| package org.eclipse.swt.widgets;
|
|
|
| /*
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| * (c) Copyright IBM Corp. 2000, 2001.
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| * All Rights Reserved
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| */
|
|
|
| import org.eclipse.swt.internal.photon.*;
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| import org.eclipse.swt.*;
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| import org.eclipse.swt.graphics.*;
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|
|
| public class ToolBar extends Composite {
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| int itemCount;
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| ToolItem [] items;
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|
|
| public ToolBar (Composite parent, int style) {
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| super (parent, checkStyle (style));
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|
|
| /*
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| * Ensure that either of HORIZONTAL or VERTICAL is set.
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| * NOTE: HORIZONTAL and VERTICAL have the same values
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| * as H_SCROLL and V_SCROLL so it is necessary to first
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| * clear these bits to avoid scroll bars and then reset
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| * the bits using the original style supplied by the
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| * programmer.
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| */
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| this.style = checkBits (style, SWT.HORIZONTAL, SWT.VERTICAL, 0, 0, 0, 0);
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| int [] args = {
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| OS.Pt_ARG_ORIENTATION, (style & SWT.VERTICAL) == 0 ? OS.Pt_HORIZONTAL : OS.Pt_VERTICAL, 0,
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| };
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| OS.PtSetResources(handle, args.length / 3, args);
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| }
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| static int checkStyle (int style) {
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| /*
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| * Even though it is legal to create this widget
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| * with scroll bars, they serve no useful purpose
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| * because they do not automatically scroll the
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| * widget's client area. The fix is to clear
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| * the SWT style.
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| */
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| return style & ~(SWT.H_SCROLL | SWT.V_SCROLL);
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| }
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|
|
| protected void checkSubclass () {
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| if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS);
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| }
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|
|
| public Point computeSize (int wHint, int hHint, boolean changed) {
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| // if (layout != null) return super.computeSize (wHint, hHint, changed);
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| checkWidget();
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| PhDim_t dim = new PhDim_t();
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| if (!OS.PtWidgetIsRealized (handle)) OS.PtExtentWidgetFamily (handle);
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| OS.PtWidgetPreferredSize(handle, dim);
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| int width = dim.w, height = dim.h;
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| if (wHint != SWT.DEFAULT || hHint != SWT.DEFAULT) {
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| PhRect_t rect = new PhRect_t ();
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| PhArea_t area = new PhArea_t ();
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| rect.lr_x = (short) (wHint - 1);
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| rect.lr_y = (short) (hHint - 1);
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| OS.PtSetAreaFromWidgetCanvas (handle, rect, area);
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| if (wHint != SWT.DEFAULT) width = area.size_w;
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| if (hHint != SWT.DEFAULT) height = area.size_h;
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| }
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| return new Point(width, height);
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| }
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|
|
| void createHandle (int index) {
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| state |= HANDLE;
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| Display display = getDisplay ();
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| int parentHandle = parent.handle;
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|
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| int [] args = {
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| OS.Pt_ARG_FLAGS, hasBorder () ? OS.Pt_HIGHLIGHTED : 0, OS.Pt_HIGHLIGHTED,
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| OS.Pt_ARG_TOOLBAR_FLAGS, 0, OS.Pt_TOOLBAR_DRAGGABLE | OS.Pt_TOOLBAR_END_SEPARATOR,
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| OS.Pt_ARG_RESIZE_FLAGS, 0, OS.Pt_RESIZE_XY_BITS,
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| };
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| handle = OS.PtCreateWidget (OS.PtToolbar (), parentHandle, args.length / 3, args);
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| if (handle == 0) error (SWT.ERROR_NO_HANDLES);
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| }
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|
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| void createItem (ToolItem item, int index) {
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| if (!(0 <= index && index <= itemCount)) error (SWT.ERROR_INVALID_RANGE);
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| if (itemCount == items.length) {
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| ToolItem [] newItems = new ToolItem [itemCount + 4];
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| System.arraycopy (items, 0, newItems, 0, items.length);
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| items = newItems;
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| }
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| item.createWidget (index);
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| System.arraycopy (items, index, items, index + 1, itemCount++ - index);
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| items [index] = item;
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| }
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|
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| void createWidget (int index) {
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| super.createWidget (index);
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| items = new ToolItem [4];
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| itemCount = 0;
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| }
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|
|
| void destroyItem (ToolItem item) {
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| int index = 0;
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| while (index < itemCount) {
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| if (items [index] == item) break;
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| index++;
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| }
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| if (index == itemCount) return;
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| System.arraycopy (items, index + 1, items, index, --itemCount - index);
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| items [itemCount] = null;
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| }
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|
|
| public int getItemCount () {
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| checkWidget();
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| return itemCount;
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| }
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|
|
| public ToolItem [] getItems () {
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| checkWidget();
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| ToolItem [] result = new ToolItem [itemCount];
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| System.arraycopy (items, 0, result, 0, itemCount);
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| return result;
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| }
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|
|
| public ToolItem getItem (int index) {
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| checkWidget();
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| int count = itemCount;
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| if (!(0 <= index && index < count)) error (SWT.ERROR_INVALID_RANGE);
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| return items [index];
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| }
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|
|
| public ToolItem getItem (Point pt) {
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| checkWidget();
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| ToolItem [] items = getItems ();
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| for (int i=0; i<items.length; i++) {
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| Rectangle rect = items [i].getBounds ();
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| if (rect.contains (pt)) return items [i];
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| }
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| return null;
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| }
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|
|
| public int getRowCount () {
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| checkWidget();
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| return 1;
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| }
|
|
|
| public int indexOf (ToolItem item) {
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| checkWidget();
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| if (item == null) error (SWT.ERROR_NULL_ARGUMENT);
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| if (item.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
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| int count = itemCount;
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| for (int i=0; i<count; i++) {
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| if (items [i] == item) return i;
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| }
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| return -1;
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| }
|
|
|
| void releaseWidget () {
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| for (int i=0; i<items.length; i++) {
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| ToolItem item = items [i];
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| if (item != null && !item.isDisposed ()) {
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| item.releaseWidget ();
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| item.releaseHandle ();
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| }
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| }
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| items = null;
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| super.releaseWidget ();
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| }
|
| |
| /* TEMPORARY CODE. Hack for eclipse. */ |
| public void setData(Object data) {
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| super.setData(data);
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| if (data != null && data.getClass().getName().indexOf("org.eclipse.ui.internal.ShortcutBarPart") != -1) {
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| int [] args = {
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| OS.Pt_ARG_ORIENTATION, OS.Pt_VERTICAL, 0,
|
| };
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| OS.PtSetResources(handle, args.length / 3, args);
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| }
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| } |
|
|
| }
|