bundles/org.eclipse.swt/Eclipse SWT/photon/org/eclipse/swt/widgets/MenuItem.java - platform/eclipse.platform.swt - Git at Google

 package org.eclipse.swt.widgets;

 /*
  * (c) Copyright IBM Corp. 2000, 2001.
  * All Rights Reserved
  */

 import org.eclipse.swt.internal.*;
 import org.eclipse.swt.internal.photon.*;
 import org.eclipse.swt.*;
 import org.eclipse.swt.graphics.*;
 import org.eclipse.swt.events.*;

 public class MenuItem extends Item {
 	Menu parent, menu;
 	int accelerator;

 public MenuItem (Menu parent, int style) {
 	this (parent, style, parent.getItemCount());
 }

 public MenuItem (Menu parent, int style, int index) {
 	super (parent, checkStyle (style));
 	this.parent = parent;
 	createWidget (index);
 }

 public void addArmListener (ArmListener listener) {
 	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
 	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
 	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
 	TypedListener typedListener = new TypedListener (listener);
 	addListener (SWT.Arm, typedListener);
 }

 public void addHelpListener (HelpListener listener) {
 	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
 	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
 	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
 	TypedListener typedListener = new TypedListener (listener);
 	addListener (SWT.Help, typedListener);
 }

 public void addSelectionListener (SelectionListener listener) {
 	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
 	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
 	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
 	TypedListener typedListener = new TypedListener(listener);
 	addListener (SWT.Selection,typedListener);
 	addListener (SWT.DefaultSelection,typedListener);
 }

 protected void checkSubclass () {
 	if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS);
 }

 static int checkStyle (int style) {
 	return checkBits (style, SWT.PUSH, SWT.CHECK, SWT.RADIO, SWT.SEPARATOR, SWT.CASCADE, 0);
 }

 void createHandle (int index) {
 	state |= HANDLE;
 	int count = parent.getItemCount();
 	if (!(0 <= index && index <= count)) error (SWT.ERROR_INVALID_RANGE);
 	int parentHandle = parent.handle;
 	if ((style & SWT.SEPARATOR) != 0) {
 		handle = OS.PtCreateWidget (OS.PtSeparator (), parentHandle, 0, null);
 	} else if ((style & (SWT.CHECK | SWT.RADIO)) != 0) {
 		int [] args = {
 			OS.Pt_ARG_INDICATOR_TYPE, (style & SWT.CHECK) != 0 ? OS.Pt_N_OF_MANY : OS.Pt_ONE_OF_MANY, 0
 		};
 		handle = OS.PtCreateWidget (OS.PtToggleButton (), parentHandle, args.length / 3, args);
 	} else {
 		handle = OS.PtCreateWidget (OS.PtMenuButton (), parentHandle, 0, null);
 	}
 	if (handle == 0) error (SWT.ERROR_NO_HANDLES);
 	if (index != count) {
 		int i = 0;
 		int child = OS.PtWidgetChildBack (parentHandle);
 		/*
 		* Feature in Photon.  Menu bars have an extra widget which
 		* is the parent of all menu items. PtValidParent() can not be
 		* used, since it does not return that widget.
 		*/
 		if (child != 0  && (parent.style & SWT.BAR) != 0) child = OS.PtWidgetChildBack (child);
 		while (i != index && child != 0) {
 			child = OS.PtWidgetBrotherInFront (child);
 			i++;
 		}
 		OS.PtWidgetInsert (topHandle (), child, 1);
 	}
 	if (OS.PtWidgetIsRealized (parentHandle)) {
 		OS.PtRealizeWidget (topHandle ());
 	}
 }

 public int getAccelerator () {
 	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
 	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
 	return accelerator;
 }

 public Display getDisplay () {
 	Menu parent = this.parent;
 	if (parent == null) error (SWT.ERROR_WIDGET_DISPOSED);
 	return parent.getDisplay ();
 }

 public boolean getEnabled () {
 	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
 	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
 	int [] args = {OS.Pt_ARG_FLAGS, 0, 0};
 	OS.PtGetResources (handle, args.length / 3, args);
 	return (args [1] & OS.Pt_BLOCKED) == 0;
 }

 public Menu getMenu () {
 	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
 	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
 	return menu;
 }

 String getNameText () {
 	if ((style & SWT.SEPARATOR) != 0) return "|";
 	return super.getNameText ();
 }

 public Menu getParent () {
 	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
 	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
 	return parent;
 }

 public boolean getSelection () {
 	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
 	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
 	if ((style & (SWT.CHECK | SWT.RADIO | SWT.TOGGLE)) == 0) return false;
 	int [] args = {OS.Pt_ARG_FLAGS, 0, 0};
 	OS.PtGetResources (handle, args.length / 3, args);
 	return (args [1] & OS.Pt_SET) != 0;
 }

 void hookEvents () {
 	if ((style & SWT.SEPARATOR) != 0) return;
 	int windowProc = getDisplay ().windowProc;
 	if ((style & SWT.CASCADE) != 0) {
 		OS.PtAddCallback (handle, OS.Pt_CB_ARM, windowProc, SWT.Show);
 	}
 	OS.PtAddCallback (handle, OS.Pt_CB_ACTIVATE, windowProc, SWT.Selection);
 }

 public boolean isEnabled () {
 	return getEnabled () && parent.isEnabled ();
 }

 int processActivate (int info) {
 	processShow (info);
 	return OS.Pt_CONTINUE;
 }

 int processSelection (int info) {
 	if ((style & SWT.CASCADE) != 0) {
 		int [] args = {OS.Pt_ARG_BUTTON_TYPE, 0, 0};
 		OS.PtGetResources (handle, args.length / 3, args);
 		if ((args [1] & (OS.Pt_MENU_RIGHT | OS.Pt_MENU_DOWN)) != 0) {
 			return OS.Pt_CONTINUE;
 		}
 	}
 	postEvent (SWT.Selection);
 	return OS.Pt_CONTINUE;
 }

 int processShow (int info) {
 	if (menu != null) {
 		int menuHandle = menu.handle;
 		OS.PtPositionMenu (menuHandle, null);
 		OS.PtRealizeWidget (menuHandle);
 	}
 	return OS.Pt_CONTINUE;
 }

 void releaseChild () {
 	super.releaseChild ();
 	if (menu != null) menu.dispose ();
 	menu = null;
 }

 void releaseWidget () {
 	if (menu != null && !menu.isDisposed ()) {
 		menu.releaseWidget ();
 		menu.releaseHandle ();
 	}
 	menu = null;
 	super.releaseWidget ();
 	if (accelerator != 0) removeAccelerator ();
 	accelerator = 0;
 	parent = null;
 }

 public void removeArmListener (ArmListener listener) {
 	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
 	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
 	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
 	if (eventTable == null) return;
 	eventTable.unhook (SWT.Arm, listener);
 }

 public void removeHelpListener (HelpListener listener) {
 	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
 	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
 	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
 	if (eventTable == null) return;
 	eventTable.unhook (SWT.Help, listener);
 }

 void removeAccelerator () {
 	if (accelerator == 0) return;

 	int keyMods = 0;
 	if ((accelerator & SWT.ALT) != 0) keyMods |= OS.Pk_KM_Alt;
 	if ((accelerator & SWT.SHIFT) != 0) keyMods |= OS.Pk_KM_Shift;
 	if ((accelerator & SWT.CONTROL) != 0) keyMods |= OS.Pk_KM_Ctrl;
 	int key = (accelerator & ~(SWT.ALT | SWT.SHIFT | SWT.CONTROL));
 	Display display = getDisplay ();
 	int keyCode = display.untranslateKey (key);
 	if (keyCode != 0) key = keyCode;
 	else key = Character.toLowerCase ((char)key);
 	Shell shell = parent.getShell ();
 	OS.PtRemoveHotkeyHandler(shell.shellHandle, key, keyMods, (short)0, handle, display.hotkeyProc);
 }

 public void removeSelectionListener (SelectionListener listener) {
 	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
 	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
 	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
 	if (eventTable == null) return;
 	eventTable.unhook (SWT.Selection, listener);
 	eventTable.unhook (SWT.DefaultSelection,listener);
 }

 public void setAccelerator (int accelerator) {
 	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
 	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);

 	removeAccelerator ();

 	this.accelerator = accelerator;
 	if (accelerator == 0) return;

 	int keyMods = 0;
 	if ((accelerator & SWT.ALT) != 0) keyMods |= OS.Pk_KM_Alt;
 	if ((accelerator & SWT.SHIFT) != 0) keyMods |= OS.Pk_KM_Shift;
 	if ((accelerator & SWT.CONTROL) != 0) keyMods |= OS.Pk_KM_Ctrl;
 	int key = (accelerator & ~(SWT.ALT | SWT.SHIFT | SWT.CONTROL));
 	Display display = getDisplay ();
 	int keyCode = display.untranslateKey (key);
 	if (keyCode != 0) key = keyCode;
 	else key = Character.toLowerCase ((char)key);
 	Shell shell = parent.getShell ();
 	OS.PtAddHotkeyHandler(shell.shellHandle, key, keyMods, (short)0, handle, display.hotkeyProc);
 }

 public void setEnabled (boolean enabled) {
 	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
 	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
 	int [] args = {
 		OS.Pt_ARG_FLAGS, enabled ? 0 : OS.Pt_BLOCKED, OS.Pt_BLOCKED,
 		OS.Pt_ARG_FLAGS, enabled ? 0 : OS.Pt_GHOST, OS.Pt_GHOST,
 	};
 	OS.PtSetResources (handle, args.length / 3, args);
 }

 public void setImage (Image image) {
 	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
 	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
 	if ((style & SWT.SEPARATOR) != 0) return;
 	super.setImage (image);

 	//NOT DONE - The OS has support
 }

 public void setMenu (Menu menu) {
 	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
 	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
 	if ((style & SWT.CASCADE) == 0) {
 		error (SWT.ERROR_MENUITEM_NOT_CASCADE);
 	}
 	if (menu != null) {
 		if ((menu.style & SWT.DROP_DOWN) == 0) {
 			error (SWT.ERROR_MENU_NOT_DROP_DOWN);
 		}
 		if (menu.parent != parent.parent) {
 			error (SWT.ERROR_INVALID_PARENT);
 		}
 	}
 	Menu oldMenu = this.menu;
 	if (oldMenu == menu) return;
 	this.menu = menu;
 	if (oldMenu != null) {
 		oldMenu.cascade = null;
 		int menuHandle = oldMenu.handle;
 		int shellHandle = oldMenu.parent.topHandle ();
 		if ((parent.style & SWT.BAR) == 0) {
 			int [] args = {OS.Pt_ARG_BUTTON_TYPE, OS.Pt_MENU_TEXT, 0};
 			OS.PtSetResources (handle, args.length / 3, args);
 			args = new int [] {OS.Pt_ARG_MENU_FLAGS, 0, OS.Pt_MENU_CHILD};
 			OS.PtSetResources (menuHandle, args.length / 3, args);
 		}
 		OS.PtReParentWidget (menuHandle, shellHandle);
 	}
 	if (menu != null) {
 		menu.cascade = this;
 		int menuHandle = menu.handle;
 		if ((parent.style & SWT.BAR) == 0) {
 			int [] args = {OS.Pt_ARG_BUTTON_TYPE, OS.Pt_MENU_RIGHT, 0};
 			OS.PtSetResources (handle, args.length / 3, args);
 			args = new int [] {OS.Pt_ARG_MENU_FLAGS, OS.Pt_MENU_CHILD, OS.Pt_MENU_CHILD};
 			OS.PtSetResources (menuHandle, args.length / 3, args);
 		}
 		OS.PtReParentWidget (menuHandle, handle);
 	}
 }

 public void setSelection (boolean selected) {
 	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
 	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
 	if ((style & (SWT.CHECK | SWT.RADIO | SWT.TOGGLE)) == 0) return;
 	int [] args = {OS.Pt_ARG_FLAGS, selected ? OS.Pt_SET : 0, OS.Pt_SET};
 	OS.PtSetResources (handle, args.length / 3, args);
 }

 public void setText (String string) {
 	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
 	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
 	if (string == null) error (SWT.ERROR_NULL_ARGUMENT);
 	super.setText (string);
 	char [] text = new char [string.length ()];
 	string.getChars (0, text.length, text, 0);
 	boolean accel = false;
 	int i=0, j=0;
 	char mnemonic=0;
 	while (i < text.length) {
 		if (text [i] == '\t') {accel = true; break;};
 		if ((text [j++] = text [i++]) == Mnemonic) {
 			if (i == text.length) {continue;}
 			if (text [i] == Mnemonic) {i++; continue;}
 			if (mnemonic == 0) mnemonic = text [i];
 			j--;
 		}
 	}
 	int keyMods = 0;
 	byte [] buffer2 = new byte [1];
 	if (accel && ++i < text.length) {
 		int start = i;
 //		while (i < text.length) {
 //			if (text [i] == '+') {
 //				String str = new String (text, start, i - start);
 //				if (str.equals ("Ctrl")) keyMods |= OS.Pk_KM_Ctrl;
 //				if (str.equals ("Shift")) keyMods |= OS.Pk_KM_Shift;
 //				if (str.equals ("Alt")) keyMods |= OS.Pk_KM_Alt;
 //				start = i + 1;
 //			}
 //			i++;
 //		}
 		if (start < text.length) {
 			char [] accelText = new char [text.length - start];
 			System.arraycopy (text, start, accelText, 0, accelText.length);
 			buffer2 = Converter.wcsToMbcs (null, accelText, true);
 		}
 	}
 	while (j < text.length) text [j++] = 0;
 	byte [] buffer1 = Converter.wcsToMbcs (null, text, true);
 	int ptr1 = OS.malloc (buffer1.length);
 	OS.memmove (ptr1, buffer1, buffer1.length);
 	int ptr2 = OS.malloc (buffer2.length);
 	OS.memmove (ptr2, buffer2, buffer2.length);
 	int ptr3 = 0;
 	if (mnemonic != 0) {
 		byte [] buffer3 = Converter.wcsToMbcs (null, new char []{mnemonic}, true);
 		ptr3 = OS.malloc (buffer3.length);
 		OS.memmove (ptr3, buffer3, buffer3.length);
 	}
 	if ((parent.style & SWT.BAR) != 0) {
 		replaceMnemonic (mnemonic, OS.Pk_KM_Alt);
 	}
 	int [] args = {
 		OS.Pt_ARG_TEXT_STRING, ptr1, 0,
 		OS.Pt_ARG_ACCEL_TEXT, ptr2, 0,
 		OS.Pt_ARG_MODIFIER_KEYS, keyMods, keyMods,
 		OS.Pt_ARG_ACCEL_KEY, ptr3, 0,
 	};
 	OS.PtSetResources (handle, args.length / 3, args);
 	OS.free (ptr1);
 	OS.free (ptr2);
 	OS.free (ptr3);
 	/*
 	* Bug on Photon.  When a the text is set on a menu
 	* item that is realized, the menu item does not resize
 	* to show the new text.  The fix is to force the item
 	* to recalculate the size.
 	*/
 	if (OS.PtWidgetIsRealized (handle)) OS.PtExtentWidget (handle);
 }

 }
	package org.eclipse.swt.widgets;

	/*
	* (c) Copyright IBM Corp. 2000, 2001.
	* All Rights Reserved
	*/

	import org.eclipse.swt.internal.*;
	import org.eclipse.swt.internal.photon.*;
	import org.eclipse.swt.*;
	import org.eclipse.swt.graphics.*;
	import org.eclipse.swt.events.*;

	public class MenuItem extends Item {
	Menu parent, menu;
	int accelerator;

	public MenuItem (Menu parent, int style) {
	this (parent, style, parent.getItemCount());
	}

	public MenuItem (Menu parent, int style, int index) {
	super (parent, checkStyle (style));
	this.parent = parent;
	createWidget (index);
	}

	public void addArmListener (ArmListener listener) {
	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
	TypedListener typedListener = new TypedListener (listener);
	addListener (SWT.Arm, typedListener);
	}

	public void addHelpListener (HelpListener listener) {
	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
	TypedListener typedListener = new TypedListener (listener);
	addListener (SWT.Help, typedListener);
	}

	public void addSelectionListener (SelectionListener listener) {
	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
	TypedListener typedListener = new TypedListener(listener);
	addListener (SWT.Selection,typedListener);
	addListener (SWT.DefaultSelection,typedListener);
	}

	protected void checkSubclass () {
	if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS);
	}

	static int checkStyle (int style) {
	return checkBits (style, SWT.PUSH, SWT.CHECK, SWT.RADIO, SWT.SEPARATOR, SWT.CASCADE, 0);
	}

	void createHandle (int index) {
	state \|= HANDLE;
	int count = parent.getItemCount();
	if (!(0 <= index && index <= count)) error (SWT.ERROR_INVALID_RANGE);
	int parentHandle = parent.handle;
	if ((style & SWT.SEPARATOR) != 0) {
	handle = OS.PtCreateWidget (OS.PtSeparator (), parentHandle, 0, null);
	} else if ((style & (SWT.CHECK \| SWT.RADIO)) != 0) {
	int [] args = {
	OS.Pt_ARG_INDICATOR_TYPE, (style & SWT.CHECK) != 0 ? OS.Pt_N_OF_MANY : OS.Pt_ONE_OF_MANY, 0
	};
	handle = OS.PtCreateWidget (OS.PtToggleButton (), parentHandle, args.length / 3, args);
	} else {
	handle = OS.PtCreateWidget (OS.PtMenuButton (), parentHandle, 0, null);
	}
	if (handle == 0) error (SWT.ERROR_NO_HANDLES);
	if (index != count) {
	int i = 0;
	int child = OS.PtWidgetChildBack (parentHandle);
	/*
	* Feature in Photon. Menu bars have an extra widget which
	* is the parent of all menu items. PtValidParent() can not be
	* used, since it does not return that widget.
	*/
	if (child != 0 && (parent.style & SWT.BAR) != 0) child = OS.PtWidgetChildBack (child);
	while (i != index && child != 0) {
	child = OS.PtWidgetBrotherInFront (child);
	i++;
	}
	OS.PtWidgetInsert (topHandle (), child, 1);
	}
	if (OS.PtWidgetIsRealized (parentHandle)) {
	OS.PtRealizeWidget (topHandle ());
	}
	}

	public int getAccelerator () {
	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
	return accelerator;
	}

	public Display getDisplay () {
	Menu parent = this.parent;
	if (parent == null) error (SWT.ERROR_WIDGET_DISPOSED);
	return parent.getDisplay ();
	}

	public boolean getEnabled () {
	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
	int [] args = {OS.Pt_ARG_FLAGS, 0, 0};
	OS.PtGetResources (handle, args.length / 3, args);
	return (args [1] & OS.Pt_BLOCKED) == 0;
	}

	public Menu getMenu () {
	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
	return menu;
	}

	String getNameText () {
	if ((style & SWT.SEPARATOR) != 0) return "\|";
	return super.getNameText ();
	}

	public Menu getParent () {
	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
	return parent;
	}

	public boolean getSelection () {
	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
	if ((style & (SWT.CHECK \| SWT.RADIO \| SWT.TOGGLE)) == 0) return false;
	int [] args = {OS.Pt_ARG_FLAGS, 0, 0};
	OS.PtGetResources (handle, args.length / 3, args);
	return (args [1] & OS.Pt_SET) != 0;
	}

	void hookEvents () {
	if ((style & SWT.SEPARATOR) != 0) return;
	int windowProc = getDisplay ().windowProc;
	if ((style & SWT.CASCADE) != 0) {
	OS.PtAddCallback (handle, OS.Pt_CB_ARM, windowProc, SWT.Show);
	}
	OS.PtAddCallback (handle, OS.Pt_CB_ACTIVATE, windowProc, SWT.Selection);
	}

	public boolean isEnabled () {
	return getEnabled () && parent.isEnabled ();
	}

	int processActivate (int info) {
	processShow (info);
	return OS.Pt_CONTINUE;
	}

	int processSelection (int info) {
	if ((style & SWT.CASCADE) != 0) {
	int [] args = {OS.Pt_ARG_BUTTON_TYPE, 0, 0};
	OS.PtGetResources (handle, args.length / 3, args);
	if ((args [1] & (OS.Pt_MENU_RIGHT \| OS.Pt_MENU_DOWN)) != 0) {
	return OS.Pt_CONTINUE;
	}
	}
	postEvent (SWT.Selection);
	return OS.Pt_CONTINUE;
	}

	int processShow (int info) {
	if (menu != null) {
	int menuHandle = menu.handle;
	OS.PtPositionMenu (menuHandle, null);
	OS.PtRealizeWidget (menuHandle);
	}
	return OS.Pt_CONTINUE;
	}

	void releaseChild () {
	super.releaseChild ();
	if (menu != null) menu.dispose ();
	menu = null;
	}

	void releaseWidget () {
	if (menu != null && !menu.isDisposed ()) {
	menu.releaseWidget ();
	menu.releaseHandle ();
	}
	menu = null;
	super.releaseWidget ();
	if (accelerator != 0) removeAccelerator ();
	accelerator = 0;
	parent = null;
	}

	public void removeArmListener (ArmListener listener) {
	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
	if (eventTable == null) return;
	eventTable.unhook (SWT.Arm, listener);
	}

	public void removeHelpListener (HelpListener listener) {
	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
	if (eventTable == null) return;
	eventTable.unhook (SWT.Help, listener);
	}

	void removeAccelerator () {
	if (accelerator == 0) return;

	int keyMods = 0;
	if ((accelerator & SWT.ALT) != 0) keyMods \|= OS.Pk_KM_Alt;
	if ((accelerator & SWT.SHIFT) != 0) keyMods \|= OS.Pk_KM_Shift;
	if ((accelerator & SWT.CONTROL) != 0) keyMods \|= OS.Pk_KM_Ctrl;
	int key = (accelerator & ~(SWT.ALT \| SWT.SHIFT \| SWT.CONTROL));
	Display display = getDisplay ();
	int keyCode = display.untranslateKey (key);
	if (keyCode != 0) key = keyCode;
	else key = Character.toLowerCase ((char)key);
	Shell shell = parent.getShell ();
	OS.PtRemoveHotkeyHandler(shell.shellHandle, key, keyMods, (short)0, handle, display.hotkeyProc);
	}

	public void removeSelectionListener (SelectionListener listener) {
	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
	if (eventTable == null) return;
	eventTable.unhook (SWT.Selection, listener);
	eventTable.unhook (SWT.DefaultSelection,listener);
	}

	public void setAccelerator (int accelerator) {
	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);

	removeAccelerator ();

	this.accelerator = accelerator;
	if (accelerator == 0) return;

	int keyMods = 0;
	if ((accelerator & SWT.ALT) != 0) keyMods \|= OS.Pk_KM_Alt;
	if ((accelerator & SWT.SHIFT) != 0) keyMods \|= OS.Pk_KM_Shift;
	if ((accelerator & SWT.CONTROL) != 0) keyMods \|= OS.Pk_KM_Ctrl;
	int key = (accelerator & ~(SWT.ALT \| SWT.SHIFT \| SWT.CONTROL));
	Display display = getDisplay ();
	int keyCode = display.untranslateKey (key);
	if (keyCode != 0) key = keyCode;
	else key = Character.toLowerCase ((char)key);
	Shell shell = parent.getShell ();
	OS.PtAddHotkeyHandler(shell.shellHandle, key, keyMods, (short)0, handle, display.hotkeyProc);
	}

	public void setEnabled (boolean enabled) {
	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
	int [] args = {
	OS.Pt_ARG_FLAGS, enabled ? 0 : OS.Pt_BLOCKED, OS.Pt_BLOCKED,
	OS.Pt_ARG_FLAGS, enabled ? 0 : OS.Pt_GHOST, OS.Pt_GHOST,
	};
	OS.PtSetResources (handle, args.length / 3, args);
	}

	public void setImage (Image image) {
	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
	if ((style & SWT.SEPARATOR) != 0) return;
	super.setImage (image);

	//NOT DONE - The OS has support
	}

	public void setMenu (Menu menu) {
	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
	if ((style & SWT.CASCADE) == 0) {
	error (SWT.ERROR_MENUITEM_NOT_CASCADE);
	}
	if (menu != null) {
	if ((menu.style & SWT.DROP_DOWN) == 0) {
	error (SWT.ERROR_MENU_NOT_DROP_DOWN);
	}
	if (menu.parent != parent.parent) {
	error (SWT.ERROR_INVALID_PARENT);
	}
	}
	Menu oldMenu = this.menu;
	if (oldMenu == menu) return;
	this.menu = menu;
	if (oldMenu != null) {
	oldMenu.cascade = null;
	int menuHandle = oldMenu.handle;
	int shellHandle = oldMenu.parent.topHandle ();
	if ((parent.style & SWT.BAR) == 0) {
	int [] args = {OS.Pt_ARG_BUTTON_TYPE, OS.Pt_MENU_TEXT, 0};
	OS.PtSetResources (handle, args.length / 3, args);
	args = new int [] {OS.Pt_ARG_MENU_FLAGS, 0, OS.Pt_MENU_CHILD};
	OS.PtSetResources (menuHandle, args.length / 3, args);
	}
	OS.PtReParentWidget (menuHandle, shellHandle);
	}
	if (menu != null) {
	menu.cascade = this;
	int menuHandle = menu.handle;
	if ((parent.style & SWT.BAR) == 0) {
	int [] args = {OS.Pt_ARG_BUTTON_TYPE, OS.Pt_MENU_RIGHT, 0};
	OS.PtSetResources (handle, args.length / 3, args);
	args = new int [] {OS.Pt_ARG_MENU_FLAGS, OS.Pt_MENU_CHILD, OS.Pt_MENU_CHILD};
	OS.PtSetResources (menuHandle, args.length / 3, args);
	}
	OS.PtReParentWidget (menuHandle, handle);
	}
	}

	public void setSelection (boolean selected) {
	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
	if ((style & (SWT.CHECK \| SWT.RADIO \| SWT.TOGGLE)) == 0) return;
	int [] args = {OS.Pt_ARG_FLAGS, selected ? OS.Pt_SET : 0, OS.Pt_SET};
	OS.PtSetResources (handle, args.length / 3, args);
	}

	public void setText (String string) {
	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
	if (string == null) error (SWT.ERROR_NULL_ARGUMENT);
	super.setText (string);
	char [] text = new char [string.length ()];
	string.getChars (0, text.length, text, 0);
	boolean accel = false;
	int i=0, j=0;
	char mnemonic=0;
	while (i < text.length) {
	if (text [i] == '\t') {accel = true; break;};
	if ((text [j++] = text [i++]) == Mnemonic) {
	if (i == text.length) {continue;}
	if (text [i] == Mnemonic) {i++; continue;}
	if (mnemonic == 0) mnemonic = text [i];
	j--;
	}
	}
	int keyMods = 0;
	byte [] buffer2 = new byte [1];
	if (accel && ++i < text.length) {
	int start = i;
	// while (i < text.length) {
	// if (text [i] == '+') {
	// String str = new String (text, start, i - start);
	// if (str.equals ("Ctrl")) keyMods \|= OS.Pk_KM_Ctrl;
	// if (str.equals ("Shift")) keyMods \|= OS.Pk_KM_Shift;
	// if (str.equals ("Alt")) keyMods \|= OS.Pk_KM_Alt;
	// start = i + 1;
	// }
	// i++;
	// }
	if (start < text.length) {
	char [] accelText = new char [text.length - start];
	System.arraycopy (text, start, accelText, 0, accelText.length);
	buffer2 = Converter.wcsToMbcs (null, accelText, true);
	}
	}
	while (j < text.length) text [j++] = 0;
	byte [] buffer1 = Converter.wcsToMbcs (null, text, true);
	int ptr1 = OS.malloc (buffer1.length);
	OS.memmove (ptr1, buffer1, buffer1.length);
	int ptr2 = OS.malloc (buffer2.length);
	OS.memmove (ptr2, buffer2, buffer2.length);
	int ptr3 = 0;
	if (mnemonic != 0) {
	byte [] buffer3 = Converter.wcsToMbcs (null, new char []{mnemonic}, true);
	ptr3 = OS.malloc (buffer3.length);
	OS.memmove (ptr3, buffer3, buffer3.length);
	}
	if ((parent.style & SWT.BAR) != 0) {
	replaceMnemonic (mnemonic, OS.Pk_KM_Alt);
	}
	int [] args = {
	OS.Pt_ARG_TEXT_STRING, ptr1, 0,
	OS.Pt_ARG_ACCEL_TEXT, ptr2, 0,
	OS.Pt_ARG_MODIFIER_KEYS, keyMods, keyMods,
	OS.Pt_ARG_ACCEL_KEY, ptr3, 0,
	};
	OS.PtSetResources (handle, args.length / 3, args);
	OS.free (ptr1);
	OS.free (ptr2);
	OS.free (ptr3);
	/*
	* Bug on Photon. When a the text is set on a menu
	* item that is realized, the menu item does not resize
	* to show the new text. The fix is to force the item
	* to recalculate the size.
	*/
	if (OS.PtWidgetIsRealized (handle)) OS.PtExtentWidget (handle);
	}

	}