/*******************************************************************************
* Copyright (c) 2000, 2012 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.accessibility.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.internal.cocoa.*;
/**
* Instances of this class support the layout of selectable
* tool bar items.
* <p>
* The item children that may be added to instances of this class
* must be of type <code>ToolItem</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>FLAT, WRAP, RIGHT, HORIZONTAL, VERTICAL, SHADOW_OUT</dd>
* <dt><b>Events:</b></dt>
* <dd>(none)</dd>
* </dl>
* <p>
* Note: Only one of the styles HORIZONTAL and VERTICAL 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/#toolbar">ToolBar, ToolItem 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 ToolBar extends Composite {
int itemCount;
ToolItem [] items;
NSToolbar nsToolbar;
NSArray accessibilityAttributes = null;
ToolItem lastFocus;
static int NEXT_ID;
/**
* 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#FLAT
* @see SWT#WRAP
* @see SWT#RIGHT
* @see SWT#HORIZONTAL
* @see SWT#SHADOW_OUT
* @see SWT#VERTICAL
* @see Widget#checkSubclass()
* @see Widget#getStyle()
*/
public ToolBar (Composite parent, int style) {
this(parent, style, false);
}
ToolBar(Composite parent, int style, boolean internal) {
super (parent, checkStyle (parent, style, internal));
/*
* Ensure that either of HORIZONTAL or VERTICAL is set.
* NOTE: HORIZONTAL and VERTICAL have the same values
* as H_SCROLL and V_SCROLL so it is necessary to first
* clear these bits to avoid scroll bars and then reset
* the bits using the original style supplied by the
* programmer.
*/
if ((style & SWT.VERTICAL) != 0) {
this.style |= SWT.VERTICAL;
} else {
this.style |= SWT.HORIZONTAL;
}
}
long /*int*/ accessibilityAttributeValue (long /*int*/ id, long /*int*/ sel, long /*int*/ arg0) {
NSString nsAttributeName = new NSString(arg0);
if (id == accessibleHandle() && accessible != null) {
id returnObject = accessible.internal_accessibilityAttributeValue(nsAttributeName, ACC.CHILDID_SELF);
if (returnObject != null) return returnObject.id;
}
if (nsAttributeName.isEqualToString (OS.NSAccessibilityRoleAttribute) || nsAttributeName.isEqualToString (OS.NSAccessibilityRoleDescriptionAttribute)) {
NSString role = OS.NSAccessibilityToolbarRole;
if (nsAttributeName.isEqualToString (OS.NSAccessibilityRoleAttribute))
return role.id;
else {
long /*int*/ roleDescription = OS.NSAccessibilityRoleDescription(role.id, 0);
return roleDescription;
}
} else if (nsAttributeName.isEqualToString(OS.NSAccessibilityChildrenAttribute)) {
NSMutableArray returnValue = NSMutableArray.arrayWithCapacity(itemCount);
for (int i = 0; i < itemCount; i++) {
returnValue.addObject(new id(getItem(i).accessibleHandle()));
}
return returnValue.id;
} else if (nsAttributeName.isEqualToString(OS.NSAccessibilityEnabledAttribute)) {
return NSNumber.numberWithBool(isEnabled()).id;
} else if (nsAttributeName.isEqualToString(OS.NSAccessibilityFocusedAttribute)) {
boolean focused = (view.id == view.window().firstResponder().id);
return NSNumber.numberWithBool(focused).id;
}
return super.accessibilityAttributeValue(id, sel, arg0);
}
boolean accessibilityIsIgnored(long /*int*/ id, long /*int*/ sel) {
// Toolbars aren't ignored.
if (id == view.id) return false;
return super.accessibilityIsIgnored(id, sel);
}
static int checkStyle (Composite parent, int style, boolean internal) {
/*
* 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.
*/
int newStyle = style & ~(SWT.H_SCROLL | SWT.V_SCROLL);
/*
* Only internal clients can create an NSToolbar-based ToolBar.
*/
if (!internal && (newStyle & SWT.SMOOTH) != 0) {
newStyle &= ~SWT.SMOOTH;
}
/*
* A unified toolbar can only be parented to a Shell, and
* there can only be one unified toolbar per shell. If neither of these
* conditions hold, turn off the SMOOTH flag.
*/
if ((style & SWT.SMOOTH) != 0) {
if (parent instanceof Shell) {
Shell s = (Shell)parent;
if (s.window.toolbar() != null) newStyle &= ~SWT.SMOOTH;
} else {
newStyle &= ~SWT.SMOOTH;
}
}
/*
* Unified toolbar only supports a horizontal layout, and doesn't wrap.
*/
if ((newStyle & SWT.SMOOTH) != 0) {
newStyle &= ~(SWT.VERTICAL | SWT.WRAP);
newStyle |= SWT.HORIZONTAL;
}
return newStyle;
}
protected void checkSubclass () {
if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS);
}
public Point computeSize (int wHint, int hHint, boolean changed) {
checkWidget();
int width = wHint, height = hHint;
if (wHint == SWT.DEFAULT) width = 0x7FFFFFFF;
if (hHint == SWT.DEFAULT) height = 0x7FFFFFFF;
int [] result = layout (width, height, false);
Point extent = new Point (result [1], result [2]);
if (wHint != SWT.DEFAULT) extent.x = wHint;
if (hHint != SWT.DEFAULT) extent.y = hHint;
Rectangle trim = computeTrim (0, 0, extent.x, extent.y);
return new Point (trim.width, trim.height);
}
public Rectangle computeTrim (int x, int y, int width, int height) {
checkWidget();
if (nsToolbar != null) {
NSRect outer = view.frame();
NSRect inner = new NSView(view.subviews().objectAtIndex(0)).frame();
width += (int)outer.width - (int)inner.width;
} else if (scrollView != null) {
NSSize size = new NSSize();
size.width = width;
size.height = height;
size = NSScrollView.frameSizeForContentSize(size, false, false, OS.NSBezelBorder);
width = (int)size.width;
height = (int)size.height;
NSRect frame = scrollView.contentView().frame();
x -= frame.x;
y -= frame.y;
}
return new Rectangle (x, y, width, height);
}
void createHandle () {
if ((style & SWT.SMOOTH) != 0) {
nsToolbar = ((NSToolbar)new SWTToolbar().alloc()).initWithIdentifier(NSString.stringWith(String.valueOf(NEXT_ID++)));
nsToolbar.setDelegate(nsToolbar);
nsToolbar.setDisplayMode(OS.NSToolbarDisplayModeIconOnly);
NSWindow window = parent.view.window();
window.setToolbar(nsToolbar);
nsToolbar.setVisible(true);
NSArray views = window.contentView().superview().subviews();
for (int i = 0; i < views.count(); i++) {
id id = views.objectAtIndex(i);
if (new NSObject(id).className().getString().equals("NSToolbarView")) {
view = new NSView(id);
OS.object_setClass(view.id, OS.objc_getClass("SWTToolbarView"));
view.retain();
break;
}
}
style &= ~SWT.SMOOTH;
} else {
state |= THEME_BACKGROUND;
if (hasBorder()) {
NSRect rect = new NSRect();
NSScrollView scrollWidget = (NSScrollView)new SWTScrollView().alloc();
scrollWidget.initWithFrame (rect);
scrollWidget.setDrawsBackground(false);
scrollWidget.setBorderType(OS.NSBezelBorder);
scrollView = scrollWidget;
}
NSView widget = (NSView)new SWTView().alloc();
widget.init();
view = widget;
if (scrollView != null) view.setAutoresizingMask(OS.NSViewHeightSizable | OS.NSViewWidthSizable);
}
}
void createItem (ToolItem item, int index) {
if (!(0 <= index && index <= itemCount)) error (SWT.ERROR_INVALID_RANGE);
if (itemCount == items.length) {
ToolItem [] newItems = new ToolItem [itemCount + 4];
System.arraycopy (items, 0, newItems, 0, items.length);
items = newItems;
}
item.createWidget();
System.arraycopy (items, index, items, index + 1, itemCount++ - index);
items [index] = item;
if (nsToolbar != null) {
nsToolbar.insertItemWithItemIdentifier(item.getItemID(), index);
} else {
view.addSubview(item.view);
}
relayout ();
}
void createWidget () {
super.createWidget ();
items = new ToolItem [4];
itemCount = 0;
}
NSFont defaultNSFont() {
return NSFont.systemFontOfSize(11.0f);
}
void deregister () {
super.deregister ();
if (nsToolbar != null) display.removeWidget (nsToolbar);
}
void destroyItem (ToolItem item) {
int index = 0;
while (index < itemCount) {
if (items [index] == item) break;
index++;
}
if (index == itemCount) return;
if (item == lastFocus) lastFocus = null;
System.arraycopy (items, index + 1, items, index, --itemCount - index);
items [itemCount] = null;
if (nsToolbar != null) {
nsToolbar.removeItemAtIndex(index);
} else {
item.view.removeFromSuperview();
}
relayout ();
}
void drawBackground (long /*int*/ id, NSGraphicsContext context, NSRect rect) {
if (id != view.id) return;
if (background != null) {
fillBackground (view, context, rect, -1);
}
}
void enableWidget(boolean enabled) {
super.enableWidget(enabled);
for (int i = 0; i < itemCount; i++) {
ToolItem item = items[i];
if (item != null) {
item.enableWidget(enabled && item.getEnabled());
}
}
}
Widget findTooltip (NSPoint pt) {
pt = view.convertPoint_fromView_ (pt, null);
for (int i = 0; i < itemCount; i++) {
ToolItem item = items [i];
if (OS.NSPointInRect(pt, item.view.frame())) return item;
}
return super.findTooltip (pt);
}
void setZOrder() {
if (nsToolbar != null) return;
super.setZOrder();
}
public Rectangle getBounds () {
checkWidget();
if (nsToolbar != null) {
// The NSToolbar's view will always be a child of the Shell, so we can just
// convert the frame to window-relative coordinates.
NSRect rect = view.frame();
rect = view.convertRect_toView_(rect, null);
return new Rectangle((int)rect.x, (int)rect.y, (int)rect.width, (int)rect.height);
}
return super.getBounds();
}
boolean forceFocus (NSView focusView) {
if (lastFocus != null && lastFocus.setFocus ()) return true;
ToolItem [] items = getItems ();
for (int i = 0; i < items.length; i++) {
ToolItem item = items [i];
if (item.setFocus ()) {
lastFocus = item;
return true;
}
}
return false;
}
/**
* 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 ToolItem getItem (int index) {
checkWidget();
if (0 <= index && index < itemCount) return items [index];
error (SWT.ERROR_INVALID_RANGE);
return null;
}
/**
* 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 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>
*/
public ToolItem getItem (Point point) {
checkWidget();
if (point == null) error (SWT.ERROR_NULL_ARGUMENT);
for (int i=0; i<itemCount; i++) {
Rectangle rect = items [i].getBounds ();
if (rect.contains (point)) return items [i];
}
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();
return itemCount;
}
/**
* Returns an array of <code>ToolItem</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 ToolItem [] getItems () {
checkWidget();
ToolItem [] result = new ToolItem [itemCount];
System.arraycopy (items, 0, result, 0, itemCount);
return result;
}
/**
* Returns the number of rows in the receiver. When
* the receiver has the <code>WRAP</code> style, the
* number of rows can be greater than one. Otherwise,
* the number of rows is always one.
*
* @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 getRowCount () {
checkWidget();
Rectangle rect = getClientArea ();
return layout (rect.width, rect.height, false) [0];
}
boolean hasKeyboardFocus(long /*int*/ inId) {
return hasFocus();
}
/**
* 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 tool item is null</li>
* <li>ERROR_INVALID_ARGUMENT - if the tool 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>
*/
public int indexOf (ToolItem item) {
checkWidget();
if (item == null) error (SWT.ERROR_NULL_ARGUMENT);
if (item.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
for (int i=0; i<itemCount; i++) {
if (items [i] == item) return i;
}
return -1;
}
int [] layoutHorizontal (int width, int height, boolean resize) {
int xSpacing = 0, ySpacing = 2;
int marginWidth = 0, marginHeight = 0;
int x = marginWidth, y = marginHeight;
int maxX = 0, rows = 1;
boolean wrap = (style & SWT.WRAP) != 0;
int itemHeight = 0;
Point [] sizes = new Point [itemCount];
for (int i=0; i<itemCount; i++) {
Point size = sizes [i] = items [i].computeSize ();
itemHeight = Math.max (itemHeight, size.y);
}
for (int i=0; i<itemCount; i++) {
ToolItem item = items [i];
Point size = sizes [i];
if (wrap && i != 0 && x + size.x > width) {
rows++;
x = marginWidth;
y += ySpacing + itemHeight;
}
if (resize) {
item.setBounds (x, y, size.x, itemHeight);
boolean visible = x + size.x <= width && y + itemHeight <= height;
item.setVisible (visible);
Control control = item.control;
if (control != null) {
control.setBounds (x, y, size.x, itemHeight);
}
}
x += xSpacing + size.x;
maxX = Math.max (maxX, x);
}
return new int [] {rows, maxX, y + itemHeight};
}
int [] layoutUnified (int width, int height, boolean resize) {
int x = 0, y = 0;
int itemHeight = 0, maxX = 0;
Point [] sizes = new Point [itemCount];
NSRect [] containerRects = new NSRect[itemCount];
// This next line relies on the observation that all of the toolbar item views are children of the first
// subview of the NSToolbarView.
NSArray itemViewers = new NSView(view.subviews().objectAtIndex(0)).subviews();
for (int i=0; i<itemCount; i++) {
Point size = sizes [i] = items [i].computeSize ();
containerRects [i] = new NSView(itemViewers.objectAtIndex(i)).frame();
if (i == 0) x = (int) containerRects[0].x;
itemHeight = Math.max (itemHeight, size.y);
}
for (int i=0; i<itemCount; i++) {
ToolItem item = items [i];
Point size = sizes [i];
if (resize) {
item.setBounds (0, 0, size.x, itemHeight);
Control control = item.control;
if (control != null) {
control.setBounds (x, y, size.x, itemHeight);
}
}
x += containerRects[i].width;
maxX = Math.max (maxX, x);
}
return new int [] {1, maxX, itemHeight};
}
int [] layoutVertical (int width, int height, boolean resize) {
int xSpacing = 2, ySpacing = 0;
int marginWidth = 0, marginHeight = 0;
int x = marginWidth, y = marginHeight;
int maxY = 0, cols = 1;
boolean wrap = (style & SWT.WRAP) != 0;
int itemWidth = 0;
Point [] sizes = new Point [itemCount];
for (int i=0; i<itemCount; i++) {
Point size = sizes [i] = items [i].computeSize ();
itemWidth = Math.max (itemWidth, size.x);
}
for (int i=0; i<itemCount; i++) {
ToolItem item = items [i];
Point size = sizes [i];
if (wrap && i != 0 && y + size.y > height) {
cols++;
x += xSpacing + itemWidth;
y = marginHeight;
}
if (resize) {
item.setBounds (x, y, itemWidth, size.y);
boolean visible = x + itemWidth <= width && y + size.y <= height;
item.setVisible (visible);
Control control = item.control;
if (control != null) {
control.setBounds (x, y, itemWidth, size.y);
}
}
y += ySpacing + size.y;
maxY = Math.max (maxY, y);
}
return new int [] {cols, x + itemWidth, maxY};
}
int [] layout (int nWidth, int nHeight, boolean resize) {
if (nsToolbar != null) {
return layoutUnified(nWidth, nHeight, resize);
}
if ((style & SWT.VERTICAL) != 0) {
return layoutVertical (nWidth, nHeight, resize);
} else {
return layoutHorizontal (nWidth, nHeight, resize);
}
}
void register() {
super.register();
if (nsToolbar != null) display.addWidget (nsToolbar, this);
}
void relayout () {
if (!getDrawing()) return;
Rectangle rect = getClientArea ();
layout (rect.width, rect.height, true);
}
void releaseChildren (boolean destroy) {
if (items != null) {
for (int i=0; i<itemCount; i++) {
ToolItem item = items [i];
if (item != null && !item.isDisposed ()) {
item.release (false);
}
}
itemCount = 0;
items = null;
}
super.releaseChildren (destroy);
}
void releaseHandle () {
super.releaseHandle ();
if (nsToolbar != null) {
nsToolbar.release();
nsToolbar = null;
}
if (accessibilityAttributes != null) accessibilityAttributes.release();
accessibilityAttributes = null;
}
void removeControl (Control control) {
super.removeControl (control);
for (int i=0; i<itemCount; i++) {
ToolItem item = items [i];
if (item.control == control) item.setControl (null);
}
}
void resized () {
super.resized ();
relayout ();
}
void reskinChildren (int flags) {
if (items != null) {
for (int i=0; i<items.length; i++) {
ToolItem item = items [i];
if (item != null) item.reskin (flags);
}
}
super.reskinChildren (flags);
}
boolean sendMouseEvent (NSEvent nsEvent, int type, boolean send) {
switch (type) {
case SWT.MouseEnter:
case SWT.MouseMove:
// Start with the global mouse location, as the MouseEnter may occur due to
// an application-activated event, which isn't associated with a window.
NSPoint windowPoint = NSEvent.mouseLocation();
windowPoint = view.window().convertScreenToBase(windowPoint);
for (int i = 0; i < itemCount; i++) {
ToolItem item = items [i];
int currState = item.state;
NSPoint viewPoint = item.view.convertPoint_fromView_(windowPoint, null);
if (item.view.mouse(viewPoint, item.view.bounds())) {
item.state |= Widget.HOT;
} else {
item.state &= ~Widget.HOT;
}
if (currState != item.state) item.updateImage(true);
}
break;
case SWT.MouseExit:
for (int i = 0; i < itemCount; i++) {
ToolItem item = items [i];
int currState = item.state;
item.state &= ~Widget.HOT;
if (currState != item.state) item.updateImage(true);
}
break;
}
return super.sendMouseEvent(nsEvent, type, send);
}
void setBounds (int x, int y, int width, int height, boolean move, boolean resize) {
// In the unified toolbar case, the toolbar view size and position is completely controlled
// by the window, so don't change its bounds or location.
if (nsToolbar != null) return;
super.setBounds(x, y, width, height, move, resize);
}
void setFont(NSFont font) {
for (int i = 0; i < itemCount; i++) {
ToolItem item = items[i];
if (item.button != null) ((NSButton)item.button).setAttributedTitle(item.createString());
}
}
public void setRedraw (boolean redraw) {
checkWidget();
super.setRedraw (redraw);
if (redraw && drawCount == 0) relayout();
}
public void setVisible(boolean visible) {
if (nsToolbar != null) nsToolbar.setVisible(visible);
super.setVisible(visible);
}
long /*int*/ toolbar_itemForItemIdentifier_willBeInsertedIntoToolbar(long /*int*/ id, long /*int*/ sel, long /*int*/ toolbar, long /*int*/ itemIdentifier, boolean flag) {
NSString itemID = new NSString(itemIdentifier);
for (int j = 0; j < itemCount; j++) {
ToolItem item = items[j];
if (itemID.isEqual(item.nsItem.itemIdentifier())) {
return item.nsItem.id;
}
}
return 0;
}
/*
* Returns an array of all toolbar item IDs allowed to be in the toolbar. Since the ToolBar created all of the ToolItems
* return all of the item IDs.
*/
long /*int*/ toolbarAllowedItemIdentifiers(long /*int*/ id, long /*int*/ sel, long /*int*/ toolbar) {
NSMutableArray array = NSMutableArray.arrayWithCapacity(itemCount);
for (int i = 0; i < itemCount; i++) {
array.addObject(items[i].nsItem.itemIdentifier());
}
return array.id;
}
/*
* This delegate method isn't really needed because ToolBars aren't customizable, but it's required according to the documentation.
*/
long /*int*/ toolbarDefaultItemIdentifiers(long /*int*/ id, long /*int*/ sel, long /*int*/ toolbar) {
return toolbarAllowedItemIdentifiers(id, sel, toolbar);
}
/*
* toolbarSelectableItemIdentifiers returns an array of all items that can be the selected item, as determined
* by setSelectedItemIdentifier.
*/
long /*int*/ toolbarSelectableItemIdentifiers(long /*int*/ id, long /*int*/ sel, long /*int*/ toolbar) {
NSMutableArray array = NSMutableArray.arrayWithCapacity(itemCount);
for (int i = 0; i < itemCount; i++) {
if ((items[i].style & SWT.RADIO) != 0) array.addObject(items[i].nsItem.itemIdentifier());
}
return array.id;
}
boolean translateTraversal (int key, NSEvent theEvent, boolean[] consume) {
boolean result = super.translateTraversal (key, theEvent, consume);
if (result) return result;
boolean next = false;
boolean checkPopup = false;
switch (key) {
case 123: /* Left arrow */
next = false; break;
case 124: /* Right arrow */
next = true; break;
case 126: /* Up arrow */
next = false;
checkPopup = true;
break;
case 125: /* Down arrow */
next = true;
checkPopup = true;
break;
default: return false;
}
consume [0] = true;
if (checkPopup && lastFocus != null) {
if (lastFocus.handleKeyDown()) return false;
}
ToolItem[] items = getItems();
ToolItem item = lastFocus;
int length = items.length;
int index = 0;
while (index < length) {
if (items [index] == item) break;
index++;
}
/*
* It is possible (but unlikely), that application
* code could have disposed the widget in focus in
* or out events. Ensure that a disposed widget is
* not accessed.
*/
if (index == length) return false;
int start = index, offset = (next) ? 1 : -1;
while ((index = (index + offset + length) % length) != start) {
ToolItem child = items [index];
if (!child.isDisposed ()) {
if (child.setFocus ()) {
lastFocus = child;
return false;
}
}
}
return false;
}
}