diff options
Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/motif/org/eclipse/swt/widgets/Combo.java')
| -rwxr-xr-x | bundles/org.eclipse.swt/Eclipse SWT/motif/org/eclipse/swt/widgets/Combo.java | 1282 |
1 files changed, 0 insertions, 1282 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/motif/org/eclipse/swt/widgets/Combo.java b/bundles/org.eclipse.swt/Eclipse SWT/motif/org/eclipse/swt/widgets/Combo.java deleted file mode 100755 index fa5a9d2bda..0000000000 --- a/bundles/org.eclipse.swt/Eclipse SWT/motif/org/eclipse/swt/widgets/Combo.java +++ /dev/null @@ -1,1282 +0,0 @@ -package org.eclipse.swt.widgets;
-
-/*
- * (c) Copyright IBM Corp. 2000, 2001.
- * All Rights Reserved
- */
-
-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 are controls that allow the user
- * to choose an item from a list of items, or optionally
- * enter a new value by typing it into an editable text
- * field. Often, <code>Combo</code>s are used in the same place
- * where a single selection <code>List</code> widget could
- * be used but space is limited. A <code>Combo</code> takes
- * less space than a <code>List</code> widget and shows
- * similar information.
- * <p>
- * Note: Since <code>Combo</code>s can contain both a list
- * and an editable text field, it is possible to confuse methods
- * which access one versus the other (compare for example,
- * <code>clearSelection()</code> and <code>deselectAll()</code>).
- * The API documentation is careful to indicate either "the
- * receiver's list" or the "the receiver's text field" to
- * distinguish between the two cases.
- * </p><p>
- * Note that although this class is a subclass of <code>Composite</code>,
- * it does not make sense to add children to it, or set a layout on it.
- * </p>
- * <dl>
- * <dt><b>Styles:</b></dt>
- * <dd>DROP_DOWN, READ_ONLY, SIMPLE</dd>
- * <dt><b>Events:</b></dt>
- * <dd>DefaultSelection, Modify, Selection</dd>
- * </dl>
- * <p>
- * IMPORTANT: This class is <em>not</em> intended to be subclassed.
- * </p>
- *
- * @see List
- */
-public class Combo extends Composite {
- /**
- * the operating system limit for the number of characters
- * that the text field in an instance of this class can hold
- */
- public static int LIMIT;
-
- /*
- * These values can be different on different platforms.
- * Therefore they are not initialized in the declaration
- * to stop the compiler from inlining.
- */
- static {
- LIMIT = 0x7FFFFFFF;
- }
-
- boolean ignoreSelect;
-/**
- * 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
- * for all SWT widget classes should include a comment which
- * describes the style constants which are applicable to the class.
- * </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
- * @see Widget#checkSubclass
- * @see Widget#getStyle
- */
-public Combo (Composite parent, int style) {
- super (parent, checkStyle (style));
-}
-/**
- * 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 (), encodeString(string), true);
- int xmString = OS.XmStringCreateLocalized (buffer);
- if (xmString == 0) error (SWT.ERROR_ITEM_NOT_ADDED);
- OS.XmComboBoxAddItem(handle, xmString, -1, false);
- 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 (), encodeString(string), true);
- int xmString = OS.XmStringCreateLocalized (buffer);
- if (xmString == 0) error (SWT.ERROR_ITEM_NOT_ADDED);
- OS.XmComboBoxAddItem(handle, xmString, index + 1, false);
- OS.XmStringFree (xmString);
-}
-/**
- * Adds the listener to the collection of listeners who will
- * be notified when the receiver's text is modified, by sending
- * it one of the messages defined in the <code>ModifyListener</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 ModifyListener
- * @see #removeModifyListener
- */
-public void addModifyListener (ModifyListener listener) {
- checkWidget();
- if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
- TypedListener typedListener = new TypedListener (listener);
- addListener (SWT.Modify, typedListener);
-}
-/**
- * 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 combo's list selection changes.
- * <code>widgetDefaultSelected</code> is typically called when ENTER is pressed the combo's text area.
- * </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) {
- /*
- * Feature in Windows. It is not possible to create
- * a combo box that has a border using Windows style
- * bits. All combo boxes draw their own border and
- * do not use the standard Windows border styles.
- * Therefore, no matter what style bits are specified,
- * clear the BORDER bits so that the SWT style will
- * match the Windows widget.
- *
- * The Windows behavior is currently implemented on
- * all platforms.
- */
- style &= ~SWT.BORDER;
-
- /*
- * Even though it is legal to create this widget
- * with scroll bars, they serve no useful purpose
- * because they do not automatically scroll the
- * widget's client area. The fix is to clear
- * the SWT style.
- */
- style &= ~(SWT.H_SCROLL | SWT.V_SCROLL);
- style = checkBits (style, SWT.DROP_DOWN, SWT.SIMPLE, 0, 0, 0, 0);
- if ((style & SWT.SIMPLE) != 0) return style & ~SWT.READ_ONLY;
- return style;
-}
-protected void checkSubclass () {
- if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS);
-}
-/**
- * Sets the selection in the receiver's text field to an empty
- * selection starting just before the first character. If the
- * text field is editable, this has the effect of placing the
- * i-beam at the start of the text.
- * <p>
- * Note: To clear the selected items in the receiver's list,
- * use <code>deselectAll()</code>.
- * </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>
- *
- * @see #deselectAll
- */
-public void clearSelection () {
- checkWidget();
- int xDisplay = OS.XtDisplay (handle);
- if (xDisplay == 0) return;
- int [] argList = {OS.XmNtextField, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- OS.XmTextClearSelection (argList[1], OS.XtLastTimestampProcessed (xDisplay));
-}
-
-public Point computeSize (int wHint, int hHint, boolean changed) {
- checkWidget();
- int [] argList = {
- OS.XmNlist, 0,
- OS.XmNtextField, 0,
- OS.XmNitemCount, 0,
- OS.XmNmarginWidth, 0,
- OS.XmNshadowThickness, 0,
- OS.XmNhighlightThickness, 0,
- OS.XmNarrowSize, 0,
- OS.XmNarrowSpacing, 0,
- };
- OS.XtGetValues(handle, argList, argList.length / 2);
- XtWidgetGeometry result = new XtWidgetGeometry ();
- result.request_mode = OS.CWWidth;
- OS.XtQueryGeometry (argList[1], null, result);
- int width = result.width, height = getTextHeight();
- int[] argList2 = {OS.XmNmarginWidth, 0, OS.XmNshadowThickness, 0};
- OS.XtGetValues(argList[3], argList2, argList2.length / 2);
- if ((style & SWT.READ_ONLY) == 0) width += (2 * argList[7]);
- if ((style & SWT.DROP_DOWN) != 0) {
- width += argList[13] + argList[15];
- } else {
- int itemCount = (argList[5] == 0) ? 5 : argList[5];
- height += (getItemHeight () * itemCount);
- }
- width += (2 * argList[9])
- + (2 * argList[11])
- + (2 * argList2[1])
- + (2 * argList2[3]);
- if (argList[5] == 0) width = DEFAULT_WIDTH;
- if (hHint != SWT.DEFAULT) height = hHint;
- if (wHint != SWT.DEFAULT) width = wHint;
- Rectangle rect = computeTrim (0, 0, width, height);
- return new Point (rect.width, rect.height);
-}
-void createHandle (int index) {
- state |= HANDLE;
-
- /*
- * Feature in Motif. When items are added or removed
- * from a combo, 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 comboBoxType = OS.XmDROP_DOWN_COMBO_BOX;
- if ((style & SWT.SIMPLE) != 0) {
- comboBoxType = OS.XmCOMBO_BOX;
- } else if ((style & SWT.READ_ONLY) != 0) {
- comboBoxType = OS.XmDROP_DOWN_LIST;
- }
- int [] argList2 = {
- OS.XmNcomboBoxType, comboBoxType,
- OS.XmNtopAttachment, OS.XmATTACH_FORM,
- OS.XmNbottomAttachment, OS.XmATTACH_FORM,
- OS.XmNleftAttachment, OS.XmATTACH_FORM,
- OS.XmNrightAttachment, OS.XmATTACH_FORM,
- OS.XmNresizable, 0,
- };
- handle = OS.XmCreateComboBox (formHandle, null, argList2, argList2.length / 2);
- if (handle == 0) error (SWT.ERROR_NO_HANDLES);
-}
-/**
- * Deselects the item at the given zero-relative index in the receiver's
- * list. 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();
- if (index == -1) return;
- int [] argList = {OS.XmNtextField, 0, OS.XmNlist, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
-
- if (OS.XmListPosSelected (argList[3], index + 1)) {
- Display display = getDisplay ();
- boolean warnings = display.getWarnings ();
- display.setWarnings (false);
- OS.XmTextSetString (argList[1], new byte[1]);
- OS.XmTextSetInsertionPosition (argList[1], 0);
- display.setWarnings (warnings);
- OS.XmListDeselectAllItems (argList[3]);
- }
-}
-/**
- * Deselects all selected items in the receiver's list.
- * <p>
- * Note: To clear the selection in the receiver's text field,
- * use <code>clearSelection()</code>.
- * </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>
- *
- * @see #clearSelection
- */
-public void deselectAll () {
- checkWidget();
- int [] argList = {OS.XmNtextField, 0, OS.XmNlist, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- Display display = getDisplay ();
- boolean warnings = display.getWarnings ();
- display.setWarnings (false);
- OS.XmTextSetString (argList[1], new byte[1]);
- OS.XmTextSetInsertionPosition (argList[1], 0);
- display.setWarnings(warnings);
- OS.XmListDeselectAllItems (argList[3]);
-}
-
-
-/**
- * Returns the item at the given, zero-relative index in the
- * receiver's list. 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 decodeString(new String (Converter.mbcsToWcs (getCodePage (), buffer)));
-}
-/**
- * Returns the number of items contained in the receiver's list.
- *
- * @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 receiver's list.
- *
- * @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 [] listHandleArgs = {OS.XmNlist, 0};
- OS.XtGetValues (handle, listHandleArgs, listHandleArgs.length / 2);
- int [] argList = {OS.XmNlistSpacing, 0, OS.XmNhighlightThickness, 0};
- OS.XtGetValues (listHandleArgs[1], argList, argList.length / 2);
- int spacing = argList [1], highlight = argList [3];
- /* Result is from empirical analysis on Linux and AIX */
- return getFontHeight () + spacing + (2 * highlight);
-}
-/**
- * Returns an array of <code>String</code>s which are the items
- * in the receiver's list.
- * <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</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] = decodeString(new String (Converter.mbcsToWcs (codePage, buffer)));
- items += 4;
- }
- return result;
-}
-/**
- * Returns a <code>Point</code> whose x coordinate is the start
- * of the selection in the receiver's text field, and whose y
- * coordinate is the end of the selection. The returned values
- * are zero-relative. An "empty" selection as indicated by
- * the the x and y coordinates having the same value.
- *
- * @return a point representing the selection start and end
- *
- * @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 Point getSelection () {
- checkWidget();
- int [] start = new int [1], end = new int [1];
- int [] argList = {OS.XmNtextField, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- OS.XmTextGetSelectionPosition (argList[1], start, end);
- if (start [0] == end [0]) {
- start [0] = end [0] = OS.XmTextGetInsertionPosition (argList[1]);
- }
- return new Point (start [0], end [0]);
-}
-/**
- * Returns the zero-relative index of the item which is currently
- * selected in the receiver's list, 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>
- */
-public int getSelectionIndex () {
- checkWidget();
- int [] argList = {OS.XmNlist, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
-
- int index = OS.XmListGetKbdItemPos (argList[1]);
- if (OS.XmListPosSelected (argList[1], index)) return index - 1;
- int [] count = new int [1], positions = new int [1];
- if (!OS.XmListGetSelectedPos (argList[1], 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 a string containing a copy of the contents of the
- * receiver's text field.
- *
- * @return the receiver's text
- *
- * @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 String getText () {
- checkWidget();
- int [] argList = {OS.XmNtextField, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
-
- int ptr = OS.XmTextGetString (argList[1]);
- if (ptr == 0) return "";
- int length = OS.strlen (ptr);
- byte [] buffer = new byte [length];
- OS.memmove (buffer, ptr, length);
- OS.XtFree (ptr);
- return decodeString(new String (Converter.mbcsToWcs (getCodePage (), buffer)));
-}
-/**
- * Returns the height of the receivers's text field.
- *
- * @return the text height
- *
- * @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 getTextHeight () {
- checkWidget();
- if ((style & SWT.DROP_DOWN) != 0) {
- /*
- * Bug in MOTIF. For some reason, XtQueryGeometry ()
- * returns the wrong height when the combo is not realized.
- * The fix is to force the combo to be realized by forcing
- * the shell to be realized.
- */
- if (!OS.XtIsRealized (handle)) getShell ().realizeWidget ();
- XtWidgetGeometry result = new XtWidgetGeometry ();
- result.request_mode = OS.CWHeight;
- OS.XtQueryGeometry (handle, null, result);
- return result.height;
- } else {
- /* Calculate text field height. */
- int [] argList = {OS.XmNtextField, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- int [] argList2 = {OS.XmNmarginHeight, 0};
- OS.XtGetValues (argList[1], argList2, argList2.length / 2);
- int height = getFontHeight ();
- XRectangle rect = new XRectangle ();
- OS.XmWidgetGetDisplayRect (argList[1], rect);
- height += (rect.y * 2) + (2 * argList2[1]);
-
- /* Add in combo box margins. */
- int [] argList3 = {OS.XmNmarginHeight, 0, OS.XmNshadowThickness, 0, OS.XmNhighlightThickness, 0};
- OS.XtGetValues(handle, argList3, argList3.length / 2);
- height += (2 * argList3[1]) + (2 * argList3[3]) + (2 * argList3[5]);
-
- return height;
- }
-}
-/**
- * Returns the maximum number of characters that the receiver's
- * text field is capable of holding. If this has not been changed
- * by <code>setTextLimit()</code>, it will be the constant
- * <code>Combo.LIMIT</code>.
- *
- * @return the text limit
- *
- * @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 getTextLimit () {
- checkWidget();
- int [] argList = {OS.XmNtextField, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- return OS.XmTextGetMaxLength (argList[1]);
-}
-void hookEvents () {
- super.hookEvents ();
- int windowProc = getDisplay ().windowProc;
- OS.XtAddCallback (handle, OS.XmNselectionCallback, windowProc, SWT.Selection);
- int [] argList = {OS.XmNtextField, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- OS.XtAddCallback (argList[1], OS.XmNactivateCallback, windowProc, SWT.DefaultSelection);
- OS.XtAddCallback (argList[1], OS.XmNvalueChangedCallback, windowProc, SWT.Modify);
-}
-/**
- * Searches the receiver's list starting at the first item
- * (index 0) until an item is found that is equal to the
- * argument, and returns the index of that item. If no item
- * is found, 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>
- */
-public int indexOf (String string) {
- checkWidget();
- if (string == null) error (SWT.ERROR_NULL_ARGUMENT);
-
- byte [] buffer = Converter.wcsToMbcs (getCodePage (), encodeString(string), true);
- int xmString = OS.XmStringCreateLocalized (buffer);
- if (xmString == 0) return -1;
-
- int [] argList = {OS.XmNlist, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
-
- int index = OS.XmListItemPos (argList[1], 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>
- */
-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 (), encodeString(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;
-}
-int processSelection (int callData) {
- /*
- * Bug in MOTIF. If items have been added and removed from a
- * combo then users are able to select an empty drop-down item
- * in the combo once and force a resulting callback. In such
- * cases we want to eat this callback so that listeners are not
- * notified.
- */
- if (ignoreSelect || getSelectionIndex() == -1)
- return 0;
-
- return super.processSelection(callData);
-}
-/**
- * Removes the item from the receiver's list 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.XmComboBoxDeletePos (handle, index + 1);
-}
-/**
- * Removes the items from the receiver's list 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;
- /*
- * 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 <= start && start < argList [1])) {
- error (SWT.ERROR_INVALID_RANGE);
- }
- int newEnd = Math.min (end, argList [1] - 1);
- for (int i = start; i <= newEnd; i++) {
- OS.XmComboBoxDeletePos (handle, start + 1);
- }
- if (end >= argList [1]) error (SWT.ERROR_INVALID_RANGE);
-}
-void register () {
- super.register ();
- int [] argList = {OS.XmNtextField, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- WidgetTable.put(argList[1], this);
-}
-/**
- * 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 (), encodeString(string), true);
- int xmString = OS.XmStringCreateLocalized (buffer);
- if (xmString == 0) error (SWT.ERROR_ITEM_NOT_REMOVED);
-
- int [] argList = {OS.XmNlist, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- int index = OS.XmListItemPos (argList[1], xmString);
-
- OS.XmStringFree (xmString);
- if (index == 0) error (SWT.ERROR_INVALID_ARGUMENT);
- OS.XmComboBoxDeletePos (handle, index);
-}
-/**
- * Removes all of the items from the receiver's list.
- * <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();
- int [] argList = {OS.XmNtextField, 0, OS.XmNlist, 0, OS.XmNitemCount, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
-
- Display display = getDisplay ();
- boolean warnings = display.getWarnings ();
- display.setWarnings (false);
- OS.XmTextSetString (argList[1], new byte[1]);
- OS.XmTextSetInsertionPosition (argList[1], 0);
- display.setWarnings(warnings);
- OS.XmListDeselectAllItems (argList[3]);
-
- for (int i = 0; i < argList[5]; i++) {
- OS.XmComboBoxDeletePos(handle, 1);
- }
-}
-/**
- * Removes the listener from the collection of listeners who will
- * be notified when the receiver's text is modified.
- *
- * @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 ModifyListener
- * @see #addModifyListener
- */
-public void removeModifyListener (ModifyListener listener) {
- checkWidget();
- if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
- if (eventTable == null) return;
- eventTable.unhook (SWT.Modify, listener);
-}
-/**
- * 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) {
- int [] argList = {OS.XmNtextField, 0, OS.XmNlist, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- Display display = getDisplay ();
- boolean warnings = display.getWarnings ();
- display.setWarnings (false);
- OS.XmTextSetString (argList[1], new byte[1]);
- OS.XmTextSetInsertionPosition (argList[1], 0);
- display.setWarnings (warnings);
- OS.XmListDeselectAllItems (argList[3]);
- } else {
- int [] argList = {OS.XmNitemCount, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- if (!(0 <= index && index < argList [1])) return;
- int [] argList2 = {OS.XmNselectedPosition, index};
- ignoreSelect = true;
- OS.XtSetValues(handle, argList2, argList2.length / 2);
- ignoreSelect = false;
- }
-}
-/**
-* Sets the widget bounds.
-*/
-public void setBounds (int x, int y, int width, int height) {
- checkWidget();
- int newHeight = ((style & SWT.DROP_DOWN) != 0) ? getTextHeight() : height;
- super.setBounds (x, y, width, newHeight);
-}
-/**
- * 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.XmNlist, 0, OS.XmNitemCount, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- if (!(0 <= index && index < argList [3])) {
- error (SWT.ERROR_INVALID_RANGE);
- }
- byte [] buffer = Converter.wcsToMbcs (getCodePage (), encodeString(string), true);
- int xmString = OS.XmStringCreateLocalized (buffer);
- if (xmString == 0) error (SWT.ERROR_ITEM_NOT_ADDED);
- boolean isSelected = OS.XmListPosSelected (argList[1], index + 1);
- OS.XmListReplaceItemsPosUnselected (argList[1], new int [] {xmString}, 1, index + 1);
- if (isSelected) OS.XmListSelectPos (argList[1], index + 1, false);
- OS.XmStringFree (xmString);
-}
-/**
- * Sets the receiver's list 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);
-
- if (items.length == 0) {
- removeAll();
- return;
- }
-
- 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, encodeString(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);
- if (index < items.length) error (SWT.ERROR_ITEM_NOT_ADDED);
-}
-/**
- * Sets the selection in the receiver's text field to the
- * range specified by the argument whose x coordinate is the
- * start of the selection and whose y coordinate is the end
- * of the selection.
- *
- * @param a point representing the new selection start and end
- *
- * @exception IllegalArgumentException <ul>
- * <li>ERROR_NULL_ARGUMENT - if the point 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 setSelection (Point selection) {
- checkWidget();
-
- int [] argList = {OS.XmNtextField, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
-
- /* Clear the highlight before setting the selection. */
- int position = OS.XmTextGetLastPosition (argList[1]);
-
- /*
- * Bug in MOTIF. XmTextSetSelection () fails to set the
- * selection when the receiver is not realized. The fix
- * is to force the receiver to be realized by forcing the
- * shell to be realized. If the receiver is realized before
- * the shell, MOTIF fails to draw the text widget and issues
- * lots of X BadDrawable errors.
- */
- if (!OS.XtIsRealized (handle)) getShell ().realizeWidget ();
-
- /* Set the selection. */
- int xDisplay = OS.XtDisplay (argList[1]);
- if (xDisplay == 0) return;
- int nStart = Math.min (Math.max (Math.min (selection.x, selection.y), 0), position);
- int nEnd = Math.min (Math.max (Math.max (selection.x, selection.y), 0), position);
- Display display = getDisplay ();
- boolean warnings = display.getWarnings ();
- display.setWarnings (false);
- OS.XmTextSetSelection (argList[1], nStart, nEnd, OS.XtLastTimestampProcessed (xDisplay));
-
- /* Force the i-beam to follow the highlight/selection. */
- OS.XmTextSetInsertionPosition (argList[1], nEnd);
- display.setWarnings(warnings);
-}
-/**
-* Sets the widget size.
-*/
-public void setSize (int width, int height) {
- checkWidget();
- int newHeight = ((style & SWT.DROP_DOWN) != 0) ? getTextHeight () : height;
- super.setSize (width, newHeight);
-}
-/**
- * Sets the contents of the receiver's text field to the
- * given string.
- * <p>
- * Note: The text field in a <code>Combo</code> is typically
- * only capable of displaying a single line of text. Thus,
- * setting the text to a string containing line breaks or
- * other special characters will probably cause it to
- * display incorrectly.
- * </p>
- *
- * @param text the new text
- *
- * @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 void setText (String string) {
- checkWidget();
- if (string == null) error (SWT.ERROR_NULL_ARGUMENT);
-
- /*
- * The read-only and non-read-only cases must be handled
- * separately here because the platform will allow the
- * text of a read-only combo to be set to any value,
- * regardless of whether it appears in the combo's item
- * list or not.
- */
- if ((style & SWT.READ_ONLY) != 0) {
- int index = indexOf (string);
- if (index != -1) select (index);
- } else {
- byte [] buffer = Converter.wcsToMbcs (getCodePage (), string, true);
- int xmString = OS.XmStringCreateLocalized (buffer);
- if (xmString == 0) return;
- int [] argList = {OS.XmNtextField, 0, OS.XmNlist, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- int index = OS.XmListItemPos (argList[3], xmString);
- if (index > 0) {
- /* The list contains the item. */
- OS.XmComboBoxSelectItem(handle, xmString);
- } else {
- /* The list does not contain the item. */
- Display display = getDisplay ();
- boolean warnings = display.getWarnings ();
- display.setWarnings (false);
- OS.XmTextSetString (argList[1], buffer);
- OS.XmTextSetInsertionPosition (argList[1], 0);
- display.setWarnings(warnings);
- }
- OS.XmStringFree (xmString);
- /*
- * Bug in Linux. When the widget is multi-line
- * it does not send a Modify to notify the application
- * that the text has changed. The fix is to send the event.
- */
- if (OS.IsLinux && (style & SWT.MULTI) != 0) sendEvent (SWT.Modify);
- }
-}
-/**
- * Sets the maximum number of characters that the receiver's
- * text field is capable of holding to be the argument.
- *
- * @param limit new text limit
- *
- * @exception IllegalArgumentException <ul>
- * <li>ERROR_CANNOT_BE_ZERO - if the limit is zero</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 setTextLimit (int limit) {
- checkWidget();
- if (limit == 0) error (SWT.ERROR_CANNOT_BE_ZERO);
- int [] argList = {OS.XmNtextField, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- OS.XmTextSetMaxLength (argList[1], limit);
-}
-
-void deregister () {
- super.deregister ();
- int [] argList = {OS.XmNtextField, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- WidgetTable.remove (argList[1]);
-}
-void enableWidget (boolean enabled) {
- super.enableWidget (enabled);
- int [] argList = {
- OS.XmNlist, 0,
- OS.XmNtextField, 0,
- };
- OS.XtGetValues (handle, argList, argList.length / 2);
- enableHandle (enabled, argList [1]);
- enableHandle (enabled, argList [3]);
-}
-/**
- * Bug in Motif.
- * Empty strings in the combo will cause GPFs if a) they
- * are the only items in the combo or b) if they are
- * included in an array which is set as the value of the
- * combo's items resource. To protect against these GPFs,
- * make sure that no empty strings are added to the combo.
- * The solution is to add a space to empty strings or
- * strings which are all spaces. This space is removed
- * when answering the text of items which are all spaces.
- */
-String encodeString(String string) {
- for (int i = 0; i < string.length(); i++) {
- if (string.charAt(i) != ' ') {
- return string;
- }
- }
- return string + ' ';
-}
-/**
- * Bug in Motif.
- * Empty strings in the combo will cause GPFs if a) they
- * are the only items in the combo or b) if they are
- * included in an array which is set as the value of the
- * combo's items resource. To protect against these GPFs,
- * make sure that no empty strings are added to the combo.
- * The solution is to add a space to empty strings or
- * strings which include only spaces. A space is removed
- * when answering the text of items which are all spaces.
- */
-String decodeString(String string) {
- if (string.length() == 0) return string;
-
- for (int i = 0; i < string.length(); i++) {
- if (string.charAt(i) != ' ') {
- return string;
- }
- }
- return string.substring(0, string.length() - 1);
-}
-}
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