checkBits (style, SWT.HORIZONTAL, SWT.VERTICAL, 0, 0, 0, 0);
+}
+public Point computeSize (int wHint, int hHint, boolean changed) {
+ checkWidget();
+ int border = getBorderWidth ();
+ int width = border * 2, height = border * 2;
+ Display display = getDisplay ();
+ int hScroll = display.scrolledMarginX;
+ int vScroll = display.scrolledMarginY;
+ if ((style & SWT.HORIZONTAL) != 0) {
+ width += hScroll * 10;
+ height += vScroll;
+ } else {
+ width += hScroll;
+ height += vScroll * 10;
+ }
+ if (wHint != SWT.DEFAULT) width = wHint + (border * 2);
+ if (hHint != SWT.DEFAULT) height = hHint + (border * 2);
+ return new Point (width, height);
+}
+void createHandle (int index) {
+ state |= HANDLE;
+ int [] argList = {
+ OS.XmNtitleString, 0,
+ OS.XmNborderWidth, (style & SWT.BORDER) != 0 ? 1 : 0,
+ OS.XmNorientation, ((style & SWT.H_SCROLL) != 0) ? OS.XmHORIZONTAL : OS.XmVERTICAL,
+ OS.XmNprocessingDirection, ((style & SWT.H_SCROLL) != 0) ? OS.XmMAX_ON_RIGHT : OS.XmMAX_ON_BOTTOM,
+ OS.XmNancestorSensitive, 1,
+ };
+ int parentHandle = parent.handle;
+ handle = OS.XmCreateScale (parentHandle, null, argList, argList.length / 2);
+ if (handle == 0) error (SWT.ERROR_NO_HANDLES);
+}
+/**
+ * Returns the amount that the receiver's value will be
+ * modified by when the up/down (or right/left) arrows
+ * are pressed.
+ *
+ * @return the increment
+ *
+ * @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 getIncrement () {
- checkWidget();
- return 1;
-}
-/**
- * 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 getIncrement () {
+ checkWidget();
+ return 1;
+}
+/**
+ * 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();
- int [] argList = {OS.XmNmaximum, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- return argList [1];
-}
-/**
- * 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 getMaximum () {
+ checkWidget();
+ int [] argList = {OS.XmNmaximum, 0};
+ OS.XtGetValues (handle, argList, argList.length / 2);
+ return argList [1];
+}
+/**
+ * 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();
- int [] argList = {OS.XmNminimum, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- return argList [1];
-}
-/**
- * Returns the amount that the receiver's value will be
- * modified by when the page increment/decrement areas
- * are selected.
- *
- * @return the page increment
- *
- * @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();
+ int [] argList = {OS.XmNminimum, 0};
+ OS.XtGetValues (handle, argList, argList.length / 2);
+ return argList [1];
+}
+/**
+ * Returns the amount that the receiver's value will be
+ * modified by when the page increment/decrement areas
+ * are selected.
+ *
+ * @return the page increment
+ *
+ * @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 getPageIncrement () {
- checkWidget();
- int [] argList = {OS.XmNscaleMultiple, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- return argList [1];
-}
-/**
- * Returns the single <em>selection</em> 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 getPageIncrement () {
+ checkWidget();
+ int [] argList = {OS.XmNscaleMultiple, 0};
+ OS.XtGetValues (handle, argList, argList.length / 2);
+ return argList [1];
+}
+/**
+ * Returns the single <em>selection</em> 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();
- int [] argList = {OS.XmNvalue, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- return argList [1];
-}
-void hookEvents () {
- super.hookEvents ();
- int windowProc = getDisplay ().windowProc;
- OS.XtAddCallback (handle, OS.XmNvalueChangedCallback, windowProc, VALUE_CHANGED_CALLBACK);
- OS.XtAddCallback (handle, OS.XmNdragCallback, windowProc, DRAG_CALLBACK);
-}
-void overrideTranslations () {
- Display display = getDisplay ();
- OS.XtOverrideTranslations (handle, display.tabTranslations);
-}
-/**
- * Removes the listener from the collection of listeners who will
- * be notified when the receiver's value changes.
- *
- * @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 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>
- *
- * @see SelectionListener
- * @see #addSelectionListener
+public int getSelection () {
+ checkWidget();
+ int [] argList = {OS.XmNvalue, 0};
+ OS.XtGetValues (handle, argList, argList.length / 2);
+ return argList [1];
+}
+void hookEvents () {
+ super.hookEvents ();
+ int windowProc = getDisplay ().windowProc;
+ OS.XtAddCallback (handle, OS.XmNvalueChangedCallback, windowProc, VALUE_CHANGED_CALLBACK);
+ OS.XtAddCallback (handle, OS.XmNdragCallback, windowProc, DRAG_CALLBACK);
+}
+void overrideTranslations () {
+ Display display = getDisplay ();
+ OS.XtOverrideTranslations (handle, display.tabTranslations);
+}
+/**
+ * Removes the listener from the collection of listeners who will
+ * be notified when the receiver's value changes.
+ *
+ * @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 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>
+ *
+ * @see SelectionListener
+ * @see #addSelectionListener
*/
-public void removeSelectionListener(SelectionListener listener) {
- checkWidget();
- if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
- if (eventTable == null) return;
- eventTable.unhook(SWT.Selection, listener);
- eventTable.unhook(SWT.DefaultSelection,listener);
-}
-/**
- * Sets the amount that the receiver's value will be
- * modified by when the up/down (or right/left) arrows
- * are pressed to the argument, which must be at least
- * one.
- *
- * @param value the new increment (must be greater than zero)
- *
- * @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 removeSelectionListener(SelectionListener listener) {
+ checkWidget();
+ if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
+ if (eventTable == null) return;
+ eventTable.unhook(SWT.Selection, listener);
+ eventTable.unhook(SWT.DefaultSelection,listener);
+}
+/**
+ * Sets the amount that the receiver's value will be
+ * modified by when the up/down (or right/left) arrows
+ * are pressed to the argument, which must be at least
+ * one.
+ *
+ * @param value the new increment (must be greater than zero)
+ *
+ * @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 setIncrement (int increment) {
- checkWidget();
-}
-/**
- * Sets the maximum value which the receiver will allow
- * to be the argument which must be greater than or
- * equal to zero.
- *
- * @param value the new maximum (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 setIncrement (int increment) {
+ checkWidget();
+}
+/**
+ * Sets the maximum value which the receiver will allow
+ * to be the argument which must be greater than or
+ * equal to zero.
+ *
+ * @param value the new maximum (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 setMaximum (int value) {
- checkWidget();
- if (value < 0) return;
- int [] argList = {OS.XmNmaximum, value};
- Display display = getDisplay ();
- boolean warnings = display.getWarnings ();
- display.setWarnings (false);
- OS.XtSetValues (handle, argList, argList.length / 2);
- display.setWarnings (warnings);
-}
-/**
- * Sets the minimum value which the receiver will allow
- * to be the argument which must be greater than or
- * equal to zero.
- *
- * @param value the new minimum (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 setMaximum (int value) {
+ checkWidget();
+ if (value < 0) return;
+ int [] argList = {OS.XmNmaximum, value};
+ Display display = getDisplay ();
+ boolean warnings = display.getWarnings ();
+ display.setWarnings (false);
+ OS.XtSetValues (handle, argList, argList.length / 2);
+ display.setWarnings (warnings);
+}
+/**
+ * Sets the minimum value which the receiver will allow
+ * to be the argument which must be greater than or
+ * equal to zero.
+ *
+ * @param value the new minimum (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 setMinimum (int value) {
- checkWidget();
- if (value < 0) return;
- int [] argList = {OS.XmNminimum, value};
- Display display = getDisplay ();
- boolean warnings = display.getWarnings ();
- display.setWarnings (false);
- OS.XtSetValues (handle, argList, argList.length / 2);
- display.setWarnings (warnings);
-}
-/**
- * Sets the amount that the receiver's value will be
- * modified by when the page increment/decrement areas
- * are selected to the argument, which must be at least
- * one.
- *
- * @return the page increment (must be greater than zero)
- *
- * @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 [] argList = {OS.XmNminimum, value};
+ Display display = getDisplay ();
+ boolean warnings = display.getWarnings ();
+ display.setWarnings (false);
+ OS.XtSetValues (handle, argList, argList.length / 2);
+ display.setWarnings (warnings);
+}
+/**
+ * Sets the amount that the receiver's value will be
+ * modified by when the page increment/decrement areas
+ * are selected to the argument, which must be at least
+ * one.
+ *
+ * @return the page increment (must be greater than zero)
+ *
+ * @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 setPageIncrement (int pageIncrement) {
- checkWidget();
- if (pageIncrement < 1) return;
- int [] argList = {OS.XmNscaleMultiple, pageIncrement};
- Display display = getDisplay ();
- boolean warnings = display.getWarnings ();
- display.setWarnings (false);
- OS.XtSetValues (handle, argList, argList.length / 2);
- display.setWarnings (warnings);
-}
-/**
- * Sets the single <em>selection</em> that is the receiver's
- * value 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 setPageIncrement (int pageIncrement) {
+ checkWidget();
+ if (pageIncrement < 1) return;
+ int [] argList = {OS.XmNscaleMultiple, pageIncrement};
+ Display display = getDisplay ();
+ boolean warnings = display.getWarnings ();
+ display.setWarnings (false);
+ OS.XtSetValues (handle, argList, argList.length / 2);
+ display.setWarnings (warnings);
+}
+/**
+ * Sets the single <em>selection</em> that is the receiver's
+ * value 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 selection) {
- checkWidget();
- int [] argList = {OS.XmNvalue, selection};
- Display display = getDisplay ();
- boolean warnings = display.getWarnings ();
- display.setWarnings (false);
- OS.XtSetValues (handle, argList, argList.length / 2);
- display.setWarnings (warnings);
-}
-int XmNdragCallback (int w, int client_data, int call_data) {
- postEvent (SWT.Selection);
- return 0;
-}
-int XmNvalueChangedCallback (int w, int client_data, int call_data) {
- postEvent (SWT.Selection);
- return 0;
-}
-}
+public void setSelection (int selection) {
+ checkWidget();
+ int [] argList = {OS.XmNvalue, selection};
+ Display display = getDisplay ();
+ boolean warnings = display.getWarnings ();
+ display.setWarnings (false);
+ OS.XtSetValues (handle, argList, argList.length / 2);
+ display.setWarnings (warnings);
+}
+int XmNdragCallback (int w, int client_data, int call_data) {
+ postEvent (SWT.Selection);
+ return 0;
+}
+int XmNvalueChangedCallback (int w, int client_data, int call_data) {
+ postEvent (SWT.Selection);
+ return 0;
+}
+}

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