| package org.eclipse.swt.widgets; |
| |
| /* |
| * Copyright (c) 2000, 2002 IBM Corp. All rights reserved. |
| * This file is made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| */ |
| |
| import org.eclipse.swt.internal.*; |
| import org.eclipse.swt.internal.carbon.*; |
| import org.eclipse.swt.graphics.*; |
| import org.eclipse.swt.*; |
| |
| /** |
| * Instances of this class provide an etched border |
| * with an optional title. |
| * <p> |
| * Shadow styles are hints and may not be honoured |
| * by the platform. To create a group with the |
| * default shadow style for the platform, do not |
| * specify a shadow style. |
| * <dl> |
| * <dt><b>Styles:</b></dt> |
| * <dd>SHADOW_ETCHED_IN, SHADOW_ETCHED_OUT, SHADOW_IN, SHADOW_OUT, SHADOW_NONE</dd> |
| * <dt><b>Events:</b></dt> |
| * <dd>(none)</dd> |
| * </dl> |
| * <p> |
| * Note: Only one of the above styles may be specified. |
| * </p><p> |
| * IMPORTANT: This class is <em>not</em> intended to be subclassed. |
| * </p> |
| */ |
| public /*final*/ class Group extends Composite { |
| // AW |
| private static final int LABEL_HEIGHT= 20; |
| private static final int MARGIN= 4; |
| // AW |
| |
| /** |
| * 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#SHADOW_ETCHED_IN |
| * @see SWT#SHADOW_ETCHED_OUT |
| * @see SWT#SHADOW_IN |
| * @see SWT#SHADOW_OUT |
| * @see SWT#SHADOW_NONE |
| * @see Widget#checkSubclass |
| * @see Widget#getStyle |
| */ |
| public Group (Composite parent, int style) { |
| super (parent, checkStyle (style)); |
| } |
| static int checkStyle (int style) { |
| /* |
| * 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); |
| } |
| public Rectangle computeTrim (int x, int y, int width, int height) { |
| checkWidget(); |
| /* AW |
| int trimX, trimY, trimWidth, trimHeight; |
| int [] argList = { |
| OS.XmNwidth, 0, |
| OS.XmNheight, 0, |
| OS.XmNshadowThickness, 0, |
| OS.XmNmarginWidth, 0, |
| OS.XmNmarginHeight, 0 |
| }; |
| OS.XtGetValues (handle, argList, argList.length / 2); |
| int thickness = argList [5]; |
| int marginWidth = argList [7]; |
| int marginHeight = argList [9]; |
| int borderWidth = getBorderWidth (); |
| trimX = x - marginWidth + thickness - borderWidth; |
| trimY = y - marginHeight + thickness - borderWidth; |
| trimWidth = width + ((marginWidth + thickness + borderWidth) * 2); |
| trimHeight = height + ((marginHeight + thickness + borderWidth) * 2); |
| if (OS.XtIsManaged (labelHandle)) { |
| int [] argList2 = {OS.XmNy, 0, OS.XmNheight, 0}; |
| OS.XtGetValues (labelHandle, argList2, argList2.length / 2); |
| int labelHeight = ((short) argList2 [1]) + argList2 [3]; |
| trimY = y - labelHeight; |
| trimHeight = height + labelHeight + (marginHeight + thickness); |
| } |
| */ |
| return new Rectangle (x-MARGIN, y-LABEL_HEIGHT, width+(2*MARGIN), height+LABEL_HEIGHT+MARGIN); |
| } |
| void createHandle (int index) { |
| state |= HANDLE; |
| |
| /* |
| * Feature in Motif. When a widget is managed or unmanaged, |
| * it may request and be granted, a new size in the OS. This |
| * behavior is unwanted. The fix is to create a parent for |
| * the list that will disallow geometry requests. |
| */ |
| int border = (style & SWT.BORDER) != 0 ? 1 : 0; |
| /* AW |
| int [] argList1 = { |
| OS.XmNancestorSensitive, 1, |
| OS.XmNborderWidth, border, |
| }; |
| */ |
| int parentHandle = parent.handle; |
| /* |
| formHandle = OS.XmCreateForm (parentHandle, null, argList1, argList1.length / 2); |
| if (formHandle == 0) error (SWT.ERROR_NO_HANDLES); |
| */ |
| /* AW |
| int [] argList2 = { |
| OS.XmNshadowType, shadowType (), |
| OS.XmNtopAttachment, OS.XmATTACH_FORM, |
| OS.XmNbottomAttachment, OS.XmATTACH_FORM, |
| OS.XmNleftAttachment, OS.XmATTACH_FORM, |
| OS.XmNrightAttachment, OS.XmATTACH_FORM, |
| OS.XmNresizable, 0, |
| }; |
| handle = OS.XmCreateFrame (formHandle, null, argList2, argList2.length / 2); |
| */ |
| handle= MacUtil.newControl(parentHandle, (short)0, (short)0, (short)0, OS.kControlGroupBoxTextTitleProc); |
| if (handle == 0) error (SWT.ERROR_NO_HANDLES); |
| setFont(defaultFont()); |
| /* AW |
| int [] argList3 = {OS.XmNchildType, OS.XmFRAME_TITLE_CHILD}; |
| labelHandle = OS.XmCreateLabel (handle, null, argList3, argList3.length / 2); |
| if (labelHandle == 0) error (SWT.ERROR_NO_HANDLES); |
| */ |
| } |
| Font defaultFont () { |
| return getDisplay ().groupFont; |
| } |
| public Rectangle getClientArea () { |
| checkWidget(); |
| /* AW |
| int [] argList = { |
| OS.XmNwidth, 0, |
| OS.XmNheight, 0, |
| OS.XmNshadowThickness, 0, |
| OS.XmNmarginWidth, 0, |
| OS.XmNmarginHeight, 0 |
| }; |
| OS.XtGetValues (handle, argList, argList.length / 2); |
| int thickness = argList [5]; |
| int marginWidth = argList [7]; |
| int marginHeight = argList [9]; |
| int x = marginWidth + thickness; |
| int y = marginHeight + thickness; |
| int width = argList [1] - ((marginWidth + thickness) * 2) - 1; |
| int height = argList [3] - ((marginHeight + thickness) * 2) - 1; |
| if (OS.XtIsManaged (labelHandle)) { |
| int [] argList2 = {OS.XmNy, 0, OS.XmNheight, 0}; |
| OS.XtGetValues (labelHandle, argList2, argList2.length / 2); |
| y = ((short) argList2 [1]) + argList2 [3]; |
| height = argList [3] - y - (marginHeight + thickness) - 1; |
| } |
| return new Rectangle (x, y, width, height); |
| */ |
| Point e= getSize(); |
| return new Rectangle(MARGIN, LABEL_HEIGHT, e.x-(2*MARGIN), e.y-(LABEL_HEIGHT+MARGIN)); |
| } |
| /** |
| * Returns the receiver's text, which is the string that the |
| * is used as the <em>title</em>. If the text has not previously |
| * been set, returns an empty string. |
| * |
| * @return the text |
| * |
| * @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 String getText () { |
| checkWidget(); |
| int[] sHandle= new int[1]; |
| OS.GetControlTitleAsCFString(handle, sHandle); |
| return MacUtil.getStringAndRelease(sHandle[0]); |
| } |
| boolean mnemonicHit (char key) { |
| return setFocus (); |
| } |
| boolean mnemonicMatch (char key) { |
| char mnemonic = findMnemonic (getText ()); |
| if (mnemonic == '\0') return false; |
| return Character.toUpperCase (key) == Character.toUpperCase (mnemonic); |
| } |
| /** |
| * Sets the receiver's text, which is the string that will |
| * be displayed as the receiver's <em>title</em>, to the argument, |
| * which may not be null. |
| * |
| * @param text the new text |
| * |
| * @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> |
| */ |
| public void setText (String string) { |
| checkWidget(); |
| if (string == null) error (SWT.ERROR_NULL_ARGUMENT); |
| int sHandle= 0; |
| try { |
| sHandle= OS.CFStringCreateWithCharacters(removeMnemonics(string)); |
| OS.SetControlTitleWithCFString(handle, sHandle); |
| } finally { |
| if (sHandle != 0) |
| OS.CFRelease(sHandle); |
| } |
| } |
| } |