diff options
Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/photon/org/eclipse/swt/widgets/List.java')
| -rwxr-xr-x | bundles/org.eclipse.swt/Eclipse SWT/photon/org/eclipse/swt/widgets/List.java | 1256 |
1 files changed, 0 insertions, 1256 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/photon/org/eclipse/swt/widgets/List.java b/bundles/org.eclipse.swt/Eclipse SWT/photon/org/eclipse/swt/widgets/List.java deleted file mode 100755 index 0a6f0c0582..0000000000 --- a/bundles/org.eclipse.swt/Eclipse SWT/photon/org/eclipse/swt/widgets/List.java +++ /dev/null @@ -1,1256 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2006 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.swt.widgets; - - -import org.eclipse.swt.internal.*; -import org.eclipse.swt.internal.photon.*; -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 notification - * when a string is selected. A list may be single or multi select. - * <p> - * <dl> - * <dt><b>Styles:</b></dt> - * <dd>SINGLE, MULTI</dd> - * <dt><b>Events:</b></dt> - * <dd>Selection, DefaultSelection</dd> - * </dl> - * <p> - * Note: Only one of SINGLE and MULTI may be specified. - * </p><p> - * IMPORTANT: This class is <em>not</em> intended to be subclassed. - * </p> - */ -public class List extends Scrollable { - -/** - * Constructs a new instance of this class given its parent - * and a style value describing its behavior and appearance. - * <p> - * The style value is either one of the style constants defined in - * class <code>SWT</code> which is applicable to instances of this - * class, or must be built by <em>bitwise OR</em>'ing together - * (that is, using the <code>int</code> "|" operator) two or more - * of those <code>SWT</code> style constants. The class description - * lists the style constants that are applicable to the class. - * Style bits are also inherited from superclasses. - * </p> - * - * @param parent a composite control which will be the parent of the new instance (cannot be null) - * @param style the style of control to construct - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> - * </ul> - * @exception SWTException <ul> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> - * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> - * </ul> - * - * @see SWT#SINGLE - * @see SWT#MULTI - * @see Widget#checkSubclass - * @see Widget#getStyle - */ -public List (Composite parent, int style) { - super (parent, checkStyle (style)); -} - -static int checkStyle (int style) { - return checkBits (style, SWT.SINGLE, SWT.MULTI, 0, 0, 0, 0); -} - -/** - * 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> - * - * @see #add(String,int) - */ -public void add (String string) { - checkWidget(); - if (string == null) error (SWT.ERROR_NULL_ARGUMENT); - byte [] buffer = Converter.wcsToMbcs (null, string, true); - int ptr = OS.malloc (buffer.length); - OS.memmove (ptr, buffer, buffer.length); - OS.PtListAddItems (handle, new int [] {ptr}, 1, 0); - OS.free (ptr); -} - -/** - * 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); -} - -/** - * 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> - * - * @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); - byte [] buffer = Converter.wcsToMbcs (null, string, true); - int ptr = OS.malloc (buffer.length); - OS.memmove (ptr, buffer, buffer.length); - int result = OS.PtListAddItems (handle, new int [] {ptr}, 1, index + 1); - OS.free (ptr); - if (result != 0) { - int [] args = new int [] {OS.Pt_ARG_LIST_ITEM_COUNT, 0, 0}; - OS.PtGetResources (handle, args.length / 3, args); - if (0 <= index && index <= args [1]) error (SWT.ERROR_ITEM_NOT_ADDED); - error (SWT.ERROR_INVALID_RANGE); - } -} - -public Point computeSize (int wHint, int hHint, boolean changed) { - checkWidget(); - - int [] args = new int [] { - OS.Pt_ARG_WIDTH, 0, 0, - OS.Pt_ARG_HEIGHT, 0, 0, - OS.Pt_ARG_LIST_ITEM_COUNT, 0, 0, - }; - OS.PtGetResources (handle, args.length / 3, args); - int resizeFlags = OS.Pt_RESIZE_X_ALWAYS | OS.Pt_RESIZE_Y_ALWAYS; - OS.PtSetResource (handle, OS.Pt_ARG_RESIZE_FLAGS, resizeFlags, OS.Pt_RESIZE_XY_BITS); - if (!OS.PtWidgetIsRealized (handle)) OS.PtExtentWidgetFamily (handle); - PhDim_t dim = new PhDim_t (); - OS.PtWidgetPreferredSize (handle, dim); - int width = dim.w, height = dim.h; - OS.PtSetResource (handle, OS.Pt_ARG_RESIZE_FLAGS, 0, OS.Pt_RESIZE_XY_BITS); - OS.PtSetResources (handle, args.length / 3, args); - if (args [7] <= 0) { - width += DEFAULT_WIDTH; - height += DEFAULT_HEIGHT; - } - - if (wHint != SWT.DEFAULT || hHint != SWT.DEFAULT) { - PhRect_t rect = new PhRect_t (); - PhArea_t area = new PhArea_t (); - rect.lr_x = (short) (wHint - 1); - rect.lr_y = (short) (hHint - 1); - OS.PtSetAreaFromWidgetCanvas (handle, rect, area); - ScrollBar scroll; - if (wHint != SWT.DEFAULT) { - width = area.size_w; - if ((scroll = getVerticalBar()) != null) width += scroll.getSize ().x; - } - if (hHint != SWT.DEFAULT) { - height = area.size_h; - if ((scroll = getHorizontalBar()) != null) height += scroll.getSize ().y; - } - } - return new Point(width, height); -} - -void createHandle (int index) { - state |= HANDLE; - int clazz = display.PtList; - int parentHandle = parent.parentingHandle (); - int mode = OS.Pt_SELECTION_MODE_SINGLE | OS.Pt_SELECTION_MODE_AUTO; - if ((style & SWT.MULTI) != 0) { - if ((style & SWT.SIMPLE) != 0) { - mode = OS.Pt_SELECTION_MODE_MULTIPLE | OS.Pt_SELECTION_MODE_NOCLEAR - | OS.Pt_SELECTION_MODE_TOGGLE | OS.Pt_SELECTION_MODE_NOMOVE; - } else { - mode = OS.Pt_SELECTION_MODE_MULTIPLE | OS.Pt_SELECTION_MODE_AUTO; - } - } - mode |= OS.Pt_SELECTION_MODE_NOFOCUS; - boolean hasBorder = (style & SWT.BORDER) != 0; - int listFlags = OS.Pt_LIST_SCROLLBAR_ALWAYS | OS.Pt_LIST_SCROLLBAR_AS_REQUIRED; - int [] args = { - OS.Pt_ARG_FLAGS, hasBorder ? OS.Pt_HIGHLIGHTED : 0, OS.Pt_HIGHLIGHTED, - OS.Pt_ARG_SELECTION_MODE, mode, 0, - OS.Pt_ARG_FLAGS, OS.Pt_SELECTABLE | OS.Pt_SELECT_NOREDRAW, OS.Pt_SELECTABLE | OS.Pt_SELECT_NOREDRAW, - OS.Pt_ARG_LIST_FLAGS, (style & SWT.V_SCROLL) != 0 ? OS.Pt_LIST_SCROLLBAR_AS_REQUIRED : 0, listFlags, - OS.Pt_ARG_RESIZE_FLAGS, 0, OS.Pt_RESIZE_XY_BITS, - }; - handle = OS.PtCreateWidget (clazz, parentHandle, args.length / 3, args); - if (handle == 0) error (SWT.ERROR_NO_HANDLES); - createStandardScrollBars (); -} - -int defaultBackground () { - return display.LIST_BACKGROUND; -} - -byte [] defaultFont () { - return display.LIST_FONT; -} - -int defaultForeground () { - return display.LIST_FOREGROUND; -} - -/** - * 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 < 0) return; - OS.PtListUnselectPos (handle, index + 1); -} - -/** - * Deselects the items at the given zero-relative indices in the receiver. - * If the item at the given zero-relative index in the receiver - * is selected, it is deselected. If the item at the index - * was not selected, it remains deselected. The range of the - * indices is inclusive. Indices that are out of range are ignored. - * - * @param start the start index of the items to deselect - * @param end the end index of the items to deselect - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - */ -public void deselect (int start, int end) { - checkWidget(); - if (start > end) return; - if ((style & SWT.SINGLE) != 0) { - int [] args = new int [] {OS.Pt_ARG_LIST_ITEM_COUNT, 0, 0}; - OS.PtGetResources (handle, args.length / 3, args); - int count = args [1]; - int index = Math.min (count - 1, end); - if (index >= start) deselect (index); - return; - } - for (int i=start; i<=end; i++) { - OS.PtListUnselectPos (handle, i + 1); - } -} - -/** - * Deselects the items at the given zero-relative indices in the receiver. - * If the item at the given zero-relative index in the receiver - * is selected, it is deselected. If the item at the index - * was not selected, it remains deselected. 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 set of indices 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; - for (int i=0; i<indices.length; i++) { - int index = indices [i]; - if (index != -1) { - OS.PtListUnselectPos (handle, index + 1); - } - } -} - -/** - * 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(); - int [] args = new int [] {OS.Pt_ARG_LIST_ITEM_COUNT, 0, 0}; - OS.PtGetResources (handle, args.length / 3, args); - int count = args [1]; - for (int i=0; i<count; i++) { - OS.PtListUnselectPos (handle, i + 1); - } -} - -/** - * Returns the zero-relative index of the item which currently - * has the focus in the receiver, or -1 if no item 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 () { - return getSelectionIndex (); -} - -/** - * 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> - */ -public String getItem (int index) { - checkWidget(); - int [] args = new int [] { - OS.Pt_ARG_LIST_ITEM_COUNT, 0, 0, - OS.Pt_ARG_ITEMS, 0, 0, - }; - OS.PtGetResources (handle, args.length / 3, args); - if (!(0 <= index && index < args [1])) { - error (SWT.ERROR_INVALID_RANGE); - } - int [] items = new int [1]; - OS.memmove (items, args [4] + (index * 4), 4); - int length = OS.strlen (items [0]); - byte [] buffer = new byte [length]; - OS.memmove (buffer, items [0], length); - char [] unicode = Converter.mbcsToWcs (null, buffer); - return new String (unicode); -} - -/** - * 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> - */ -public int getItemCount () { - checkWidget(); - int [] args = new int [] {OS.Pt_ARG_LIST_ITEM_COUNT, 0, 0}; - OS.PtGetResources (handle, args.length / 3, args); - return args [1]; -} - -/** - * Returns the height of the area which would be used to - * display <em>one</em> of the items in the 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> - */ -public int getItemHeight () { - checkWidget(); - int [] args = new int [] { - OS.Pt_ARG_LIST_TOTAL_HEIGHT, 0, 0, - OS.Pt_ARG_LIST_ITEM_COUNT, 0, 0, - OS.Pt_ARG_LIST_FONT, 0, 0, - }; - OS.PtGetResources (handle, args.length / 3, args); - if (args [4] == 0) { - int ptr = OS.malloc(1); - OS.memset(ptr, 0, 1); - PhRect_t rect = new PhRect_t (); - OS.PfExtentText(rect, null, args [7], ptr, 1); - OS.free(ptr); - int inset = 4; - return inset + (rect.lr_y - rect.ul_y + 1); - } - return args [1] / args [4]; -} - -/** - * Returns a (possibly empty) 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> - */ -public String [] getItems () { - checkWidget(); - int [] args = new int [] { - OS.Pt_ARG_LIST_ITEM_COUNT, 0, 0, - OS.Pt_ARG_ITEMS, 0, 0, - }; - OS.PtGetResources (handle, args.length / 3, args); - int [] items = new int [args [1]]; - OS.memmove (items, args [4], args [1] * 4); - String [] result = new String [args [1]]; - for (int i=0; i<args [1]; i++) { - int length = OS.strlen (items [i]); - byte [] buffer = new byte [length]; - OS.memmove (buffer, items [i], length); - char [] unicode = Converter.mbcsToWcs (null, buffer); - result [i] = new String (unicode); - } - return result; - -} - -/** - * Returns an array of <code>String</code>s that are currently - * selected in the receiver. The order of the items is unspecified. - * 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> - */ -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> - */ -public int getSelectionCount () { - checkWidget(); - int [] args = new int [] {OS.Pt_ARG_LIST_SEL_COUNT, 0, 0}; - OS.PtGetResources (handle, args.length / 3, args); - return args [1]; -} - -/** - * Returns the zero-relative index of the item which is currently - * selected in the receiver, or -1 if no item is selected. - * - * @return the index of the selected item or -1 - * - * @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 [] args = new int [] { - OS.Pt_ARG_LIST_SEL_COUNT, 0, 0, - OS.Pt_ARG_SELECTION_INDEXES, 0, 0, - }; - OS.PtGetResources (handle, args.length / 3, args); - if (args [1] == 0) return -1; - short [] buffer = new short [1]; - OS.memmove (buffer, args [4], 2); - return buffer [0] - 1; -} - -/** - * Returns the zero-relative indices of the items which are currently - * selected in the receiver. The order of the indices is unspecified. - * 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> - */ -public int [] getSelectionIndices () { - checkWidget(); - int [] args = new int [] { - OS.Pt_ARG_LIST_SEL_COUNT, 0, 0, - OS.Pt_ARG_SELECTION_INDEXES, 0, 0, - }; - OS.PtGetResources (handle, args.length / 3, args); - short [] indices = new short [args [1]]; - OS.memmove (indices, args [4], args [1] * 2); - int [] result = new int [args [1]]; - for (int i=0; i<args [1]; i++) { - result [i] = indices [i] - 1; - } - return result; -} - -/** - * Returns the zero-relative index of the item which is currently - * at the top of the receiver. This index can change when items are - * scrolled or new items are added or removed. - * - * @return the index of the top item - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - */ -public int getTopIndex () { - checkWidget(); - int [] args = new int [] {OS.Pt_ARG_TOP_ITEM_POS, 0, 0}; - OS.PtGetResources (handle, args.length / 3, args); - return args [1] - 1; -} - -void hookEvents () { - super.hookEvents (); - int windowProc = display.windowProc; - OS.PtAddCallback (handle, OS.Pt_CB_SELECTION, windowProc, OS.Pt_CB_SELECTION); - OS.PtAddCallback (handle, OS.Pt_CB_ACTIVATE, windowProc, OS.Pt_CB_ACTIVATE); -} - -/** - * Gets the index of an item. - * <p> - * The list is searched starting at 0 until an - * item is found that is equal to the search item. - * If no item is found, -1 is returned. Indexing - * is zero based. - * - * @param string the search item - * @return the index of the item - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the string is null</li> - * </ul> - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - */ -public int indexOf (String string) { - checkWidget(); - if (string == null) error (SWT.ERROR_NULL_ARGUMENT); - byte [] buffer = Converter.wcsToMbcs (null, string, true); - return OS.PtListItemPos (handle, buffer) - 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 - * @param start the zero-relative index at which to start the search - * @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); - if (start == 0) return indexOf(string); - int [] args = new int [] { - OS.Pt_ARG_LIST_ITEM_COUNT, 0, 0, - OS.Pt_ARG_ITEMS, 0, 0, - }; - OS.PtGetResources (handle, args.length / 3, args); - int count = args [1]; - if (!(0 <= start && start < count)) return -1; - int [] item = new int [1]; - for (int index=start; index<count; index++) { - OS.memmove (item, args [4] + (index * 4), 4); - int length = OS.strlen (item [0]); - byte [] buffer = new byte [length]; - OS.memmove (buffer, item [0], length); - if (string.equals(new String (Converter.mbcsToWcs (null, buffer)))) return index; - } - return -1; -} - -/** - * 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 [] args = new int [] { - OS.Pt_ARG_LIST_SEL_COUNT, 0, 0, - OS.Pt_ARG_SELECTION_INDEXES, 0, 0, - }; - OS.PtGetResources (handle, args.length / 3, args); - short [] buffer = new short [1]; - for (int i=0; i<args [1]; i++) { - OS.memmove (buffer, args [4] + (i * 2), 2); - if (buffer [0] == index + 1) return true; - } - return false; -} - -int Pt_CB_ACTIVATE (int widget, int info) { - if (info == 0) return OS.Pt_END; - PtCallbackInfo_t cbinfo = new PtCallbackInfo_t (); - OS.memmove (cbinfo, info, PtCallbackInfo_t.sizeof); - if (cbinfo.cbdata == 0) return OS.Pt_END; - int[] click_count = new int [1]; - OS.memmove(click_count, cbinfo.cbdata, 4); - if (click_count [0] > 1) postEvent (SWT.DefaultSelection); - return OS.Pt_CONTINUE; -} - -int Pt_CB_SELECTION (int widget, int info) { - postEvent (SWT.Selection); - return OS.Pt_CONTINUE; -} - -/** - * 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> - */ -public void remove (int index) { - checkWidget(); - int [] args = new int [] {OS.Pt_ARG_LIST_ITEM_COUNT, 0, 0}; - OS.PtGetResources (handle, args.length / 3, args); - if (!(0 <= index && index < args [1])) error (SWT.ERROR_INVALID_RANGE); - int result = OS.PtListDeleteItemPos (handle, 1, index + 1); - if (result != 0) error (SWT.ERROR_ITEM_NOT_REMOVED); -} - -/** - * 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> - */ -public void remove (String string) { - checkWidget(); - int index = indexOf (string, 0); - if (index == -1) error (SWT.ERROR_INVALID_ARGUMENT); - remove (index); -} - -/** - * Removes the items from the receiver at the given - * zero-relative indices. - * - * @param indices the array of indices of the items - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> - * <li>ERROR_NULL_ARGUMENT - if the indices array 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 remove (int [] indices) { - checkWidget(); - if (indices == null) error (SWT.ERROR_NULL_ARGUMENT); - if (indices.length == 0) return; - int [] newIndices = new int [indices.length]; - System.arraycopy (indices, 0, newIndices, 0, indices.length); - sort (newIndices); - int start = newIndices [newIndices.length - 1], end = newIndices [0]; - int [] args = new int [] {OS.Pt_ARG_LIST_ITEM_COUNT, 0, 0}; - OS.PtGetResources (handle, args.length / 3, args); - int count = args [1]; - if (!(0 <= start && start <= end && end < count)) { - error (SWT.ERROR_INVALID_RANGE); - } - int last = -1; - for (int i=0; i<newIndices.length; i++ ) { - int index = newIndices [i]; - if (last != index) { - int result = OS.PtListDeleteItemPos (handle, 1, index + 1); - if (result != 0) error (SWT.ERROR_ITEM_NOT_REMOVED); - last = index; - } - } -} - -/** - * 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> - */ -public void remove (int start, int end) { - checkWidget(); - if (start > end) return; - int [] args = new int [] {OS.Pt_ARG_LIST_ITEM_COUNT, 0, 0}; - OS.PtGetResources (handle, args.length / 3, args); - if (!(0 <= start && start <= end && end < args [1])) { - error (SWT.ERROR_INVALID_RANGE); - } - int count = end - start + 1; - int result = OS.PtListDeleteItemPos (handle, count, start + 1); - if (result != 0) error (SWT.ERROR_ITEM_NOT_REMOVED); -} - -/** - * 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.PtListDeleteAllItems (handle); -} - -/** - * Removes the listener from the collection of listeners who will - * be notified when the receiver's selection changes. - * - * @param listener the listener which should no longer be notified - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> - * </ul> - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @see SelectionListener - * @see #addSelectionListener - */ -public void removeSelectionListener(SelectionListener listener) { - checkWidget(); - if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); - if (eventTable == null) return; - eventTable.unhook (SWT.Selection, listener); - eventTable.unhook (SWT.DefaultSelection,listener); -} - -/** - * Selects the items in the range specified by the given zero-relative - * indices in the receiver. The range of indices is inclusive. - * The current selection is not cleared before the new items are selected. - * <p> - * If an item in the given range is not selected, it is selected. - * If an item in the given range was already selected, it remains selected. - * Indices that are out of range are ignored and no items will be selected - * if start is greater than end. - * If the receiver is single-select and there is more than one item in the - * given range, then all indices 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> - * - * @see List#setSelection(int,int) - */ -public void select (int start, int end) { - checkWidget (); - if (end < 0 || start > end || ((style & SWT.SINGLE) != 0 && start != end)) return; - int [] args = new int [] {OS.Pt_ARG_LIST_ITEM_COUNT, 0, 0}; - OS.PtGetResources (handle, args.length / 3, args); - int count = args [1]; - if (count == 0 || start >= count) return; - start = Math.max (0, start); - end = Math.min (end, count - 1); - if ((style & SWT.SINGLE) != 0) { - select (start); - return; - } - int gotoIndex = -1; - for (int index=end; index>=start; index--) { - gotoIndex = index; - OS.PtListSelectPos (handle, index + 1); - } - if (gotoIndex != -1) OS.PtListGotoPos (handle, gotoIndex + 1); -} - -/** - * Selects the items at the given zero-relative indices in the receiver. - * The current selection is not cleared before the new items are selected. - * <p> - * If the item at a given index is not selected, it is selected. - * If the item at a given index was already selected, it remains selected. - * Indices that are out of range and duplicate indices are ignored. - * If the receiver is single-select and multiple indices are specified, - * then all indices are ignored. - * - * @param indices the array of indices for the items to select - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the array of indices 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#setSelection(int[]) - */ -public void select (int [] indices) { - checkWidget (); - if (indices == null) error (SWT.ERROR_NULL_ARGUMENT); - int length = indices.length; - if (length == 0 || ((style & SWT.SINGLE) != 0 && length > 1)) return; - int [] args = new int [] {OS.Pt_ARG_LIST_ITEM_COUNT, 0, 0}; - OS.PtGetResources (handle, args.length / 3, args); - int count = args [1]; - int gotoIndex = -1; - for (int i=0; i<length; i++) { - int index = indices [i]; - if (0 <= index && index < count) { - gotoIndex = index; - OS.PtListSelectPos (handle, index + 1); - } - } - if (gotoIndex != -1) OS.PtListGotoPos (handle, gotoIndex + 1); -} - -/** - * 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 < 0) return; - int [] args = new int [] {OS.Pt_ARG_LIST_ITEM_COUNT, 0, 0}; - OS.PtGetResources (handle, args.length / 3, args); - if (index < args [1]) { - OS.PtListSelectPos (handle, index + 1); - OS.PtListGotoPos (handle, index + 1); - } -} - -/** - * Selects all of the items in the receiver. - * <p> - * If the receiver is single-select, do nothing. - * - * @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; - int [] args = new int [] {OS.Pt_ARG_LIST_ITEM_COUNT, 0, 0}; - OS.PtGetResources (handle, args.length / 3, args); - int count = args [1]; - for (int i=0; i<count; i++) { - OS.PtListSelectPos (handle, i + 1); - } -} - -/** - * Sets the text of the item in the receiver's list at the given - * zero-relative index to the string argument. This is equivalent - * to <code>remove</code>'ing the old item at the index, and then - * <code>add</code>'ing the new item at that index. - * - * @param index the index for the item - * @param string the new text for the item - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> - * <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 setItem (int index, String string) { - checkWidget(); - if (string == null) error (SWT.ERROR_NULL_ARGUMENT); - int [] args = new int [] {OS.Pt_ARG_LIST_ITEM_COUNT, 0, 0}; - OS.PtGetResources (handle, args.length / 3, args); - if (!(0 <= index && index < args [1])) { - error (SWT.ERROR_INVALID_RANGE); - } - byte [] buffer = Converter.wcsToMbcs (null, string, true); - int ptr = OS.malloc (buffer.length); - OS.memmove (ptr, buffer, buffer.length); - OS.PtListReplaceItemPos (handle, new int [] {ptr}, 1, index + 1); - OS.free (ptr); -} - -/** - * Sets the receiver's items to be the given array of items. - * - * @param items the array of items - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the items array is null</li> - * <li>ERROR_INVALID_ARGUMENT - if an item in the items array 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 setItems (String [] items) { - checkWidget(); - if (items == null) error (SWT.ERROR_NULL_ARGUMENT); - for (int i=0; i<items.length; i++) { - if (items [i] == null) error (SWT.ERROR_INVALID_ARGUMENT); - } - OS.PtListDeleteAllItems (handle); - int[] itemsPtr = new int [items.length]; - for (int i=0; i<itemsPtr.length; i++) { - byte [] buffer = Converter.wcsToMbcs (null, items [i], true); - int ptr = OS.malloc (buffer.length); - OS.memmove (ptr, buffer, buffer.length); - itemsPtr [i] = ptr; - } - OS.PtListAddItems (handle, itemsPtr, itemsPtr.length, 0); - for (int i=0; i<itemsPtr.length; i++) { - OS.free (itemsPtr [i]); - } -} - -/** - * Selects the items in the range specified by the given zero-relative - * indices in the receiver. The range of indices is inclusive. - * The current selection is cleared before the new items are selected. - * <p> - * Indices that are out of range are ignored and no items will be selected - * if start is greater than end. - * If the receiver is single-select and there is more than one item in the - * given range, then all indices are ignored. - * - * @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 List#deselectAll() - * @see List#select(int,int) - */ -public void setSelection (int start, int end) { - checkWidget (); - if (end < 0 || start > end || ((style & SWT.SINGLE) != 0 && start != end)) { - deselectAll (); - return; - } - int [] args = new int [] {OS.Pt_ARG_LIST_ITEM_COUNT, 0, 0}; - OS.PtGetResources (handle, args.length / 3, args); - int count = args [1]; - if (count == 0 || start >= count) { - deselectAll (); - return; - } - start = Math.max (0, start); - end = Math.min (end, count - 1); - if ((style & SWT.MULTI) != 0) deselectAll (); - select (start, end); -} - -/** - * 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 selection is first cleared, then the new item is 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) { - if ((style & SWT.MULTI) != 0) deselectAll (); - select (index); -} - -/** - * Selects the items at the given zero-relative indices in the receiver. - * The current selection is cleared before the new items are selected. - * <p> - * Indices that are out of range and duplicate indices are ignored. - * If the receiver is single-select and multiple indices are specified, - * then all indices are ignored. - * - * @param indices the indices of the items to select - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the array of indices is null</li> - * </ul> - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @see List#deselectAll() - * @see List#select(int[]) - */ -public void setSelection(int[] indices) { - checkWidget (); - if (indices == null) error (SWT.ERROR_NULL_ARGUMENT); - deselectAll (); - int length = indices.length; - if (length == 0 || ((style & SWT.SINGLE) != 0 && length > 1)) return; - select (indices); -} - -/** - * Sets the receiver's selection to be the given array of items. - * The current selection is cleared before the new items are selected. - * <p> - * Items that are not in the receiver are ignored. - * If the receiver is single-select and multiple items are specified, - * then all items are ignored. - * - * @param items the array of items - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the array of items 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[]) - * @see List#setSelection(int[]) - */ -public void setSelection (String [] items) { - checkWidget (); - if (items == null) error (SWT.ERROR_NULL_ARGUMENT); - int length = items.length; - if (length == 0 || ((style & SWT.SINGLE) != 0 && length > 1)) { - deselectAll (); - return; - } - if ((style & SWT.MULTI) != 0) deselectAll (); - for (int i=length-1; i>=0; --i) { - int index = 0; - String string = items [i]; - if (string != null) { - while ((index = indexOf (string, index)) != -1) { - select (index); - if ((style & SWT.SINGLE) != 0) return; - index++; - } - } - } - if ((style & SWT.SINGLE) != 0) deselectAll (); -} - -/** - * 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(); - OS.PtSetResource (handle, OS.Pt_ARG_TOP_ITEM_POS, index + 1, 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 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 [] args = new int [] { - OS.Pt_ARG_LIST_SEL_COUNT, 0, 0, - OS.Pt_ARG_SELECTION_INDEXES, 0, 0, - OS.Pt_ARG_TOP_ITEM_POS, 0, 0, - OS.Pt_ARG_VISIBLE_COUNT, 0, 0, - OS.Pt_ARG_LIST_ITEM_COUNT, 0, 0 - }; - OS.PtGetResources (handle, args.length / 3, args); - if (args [1] == 0) return; - short [] buffer = new short [1]; - OS.memmove (buffer, args [4], 2); - int index = buffer [0] - 1; - int topIndex = args [7] - 1, visibleCount = args [10], count = args [13]; - int bottomIndex = Math.min (topIndex + visibleCount - 1, count); - if ((topIndex <= index) && (index <= bottomIndex)) return; - int lastIndex = Math.max (1, count - visibleCount + 1); - int newTop = Math.min (Math.max (index - (visibleCount / 2), 1), lastIndex); - OS.PtSetResource (handle, OS.Pt_ARG_TOP_ITEM_POS, newTop, 0); -} - -int widgetClass () { - return OS.PtList (); -} - -} |