| package org.eclipse.swt.widgets; |
| |
| /* |
| * (c) Copyright IBM Corp. 2000, 2001. |
| * All Rights Reserved |
| */ |
| |
| import org.eclipse.swt.*; |
| import org.eclipse.swt.internal.gtk.*; |
| import org.eclipse.swt.graphics.*; |
| import org.eclipse.swt.events.*; |
| |
| /** |
| * Instances of this class implement a selectable user interface |
| * object that displays a list of images and strings and issue |
| * notificiation when selected. |
| * <p> |
| * The item children that may be added to instances of this class |
| * must be of type <code>TableItem</code>. |
| * </p><p> |
| * Note that although this class is a subclass of <code>Composite</code>, |
| * it does not make sense to add <code>Control</code> children to it, |
| * or set a layout on it. |
| * </p><p> |
| * <dl> |
| * <dt><b>Styles:</b></dt> |
| * <dd>SINGLE, MULTI, CHECK, FULL_SELECTION, HIDE_SELECTION</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 Table extends Composite { |
| int itemCount, columnCount; |
| TableItem [] items; |
| TableColumn [] columns; |
| TableItem itemBeingSelected; |
| TableItem[] selection = new TableItem[0]; |
| public static int MAX_COLUMNS = 32; |
| |
| |
| /** |
| * 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 Table (Composite parent, int style) { |
| super (parent, checkStyle (style)); |
| } |
| |
| |
| |
| |
| /* |
| * === HANDLE CODE 1 === |
| */ |
| |
| void createHandle (int index) { |
| state |= HANDLE; |
| |
| eventBoxHandle = OS.gtk_event_box_new(); |
| if (eventBoxHandle == 0) SWT.error (SWT.ERROR_NO_HANDLES); |
| |
| fixedHandle = OS.gtk_fixed_new(); |
| if (fixedHandle == 0) error (SWT.ERROR_NO_HANDLES); |
| |
| handle = OS.gtk_clist_new (MAX_COLUMNS); |
| if (handle == 0) error (SWT.ERROR_NO_HANDLES); |
| |
| scrolledHandle = OS.gtk_scrolled_window_new (0, 0); |
| if (scrolledHandle == 0) error (SWT.ERROR_NO_HANDLES); |
| } |
| void setHandleStyle () { |
| /* Single or Multiple Selection */ |
| int selectionMode; |
| if ((style & SWT.MULTI) != 0) selectionMode = OS.GTK_SELECTION_EXTENDED; |
| else selectionMode = OS.GTK_SELECTION_BROWSE; |
| OS.gtk_clist_set_selection_mode (handle, selectionMode); |
| |
| /* We fake the number of columns, because we have to know beforehand. |
| * Initially all those fake columns are invisible |
| */ |
| byte [] buffer = new byte [1]; |
| OS.gtk_clist_set_column_title (handle, 0, buffer); |
| for (int i=1; i<MAX_COLUMNS; i++) { |
| OS.gtk_clist_set_column_visibility (handle, i, false); |
| } |
| |
| /* Scrolling policy */ |
| int hscrollbar_policy = (style & SWT.H_SCROLL) != 0 ? OS.GTK_POLICY_ALWAYS : OS.GTK_POLICY_AUTOMATIC; |
| int vscrollbar_policy = (style & SWT.V_SCROLL) != 0 ? OS.GTK_POLICY_ALWAYS : OS.GTK_POLICY_AUTOMATIC; |
| OS.gtk_scrolled_window_set_policy (scrolledHandle, hscrollbar_policy, vscrollbar_policy); |
| } |
| void configure() { |
| _connectParent(); |
| OS.gtk_container_add(eventBoxHandle, fixedHandle); |
| OS.gtk_fixed_put (fixedHandle, scrolledHandle, (short)0, (short)0); |
| OS.gtk_container_add (scrolledHandle, handle); |
| } |
| |
| static int checkStyle (int style) { |
| /* |
| * To be compatible with Windows, force the H_SCROLL |
| * and V_SCROLL style bits. On Windows, it is not |
| * possible to create a table without scroll bars. |
| */ |
| style |= SWT.H_SCROLL | SWT.V_SCROLL; |
| return checkBits (style, SWT.SINGLE, SWT.MULTI, 0, 0, 0, 0); |
| } |
| |
| public Point computeSize (int wHint, int hHint, boolean changed) { |
| checkWidget (); |
| if (wHint == SWT.DEFAULT) wHint = 200; |
| return _computeSize (wHint, hHint, changed); |
| } |
| |
| void showHandle() { |
| OS.gtk_widget_show (eventBoxHandle); |
| OS.gtk_widget_show (fixedHandle); |
| OS.gtk_widget_show (scrolledHandle); |
| OS.gtk_widget_show (handle); |
| OS.gtk_widget_realize (handle); |
| } |
| |
| void hookEvents () { |
| //TO DO - get rid of enter/exit for mouse crossing border |
| super.hookEvents (); |
| signal_connect (handle, "select_row", SWT.Selection, 5); |
| } |
| |
| void createWidget (int index) { |
| super.createWidget (index); |
| items = new TableItem [4]; |
| columns = new TableColumn [4]; |
| itemCount = columnCount = 0; |
| } |
| |
| /* |
| * HANDLE CODE 2 |
| */ |
| int topHandle() { return eventBoxHandle; } |
| int parentingHandle() { return fixedHandle; } |
| boolean isMyHandle(int h) { |
| if (h==eventBoxHandle) return true; |
| if (h==scrolledHandle) return true; |
| if (h==fixedHandle) return true; |
| if (h==handle) return true; |
| return false; |
| |
| } |
| |
| |
| |
| /* |
| * === GEOMETRY === |
| */ |
| |
| boolean _setSize(int width, int height) { |
| boolean different = UtilFuncs.setSize(eventBoxHandle, width, height); |
| if (different) UtilFuncs.setSize(fixedHandle, width, height); |
| if (different) UtilFuncs.setSize(scrolledHandle, width, height); |
| return different; |
| } |
| |
| /** |
| * 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> |
| * When <code>widgetSelected</code> is called, the item field of the event object is valid. |
| * If the reciever has <code>SWT.CHECK</code> style set and the check selection changes, |
| * the event object detail field contains the value <code>SWT.CHECK</code>. |
| * <code>widgetDefaultSelected</code> is typically called when an item is double-clicked. |
| * The item field of the event object is valid for default selection, but the detail field is not used. |
| * </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); |
| } |
| |
| |
| /* The real work to create a new column */ |
| void createItem (TableColumn column, int index) { |
| if (!(0 <= index && index <= columnCount)) error (SWT.ERROR_ITEM_NOT_ADDED); |
| if (columnCount == columns.length) { |
| TableColumn [] newColumns = new TableColumn [columns.length + 4]; |
| System.arraycopy (columns, 0, newColumns, 0, columns.length); |
| columns = newColumns; |
| } |
| OS.gtk_clist_set_column_visibility (handle, index, true); |
| OS.gtk_clist_column_titles_passive(handle); // paranoia |
| System.arraycopy (columns, index, columns, index + 1, columnCount++ - index); |
| columns [index] = column; |
| } |
| void createItem (TableItem item, int index) { |
| if (!(0 <= index && index <= itemCount)) error (SWT.ERROR_ITEM_NOT_ADDED); |
| if (itemCount == items.length) { |
| TableItem [] newItems = new TableItem [items.length + 4]; |
| System.arraycopy (items, 0, newItems, 0, items.length); |
| items = newItems; |
| } |
| // int ptr = OS.g_malloc (1); |
| int [] strings = new int [MAX_COLUMNS]; |
| // for (int i=0; i<strings.length; i++) strings [i] = ptr; |
| for (int i=0; i<strings.length; i++) strings [i] = 0; |
| OS.gtk_signal_handler_block_by_data (handle, SWT.Selection); |
| int result = OS.gtk_clist_insert (handle, index, strings); |
| OS.gtk_signal_handler_unblock_by_data (handle, SWT.Selection); |
| // OS.g_free (ptr); |
| System.arraycopy (items, index, items, index + 1, itemCount++ - index); |
| items [index] = item; |
| } |
| |
| /** |
| * 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(); |
| OS.gtk_signal_handler_block_by_data (handle, SWT.Selection); |
| OS.gtk_clist_unselect_row (handle, index, 0); |
| OS.gtk_signal_handler_unblock_by_data (handle, SWT.Selection); |
| selection = _getNativeSelection(); |
| } |
| /** |
| * 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(); |
| OS.gtk_signal_handler_block_by_data (handle, SWT.Selection); |
| for (int i=start; i<=end; i++) { |
| OS.gtk_clist_unselect_row (handle, i, 0); |
| } |
| OS.gtk_signal_handler_unblock_by_data (handle, SWT.Selection); |
| selection = _getNativeSelection(); |
| } |
| /** |
| * 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); |
| OS.gtk_signal_handler_block_by_data (handle, SWT.Selection); |
| for (int i=0; i<indices.length; i++) { |
| OS.gtk_clist_unselect_row (handle, indices [i], 0); |
| } |
| OS.gtk_signal_handler_unblock_by_data (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(); |
| OS.gtk_signal_handler_block_by_data (handle, SWT.Selection); |
| OS.gtk_clist_unselect_all (handle); |
| OS.gtk_signal_handler_unblock_by_data (handle, SWT.Selection); |
| selection = new TableItem[0]; |
| } |
| |
| void destroyItem (TableColumn column) { |
| int index = 0; |
| while (index < columnCount) { |
| if (columns [index] == column) break; |
| index++; |
| } |
| if (index == columnCount) return; |
| OS.gtk_clist_set_column_visibility (handle, index, false); |
| OS.gtk_clist_set_column_title (handle, index, new byte [1]); |
| System.arraycopy (columns, index + 1, columns, index, --columnCount - index); |
| columns [columnCount] = null; |
| } |
| void destroyItem (TableItem item) { |
| int index = 0; |
| while (index < itemCount) { |
| if (items [index] == item) break; |
| index++; |
| } |
| if (index == itemCount) return; |
| OS.gtk_clist_remove (handle, index); |
| System.arraycopy (items, index + 1, items, index, --itemCount - index); |
| items [itemCount] = null; |
| } |
| /** |
| * Returns the column at the given, zero-relative index in the |
| * receiver. Throws an exception if the index is out of range. |
| * If no <code>TableColumn</code>s were created by the programmer, |
| * this method will throw <code>ERROR_INVALID_RANGE</code> despite |
| * the fact that a single column of data may be visible in the table. |
| * This occurs when the programmer uses the table like a list, adding |
| * items but never creating a column. |
| * |
| * @param index the index of the column to return |
| * @return the column 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 TableColumn getColumn (int index) { |
| checkWidget(); |
| if (!(0 <= index && index < columnCount)) error (SWT.ERROR_CANNOT_GET_ITEM); |
| return columns [index]; |
| } |
| /** |
| * Returns the number of columns contained in the receiver. |
| * If no <code>TableColumn</code>s were created by the programmer, |
| * this value is zero, despite the fact that visually, one column |
| * of items is may be visible. This occurs when the programmer uses |
| * the table like a list, adding items but never creating a column. |
| * |
| * @return the number of columns |
| * |
| * @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 getColumnCount () { |
| checkWidget(); |
| return columnCount; |
| } |
| /** |
| * Returns an array of <code>TableColumn</code>s which are the |
| * columns in the receiver. If no <code>TableColumn</code>s were |
| * created by the programmer, the array is empty, despite the fact |
| * that visually, one column of items may be visible. This occurs |
| * when the programmer uses the table like a list, adding items but |
| * never creating a column. |
| * <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 |
| * |
| * @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 TableColumn [] getColumns () { |
| checkWidget(); |
| TableColumn [] result = new TableColumn [columnCount]; |
| System.arraycopy (columns, 0, result, 0, columnCount); |
| return result; |
| } |
| /** |
| * Returns the width in pixels of a grid line. |
| * |
| * @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 getGridLineWidth () { |
| checkWidget(); |
| /* FIXME */ |
| return 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> |
| */ |
| public TableItem getItem (int index) { |
| checkWidget(); |
| if (!(0 <= index && index < itemCount)) error (SWT.ERROR_CANNOT_GET_ITEM); |
| return items [index]; |
| } |
| |
| /** |
| * Returns the item at the given point in the receiver |
| * or null if no such item exists. The point is in the |
| * coordinate system of the receiver. |
| * |
| * @param point the point used to locate the item |
| * @return the item at the given point |
| * |
| * @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 TableItem getItem (Point pt) { |
| checkWidget(); |
| |
| GtkCList clist = new GtkCList (); |
| OS.memmove(clist, handle, GtkCList.sizeof); |
| int clientX = pt.x; |
| int clientY = pt.y - clist.column_title_area_height; |
| if (clientY <= 0) return null; |
| |
| int[] row = new int[1], column = new int[1]; |
| row[0] = -1; |
| OS.gtk_clist_get_selection_info(handle, clientX, clientY, row, column); |
| if (row[0] == -1) return null; |
| return items[row[0]]; |
| } |
| |
| /** |
| * 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 () { |
| if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); |
| if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED); |
| return itemCount; |
| } |
| /** |
| * Returns the height of the area which would be used to |
| * display <em>one</em> of the items in the receiver's. |
| * |
| * @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(); |
| GtkCList clist = new GtkCList (); |
| OS.memmove (clist, handle, GtkCList.sizeof); |
| return clist.row_height; |
| } |
| /** |
| * Returns an array of <code>TableItem</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 |
| * |
| * @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 TableItem [] getItems () { |
| checkWidget(); |
| TableItem [] result = new TableItem [itemCount]; |
| System.arraycopy (items, 0, result, 0, itemCount); |
| return result; |
| } |
| |
| |
| |
| /* |
| * === SELECTION STORY === |
| */ |
| |
| /** |
| * Returns an array of <code>TableItem</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> |
| */ |
| public TableItem[] getSelection () { |
| checkWidget(); |
| return selection; |
| } |
| |
| /** |
| * Get the selection from the OS. |
| */ |
| private TableItem[] _getNativeSelection () { |
| GtkCList clist = new GtkCList (); |
| OS.memmove(clist, handle, GtkCList.sizeof); |
| switch (clist.selection_mode) { |
| case OS.GTK_SELECTION_SINGLE: return getSelection_single(); |
| case OS.GTK_SELECTION_BROWSE: return getSelection_browse(); |
| case OS.GTK_SELECTION_MULTIPLE: return getSelection_multiple(); |
| case OS.GTK_SELECTION_EXTENDED: return getSelection_extended(); |
| default: error(SWT.ERROR_UNSPECIFIED); |
| } |
| /* can never get here */ |
| return null; |
| } |
| private TableItem[] getSelection_single () { |
| GtkCList clist = new GtkCList(); |
| OS.memmove(clist, handle, GtkCList.sizeof); |
| if (clist.selection==0) return new TableItem[0]; |
| int length = OS.g_list_length (clist.selection); |
| if (length == 0) return new TableItem[0]; |
| int index = OS.g_list_nth_data (clist.selection, 0); |
| return new TableItem [] {items[index]}; |
| } |
| private TableItem[] getSelection_browse () { |
| /* same as single */ |
| GtkCList clist = new GtkCList(); |
| OS.memmove(clist, handle, GtkCList.sizeof); |
| if (clist.selection==0) return new TableItem[0]; |
| int length = OS.g_list_length (clist.selection); |
| if (length == 0) return new TableItem[0]; |
| int index = OS.g_list_nth_data (clist.selection, 0); |
| return new TableItem [] {items[index]}; |
| } |
| private TableItem[] getSelection_multiple () { |
| GtkCList clist = new GtkCList(); |
| OS.memmove(clist, handle, GtkCList.sizeof); |
| if (clist.selection==0) return new TableItem[0]; |
| int length = OS.g_list_length (clist.selection); |
| TableItem [] result = new TableItem [length]; |
| for (int i=0; i<length; i++) { |
| int index = OS.g_list_nth_data (clist.selection, i); |
| result [i] = items [index]; |
| } |
| return result; |
| } |
| private TableItem[] getSelection_extended () { |
| GtkCList clist = new GtkCList(); |
| OS.memmove(clist, handle, GtkCList.sizeof); |
| if (clist.selection==0) return new TableItem[0]; |
| int length = OS.g_list_length (clist.selection); |
| TableItem [] result = new TableItem [length]; |
| for (int i=0; i<length; i++) { |
| int index = OS.g_list_nth_data (clist.selection, i); |
| result [i] = items [index]; |
| } |
| 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(); |
| return selection.length; |
| } |
| private int _getNativeSelectionCount () { |
| GtkCList clist = new GtkCList (); |
| OS.memmove(clist, handle, GtkCList.sizeof); |
| int selectionList = clist.selection; |
| if (selectionList==0) return 0; |
| return OS.g_list_length (clist.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> |
| */ |
| public int getSelectionIndex () { |
| checkWidget(); |
| GtkCList clist = new GtkCList (); |
| OS.memmove(clist, handle, GtkCList.sizeof); |
| int list = clist.selection; |
| if (OS.g_list_length (list) == 0) return -1; |
| return OS.g_list_nth_data (list, 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> |
| */ |
| public int [] getSelectionIndices () { |
| checkWidget(); |
| GtkCList widget = new GtkCList (); |
| OS.memmove (widget, handle, GtkCList.sizeof); |
| int list = widget.selection; |
| 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 <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(); |
| GtkCList widget = new GtkCList (); |
| OS.memmove (widget, handle, GtkCList.sizeof); |
| int list = widget.selection; |
| 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; |
| } |
| |
| |
| |
| |
| |
| /** |
| * 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(); |
| GtkCList clist = new GtkCList (); |
| OS.memmove(clist, handle, GtkCList.sizeof); |
| return -clist.voffset / (clist.row_height + 1); |
| } |
| |
| /** |
| * Searches the receiver's list starting at the first column |
| * (index 0) until a column is found that is equal to the |
| * argument, and returns the index of that column. If no column |
| * is found, returns -1. |
| * |
| * @param column the search column |
| * @return the index of the column |
| * |
| * @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 (TableColumn column) { |
| checkWidget(); |
| if (column == null) error (SWT.ERROR_NULL_ARGUMENT); |
| for (int i=0; i<columnCount; i++) { |
| if (columns [i] == column) return i; |
| } |
| return -1; |
| } |
| /** |
| * Searches the receiver's list starting at the first item |
| * (index 0) until an item is found that is equal to the |
| * argument, and returns the index of that item. If no item |
| * is found, returns -1. |
| * |
| * @param item 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 (TableItem item) { |
| checkWidget(); |
| if (item == null) error (SWT.ERROR_NULL_ARGUMENT); |
| for (int i=0; i<itemCount; i++) { |
| if (items [i] == item) return i; |
| } |
| return -1; |
| } |
| |
| void releaseWidget () { |
| int columnCount = 0; |
| for (int i=0; i<columnCount; i++) { |
| TableColumn column = columns [i]; |
| // if (!column.isDisposed ()) column.releaseWidget (); |
| if (column != null && !column.isDisposed ()) column.releaseWidget (); |
| } |
| columns = null; |
| int itemCount = 0; |
| for (int i=0; i<itemCount; i++) { |
| TableItem item = items [i]; |
| if (!item.isDisposed ()) item.releaseWidget (); |
| } |
| items = null; |
| itemBeingSelected = null; |
| super.releaseWidget (); |
| } |
| /** |
| * 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 <= itemCount)) error (SWT.ERROR_ITEM_NOT_REMOVED); |
| OS.gtk_clist_remove (handle, index); |
| TableItem item = items [index]; |
| System.arraycopy (items, index + 1, items, index, --itemCount - index); |
| items [itemCount] = null; |
| item.releaseWidget (); |
| } |
| /** |
| * 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(); |
| int index = end; |
| while (index >= start) { |
| OS.gtk_clist_remove (handle, index); |
| items [index].releaseWidget (); |
| --index; |
| } |
| int first = index + 1, last = end + 1; |
| System.arraycopy (items, last, items, first, itemCount - last); |
| for (int i=itemCount-(last-first); i<itemCount; i++) items [i] = null; |
| itemCount = itemCount - (last - first); |
| if (first > start) error (SWT.ERROR_ITEM_NOT_REMOVED); |
| } |
| /** |
| * Removes the items from the receiver's list 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 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); |
| // BUG - disposed callback could remove an item |
| items [index].releaseWidget (); |
| System.arraycopy (items, index + 1, items, index, --itemCount - index); |
| items [itemCount] = null; |
| last = 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.gtk_clist_clear (handle); |
| items = new TableItem [4]; |
| itemCount = 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 item at the given zero-relative index in the receiver. |
| * 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(); |
| OS.gtk_signal_handler_block_by_data (handle, SWT.Selection); |
| OS.gtk_clist_select_row (handle, index, 0); |
| OS.gtk_signal_handler_unblock_by_data (handle, SWT.Selection); |
| selection = _getNativeSelection(); |
| } |
| |
| /** |
| * 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(); |
| OS.gtk_signal_handler_block_by_data (handle, SWT.Selection); |
| for (int i=start; i<=end; i++) { |
| OS.gtk_clist_select_row (handle, i, 0); |
| } |
| OS.gtk_signal_handler_unblock_by_data (handle, SWT.Selection); |
| selection = _getNativeSelection(); |
| } |
| /** |
| * 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 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> |
| */ |
| public void select (int [] indices) { |
| checkWidget(); |
| if (indices == null) error (SWT.ERROR_NULL_ARGUMENT); |
| OS.gtk_signal_handler_block_by_data (handle, SWT.Selection); |
| for (int i=0; i<indices.length; i++) { |
| OS.gtk_clist_select_row (handle, indices [i], 0); |
| } |
| OS.gtk_signal_handler_unblock_by_data (handle, SWT.Selection); |
| selection = _getNativeSelection(); |
| } |
| /** |
| * 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(); |
| OS.gtk_signal_handler_block_by_data (handle, SWT.Selection); |
| OS.gtk_clist_select_all (handle); |
| OS.gtk_signal_handler_unblock_by_data (handle, SWT.Selection); |
| selection = _getNativeSelection(); |
| } |
| |
| /** |
| * Returns <code>true</code> if the receiver's header is visible, |
| * and <code>false</code> otherwise. |
| * <p> |
| * If one of the receiver's ancestors is not visible or some |
| * other condition makes the receiver not visible, this method |
| * may still indicate that it is considered visible even though |
| * it may not actually be showing. |
| * </p> |
| * |
| * @return the receiver's header's visibility state |
| * |
| * @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 getHeaderVisible () { |
| checkWidget(); |
| return (OS.GTK_WIDGET_FLAGS(handle)&OS.GTK_CLIST_SHOW_TITLES) != 0; |
| } |
| |
| /** |
| * Marks the receiver's header as visible if the argument is <code>true</code>, |
| * and marks it invisible otherwise. |
| * <p> |
| * If one of the receiver's ancestors is not visible or some |
| * other condition makes the receiver not visible, marking |
| * it visible may not actually cause it to be displayed. |
| * </p> |
| * |
| * @param visible the new visibility state |
| * |
| * @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 setHeaderVisible (boolean show) { |
| /* FIXME |
| * We should investigate why this optimization is not working. |
| */ |
| // boolean isVisibleNow = getHeaderVisible(); |
| // if (show==isVisibleNow) return; |
| if (show) { |
| OS.gtk_clist_column_titles_show (handle); |
| OS.gtk_clist_column_titles_passive(handle); |
| } else { |
| OS.gtk_clist_column_titles_hide (handle); |
| } |
| } |
| /** |
| * Returns <code>true</code> if the receiver's lines are visible, |
| * and <code>false</code> otherwise. |
| * <p> |
| * If one of the receiver's ancestors is not visible or some |
| * other condition makes the receiver not visible, this method |
| * may still indicate that it is considered visible even though |
| * it may not actually be showing. |
| * </p> |
| * |
| * @return the visibility state of the lines |
| * |
| * @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 getLinesVisible() { |
| checkWidget(); |
| return false; |
| } |
| /** |
| * Marks the receiver's lines as visible if the argument is <code>true</code>, |
| * and marks it invisible otherwise. |
| * <p> |
| * If one of the receiver's ancestors is not visible or some |
| * other condition makes the receiver not visible, marking |
| * it visible may not actually cause it to be displayed. |
| * </p> |
| * |
| * @param visible the new visibility state |
| * |
| * @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 setLinesVisible (boolean show) { |
| checkWidget(); |
| } |
| /** |
| * Selects the item at the given zero-relative index in the receiver. |
| * The current selected is first cleared, then the new item is selected. |
| * |
| * @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 Table#deselectAll() |
| * @see Table#select(int) |
| */ |
| public void setSelection (int index) { |
| deselectAll (); |
| select (index); |
| selection = _getNativeSelection(); |
| } |
| /** |
| * 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) { |
| deselectAll (); |
| select (start, end); |
| selection = _getNativeSelection(); |
| } |
| /** |
| * Selects the items at the given zero-relative indices in the receiver. |
| * The current selected 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 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 Table#deselectAll() |
| * @see Table#select(int[]) |
| */ |
| public void setSelection (int [] indices) { |
| deselectAll (); |
| select (indices); |
| selection = _getNativeSelection(); |
| } |
| /** |
| * 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 array of items is null</li> |
| * <li>ERROR_INVALID_ARGUMENT - if one of the item has been disposed</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 Table#deselectAll() |
| * @see Table#select(int) |
| */ |
| public void setSelection (TableItem [] items) { |
| checkWidget(); |
| if (items == null) error (SWT.ERROR_NULL_ARGUMENT); |
| deselectAll (); |
| int length = items.length; |
| if (length == 0) return; |
| if ((style & SWT.SINGLE) != 0) length = 1; |
| for (int i=length-1; i>=0; --i) { |
| int index = indexOf (items [i]); |
| if (index != -1) select (index); |
| } |
| selection = items; /* FIXME */ |
| } |
| /** |
| * 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.gtk_signal_handler_block_by_data (handle, SWT.Selection); |
| OS.gtk_clist_moveto (handle, index, 0, 0.0f, 0.0f); |
| OS.gtk_signal_handler_unblock_by_data (handle, SWT.Selection); |
| } |
| |
| /** |
| * Shows the item. If the item is already showing in the receiver, |
| * this method simply returns. Otherwise, the items are scrolled until |
| * the item is visible. |
| * |
| * @param item the item to be shown |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the item is null</li> |
| * <li>ERROR_INVALID_ARGUMENT - if the item has been disposed</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 Table#showSelection() |
| */ |
| public void showItem (TableItem item) { |
| // error(SWT.ERROR_NOT_IMPLEMENTED); |
| } |
| |
| /** |
| * 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> |
| * |
| * @see Table#showItem(TableItem) |
| */ |
| public void showSelection () { |
| checkWidget(); |
| setTopIndex (getSelectionIndex ()); |
| } |
| |
| int processSelection (int int0, int int1, int int2) { |
| selection = _getNativeSelection(); |
| itemBeingSelected = items [int0]; |
| Event event = new Event (); |
| event.item = itemBeingSelected; |
| sendEvent (SWT.Selection, event); |
| return 0; |
| } |
| |
| int processMouseDown (int callData, int arg1, int int2) { |
| OS.gtk_widget_grab_focus(handle); |
| |
| // First, see if we have a single or double click |
| GdkEventButton gdkEvent = new GdkEventButton (); |
| OS.memmove (gdkEvent, callData, GdkEventButton.sizeof); |
| boolean isDoubleClick = (gdkEvent.type == OS.GDK_2BUTTON_PRESS); |
| |
| // We can't just use the x and y coordinates from the Gdk event, |
| // because the actual items are drawn on a special X window |
| Point where = _gdkWindowGetPointer(); |
| int eventType; |
| if (isDoubleClick) { |
| eventType = SWT.MouseDoubleClick; |
| Event event = new Event (); |
| event.item=itemBeingSelected; |
| event.x = where.x; event.y = where.y; |
| sendEvent (SWT.DefaultSelection, event); |
| return 1; |
| } |
| |
| eventType = SWT.MouseDown; |
| sendMouseEvent (eventType, gdkEvent.button, gdkEvent.state, gdkEvent.time, where.x, where.y); |
| if (gdkEvent.button == 3 && menu != null) menu.setVisible (true); |
| return 1; |
| } |
| |
| } |