| /******************************************************************************* |
| * Copyright (c) 2000, 2009 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.swt.widgets; |
| |
| import org.eclipse.swt.*; |
| import org.eclipse.swt.events.*; |
| import org.eclipse.swt.graphics.*; |
| import org.eclipse.swt.internal.wpf.*; |
| |
| /** |
| * Instances of this class implement the notebook user interface |
| * metaphor. It allows the user to select a notebook page from |
| * set of pages. |
| * <p> |
| * The item children that may be added to instances of this class |
| * must be of type <code>TabItem</code>. |
| * <code>Control</code> children are created and then set into a |
| * tab item using <code>TabItem#setControl</code>. |
| * </p><p> |
| * Note that although this class is a subclass of <code>Composite</code>, |
| * it does not make sense to set a layout on it. |
| * </p><p> |
| * <dl> |
| * <dt><b>Styles:</b></dt> |
| * <dd>TOP, BOTTOM</dd> |
| * <dt><b>Events:</b></dt> |
| * <dd>Selection</dd> |
| * </dl> |
| * <p> |
| * Note: Only one of the styles TOP and BOTTOM may be specified. |
| * </p><p> |
| * IMPORTANT: This class is <em>not</em> intended to be subclassed. |
| * </p> |
| * |
| * @see <a href="http://www.eclipse.org/swt/snippets/#tabfolder">TabFolder, TabItem snippets</a> |
| * @see <a href="http://www.eclipse.org/swt/examples.php">SWT Example: ControlExample</a> |
| * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> |
| * @noextend This class is not intended to be subclassed by clients. |
| */ |
| public class TabFolder extends Composite { |
| int parentingHandle; |
| int itemCount; |
| Control [] children; |
| int childCount; |
| boolean ignoreSelection; |
| |
| /** |
| * 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 |
| * @see SWT#TOP |
| * @see SWT#BOTTOM |
| * @see Widget#checkSubclass |
| * @see Widget#getStyle |
| */ |
| public TabFolder (Composite parent, int style) { |
| super (parent, checkStyle (style)); |
| } |
| |
| int backgroundProperty () { |
| return OS.Control_BackgroundProperty (); |
| } |
| |
| void addChild (Control widget) { |
| super.addChild (widget); |
| if (childCount == children.length) { |
| Control [] newChildren = new Control [childCount + 4]; |
| System.arraycopy (children, 0, newChildren, 0, childCount); |
| children = newChildren; |
| } |
| children [childCount++] = widget; |
| } |
| |
| /** |
| * Adds the listener to the collection of listeners who will |
| * be notified when the user changes the receiver's selection, 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. |
| * <code>widgetDefaultSelected</code> is not called. |
| * </p> |
| * |
| * @param listener the listener which should be notified when the user changes the receiver's selection |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see SelectionListener |
| * @see #removeSelectionListener |
| * @see SelectionEvent |
| */ |
| public void addSelectionListener (SelectionListener listener) { |
| checkWidget (); |
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); |
| TypedListener typedListener = new TypedListener(listener); |
| addListener (SWT.Selection,typedListener); |
| addListener (SWT.DefaultSelection,typedListener); |
| } |
| |
| static int checkStyle (int style) { |
| /* |
| * When the SWT.TOP style has not been set, force the |
| * tabs to be on the bottom for tab folders on PPC. |
| */ |
| // if (OS.IsPPC) { |
| // if ((style & SWT.TOP) == 0) style |= SWT.BOTTOM; |
| // } |
| style = checkBits (style, SWT.TOP, SWT.BOTTOM, 0, 0, 0, 0); |
| |
| /* |
| * Even though it is legal to create this widget |
| * with scroll bars, they serve no useful purpose |
| * because they do not automatically scroll the |
| * widget's client area. The fix is to clear |
| * the SWT style. |
| */ |
| return style & ~(SWT.H_SCROLL | SWT.V_SCROLL); |
| } |
| |
| protected void checkSubclass () { |
| if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); |
| } |
| |
| int clientHandle () { |
| int index = OS.Selector_SelectedIndex (handle); |
| if (index != -1) { |
| int items = OS.ItemsControl_Items (handle); |
| TabItem item = getItem (items, index); |
| OS.GCHandle_Free (items); |
| return item.contentHandle; |
| } |
| return handle; |
| } |
| |
| public Point computeSize (int wHint, int hHint, boolean changed) { |
| Point size = super.computeSize (wHint, hHint, changed); |
| Point sizeTabFolder = computeSize (handle, wHint, hHint, changed); |
| return new Point (Math.max(sizeTabFolder.x + 1, size.x + 10), size.y + sizeTabFolder.y + 10); |
| } |
| |
| void createItem (TabItem item, int index) { |
| if (!(0 <= index && index <= itemCount)) error (SWT.ERROR_INVALID_RANGE); |
| item.createWidget (); |
| int items = OS.ItemsControl_Items (handle); |
| OS.ItemCollection_Insert (items, index, item.topHandle ()); |
| int count = OS.ItemCollection_Count (items); |
| OS.GCHandle_Free (items); |
| if (itemCount == count) error (SWT.ERROR_ITEM_NOT_ADDED); |
| itemCount++; |
| } |
| |
| void createHandle () { |
| parentingHandle = OS.gcnew_Canvas (); |
| if (parentingHandle == 0) error (SWT.ERROR_NO_HANDLES); |
| handle = OS.gcnew_TabControl (); |
| if (handle == 0) error (SWT.ERROR_NO_HANDLES); |
| if ((style & SWT.BOTTOM) != 0) OS.TabControl_TabStripPlacement (handle, OS.Dock_Bottom); |
| int children = OS.Panel_Children (parentingHandle); |
| OS.UIElementCollection_Add (children, handle); |
| OS.GCHandle_Free (children); |
| OS.Canvas_SetLeft (handle, 0); |
| OS.Canvas_SetTop (handle, 0); |
| } |
| |
| void createWidget () { |
| super.createWidget (); |
| children = new Control [4]; |
| } |
| |
| void deregister () { |
| super.deregister (); |
| display.removeWidget (parentingHandle); |
| } |
| |
| void destroyItem (TabItem item) { |
| int items = OS.ItemsControl_Items (handle); |
| OS.ItemCollection_Remove (items, item.topHandle ()); |
| int count = OS.ItemCollection_Count (items); |
| OS.GCHandle_Free (items); |
| if (itemCount == count) error (SWT.ERROR_ITEM_NOT_REMOVED); |
| itemCount--; |
| } |
| |
| Control findThemeControl () { |
| return this; |
| } |
| |
| Control [] _getChildren () { |
| // return children in reverse order. |
| Control[] result = new Control [childCount]; |
| for (int i =0; i < childCount; i++) { |
| result [childCount - i - 1] = children [i]; |
| } |
| return result; |
| } |
| |
| public Rectangle getClientArea () { |
| checkWidget (); |
| Rectangle rect = super.getClientArea (); |
| int clientHandle = clientHandle (); |
| int topHandle = topHandle (); |
| int point = OS.gcnew_Point (0, 0); |
| int result = OS.UIElement_TranslatePoint (clientHandle, point, topHandle); |
| rect.x = (int) OS.Point_X (result); |
| rect.y = (int) OS.Point_Y (result); |
| OS.GCHandle_Free (point); |
| OS.GCHandle_Free (result); |
| return rect; |
| } |
| |
| /** |
| * 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 TabItem getItem (int index) { |
| checkWidget (); |
| if (!(0 <= index && index < itemCount)) error (SWT.ERROR_INVALID_RANGE); |
| int items = OS.ItemsControl_Items (handle); |
| TabItem item = getItem (items, index); |
| OS.GCHandle_Free (items); |
| return item; |
| } |
| |
| TabItem getItem (int items, int index) { |
| int item = OS.ItemCollection_GetItemAt (items, index); |
| TabItem result = (TabItem) display.getWidget (item); |
| OS.GCHandle_Free (item); |
| return result; |
| } |
| |
| /** |
| * Returns the tab 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 tab item at the given point, or null if the point is not in a tab item |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the point 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> |
| * |
| * @since 3.4 |
| */ |
| public TabItem getItem (Point point) { |
| checkWidget(); |
| if (point == null) error (SWT.ERROR_NULL_ARGUMENT); |
| int items = OS.ItemsControl_Items (handle); |
| for (int index = 0; index < itemCount; index++) { |
| TabItem item = getItem (items, index); |
| Rectangle bounds = item.getBounds(); |
| if (bounds.contains(point)) { |
| OS.GCHandle_Free (items); |
| return item; |
| } |
| } |
| OS.GCHandle_Free (items); |
| return null; |
| } |
| |
| /** |
| * Returns the number of items contained in the receiver. |
| * |
| * @return the number of items |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public int getItemCount () { |
| return itemCount; |
| } |
| |
| /** |
| * Returns an array of <code>TabItem</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 TabItem [] getItems () { |
| checkWidget (); |
| TabItem [] result = new TabItem [itemCount]; |
| int items = OS.ItemsControl_Items (handle); |
| for (int i=0; i<itemCount; i++) { |
| result [i] = getItem (items, i); |
| } |
| OS.GCHandle_Free (items); |
| return result; |
| } |
| |
| /** |
| * Returns an array of <code>TabItem</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 TabItem [] getSelection () { |
| checkWidget (); |
| int index = OS.Selector_SelectedIndex (handle); |
| if (index == -1) return new TabItem [0]; |
| int items = OS.ItemsControl_Items (handle); |
| TabItem item = getItem (items, index); |
| OS.GCHandle_Free (items); |
| return new TabItem [] {item}; |
| } |
| |
| /** |
| * 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 (); |
| return OS.Selector_SelectedIndex (handle); |
| } |
| |
| boolean hasItems () { |
| return true; |
| } |
| |
| void HandleSelectionChanged (int sender, int e) { |
| if (!checkEvent (e)) return; |
| int removed = OS.SelectionChangedEventArgs_RemovedItems (e); |
| if (OS.ICollection_Count (removed) > 0) { |
| int oldSelection = OS.IList_default (removed, 0); |
| TabItem item = (TabItem) display.getWidget (oldSelection); |
| OS.GCHandle_Free (oldSelection); |
| Control control = item.getControl(); |
| if (control != null && !control.isDisposed ()) { |
| control.setVisible (false); |
| } |
| } |
| OS.GCHandle_Free (removed); |
| int selectedItem = OS.Selector_SelectedItem (handle); |
| if (selectedItem == 0) return; |
| TabItem item = (TabItem) display.getWidget (selectedItem); |
| OS.GCHandle_Free (selectedItem); |
| |
| Control control = item.getControl(); |
| if (control != null && !control.isDisposed ()) { |
| control.setVisible (true); |
| } |
| if (ignoreSelection) return; |
| Event event = new Event (); |
| event.item = item; |
| postEvent (SWT.Selection, event); |
| } |
| |
| void hookEvents () { |
| super.hookEvents (); |
| int handler = OS.gcnew_SelectionChangedEventHandler (jniRef, "HandleSelectionChanged"); |
| OS.Selector_SelectionChanged (handle, handler); |
| OS.GCHandle_Free (handler); |
| } |
| |
| /** |
| * 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 item 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 (TabItem item) { |
| checkWidget (); |
| if (item == null) error (SWT.ERROR_NULL_ARGUMENT); |
| int items = OS.ItemsControl_Items (handle); |
| int index = OS.ItemCollection_IndexOf (items, item.topHandle ()); |
| OS.GCHandle_Free (items); |
| return index; |
| } |
| |
| Point minimumSize (int wHint, int hHint, boolean flushCache) { |
| Control [] children = _getChildren (); |
| int width = 0, height = 0; |
| int items = OS.ItemsControl_Items (handle); |
| for (int i=0; i<children.length; i++) { |
| Control child = children [i]; |
| int index = 0; |
| while (index < itemCount) { |
| TabItem item = getItem (items, index); |
| if (item.control == child) break; |
| index++; |
| } |
| if (index == itemCount) { |
| Rectangle rect = child.getBounds (); |
| width = Math.max (width, rect.x + rect.width); |
| height = Math.max (height, rect.y + rect.height); |
| } else { |
| Point size = child.computeSize (wHint, hHint, flushCache); |
| width = Math.max (width, size.x); |
| height = Math.max (height, size.y); |
| } |
| } |
| OS.GCHandle_Free (items); |
| return new Point (width, height); |
| } |
| |
| boolean mnemonicHit (char key) { |
| //TODO |
| return false; |
| } |
| |
| boolean mnemonicMatch (char key) { |
| boolean found = false; |
| int items = OS.ItemsControl_Items (handle); |
| for (int i=0; i<itemCount; i++) { |
| TabItem item = getItem (items, i); |
| if (mnemonicMatch (item.textHandle, key)) { |
| found = true; |
| break; |
| } |
| } |
| OS.GCHandle_Free (items); |
| return found; |
| } |
| |
| int parentingHandle() { |
| return parentingHandle; |
| } |
| |
| void register () { |
| super.register (); |
| display.addWidget (parentingHandle, this); |
| } |
| |
| void releaseChildren (boolean destroy) { |
| int items = OS.ItemsControl_Items (handle); |
| for (int i=0; i<itemCount; i++) { |
| TabItem item = getItem (items, i); |
| if (item != null && !item.isDisposed ()) item.release (false); |
| } |
| OS.GCHandle_Free (items); |
| super.releaseChildren (destroy); |
| } |
| |
| void removeChild (Control control) { |
| super.removeChild (control); |
| int index = 0; |
| while (index < childCount) { |
| if (children [index] == control) break; |
| index++; |
| } |
| if (index == childCount) return; |
| System.arraycopy (children, index+1, children, index, --childCount - index); |
| children [childCount] = null; |
| } |
| |
| void releaseHandle() { |
| super.releaseHandle (); |
| if (parentingHandle != 0) OS.GCHandle_Free (parentingHandle); |
| parentingHandle = 0; |
| } |
| |
| void removeControl (Control control) { |
| super.removeControl (control); |
| int items = OS.ItemsControl_Items (handle); |
| for (int i=0; i<itemCount; i++) { |
| TabItem item = getItem (items, i); |
| if (item.control == control) { |
| item.setControl (null); |
| break; |
| } |
| } |
| OS.GCHandle_Free (items); |
| } |
| |
| /** |
| * Removes the listener from the collection of listeners who will |
| * be notified when the user changes the receiver's selection. |
| * |
| * @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); |
| } |
| |
| int setBounds (int x, int y, int width, int height, int flags) { |
| int result = super.setBounds (x, y, width, height, flags); |
| if ((result & RESIZED) != 0) { |
| OS.FrameworkElement_Height (handle, height); |
| OS.FrameworkElement_Width (handle, width); |
| int selectedItem = OS.Selector_SelectedItem (handle); |
| if (selectedItem != 0) { |
| TabItem item = (TabItem) display.getWidget (selectedItem); |
| OS.GCHandle_Free (selectedItem); |
| Control control = item.control; |
| if (control != null && !control.isDisposed ()) { |
| control.setBounds (getClientArea ()); |
| } |
| } |
| } |
| return result; |
| } |
| |
| void setForegroundBrush (int brush) { |
| if (brush != 0) { |
| OS.Control_Foreground (handle, brush); |
| } else { |
| int property = OS.Control_ForegroundProperty (); |
| OS.DependencyObject_ClearValue (handle, property); |
| OS.GCHandle_Free (property); |
| } |
| } |
| |
| /** |
| * Sets the receiver's selection to the given item. |
| * The current selected is first cleared, then the new item is |
| * selected. |
| * |
| * @param item the item to select |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the item 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> |
| * |
| * @since 3.2 |
| */ |
| public void setSelection (TabItem item) { |
| checkWidget (); |
| if (item == null) error (SWT.ERROR_NULL_ARGUMENT); |
| setSelection (new TabItem [] {item}); |
| } |
| |
| /** |
| * 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 items array is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void setSelection (TabItem [] items) { |
| checkWidget (); |
| if (items == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if (items.length == 0) { |
| setSelection (-1, false); |
| } else { |
| for (int i=items.length-1; i>=0; --i) { |
| int index = indexOf (items [i]); |
| if (index != -1) setSelection (index, false); |
| } |
| } |
| } |
| |
| /** |
| * Selects the item at the given zero-relative index in the receiver. |
| * If the item at the index was already selected, it remains selected. |
| * The current selection is first cleared, then the new items are |
| * selected. Indices that are out of range are ignored. |
| * |
| * @param index the index of the item to select |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void setSelection (int index) { |
| checkWidget (); |
| if (!(0 <= index && index < itemCount)) return; |
| setSelection (index, false); |
| } |
| |
| void setSelection (int index, boolean notify) { |
| int oldIndex = OS.Selector_SelectedIndex (handle); |
| if (oldIndex != -1) { |
| int items = OS.ItemsControl_Items (handle); |
| TabItem item = getItem (items, oldIndex); |
| OS.GCHandle_Free (items); |
| Control control = item.control; |
| if (control != null && !control.isDisposed ()) { |
| control.setVisible (false); |
| } |
| } |
| ignoreSelection = true; |
| OS.Selector_SelectedIndex (handle, index); |
| ignoreSelection = false; |
| int newIndex = OS.Selector_SelectedIndex (handle); |
| if (newIndex != -1) { |
| int items = OS.ItemsControl_Items (handle); |
| TabItem item = getItem (items, newIndex); |
| OS.GCHandle_Free (items); |
| Control control = item.control; |
| if (control != null && !control.isDisposed ()) { |
| // control.setBounds (getClientArea ()); |
| control.setVisible (true); |
| } |
| if (notify) { |
| Event event = new Event (); |
| event.item = item; |
| sendEvent (SWT.Selection, event); |
| } |
| } |
| } |
| |
| int topHandle() { |
| return parentingHandle; |
| } |
| |
| boolean traversePage (boolean next) { |
| // GTK: OS.g_signal_emit_by_name (handle, OS.change_current_page, next ? 1 : -1); |
| int count = getItemCount (); |
| if (count <= 1) return false; |
| int index = getSelectionIndex (); |
| if (index == -1) { |
| index = 0; |
| } else { |
| int offset = (next) ? 1 : -1; |
| index = (index + offset + count) % count; |
| } |
| setSelection (index, true); |
| if (index == getSelectionIndex ()) { |
| // OS.SendMessage (handle, OS.WM_CHANGEUISTATE, OS.UIS_INITIALIZE, 0); |
| return true; |
| } |
| return false; |
| } |
| } |