| 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 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> |
| * Note: Only one of the styles SINGLE, and MULTI may be specified. |
| * </p><p> |
| * IMPORTANT: This class is <em>not</em> intended to be subclassed. |
| * </p> |
| */ |
| public class Table extends Composite { |
| boolean selected; |
| int itemCount, columnCount, imageHeight; |
| TableItem [] items; |
| TableColumn [] columns; |
| int check, uncheck; |
| 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 |
| * 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 SWT#CHECK |
| * @see SWT#FULL_SELECTION |
| * @see SWT#HIDE_SELECTION |
| * @see Widget#checkSubclass |
| * @see Widget#getStyle |
| */ |
| public Table (Composite parent, int style) { |
| super (parent, checkStyle (style)); |
| } |
| |
| 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); |
| } |
| |
| /** |
| * 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); |
| } |
| |
| public Point computeSize (int wHint, int hHint, boolean changed) { |
| checkWidget (); |
| |
| /* Compute the height based on the items */ |
| int height; |
| GtkStyle st = new GtkStyle (); |
| OS.memmove (st, OS.gtk_widget_get_style (handle)); |
| if (hHint != SWT.DEFAULT) { |
| height = hHint; |
| } else { |
| height = getHeaderHeight(); |
| height += OS.GTK_CLIST_ROW_HEIGHT (handle) * getItemCount(); |
| height += 2 * st.ythickness; |
| int hBarHandle = OS.GTK_SCROLLED_WINDOW_HSCROLLBAR(scrolledHandle); |
| GtkRequisition requisition = new GtkRequisition(); |
| OS.gtk_widget_size_request(hBarHandle, requisition); |
| height += requisition.height + OS.GTK_SCROLLED_WINDOW_SCROLLBAR_SPACING(scrolledHandle); |
| } |
| |
| /* Compute the width based on the items */ |
| int width; |
| if (wHint != SWT.DEFAULT) { |
| width = wHint; |
| } else { |
| width = 2 * st.xthickness; |
| int count = getColumnCount(); |
| for (int i = 0; i<count; i++) { |
| width += OS.gtk_clist_optimal_column_width(handle, i); |
| } |
| width += vScrollBarWidth(); |
| } |
| |
| /* In no event will we request ourselves smaller than the minimum OS size */ |
| Point minimum = computeNativeSize (scrolledHandle, wHint, hHint, changed); |
| width = Math.max(width, minimum.x); |
| height = Math.max(height, minimum.y); |
| |
| return new Point(width, height); |
| } |
| |
| int createCheckPixmap(boolean checked) { |
| /* |
| * The box will occupy the whole item width. |
| */ |
| int check_height = OS.GTK_CLIST_ROW_HEIGHT (handle) - 2; |
| int check_width = check_height; |
| |
| GdkVisual visual = new GdkVisual(); |
| OS.memmove(visual, OS.gdk_visual_get_system()); |
| int pixmap = OS.gdk_pixmap_new(0, check_width, check_height, visual.depth); |
| |
| int gc = OS.gdk_gc_new(pixmap); |
| |
| GdkColor fgcolor = new GdkColor(); |
| fgcolor.pixel = 0xFFFFFFFF; |
| fgcolor.red = (short) 0xFFFF; |
| fgcolor.green = (short) 0xFFFF; |
| fgcolor.blue = (short) 0xFFFF; |
| OS.gdk_gc_set_foreground(gc, fgcolor); |
| OS.gdk_draw_rectangle(pixmap, gc, 1, 0,0, check_width,check_height); |
| |
| fgcolor = new GdkColor(); |
| fgcolor.pixel = 0; |
| fgcolor.red = (short) 0; |
| fgcolor.green = (short) 0; |
| fgcolor.blue = (short) 0; |
| OS.gdk_gc_set_foreground(gc, fgcolor); |
| |
| OS.gdk_draw_line(pixmap, gc, 0,0, 0,check_height-1); |
| OS.gdk_draw_line(pixmap, gc, 0,check_height-1, check_width-1,check_height-1); |
| OS.gdk_draw_line(pixmap, gc, check_width-1,check_height-1, check_width-1,0); |
| OS.gdk_draw_line(pixmap, gc, check_width-1,0, 0,0); |
| |
| /* now the cross check */ |
| if (checked) { |
| OS.gdk_draw_line(pixmap, gc, 0,0, check_width-1,check_height-1); |
| OS.gdk_draw_line(pixmap, gc, 0,check_height-1, check_width-1,0); |
| } |
| |
| OS.g_object_unref(gc); |
| return pixmap; |
| } |
| |
| 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 (MAX_COLUMNS); |
| 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); |
| |
| /* We fake the number of columns, because we have to know beforehand. |
| * Initially all those fake columns are invisible |
| */ |
| byte [] buffer = new byte [1]; |
| for (int i=1; i<MAX_COLUMNS; i++) { |
| OS.gtk_clist_set_column_title (handle, i, buffer); |
| OS.gtk_clist_set_column_visibility (handle, i, false); |
| } |
| |
| /* Scrolling policy */ |
| 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); |
| |
| if ((style & SWT.CHECK) != 0) { |
| OS.gtk_widget_realize (handle); |
| uncheck = createCheckPixmap (false); |
| check = createCheckPixmap (true); |
| } |
| } |
| |
| 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); |
| 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 [] strings = new int [MAX_COLUMNS]; |
| for (int i=0; i<strings.length; i++) strings [i] = 0; |
| blockSignal (handle, SWT.Selection); |
| int result = OS.gtk_clist_insert (handle, index, strings); |
| if ((style & SWT.SINGLE) != 0) { |
| if (itemCount == 0) OS.gtk_clist_unselect_row (handle, 0, 0); |
| } |
| unblockSignal (handle, SWT.Selection); |
| if ((style & SWT.CHECK) != 0) { |
| OS.gtk_clist_set_pixtext (handle, index, 0, new byte [1], (byte) 2, uncheck, 0); |
| } |
| System.arraycopy (items, index, items, index + 1, itemCount++ - index); |
| items [index] = item; |
| } |
| |
| void createWidget (int index) { |
| super.createWidget (index); |
| items = new TableItem [4]; |
| columns = new TableColumn [4]; |
| itemCount = columnCount = 0; |
| } |
| |
| GdkColor defaultBackground () { |
| Display display = getDisplay (); |
| return display.COLOR_LIST_BACKGROUND; |
| } |
| |
| GdkColor defaultForeground () { |
| Display display = getDisplay (); |
| return display.COLOR_LIST_FOREGROUND; |
| } |
| |
| /** |
| * Deselects the item at the given zero-relative index in the receiver. |
| * If the item at the index was already deselected, it remains |
| * deselected. Indices that are out of range are ignored. |
| * |
| * @param index the index of the item to deselect |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void deselect (int index) { |
| checkWidget(); |
| 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); |
| if ((style & SWT.SINGLE) != 0) { |
| int selection = OS.GTK_CLIST_SELECTION (handle); |
| if (selection != 0 && OS.g_list_length (selection) > 0) { |
| int index = OS.GTK_CLIST_FOCUS_ROW (handle); |
| if (index == -1) index = 0; |
| OS.gtk_clist_select_row (handle, index, 0); |
| OS.gtk_clist_unselect_row (handle, index, 0); |
| } |
| } else { |
| OS.gtk_clist_unselect_all (handle); |
| } |
| unblockSignal (handle, SWT.Selection); |
| } |
| |
| 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; |
| blockSignal (handle, SWT.Selection); |
| if ((style & SWT.SINGLE) != 0) { |
| int selectionIndex = -1; |
| int selection = OS.GTK_CLIST_SELECTION (handle); |
| if (selection != 0 && OS.g_list_length (selection) != 0) { |
| selectionIndex = OS.g_list_nth_data (selection, 0); |
| } |
| OS.gtk_clist_remove (handle, index); |
| if (selectionIndex == -1 || selectionIndex == index) { |
| int focusIndex = OS.GTK_CLIST_FOCUS_ROW (handle); |
| if (focusIndex == -1) focusIndex = 0; |
| OS.gtk_clist_unselect_row (handle, focusIndex, 0); |
| } |
| } else { |
| OS.gtk_clist_remove (handle, index); |
| } |
| unblockSignal (handle, SWT.Selection); |
| System.arraycopy (items, index + 1, items, index, --itemCount - index); |
| items [itemCount] = null; |
| } |
| |
| GdkColor getBackgroundColor () { |
| return getBaseColor (); |
| } |
| |
| /** |
| * 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(); |
| return 0; |
| } |
| |
| /** |
| * Returns the height of the receiver's header |
| * |
| * @return the height of the header or zero if the header is not visible |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @since 2.0 |
| */ |
| public int getHeaderHeight () { |
| checkWidget (); |
| if ( !OS.GTK_CLIST_SHOW_TITLES (handle) ) return 0; |
| OS.gtk_widget_size_request(handle, new GtkRequisition()); |
| return OS.GTK_CLIST_COLUMN_TITLE_AREA_HEIGHT(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> |
| */ |
| 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(); |
| int clientX = pt.x; |
| int clientY = pt.y - OS.GTK_CLIST_COLUMN_TITLE_AREA_HEIGHT (handle); |
| int [] row = new int [1], column = new int [1]; |
| if (OS.gtk_clist_get_selection_info (handle, clientX, clientY, row, column) == 0) { |
| return null; |
| } |
| if (row [0] < 0 || row [0] >= itemCount) 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 () { |
| checkWidget (); |
| 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(); |
| return OS.GTK_CLIST_ROW_HEIGHT (handle); |
| } |
| |
| /** |
| * 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; |
| } |
| |
| /** |
| * 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(); |
| int list = OS.GTK_CLIST_SELECTION (handle); |
| if (list == 0) return new TableItem [0]; |
| int length = OS.g_list_length (list); |
| TableItem [] result = new TableItem [length]; |
| int [] buffer = new int [1]; |
| for (int i=0; i<length; i++) { |
| int index = OS.g_list_nth_data (list, 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(); |
| 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> |
| */ |
| public int getSelectionIndex () { |
| checkWidget(); |
| int list = OS.GTK_CLIST_SELECTION (handle); |
| 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(); |
| int list = OS.GTK_CLIST_SELECTION (handle); |
| 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(); |
| int list = OS.GTK_CLIST_SELECTION (handle); |
| 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 processSelection (int int0, int int1, int int2) { |
| int focus_row = OS.GTK_CLIST_FOCUS_ROW (handle); |
| if (int0 != focus_row) 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; |
| } |
| } |
| Event event = new Event (); |
| event.item = items [int0]; |
| postEvent (eventType, event); |
| return 0; |
| } |
| |
| int paintWindow () { |
| OS.gtk_widget_realize (handle); |
| return OS.GTK_CLIST_CLIST_WINDOW (handle); |
| } |
| |
| int processActivate (int columnIndex, int arg1, int int2) { |
| TableColumn column = columns [columnIndex]; |
| if (column != null) column.postEvent (SWT.Selection); |
| return 0; |
| } |
| |
| 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)) { |
| Event event = new Event (); |
| event.item = items [row [0]]; |
| postEvent (SWT.Selection, event); |
| } |
| } |
| } |
| } |
| } |
| 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: { |
| int focus_row = OS.GTK_CLIST_FOCUS_ROW (handle); |
| if (focus_row != -1) { |
| TableItem item = items [focus_row]; |
| if (key == OS.GDK_space && (style & SWT.CHECK) != 0) { |
| if (item != null) item.setChecked (!item.getChecked ()); |
| } |
| Event event = new Event (); |
| event.item = item; |
| int type = key == OS.GDK_space ? SWT.Selection : SWT.DefaultSelection; |
| postEvent (type, event); |
| if (key == OS.GDK_space && (style & SWT.CHECK) != 0) { |
| event = new Event (); |
| event.item = item; |
| event.detail = SWT.CHECK; |
| postEvent (SWT.Selection, event); |
| } |
| } |
| break; |
| } |
| } |
| return result; |
| } |
| |
| int processMouseDown (int int0, int int1, int int2) { |
| int result = 0; |
| int headerHeight = OS.GTK_CLIST_COLUMN_TITLE_AREA_HEIGHT (handle); |
| if (headerHeight <= 0) { |
| result = super.processMouseDown (int0, int1, int2); |
| } else { |
| GdkEventButton e = new GdkEventButton (); |
| OS.memmove (e, int0, GdkEventButton.sizeof); |
| double y_back = e.y; |
| e.y += headerHeight; |
| OS.memmove (int0, e, GdkEventButton.sizeof); |
| result = super.processMouseDown (int0, int1, int2); |
| e.y = y_back; |
| OS.memmove (int0, e, GdkEventButton.sizeof); |
| } |
| if ((style & SWT.MULTI) != 0) selected = true; |
| if ((style & SWT.CHECK) != 0) { |
| double [] px = new double [1], py = new double [1]; |
| OS.gdk_event_get_coords (int0, px, py); |
| int x = (int) (px [0]); |
| int y = (int) (py [0]); |
| if (y > 0) { |
| int [] row = new int [1], column = new int [1]; |
| if (OS.gtk_clist_get_selection_info (handle, x, y, row, column) != 0) { |
| int nX = OS.GTK_CLIST_HOFFSET (handle) + 4; |
| int nY = OS.GTK_CLIST_VOFFSET (handle) + (OS.GTK_CLIST_ROW_HEIGHT (handle) + 1) * row [0] + 2; |
| int [] check_width = new int [1], check_height = new int [1]; |
| OS.gdk_drawable_get_size (check, check_width, check_height); |
| if (nX <= x && x <= nX + check_width [0]) { |
| if (nY <= y && y <= nY + check_height [0]) { |
| TableItem item = items [row [0]]; |
| byte [] spacing = new byte [1]; |
| int [] pixmap = new int [1], mask = new int [1]; |
| OS.gtk_clist_get_pixtext (handle, row [0], 0, null, spacing, pixmap, mask); |
| byte [] text = Converter.wcsToMbcs (null, item.getText (), true); |
| pixmap [0] = pixmap [0] == check ? uncheck : check; |
| OS.gtk_clist_set_pixtext (handle, row [0], 0, text, spacing [0], pixmap [0], mask [0]); |
| Event event = new Event (); |
| event.detail = SWT.CHECK; |
| event.item = item; |
| postEvent (SWT.Selection, event); |
| } |
| } |
| } |
| } |
| } |
| return result; |
| } |
| |
| int processMouseUp (int int0, int int1, int int2) { |
| int result = 0; |
| int headerHeight = OS.GTK_CLIST_COLUMN_TITLE_AREA_HEIGHT (handle); |
| if (headerHeight <= 0) { |
| result = super.processMouseUp (int0, int1, int2); |
| } else { |
| GdkEventButton e = new GdkEventButton (); |
| OS.memmove (e, int0, GdkEventButton.sizeof); |
| double y_back = e.y; |
| e.y += headerHeight; |
| OS.memmove (int0, e, GdkEventButton.sizeof); |
| result = super.processMouseUp (int0, int1, int2); |
| e.y = y_back; |
| OS.memmove (int0, e, GdkEventButton.sizeof); |
| } |
| return result; |
| } |
| |
| /** |
| * Returns the zero-relative index of the item which is currently |
| * at the top of the receiver. This index can change when items are |
| * scrolled or new items are added or removed. |
| * |
| * @return the index of the top item |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public int getTopIndex () { |
| checkWidget(); |
| int voffset = OS.GTK_CLIST_VOFFSET (handle); |
| int row_height = OS.GTK_CLIST_ROW_HEIGHT (handle); |
| return -voffset / (row_height + 1); |
| } |
| |
| 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.click_column, windowProc3, SWT.Activate); |
| OS.g_signal_connect (handle, OS.event_after, windowProc3, 0); |
| } |
| |
| /** |
| * 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 () { |
| for (int i=0; i<columnCount; i++) { |
| TableColumn column = columns [i]; |
| if (!column.isDisposed ()) column.releaseResources (); |
| } |
| columns = null; |
| for (int i=0; i<itemCount; i++) { |
| TableItem item = items [i]; |
| if (!item.isDisposed ()) item.releaseResources (); |
| } |
| items = null; |
| if (check != 0) OS.g_object_unref (check); |
| if (uncheck != 0) OS.g_object_unref (uncheck); |
| check = uncheck = 0; |
| 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.releaseResources (); |
| } |
| |
| /** |
| * 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].releaseResources (); |
| --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].releaseResources (); |
| 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); |
| int index = itemCount - 1; |
| while (index >= 0) { |
| items [index].releaseResources (); |
| --index; |
| } |
| 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(); |
| 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 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); |
| 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); |
| } |
| |
| |
| /** |
| * 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_CLIST_SHOW_TITLES (handle); |
| } |
| |
| void setFontDescription (int font) { |
| super.setFontDescription (font); |
| if (imageHeight != 0) { |
| OS.gtk_widget_realize (handle); |
| OS.gtk_clist_set_row_height (handle, 0); |
| if (imageHeight > OS.GTK_CLIST_ROW_HEIGHT (handle)) { |
| OS.gtk_clist_set_row_height (handle, imageHeight); |
| } |
| } |
| } |
| |
| /** |
| * 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) { |
| checkWidget (); |
| if (show) { |
| OS.gtk_clist_column_titles_show (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) { |
| checkWidget (); |
| 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(); |
| deselectAll (); |
| select (start, end); |
| showSelection (); |
| } |
| |
| /** |
| * 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) { |
| checkWidget(); |
| if (indices == null) error (SWT.ERROR_NULL_ARGUMENT); |
| 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 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); |
| } |
| 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(); |
| blockSignal (handle, SWT.Selection); |
| OS.gtk_clist_moveto (handle, index, 0, 0.0f, 0.0f); |
| unblockSignal (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 ()); |
| } |
| |
| } |