diff options
Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/motif/org/eclipse/swt/widgets/List.java')
| -rwxr-xr-x | bundles/org.eclipse.swt/Eclipse SWT/motif/org/eclipse/swt/widgets/List.java | 1508 |
1 files changed, 0 insertions, 1508 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/motif/org/eclipse/swt/widgets/List.java b/bundles/org.eclipse.swt/Eclipse SWT/motif/org/eclipse/swt/widgets/List.java deleted file mode 100755 index a5c5d32319..0000000000 --- a/bundles/org.eclipse.swt/Eclipse SWT/motif/org/eclipse/swt/widgets/List.java +++ /dev/null @@ -1,1508 +0,0 @@ -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.*;
-import org.eclipse.swt.internal.motif.*;
-import org.eclipse.swt.*;
-import org.eclipse.swt.graphics.*;
-import org.eclipse.swt.events.*;
-
-
-/**
- * Instances of this class represent a selectable user interface
- * object that displays a list of strings and issues notificiation
- * when a string selected. A list may be single or multi select.
- * <p>
- * <dl>
- * <dt><b>Styles:</b></dt>
- * <dd>SINGLE, MULTI</dd>
- * <dt><b>Events:</b></dt>
- * <dd>Selection, DefaultSelection</dd>
- * </dl>
- * <p>
- * Note: Only one of SINGLE and MULTI may be specified.
- * </p><p>
- * IMPORTANT: This class is <em>not</em> intended to be subclassed.
- * </p>
- */ -public class List extends Scrollable {
-/** - * 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#SINGLE - * @see SWT#MULTI - * @see Widget#checkSubclass - * @see Widget#getStyle - */ -public List (Composite parent, int style) {
- /*
- * Feature in Motif. It is not possible to create
- * scrolled list that will never show the vertical
- * scroll bar. Therefore, not matter what style
- * bits are specified, set the V_SCROLL bits to
- * match the widget Motif creates.
- */ - super (parent, checkStyle (style | SWT.V_SCROLL));
-}
-/**
- * Adds the argument to the end of the receiver's list.
- *
- * @param string the new item
- *
- * @exception IllegalArgumentException <ul>
- * <li>ERROR_NULL_ARGUMENT - if the string 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>
- * @exception SWTError <ul>
- * <li>ERROR_ITEM_NOT_ADDED - if the operation fails because of an operating system failure</li>
- * </ul>
- *
- * @see #add(String,int)
- */ -public void add (String string) {
- checkWidget();
- if (string == null) error (SWT.ERROR_NULL_ARGUMENT);
- byte [] buffer = Converter.wcsToMbcs (getCodePage (), string, true);
- int xmString = OS.XmStringCreateLocalized (buffer);
- if (xmString == 0) error (SWT.ERROR_ITEM_NOT_ADDED);
- OS.XmListAddItemUnselected (handle, xmString, 0);
- OS.XmStringFree (xmString);
-}
-/**
- * Adds the argument to the receiver's list at the given
- * zero-relative index.
- * <p>
- * Note: To add an item at the end of the list, use the
- * result of calling <code>getItemCount()</code> as the
- * index or use <code>add(String)</code>.
- * </p>
- *
- * @param string the new item
- * @param index the index for the item
- *
- * @exception IllegalArgumentException <ul>
- * <li>ERROR_NULL_ARGUMENT - if the string is null</li>
- * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list (inclusive)</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>
- * @exception SWTError <ul>
- * <li>ERROR_ITEM_NOT_ADDED - if the operation fails because of an operating system failure</li>
- * </ul>
- *
- * @see #add(String)
- */ -public void add (String string, int index) {
- checkWidget();
- if (string == null) error (SWT.ERROR_NULL_ARGUMENT);
- if (index == -1) error (SWT.ERROR_INVALID_RANGE);
- /*
- * Feature in Motif. When an index is out of range,
- * the list widget adds the item at the end. This
- * behavior is not wrong but it is unwanted. The
- * fix is to check the range before adding the item.
- */
- int [] argList = {OS.XmNitemCount, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- if (!(0 <= index && index <= argList [1])) {
- error (SWT.ERROR_INVALID_RANGE);
- }
- byte [] buffer = Converter.wcsToMbcs (getCodePage (), string, true);
- int xmString = OS.XmStringCreateLocalized (buffer);
- if (xmString == 0) error (SWT.ERROR_ITEM_NOT_ADDED);
- OS.XmListAddItemUnselected (handle, xmString, index + 1);
- OS.XmStringFree (xmString);
-}
-/**
- * Adds the listener to the collection of listeners who will
- * be notified when the receiver's selection changes, by sending
- * it one of the messages defined in the <code>SelectionListener</code>
- * interface.
- * <p>
- * <code>widgetSelected</code> is called when the selection changes.
- * <code>widgetDefaultSelected</code> is typically called when an item is double-clicked.
- * </p>
- *
- * @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
- * @see SelectionEvent
- */ -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.SINGLE, SWT.MULTI, 0, 0, 0, 0);
-}
-public Point computeSize (int wHint, int hHint, boolean changed) {
- checkWidget();
- XtWidgetGeometry result = new XtWidgetGeometry ();
- result.request_mode = OS.CWWidth;
- OS.XtQueryGeometry (handle, null, result);
- int width = result.width, height = 0;
- if (wHint != SWT.DEFAULT) width = wHint;
- if (hHint != SWT.DEFAULT) height = hHint;
- if (hHint == SWT.DEFAULT || wHint == SWT.DEFAULT) {
- int [] argList = {OS.XmNitemCount, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- int count = argList [1];
- if (hHint == SWT.DEFAULT) {
- if (count == 0) {
- height = DEFAULT_HEIGHT;
- } else {
- height = getItemHeight () * count;
- }
- }
- if (wHint == SWT.DEFAULT && count == 0) {
- width = DEFAULT_WIDTH;
- }
- }
- Rectangle rect = computeTrim (0, 0, width, height);
- return new Point (rect.width, rect.height);
-}
-public Rectangle computeTrim (int x, int y, int width, int height) {
- checkWidget();
- Display display = getDisplay ();
- int border = getBorderWidth ();
- int trimX = x - border;
- int trimY = y - border;
- int trimWidth = width + (border * 2);
- int trimHeight = height + (border * 2);
- if (horizontalBar != null) {
- int [] argList = {OS.XmNheight, 0};
- OS.XtGetValues (horizontalBar.handle, argList, argList.length / 2);
- /*
- * Motif adds four pixels between the bottom of the
- * list and the horizontal scroll bar. Add those now.
- */ - trimHeight += argList [1] + 4;
- trimY -= display.scrolledInsetY;
- if (verticalBar != null) {
- trimX -= display.scrolledInsetX;
- }
- }
- if (verticalBar != null) {
- int [] argList = {OS.XmNwidth, 0};
- OS.XtGetValues (verticalBar.handle, argList, argList.length / 2);
- trimWidth += argList [1];
- trimX -= display.scrolledInsetX;
- if (horizontalBar != null) {
- trimY -= display.scrolledInsetY;
- }
- }
- int [] argList = {
- OS.XmNhighlightThickness, 0, /* 1 */
- OS.XmNshadowThickness, 0, /* 3 */
- OS.XmNlistMarginWidth, 0, /* 5 */
- OS.XmNlistMarginHeight, 0 /* 7 */
- };
- OS.XtGetValues (handle, argList, argList.length / 2);
- int thickness = argList [1] + (argList [3] * 2);
- trimWidth += thickness + argList [5] + 1;
- trimHeight += thickness + argList [7] + 1;
- trimX -= argList [1] + argList [3] + argList [5];
- trimY -= argList [1] + argList [3] + argList [7];
- return new Rectangle (trimX, trimY, trimWidth, trimHeight);
-}
-void createHandle (int index) {
- state |= HANDLE;
-
- /*
- * Feature in Motif. When items are added or removed
- * from a list, it may request and be granted, a new
- * preferred size. This behavior is unwanted. The fix
- * is to create a parent for the list that will disallow
- * geometry requests.
- */
- int parentHandle = parent.handle;
- int [] argList1 = {OS.XmNancestorSensitive, 1};
- formHandle = OS.XmCreateForm (parentHandle, null, argList1, argList1.length / 2);
- if (formHandle == 0) error (SWT.ERROR_NO_HANDLES);
- int selectionPolicy = OS.XmBROWSE_SELECT, listSizePolicy = OS.XmCONSTANT;
- if ((style & SWT.MULTI) != 0) {
- selectionPolicy = OS.XmEXTENDED_SELECT;
- if ((style & SWT.SIMPLE) != 0) selectionPolicy = OS.XmMULTIPLE_SELECT;
- }
- if ((style & SWT.H_SCROLL) == 0) listSizePolicy = OS.XmVARIABLE;
- int [] argList2 = {
- OS.XmNlistSizePolicy, listSizePolicy,
- OS.XmNselectionPolicy, selectionPolicy,
- OS.XmNtopAttachment, OS.XmATTACH_FORM,
- OS.XmNbottomAttachment, OS.XmATTACH_FORM,
- OS.XmNleftAttachment, OS.XmATTACH_FORM,
- OS.XmNrightAttachment, OS.XmATTACH_FORM,
- OS.XmNresizable, 0,
-// OS.XmNmatchBehavior, OS.XmNONE,
- };
- if ((style & (SWT.H_SCROLL | SWT.V_SCROLL)) == 0) {
- handle = OS.XmCreateList (formHandle, null, argList2, argList2.length / 2);
- if (handle == 0) error (SWT.ERROR_NO_HANDLES);
- } else {
- handle = OS.XmCreateScrolledList (formHandle, new byte [0], argList2, argList2.length / 2);
- if (handle == 0) error (SWT.ERROR_NO_HANDLES);
- scrolledHandle = OS.XtParent (handle);
- }
-}
-ScrollBar createScrollBar (int type) {
- return createStandardBar (type);
-}
-int defaultBackground () {
- return getDisplay ().listBackground;
-}
-Font defaultFont () {
- return getDisplay ().listFont;
-}
-int defaultForeground () {
- return getDisplay ().listForeground;
-}
-/**
- * Deselects the item at the given zero-relative index in the receiver.
- * If the item at the index was already deselected, it remains
- * deselected. Indices that are out of range are ignored.
- *
- * @param index the index of the item to deselect
- *
- * @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 deselect (int index) {
- checkWidget();
- /*
- * Note: We rely on the fact that XmListDeselectPos ()
- * fails silently when the indices are out of range.
- */
- if (index != -1) OS.XmListDeselectPos (handle, index + 1);
-}
-/**
- * Deselects the items at the given zero-relative indices in the receiver.
- * If the item at the given zero-relative index in the receiver
- * is selected, it is deselected. If the item at the index
- * was not selected, it remains deselected. The range of the
- * indices is inclusive. Indices that are out of range are ignored.
- *
- * @param start the start index of the items to deselect
- * @param end the end index of the items to deselect
- *
- * @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 deselect (int start, int end) {
- checkWidget();
- if (start > end) return;
- /*
- * Note: We rely on the fact that XmListDeselectPos ()
- * fails silently when the indices are out of range.
- */
- for (int i=start; i<=end; i++) {
- int index = i + 1;
- if (index != 0) OS.XmListDeselectPos (handle, index);
- }
-}
-/**
- * Deselects the items at the given zero-relative indices in the receiver.
- * If the item at the given zero-relative index in the receiver
- * is selected, it is deselected. If the item at the index
- * was not selected, it remains deselected. Indices that are out
- * of range and duplicate indices are ignored.
- *
- * @param indices the array of indices for the items to deselect
- *
- * @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>
- */ -public void deselect (int [] indices) {
- checkWidget();
- if (indices == null) error (SWT.ERROR_NULL_ARGUMENT);
- /*
- * Note: We rely on the fact that XmListDeselectPos ()
- * fails silently when the indices are out of range.
- */
- for (int i=0; i<indices.length; i++) {
- int index = indices [i] + 1;
- if (index != 0) OS.XmListDeselectPos (handle, index);
- }
-}
-/**
- * Deselects all selected items in the receiver.
- *
- * @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 deselectAll () {
- checkWidget();
- OS.XmListDeselectAllItems (handle);
-}
-/**
- * Returns the zero-relative index of the item which is currently
- * has the focus in the receiver, or -1 if no item is has focus.
- *
- * @return the index of the selected item
- *
- * @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 getFocusIndex () {
- checkWidget();
- return OS.XmListGetKbdItemPos (handle) - 1;
-}
-/**
- * Returns the item at the given, zero-relative index in the
- * receiver. Throws an exception if the index is out of range.
- *
- * @param index the index of the item to return
- * @return the item at the given index
- *
- * @exception IllegalArgumentException <ul>
- * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</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>
- * @exception SWTError <ul>
- * <li>ERROR_CANNOT_GET_ITEM - if the operation fails because of an operating system failure</li>
- * </ul>
- */ -public String getItem (int index) {
- checkWidget();
- int [] argList = {OS.XmNitemCount, 0, OS.XmNitems, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- if (!(0 <= index && index < argList [1])) {
- error (SWT.ERROR_INVALID_RANGE);
- }
- if (argList [3] == 0) error (SWT.ERROR_CANNOT_GET_ITEM);
- int ptr = argList [3] + (index * 4);
- int [] buffer1 = new int [1];
- OS.memmove (buffer1, ptr, 4);
- ptr = buffer1 [0];
- int address = OS.XmStringUnparse (
- ptr,
- null,
- OS.XmCHARSET_TEXT,
- OS.XmCHARSET_TEXT,
- null,
- 0,
- OS.XmOUTPUT_ALL);
- if (address == 0) error (SWT.ERROR_CANNOT_GET_ITEM);
- int length = OS.strlen (address);
- byte [] buffer = new byte [length];
- OS.memmove (buffer, address, length);
- OS.XtFree (address);
- return new String (Converter.mbcsToWcs (getCodePage (), buffer));
-}
-/**
- * Returns the number of items contained in the receiver.
- *
- * @return the number of items
- *
- * @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>
- * @exception SWTError <ul>
- * <li>ERROR_CANNOT_GET_COUNT - if the operation fails because of an operating system failure</li>
- * </ul>
- */ -public int getItemCount () {
- checkWidget();
- int [] argList = {OS.XmNitemCount, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- return argList [1];
-}
-/**
- * Returns the height of the area which would be used to
- * display <em>one</em> of the items in the tree.
- *
- * @return the height of one item
- *
- * @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>
- * @exception SWTError <ul>
- * <li>ERROR_CANNOT_GET_ITEM_HEIGHT - if the operation fails because of an operating system failure</li>
- * </ul>
- */ -public int getItemHeight () {
- checkWidget();
- int [] argList = {
- OS.XmNlistSpacing, 0,
- OS.XmNhighlightThickness, 0,
- };
- OS.XtGetValues (handle, argList, argList.length / 2);
- int spacing = argList [1], highlight = argList [3];
-
- /* Result is from empirical analysis on Linux and AIX */
- return getFontHeight () + spacing + highlight + 1;
-}
-/**
- * Returns an array of <code>String</code>s which are the items
- * in the receiver.
- * <p>
- * Note: This is not the actual structure used by the receiver
- * to maintain its list of items, so modifying the array will
- * not affect the receiver.
- * </p>
- *
- * @return the items in the receiver's list
- *
- * @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>
- * @exception SWTError <ul>
- * <li>ERROR_CANNOT_GET_ITEM - if the operation fails because of an operating system failure while getting an item</li>
- * <li>ERROR_CANNOT_GET_COUNT - if the operation fails because of an operating system failure while getting the item count</li>
- * </ul>
- */ -public String [] getItems () {
- checkWidget();
- int [] argList = {OS.XmNitems, 0, OS.XmNitemCount, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- int items = argList [1], itemCount = argList [3];
- int [] buffer1 = new int [1];
- String [] result = new String [itemCount];
- String codePage = getCodePage ();
- for (int i=0; i<itemCount; i++) {
- OS.memmove (buffer1, items, 4);
- int ptr = buffer1 [0];
- int address = OS.XmStringUnparse (
- ptr,
- null,
- OS.XmCHARSET_TEXT,
- OS.XmCHARSET_TEXT,
- null,
- 0,
- OS.XmOUTPUT_ALL);
- if (address == 0) error (SWT.ERROR_CANNOT_GET_ITEM);
- int length = OS.strlen (address);
- byte [] buffer = new byte [length];
- OS.memmove (buffer, address, length);
- OS.XtFree (address);
- result[i] = new String (Converter.mbcsToWcs (codePage, buffer));
- items += 4;
- }
- return result;
-}
-/**
- * Returns an array of <code>String</code>s that are currently
- * selected in the receiver. An empty array indicates that no
- * items are selected.
- * <p>
- * Note: This is not the actual structure used by the receiver
- * to maintain its selection, so modifying the array will
- * not affect the receiver.
- * </p>
- * @return an array representing 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>
- * @exception SWTError <ul>
- * <li>ERROR_CANNOT_GET_SELECTION - if the operation fails because of an operating system failure while getting the selection</li>
- * <li>ERROR_CANNOT_GET_ITEM - if the operation fails because of an operating system failure while getting an item</li>
- * </ul>
- */ -public String [] getSelection () {
- checkWidget();
- int [] argList = {OS.XmNselectedItems, 0, OS.XmNselectedItemCount, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- int items = argList [1], itemCount = argList [3];
- int [] buffer1 = new int [1];
- String [] result = new String [itemCount];
- String codePage = getCodePage ();
- for (int i=0; i<itemCount; i++) {
- OS.memmove (buffer1, items, 4);
- int ptr = buffer1 [0];
- int address = OS.XmStringUnparse (
- ptr,
- null,
- OS.XmCHARSET_TEXT,
- OS.XmCHARSET_TEXT,
- null,
- 0,
- OS.XmOUTPUT_ALL);
- if (address == 0) error (SWT.ERROR_CANNOT_GET_ITEM);
- int length = OS.strlen (address);
- byte [] buffer = new byte [length];
- OS.memmove (buffer, address, length);
- OS.XtFree (address);
- result[i] = new String (Converter.mbcsToWcs (codePage, buffer));
- items += 4;
- }
- return result;
-}
-/**
- * Returns the number of selected items contained in the receiver.
- *
- * @return the number of selected items
- *
- * @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>
- * @exception SWTError <ul>
- * <li>ERROR_CANNOT_GET_COUNT - if the operation fails because of an operating system failure</li>
- * </ul>
- */ -public int getSelectionCount () {
- checkWidget();
- int [] argList = {OS.XmNselectedItemCount, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- return argList [1];
-}
-/**
- * Returns the zero-relative index of the item which is currently
- * selected in the receiver, or -1 if no item is selected.
- *
- * @return the index of the selected item
- *
- * @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>
- * @exception SWTError <ul>
- * <li>ERROR_CANNOT_GET_SELECTION - if the operation fails because of an operating system failure</li>
- * </ul>
- */ -public int getSelectionIndex () {
- checkWidget();
- int index = OS.XmListGetKbdItemPos (handle);
- if (OS.XmListPosSelected (handle, index)) return index - 1;
- int [] count = new int [1], positions = new int [1];
- if (!OS.XmListGetSelectedPos (handle, positions, count)) return -1;
- if (count [0] == 0) return -1;
- int address = positions [0];
- int [] indices = new int [1];
- OS.memmove (indices, address, 4);
- OS.XtFree (address);
- return indices [0] - 1;
-}
-/**
- * Returns the zero-relative indices of the items which are currently
- * selected in the receiver. The array is empty if no items are selected.
- * <p>
- * Note: This is not the actual structure used by the receiver
- * to maintain its selection, so modifying the array will
- * not affect the receiver.
- * </p>
- * @return the array of indices of the selected items
- *
- * @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>
- * @exception SWTError <ul>
- * <li>ERROR_CANNOT_GET_SELECTION - if the operation fails because of an operating system failure</li>
- * </ul>
- */ -public int [] getSelectionIndices () {
- checkWidget();
- int [] count = new int [1], positions = new int [1];
- OS.XmListGetSelectedPos (handle, positions, count);
- int [] result = new int [count [0]];
- OS.memmove (result, positions [0], count [0] * 4);
- if (positions [0] != 0) OS.XtFree (positions [0]);
- for (int i=0; i<result.length; i++) --result [i];
- return result;
-}
-/**
- * Returns the zero-relative index of the item which is currently
- * at the top of the receiver. This index can change when items are
- * scrolled or new items are added or removed.
- *
- * @return the index of the top item
- *
- * @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 getTopIndex () {
- checkWidget();
- int [] argList = {OS.XmNtopItemPosition, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- return argList [1] - 1;
-}
-void hookEvents () {
- super.hookEvents ();
- int windowProc = getDisplay ().windowProc;
- OS.XtAddCallback (handle, OS.XmNbrowseSelectionCallback, windowProc, SWT.Selection);
- OS.XtAddCallback (handle, OS.XmNextendedSelectionCallback, windowProc, SWT.Selection);
- OS.XtAddCallback (handle, OS.XmNdefaultActionCallback, windowProc, SWT.DefaultSelection);
-}
-/**
- * Gets the index of an item.
- * <p>
- * The list is searched starting at 0 until an
- * item is found that is equal to the search item.
- * If no item is found, -1 is returned. Indexing
- * is zero based.
- *
- * @param string the search item
- * @return the index of the item
- *
- * @exception IllegalArgumentException <ul>
- * <li>ERROR_NULL_ARGUMENT - if the string 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>
- */ -public int indexOf (String string) {
- checkWidget();
- if (string == null) error (SWT.ERROR_NULL_ARGUMENT);
- byte [] buffer = Converter.wcsToMbcs (getCodePage (), string, true);
- int xmString = OS.XmStringCreateLocalized (buffer);
- if (xmString == 0) return -1;
- int index = OS.XmListItemPos (handle, xmString);
- OS.XmStringFree (xmString);
- return index - 1;
-}
-/**
- * Searches the receiver's list starting at the given,
- * zero-relative index until an item is found that is equal
- * to the argument, and returns the index of that item. If
- * no item is found or the starting index is out of range,
- * returns -1.
- *
- * @param string the search item
- * @return the index of the item
- *
- * @exception IllegalArgumentException <ul>
- * <li>ERROR_NULL_ARGUMENT - if the string 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>
- * @exception SWTError <ul>
- * <li>ERROR_CANNOT_GET_COUNT - if the operation fails because of an operating system failure while getting the item count</li>
- * <li>ERROR_CANNOT_GET_ITEM - if the operation fails because of an operating system failure while getting an item</li>
- * </ul>
- */ -public int indexOf (String string, int start) {
- checkWidget();
- if (string == null) error (SWT.ERROR_NULL_ARGUMENT);
- int [] argList = {OS.XmNitems, 0, OS.XmNitemCount, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- int items = argList [1], itemCount = argList [3];
- if (!((0 <= start) && (start < itemCount))) return -1;
- byte [] buffer1 = Converter.wcsToMbcs (getCodePage (), string, true);
- int xmString = OS.XmStringCreateLocalized (buffer1);
- if (xmString == 0) return -1;
- int index = start;
- items += start * 4;
- int [] buffer2 = new int [1];
- while (index < itemCount) {
- OS.memmove (buffer2, items, 4);
- if (OS.XmStringCompare (buffer2 [0], xmString)) break;
- items += 4; index++;
- }
- OS.XmStringFree (xmString);
- if (index == itemCount) return -1;
- return index;
-}
-/**
- * Returns <code>true</code> if the item is selected,
- * and <code>false</code> otherwise. Indices out of
- * range are ignored.
- *
- * @param index the index of the item
- * @return the visibility state of the item at the index
- *
- * @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 boolean isSelected (int index) {
- checkWidget();
- if (index == -1) return false;
- return OS.XmListPosSelected (handle, index + 1);
-}
-void overrideTranslations () {
- Display display = getDisplay ();
- OS.XtOverrideTranslations (handle, display.tabTranslations);
-}
-/**
- * Removes the item from the receiver at the given
- * zero-relative index.
- *
- * @param index the index for the item
- *
- * @exception IllegalArgumentException <ul>
- * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</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>
- * @exception SWTError <ul>
- * <li>ERROR_ITEM_NOT_REMOVED - if the operation fails because of an operating system failure</li>
- * </ul>
- */ -public void remove (int index) {
- checkWidget();
- if (index == -1) error (SWT.ERROR_INVALID_RANGE);
- /*
- * Feature in Motif. An index out of range handled
- * correctly by the list widget but causes an unwanted
- * Xm Warning. The fix is to check the range before
- * deleting an item.
- */
- int [] argList = {OS.XmNitemCount, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- if (!(0 <= index && index < argList [1])) {
- error (SWT.ERROR_INVALID_RANGE);
- }
- OS.XmListDeletePos (handle, index + 1);
-}
-/**
- * Removes the items from the receiver which are
- * between the given zero-relative start and end
- * indices (inclusive).
- *
- * @param start the start of the range
- * @param end the end of the range
- *
- * @exception IllegalArgumentException <ul>
- * <li>ERROR_INVALID_RANGE - if either the start or end are not between 0 and the number of elements in the list minus 1 (inclusive)</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>
- * @exception SWTError <ul>
- * <li>ERROR_ITEM_NOT_REMOVED - if the operation fails because of an operating system failure</li>
- * </ul>
- */ -public void remove (int start, int end) {
- checkWidget();
- if (start > end) return;
- int count = end - start + 1;
- /*
- * Feature in Motif. An index out of range is handled
- * correctly by the list widget but causes an unwanted
- * Xm warning. The fix is to check the range before
- * deleting an item.
- */
- int [] argList = {OS.XmNitemCount, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- if (!(0 <= start && start < argList [1])) {
- error (SWT.ERROR_INVALID_RANGE);
- }
- OS.XmListDeleteItemsPos (handle, count, start + 1);
- if (end >= argList [1]) error (SWT.ERROR_INVALID_RANGE);
-}
-/**
- * Searches the receiver's list starting at the first item
- * until an item is found that is equal to the argument,
- * and removes that item from the list.
- *
- * @param string the item to remove
- *
- * @exception IllegalArgumentException <ul>
- * <li>ERROR_NULL_ARGUMENT - if the string is null</li>
- * <li>ERROR_INVALID_ARGUMENT - if the string is not found in the list</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>
- * @exception SWTError <ul>
- * <li>ERROR_ITEM_NOT_REMOVED - if the operation fails because of an operating system failure</li>
- * </ul>
- */ -public void remove (String string) {
- checkWidget();
- if (string == null) error (SWT.ERROR_NULL_ARGUMENT);
- byte [] buffer = Converter.wcsToMbcs (getCodePage (), string, true);
- int xmString = OS.XmStringCreateLocalized (buffer);
- if (xmString == 0) error (SWT.ERROR_ITEM_NOT_REMOVED);
- int index = OS.XmListItemPos (handle, xmString);
- OS.XmStringFree (xmString);
- if (index == 0) error (SWT.ERROR_INVALID_ARGUMENT);
- OS.XmListDeletePos (handle, index);
-}
-/**
- * Removes the items from the receiver at the given
- * zero-relative indices.
- *
- * @param indices the array of indices of the items
- *
- * @exception IllegalArgumentException <ul>
- * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</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>
- * @exception SWTError <ul>
- * <li>ERROR_ITEM_NOT_REMOVED - if the operation fails because of an operating system failure</li>
- * </ul>
- */ -public void remove (int [] indices) {
- checkWidget();
- if (indices == null) error (SWT.ERROR_NULL_ARGUMENT);
- /*
- * Feature in Motif. An index out of range handled
- * correctly by the list widget but causes an unwanted
- * Xm Warning. The fix is to check the range before
- * deleting an item.
- */
- int [] argList = {OS.XmNitemCount, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- int length = 0, count = argList [1];
- int [] newIndices = new int [indices.length];
- for (int i=0; i<indices.length; i++) {
- int index = indices [i];
- if (!(0 <= index && index < count)) break;
- newIndices [length++] = index + 1;
- }
- OS.XmListDeletePositions (handle, newIndices, length);
- if (length < indices.length) error (SWT.ERROR_INVALID_RANGE);
-}
-/**
- * Removes all of the items from the receiver.
- * <p>
- * @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 removeAll () {
- checkWidget();
- OS.XmListDeselectAllItems (handle);
- OS.XmListDeleteAllItems (handle);
- /*
- * Bug in AIX. When all list items are deleted
- * from a scrolled list that is currently showing a
- * horizontal scroll bar, the horizontal scroll bar
- * is hidden, but the list does not grow to take up
- * the space once occupied by the bar. The fix is
- * of force a resize of the list.
- */
- if ((style & SWT.H_SCROLL) != 0) OS.XtResizeWindow (handle);
-}
-/**
- * Removes the listener from the collection of listeners who will
- * be notified when the receiver's selection 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);
-}
-/**
- * Selects the item at the given zero-relative index in the receiver's
- * list. If the item at the index was already selected, it remains
- * selected. Indices that are out of range are ignored.
- *
- * @param index the index of the item to select
- *
- * @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 select (int index) {
- checkWidget();
- if (index == -1) return;
- if (OS.XmListPosSelected (handle, index + 1)) return;
- /*
- * Feature in MOTIF. The X/MOTIF 1.2 spec says that XmListSelectPos ()
- * in a XmEXTENDED_SELECT list widget will add the index to the selected
- * indices. The observed behavior does not match the spec. The fix is
- * to temporarily switch the XmNselectionPolicy to XmMULTIPLE_SELECT
- * and then switch it back because XmListSelectPost () works as specified
- * for XmMULTIPLE_SELECT list widgets.
- */
- int [] argList = {OS.XmNselectionPolicy, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- int oldPolicy = argList [1];
- if (oldPolicy == OS.XmEXTENDED_SELECT) {
- argList [1] = OS.XmMULTIPLE_SELECT;
- OS.XtSetValues (handle, argList, argList.length / 2);
- }
- /*
- * Note: We rely on the fact that XmListSelectPos ()
- * fails silently when the indices are out of range.
- */
- OS.XmListSelectPos (handle, index + 1, false);
- if (oldPolicy == OS.XmEXTENDED_SELECT) {
- argList [1] = OS.XmEXTENDED_SELECT;
- OS.XtSetValues (handle, argList, argList.length / 2);
- }
-}
-/**
- * Selects the items at the given zero-relative indices in the receiver.
- * If the item at the index was already selected, it remains
- * selected. The range of the indices is inclusive. Indices that are
- * out of range are ignored.
- *
- * @param start the start of the range
- * @param end the end of the range
- *
- * @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 select (int start, int end) {
- checkWidget();
- if (start > end) return;
- if ((style & SWT.SINGLE) != 0) {
- int [] argList = {OS.XmNitemCount, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- int index = Math.min (argList[1] - 1, end) + 1;
- if (index != 0 && index >= start + 1) OS.XmListSelectPos (handle, index, false);
- return;
- }
- /*
- * Feature in MOTIF. The X/MOTIF 1.2 spec says that XmListSelectPos ()
- * in a XmEXTENDED_SELECT list widget will add the index to the selected
- * indices. The observed behavior does not match the spec. The fix is
- * to temporarily switch the XmNselectionPolicy to XmMULTIPLE_SELECT
- * and then switch it back because XmListSelectPos () works as specified
- * for XmMULTIPLE_SELECT list widgets.
- */
- int [] argList = {OS.XmNselectionPolicy, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- int oldPolicy = argList [1];
- if (oldPolicy == OS.XmEXTENDED_SELECT) {
- argList [1] = OS.XmMULTIPLE_SELECT;
- OS.XtSetValues (handle, argList, argList.length / 2);
- }
- /*
- * Note: We rely on the fact that XmListSelectPos ()
- * fails silently when the indices are out of range.
- */
- for (int i=start; i<=end; i++) {
- int index = i + 1;
- if ((index != 0) && !OS.XmListPosSelected (handle, index)) {
- OS.XmListSelectPos (handle, index, false);
- }
- }
- if (oldPolicy == OS.XmEXTENDED_SELECT) {
- argList [1] = OS.XmEXTENDED_SELECT;
- OS.XtSetValues (handle, argList, argList.length / 2);
- }
-}
-/**
- * Selects the items at the given zero-relative indices in the receiver.
- * If the item at the given zero-relative index in the receiver
- * is not selected, it is selected. If the item at the index
- * was selected, it remains selected. Indices that are out
- * of range and duplicate indices are ignored.
- *
- * @param indices the array of indices for the items to select
- *
- * @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>
- */ -public void select (int [] indices) {
- checkWidget();
- if (indices == null) error (SWT.ERROR_NULL_ARGUMENT);
- if ((style & SWT.SINGLE) != 0) {
- int [] argList = {OS.XmNitemCount, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- int count = argList [1];
- for (int i = 0; i < indices.length; i++) {
- int index = indices [i];
- if (0 <= index && index < count) {
- select (index);
- return;
- }
- }
- return;
- }
- /*
- * Feature in MOTIF. The X/MOTIF 1.2 spec says that XmListSelectPos ()
- * in a XmEXTENDED_SELECT list widget will add the index to the selected
- * indices. The observed behavior does not match the spec. The fix is
- * to temporarily switch the XmNselectionPolicy to XmMULTIPLE_SELECT
- * and then switch it back because XmListSelectPos () works as specified
- * for XmMULTIPLE_SELECT list widgets.
- */
- int [] argList = {OS.XmNselectionPolicy, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- int oldPolicy = argList [1];
- if (oldPolicy == OS.XmEXTENDED_SELECT) {
- argList [1] = OS.XmMULTIPLE_SELECT;
- OS.XtSetValues (handle, argList, argList.length / 2);
- }
- /*
- * Note: We rely on the fact that XmListSelectPos ()
- * fails silently when the indices are out of range.
- */
- for (int i=0; i<indices.length; i++) {
- int index = indices [i] + 1;
- if ((index != 0) && !OS.XmListPosSelected (handle, index)) {
- OS.XmListSelectPos (handle, index, false);
- }
- }
- if (oldPolicy == OS.XmEXTENDED_SELECT) {
- argList [1] = OS.XmEXTENDED_SELECT;
- OS.XtSetValues (handle, argList, argList.length / 2);
- }
-}
-void select (String [] items) {
- checkWidget();
- int [] table = new int [items.length];
- String codePage = getCodePage ();
- for (int i=0; i<items.length; i++) {
- String string = items [i];
- byte [] buffer = Converter.wcsToMbcs (codePage, string, true);
- int xmString = OS.XmStringCreateLocalized (buffer);
- table [i] = xmString;
- }
- int ptr = OS.XtMalloc (items.length * 4);
- OS.memmove (ptr, table, items.length * 4);
- int [] argList = {OS.XmNselectedItems, ptr, OS.XmNselectedItemCount, table.length};
- OS.XtSetValues (handle, argList, argList.length / 2);
- for (int i=0; i<table.length; i++) OS.XmStringFree (table [i]);
- OS.XtFree (ptr);
- OS.XmListUpdateSelectedList (handle);
-}
-/**
- * Selects all the items in the receiver.
- *
- * @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 selectAll () {
- checkWidget();
- if ((style & SWT.SINGLE) != 0) return;
- /*
- * Feature in MOTIF. The X/MOTIF 1.2 spec says that XmListSelectPos ()
- * in a XmEXTENDED_SELECT list widget will add the index to the selected
- * indices. The observed behavior does not match the spec. The fix is
- * to temporarily switch the XmNselectionPolicy to XmMULTIPLE_SELECT
- * and then switch it back because XmListSelectPos () works as specified
- * for XmMULTIPLE_SELECT list widgets.
- */
- int [] argList = {OS.XmNselectionPolicy, 0, OS.XmNitemCount, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- int oldPolicy = argList [1];
- if (oldPolicy == OS.XmEXTENDED_SELECT) {
- argList [1] = OS.XmMULTIPLE_SELECT;
- OS.XtSetValues (handle, argList, argList.length / 2);
- }
- for (int i=0; i<argList[3]; i++) {
- int index = i + 1;
- if (!OS.XmListPosSelected (handle, index)) {
- OS.XmListSelectPos (handle, index, false);
- }
- }
- if (oldPolicy == OS.XmEXTENDED_SELECT) {
- argList [1] = OS.XmEXTENDED_SELECT;
- OS.XtSetValues (handle, argList, argList.length / 2);
- }
-}
-boolean setBounds (int x, int y, int width, int height, boolean move, boolean resize) {
- boolean changed = super.setBounds (x, y, width, height, move, resize);
- /*
- * Bug in AIX. When the receiver has a vertical scroll bar
- * that is currently not visible and no horizontal scroll bar
- * and is resized to be smaller in both the width and height
- * and goes from the state where the width of the longest item
- * is smaller than the width of the list to the state where the
- * width of the longest item is longer than the width of the
- * list, the list hides the vertical scroll bar and leaves a
- * blank space where it should be. This often happens when a
- * shell containing a list that matches the above criteria is
- * maximized and then restored. This is just one of a number
- * of repeatable cases where the scrolled window hides the
- * scroll bars but does not resize the list. The fix is to
- * detect these cases and force the scroll bars to be layed
- * out properly by growing and then shrinking the scrolled
- * window.
- */
-
- /* Grow and shrink the scrolled window by one pixel */
- if (changed && scrolledHandle != 0) {
- int [] argList = {OS.XmNwidth, 0, OS.XmNheight, 0, OS.XmNborderWidth, 0};
- OS.XtGetValues (scrolledHandle, argList, argList.length / 2);
- OS.XtResizeWidget (scrolledHandle, argList [1] + 1, argList [3], argList [5]);
- OS.XtResizeWidget (scrolledHandle, argList [1], argList [3], argList [5]);
- }
- return changed;
-}
-void setFocusIndex (int index) {
- OS.XmListSetKbdItemPos (handle, index + 1);
-}
-/**
- * Sets the text of the item in the receiver's list at the given
- * zero-relative index to the string argument. This is equivalent
- * to <code>remove</code>'ing the old item at the index, and then
- * <code>add</code>'ing the new item at that index.
- *
- * @param index the index for the item
- * @param string the new text for the item
- *
- * @exception IllegalArgumentException <ul>
- * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</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>
- * @exception SWTError <ul>
- * <li>ERROR_ITEM_NOT_REMOVED - if the remove operation fails because of an operating system failure</li>
- * <li>ERROR_ITEM_NOT_ADDED - if the add operation fails because of an operating system failure</li>
- * </ul>
- */ -public void setItem (int index, String string) {
- checkWidget();
- if (string == null) error (SWT.ERROR_NULL_ARGUMENT);
- if (index == -1) error (SWT.ERROR_INVALID_RANGE);
- int [] argList = {OS.XmNitemCount, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- if (!(0 <= index && index < argList [1])) {
- error (SWT.ERROR_INVALID_RANGE);
- }
- byte [] buffer = Converter.wcsToMbcs (getCodePage (), string, true);
- int xmString = OS.XmStringCreateLocalized (buffer);
- if (xmString == 0) error (SWT.ERROR_ITEM_NOT_ADDED);
- boolean isSelected = OS.XmListPosSelected (handle, index + 1);
- OS.XmListReplaceItemsPosUnselected (handle, new int [] {xmString}, 1, index + 1);
- if (isSelected) OS.XmListSelectPos (handle, index + 1, false);
- OS.XmStringFree (xmString);
-}
-/**
- * Sets the receiver's items to be the given array of items.
- *
- * @param items the array of items
- *
- * @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>
- * @exception SWTError <ul>
- * <li>ERROR_ITEM_NOT_ADDED - if the operation fails because of an operating system failure</li>
- * </ul>
- */ -public void setItems (String [] items) {
- checkWidget();
- if (items == null) error (SWT.ERROR_NULL_ARGUMENT);
- /*
- * Bug in AIX. When all list items are replaced
- * in a scrolled list that is currently showing a
- * horizontal scroll bar, the horizontal scroll bar
- * is hidden, but the list does not grow to take up
- * the space once occupied by the bar. The fix is
- * of force the horizontal bar to be recomputed by
- * removing all items and resizing the list.
- */
- OS.XmListSetPos (handle, 0);
- OS.XmListDeselectAllItems (handle);
- if ((style & SWT.H_SCROLL) != 0) {
- OS.XmListDeleteAllItems (handle);
- }
- int index = 0;
- int [] table = new int [items.length];
- String codePage = getCodePage ();
- while (index < items.length) {
- String string = items [index];
- if (string == null) break;
- byte [] buffer = Converter.wcsToMbcs (codePage, string, true);
- int xmString = OS.XmStringCreateLocalized (buffer);
- if (xmString == 0) break;
- table [index++] = xmString;
- }
- int ptr = OS.XtMalloc (index * 4);
- OS.memmove (ptr, table, index * 4);
- int [] argList = {OS.XmNitems, ptr, OS.XmNitemCount, index};
- OS.XtSetValues (handle, argList, argList.length / 2);
- for (int i=0; i<index; i++) OS.XmStringFree (table [i]);
- OS.XtFree (ptr);
- /*
- * Bug in Motif. Resize the list to work around
- * the horizontal scroll bar display bug described
- * above.
- */
- if ((style & SWT.H_SCROLL) != 0) {
- OS.XtResizeWindow (handle);
- }
- if (index < items.length) error (SWT.ERROR_ITEM_NOT_ADDED);
-}
-/**
- * Selects the item at the given zero-relative index in the receiver.
- * If the item at the index was already selected, it remains selected.
- * The current selected is first cleared, then the new items are selected.
- * Indices that are out of range are ignored.
- *
- * @param index the index of the item to select
- *
- * @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 List#deselectAll()
- * @see List#select(int)
- */ -public void setSelection (int index) {
- checkWidget();
- if ((style & SWT.MULTI) != 0) deselectAll ();
- select (index);
- showSelection ();
-}
-/**
- * Selects the items at the given zero-relative indices in the receiver.
- * The current selected if first cleared, then the new items are selected.
- *
- * @param start the start index of the items to select
- * @param end the end index of the items to select
- *
- * @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 Table#deselectAll()
- * @see Table#select(int,int)
- */ -public void setSelection (int start, int end) {
- checkWidget();
- if ((style & SWT.MULTI) != 0) deselectAll ();
- select (start, end);
- showSelection ();
-}
-/** - * Selects the items at the given zero-relative indices in the receiver. - * The current selection is first cleared, then the new items are selected. - * - * @param indices the indices of the items to select - * - * @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 List#deselectAll() - * @see List#select(int[]) - */ -public void setSelection(int[] indices) {
- checkWidget();
- if (indices == null) error (SWT.ERROR_NULL_ARGUMENT);
- deselectAll ();
- select (indices);
- showSelection ();
-}
-/**
- * Sets the receiver's selection to be the given array of items.
- * The current selected is first cleared, then the new items are
- * selected.
- *
- * @param items the array of items
- *
- * @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 List#deselectAll()
- * @see List#select(int)
- */ -public void setSelection (String [] items) {
- checkWidget();
- if (items == null) error (SWT.ERROR_NULL_ARGUMENT);
- String codePage = getCodePage ();
- if ((style & SWT.SINGLE) != 0) {
- for (int i=items.length-1; i>=0; --i) {
- String string = items [i];
- if (string != null) {
- byte [] buffer = Converter.wcsToMbcs (codePage, string, true);
- int xmString = OS.XmStringCreateLocalized (buffer);
- if (xmString != 0) {
- int index = OS.XmListItemPos (handle, xmString);
- if (index != 0) OS.XmListSelectPos (handle, index, false);
- OS.XmStringFree (xmString);
- if (index != 0 && OS.XmListPosSelected (handle, index)) {
- showSelection ();
- return;
- }
- }
- }
- }
- OS.XmListDeselectAllItems (handle);
- return;
- }
- OS.XmListDeselectAllItems (handle);
- int length = 0;
- int [] table = new int [items.length];
- for (int i=0; i<items.length; i++) {
- String string = items [i];
- if (string != null) {
- byte [] buffer = Converter.wcsToMbcs (codePage, string, true);
- int xmString = OS.XmStringCreateLocalized (buffer);
- if (xmString != 0) table [length++] = xmString;
- }
- }
- int ptr = OS.XtMalloc (length * 4);
- OS.memmove (ptr, table, length * 4);
- int [] argList = {OS.XmNselectedItems, ptr, OS.XmNselectedItemCount, length};
- OS.XtSetValues (handle, argList, argList.length / 2);
- for (int i=0; i<length; i++) OS.XmStringFree (table [i]);
- OS.XtFree (ptr);
- OS.XmListUpdateSelectedList (handle);
- showSelection ();
-}
-/**
- * Sets the zero-relative index of the item which is currently
- * at the top of the receiver. This index can change when items
- * are scrolled or new items are added and removed.
- *
- * @param index the index of the top item
- *
- * @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 setTopIndex (int index) {
- checkWidget();
- int [] argList = {OS.XmNitemCount, 0, OS.XmNvisibleItemCount, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- int newIndex = Math.max (1, Math.min (index + 1, argList [1]));
- int lastIndex = Math.max (1, argList [1] - argList [3] + 1);
- if (newIndex > lastIndex) newIndex = lastIndex;
- OS.XmListSetPos (handle, newIndex);
-}
-/**
- * Shows the selection. If the selection is already showing in the receiver,
- * this method simply returns. Otherwise, the items are scrolled until
- * the selection is visible.
- *
- * @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>
- */ -public void showSelection () {
- checkWidget();
- int [] buffer = new int [1], positions = new int [1];
- if (!OS.XmListGetSelectedPos (handle, positions, buffer)) return;
- if (buffer [0] == 0) return;
- int address = positions [0];
- int [] indices = new int [1];
- OS.memmove (indices, address, 4);
- OS.XtFree (address);
- int index = indices [0];
- int [] argList = {
- OS.XmNtopItemPosition, 0,
- OS.XmNvisibleItemCount, 0,
- OS.XmNitemCount, 0,
- };
- OS.XtGetValues (handle, argList, argList.length / 2);
- int topIndex = argList [1], visibleCount = argList [3], count = argList [5];
- int bottomIndex = Math.min (topIndex + visibleCount - 1, count);
- if ((topIndex <= index) && (index <= bottomIndex)) return;
- int lastIndex = Math.max (1, count - visibleCount + 1);
- int newTop = Math.min (Math.max (index - (visibleCount / 2), 1), lastIndex);
- OS.XmListSetPos (handle, newTop);
-}
-int topHandle () {
- /*
- * Normally, when a composite has both a form handle
- * and a scrolled handle, the scrolled handle is the
- * parent of the form handle. In the case of a list,
- * both handles are present but the form handle is
- * parent of the scrolled handle and therefore is
- * the top handle of the list.
- */
- return formHandle;
-}
-}
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