bundles/org.eclipse.swt/Eclipse SWT/carbon/org/eclipse/swt/widgets/Shell.java - platform/eclipse.platform.swt - Git at Google

 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.carbon.OS;
 import org.eclipse.swt.internal.carbon.Rect;

 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.*;
 import org.eclipse.swt.graphics.*;

 public class Shell extends Decorations {
 	Display display;
 	int shellHandle, windowGroup;
 	boolean resized;
 	Control lastActive;

 public Shell () {
 	this ((Display) null);
 }

 public Shell (int style) {
 	this ((Display) null, style);
 }

 public Shell (Display display) {
 	this (display, SWT.SHELL_TRIM);
 }

 public Shell (Display display, int style) {
 	this (display, null, style, 0);
 }

 Shell (Display display, Shell parent, int style, int handle) {
 	super ();
 	checkSubclass ();
 	if (display == null) display = Display.getCurrent ();
 	if (display == null) display = Display.getDefault ();
 	if (!display.isValidThread ()) {
 		error (SWT.ERROR_THREAD_INVALID_ACCESS);
 	}
 	this.style = checkStyle (style);
 	this.parent = parent;
 	this.display = display;
 	this.handle = handle;
 	createWidget ();
 }

 public Shell (Shell parent) {
 	this (parent, SWT.DIALOG_TRIM);
 }

 public Shell (Shell parent, int style) {
 	this (parent != null ? parent.getDisplay () : null, parent, style, 0);
 }

 static int checkStyle (int style) {
 	style = Decorations.checkStyle (style);
 	int mask = SWT.SYSTEM_MODAL | SWT.APPLICATION_MODAL | SWT.PRIMARY_MODAL;
 	int bits = style & ~mask;
 	if ((style & SWT.SYSTEM_MODAL) != 0) return bits | SWT.SYSTEM_MODAL;
 	if ((style & SWT.APPLICATION_MODAL) != 0) return bits | SWT.APPLICATION_MODAL;
 	if ((style & SWT.PRIMARY_MODAL) != 0) return bits | SWT.PRIMARY_MODAL;
 	return bits;
 }

 public void addShellListener(ShellListener listener) {
 	checkWidget();
 	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
 	TypedListener typedListener = new TypedListener (listener);
 	addListener(SWT.Activate,typedListener);
 	addListener(SWT.Close,typedListener);
 	addListener(SWT.Deactivate,typedListener);
 	addListener(SWT.Iconify,typedListener);
 	addListener(SWT.Deiconify,typedListener);
 }

 void bringToTop () {
 	OS.SelectWindow (shellHandle);
 }

 public void close () {
 	checkWidget();
 	closeWidget ();
 }

 void closeWidget () {
 	Event event = new Event ();
 	sendEvent (SWT.Close, event);
 	if (event.doit && !isDisposed ()) dispose ();
 }

 public Rectangle computeTrim (int x, int y, int width, int height) {
 	checkWidget();
 	Rectangle trim = super.computeTrim (x, y, width, height);
 	Rect rect = new Rect ();
 	OS.GetWindowStructureWidths (shellHandle, rect);
 	trim.x -= rect.left;
 	trim.y -= rect.top;
 	trim.width += rect.left + rect.right;
 	trim.height += rect.top + rect.bottom;
 	return trim;
 }

 void createHandle () {
 	state |= CANVAS | GRAB | HIDDEN;
 	int attributes = OS.kWindowStandardHandlerAttribute; // | OS.kWindowCompositingAttribute;
 	if ((style & SWT.NO_TRIM) == 0) {
 		if ((style & SWT.CLOSE) != 0) attributes |= OS.kWindowCloseBoxAttribute;
 		if ((style & SWT.MIN) != 0) attributes |= OS.kWindowCollapseBoxAttribute;
 		if ((style & SWT.MAX) != 0) attributes |= OS.kWindowFullZoomAttribute;
 		if ((style & SWT.RESIZE) != 0) {
 			attributes |= OS.kWindowResizableAttribute | OS.kWindowLiveResizeAttribute;
 		}
 	}
 	int windowClass = OS.kDocumentWindowClass;
 	if ((style & (SWT.CLOSE | SWT.TITLE)) == 0) windowClass = OS.kSheetWindowClass;
 //	int windowClass = parent == null ? OS.kDocumentWindowClass : OS.kSheetWindowClass;
 //	if ((style & SWT.APPLICATION_MODAL) != 0) windowClass = OS.kMovableModalWindowClass;
 //	if ((style & SWT.SYSTEM_MODAL) != 0) windowClass = OS.kModalWindowClass;
 	Rect rect = new Rect ();
 	OS.GetAvailableWindowPositioningBounds (OS.GetMainDevice (), rect);
 	int width = (rect.right - rect.left) * 5 / 8;
 	int height = (rect.bottom - rect.top) * 5 / 8;
 	OS.SetRect (rect, (short) 0, (short) 0, (short) width, (short) height);
 	int [] outWindow = new int [1];
 	attributes &= OS.GetAvailableWindowAttributes (windowClass);
 	OS.CreateNewWindow (windowClass, attributes, rect, outWindow);
 	if (outWindow [0] == 0) error (SWT.ERROR_NO_HANDLES);
 	shellHandle = outWindow [0];
 	if ((style & SWT.ON_TOP) != 0) {
 		OS.SetWindowActivationScope (shellHandle, OS.kWindowActivationScopeNone);
 	}
 	OS.RepositionWindow (shellHandle, 0, OS.kWindowCascadeOnMainScreen);
 	OS.SetThemeWindowBackground (shellHandle, (short) OS.kThemeBrushDialogBackgroundActive, false);
 	int [] theRoot = new int [1];
 	OS.CreateRootControl (shellHandle, theRoot);
 	OS.GetRootControl (shellHandle, theRoot);
 	if (theRoot [0] == 0) error (SWT.ERROR_NO_HANDLES);
 	if ((style & (SWT.H_SCROLL | SWT.V_SCROLL)) != 0) {
 		createScrolledHandle (theRoot [0]);
 	} else {
 		createHandle (theRoot [0]);
 	}
 	OS.HIViewSetVisible (topHandle (), false);
 	int [] outGroup = new int [1];
 	OS.CreateWindowGroup (OS.kWindowGroupAttrHideOnCollapse, outGroup);
 	if (outGroup [0] == 0) error (SWT.ERROR_NO_HANDLES);
 	windowGroup = outGroup [0];
 	if (parent != null) {
 		Shell shell = parent.getShell ();
 		int parentGroup = shell.windowGroup;
 		OS.SetWindowGroup (shellHandle, parentGroup);
 		OS.SetWindowGroupParent (windowGroup, parentGroup);
 	} else {
 		int parentGroup = OS.GetWindowGroupOfClass (windowClass);
 		OS.SetWindowGroupParent (windowGroup, parentGroup);
 	}
 	OS.SetWindowGroupOwner (windowGroup, shellHandle);
 }

 void createWidget () {
 	super.createWidget ();
 	layoutControl ();
 }

 void deregister () {
 	super.deregister ();
 	int [] theRoot = new int [1];
 	OS.GetRootControl (shellHandle, theRoot);
 	WidgetTable.remove (theRoot [0]);
 }

 void destroyWidget () {
 	int theWindow = shellHandle;
 //	OS.HideWindow (shellHandle);
 	releaseHandle ();
 	if (theWindow != 0) OS.DisposeWindow (theWindow);
 }

 Cursor findCursor () {
 	return cursor;
 }

 public void forceActive () {
 	checkWidget ();
 	OS.SetFrontProcess (new int [] {0, OS.kCurrentProcess});
 	OS.SelectWindow (shellHandle);
 }

 public Rectangle getClientArea () {
 	checkWidget();
 	Rect rect = new Rect ();
 	OS.GetWindowBounds (shellHandle, (short) OS.kWindowContentRgn, rect);
 	return new Rectangle (0, 0, rect.right - rect.left, rect.bottom - rect.top);
 }

 public Rectangle getBounds () {
 	checkWidget();
 	Rect rect = new Rect ();
 	OS.GetWindowBounds (shellHandle, (short) OS.kWindowStructureRgn, rect);
 	return new Rectangle (rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top);
 }

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

 int getDrawCount () {
 	return drawCount;
 }

 public int getImeInputMode () {
 	checkWidget();
 	return SWT.NONE;
 }

 public Point getLocation () {
 	checkWidget();
 	Rect rect = new Rect ();
 	OS.GetWindowBounds (shellHandle, (short) OS.kWindowStructureRgn, rect);
 	return new Point (rect.left, rect.top);
 }

 public boolean getMaximized () {
 	checkWidget();
 	//NOT DONE
 	return super.getMaximized ();
 }

 public boolean getMinimized () {
 	checkWidget();
 	return OS.IsWindowCollapsed (shellHandle);
 }

 public Shell getShell () {
 	checkWidget();
 	return this;
 }

 public Shell [] getShells () {
 	checkWidget();
 	int count = 0;
 	Shell [] shells = display.getShells ();
 	for (int i=0; i<shells.length; i++) {
 		Control shell = shells [i];
 		do {
 			shell = shell.parent;
 		} while (shell != null && shell != this);
 		if (shell == this) count++;
 	}
 	int index = 0;
 	Shell [] result = new Shell [count];
 	for (int i=0; i<shells.length; i++) {
 		Control shell = shells [i];
 		do {
 			shell = shell.parent;
 		} while (shell != null && shell != this);
 		if (shell == this) {
 			result [index++] = shells [i];
 		}
 	}
 	return result;
 }

 public Point getSize () {
 	checkWidget();
 	Rect rect = new Rect ();
 	OS.GetWindowBounds (shellHandle, (short) OS.kWindowStructureRgn, rect);
 	return new Point (rect.right - rect.left, rect.bottom - rect.top);
 }

 public boolean getVisible () {
 	checkWidget();
     return OS.IsWindowVisible (shellHandle);
 }

 boolean hasBorder () {
 	return false;
 }

 void hookEvents () {
 	super.hookEvents ();
 	int mouseProc = display.mouseProc;
 	int windowProc = display.windowProc;
 	int[] mask1 = new int [] {
 		OS.kEventClassWindow, OS.kEventWindowActivated,
 		OS.kEventClassWindow, OS.kEventWindowBoundsChanged,
 		OS.kEventClassWindow, OS.kEventWindowClose,
 		OS.kEventClassWindow, OS.kEventWindowCollapsed,
 		OS.kEventClassWindow, OS.kEventWindowDeactivated,
 		OS.kEventClassWindow, OS.kEventWindowExpanded,
 		OS.kEventClassWindow, OS.kEventWindowHidden,
 		OS.kEventClassWindow, OS.kEventWindowShown,
 	};
 	int windowTarget = OS.GetWindowEventTarget (shellHandle);
 	OS.InstallEventHandler (windowTarget, windowProc, mask1.length / 2, mask1, shellHandle, null);
 	int [] mask2 = new int [] {
 		OS.kEventClassMouse, OS.kEventMouseDown,
 		OS.kEventClassMouse, OS.kEventMouseDragged,
 //		OS.kEventClassMouse, OS.kEventMouseEntered,
 //		OS.kEventClassMouse, OS.kEventMouseExited,
 		OS.kEventClassMouse, OS.kEventMouseMoved,
 		OS.kEventClassMouse, OS.kEventMouseUp,
 		OS.kEventClassMouse, OS.kEventMouseWheelMoved,
 	};
 	OS.InstallEventHandler (windowTarget, mouseProc, mask2.length / 2, mask2, shellHandle, null);
 }

 public boolean isEnabled () {
 	checkWidget();
 	return getEnabled ();
 }

 public boolean isVisible () {
 	checkWidget();
 	return getVisible ();
 }

 int kEventWindowActivated (int nextHandler, int theEvent, int userData) {
 	int result = super.kEventWindowActivated (nextHandler, theEvent, userData);
 	if (result == OS.noErr) return result;
 	/*
 	* Bug in the Macintosh.  Despite the that a window has scope
 	* kWindowActivationScopeNone, it gets kEventWindowActivated
 	* events but does not get kEventWindowDeactivated events.  The
 	* fix is to ignore kEventWindowActivated events.
 	*/
 	int [] outScope = new int [1];
 	OS.GetWindowActivationScope (shellHandle, outScope);
 	if (outScope [0] == OS.kWindowActivationScopeNone) return result;
 	Display display = getDisplay ();
 	display.setMenuBar (menuBar);
 	sendEvent (SWT.Activate);
 	restoreFocus ();
 	return result;
 }

 int kEventWindowBoundsChanged (int nextHandler, int theEvent, int userData) {
 	int result = super.kEventWindowBoundsChanged (nextHandler, theEvent, userData);
 	if (result == OS.noErr) return result;
 	int [] attributes = new int [1];
 	OS.GetEventParameter (theEvent, OS.kEventParamAttributes, OS.typeUInt32, null, attributes.length * 4, null, attributes);
 	if ((attributes [0] & OS.kWindowBoundsChangeOriginChanged) != 0) {
 		sendEvent (SWT.Move);
 	}
 	if ((attributes [0] & OS.kWindowBoundsChangeSizeChanged) != 0) {
 		resized = true;
 		layoutControl ();
 		sendEvent (SWT.Resize);
 		if (layout != null) layout.layout (this, false);
 	}
 	return result;
 }

 int kEventWindowClose (int nextHandler, int theEvent, int userData) {
 	int result = super.kEventWindowClose (nextHandler, theEvent, userData);
 	if (result == OS.noErr) return result;
 	closeWidget ();
 	return OS.noErr;
 }

 int kEventWindowCollapsed (int nextHandler, int theEvent, int userData) {
 	int result = super.kEventWindowCollapsed (nextHandler, theEvent, userData);
 	if (result == OS.noErr) return result;
 	sendEvent (SWT.Iconify);
 	return result;
 }

 int kEventWindowDeactivated (int nextHandler, int theEvent, int userData) {
 	int result = super.kEventWindowDeactivated (nextHandler, theEvent, userData);
 	if (result == OS.noErr) return result;
 	sendEvent (SWT.Deactivate);
 	saveFocus ();
 	if (savedFocus != null) {
 		/*
 		* Bug in the Macintosh.  When ClearKeyboardFocus() is called,
 		* the control that has focus gets two kEventControlSetFocus
 		* events indicating that focus was lost.  The fix is to ignore
 		* both of these and send the focus lost event explicitly.
		*/
 		display.ignoreFocus = true;
 		OS.ClearKeyboardFocus (shellHandle);
 		display.ignoreFocus = false;
 		if (!savedFocus.isDisposed ()) savedFocus.sendFocusEvent (false);
 	}
 	Display display = getDisplay ();
 	display.setMenuBar (null);
 	return result;
 }

 int kEventWindowExpanded (int nextHandler, int theEvent, int userData) {
 	int result = super.kEventWindowExpanded (nextHandler, theEvent, userData);
 	if (result == OS.noErr) return result;
 	sendEvent (SWT.Deiconify);
 	return result;
 }

 int kEventWindowHidden (int nextHandler, int theEvent, int userData) {
 	int result = super.kEventWindowHidden (nextHandler, theEvent, userData);
 	if (result == OS.noErr) return result;
 	Shell [] shells = getShells ();
 	for (int i=0; i<shells.length; i++) {
 		Shell shell = shells [i];
 		if (!shell.isDisposed ()) shell.setWindowVisible (false);
 	}
 	return OS.eventNotHandledErr;
 }

 int kEventWindowShown (int nextHandler, int theEvent, int userData) {
 	int result = super.kEventWindowShown (nextHandler, theEvent, userData);
 	if (result == OS.noErr) return result;
 	Shell [] shells = getShells ();
 	for (int i=0; i<shells.length; i++) {
 		Shell shell = shells [i];
 		if (!shell.isDisposed () && shell.getVisible ()) {
 			shell.setWindowVisible (true);
 		}
 	}
 	return OS.eventNotHandledErr;
 }

 void layoutControl () {
 	Rect rect = new Rect ();
 	OS.GetWindowBounds (shellHandle, (short)  OS.kWindowContentRgn, rect);
 	int control = scrolledHandle != 0 ? scrolledHandle : handle;
 	setBounds (control, 0, 0, rect.right - rect.left, rect.bottom - rect.top, false, true, false);
 	super.layoutControl ();
 }

 public void open () {
 	checkWidget();
 	OS.SelectWindow (shellHandle);
 	setVisible (true);
 	if (!restoreFocus ()) traverseGroup (true);
 }

 void register () {
 	super.register ();
 	int [] theRoot = new int [1];
 	OS.GetRootControl (shellHandle, theRoot);
 	WidgetTable.put (theRoot [0], this);
 }

 void releaseHandle () {
 	super.releaseHandle ();
 	shellHandle = 0;
 }

 void releaseShells () {
 	Shell [] shells = getShells ();
 	for (int i=0; i<shells.length; i++) {
 		Shell shell = shells [i];
 		if (!shell.isDisposed ()) shell.dispose ();
 	}
 }

 void releaseWidget () {
 	releaseShells ();
 	super.releaseWidget ();
 	if (windowGroup != 0) OS.ReleaseWindowGroup (windowGroup);
 	windowGroup = 0;
 	lastActive = null;
 }

 public void removeShellListener(ShellListener listener) {
 	checkWidget();
 	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
 	if (eventTable == null) return;
 	eventTable.unhook(SWT.Activate, listener);
 	eventTable.unhook(SWT.Close, listener);
 	eventTable.unhook(SWT.Deactivate, listener);
 	eventTable.unhook(SWT.Iconify,listener);
 	eventTable.unhook(SWT.Deiconify,listener);
 }

 public void setActive () {
 	checkWidget ();
 	OS.SelectWindow (shellHandle);
 }

 void setActiveControl (Control control) {
 	if (control != null && control.isDisposed ()) control = null;
 	if (lastActive != null && lastActive.isDisposed ()) lastActive = null;
 	if (lastActive == control) return;

 	/*
 	* Compute the list of controls to be activated and
 	* deactivated by finding the first common parent
 	* control.
 	*/
 	Control [] activate = (control == null) ? new Control[0] : control.getPath ();
 	Control [] deactivate = (lastActive == null) ? new Control[0] : lastActive.getPath ();
 	lastActive = control;
 	int index = 0, length = Math.min (activate.length, deactivate.length);
 	while (index < length) {
 		if (activate [index] != deactivate [index]) break;
 		index++;
 	}

 	/*
 	* It is possible (but unlikely), that application
 	* code could have destroyed some of the widgets. If
 	* this happens, keep processing those widgets that
 	* are not disposed.
 	*/
 	for (int i=deactivate.length-1; i>=index; --i) {
 		if (!deactivate [i].isDisposed ()) {
 			deactivate [i].sendEvent (SWT.Deactivate);
 		}
 	}
 	for (int i=activate.length-1; i>=index; --i) {
 		if (!activate [i].isDisposed ()) {
 			activate [i].sendEvent (SWT.Activate);
 		}
 	}
 }

 public void setBounds (int x, int y, int width, int height) {
 	checkWidget ();
 	width = Math.max (0, width);
 	height = Math.max (0, height);
 	Rect rect = new Rect ();
 	OS.SetRect (rect, (short) x, (short) y, (short) (x + width), (short) (y + height));
 	OS.SetWindowBounds (shellHandle, (short) OS.kWindowStructureRgn, rect);
 }

 public void setMenuBar (Menu menu) {
 	checkWidget();
 	super.setMenuBar (menu);
 	Display display = getDisplay ();
 	if (display.getActiveShell () == this) {
 		display.setMenuBar (menuBar);
 	}
 }

 public void setImeInputMode (int mode) {
 	checkWidget();
 }

 public void setLocation (int x, int y) {
 	checkWidget();
 	Rect rect = new Rect ();
 	OS.GetWindowBounds (shellHandle, (short) OS.kWindowStructureRgn, rect);
 	int width = rect.right - rect.left;
 	int height = rect.bottom - rect.top;
 	OS.SetRect (rect, (short) x, (short) y, (short) (x + width), (short) (y + height));
 	OS.SetWindowBounds (shellHandle, (short) OS.kWindowStructureRgn, rect);
 }

 public void setMaximized (boolean maximized) {
 	checkWidget();
 	super.setMaximized (maximized);
 	org.eclipse.swt.internal.carbon.Point pt = new org.eclipse.swt.internal.carbon.Point ();
 	short inPartCode = (short) (maximized ? OS.inZoomOut : OS.inZoomIn);
 	//FIXME - returns -50 errParam
 	OS.ZoomWindowIdeal (shellHandle, inPartCode, pt);
 }

 public void setMinimized (boolean minimized) {
 	checkWidget();
 	super.setMinimized (minimized);
 	OS.CollapseWindow (shellHandle, true);
 }

 public void setSize (int width, int height) {
 	checkWidget();
 	width = Math.max (0, width);
 	height = Math.max (0, height);
 	Rect rect = new Rect ();
 	OS.GetWindowBounds (shellHandle, (short) OS.kWindowStructureRgn, rect);
 	OS.SetRect (rect, rect.left, rect.top, (short)(rect.left + width), (short)(rect.top + height));
 	OS.SetWindowBounds (shellHandle, (short) OS.kWindowStructureRgn, rect);
 }

 public void setText (String string) {
 	checkWidget();
 	if (string == null) error (SWT.ERROR_NULL_ARGUMENT);
 	super.setText (string);
 	char [] buffer = new char [string.length ()];
 	string.getChars (0, buffer.length, buffer, 0);
 	int ptr = OS.CFStringCreateWithCharacters (OS.kCFAllocatorDefault, buffer, buffer.length);
 	if (ptr == 0) error (SWT.ERROR_CANNOT_SET_TEXT);
 	OS.SetWindowTitleWithCFString (shellHandle, ptr);
 	OS.CFRelease (ptr);
 }

 public void setVisible (boolean visible) {
 	checkWidget();
 	if (visible) {
 		if ((state & HIDDEN) == 0) return;
 		state &= ~HIDDEN;
 	} else {
 		if ((state & HIDDEN) != 0) return;
 		state |= HIDDEN;
 	}
 	if (parent != null && !parent.isVisible ()) return;
 	setWindowVisible (visible);
 }

 void setWindowVisible (boolean visible) {
 	if (OS.IsWindowVisible (shellHandle) == visible) return;
 	if (visible) {
 		if (!resized) {
 			sendEvent (SWT.Resize);
 			if (layout != null) layout.layout (this, false);
 		}
 		sendEvent (SWT.Show);
 		if (isDisposed ()) return;
 		int inModalKind = OS.kWindowModalityNone;
 		if ((style & SWT.PRIMARY_MODAL) != 0) inModalKind = OS.kWindowModalityWindowModal;
 		if ((style & SWT.APPLICATION_MODAL) != 0) inModalKind = OS.kWindowModalityAppModal;
 		if ((style & SWT.SYSTEM_MODAL) != 0) inModalKind = OS.kWindowModalitySystemModal;
 		if (inModalKind != OS.kWindowModalityNone) {
 			int inUnavailableWindow = 0;
 			if (parent != null) inUnavailableWindow = OS.GetControlOwner (parent.handle);
 			OS.SetWindowModality (shellHandle, inModalKind, inUnavailableWindow);
 		}
 		OS.HIViewSetVisible (topHandle (), true);
 		OS.ShowWindow (shellHandle);
 	} else {
     	OS.HideWindow (shellHandle);
 		OS.HIViewSetVisible (topHandle (), false);
 		sendEvent (SWT.Hide);
 	}
 }

 void setZOrder () {
 	if (scrolledHandle != 0) OS.HIViewAddSubview (scrolledHandle, handle);
 }

 void setZOrder (Control control, boolean above) {
 	if (above) {
 		//NOT DONE - move one window above another
 	 	OS.BringToFront (shellHandle);
 	 } else {
 		int window = control == null ? 0 : OS.GetControlOwner (control.handle);
 		OS.SendBehind (shellHandle, window);
 	}
 }

 }
	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.carbon.OS;
	import org.eclipse.swt.internal.carbon.Rect;

	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.*;
	import org.eclipse.swt.graphics.*;

	public class Shell extends Decorations {
	Display display;
	int shellHandle, windowGroup;
	boolean resized;
	Control lastActive;

	public Shell () {
	this ((Display) null);
	}

	public Shell (int style) {
	this ((Display) null, style);
	}

	public Shell (Display display) {
	this (display, SWT.SHELL_TRIM);
	}

	public Shell (Display display, int style) {
	this (display, null, style, 0);
	}

	Shell (Display display, Shell parent, int style, int handle) {
	super ();
	checkSubclass ();
	if (display == null) display = Display.getCurrent ();
	if (display == null) display = Display.getDefault ();
	if (!display.isValidThread ()) {
	error (SWT.ERROR_THREAD_INVALID_ACCESS);
	}
	this.style = checkStyle (style);
	this.parent = parent;
	this.display = display;
	this.handle = handle;
	createWidget ();
	}

	public Shell (Shell parent) {
	this (parent, SWT.DIALOG_TRIM);
	}

	public Shell (Shell parent, int style) {
	this (parent != null ? parent.getDisplay () : null, parent, style, 0);
	}

	static int checkStyle (int style) {
	style = Decorations.checkStyle (style);
	int mask = SWT.SYSTEM_MODAL \| SWT.APPLICATION_MODAL \| SWT.PRIMARY_MODAL;
	int bits = style & ~mask;
	if ((style & SWT.SYSTEM_MODAL) != 0) return bits \| SWT.SYSTEM_MODAL;
	if ((style & SWT.APPLICATION_MODAL) != 0) return bits \| SWT.APPLICATION_MODAL;
	if ((style & SWT.PRIMARY_MODAL) != 0) return bits \| SWT.PRIMARY_MODAL;
	return bits;
	}

	public void addShellListener(ShellListener listener) {
	checkWidget();
	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
	TypedListener typedListener = new TypedListener (listener);
	addListener(SWT.Activate,typedListener);
	addListener(SWT.Close,typedListener);
	addListener(SWT.Deactivate,typedListener);
	addListener(SWT.Iconify,typedListener);
	addListener(SWT.Deiconify,typedListener);
	}

	void bringToTop () {
	OS.SelectWindow (shellHandle);
	}

	public void close () {
	checkWidget();
	closeWidget ();
	}

	void closeWidget () {
	Event event = new Event ();
	sendEvent (SWT.Close, event);
	if (event.doit && !isDisposed ()) dispose ();
	}

	public Rectangle computeTrim (int x, int y, int width, int height) {
	checkWidget();
	Rectangle trim = super.computeTrim (x, y, width, height);
	Rect rect = new Rect ();
	OS.GetWindowStructureWidths (shellHandle, rect);
	trim.x -= rect.left;
	trim.y -= rect.top;
	trim.width += rect.left + rect.right;
	trim.height += rect.top + rect.bottom;
	return trim;
	}

	void createHandle () {
	state \|= CANVAS \| GRAB \| HIDDEN;
	int attributes = OS.kWindowStandardHandlerAttribute; // \| OS.kWindowCompositingAttribute;
	if ((style & SWT.NO_TRIM) == 0) {
	if ((style & SWT.CLOSE) != 0) attributes \|= OS.kWindowCloseBoxAttribute;
	if ((style & SWT.MIN) != 0) attributes \|= OS.kWindowCollapseBoxAttribute;
	if ((style & SWT.MAX) != 0) attributes \|= OS.kWindowFullZoomAttribute;
	if ((style & SWT.RESIZE) != 0) {
	attributes \|= OS.kWindowResizableAttribute \| OS.kWindowLiveResizeAttribute;
	}
	}
	int windowClass = OS.kDocumentWindowClass;
	if ((style & (SWT.CLOSE \| SWT.TITLE)) == 0) windowClass = OS.kSheetWindowClass;
	// int windowClass = parent == null ? OS.kDocumentWindowClass : OS.kSheetWindowClass;
	// if ((style & SWT.APPLICATION_MODAL) != 0) windowClass = OS.kMovableModalWindowClass;
	// if ((style & SWT.SYSTEM_MODAL) != 0) windowClass = OS.kModalWindowClass;
	Rect rect = new Rect ();
	OS.GetAvailableWindowPositioningBounds (OS.GetMainDevice (), rect);
	int width = (rect.right - rect.left) * 5 / 8;
	int height = (rect.bottom - rect.top) * 5 / 8;
	OS.SetRect (rect, (short) 0, (short) 0, (short) width, (short) height);
	int [] outWindow = new int [1];
	attributes &= OS.GetAvailableWindowAttributes (windowClass);
	OS.CreateNewWindow (windowClass, attributes, rect, outWindow);
	if (outWindow [0] == 0) error (SWT.ERROR_NO_HANDLES);
	shellHandle = outWindow [0];
	if ((style & SWT.ON_TOP) != 0) {
	OS.SetWindowActivationScope (shellHandle, OS.kWindowActivationScopeNone);
	}
	OS.RepositionWindow (shellHandle, 0, OS.kWindowCascadeOnMainScreen);
	OS.SetThemeWindowBackground (shellHandle, (short) OS.kThemeBrushDialogBackgroundActive, false);
	int [] theRoot = new int [1];
	OS.CreateRootControl (shellHandle, theRoot);
	OS.GetRootControl (shellHandle, theRoot);
	if (theRoot [0] == 0) error (SWT.ERROR_NO_HANDLES);
	if ((style & (SWT.H_SCROLL \| SWT.V_SCROLL)) != 0) {
	createScrolledHandle (theRoot [0]);
	} else {
	createHandle (theRoot [0]);
	}
	OS.HIViewSetVisible (topHandle (), false);
	int [] outGroup = new int [1];
	OS.CreateWindowGroup (OS.kWindowGroupAttrHideOnCollapse, outGroup);
	if (outGroup [0] == 0) error (SWT.ERROR_NO_HANDLES);
	windowGroup = outGroup [0];
	if (parent != null) {
	Shell shell = parent.getShell ();
	int parentGroup = shell.windowGroup;
	OS.SetWindowGroup (shellHandle, parentGroup);
	OS.SetWindowGroupParent (windowGroup, parentGroup);
	} else {
	int parentGroup = OS.GetWindowGroupOfClass (windowClass);
	OS.SetWindowGroupParent (windowGroup, parentGroup);
	}
	OS.SetWindowGroupOwner (windowGroup, shellHandle);
	}

	void createWidget () {
	super.createWidget ();
	layoutControl ();
	}

	void deregister () {
	super.deregister ();
	int [] theRoot = new int [1];
	OS.GetRootControl (shellHandle, theRoot);
	WidgetTable.remove (theRoot [0]);
	}

	void destroyWidget () {
	int theWindow = shellHandle;
	// OS.HideWindow (shellHandle);
	releaseHandle ();
	if (theWindow != 0) OS.DisposeWindow (theWindow);
	}

	Cursor findCursor () {
	return cursor;
	}

	public void forceActive () {
	checkWidget ();
	OS.SetFrontProcess (new int [] {0, OS.kCurrentProcess});
	OS.SelectWindow (shellHandle);
	}

	public Rectangle getClientArea () {
	checkWidget();
	Rect rect = new Rect ();
	OS.GetWindowBounds (shellHandle, (short) OS.kWindowContentRgn, rect);
	return new Rectangle (0, 0, rect.right - rect.left, rect.bottom - rect.top);
	}

	public Rectangle getBounds () {
	checkWidget();
	Rect rect = new Rect ();
	OS.GetWindowBounds (shellHandle, (short) OS.kWindowStructureRgn, rect);
	return new Rectangle (rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top);
	}

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

	int getDrawCount () {
	return drawCount;
	}

	public int getImeInputMode () {
	checkWidget();
	return SWT.NONE;
	}

	public Point getLocation () {
	checkWidget();
	Rect rect = new Rect ();
	OS.GetWindowBounds (shellHandle, (short) OS.kWindowStructureRgn, rect);
	return new Point (rect.left, rect.top);
	}

	public boolean getMaximized () {
	checkWidget();
	//NOT DONE
	return super.getMaximized ();
	}

	public boolean getMinimized () {
	checkWidget();
	return OS.IsWindowCollapsed (shellHandle);
	}

	public Shell getShell () {
	checkWidget();
	return this;
	}

	public Shell [] getShells () {
	checkWidget();
	int count = 0;
	Shell [] shells = display.getShells ();
	for (int i=0; i<shells.length; i++) {
	Control shell = shells [i];
	do {
	shell = shell.parent;
	} while (shell != null && shell != this);
	if (shell == this) count++;
	}
	int index = 0;
	Shell [] result = new Shell [count];
	for (int i=0; i<shells.length; i++) {
	Control shell = shells [i];
	do {
	shell = shell.parent;
	} while (shell != null && shell != this);
	if (shell == this) {
	result [index++] = shells [i];
	}
	}
	return result;
	}

	public Point getSize () {
	checkWidget();
	Rect rect = new Rect ();
	OS.GetWindowBounds (shellHandle, (short) OS.kWindowStructureRgn, rect);
	return new Point (rect.right - rect.left, rect.bottom - rect.top);
	}

	public boolean getVisible () {
	checkWidget();
	return OS.IsWindowVisible (shellHandle);
	}

	boolean hasBorder () {
	return false;
	}

	void hookEvents () {
	super.hookEvents ();
	int mouseProc = display.mouseProc;
	int windowProc = display.windowProc;
	int[] mask1 = new int [] {
	OS.kEventClassWindow, OS.kEventWindowActivated,
	OS.kEventClassWindow, OS.kEventWindowBoundsChanged,
	OS.kEventClassWindow, OS.kEventWindowClose,
	OS.kEventClassWindow, OS.kEventWindowCollapsed,
	OS.kEventClassWindow, OS.kEventWindowDeactivated,
	OS.kEventClassWindow, OS.kEventWindowExpanded,
	OS.kEventClassWindow, OS.kEventWindowHidden,
	OS.kEventClassWindow, OS.kEventWindowShown,
	};
	int windowTarget = OS.GetWindowEventTarget (shellHandle);
	OS.InstallEventHandler (windowTarget, windowProc, mask1.length / 2, mask1, shellHandle, null);
	int [] mask2 = new int [] {
	OS.kEventClassMouse, OS.kEventMouseDown,
	OS.kEventClassMouse, OS.kEventMouseDragged,
	// OS.kEventClassMouse, OS.kEventMouseEntered,
	// OS.kEventClassMouse, OS.kEventMouseExited,
	OS.kEventClassMouse, OS.kEventMouseMoved,
	OS.kEventClassMouse, OS.kEventMouseUp,
	OS.kEventClassMouse, OS.kEventMouseWheelMoved,
	};
	OS.InstallEventHandler (windowTarget, mouseProc, mask2.length / 2, mask2, shellHandle, null);
	}

	public boolean isEnabled () {
	checkWidget();
	return getEnabled ();
	}

	public boolean isVisible () {
	checkWidget();
	return getVisible ();
	}

	int kEventWindowActivated (int nextHandler, int theEvent, int userData) {
	int result = super.kEventWindowActivated (nextHandler, theEvent, userData);
	if (result == OS.noErr) return result;
	/*
	* Bug in the Macintosh. Despite the that a window has scope
	* kWindowActivationScopeNone, it gets kEventWindowActivated
	* events but does not get kEventWindowDeactivated events. The
	* fix is to ignore kEventWindowActivated events.
	*/
	int [] outScope = new int [1];
	OS.GetWindowActivationScope (shellHandle, outScope);
	if (outScope [0] == OS.kWindowActivationScopeNone) return result;
	Display display = getDisplay ();
	display.setMenuBar (menuBar);
	sendEvent (SWT.Activate);
	restoreFocus ();
	return result;
	}

	int kEventWindowBoundsChanged (int nextHandler, int theEvent, int userData) {
	int result = super.kEventWindowBoundsChanged (nextHandler, theEvent, userData);
	if (result == OS.noErr) return result;
	int [] attributes = new int [1];
	OS.GetEventParameter (theEvent, OS.kEventParamAttributes, OS.typeUInt32, null, attributes.length * 4, null, attributes);
	if ((attributes [0] & OS.kWindowBoundsChangeOriginChanged) != 0) {
	sendEvent (SWT.Move);
	}
	if ((attributes [0] & OS.kWindowBoundsChangeSizeChanged) != 0) {
	resized = true;
	layoutControl ();
	sendEvent (SWT.Resize);
	if (layout != null) layout.layout (this, false);
	}
	return result;
	}

	int kEventWindowClose (int nextHandler, int theEvent, int userData) {
	int result = super.kEventWindowClose (nextHandler, theEvent, userData);
	if (result == OS.noErr) return result;
	closeWidget ();
	return OS.noErr;
	}

	int kEventWindowCollapsed (int nextHandler, int theEvent, int userData) {
	int result = super.kEventWindowCollapsed (nextHandler, theEvent, userData);
	if (result == OS.noErr) return result;
	sendEvent (SWT.Iconify);
	return result;
	}

	int kEventWindowDeactivated (int nextHandler, int theEvent, int userData) {
	int result = super.kEventWindowDeactivated (nextHandler, theEvent, userData);
	if (result == OS.noErr) return result;
	sendEvent (SWT.Deactivate);
	saveFocus ();
	if (savedFocus != null) {
	/*
	* Bug in the Macintosh. When ClearKeyboardFocus() is called,
	* the control that has focus gets two kEventControlSetFocus
	* events indicating that focus was lost. The fix is to ignore
	* both of these and send the focus lost event explicitly. */
	display.ignoreFocus = true;
	OS.ClearKeyboardFocus (shellHandle);
	display.ignoreFocus = false;
	if (!savedFocus.isDisposed ()) savedFocus.sendFocusEvent (false);
	}
	Display display = getDisplay ();
	display.setMenuBar (null);
	return result;
	}

	int kEventWindowExpanded (int nextHandler, int theEvent, int userData) {
	int result = super.kEventWindowExpanded (nextHandler, theEvent, userData);
	if (result == OS.noErr) return result;
	sendEvent (SWT.Deiconify);
	return result;
	}

	int kEventWindowHidden (int nextHandler, int theEvent, int userData) {
	int result = super.kEventWindowHidden (nextHandler, theEvent, userData);
	if (result == OS.noErr) return result;
	Shell [] shells = getShells ();
	for (int i=0; i<shells.length; i++) {
	Shell shell = shells [i];
	if (!shell.isDisposed ()) shell.setWindowVisible (false);
	}
	return OS.eventNotHandledErr;
	}

	int kEventWindowShown (int nextHandler, int theEvent, int userData) {
	int result = super.kEventWindowShown (nextHandler, theEvent, userData);
	if (result == OS.noErr) return result;
	Shell [] shells = getShells ();
	for (int i=0; i<shells.length; i++) {
	Shell shell = shells [i];
	if (!shell.isDisposed () && shell.getVisible ()) {
	shell.setWindowVisible (true);
	}
	}
	return OS.eventNotHandledErr;
	}

	void layoutControl () {
	Rect rect = new Rect ();
	OS.GetWindowBounds (shellHandle, (short) OS.kWindowContentRgn, rect);
	int control = scrolledHandle != 0 ? scrolledHandle : handle;
	setBounds (control, 0, 0, rect.right - rect.left, rect.bottom - rect.top, false, true, false);
	super.layoutControl ();
	}

	public void open () {
	checkWidget();
	OS.SelectWindow (shellHandle);
	setVisible (true);
	if (!restoreFocus ()) traverseGroup (true);
	}

	void register () {
	super.register ();
	int [] theRoot = new int [1];
	OS.GetRootControl (shellHandle, theRoot);
	WidgetTable.put (theRoot [0], this);
	}

	void releaseHandle () {
	super.releaseHandle ();
	shellHandle = 0;
	}

	void releaseShells () {
	Shell [] shells = getShells ();
	for (int i=0; i<shells.length; i++) {
	Shell shell = shells [i];
	if (!shell.isDisposed ()) shell.dispose ();
	}
	}

	void releaseWidget () {
	releaseShells ();
	super.releaseWidget ();
	if (windowGroup != 0) OS.ReleaseWindowGroup (windowGroup);
	windowGroup = 0;
	lastActive = null;
	}

	public void removeShellListener(ShellListener listener) {
	checkWidget();
	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
	if (eventTable == null) return;
	eventTable.unhook(SWT.Activate, listener);
	eventTable.unhook(SWT.Close, listener);
	eventTable.unhook(SWT.Deactivate, listener);
	eventTable.unhook(SWT.Iconify,listener);
	eventTable.unhook(SWT.Deiconify,listener);
	}

	public void setActive () {
	checkWidget ();
	OS.SelectWindow (shellHandle);
	}

	void setActiveControl (Control control) {
	if (control != null && control.isDisposed ()) control = null;
	if (lastActive != null && lastActive.isDisposed ()) lastActive = null;
	if (lastActive == control) return;

	/*
	* Compute the list of controls to be activated and
	* deactivated by finding the first common parent
	* control.
	*/
	Control [] activate = (control == null) ? new Control[0] : control.getPath ();
	Control [] deactivate = (lastActive == null) ? new Control[0] : lastActive.getPath ();
	lastActive = control;
	int index = 0, length = Math.min (activate.length, deactivate.length);
	while (index < length) {
	if (activate [index] != deactivate [index]) break;
	index++;
	}

	/*
	* It is possible (but unlikely), that application
	* code could have destroyed some of the widgets. If
	* this happens, keep processing those widgets that
	* are not disposed.
	*/
	for (int i=deactivate.length-1; i>=index; --i) {
	if (!deactivate [i].isDisposed ()) {
	deactivate [i].sendEvent (SWT.Deactivate);
	}
	}
	for (int i=activate.length-1; i>=index; --i) {
	if (!activate [i].isDisposed ()) {
	activate [i].sendEvent (SWT.Activate);
	}
	}
	}

	public void setBounds (int x, int y, int width, int height) {
	checkWidget ();
	width = Math.max (0, width);
	height = Math.max (0, height);
	Rect rect = new Rect ();
	OS.SetRect (rect, (short) x, (short) y, (short) (x + width), (short) (y + height));
	OS.SetWindowBounds (shellHandle, (short) OS.kWindowStructureRgn, rect);
	}

	public void setMenuBar (Menu menu) {
	checkWidget();
	super.setMenuBar (menu);
	Display display = getDisplay ();
	if (display.getActiveShell () == this) {
	display.setMenuBar (menuBar);
	}
	}

	public void setImeInputMode (int mode) {
	checkWidget();
	}

	public void setLocation (int x, int y) {
	checkWidget();
	Rect rect = new Rect ();
	OS.GetWindowBounds (shellHandle, (short) OS.kWindowStructureRgn, rect);
	int width = rect.right - rect.left;
	int height = rect.bottom - rect.top;
	OS.SetRect (rect, (short) x, (short) y, (short) (x + width), (short) (y + height));
	OS.SetWindowBounds (shellHandle, (short) OS.kWindowStructureRgn, rect);
	}

	public void setMaximized (boolean maximized) {
	checkWidget();
	super.setMaximized (maximized);
	org.eclipse.swt.internal.carbon.Point pt = new org.eclipse.swt.internal.carbon.Point ();
	short inPartCode = (short) (maximized ? OS.inZoomOut : OS.inZoomIn);
	//FIXME - returns -50 errParam
	OS.ZoomWindowIdeal (shellHandle, inPartCode, pt);
	}

	public void setMinimized (boolean minimized) {
	checkWidget();
	super.setMinimized (minimized);
	OS.CollapseWindow (shellHandle, true);
	}

	public void setSize (int width, int height) {
	checkWidget();
	width = Math.max (0, width);
	height = Math.max (0, height);
	Rect rect = new Rect ();
	OS.GetWindowBounds (shellHandle, (short) OS.kWindowStructureRgn, rect);
	OS.SetRect (rect, rect.left, rect.top, (short)(rect.left + width), (short)(rect.top + height));
	OS.SetWindowBounds (shellHandle, (short) OS.kWindowStructureRgn, rect);
	}

	public void setText (String string) {
	checkWidget();
	if (string == null) error (SWT.ERROR_NULL_ARGUMENT);
	super.setText (string);
	char [] buffer = new char [string.length ()];
	string.getChars (0, buffer.length, buffer, 0);
	int ptr = OS.CFStringCreateWithCharacters (OS.kCFAllocatorDefault, buffer, buffer.length);
	if (ptr == 0) error (SWT.ERROR_CANNOT_SET_TEXT);
	OS.SetWindowTitleWithCFString (shellHandle, ptr);
	OS.CFRelease (ptr);
	}

	public void setVisible (boolean visible) {
	checkWidget();
	if (visible) {
	if ((state & HIDDEN) == 0) return;
	state &= ~HIDDEN;
	} else {
	if ((state & HIDDEN) != 0) return;
	state \|= HIDDEN;
	}
	if (parent != null && !parent.isVisible ()) return;
	setWindowVisible (visible);
	}

	void setWindowVisible (boolean visible) {
	if (OS.IsWindowVisible (shellHandle) == visible) return;
	if (visible) {
	if (!resized) {
	sendEvent (SWT.Resize);
	if (layout != null) layout.layout (this, false);
	}
	sendEvent (SWT.Show);
	if (isDisposed ()) return;
	int inModalKind = OS.kWindowModalityNone;
	if ((style & SWT.PRIMARY_MODAL) != 0) inModalKind = OS.kWindowModalityWindowModal;
	if ((style & SWT.APPLICATION_MODAL) != 0) inModalKind = OS.kWindowModalityAppModal;
	if ((style & SWT.SYSTEM_MODAL) != 0) inModalKind = OS.kWindowModalitySystemModal;
	if (inModalKind != OS.kWindowModalityNone) {
	int inUnavailableWindow = 0;
	if (parent != null) inUnavailableWindow = OS.GetControlOwner (parent.handle);
	OS.SetWindowModality (shellHandle, inModalKind, inUnavailableWindow);
	}
	OS.HIViewSetVisible (topHandle (), true);
	OS.ShowWindow (shellHandle);
	} else {
	OS.HideWindow (shellHandle);
	OS.HIViewSetVisible (topHandle (), false);
	sendEvent (SWT.Hide);
	}
	}

	void setZOrder () {
	if (scrolledHandle != 0) OS.HIViewAddSubview (scrolledHandle, handle);
	}

	void setZOrder (Control control, boolean above) {
	if (above) {
	//NOT DONE - move one window above another
	OS.BringToFront (shellHandle);
	} else {
	int window = control == null ? 0 : OS.GetControlOwner (control.handle);
	OS.SendBehind (shellHandle, window);
	}
	}

	}