| /******************************************************************************* |
| * 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.wpf.*; |
| import org.eclipse.swt.*; |
| import org.eclipse.swt.graphics.*; |
| |
| /** |
| * Instances of this class provide an area for dynamically |
| * positioning the items they contain. |
| * <p> |
| * The item children that may be added to instances of this class |
| * must be of type <code>CoolItem</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, HORIZONTAL, VERTICAL</dd> |
| * <dt><b>Events:</b></dt> |
| * <dd>(none)</dd> |
| * </dl> |
| * </p><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/#coolbar">CoolBar 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 CoolBar extends Composite { |
| Control [] children; |
| CoolItem [] items; |
| int parentingHandle; |
| int itemCount, childCount; |
| |
| //TEMPORARY CODE |
| static boolean IsVertical; |
| |
| /** |
| * 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#FLAT |
| * @see SWT#HORIZONTAL |
| * @see SWT#VERTICAL |
| * @see Widget#checkSubclass |
| * @see Widget#getStyle |
| */ |
| public CoolBar (Composite parent, int style) { |
| super (parent, checkStyle (style)); |
| if ((style & SWT.VERTICAL) != 0) { |
| this.style |= SWT.VERTICAL; |
| } else { |
| this.style |= SWT.HORIZONTAL; |
| } |
| } |
| |
| static int checkStyle (int style) { |
| style |= SWT.NO_FOCUS; |
| IsVertical = (style & SWT.V_SCROLL) != 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); |
| } |
| |
| 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; |
| } |
| |
| public Point computeSize (int wHint, int hHint, boolean changed) { |
| checkWidget (); |
| return computeSize (handle, wHint, hHint, changed); |
| } |
| |
| void createHandle () { |
| parentingHandle = OS.gcnew_Canvas (); |
| if (parentingHandle == 0) error (SWT.ERROR_NO_HANDLES); |
| handle = OS.gcnew_ToolBarTray (); |
| if (handle == 0) error (SWT.ERROR_NO_HANDLES); |
| int children = OS.Panel_Children (parentingHandle); |
| OS.UIElementCollection_Add (children, handle); |
| OS.GCHandle_Free (children); |
| if (IsVertical) OS.ToolBarTray_Orientation (handle, OS.Orientation_Vertical); |
| } |
| |
| void createItem (CoolItem item, int index) { |
| if (!(0 <= index && index <= itemCount)) error (SWT.ERROR_INVALID_RANGE); |
| item.createWidget (); |
| int toolbars = OS.ToolBarTray_ToolBars (handle); |
| int itemHandle = item.topHandle (); |
| OS.IList_Insert (toolbars, index, item.topHandle ()); |
| int count = OS.ICollection_Count (toolbars); |
| if (itemCount == count) error (SWT.ERROR_ITEM_NOT_ADDED); |
| int band = 0; |
| int bandIndex = 0; |
| if (index != itemCount) { |
| band = OS.ToolBar_Band (items [index].topHandle ()); |
| bandIndex = OS.ToolBar_BandIndex (items [index].topHandle ()); |
| for (int i=0; i<count; i++) { |
| int current = OS.IList_default (toolbars, i); |
| int currentBand = OS.ToolBar_Band (current); |
| int currentIndex = OS.ToolBar_BandIndex (current); |
| if (currentBand == band && currentIndex >= bandIndex) { |
| OS.ToolBar_BandIndex (current, currentIndex + 1); |
| } |
| OS.GCHandle_Free (current); |
| } |
| } else { |
| if (itemCount > 0) { |
| int [] log2vis = logicalToVisualIndices (); |
| int lastItem = items [log2vis [itemCount - 1]].topHandle (); |
| band = OS.ToolBar_Band (lastItem); |
| bandIndex = OS.ToolBar_BandIndex (lastItem) + 1; |
| } |
| } |
| OS.ToolBar_Band (itemHandle, band); |
| OS.ToolBar_BandIndex (itemHandle, bandIndex); |
| OS.GCHandle_Free (toolbars); |
| if (itemCount == items.length) { |
| CoolItem [] newItems = new CoolItem [items.length + 4]; |
| System.arraycopy (items, 0, newItems, 0, items.length); |
| items = newItems; |
| } |
| System.arraycopy (items, index, items, index + 1, itemCount - index); |
| items [index] = item; |
| itemCount++; |
| } |
| |
| void createWidget () { |
| super.createWidget (); |
| items = new CoolItem [4]; |
| children = new Control [4]; |
| } |
| |
| int defaultBackground () { |
| return OS.Colors_Transparent; |
| } |
| |
| void deregister () { |
| super.deregister (); |
| display.removeWidget (parentingHandle); |
| } |
| |
| void destroyItem (CoolItem item) { |
| int toolbars = OS.ToolBarTray_ToolBars (handle); |
| int itemHandle = item.topHandle (); |
| int band = OS.ToolBar_Band (itemHandle); |
| int bandIndex = OS.ToolBar_BandIndex (itemHandle); |
| OS.IList_Remove (toolbars, itemHandle); |
| int count = OS.ICollection_Count (toolbars); |
| if (itemCount == count) error (SWT.ERROR_ITEM_NOT_REMOVED); |
| itemCount--; |
| for (int i=0; i<itemCount; i++) { |
| int current = OS.IList_default (toolbars, i); |
| int currentBand = OS.ToolBar_Band (current); |
| int currentIndex = OS.ToolBar_BandIndex (current); |
| if (currentBand == band && currentIndex >= bandIndex) { |
| OS.ToolBar_BandIndex (current, currentIndex - 1); |
| } |
| OS.GCHandle_Free (current); |
| } |
| OS.GCHandle_Free (toolbars); |
| int index = 0; |
| while (index < items.length) { |
| if (items [index] == item) break; |
| index++; |
| } |
| System.arraycopy (items, index + 1, items, index, itemCount - index); |
| items [itemCount] = null; |
| } |
| |
| 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; |
| } |
| |
| int [] logicalToVisualIndices () { |
| int [] bandLengths = new int [4]; |
| for (int i = 0; i < itemCount; i++) { |
| int topHandle = items [i].topHandle (); |
| int band = OS.ToolBar_Band (topHandle); |
| int bandIndex = OS.ToolBar_BandIndex (topHandle); |
| if (band >= bandLengths.length) { |
| int [] newLengths = new int [band + 4]; |
| System.arraycopy (bandLengths, 0, newLengths, 0, bandLengths.length); |
| bandLengths = newLengths; |
| } |
| if (bandIndex + 1 > bandLengths [band]) bandLengths [band] = bandIndex + 1; |
| } |
| int [] result = new int [itemCount]; |
| for (int i = 0; i < itemCount; i++) { |
| int topHandle = items [i].topHandle (); |
| int band = OS.ToolBar_Band (topHandle); |
| int bandIndex = OS.ToolBar_BandIndex (topHandle); |
| int index = bandIndex; |
| for (int j=0; j<band; j++) index += bandLengths [j]; |
| result [index] = i; |
| } |
| return result; |
| } |
| |
| /** |
| * Returns the item that is currently displayed at the given, |
| * zero-relative index. Throws an exception if the index is |
| * out of range. |
| * |
| * @param index the visual index of the item to return |
| * @return the item at the given visual 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 CoolItem getItem (int index) { |
| checkWidget (); |
| if (index < 0 || index >= itemCount) error (SWT.ERROR_INVALID_RANGE); |
| int [] log2vis = logicalToVisualIndices (); |
| return items [log2vis [index]]; |
| } |
| |
| /** |
| * 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 zero-relative ints that map |
| * the creation order of the receiver's items to the |
| * order in which they are currently being displayed. |
| * <p> |
| * Specifically, the indices of the returned array represent |
| * the current visual order of the items, and the contents |
| * of the array represent the creation order of the items. |
| * </p><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 current visual order of the receiver's 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 [] getItemOrder () { |
| checkWidget (); |
| return logicalToVisualIndices (); |
| } |
| |
| /** |
| * Returns an array of <code>CoolItem</code>s in the order |
| * in which they are currently being displayed. |
| * <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 receiver's items in their current visual order |
| * |
| * @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 CoolItem [] getItems () { |
| checkWidget (); |
| CoolItem [] result = new CoolItem [itemCount]; |
| int [] log2vis = logicalToVisualIndices (); |
| for (int i = 0; i < itemCount; i++) { |
| result [i] = items [log2vis [i]]; |
| } |
| return result; |
| } |
| |
| /** |
| * Returns an array of points whose x and y coordinates describe |
| * the widths and heights (respectively) of the items in the receiver |
| * in the order in which they are currently being displayed. |
| * |
| * @return the receiver's item sizes in their current visual order |
| * |
| * @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 Point [] getItemSizes () { |
| checkWidget (); |
| int [] log2vis = logicalToVisualIndices (); |
| Point [] result = new Point [itemCount]; |
| for (int i = 0; i < itemCount; i++) { |
| result [i] = items [log2vis [i]].getSize (); |
| } |
| return result; |
| } |
| |
| Point getLocation (Control child) { |
| int topHandle = child.topHandle (); |
| int point = OS.gcnew_Point (0, 0); |
| if (point == 0) error (SWT.ERROR_NO_HANDLES); |
| int location = OS.UIElement_TranslatePoint (topHandle, point, handle); |
| int x = (int) OS.Point_X (location); |
| int y = (int) OS.Point_Y (location); |
| OS.GCHandle_Free (point); |
| OS.GCHandle_Free (location); |
| return new Point (x, y); |
| } |
| |
| /** |
| * Returns whether or not the receiver is 'locked'. When a coolbar |
| * is locked, its items cannot be repositioned. |
| * |
| * @return true if the coolbar is locked, false otherwise |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @since 2.0 |
| */ |
| public boolean getLocked () { |
| checkWidget (); |
| return OS.ToolBarTray_IsLocked (handle); |
| } |
| |
| /** |
| * Returns an array of ints that describe the zero-relative |
| * indices of any item(s) in the receiver that will begin on |
| * a new row. The 0th visible item always begins the first row, |
| * therefore it does not count as a wrap index. |
| * |
| * @return an array containing the receiver's wrap indices, or an empty array if all items are in one row |
| * |
| * @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 [] getWrapIndices () { |
| checkWidget (); |
| int bands = 1; |
| int [] bandLengths = new int [4]; |
| for (int i = 0; i < itemCount; i++) { |
| int topHandle = items [i].topHandle (); |
| int band = OS.ToolBar_Band (topHandle); |
| int bandIndex = OS.ToolBar_BandIndex (topHandle); |
| if (band >= bandLengths.length) { |
| int [] newLengths = new int [band + 4]; |
| System.arraycopy (bandLengths, 0, newLengths, 0, bandLengths.length); |
| bandLengths = newLengths; |
| } |
| if (band != 0 && bandLengths [band] == 0) bands ++; |
| if (bandIndex + 1 > bandLengths [band]) bandLengths [band] = bandIndex + 1; |
| } |
| if (bands == 1) return new int [0]; |
| int [] result = new int [bands-1]; |
| int sum = 0; |
| for (int i = 0; i < result.length; i++) { |
| sum += bandLengths [i]; |
| result [i] = sum; |
| } |
| return result; |
| } |
| |
| void HandleSizeChanged (int sender, int e) { |
| postEvent (SWT.Resize); |
| } |
| |
| void hookEvents () { |
| super.hookEvents (); |
| int handler = OS.gcnew_SizeChangedEventHandler (jniRef, "HandleSizeChanged"); |
| OS.FrameworkElement_SizeChanged (handle, handler); |
| OS.GCHandle_Free (handler); |
| } |
| |
| /** |
| * Searches the receiver's items in the order they are currently |
| * being displayed, 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 visual order index of the search item, or -1 if the item is not found |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the item is null</li> |
| * <li>ERROR_INVALID_ARGUMENT - if the item is 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 (CoolItem 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 (item.equals (items [i])) { |
| int [] log2vis = logicalToVisualIndices (); |
| return log2vis [i]; |
| } |
| } |
| return -1; |
| } |
| |
| int parentingHandle () { |
| return parentingHandle; |
| } |
| |
| void register () { |
| super.register (); |
| display.addWidget (parentingHandle, this); |
| } |
| |
| void releaseChildren (boolean destroy) { |
| for (int i=0; i<itemCount; i++) { |
| CoolItem item = items [i]; |
| if (item != null && !item.isDisposed ()) item.release (false); |
| } |
| super.releaseChildren (destroy); |
| } |
| |
| void releaseHandle () { |
| super.releaseHandle (); |
| if (parentingHandle != 0) OS.GCHandle_Free (parentingHandle); |
| parentingHandle = 0; |
| } |
| |
| 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 removeControl (Control control) { |
| super.removeControl (control); |
| for (int i=0; i<itemCount; i++) { |
| CoolItem item = items [i]; |
| if (item.control == control) { |
| item.setControl (null); |
| break; |
| } |
| } |
| } |
| |
| void reskinChildren (int flags) { |
| if (items != null) { |
| for (int i=0; i<items.length; i++) { |
| CoolItem item = items [i]; |
| if (item != null) item.reskin (flags); |
| } |
| } |
| super.reskinChildren (flags); |
| } |
| |
| 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) { |
| if ((style & SWT.VERTICAL) != 0) { |
| OS.FrameworkElement_Height (handle, height); |
| } else { |
| OS.FrameworkElement_Width (handle, width); |
| } |
| } |
| return result; |
| } |
| |
| /** |
| * Sets the receiver's item order, wrap indices, and item sizes |
| * all at once. This method is typically used to restore the |
| * displayed state of the receiver to a previously stored state. |
| * <p> |
| * The item order is the order in which the items in the receiver |
| * should be displayed, given in terms of the zero-relative ordering |
| * of when the items were added. |
| * </p><p> |
| * The wrap indices are the indices of all item(s) in the receiver |
| * that will begin on a new row. The indices are given in the order |
| * specified by the item order. The 0th item always begins the first |
| * row, therefore it does not count as a wrap index. If wrap indices |
| * is null or empty, the items will be placed on one line. |
| * </p><p> |
| * The sizes are specified in an array of points whose x and y |
| * coordinates describe the new widths and heights (respectively) |
| * of the receiver's items in the order specified by the item order. |
| * </p> |
| * |
| * @param itemOrder an array of indices that describe the new order to display the items in |
| * @param wrapIndices an array of wrap indices, or null |
| * @param sizes an array containing the new sizes for each of the receiver's items in visual order |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if item order or sizes is null</li> |
| * <li>ERROR_INVALID_ARGUMENT - if item order or sizes is not the same length as the number of items</li> |
| * </ul> |
| */ |
| public void setItemLayout (int [] itemOrder, int [] wrapIndices, Point [] sizes) { |
| checkWidget (); |
| setItemOrder (itemOrder); |
| setWrapIndices (wrapIndices); |
| setItemSizes (sizes); |
| } |
| |
| /* |
| * Sets the order that the items in the receiver should |
| * be displayed in to the given argument which is described |
| * in terms of the zero-relative ordering of when the items |
| * were added. |
| * |
| * @param itemOrder the new order to display the items in |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the item order is null</li> |
| * <li>ERROR_INVALID_ARGUMENT - if the item order is not the same length as the number of items</li> |
| * </ul> |
| */ |
| void setItemOrder (int [] itemOrder) { |
| checkWidget (); |
| if (itemOrder == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if (itemOrder.length != itemCount) error (SWT.ERROR_INVALID_ARGUMENT); |
| /* Ensure that itemOrder does not contain any duplicates. */ |
| boolean [] set = new boolean [itemCount]; |
| for (int i=0; i<itemOrder.length; i++) { |
| int index = itemOrder [i]; |
| if (index < 0 || index >= itemCount) error (SWT.ERROR_INVALID_RANGE); |
| if (set [index]) error (SWT.ERROR_INVALID_ARGUMENT); |
| set [index] = true; |
| } |
| for (int i=0; i<itemCount; i++) { |
| CoolItem item = items [itemOrder [i]]; |
| int itemHandle = item.topHandle (); |
| OS.ToolBar_Band (itemHandle, 0); |
| OS.ToolBar_BandIndex (itemHandle, i); |
| } |
| } |
| |
| /* |
| * Sets the width and height of the receiver's items to the ones |
| * specified by the argument, which is an array of points whose x |
| * and y coordinates describe the widths and heights (respectively) |
| * in the order in which the items are currently being displayed. |
| * |
| * @param sizes an array containing the new sizes for each of the receiver's items in visual order |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the array of sizes is null</li> |
| * <li>ERROR_INVALID_ARGUMENT - if the array of sizes is not the same length as the number of items</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> |
| */ |
| void setItemSizes (Point [] sizes) { |
| if (sizes == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if (sizes.length != itemCount) error (SWT.ERROR_INVALID_ARGUMENT); |
| int [] log2vis = logicalToVisualIndices (); |
| for (int i=0; i<itemCount; i++) { |
| items [log2vis [i]].setSize (sizes [i].x, sizes [i].y); |
| } |
| } |
| |
| /** |
| * Sets whether or not the receiver is 'locked'. When a coolbar |
| * is locked, its items cannot be repositioned. |
| * |
| * @param locked lock the coolbar if true, otherwise unlock the coolbar |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @since 2.0 |
| */ |
| public void setLocked (boolean locked) { |
| checkWidget (); |
| OS.ToolBarTray_IsLocked (handle, locked); |
| } |
| |
| /** |
| * Sets the indices of all item(s) in the receiver that will |
| * begin on a new row. The indices are given in the order in |
| * which they are currently being displayed. The 0th item |
| * always begins the first row, therefore it does not count |
| * as a wrap index. If indices is null or empty, the items |
| * will be placed on one line. |
| * |
| * @param indices an array of wrap indices, or null |
| * |
| * @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 setWrapIndices (int [] indices) { |
| checkWidget (); |
| if (indices == null) indices = new int [0]; |
| int count = getItemCount (); |
| for (int i=0; i<indices.length; i++) { |
| if (indices [i] < 0 || indices [i] >= count) { |
| error (SWT.ERROR_INVALID_RANGE); |
| } |
| } |
| sortAscending (indices); |
| int [] log2vis = logicalToVisualIndices (); |
| int band = 0; |
| int bandIndex = 0; |
| int wrapIndex = 0; |
| for (int i = 0; i < itemCount; i++) { |
| int wrap = indices.length > wrapIndex ? indices [wrapIndex] : itemCount; |
| if (i == wrap) { |
| if (wrap != 0) { |
| band ++; |
| bandIndex = 0; |
| } |
| wrapIndex ++; |
| } |
| int topHandle = items [log2vis [i]].topHandle (); |
| OS.ToolBar_Band (topHandle, band); |
| OS.ToolBar_BandIndex (topHandle, bandIndex); |
| bandIndex ++; |
| } |
| } |
| |
| int topHandle () { |
| return parentingHandle; |
| } |
| } |