| package org.eclipse.swt.widgets; |
| |
| /* |
| * Copyright (c) 2000, 2002 IBM Corp. All rights reserved. |
| * This file is made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| */ |
| |
| import org.eclipse.swt.*; |
| import org.eclipse.swt.internal.*; |
| import org.eclipse.swt.internal.gtk.*; |
| import org.eclipse.swt.graphics.*; |
| import org.eclipse.swt.events.*; |
| |
| |
| /**
|
| * Instances of this class represent a selectable user interface
|
| * object that displays a list of strings and issues notificiation
|
| * when a string selected. A list may be single or multi select.
|
| * <p>
|
| * <dl>
|
| * <dt><b>Styles:</b></dt>
|
| * <dd>SINGLE, MULTI</dd>
|
| * <dt><b>Events:</b></dt>
|
| * <dd>Selection, DefaultSelection</dd>
|
| * </dl>
|
| * <p>
|
| * Note: Only one of SINGLE and MULTI may be specified.
|
| * </p><p>
|
| * IMPORTANT: This class is <em>not</em> intended to be subclassed.
|
| * </p>
|
| */ |
| public class List extends Scrollable { |
| boolean selected; |
| |
| /**
|
| * 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)); |
| } |
| |
| /**
|
| * Adds the argument to the end of the receiver's list.
|
| *
|
| * @param string the new item
|
| *
|
| * @exception IllegalArgumentException <ul>
|
| * <li>ERROR_NULL_ARGUMENT - if the string is null</li>
|
| * </ul>
|
| * @exception SWTException <ul>
|
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
|
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
|
| * </ul>
|
| * @exception SWTError <ul>
|
| * <li>ERROR_ITEM_NOT_ADDED - if the operation fails because of an operating system failure</li>
|
| * </ul>
|
| *
|
| * @see #add(String,int)
|
| */ |
| public void add (String string) { |
| checkWidget(); |
| if (string == null) error (SWT.ERROR_NULL_ARGUMENT); |
| byte [] buffer = Converter.wcsToMbcs (null, string, true); |
| int ptr = OS.g_malloc (buffer.length); |
| OS.memmove (ptr, buffer, buffer.length); |
| blockSignal (handle, SWT.Selection); |
| int result = OS.gtk_clist_append (handle, new int [] {ptr}); |
| unblockSignal (handle, SWT.Selection); |
| OS.g_free (ptr); |
| } |
| |
| /**
|
| * 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 (!(0 <= index && index <= OS.GTK_CLIST_ROWS (handle))) { |
| error (SWT.ERROR_INVALID_RANGE); |
| } |
| byte [] buffer = Converter.wcsToMbcs (null, string, true); |
| int ptr = OS.g_malloc (buffer.length); |
| OS.memmove (ptr, buffer, buffer.length); |
| blockSignal (handle, SWT.Selection); |
| int result = OS.gtk_clist_insert (handle, index, new int [] {ptr}); |
| unblockSignal (handle, SWT.Selection); |
| OS.g_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); |
| } |
| |
| static int checkStyle (int style) { |
| return checkBits (style, SWT.SINGLE, SWT.MULTI, 0, 0, 0, 0); |
| } |
| |
| void createHandle (int index) { |
| state |= HANDLE; |
| fixedHandle = OS.gtk_fixed_new (); |
| if (fixedHandle == 0) error (SWT.ERROR_NO_HANDLES); |
| OS.gtk_fixed_set_has_window (fixedHandle, true); |
| scrolledHandle = OS.gtk_scrolled_window_new (0, 0); |
| if (scrolledHandle == 0) error (SWT.ERROR_NO_HANDLES); |
| handle = OS.gtk_clist_new (1); |
| if (handle == 0) error (SWT.ERROR_NO_HANDLES); |
| int parentHandle = parent.parentingHandle (); |
| OS.gtk_container_add (parentHandle, fixedHandle); |
| OS.gtk_container_add (fixedHandle, scrolledHandle); |
| OS.gtk_container_add (scrolledHandle, handle); |
| OS.gtk_widget_show (fixedHandle); |
| OS.gtk_widget_show (scrolledHandle); |
| OS.gtk_widget_show (handle); |
| |
| /* Force row_height to be computed */ |
| OS.gtk_clist_set_row_height (handle, 0); |
| |
| /* Single or Multiple Selection */ |
| int mode = (style & SWT.MULTI) != 0 ? OS.GTK_SELECTION_EXTENDED :OS.GTK_SELECTION_BROWSE; |
| OS.gtk_clist_set_selection_mode (handle, mode); |
| |
| //CHECK POLICY |
| if ((style & SWT.BORDER) != 0) { |
| OS.gtk_clist_set_shadow_type(handle, OS.GTK_SHADOW_ETCHED_IN); |
| } |
| int hsp = (style & SWT.H_SCROLL) != 0 ? OS.GTK_POLICY_AUTOMATIC : OS.GTK_POLICY_NEVER; |
| int vsp = (style & SWT.V_SCROLL) != 0 ? OS.GTK_POLICY_AUTOMATIC : OS.GTK_POLICY_NEVER; |
| OS.gtk_scrolled_window_set_policy (scrolledHandle, hsp, vsp); |
| } |
| |
| GdkColor defaultBackground () { |
| Display display = getDisplay (); |
| return display.COLOR_LIST_BACKGROUND; |
| } |
| |
| GdkColor defaultForeground () { |
| Display display = getDisplay (); |
| return display.COLOR_LIST_FOREGROUND; |
| } |
| |
| void hookEvents () { |
| //TO DO - get rid of enter/exit for mouse crossing border |
| super.hookEvents(); |
| Display display = getDisplay (); |
| int windowProc3 = display.windowProc3; |
| int windowProc5 = display.windowProc5; |
| OS.g_signal_connect (handle, OS.select_row, windowProc5, SWT.Selection); |
| OS.g_signal_connect (handle, OS.unselect_row, windowProc5, SWT.Selection); |
| OS.g_signal_connect (handle, OS.event_after, windowProc3, 0); |
| } |
| |
| public Point computeSize (int wHint, int hHint, boolean changed) { |
| checkWidget (); |
| Point size = super.computeSize (wHint, hHint, changed); |
| if (wHint != SWT.DEFAULT) { |
| size.x = wHint; |
| } else { |
| GtkStyle st = new GtkStyle (); |
| OS.memmove (st, OS.gtk_widget_get_style (handle)); |
| size.x = OS.gtk_clist_optimal_column_width (handle, 0) + vScrollBarWidth() + st.xthickness * 2; |
| } |
| return size; |
| } |
| |
| /**
|
| * 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(); |
| blockSignal (handle, SWT.Selection); |
| OS.gtk_clist_unselect_row (handle, index, 0); |
| unblockSignal (handle, SWT.Selection); |
| } |
| |
| /**
|
| * 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(); |
| blockSignal (handle, SWT.Selection); |
| for (int i=start; i<=end; i++) { |
| OS.gtk_clist_unselect_row (handle, i, 0); |
| } |
| unblockSignal (handle, SWT.Selection); |
| } |
| |
| /**
|
| * 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); |
| blockSignal (handle, SWT.Selection); |
| for (int i=0; i<indices.length; i++) { |
| OS.gtk_clist_unselect_row (handle, indices [i], 0); |
| } |
| unblockSignal (handle, SWT.Selection); |
| } |
| |
| /**
|
| * 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(); |
| blockSignal (handle, SWT.Selection); |
| OS.gtk_clist_unselect_all (handle); |
| unblockSignal (handle, SWT.Selection); |
| } |
| |
| GdkColor getBackgroundColor () { |
| return getBaseColor (); |
| } |
| |
| /**
|
| * 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.GTK_CLIST_FOCUS_ROW (handle); |
| } |
| |
| /**
|
| * 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(); |
| if (!(0 <= index && index < OS.GTK_CLIST_ROWS (handle))) { |
| error (SWT.ERROR_INVALID_RANGE); |
| } |
| int [] buffer = new int [1]; |
| int result = OS.gtk_clist_get_text (handle, index, 0, buffer); |
| int length = OS.strlen (buffer [0]); |
| byte [] buffer1 = new byte [length]; |
| OS.memmove (buffer1, buffer [0], length); |
| char [] buffer2 = Converter.mbcsToWcs (null, buffer1); |
| return new String (buffer2, 0, buffer2.length); |
| } |
| |
| /**
|
| * 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(); |
| return OS.GTK_CLIST_ROWS (handle); |
| } |
| |
| /**
|
| * 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(); |
| return OS.GTK_CLIST_ROW_HEIGHT (handle); |
| } |
| |
| /**
|
| * 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 list = OS.GTK_CLIST_SELECTION (handle); |
| if (list == 0) return new String [0]; |
| int length = OS.g_list_length (list); |
| String [] items = new String [length]; |
| int [] buffer = new int [1]; |
| for (int i=0; i<length; i++) { |
| int index = OS.g_list_nth_data (list, i); |
| int result = OS.gtk_clist_get_text (handle, index, 0, buffer); |
| int strlen = OS.strlen (buffer [0]); |
| byte [] buffer1 = new byte [strlen]; |
| OS.memmove (buffer1, buffer [0], strlen); |
| char [] buffer2 = Converter.mbcsToWcs (null, buffer1); |
| items [i] = new String (buffer2, 0, buffer2.length); |
| } |
| return items; |
| } |
| |
| /**
|
| * Returns the number of selected items contained in the receiver.
|
| *
|
| * @return the number of selected items
|
| *
|
| * @exception SWTException <ul>
|
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
|
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
|
| * </ul>
|
| * @exception SWTError <ul>
|
| * <li>ERROR_CANNOT_GET_COUNT - if the operation fails because of an operating system failure</li>
|
| * </ul>
|
| */ |
| public int getSelectionCount () { |
| checkWidget(); |
| int selection = OS.GTK_CLIST_SELECTION (handle); |
| if (selection == 0) return 0; |
| return OS.g_list_length (selection); |
| } |
| |
| /**
|
| * Returns the zero-relative index of the item which is currently
|
| * selected in the receiver, or -1 if no item is selected.
|
| *
|
| * @return the index of the selected item
|
| *
|
| * @exception SWTException <ul>
|
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
|
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
|
| * </ul>
|
| * @exception SWTError <ul>
|
| * <li>ERROR_CANNOT_GET_SELECTION - if the operation fails because of an operating system failure</li>
|
| * </ul>
|
| */ |
| public int getSelectionIndex () { |
| checkWidget(); |
| int selection = OS.GTK_CLIST_SELECTION (handle); |
| if (selection == 0 || OS.g_list_length (selection) == 0) return -1; |
| return OS.g_list_nth_data (selection, 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(); |
| int list = OS.GTK_CLIST_SELECTION (handle); |
| if (list == 0) return new int [0]; |
| int length = OS.g_list_length (list); |
| int [] indices = new int [length]; |
| for (int i=0; i<length; i++) { |
| indices [i] = OS.g_list_nth_data (list, i); |
| } |
| 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(); |
| int voffset = OS.GTK_CLIST_VOFFSET (handle); |
| int row_height = OS.GTK_CLIST_ROW_HEIGHT (handle); |
| return -voffset / (row_height + 1); |
| } |
| |
| /**
|
| * 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(); |
| 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); |
| String [] items = getItems (); |
| for (int i=start; i<items.length; i++) { |
| if (items [i].equals (string)) return i; |
| } |
| 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 list = OS.GTK_CLIST_SELECTION (handle); |
| if (list == 0) return false; |
| int length = OS.g_list_length (list); |
| for (int i=0; i<length; i++) { |
| if (index == OS.g_list_nth_data (list, i)) return true; |
| } |
| return false; |
| } |
| |
| int paintWindow () { |
| OS.gtk_widget_realize (handle); |
| return OS.GTK_CLIST_CLIST_WINDOW (handle); |
| } |
| |
| int processEvent (int eventNumber, int int0, int int1, int int2) { |
| if (eventNumber == 0) { |
| GdkEvent gdkEvent = new GdkEvent (); |
| OS.memmove (gdkEvent, int0, GdkEvent.sizeof); |
| switch (gdkEvent.type) { |
| case OS.GDK_BUTTON_PRESS: |
| case OS.GDK_2BUTTON_PRESS: { |
| OS.GTK_CLIST_RESYNC_SELECTION (handle); |
| break; |
| } |
| case OS.GDK_BUTTON_RELEASE: { |
| /* |
| * Feature in GTK. When an item is reselected, GTK |
| * does not issue notification. The fix is to detect |
| * that the mouse was released over a selected item when |
| * no selection signal was set and issue a fake selection |
| * event. |
| */ |
| if ((style & SWT.MULTI) != 0) { |
| if (selected) { |
| double[] px = new double [1], py = new double [1]; |
| OS.gdk_event_get_coords (int0, px, py); |
| int x = (int) (px[0]), y = (int) (py[0]); |
| int [] row = new int [1], column = new int [1]; |
| if (OS.gtk_clist_get_selection_info (handle, x, y, row, column) != 0) { |
| int list = OS.GTK_CLIST_SELECTION (handle); |
| if (list != 0) { |
| int length = OS.g_list_length (list); |
| for (int i=0; i<length; i++) { |
| if (row [0] == OS.g_list_nth_data (list, i)) { |
| postEvent (SWT.Selection); |
| } |
| } |
| } |
| } |
| } |
| selected = false; |
| } |
| break; |
| } |
| case OS.GDK_FOCUS_CHANGE: { |
| /* |
| * Bug in GTK. When an application opens a new modal top level |
| * shell from inside the "select_row" signal, the GtkCList does not get the |
| * mouse up and does not release grabs. The fix is to release the grabs |
| * when focus is lost. |
| */ |
| GdkEventFocus focusEvent = new GdkEventFocus (); |
| OS.memmove (focusEvent, int0, GdkEventFocus.sizeof); |
| if (focusEvent.in == 0) { |
| if (OS.gtk_grab_get_current () == handle) { |
| OS.gtk_grab_remove (handle); |
| OS.gdk_pointer_ungrab (OS.GDK_CURRENT_TIME); |
| } |
| } |
| break; |
| } |
| } |
| return 1; |
| } |
| return super.processEvent (eventNumber, int0, int1, int2); |
| } |
| |
| int processKeyDown (int callData, int arg1, int int2) { |
| int result = super.processKeyDown (callData, arg1, int2); |
| if (result != 0) return result; |
| |
| /* |
| * Feature in GTK. When an item is reselected using |
| * the space bar or default selected using the return key, |
| * GTK does not issue notification. The fix is to ignore the |
| * notification that is sent by GTK and look for the space key. |
| */ |
| GdkEventKey keyEvent = new GdkEventKey (); |
| OS.memmove (keyEvent, callData, GdkEventKey.sizeof); |
| int key = keyEvent.keyval; |
| switch (key) { |
| case OS.GDK_Return: |
| case OS.GDK_KP_Enter: |
| case OS.GDK_space: { |
| if (OS.GTK_CLIST_FOCUS_ROW (handle) != -1) { |
| int type = key == OS.GDK_space ? SWT.Selection : SWT.DefaultSelection; |
| postEvent (type); |
| } |
| break; |
| } |
| } |
| return result; |
| } |
| |
| |
| int processMouseDown (int int0, int int1, int int2) { |
| int result = super.processMouseDown (int0, int1, int2); |
| if ((style & SWT.MULTI) != 0) selected = true; |
| return result; |
| } |
| |
| int processSelection (int int0, int int1, int int2) { |
| if (int0 != OS.GTK_CLIST_FOCUS_ROW (handle)) return 0; |
| if ((style & SWT.MULTI) != 0) selected = false; |
| int eventType = SWT.Selection; |
| if (int2 != 0) { |
| GdkEvent gdkEvent = new GdkEvent (); |
| OS.memmove (gdkEvent, int2, GdkEvent.sizeof); |
| if (gdkEvent.type == OS.GDK_2BUTTON_PRESS) { |
| eventType = SWT.DefaultSelection; |
| } |
| } |
| postEvent (eventType); |
| return 0; |
| } |
| |
| /**
|
| * Removes the item from the receiver at the given
|
| * zero-relative index.
|
| *
|
| * @param index the index for the item
|
| *
|
| * @exception IllegalArgumentException <ul>
|
| * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li>
|
| * </ul>
|
| * @exception SWTException <ul>
|
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
|
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
|
| * </ul>
|
| * @exception SWTError <ul>
|
| * <li>ERROR_ITEM_NOT_REMOVED - if the operation fails because of an operating system failure</li>
|
| * </ul>
|
| */ |
| public void remove (int index) { |
| checkWidget(); |
| if (!(0 <= index && index < OS.GTK_CLIST_ROWS (handle))) { |
| error (SWT.ERROR_INVALID_RANGE); |
| } |
| blockSignal (handle, SWT.Selection); |
| OS.gtk_clist_remove (handle, index); |
| unblockSignal (handle, SWT.Selection); |
| } |
| |
| /**
|
| * 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 (!(0 < start && start <= end && end < OS.GTK_CLIST_ROWS (handle))) { |
| error (SWT.ERROR_INVALID_RANGE); |
| } |
| blockSignal (handle, SWT.Selection); |
| int index = start; |
| while (index <= end) { |
| OS.gtk_clist_remove (handle, start); |
| index++; |
| } |
| unblockSignal (handle, SWT.Selection); |
| } |
| |
| /**
|
| * 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_ITEM_NOT_REMOVED); |
| 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>
|
| * </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); |
| blockSignal (handle, SWT.Selection); |
| int last = -1; |
| for (int i=0; i<newIndices.length; i++) { |
| int index = newIndices [i]; |
| if (index != last || i == 0) { |
| OS.gtk_clist_remove (handle, index); |
| last = index; |
| } |
| } |
| unblockSignal (handle, SWT.Selection); |
| } |
| |
| /**
|
| * 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(); |
| blockSignal (handle, SWT.Selection); |
| OS.gtk_clist_clear (handle); |
| unblockSignal (handle, SWT.Selection); |
| } |
| |
| /**
|
| * Removes the listener from the collection of listeners who will
|
| * be notified when the receiver's selection changes.
|
| *
|
| * @param listener the listener which should no longer be notified
|
| *
|
| * @exception IllegalArgumentException <ul>
|
| * <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
|
| * </ul>
|
| * @exception SWTException <ul>
|
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
|
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
|
| * </ul>
|
| *
|
| * @see SelectionListener
|
| * @see #addSelectionListener
|
| */ |
| public void removeSelectionListener(SelectionListener listener) { |
| checkWidget(); |
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if (eventTable == null) return; |
| eventTable.unhook (SWT.Selection, listener); |
| eventTable.unhook (SWT.DefaultSelection,listener); |
| } |
| |
| /**
|
| * Selects the item at the given zero-relative index in the receiver's
|
| * list. If the item at the index was already selected, it remains
|
| * selected. Indices that are out of range are ignored.
|
| *
|
| * @param index the index of the item to select
|
| *
|
| * @exception SWTException <ul>
|
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
|
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
|
| * </ul>
|
| */ |
| public void select (int index) { |
| checkWidget(); |
| blockSignal (handle, SWT.Selection); |
| OS.gtk_clist_select_row (handle, index, 0); |
| unblockSignal (handle, SWT.Selection); |
| } |
| |
| /**
|
| * 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(); |
| blockSignal (handle, SWT.Selection); |
| for (int i=start; i<=end; i++) { |
| OS.gtk_clist_select_row (handle, i, 0); |
| } |
| unblockSignal (handle, SWT.Selection); |
| } |
| |
| /**
|
| * 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); |
| blockSignal (handle, SWT.Selection); |
| for (int i=0; i<indices.length; i++) { |
| OS.gtk_clist_select_row (handle, indices [i], 0); |
| } |
| unblockSignal (handle, SWT.Selection); |
| } |
| |
| /**
|
| * 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(); |
| blockSignal (handle, SWT.Selection); |
| OS.gtk_clist_select_all (handle); |
| unblockSignal (handle, SWT.Selection); |
| } |
| |
| void setBackgroundColor (GdkColor color) { |
| super.setBackgroundColor (color); |
| OS.gtk_widget_modify_base (handle, 0, color); |
| } |
| |
| /**
|
| * Sets the text of the item in the receiver's list at the given
|
| * zero-relative index to the string argument. This is equivalent
|
| * to <code>remove</code>'ing the old item at the index, and then
|
| * <code>add</code>'ing the new item at that index.
|
| *
|
| * @param index the index for the item
|
| * @param string the new text for the item
|
| *
|
| * @exception IllegalArgumentException <ul>
|
| * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li>
|
| * </ul>
|
| * @exception SWTException <ul>
|
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
|
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
|
| * </ul>
|
| * @exception SWTError <ul>
|
| * <li>ERROR_ITEM_NOT_REMOVED - if the remove operation fails because of an operating system failure</li>
|
| * <li>ERROR_ITEM_NOT_ADDED - if the add operation fails because of an operating system failure</li>
|
| * </ul>
|
| */ |
| public void setItem (int index, String string) { |
| checkWidget(); |
| if (string == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if (!(0 <= index && index < OS.GTK_CLIST_ROWS (handle))) { |
| error (SWT.ERROR_INVALID_RANGE); |
| } |
| byte [] buffer = Converter.wcsToMbcs (null, string, true); |
| blockSignal (handle, SWT.Selection); |
| OS.gtk_clist_set_text (handle, index, 0, buffer); |
| unblockSignal (handle, SWT.Selection); |
| } |
| |
| /**
|
| * 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); |
| removeAll (); |
| for (int i=0; i<items.length; i++) { |
| add (items [i]); |
| } |
| } |
| |
| /**
|
| * Selects the item at the given zero-relative index in the receiver.
|
| * If the item at the index was already selected, it remains selected.
|
| * The current selected is first cleared, then the new items are selected.
|
| * Indices that are out of range are ignored.
|
| *
|
| * @param index the index of the item to select
|
| *
|
| * @exception SWTException <ul>
|
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
|
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
|
| * </ul>
|
| * @see List#deselectAll()
|
| * @see List#select(int)
|
| */ |
| public void setSelection (int index) { |
| checkWidget(); |
| if ((style & SWT.MULTI) != 0) deselectAll (); |
| select (index); |
| showSelection (); |
| } |
| |
| public void setRedraw (boolean redraw) { |
| checkWidget (); |
| if (redraw) { |
| OS.gtk_clist_thaw (handle); |
| } else { |
| OS.gtk_clist_freeze (handle); |
| } |
| } |
| |
| /**
|
| * Selects the items at the given zero-relative indices in the receiver.
|
| * The current selected if first cleared, then the new items are selected.
|
| *
|
| * @param start the start index of the items to select
|
| * @param end the end index of the items to select
|
| *
|
| * @exception SWTException <ul>
|
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
|
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
|
| * </ul>
|
| *
|
| * @see Table#deselectAll()
|
| * @see Table#select(int,int)
|
| */ |
| public void setSelection (int start, int end) { |
| checkWidget(); |
| if ((style & SWT.MULTI) != 0) deselectAll (); |
| select (start, end); |
| showSelection (); |
| } |
| |
| /**
|
| * Selects the items at the given zero-relative indices in the receiver.
|
| * The current selection is first cleared, then the new items are selected.
|
| *
|
| * @param indices the indices of the items to select
|
| *
|
| * @exception IllegalArgumentException <ul>
|
| * <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
|
| * </ul>
|
| * @exception SWTException <ul>
|
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
|
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
|
| * </ul>
|
| *
|
| * @see List#deselectAll()
|
| * @see List#select(int[])
|
| */ |
| public void setSelection(int[] indices) { |
| checkWidget(); |
| if (indices == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if ((style & SWT.MULTI) != 0) deselectAll (); |
| select (indices); |
| showSelection (); |
| } |
| |
| /**
|
| * Sets the receiver's selection to be the given array of items.
|
| * The current selected is first cleared, then the new items are
|
| * selected.
|
| *
|
| * @param items the array of items
|
| *
|
| * @exception IllegalArgumentException <ul>
|
| * <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
|
| * </ul>
|
| * @exception SWTException <ul>
|
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
|
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
|
| * </ul>
|
| *
|
| * @see List#deselectAll()
|
| * @see List#select(int)
|
| */ |
| public void setSelection (String [] items) { |
| checkWidget(); |
| if (items == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if ((style & SWT.MULTI) != 0) deselectAll (); |
| for (int i=items.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) && isSelected (index)) { |
| showSelection (); |
| return; |
| } |
| index++; |
| } |
| } |
| } |
| if ((style & SWT.SINGLE) != 0) deselectAll (); |
| showSelection (); |
| } |
| |
| /**
|
| * Sets the zero-relative index of the item which is currently
|
| * at the top of the receiver. This index can change when items
|
| * are scrolled or new items are added and removed.
|
| *
|
| * @param index the index of the top item
|
| *
|
| * @exception SWTException <ul>
|
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
|
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
|
| * </ul>
|
| */ |
| public void setTopIndex (int index) { |
| checkWidget(); |
| //BUG IN GTK - doesn't scroll correctly before shell open |
| OS.gtk_clist_moveto (handle, index, 0, 0.0f, 0.0f); |
| } |
| |
| /**
|
| * 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 selection = OS.GTK_CLIST_SELECTION (handle); |
| if (selection == 0) return; |
| if (OS.g_list_length (selection) == 0) return; |
| int index = OS.g_list_nth_data (selection, 0); |
| int visibility = OS.gtk_clist_row_is_visible (handle, index); |
| if (visibility == OS.GTK_VISIBILITY_FULL) return; |
| //BUG IN GTK - doesn't scroll correctly before shell open |
| OS.gtk_clist_moveto (handle, index, 0, 0.5f, 0.0f); |
| } |
| |
| } |