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author | Felipe Heidrich <fheidric> | 2009-06-30 22:00:12 +0000 |
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committer | Felipe Heidrich <fheidric> | 2009-06-30 22:00:12 +0000 |
commit | f664d297f7bb009784868bf3fcf0b3e3bb9a646b (patch) | |
tree | 54012fe4929893eef4891c88cbbf5841272ff433 /bundles/org.eclipse.swt/Eclipse SWT/photon/org/eclipse/swt/widgets/TabFolder.java | |
parent | bc18a5e014088ce811f09c603b88361094486062 (diff) | |
download | eclipse.platform.swt-f664d297f7bb009784868bf3fcf0b3e3bb9a646b.tar.gz eclipse.platform.swt-f664d297f7bb009784868bf3fcf0b3e3bb9a646b.tar.xz eclipse.platform.swt-f664d297f7bb009784868bf3fcf0b3e3bb9a646b.zip |
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Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/photon/org/eclipse/swt/widgets/TabFolder.java')
-rwxr-xr-x | bundles/org.eclipse.swt/Eclipse SWT/photon/org/eclipse/swt/widgets/TabFolder.java | 756 |
1 files changed, 0 insertions, 756 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/photon/org/eclipse/swt/widgets/TabFolder.java b/bundles/org.eclipse.swt/Eclipse SWT/photon/org/eclipse/swt/widgets/TabFolder.java deleted file mode 100755 index 35c64ff915..0000000000 --- a/bundles/org.eclipse.swt/Eclipse SWT/photon/org/eclipse/swt/widgets/TabFolder.java +++ /dev/null @@ -1,756 +0,0 @@ -/******************************************************************************* - * 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.internal.photon.*; -import org.eclipse.swt.widgets.TabItem; -import org.eclipse.swt.*; -import org.eclipse.swt.graphics.*; -import org.eclipse.swt.events.*; - -/** - * 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; - TabItem [] items; - int itemCount, currentIndex = OS.Pt_PG_INVALID; - -/** - * 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)); -} - -static int checkStyle (int style) { - 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); -} - -/** - * 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); -} - -protected void checkSubclass () { - if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); -} - -public Point computeSize (int wHint, int hHint, boolean changed) { - checkWidget(); - PhDim_t dim = new PhDim_t(); - if (!OS.PtWidgetIsRealized (handle)) OS.PtExtentWidget (handle); - OS.PtWidgetPreferredSize(handle, dim); - int width = dim.w, height = dim.h; - Point size; - if (layout != null) { - changed |= (state & LAYOUT_CHANGED) != 0; - size = layout.computeSize (this, wHint, hHint, changed); - state &= ~LAYOUT_CHANGED; - } else { - size = minimumSize (wHint, hHint, changed); - } - if (size.x == 0) size.x = DEFAULT_WIDTH; - if (size.y == 0) size.y = DEFAULT_HEIGHT; - if (wHint != SWT.DEFAULT) size.x = wHint; - if (hHint != SWT.DEFAULT) size.y = hHint; - width = Math.max (width, size.x); - height = Math.max (height, size.y); - Rectangle trim = computeTrim (0, 0, width, height); - width = trim.width; height = trim.height; - return new Point (width, height); -} - -public Rectangle computeTrim (int x, int y, int width, int height) { - checkWidget(); - PhDim_t dim = new PhDim_t(); - if (!OS.PtWidgetIsRealized (handle)) OS.PtExtentWidget (handle); - OS.PtWidgetPreferredSize(handle, dim); - int [] args = { - OS.Pt_ARG_MARGIN_BOTTOM, 0, 0, // 1 - OS.Pt_ARG_MARGIN_TOP, 0, 0, // 4 - OS.Pt_ARG_MARGIN_RIGHT, 0, 0, // 7 - OS.Pt_ARG_MARGIN_LEFT, 0, 0, // 10 -// OS.Pt_ARG_BASIC_FLAGS, 0, 0, // 13 - }; - OS.PtGetResources(handle, args.length / 3, args); - int trimX = x - args [10]; - int trimY; - if ((style & SWT.BOTTOM) != 0) { - trimY = y - args [4]; - } else { - trimY = y - (dim.h - args [1]); - } - int trimWidth = width + args [7] + args [10]; - int trimHeight = height + dim.h; - return new Rectangle (trimX, trimY, trimWidth, trimHeight); -} - -void createHandle (int index) { - state |= HANDLE; - int parentHandle = parent.parentingHandle (); - int [] args = { - OS.Pt_ARG_RESIZE_FLAGS, 0, OS.Pt_RESIZE_XY_BITS, - }; - parentingHandle = OS.PtCreateWidget (OS.PtContainer (), parentHandle, args.length / 3, args); - if (parentingHandle == 0) error (SWT.ERROR_NO_HANDLES); - int clazz = display.PtPanelGroup; - args = new int []{ - OS.Pt_ARG_RESIZE_FLAGS, 0, OS.Pt_RESIZE_XY_BITS, - OS.Pt_ARG_PG_FLAGS, (style & SWT.BOTTOM) != 0 ? OS.Pt_PG_SELECTOR_ON_BOTTOM : 0, OS.Pt_PG_SELECTOR_ON_BOTTOM, - }; - handle = OS.PtCreateWidget (clazz, parentingHandle, args.length / 3, args); - if (handle == 0) error (SWT.ERROR_NO_HANDLES); -} - -void createWidget (int index) { - super.createWidget (index); - items = new TabItem [4]; -} - -void createItem (TabItem item, int index) { - int count = itemCount; - if (!(0 <= index && index <= count)) error (SWT.ERROR_INVALID_RANGE); - if (count == items.length) { - TabItem [] newItems = new TabItem [items.length + 4]; - System.arraycopy (items, 0, newItems, 0, items.length); - items = newItems; - } - int [] args = {OS.Pt_ARG_PG_PANEL_TITLES, 0, 0}; - OS.PtGetResources (handle, args.length / 3, args); - int oldPtr = args [1]; - int newPtr = OS.malloc ((count + 1) * 4); - if (newPtr == 0) error (SWT.ERROR_ITEM_NOT_ADDED); - int j = 0; - int [] str = new int [1]; - int [] address = new int [1]; - for (int i=0; i<=count; i++) { - if (i == index) { - str [0] = OS.malloc (1); - OS.memset(str [0], 0, 1); - } else { - OS.memmove (address, oldPtr + (j++ * 4), 4); - str [0] = OS.strdup (address [0]); - } - if (str [0] == 0) error (SWT.ERROR_ITEM_NOT_ADDED); - OS.memmove (newPtr + (i * 4), str, 4); - } - OS.PtSetResource (handle, OS.Pt_ARG_PG_PANEL_TITLES, newPtr, count + 1); - for (int i=0; i<=count; i++) { - OS.memmove (address, newPtr + (i * 4), 4); - OS.free (address [0]); - } - OS.free (newPtr); - System.arraycopy (items, index, items, index + 1, count - index); - items [index] = item; - itemCount++; -} - -void deregister () { - super.deregister (); - if (parentingHandle != 0) WidgetTable.remove (parentingHandle); -} - -void destroyItem (TabItem item) { - int count = itemCount; - int index = 0; - while (index < count) { - if (items [index] == item) break; - index++; - } - int [] args = {OS.Pt_ARG_PG_PANEL_TITLES, 0, 0}; - OS.PtGetResources (handle, args.length / 3, args); - int oldPtr = args [1]; - int newPtr = OS.malloc ((count - 1) * 4); - if (newPtr == 0) error (SWT.ERROR_ITEM_NOT_ADDED); - int j = 0; - int [] str = new int [1]; - int [] address = new int [1]; - for (int i=0; i<count; i++) { - if (i == index) continue; - OS.memmove (address, oldPtr + (i * 4), 4); - str [0] = OS.strdup (address [0]); - if (str [0] == 0) error (SWT.ERROR_ITEM_NOT_ADDED); - OS.memmove (newPtr + (j++ * 4), str, 4); - } - OS.PtSetResource (handle, OS.Pt_ARG_PG_PANEL_TITLES, newPtr, count - 1); - for (int i=0; i<count-1; i++) { - OS.memmove (address, newPtr + (i * 4), 4); - OS.free (address [0]); - } - OS.free (newPtr); - if (index != count) { - System.arraycopy (items, index + 1, items, index, --count - index); - } - items [count] = null; - itemCount--; -} - -public Rectangle getClientArea () { - checkWidget(); - PhArea_t area = new PhArea_t (); - if (!OS.PtWidgetIsRealized (handle)) OS.PtExtentWidgetFamily (handle); - int clientHandle = OS.PtWidgetChildBack (handle); - OS.PtWidgetArea (clientHandle, area); - - int args[] = { - OS.Pt_ARG_MARGIN_RIGHT, 0, 0, - OS.Pt_ARG_MARGIN_BOTTOM, 0, 0, - }; - OS.PtGetResources (handle, args.length / 3, args); - - PhArea_t parentArea = new PhArea_t(); - OS.PtWidgetArea(handle, parentArea); - int deltaX = area.pos_x - parentArea.pos_x; - int deltaY = area.pos_y - parentArea.pos_y; - area.size_w = (short) (parentArea.size_w - ( deltaX + args[1])); - area.size_h = (short) (parentArea.size_h - ( deltaY + args [4])); - - return new Rectangle (area.pos_x, area.pos_y, area.size_w, area.size_h); -} - -/** - * 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); - return items [index]; -} - -/** - * 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); - for (int index = 0; index < itemCount; index++) { - TabItem item = items[index]; - Rectangle bounds = item.getBounds(); - if (bounds.contains(point)) return item; - } - return null; -} - -/** - * 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]; - System.arraycopy (items, 0, result, 0, result.length); - return result; -} - -/** - * 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 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 = getSelectionIndex (); - if (index == -1) return new TabItem [0]; - return new TabItem [] {items [index]}; -} - -/** - * 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 index; - if (currentIndex != OS.Pt_PG_INVALID && !OS.PtWidgetIsRealized (handle)) { - index = currentIndex; - } else { - int [] args = {OS.Pt_ARG_PG_CURRENT_INDEX, 0, 0}; - OS.PtGetResources (handle, args.length / 3, args); - index = args [1]; - } - return index == OS.Pt_PG_INVALID ? -1 : index; -} - -void hookEvents () { - super.hookEvents (); - int windowProc = display.windowProc; - OS.PtAddCallback (handle, OS.Pt_CB_PG_PANEL_SWITCHING, windowProc, OS.Pt_CB_PG_PANEL_SWITCHING); - OS.PtAddCallback (handle, OS.Pt_CB_REALIZED, windowProc, OS.Pt_CB_REALIZED); -} - -/** - * 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); - for (int i=0; i<itemCount; i++) { - if (items [i] == item) return i; - } - return -1; -} - -Point minimumSize (int wHint, int hHint, boolean flushCache) { - Control [] children = _getChildren (); - int width = 0, height = 0; - for (int i=0; i<children.length; i++) { - Control child = children [i]; - int index = 0; - while (index < itemCount) { - if (items [index].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); - } - } - return new Point (width, height); -} - -void moveToBack (int child) { - OS.PtWidgetInsert (child, handle, 0); -} - -int parentingHandle () { - return parentingHandle; -} - -int Pt_CB_PG_PANEL_SWITCHING (int widget, int info) { - if (info == 0) return OS.Pt_CONTINUE; - PtCallbackInfo_t cbinfo = new PtCallbackInfo_t (); - OS.memmove (cbinfo, info, PtCallbackInfo_t.sizeof); - short[] oldIndex = new short[1]; - short[] newIndex = new short[1]; - OS.memmove(oldIndex, cbinfo.cbdata + 8, 2); - OS.memmove(newIndex, cbinfo.cbdata + 10, 2); - Control oldControl = null; - int index = oldIndex [0]; - TabItem oldItem = items [index]; - if (0 <= index && index < itemCount) oldControl = oldItem.control; - Control newControl = null; - index = newIndex [0]; - TabItem newItem = items [index]; - if (0 <= index && index < itemCount) newControl = newItem.control; - if (oldControl != null && !oldControl.isDisposed()) oldControl.setVisible (false); - if (newControl != null && !newControl.isDisposed()) { - newControl.setBounds (getClientArea ()); - newControl.setVisible (true); - } - Event event = new Event (); - event.item = newItem; - postEvent (SWT.Selection, event); - return OS.Pt_CONTINUE; -} - -int Pt_CB_REALIZED (int widget, int info) { - int result = super.Pt_CB_REALIZED (widget, info); - if (currentIndex != OS.Pt_PG_INVALID) { - if (info == 0) return OS.Pt_END; - PtCallbackInfo_t cbinfo = new PtCallbackInfo_t (); - OS.memmove (cbinfo, info, PtCallbackInfo_t.sizeof); - if (cbinfo.reason == OS.Pt_CB_REALIZED) { - setSelection (currentIndex, false); - currentIndex = OS.Pt_PG_INVALID; - } - } - return result; -} - -void register () { - super.register (); - if (parentingHandle != 0) WidgetTable.put (parentingHandle, this); -} - -void releaseHandle () { - super.releaseHandle (); - parentingHandle = 0; -} - -void releaseChildren (boolean destroy) { - if (items != null) { - for (int i=0; i<itemCount; i++) { - TabItem item = items [i]; - if (item != null && !item.isDisposed ()) { - item.release (false); - } - } - itemCount = 0; - items = null; - } - super.releaseChildren (destroy); -} - -void removeControl (Control control) { - super.removeControl (control); - for (int i=0; i<itemCount; i++) { - TabItem item = items [i]; - if (item.control == control) item.setControl (null); - } -} - -/** - * 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, boolean move, boolean resize, boolean events) { - int result = super.setBounds (x, y, width, height, move, resize, events); - if ((result & RESIZED) != 0) { - int [] args = {OS.Pt_ARG_WIDTH, 0, 0, OS.Pt_ARG_HEIGHT, 0, 0}; - OS.PtGetResources (parentingHandle, args.length / 3, args); - OS.PtSetResources (handle, args.length / 3, args); - int index = getSelectionIndex (); - if (index != -1) { - TabItem item = items [index]; - Control control = item.control; - if (control != null && !control.isDisposed ()) { - control.setBounds (getClientArea ()); - } - } - } - return result; -} - -/** - * 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 [] args = {OS.Pt_ARG_PG_CURRENT_INDEX, 0, 0}; - OS.PtGetResources (handle, args.length / 3, args); - int oldIndex = args [1]; - if (oldIndex != OS.Pt_PG_INVALID) { - TabItem item = items [oldIndex]; - Control control = item.control; - if (control != null && !control.isDisposed ()) { - control.setVisible (false); - } - } - if (index == -1) index = OS.Pt_PG_INVALID; - OS.PtSetResource (handle, OS.Pt_ARG_PG_CURRENT_INDEX, index, 0); - args [1] = 0; - OS.PtGetResources (handle, args.length / 3, args); - int newIndex = args [1]; - /* - * Bug in Photon. Pt_ARG_PG_CURRENT_INDEX cannot be set if - * the widget is not realized. The fix is to remember the current - * index and reset it when the widget is realized. - */ - if (!OS.PtWidgetIsRealized (handle)) { - newIndex = currentIndex = index; - } - if (newIndex != OS.Pt_PG_INVALID) { - TabItem item = items [newIndex]; - Control control = item.control; - if (control != null && !control.isDisposed ()) { - control.setBounds (getClientArea ()); - control.setVisible (true); - } - if (notify) { - Event event = new Event (); - event.item = item; - postEvent (SWT.Selection, event); - } - } -} - -/** - * 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); - } - } -} - -boolean traversePage (boolean next) { - int count = getItemCount (); - if (count == 0) return false; - int index = getSelectionIndex (); - if (index == -1) { - index = 0; - } else { - int offset = next ? 1 : -1; - index = (index + offset + count) % count; - } - setSelection (index, true); - return true; -} - -int topHandle () { - return parentingHandle; -} - -int widgetClass () { - return OS.PtPanelGroup (); -} - -} |