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-rwxr-xr-xbundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/List.java1515
1 files changed, 0 insertions, 1515 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/List.java b/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/List.java
deleted file mode 100755
index 0c43805266..0000000000
--- a/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/List.java
+++ /dev/null
@@ -1,1515 +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.win32.*;
-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>
- * IMPORTANT: This class is <em>not</em> intended to be subclassed.
- * </p>
- */
-
-public class List extends Scrollable {
- static final int ListProc;
- static final TCHAR ListClass = new TCHAR (0, "LISTBOX", true);
- static {
- WNDCLASS lpWndClass = new WNDCLASS ();
- OS.GetClassInfo (0, ListClass, lpWndClass);
- ListProc = lpWndClass.lpfnWndProc;
- }
-
-/**
- * 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 List (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);
- TCHAR buffer = new TCHAR (getCodePage (), string, true);
- int result = OS.SendMessage (handle, OS.LB_ADDSTRING, 0, buffer);
- if (result == OS.LB_ERR) error (SWT.ERROR_ITEM_NOT_ADDED);
- if (result == OS.LB_ERRSPACE) error (SWT.ERROR_ITEM_NOT_ADDED);
- if ((style & SWT.H_SCROLL) != 0) setScrollWidth (buffer, true);
-}
-/**
- * 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);
- TCHAR buffer = new TCHAR (getCodePage (), string, true);
- int result = OS.SendMessage (handle, OS.LB_INSERTSTRING, index, buffer);
- if (result == OS.LB_ERRSPACE) error (SWT.ERROR_ITEM_NOT_ADDED);
- if (result == OS.LB_ERR) {
- int count = OS.SendMessage (handle, OS.LB_GETCOUNT, 0, 0);
- if (0 <= index && index <= count) {
- error (SWT.ERROR_ITEM_NOT_ADDED);
- } else {
- error (SWT.ERROR_INVALID_RANGE);
- }
- }
- if ((style & SWT.H_SCROLL) != 0) setScrollWidth (buffer, true);
-}
-
-/**
- * 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);
-}
-
-int callWindowProc (int msg, int wParam, int lParam) {
- if (handle == 0) return 0;
- return OS.CallWindowProc (ListProc, handle, msg, wParam, lParam);
-}
-
-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 ();
- int count = OS.SendMessage (handle, OS.LB_GETCOUNT, 0, 0);
- int itemHeight = OS.SendMessage (handle, OS.LB_GETITEMHEIGHT, 0, 0);
- int width = 0, height = count * itemHeight;
- if ((style & SWT.H_SCROLL) != 0) {
- width = OS.SendMessage (handle, OS.LB_GETHORIZONTALEXTENT, 0, 0);
- } else {
- int newFont, oldFont = 0;
- int hDC = OS.GetDC (handle);
- newFont = OS.SendMessage (handle, OS.WM_GETFONT, 0, 0);
- if (newFont != 0) oldFont = OS.SelectObject (hDC, newFont);
- RECT rect = new RECT ();
- int flags = OS.DT_CALCRECT | OS.DT_SINGLELINE | OS.DT_NOPREFIX;
- int cp = getCodePage ();
- TCHAR buffer = new TCHAR (cp, 64 + 1);
- for (int i=0; i<count; i++) {
- int length = OS.SendMessage (handle, OS.LB_GETTEXTLEN, i, 0);
- if (length != OS.LB_ERR) {
- if (length + 1 > buffer.length ()) {
- buffer = new TCHAR (cp, length + 1);
- }
- int result = OS.SendMessage (handle, OS.LB_GETTEXT, i, buffer);
- if (result != OS.LB_ERR) {
- OS.DrawText (hDC, buffer, length, rect, flags);
- width = Math.max (width, rect.right - rect.left);
- }
- }
- }
- if (newFont != 0) OS.SelectObject (hDC, oldFont);
- OS.ReleaseDC (handle, hDC);
- }
- if (width == 0) width = DEFAULT_WIDTH;
- if (height == 0) height = DEFAULT_HEIGHT;
- if (wHint != SWT.DEFAULT) width = wHint;
- if (hHint != SWT.DEFAULT) height = hHint;
- int border = getBorderWidth ();
- width += border * 2 + 3;
- height += border * 2;
- if ((style & SWT.V_SCROLL) != 0) {
- width += OS.GetSystemMetrics (OS.SM_CXVSCROLL);
- }
- if ((style & SWT.H_SCROLL) != 0) {
- height += OS.GetSystemMetrics (OS.SM_CYHSCROLL);
- }
- return new Point (width, height);
-}
-
-ScrollBar createScrollBar (int type) {
- return new ScrollBar (this, type);
-}
-
-int defaultBackground () {
- return OS.GetSysColor (OS.COLOR_WINDOW);
-}
-
-/**
- * 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);
- if (indices.length == 0) return;
- if ((style & SWT.SINGLE) != 0) {
- int oldIndex = OS.SendMessage (handle, OS.LB_GETCURSEL, 0, 0);
- if (oldIndex == OS.LB_ERR) return;
- for (int i=0; i<indices.length; i++) {
- if (oldIndex == indices [i]) {
- OS.SendMessage (handle, OS.LB_SETCURSEL, -1, 0);
- return;
- }
- }
- return;
- }
- for (int i=0; i<indices.length; i++) {
- int index = indices [i];
- if (index != -1) {
- OS.SendMessage (handle, OS.LB_SETSEL, 0, index);
- }
- }
-}
-
-/**
- * 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 ();
- if (index == -1) return;
- if ((style & SWT.SINGLE) != 0) {
- int oldIndex = OS.SendMessage (handle, OS.LB_GETCURSEL, 0, 0);
- if (oldIndex == OS.LB_ERR) return;
- if (oldIndex == index) OS.SendMessage (handle, OS.LB_SETCURSEL, -1, 0);
- return;
- }
- OS.SendMessage (handle, OS.LB_SETSEL, 0, 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. 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;
- if ((style & SWT.SINGLE) != 0) {
- int oldIndex = OS.SendMessage (handle, OS.LB_GETCURSEL, 0, 0);
- if (oldIndex == OS.LB_ERR) return;
- if (start <= oldIndex && oldIndex <= end) {
- OS.SendMessage (handle, OS.LB_SETCURSEL, -1, 0);
- }
- return;
- }
- /*
- * Ensure that at least one item is contained in
- * the range from start to end. Note that when
- * start = end, LB_SELITEMRANGEEX deselects the
- * item.
- */
- int count = OS.SendMessage (handle, OS.LB_GETCOUNT, 0, 0);
- if (start < 0 && end < 0) return;
- if (start >= count && end >= count) return;
- start = Math.min (count - 1, Math.max (0, start));
- end = Math.min (count - 1, Math.max (0, end));
- OS.SendMessage (handle, OS.LB_SELITEMRANGEEX, end, start);
-}
-
-/**
- * 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 ();
- if ((style & SWT.SINGLE) != 0) {
- OS.SendMessage (handle, OS.LB_SETCURSEL, -1, 0);
- return;
- }
- OS.SendMessage (handle, OS.LB_SETSEL, 0, -1);
-}
-
-/**
- * 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.SendMessage (handle, OS.LB_GETCARETINDEX, 0, 0);
-}
-
-/**
- * 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 length = OS.SendMessage (handle, OS.LB_GETTEXTLEN, index, 0);
- if (length != OS.LB_ERR) {
- TCHAR buffer = new TCHAR (getCodePage (), length + 1);
- int result = OS.SendMessage (handle, OS.LB_GETTEXT, index, buffer);
- if (result != OS.LB_ERR) return buffer.toString (0, length);
- }
- int count = OS.SendMessage (handle, OS.LB_GETCOUNT, 0, 0);
- if (0 <= index && index < count) {
- error (SWT.ERROR_CANNOT_GET_ITEM);
- } else {
- error (SWT.ERROR_INVALID_RANGE);
- }
- return null;
-}
-
-/**
- * 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 result = OS.SendMessage (handle, OS.LB_GETCOUNT, 0, 0);
- if (result == OS.LB_ERR) error (SWT.ERROR_CANNOT_GET_COUNT);
- return result;
-}
-
-/**
- * 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 result = OS.SendMessage (handle, OS.LB_GETITEMHEIGHT, 0, 0);
- if (result == OS.LB_ERR) error (SWT.ERROR_CANNOT_GET_ITEM_HEIGHT);
- return result;
-}
-
-/**
- * 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 count = getItemCount ();
- String [] result = new String [count];
- for (int i=0; i<count; i++) result [i] = getItem (i);
- 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 [] indices = getSelectionIndices ();
- String [] result = new String [indices.length];
- for (int i=0; i<indices.length; i++) {
- result [i] = getItem (indices [i]);
- }
- 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 ();
- if ((style & SWT.SINGLE) != 0) {
- int result = OS.SendMessage (handle, OS.LB_GETCURSEL, 0, 0);
- if (result == OS.LB_ERR) return 0;
- return 1;
- }
- int result = OS.SendMessage (handle, OS.LB_GETSELCOUNT, 0, 0);
- if (result == OS.LB_ERR) error (SWT.ERROR_CANNOT_GET_COUNT);
- return result;
-}
-
-/**
- * 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 ();
- if ((style & SWT.SINGLE) != 0) {
- return OS.SendMessage (handle, OS.LB_GETCURSEL, 0, 0);
- }
- int count = OS.SendMessage (handle, OS.LB_GETSELCOUNT, 0, 0);
- if (count == OS.LB_ERR) error (SWT.ERROR_CANNOT_GET_SELECTION);
- if (count == 0) return -1;
- int index = OS.SendMessage (handle, OS.LB_GETCARETINDEX, 0, 0);
- int result = OS.SendMessage (handle, OS.LB_GETSEL, index, 0);
- if (result == OS.LB_ERR) error (SWT.ERROR_CANNOT_GET_SELECTION);
- if (result != 0) return index;
- int [] buffer = new int [1];
- result = OS.SendMessage (handle, OS.LB_GETSELITEMS, 1, buffer);
- if (result != 1) error (SWT.ERROR_CANNOT_GET_SELECTION);
- return buffer [0];
-}
-
-/**
- * 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 ();
- if ((style & SWT.SINGLE) != 0) {
- int result = OS.SendMessage (handle, OS.LB_GETCURSEL, 0, 0);
- if (result == OS.LB_ERR) return new int [0];
- return new int [] {result};
- }
- int length = OS.SendMessage (handle, OS.LB_GETSELCOUNT, 0, 0);
- if (length == OS.LB_ERR) error (SWT.ERROR_CANNOT_GET_SELECTION);
- int [] indices = new int [length];
- int result = OS.SendMessage (handle, OS.LB_GETSELITEMS, length, indices);
- if (result != length) error (SWT.ERROR_CANNOT_GET_SELECTION);
- return indices;
-}
-
-/**
- * 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 ();
- return OS.SendMessage (handle, OS.LB_GETTOPINDEX, 0, 0);
-}
-
-/**
- * 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) {
- return indexOf (string, 0);
-}
-
-/**
- * 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);
-
- /*
- * Bug in Windows. For some reason, LB_FINDSTRINGEXACT
- * will not find empty strings even though it is legal
- * to insert an empty string into a list. The fix is
- * to search the list, an item at a time.
- */
- if (string.length () == 0) {
- int count = getItemCount ();
- for (int i=start; i<count; i++) {
- if (string.equals (getItem (i))) return i;
- }
- return -1;
- }
-
- /* Use LB_FINDSTRINGEXACT to search for the item */
- int count = OS.SendMessage (handle, OS.LB_GETCOUNT, 0, 0);
- if (!((0 <= start) && (start < count))) return -1;
- int index = start - 1, last;
- TCHAR buffer = new TCHAR (getCodePage (), string, true);
- do {
- index = OS.SendMessage (handle, OS.LB_FINDSTRINGEXACT, last = index, buffer);
- if (index == OS.LB_ERR || index <= last) return -1;
- } while (!string.equals (getItem (index)));
- 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 ();
- int result = OS.SendMessage (handle, OS.LB_GETSEL, index, 0);
- return (result != 0) && (result != OS.LB_ERR);
-}
-
-/**
- * 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);
- int [] newIndices = new int [indices.length];
- System.arraycopy (indices, 0, newIndices, 0, indices.length);
- sort (newIndices);
- int count = OS.SendMessage (handle, OS.LB_GETCOUNT, 0, 0);
- int topIndex = OS.SendMessage (handle, OS.LB_GETTOPINDEX, 0, 0);
- RECT rect = null;
- int hDC = 0, oldFont = 0, newFont = 0, newWidth = 0;
- if ((style & SWT.H_SCROLL) != 0) {
- rect = new RECT ();
- hDC = OS.GetDC (handle);
- newFont = OS.SendMessage (handle, OS.WM_GETFONT, 0, 0);
- if (newFont != 0) oldFont = OS.SelectObject (hDC, newFont);
- }
- int cp = getCodePage ();
- int i = 0, topCount = 0, last = -1;
- while (i < newIndices.length) {
- int index = newIndices [i];
- if (index != last || i == 0) {
- TCHAR buffer = null;
- if ((style & SWT.H_SCROLL) != 0) {
- int length = OS.SendMessage (handle, OS.LB_GETTEXTLEN, index, 0);
- if (length == OS.LB_ERR) break;
- buffer = new TCHAR (cp, length + 1);
- int result = OS.SendMessage (handle, OS.LB_GETTEXT, index, buffer);
- if (result == OS.LB_ERR) break;
- }
- int result = OS.SendMessage (handle, OS.LB_DELETESTRING, index, 0);
- if (result == OS.LB_ERR) break;
- if ((style & SWT.H_SCROLL) != 0) {
- int flags = OS.DT_CALCRECT | OS.DT_SINGLELINE | OS.DT_NOPREFIX;
- OS.DrawText (hDC, buffer, -1, rect, flags);
- newWidth = Math.max (newWidth, rect.right - rect.left);
- }
- if (index < topIndex) topCount++;
- last = index;
- }
- i++;
- }
- if ((style & SWT.H_SCROLL) != 0) {
- if (newFont != 0) OS.SelectObject (hDC, oldFont);
- OS.ReleaseDC (handle, hDC);
- setScrollWidth (newWidth, false);
- }
- if (topCount > 0) {
- topIndex -= topCount;
- OS.SendMessage (handle, OS.LB_SETTOPINDEX, topIndex, 0);
- }
- if (i < newIndices.length) {
- int index = newIndices [i];
- if (0 <= index && index < count) error (SWT.ERROR_ITEM_NOT_REMOVED);
- error (SWT.ERROR_INVALID_RANGE);
- }
-}
-
-/**
- * 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 ();
- TCHAR buffer = null;
- if ((style & SWT.H_SCROLL) != 0) {
- int length = OS.SendMessage (handle, OS.LB_GETTEXTLEN, index, 0);
- if (length == OS.LB_ERR) error (SWT.ERROR_ITEM_NOT_REMOVED);
- buffer = new TCHAR (getCodePage (), length + 1);
- int result = OS.SendMessage (handle, OS.LB_GETTEXT, index, buffer);
- if (result == OS.LB_ERR) error (SWT.ERROR_ITEM_NOT_REMOVED);
- }
- int topIndex = OS.SendMessage (handle, OS.LB_GETTOPINDEX, 0, 0);
- int result = OS.SendMessage (handle, OS.LB_DELETESTRING, index, 0);
- if (result == OS.LB_ERR) {
- int count = OS.SendMessage (handle, OS.LB_GETCOUNT, 0, 0);
- if (0 <= index && index < count) error (SWT.ERROR_ITEM_NOT_REMOVED);
- error (SWT.ERROR_INVALID_RANGE);
- }
- if ((style & SWT.H_SCROLL) != 0) setScrollWidth (buffer, false);
- if (index < topIndex) {
- OS.SendMessage (handle, OS.LB_SETTOPINDEX, topIndex - 1, 0);
- }
-}
-
-/**
- * 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 = OS.SendMessage (handle, OS.LB_GETCOUNT, 0, 0);
- int topIndex = OS.SendMessage (handle, OS.LB_GETTOPINDEX, 0, 0);
- RECT rect = null;
- int hDC = 0, oldFont = 0, newFont = 0, newWidth = 0;
- if ((style & SWT.H_SCROLL) != 0) {
- rect = new RECT ();
- hDC = OS.GetDC (handle);
- newFont = OS.SendMessage (handle, OS.WM_GETFONT, 0, 0);
- if (newFont != 0) oldFont = OS.SelectObject (hDC, newFont);
- }
- int cp = getCodePage ();
- int index = start;
- int flags = OS.DT_CALCRECT | OS.DT_SINGLELINE | OS.DT_NOPREFIX;
- while (index <= end) {
- TCHAR buffer = null;
- if ((style & SWT.H_SCROLL) != 0) {
- int length = OS.SendMessage (handle, OS.LB_GETTEXTLEN, start, 0);
- if (length == OS.LB_ERR) break;
- buffer = new TCHAR (cp, length + 1);
- int result = OS.SendMessage (handle, OS.LB_GETTEXT, start, buffer);
- if (result == OS.LB_ERR) break;
- }
- int result = OS.SendMessage (handle, OS.LB_DELETESTRING, start, 0);
- if (result == OS.LB_ERR) break;
- if ((style & SWT.H_SCROLL) != 0) {
- OS.DrawText (hDC, buffer, -1, rect, flags);
- newWidth = Math.max (newWidth, rect.right - rect.left);
- }
- index++;
- }
- if ((style & SWT.H_SCROLL) != 0) {
- if (newFont != 0) OS.SelectObject (hDC, oldFont);
- OS.ReleaseDC (handle, hDC);
- setScrollWidth (newWidth, false);
- }
- if (end < topIndex) {
- topIndex -= end - start + 1;
- OS.SendMessage (handle, OS.LB_SETTOPINDEX, topIndex, 0);
- }
- if (index <= end) {
- if (0 <= index && index < count) error (SWT.ERROR_ITEM_NOT_REMOVED);
- 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 ();
- int index = indexOf (string, 0);
- if (index == -1) error (SWT.ERROR_INVALID_ARGUMENT);
- remove (index);
-}
-
-/**
- * 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.SendMessage (handle, OS.LB_RESETCONTENT, 0, 0);
- if ((style & SWT.H_SCROLL) != 0) {
- OS.SendMessage (handle, OS.LB_SETHORIZONTALEXTENT, 0, 0);
- }
-}
-
-/**
- * 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 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 count = OS.SendMessage (handle, OS.LB_GETCOUNT, 0, 0);
- for (int i=0; i<indices.length; i++) {
- int index = indices [i];
- if (0 <= index && index < count) {
- select (index);
- return;
- }
- }
- return;
- }
- int focusIndex = getFocusIndex ();
- for (int i=0; i<indices.length; i++) {
- int index = indices [i];
- if (index != -1) {
- OS.SendMessage (handle, OS.LB_SETSEL, 1, index);
- }
- }
- if (focusIndex != -1) setFocusIndex (focusIndex);
-}
-
-/**
- * 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;
- int topIndex = OS.SendMessage (handle, OS.LB_GETTOPINDEX, 0, 0);
- RECT itemRect = new RECT (), selectedRect = null;
- OS.SendMessage (handle, OS.LB_GETITEMRECT, index, itemRect);
- boolean redraw = drawCount == 0 && OS.IsWindowVisible (handle);
- if (redraw) {
- OS.UpdateWindow (handle);
- OS.SendMessage (handle, OS.WM_SETREDRAW, 0, 0);
- }
- int focusIndex = -1;
- if ((style & SWT.SINGLE) != 0) {
- int oldIndex = OS.SendMessage (handle, OS.LB_GETCURSEL, 0, 0);
- if (oldIndex != -1) {
- selectedRect = new RECT ();
- OS.SendMessage (handle, OS.LB_GETITEMRECT, oldIndex, selectedRect);
- }
- OS.SendMessage (handle, OS.LB_SETCURSEL, index, 0);
- } else {
- focusIndex = OS.SendMessage (handle, OS.LB_GETCARETINDEX, 0, 0);
- OS.SendMessage (handle, OS.LB_SETSEL, 1, index);
- }
- OS.SendMessage (handle, OS.LB_SETTOPINDEX, topIndex, 0);
- if (redraw) {
- OS.SendMessage (handle, OS.WM_SETREDRAW, 1, 0);
- OS.ValidateRect (handle, null);
- OS.InvalidateRect (handle, itemRect, true);
- if (selectedRect != null) {
- OS.InvalidateRect (handle, selectedRect, true);
- }
- }
- if ((style & SWT.MULTI) != 0) {
- if (focusIndex != -1) {
- OS.SendMessage (handle, OS.LB_SETCARETINDEX, index, 0);
- }
- }
-}
-
-/**
- * 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 count = OS.SendMessage (handle, OS.LB_GETCOUNT, 0, 0);
- int index = Math.min (count - 1, end);
- if (index >= start) select (index);
- return;
- }
- /*
- * Ensure that at least one item is contained in
- * the range from start to end. Note that when
- * start = end, LB_SELITEMRANGEEX deselects the
- * item.
- */
- int count = OS.SendMessage (handle, OS.LB_GETCOUNT, 0, 0);
- if (start < 0 && end < 0) return;
- if (start >= count && end >= count) return;
- start = Math.min (count - 1, Math.max (0, start));
- end = Math.min (count - 1, Math.max (0, end));
- if (start == end) {
- select (start);
- return;
- }
- OS.SendMessage (handle, OS.LB_SELITEMRANGEEX, start, end);
-}
-
-/**
- * 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;
- OS.SendMessage (handle, OS.LB_SETSEL, 1, -1);
-}
-
-void setBounds (int x, int y, int width, int height, int flags) {
- /*
- * Bug in Windows. If the receiver is scrolled horizontally
- * and is resized, the list does not redraw properly. The fix
- * is to redraw the receiver.
- */
- if ((parent.hdwp != 0) || ((flags & OS.SWP_NOSIZE) != 0)) {
- super.setBounds (x, y, width, height, flags);
- return;
- }
- RECT rect = new RECT ();
- OS.GetWindowRect (handle, rect);
- super.setBounds (x, y, width, height, flags);
- if (((rect.right - rect.left) == width) || ((rect.bottom - rect.top) == height)) return;
- SCROLLINFO info = new SCROLLINFO ();
- info.cbSize = SCROLLINFO.sizeof;
- info.fMask = OS.SIF_POS;
- if (!OS.GetScrollInfo (handle, OS.SB_HORZ, info)) return;
- if (info.nPos != 0) OS.InvalidateRect (handle, null, true);
-}
-
-void setFocusIndex (int index) {
- OS.SendMessage (handle, OS.LB_SETCARETINDEX, index, 0);
-}
-
-public void setFont (Font font) {
- checkWidget ();
- super.setFont (font);
- if ((style & SWT.H_SCROLL) != 0) setScrollWidth ();
-}
-
-/**
- * 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);
- int topIndex = getTopIndex ();
- boolean isSelected = isSelected (index);
- remove (index);
- add (string, index);
- if (isSelected) select (index);
- setTopIndex (topIndex);
-}
-
-/**
- * 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);
- int oldProc = OS.GetWindowLong (handle, OS.GWL_WNDPROC);
- OS.SetWindowLong (handle, OS.GWL_WNDPROC, ListProc);
- boolean redraw = drawCount == 0 && OS.IsWindowVisible (handle);
- if (redraw) {
- OS.SendMessage (handle, OS.WM_SETREDRAW, 0, 0);
- }
- RECT rect = null;
- boolean failed = false;
- int hDC = 0, oldFont = 0, newFont = 0, newWidth = 0;
- if ((style & SWT.H_SCROLL) != 0) {
- rect = new RECT ();
- hDC = OS.GetDC (handle);
- newFont = OS.SendMessage (handle, OS.WM_GETFONT, 0, 0);
- if (newFont != 0) oldFont = OS.SelectObject (hDC, newFont);
- OS.SendMessage (handle, OS.LB_SETHORIZONTALEXTENT, 0, 0);
- }
- int length = items.length;
- OS.SendMessage (handle, OS.LB_RESETCONTENT, 0, 0);
- OS.SendMessage (handle, OS.LB_INITSTORAGE, length, length * 32);
- int index = 0;
- int cp = getCodePage ();
- while (index < length) {
- String string = items [index];
- if (string == null) break;
- TCHAR buffer = new TCHAR (cp, string, true);
- int result = OS.SendMessage (handle, OS.LB_ADDSTRING, 0, buffer);
- if (result == OS.LB_ERR || result == OS.LB_ERRSPACE) break;
- if ((style & SWT.H_SCROLL) != 0) {
- int flags = OS.DT_CALCRECT | OS.DT_SINGLELINE | OS.DT_NOPREFIX;
- OS.DrawText (hDC, buffer, buffer.length (), rect, flags);
- newWidth = Math.max (newWidth, rect.right - rect.left);
- }
- index++;
- }
- if ((style & SWT.H_SCROLL) != 0) {
- if (newFont != 0) OS.SelectObject (hDC, oldFont);
- OS.ReleaseDC (handle, hDC);
- OS.SendMessage (handle, OS.LB_SETHORIZONTALEXTENT, newWidth + 3, 0);
- }
- if (redraw) {
- OS.SendMessage (handle, OS.WM_SETREDRAW, 1, 0);
- /*
- * This code is intentionally commented. The window proc
- * for the list box implements WM_SETREDRAW to invalidate
- * and erase the widget. This is undocumented behavior.
- * The commented code below shows what is actually happening
- * and reminds us that we are relying on this undocumented
- * behavior.
- */
-// int flags = OS.RDW_ERASE | OS.RDW_FRAME | OS.RDW_INVALIDATE;
-// OS.RedrawWindow (handle, null, 0, flags);
- }
- OS.SetWindowLong (handle, OS.GWL_WNDPROC, oldProc);
- if (index < items.length) error (SWT.ERROR_ITEM_NOT_ADDED);
-}
-
-void setScrollWidth () {
- int newWidth = 0;
- RECT rect = new RECT ();
- int newFont, oldFont = 0;
- int hDC = OS.GetDC (handle);
- newFont = OS.SendMessage (handle, OS.WM_GETFONT, 0, 0);
- if (newFont != 0) oldFont = OS.SelectObject (hDC, newFont);
- int cp = getCodePage ();
- int count = OS.SendMessage (handle, OS.LB_GETCOUNT, 0, 0);
- int flags = OS.DT_CALCRECT | OS.DT_SINGLELINE | OS.DT_NOPREFIX;
- for (int i=0; i<count; i++) {
- int length = OS.SendMessage (handle, OS.LB_GETTEXTLEN, i, 0);
- if (length != OS.LB_ERR) {
- TCHAR buffer = new TCHAR (cp, length + 1);
- int result = OS.SendMessage (handle, OS.LB_GETTEXT, i, buffer);
- if (result != OS.LB_ERR) {
- OS.DrawText (hDC, buffer, -1, rect, flags);
- newWidth = Math.max (newWidth, rect.right - rect.left);
- }
- }
- }
- if (newFont != 0) OS.SelectObject (hDC, oldFont);
- OS.ReleaseDC (handle, hDC);
- OS.SendMessage (handle, OS.LB_SETHORIZONTALEXTENT, newWidth + 3, 0);
-}
-
-void setScrollWidth (TCHAR buffer, boolean grow) {
- RECT rect = new RECT ();
- int newFont, oldFont = 0;
- int hDC = OS.GetDC (handle);
- newFont = OS.SendMessage (handle, OS.WM_GETFONT, 0, 0);
- if (newFont != 0) oldFont = OS.SelectObject (hDC, newFont);
- int flags = OS.DT_CALCRECT | OS.DT_SINGLELINE | OS.DT_NOPREFIX;
- OS.DrawText (hDC, buffer, -1, rect, flags);
- if (newFont != 0) OS.SelectObject (hDC, oldFont);
- OS.ReleaseDC (handle, hDC);
- setScrollWidth (rect.right - rect.left, grow);
-}
-
-void setScrollWidth (int newWidth, boolean grow) {
- int width = OS.SendMessage (handle, OS.LB_GETHORIZONTALEXTENT, 0, 0);
- if (grow) {
- if (newWidth <= width) return;
- OS.SendMessage (handle, OS.LB_SETHORIZONTALEXTENT, newWidth + 3, 0);
- } else {
- if (newWidth < width) return;
- setScrollWidth ();
- }
-}
-
-/**
- * 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);
- if ((style & SWT.MULTI) != 0) deselectAll ();
- select (indices);
- if ((style & SWT.MULTI) != 0) {
- if (indices.length != 0) {
- int focusIndex = indices [0];
- if (focusIndex != -1) setFocusIndex (focusIndex);
- }
- }
-}
-
-/**
- * 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);
- if ((style & SWT.MULTI) != 0) deselectAll ();
- int focusIndex = -1;
- for (int i=items.length-1; i>=0; --i) {
- String string = items [i];
- int index = 0;
- if (string != null) {
- int localFocus = -1;
- while ((index = indexOf (string, index)) != -1) {
- if (localFocus == -1) localFocus = index;
- select (index);
- if ((style & SWT.SINGLE) != 0 && isSelected (index)) {
- /*
- * Return and rely on the fact that select ()
- * for single-select lists clears the previous
- * selection.
- */
- return;
- }
- index++;
- }
- if (localFocus != -1) focusIndex = localFocus;
- }
- }
- if ((style & SWT.SINGLE) != 0) deselectAll ();
- if ((style & SWT.MULTI) != 0) {
- if (focusIndex != -1) setFocusIndex (focusIndex);
- }
-}
-
-/**
- * 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);
- if ((style & SWT.MULTI) != 0) {
- if (index != -1) setFocusIndex (index);
- }
-}
-
-/**
- * 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);
- if ((style & SWT.MULTI) != 0) {
- if (start != -1) setFocusIndex (start);
- }
-}
-
-/**
- * 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 result = OS.SendMessage (handle, OS.LB_SETTOPINDEX, index, 0);
- if (result == OS.LB_ERR) {
- int count = OS.SendMessage (handle, OS.LB_GETCOUNT, 0, 0);
- index = Math.min (count - 1, Math.max (0, index));
- OS.SendMessage (handle, OS.LB_SETTOPINDEX, index, 0);
- }
-}
-
-/**
- * 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 index;
- if ((style & SWT.SINGLE) != 0) {
- index = OS.SendMessage (handle, OS.LB_GETCURSEL, 0, 0);
- } else {
- int [] indices = new int [1];
- int result = OS.SendMessage (handle, OS.LB_GETSELITEMS, 1, indices);
- index = indices [0];
- if (result != 1) index = -1;
- }
- if (index == -1) return;
- int count = OS.SendMessage (handle, OS.LB_GETCOUNT, 0, 0);
- if (count == 0) return;
- int height = OS.SendMessage (handle, OS.LB_GETITEMHEIGHT, 0, 0);
- RECT rect = new RECT ();
- OS.GetClientRect (handle, rect);
- int topIndex = OS.SendMessage (handle, OS.LB_GETTOPINDEX, 0, 0);
- int visibleCount = Math.max (rect.bottom / height, 1);
- int bottomIndex = Math.min (topIndex + visibleCount + 1, count - 1);
- if ((topIndex <= index) && (index <= bottomIndex)) return;
- int newTop = Math.min (Math.max (index - (visibleCount / 2), 0), count - 1);
- OS.SendMessage (handle, OS.LB_SETTOPINDEX, newTop, 0);
-}
-
-int widgetStyle () {
- int bits = super.widgetStyle () | OS.LBS_NOTIFY | OS.LBS_NOINTEGRALHEIGHT;
- if ((style & SWT.SINGLE) != 0) return bits;
- if ((style & SWT.MULTI) != 0) {
- if ((style & SWT.SIMPLE) != 0) return bits | OS.LBS_MULTIPLESEL;
- return bits | OS.LBS_EXTENDEDSEL;
- }
- return bits;
-}
-
-TCHAR windowClass () {
- return ListClass;
-}
-
-int windowProc () {
- return ListProc;
-}
-
-LRESULT wmCommandChild (int wParam, int lParam) {
- int code = wParam >> 16;
- switch (code) {
- case OS.LBN_SELCHANGE:
- postEvent (SWT.Selection);
- break;
- case OS.LBN_DBLCLK:
- postEvent (SWT.DefaultSelection);
- break;
- }
- return super.wmCommandChild (wParam, lParam);
-}
-
-LRESULT wmScroll (int msg, int wParam, int lParam) {
- int code = callWindowProc (msg, wParam, lParam);
- if (code == 0) return LRESULT.ZERO;
- return new LRESULT (code);
-}
-
-}

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