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author | Silenio Quarti <silenio> | 2009-07-01 14:50:54 +0000 |
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committer | Silenio Quarti <silenio> | 2009-07-01 14:50:54 +0000 |
commit | 093c579a4ffd9551acb901bba9617e7aa776989d (patch) | |
tree | 71cf23798b651ef92f188390841a8d130908fb11 /bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/TabFolder.java | |
parent | f664d297f7bb009784868bf3fcf0b3e3bb9a646b (diff) | |
download | eclipse.platform.swt-093c579a4ffd9551acb901bba9617e7aa776989d.tar.gz eclipse.platform.swt-093c579a4ffd9551acb901bba9617e7aa776989d.tar.xz eclipse.platform.swt-093c579a4ffd9551acb901bba9617e7aa776989d.zip |
restore HEAD after accidental deletion by error in automated build script
Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/TabFolder.java')
-rw-r--r-- | bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/TabFolder.java | 733 |
1 files changed, 733 insertions, 0 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/TabFolder.java b/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/TabFolder.java new file mode 100644 index 0000000000..68ddc4b10b --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/TabFolder.java @@ -0,0 +1,733 @@ +/******************************************************************************* + * 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.internal.gtk.*; +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 { + TabItem [] items; + ImageList imageList; + +/** + * 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); +} + +protected void checkSubclass () { + if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); +} + +int /*long*/ childStyle () { + int /*long*/ rcStyle = OS.gtk_widget_get_modifier_style (handle); + if ((OS.gtk_rc_style_get_color_flags (rcStyle, 0) & OS.GTK_RC_BG) != 0) return 0; + OS.gtk_widget_realize (handle); + return OS.gtk_widget_get_style (handle); +} + +/** + * 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); +} + +int /*long*/ clientHandle () { + int index = OS.gtk_notebook_get_current_page (handle); + if (index != -1 && items [index] != null) { + return items [index].pageHandle; + } + return handle; +} + +public Point computeSize (int wHint, int hHint, boolean changed) { + checkWidget (); + Point size = super.computeSize (wHint, hHint, changed); + if (wHint != SWT.DEFAULT && wHint < 0) wHint = 0; + if (hHint != SWT.DEFAULT && hHint < 0) hHint = 0; + boolean scrollable = OS.gtk_notebook_get_scrollable (handle); + OS.gtk_notebook_set_scrollable (handle, false); + Point notebookSize = computeNativeSize (handle, wHint, hHint, changed); + OS.gtk_notebook_set_scrollable (handle, scrollable); + size.x = Math.max (notebookSize.x, size.x); + size.y = Math.max (notebookSize.y, size.y); + return size; +} + +public Rectangle computeTrim (int x, int y, int width, int height) { + checkWidget(); + forceResize (); + int /*long*/ clientHandle = clientHandle (); + int clientX = OS.GTK_WIDGET_X (clientHandle); + int clientY = OS.GTK_WIDGET_Y (clientHandle); + x -= clientX; + y -= clientY; + width += clientX + clientX; + if ((style & SWT.BOTTOM) != 0) { + int parentHeight = OS.GTK_WIDGET_HEIGHT (handle); + int clientHeight = OS.GTK_WIDGET_HEIGHT (clientHandle); + height += parentHeight - clientHeight; + } else { + height += clientX + clientY; + } + return new Rectangle (x, y, width, height); +} + +void createHandle (int index) { + state |= HANDLE; + fixedHandle = OS.g_object_new (display.gtk_fixed_get_type (), 0); + if (fixedHandle == 0) error (SWT.ERROR_NO_HANDLES); + OS.gtk_fixed_set_has_window (fixedHandle, true); + handle = OS.gtk_notebook_new (); + if (handle == 0) error (SWT.ERROR_NO_HANDLES); + OS.gtk_container_add (fixedHandle, handle); + OS.gtk_notebook_set_scrollable (handle, true); + OS.gtk_notebook_set_show_tabs (handle, true); + if ((style & SWT.BOTTOM) != 0) { + OS.gtk_notebook_set_tab_pos (handle, OS.GTK_POS_BOTTOM); + } +} + +void createWidget (int index) { + super.createWidget(index); + items = new TabItem [4]; +} + +void createItem (TabItem item, int index) { + int /*long*/ list = OS.gtk_container_get_children (handle); + int itemCount = 0; + if (list != 0) { + itemCount = OS.g_list_length (list); + OS.g_list_free (list); + } + if (!(0 <= index && index <= itemCount)) error (SWT.ERROR_INVALID_RANGE); + if (itemCount == items.length) { + TabItem [] newItems = new TabItem [items.length + 4]; + System.arraycopy (items, 0, newItems, 0, items.length); + items = newItems; + } + int /*long*/ boxHandle = OS.gtk_hbox_new (false, 0); + if (boxHandle == 0) error (SWT.ERROR_NO_HANDLES); + int /*long*/ labelHandle = OS.gtk_label_new_with_mnemonic (null); + if (labelHandle == 0) error (SWT.ERROR_NO_HANDLES); + int /*long*/ imageHandle = OS.gtk_image_new (); + if (imageHandle == 0) error (SWT.ERROR_NO_HANDLES); + OS.gtk_container_add (boxHandle, imageHandle); + OS.gtk_container_add (boxHandle, labelHandle); + int /*long*/ pageHandle = OS.g_object_new (display.gtk_fixed_get_type (), 0); + if (pageHandle == 0) error (SWT.ERROR_NO_HANDLES); + OS.g_signal_handlers_block_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, SWITCH_PAGE); + OS.gtk_notebook_insert_page (handle, pageHandle, boxHandle, index); + OS.g_signal_handlers_unblock_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, SWITCH_PAGE); + OS.gtk_widget_show (boxHandle); + OS.gtk_widget_show (labelHandle); + OS.gtk_widget_show (pageHandle); + item.state |= HANDLE; + item.handle = boxHandle; + item.labelHandle = labelHandle; + item.imageHandle = imageHandle; + item.pageHandle = pageHandle; + System.arraycopy (items, index, items, index + 1, itemCount++ - index); + items [index] = item; + if ((state & FOREGROUND) != 0) { + item.setForegroundColor (getForegroundColor()); + } + if ((state & FONT) != 0) { + item.setFontDescription (getFontDescription()); + } + if (itemCount == 1) { + OS.g_signal_handlers_block_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, SWITCH_PAGE); + OS.gtk_notebook_set_current_page (handle, 0); + OS.g_signal_handlers_unblock_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, SWITCH_PAGE); + Event event = new Event(); + event.item = items[0]; + sendEvent (SWT.Selection, event); + // the widget could be destroyed at this point + } +} + +void destroyItem (TabItem item) { + int index = 0; + int itemCount = getItemCount(); + while (index < itemCount) { + if (items [index] == item) break; + index++; + } + if (index == itemCount) error (SWT.ERROR_ITEM_NOT_REMOVED); + int oldIndex = OS.gtk_notebook_get_current_page (handle); + OS.g_signal_handlers_block_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, SWITCH_PAGE); + OS.gtk_notebook_remove_page (handle, index); + OS.g_signal_handlers_unblock_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, SWITCH_PAGE); + System.arraycopy (items, index + 1, items, index, --itemCount - index); + items [itemCount] = null; + if (index == oldIndex) { + int newIndex = OS.gtk_notebook_get_current_page (handle); + if (newIndex != -1) { + Control control = items [newIndex].getControl (); + if (control != null && !control.isDisposed ()) { + control.setBounds (getClientArea()); + control.setVisible (true); + } + Event event = new Event (); + event.item = items [newIndex]; + sendEvent (SWT.Selection, event); + // the widget could be destroyed at this point + } + } +} + +int /*long*/ eventHandle () { + return 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 TabItem getItem (int index) { + checkWidget(); + if (!(0 <= index && index < getItemCount())) error (SWT.ERROR_INVALID_RANGE); + int /*long*/ list = OS.gtk_container_get_children (handle); + if (list == 0) error (SWT.ERROR_CANNOT_GET_ITEM); + int itemCount = OS.g_list_length (list); + OS.g_list_free (list); + if (!(0 <= index && index < itemCount)) error (SWT.ERROR_CANNOT_GET_ITEM); + 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); + int /*long*/ list = OS.gtk_container_get_children (handle); + if (list == 0) return null; + int itemCount = OS.g_list_length (list); + OS.g_list_free (list); + for (int i = 0; i < itemCount; i++) { + TabItem item = items[i]; + Rectangle rect = item.getBounds(); + if (rect.contains(point)) return item; + } + 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 () { + checkWidget(); + int /*long*/ list = OS.gtk_container_get_children (handle); + if (list == 0) return 0; + int itemCount = OS.g_list_length (list); + OS.g_list_free (list); + 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(); + int count = getItemCount (); + TabItem [] result = new TabItem [count]; + System.arraycopy (items, 0, result, 0, count); + 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.gtk_notebook_get_current_page (handle); + 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(); + return OS.gtk_notebook_get_current_page (handle); +} + +int /*long*/ gtk_focus (int /*long*/ widget, int /*long*/ directionType) { + return 0; +} + +int /*long*/ gtk_switch_page (int /*long*/ widget, int /*long*/ page, int /*long*/ page_num) { + int index = OS.gtk_notebook_get_current_page (handle); + if (index != -1) { + Control control = items [index].getControl (); + if (control != null && !control.isDisposed ()) { + control.setVisible (false); + } + } + TabItem item = items [(int)/*64*/page_num]; + Control control = item.getControl (); + if (control != null && !control.isDisposed ()) { + control.setBounds(getClientArea()); + control.setVisible (true); + } + Event event = new Event(); + event.item = item; + postEvent(SWT.Selection, event); + return 0; +} + +void hookEvents () { + super.hookEvents (); + OS.g_signal_connect_closure (handle, OS.switch_page, display.closures [SWITCH_PAGE], false); +} + +/** + * 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 /*long*/ list = OS.gtk_container_get_children (handle); + if (list == 0) return -1; + int count = OS.g_list_length (list); + OS.g_list_free (list); + for (int i=0; i<count; 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; + int count = 0; + int /*long*/ list = OS.gtk_container_get_children (handle); + if (list != 0) { + count = OS.g_list_length (list); + OS.g_list_free (list); + } + while (index < count) { + if (items [index].control == child) break; + index++; + } + if (index == count) { + 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); +} + +boolean mnemonicHit (char key) { + int itemCount = getItemCount (); + for (int i=0; i<itemCount; i++) { + int /*long*/ labelHandle = items [i].labelHandle; + if (labelHandle != 0 && mnemonicHit (labelHandle, key)) return true; + } + return false; +} + +boolean mnemonicMatch (char key) { + int itemCount = getItemCount (); + for (int i=0; i<itemCount; i++) { + int /*long*/ labelHandle = items [i].labelHandle; + if (labelHandle != 0 && mnemonicHit (labelHandle, key)) return true; + } + return false; +} + +void releaseChildren (boolean destroy) { + if (items != null) { + for (int i=0; i<items.length; i++) { + TabItem item = items [i]; + if (item != null && !item.isDisposed ()) { + item.release (false); + } + } + items = null; + } + super.releaseChildren (destroy); +} + +void releaseWidget () { + super.releaseWidget (); + if (imageList != null) imageList.dispose (); + imageList = null; +} + +void removeControl (Control control) { + super.removeControl (control); + int count = getItemCount (); + for (int i=0; i<count; 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) { + int result = super.setBounds (x, y, width, height, move, resize); + if ((result & RESIZED) != 0) { + int index = getSelectionIndex (); + if (index != -1) { + TabItem item = items [index]; + Control control = item.control; + if (control != null && !control.isDisposed ()) { + control.setBounds (getClientArea ()); + } + } + } + return result; +} + +void setFontDescription (int /*long*/ font) { + super.setFontDescription (font); + TabItem [] items = getItems (); + for (int i = 0; i < items.length; i++) { + if (items[i] != null) { + items[i].setFontDescription (font); + } + } +} + +void setForegroundColor (GdkColor color) { + super.setForegroundColor (color); + TabItem [] items = getItems (); + for (int i = 0; i < items.length; i++) { + if (items[i] != null) { + items[i].setForegroundColor (color); + } + } +} + +/** + * 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 < getItemCount ())) return; + setSelection (index, false); +} + +void setSelection (int index, boolean notify) { + if (index < 0) return; + int oldIndex = OS.gtk_notebook_get_current_page (handle); + if (oldIndex == index) return; + if (oldIndex != -1) { + TabItem item = items [oldIndex]; + Control control = item.control; + if (control != null && !control.isDisposed ()) { + control.setVisible (false); + } + } + OS.g_signal_handlers_block_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, SWITCH_PAGE); + OS.gtk_notebook_set_current_page (handle, index); + OS.g_signal_handlers_unblock_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, SWITCH_PAGE); + int newIndex = OS.gtk_notebook_get_current_page (handle); + if (newIndex != -1) { + 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; + sendEvent (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) { + 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 (final boolean next) { + if (next) { + OS.gtk_notebook_next_page (handle); + } else { + OS.gtk_notebook_prev_page (handle); + } + return true; +} + +} |