/*******************************************************************************
* Copyright (c) 2000, 2010 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.*;
import org.eclipse.swt.internal.carbon.CFRange;
import org.eclipse.swt.internal.carbon.CGRect;
import org.eclipse.swt.internal.carbon.OS;
import org.eclipse.swt.internal.carbon.RGBColor;
import org.eclipse.swt.internal.carbon.Rect;
import org.eclipse.swt.internal.carbon.PixMap;
import org.eclipse.swt.internal.carbon.BitMap;
import org.eclipse.swt.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.events.*;
/**
* This class is the abstract superclass of all user interface objects.
* Widgets are created, disposed and issue notification to listeners
* when events occur which affect them.
* <dl>
* <dt><b>Styles:</b></dt>
* <dd>(none)</dd>
* <dt><b>Events:</b></dt>
* <dd>Dispose</dd>
* </dl>
* <p>
* IMPORTANT: This class is intended to be subclassed <em>only</em>
* within the SWT implementation. However, it has not been marked
* final to allow those outside of the SWT development team to implement
* patched versions of the class in order to get around specific
* limitations in advance of when those limitations can be addressed
* by the team. Any class built using subclassing to access the internals
* of this class will likely fail to compile or run between releases and
* may be strongly platform specific. Subclassing should not be attempted
* without an intimate and detailed understanding of the workings of the
* hierarchy. No support is provided for user-written classes which are
* implemented as subclasses of this class.
* </p>
*
* @see #checkSubclass
* @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
*/
public abstract class Widget {
int style, state;
Display display;
EventTable eventTable;
Object data;
/* Global state flags */
static final int DISPOSED = 1 << 0;
static final int CANVAS = 1 << 1;
static final int KEYED_DATA = 1 << 2;
static final int DISABLED = 1 << 3;
static final int HIDDEN = 1 << 4;
static final int GRAB = 1 << 5;
static final int MOVED = 1 << 6;
static final int RESIZED = 1 << 7;
static final int EXPANDING = 1 << 8;
static final int IGNORE_WHEEL = 1 << 9;
static final int PARENT_BACKGROUND = 1 << 10;
static final int THEME_BACKGROUND = 1 << 11;
/* A layout was requested on this widget */
static final int LAYOUT_NEEDED = 1<<12;
/* The preferred size of a child has changed */
static final int LAYOUT_CHANGED = 1<<13;
/* A layout was requested in this widget hierachy */
static final int LAYOUT_CHILD = 1<<14;
/* More global state flags */
static final int RELEASED = 1<<15;
static final int DISPOSE_SENT = 1<<16;
static final int FOREIGN_HANDLE = 1<<17;
static final int DRAG_DETECT = 1<<18;
/* WebKit fixes */
static final int WEBKIT_EVENTS_FIX = 1<<19;
static final String WEBKIT_EVENTS_FIX_KEY = "org.eclipse.swt.internal.webKitEventsFix"; //$NON-NLS-1$
static final String IS_ACTIVE = "org.eclipse.swt.internal.isActive"; //$NON-NLS-1$
/* Notify of the opportunity to skin this widget */
static final int SKIN_NEEDED = 1<<20;
/* Default size for widgets */
static final int DEFAULT_WIDTH = 64;
static final int DEFAULT_HEIGHT = 64;
static final Rect EMPTY_RECT = new Rect ();
Widget () {
/* Do nothing */
}
/**
* 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 widget which will be the parent of the new instance (cannot be null)
* @param style the style of widget to construct
*
* @exception IllegalArgumentException <ul>
* <li>ERROR_NULL_ARGUMENT - if the parent is null</li>
* <li>ERROR_INVALID_ARGUMENT - if the parent is disposed</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 #checkSubclass
* @see #getStyle
*/
public Widget (Widget parent, int style) {
checkSubclass ();
checkParent (parent);
this.style = style;
display = parent.display;
reskinWidget ();
}
int actionProc (int theControl, int partCode) {
return OS.eventNotHandledErr;
}
/**
* Adds the listener to the collection of listeners who will
* be notified when an event of the given type occurs. When the
* event does occur in the widget, the listener is notified by
* sending it the <code>handleEvent()</code> message. The event
* type is one of the event constants defined in class <code>SWT</code>.
*
* @param eventType the type of event to listen for
* @param listener the listener which should be notified when the event occurs
*
* @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>
*
* @see Listener
* @see SWT
* @see #getListeners(int)
* @see #removeListener(int, Listener)
* @see #notifyListeners
*/
public void addListener (int eventType, Listener listener) {
checkWidget();
if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
_addListener (eventType, listener);
}
void _addListener (int eventType, Listener listener) {
if (eventTable == null) eventTable = new EventTable ();
eventTable.hook (eventType, listener);
}
int callPaintEventHandler (int control, int damageRgn, int visibleRgn, int theEvent, int nextHandler) {
return OS.CallNextEventHandler (nextHandler, theEvent);
}
/**
* Adds the listener to the collection of listeners who will
* be notified when the widget is disposed. When the widget is
* disposed, the listener is notified by sending it the
* <code>widgetDisposed()</code> message.
*
* @param listener the listener which should be notified when the receiver is disposed
*
* @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>
*
* @see DisposeListener
* @see #removeDisposeListener
*/
public void addDisposeListener (DisposeListener listener) {
checkWidget();
if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
TypedListener typedListener = new TypedListener (listener);
addListener (SWT.Dispose, typedListener);
}
static int checkBits (int style, int int0, int int1, int int2, int int3, int int4, int int5) {
int mask = int0 | int1 | int2 | int3 | int4 | int5;
if ((style & mask) == 0) style |= int0;
if ((style & int0) != 0) style = (style & ~mask) | int0;
if ((style & int1) != 0) style = (style & ~mask) | int1;
if ((style & int2) != 0) style = (style & ~mask) | int2;
if ((style & int3) != 0) style = (style & ~mask) | int3;
if ((style & int4) != 0) style = (style & ~mask) | int4;
if ((style & int5) != 0) style = (style & ~mask) | int5;
return style;
}
void calculateVisibleRegion (int control, int visibleRgn, boolean clipChildren) {
int tempRgn = OS.NewRgn ();
if (OS.IsControlVisible (control)) {
int childRgn = OS.NewRgn ();
int window = OS.GetControlOwner (control);
short [] count = new short [1];
int [] outControl = new int [1];
OS.GetRootControl (window, outControl);
int root = outControl [0];
OS.GetControlRegion (root, (short) OS.kControlStructureMetaPart, visibleRgn);
int tempControl = control, lastControl = 0;
while (tempControl != root) {
OS.GetControlRegion (tempControl, (short) OS.kControlStructureMetaPart, tempRgn);
OS.HIViewConvertRegion (tempRgn, tempControl, root);
OS.SectRgn (tempRgn, visibleRgn, visibleRgn);
if (OS.EmptyRgn (visibleRgn)) break;
if (clipChildren || tempControl != control) {
OS.CountSubControls (tempControl, count);
for (int i = 0; i < count [0]; i++) {
OS.GetIndexedSubControl (tempControl, (short)(count [0] - i), outControl);
int child = outControl [0];
if (child == lastControl) break;
if (!OS.IsControlVisible (child)) continue;
OS.GetControlRegion (child, (short) OS.kControlStructureMetaPart, tempRgn);
OS.HIViewConvertRegion (tempRgn, child, root);
OS.UnionRgn (tempRgn, childRgn, childRgn);
}
}
lastControl = tempControl;
OS.GetSuperControl (tempControl, outControl);
tempControl = outControl [0];
}
OS.DiffRgn (visibleRgn, childRgn, visibleRgn);
OS.DisposeRgn (childRgn);
} else {
OS.CopyRgn (tempRgn, visibleRgn);
}
OS.DisposeRgn (tempRgn);
}
void checkOpen () {
/* Do nothing */
}
void checkOrientation (Widget parent) {
style &= ~SWT.MIRRORED;
if ((style & (SWT.LEFT_TO_RIGHT | SWT.RIGHT_TO_LEFT)) == 0) {
if (parent != null) {
if ((parent.style & SWT.LEFT_TO_RIGHT) != 0) style |= SWT.LEFT_TO_RIGHT;
if ((parent.style & SWT.RIGHT_TO_LEFT) != 0) style |= SWT.RIGHT_TO_LEFT;
}
}
style = checkBits (style, SWT.LEFT_TO_RIGHT, SWT.RIGHT_TO_LEFT, 0, 0, 0, 0);
}
void checkParent (Widget parent) {
if (parent == null) error (SWT.ERROR_NULL_ARGUMENT);
if (parent.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT);
parent.checkWidget ();
parent.checkOpen ();
}
/**
* Checks that this class can be subclassed.
* <p>
* The SWT class library is intended to be subclassed
* only at specific, controlled points (most notably,
* <code>Composite</code> and <code>Canvas</code> when
* implementing new widgets). This method enforces this
* rule unless it is overridden.
* </p><p>
* <em>IMPORTANT:</em> By providing an implementation of this
* method that allows a subclass of a class which does not
* normally allow subclassing to be created, the implementer
* agrees to be fully responsible for the fact that any such
* subclass will likely fail between SWT releases and will be
* strongly platform specific. No support is provided for
* user-written classes which are implemented in this fashion.
* </p><p>
* The ability to subclass outside of the allowed SWT classes
* is intended purely to enable those not on the SWT development
* team to implement patches in order to get around specific
* limitations in advance of when those limitations can be
* addressed by the team. Subclassing should not be attempted
* without an intimate and detailed understanding of the hierarchy.
* </p>
*
* @exception SWTException <ul>
* <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li>
* </ul>
*/
protected void checkSubclass () {
if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS);
}
/**
* Throws an <code>SWTException</code> if the receiver can not
* be accessed by the caller. This may include both checks on
* the state of the receiver and more generally on the entire
* execution context. This method <em>should</em> be called by
* widget implementors to enforce the standard SWT invariants.
* <p>
* Currently, it is an error to invoke any method (other than
* <code>isDisposed()</code>) on a widget that has had its
* <code>dispose()</code> method called. It is also an error
* to call widget methods from any thread that is different
* from the thread that created the widget.
* </p><p>
* In future releases of SWT, there may be more or fewer error
* checks and exceptions may be thrown for different reasons.
* </p>
*
* @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>
*/
protected void checkWidget () {
Display display = this.display;
if (display == null) error (SWT.ERROR_WIDGET_DISPOSED);
if (display.thread != Thread.currentThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
if ((state & DISPOSED) != 0) error (SWT.ERROR_WIDGET_DISPOSED);
}
int colorProc (int inControl, int inMessage, int inDrawDepth, int inDrawInColor) {
return OS.eventNotHandledErr;
}
boolean contains (int shellX, int shellY) {
return true;
}
int clockProc (int nextHandler, int theEvent, int userData) {
int kind = OS.GetEventKind (theEvent);
switch (kind) {
case OS.kEventClockDateOrTimeChanged: return kEventClockDateOrTimeChanged (nextHandler, theEvent, userData);
}
return OS.eventNotHandledErr;
}
int controlProc (int nextHandler, int theEvent, int userData) {
int eventKind = OS.GetEventKind (theEvent);
switch (eventKind) {
case OS.kEventControlActivate: return kEventControlActivate (nextHandler, theEvent, userData);
case OS.kEventControlApplyBackground: return kEventControlApplyBackground (nextHandler, theEvent, userData);
case OS.kEventControlBoundsChanged: return kEventControlBoundsChanged (nextHandler, theEvent, userData);
case OS.kEventControlClick: return kEventControlClick (nextHandler, theEvent, userData);
case OS.kEventControlContextualMenuClick: return kEventControlContextualMenuClick (nextHandler, theEvent, userData);
case OS.kEventControlDeactivate: return kEventControlDeactivate (nextHandler, theEvent, userData);
case OS.kEventControlDraw: return kEventControlDraw (nextHandler, theEvent, userData);
case OS.kEventControlGetPartRegion: return kEventControlGetPartRegion (nextHandler, theEvent, userData);
case OS.kEventControlHit: return kEventControlHit (nextHandler, theEvent, userData);
case OS.kEventControlSetCursor: return kEventControlSetCursor (nextHandler, theEvent, userData);
case OS.kEventControlSetFocusPart: return kEventControlSetFocusPart (nextHandler, theEvent, userData);
case OS.kEventControlTrack: return kEventControlTrack (nextHandler, theEvent, userData);
case OS.kEventControlGetFocusPart: return kEventControlGetFocusPart (nextHandler, theEvent, userData);
case OS.kEventControlHitTest: return kEventControlHitTest (nextHandler, theEvent, userData);
case OS.kEventControlGetClickActivation: return kEventControlGetClickActivation (nextHandler, theEvent, userData);
}
return OS.eventNotHandledErr;
}
int accessibilityProc (int nextHandler, int theEvent, int userData) {
int eventKind = OS.GetEventKind (theEvent);
switch (eventKind) {
case OS.kEventAccessibleGetChildAtPoint: return kEventAccessibleGetChildAtPoint (nextHandler, theEvent, userData);
case OS.kEventAccessibleGetFocusedChild: return kEventAccessibleGetFocusedChild (nextHandler, theEvent, userData);
case OS.kEventAccessibleGetAllAttributeNames: return kEventAccessibleGetAllAttributeNames (nextHandler, theEvent, userData);
case OS.kEventAccessibleGetNamedAttribute: return kEventAccessibleGetNamedAttribute (nextHandler, theEvent, userData);
}
return OS.eventNotHandledErr;
}
void copyToClipboard (char [] chars) {
if (chars.length == 0) return;
OS.ClearCurrentScrap ();
int [] scrap = new int [1];
OS.GetCurrentScrap (scrap);
int cfstring = OS.CFStringCreateWithCharacters(OS.kCFAllocatorDefault, chars, chars.length);
if (cfstring == 0) return;
byte[] buffer = null;
// Put a Unicode string and a string in the current encoding on the clipboard.
try {
CFRange range = new CFRange();
range.length = chars.length;
int[] size = new int[1];
int numChars = OS.CFStringGetBytes(cfstring, range, OS.kCFStringEncodingUnicode, (byte)'?', false, null, 0, size);
if (numChars == 0) return;
buffer = new byte[size[0]];
numChars = OS.CFStringGetBytes(cfstring, range, OS.kCFStringEncodingUnicode, (byte)'?', false, buffer, size [0], size);
if (numChars == 0) return;
OS.PutScrapFlavor (scrap [0], OS.kScrapFlavorTypeUnicode, 0, buffer.length, buffer);
numChars = OS.CFStringGetBytes(cfstring, range, OS.CFStringGetSystemEncoding(), (byte)'?', false, null, 0, size);
if (numChars == 0) return;
buffer = new byte[size[0]];
numChars = OS.CFStringGetBytes(cfstring, range, OS.CFStringGetSystemEncoding(), (byte)'?', false, buffer, size [0], size);
if (numChars == 0) return;
OS.PutScrapFlavor (scrap [0], OS.kScrapFlavorTypeText, 0, buffer.length, buffer);
} finally {
OS.CFRelease(cfstring);
}
}
int createCIcon (Image image) {
int imageHandle = image.handle;
int width = OS.CGImageGetWidth(imageHandle);
int height = OS.CGImageGetHeight(imageHandle);
int bpr = OS.CGImageGetBytesPerRow(imageHandle);
int bpp = OS.CGImageGetBitsPerPixel(imageHandle);
int bpc = OS.CGImageGetBitsPerComponent(imageHandle);
int alphaInfo = OS.CGImageGetAlphaInfo(imageHandle);
int maskBpl = (((width + 7) / 8) + 3) / 4 * 4;
int maskSize = height * maskBpl;
int pixmapSize = height * bpr;
/* Create the icon */
int iconSize = PixMap.sizeof + BitMap.sizeof * 2 + 4 + maskSize;
int iconHandle = OS.NewHandle(iconSize);
if (iconHandle == 0) SWT.error(SWT.ERROR_NO_HANDLES);
OS.HLock(iconHandle);
int[] iconPtr = new int[1];
OS.memmove(iconPtr, iconHandle, 4);
/* Initialize the pixmap */
PixMap iconPMap = new PixMap();
iconPMap.rowBytes = (short)(bpr | 0x8000);
iconPMap.right = (short)width;
iconPMap.bottom = (short)height;
iconPMap.cmpCount = 3;
iconPMap.cmpSize = (short)bpc;
iconPMap.pmTable = OS.NewHandle(0);
iconPMap.hRes = 72 << 16;
iconPMap.vRes = 72 << 16;
iconPMap.pixelType = (short)OS.RGBDirect;
iconPMap.pixelSize = (short)bpp;
iconPMap.pixelFormat = (short)bpp;
OS.memmove(iconPtr[0], iconPMap, PixMap.sizeof);
/* Initialize the mask */
BitMap iconMask = new BitMap();
iconMask.rowBytes = (short)maskBpl;
iconMask.right = (short)width;
iconMask.bottom = (short)height;
OS.memmove(iconPtr[0] + PixMap.sizeof, iconMask, BitMap.sizeof);
/* Initialize the icon data */
int iconData = OS.NewHandle(pixmapSize);
OS.HLock(iconData);
int[] iconDataPtr = new int[1];
OS.memmove(iconDataPtr, iconData, 4);
OS.memmove(iconDataPtr[0], image.data, pixmapSize);
OS.HUnlock(iconData);
OS.memmove(iconPtr[0] + PixMap.sizeof + 2 * BitMap.sizeof, new int[]{iconData}, 4);
/* Initialize the mask data */
if (alphaInfo != OS.kCGImageAlphaFirst) {
OS.memset(iconPtr[0] + PixMap.sizeof + 2 * BitMap.sizeof + 4, -1, maskSize);
} else {
byte[] srcData = new byte[pixmapSize];
OS.memmove(srcData, image.data, pixmapSize);
byte[] maskData = new byte[maskSize];
int offset = 0, maskOffset = 0;
for (int y = 0; y<height; y++) {
for (int x = 0; x<width; x++) {
if ((srcData[offset] & 0xFF) > 128) {
maskData[maskOffset + (x >> 3)] |= (1 << (7 - (x & 0x7)));
} else {
maskData[maskOffset + (x >> 3)] &= ~(1 << (7 - (x & 0x7)));
}
offset += 4;
}
maskOffset += maskBpl;
}
OS.memmove(iconPtr[0] + PixMap.sizeof + 2 * BitMap.sizeof + 4, maskData, maskData.length);
}
OS.HUnlock(iconHandle);
return iconHandle;
}
void createHandle () {
}
int createIconRef (Image image) {
int imageHandle = image.handle;
int imageData = image.data;
int width = OS.CGImageGetWidth(imageHandle);
int height = OS.CGImageGetHeight(imageHandle);
int bpr = OS.CGImageGetBytesPerRow(imageHandle);
int alphaInfo = OS.CGImageGetAlphaInfo(imageHandle);
int type = 0, maskType = 0;
if (width == 16 && height == 16) {
type = OS.kSmall32BitData;
maskType = OS.kSmall8BitMask;
} else if (width == 32 && height == 32) {
type = OS.kLarge32BitData;
maskType = OS.kLarge8BitMask;
} else if (width == 48 && height == 48) {
type = OS.kHuge32BitData;
maskType = OS.kHuge8BitMask;
} else if (width == 128 && height == 128) {
type = OS.kThumbnail32BitData;
maskType = OS.kThumbnail8BitMask;
} else {
type = OS.kSmall32BitData;
maskType = OS.kSmall8BitMask;
int size = 16;
if (width > 16 || height > 16) {
type = OS.kHuge32BitData;
maskType = OS.kHuge8BitMask;
size = 32;
}
if (width > 32 || height > 32) {
type = OS.kHuge32BitData;
maskType = OS.kHuge8BitMask;
size = 48;
}
if (width > 48 || height > 48) {
type = OS.kThumbnail32BitData;
maskType = OS.kThumbnail8BitMask;
size = 128;
}
width = height = size;
bpr = width * 4;
int dataSize = height * bpr;
imageData = OS.NewPtr(dataSize);
if (imageData == 0) SWT.error(SWT.ERROR_NO_HANDLES);
int colorspace = OS.CGColorSpaceCreateDeviceRGB();
if (colorspace == 0) SWT.error(SWT.ERROR_NO_HANDLES);
int context = OS.CGBitmapContextCreate(imageData, width, height, 8, bpr, colorspace, OS.kCGImageAlphaNoneSkipFirst);
OS.CGColorSpaceRelease(colorspace);
if (context == 0) SWT.error(SWT.ERROR_NO_HANDLES);
CGRect rect = new CGRect();
rect.width = width;
rect.height = height;
OS.CGContextDrawImage(context, rect, imageHandle);
OS.CGContextRelease(context);
}
if (type == 0) return 0;
int iconFamily = OS.NewHandle(0);
if (iconFamily == 0) SWT.error(SWT.ERROR_NO_HANDLES);
int dataSize = height * bpr;
int dataHandle = OS.NewHandle(dataSize);
if (dataHandle == 0) SWT.error(SWT.ERROR_NO_HANDLES);
int[] dataPtr = new int[1];
OS.HLock(dataHandle);
OS.memmove(dataPtr, dataHandle, 4);
OS.memmove(dataPtr[0], imageData, dataSize);
OS.HUnlock(dataHandle);
OS.SetIconFamilyData(iconFamily, type, dataHandle);
OS.DisposeHandle(dataHandle);
/* Initialize the mask data */
int maskSize = width * height;
int maskHandle = OS.NewHandle (maskSize);
if (maskHandle == 0) SWT.error(SWT.ERROR_NO_HANDLES);
OS.HLock(maskHandle);
int[] maskPtr = new int[1];
OS.memmove(maskPtr, maskHandle, 4);
if (alphaInfo != OS.kCGImageAlphaFirst) {
OS.memset(maskPtr[0], 0xFF, maskSize);
} else {
byte[] srcData = new byte[dataSize];
OS.memmove(srcData, imageData, dataSize);
byte[] maskData = new byte[maskSize];
int offset = 0, maskOffset = 0;
for (int y = 0; y<height; y++) {
for (int x = 0; x<width; x++) {
maskData[maskOffset++] = srcData[offset];
offset += 4;
}
}
OS.memmove(maskPtr[0], maskData, maskData.length);
}
OS.HUnlock(maskHandle);
OS.SetIconFamilyData(iconFamily, maskType, maskHandle);
OS.DisposeHandle(maskHandle);
if (imageData != image.data) OS.DisposePtr(imageData);
/* Create the icon ref */
int[] iconRef = new int[1];
OS.HLock(iconFamily);
int[] iconPtr = new int[1];
OS.memmove(iconPtr, iconFamily, 4);
OS.GetIconRefFromIconFamilyPtr(iconPtr[0], OS.GetHandleSize(iconFamily), iconRef);
OS.HUnlock(iconFamily);
OS.DisposeHandle(iconFamily);
return iconRef[0];
}
void createWidget () {
createHandle ();
register ();
hookEvents ();
}
int commandProc (int nextHandler, int theEvent, int userData) {
int eventKind = OS.GetEventKind (theEvent);
switch (eventKind) {
case OS.kEventProcessCommand: return kEventProcessCommand (nextHandler, theEvent, userData);
}
return OS.eventNotHandledErr;
}
void deregister () {
}
void destroyWidget () {
releaseHandle ();
}
void destroyCIcon (int iconHandle) {
OS.HLock(iconHandle);
/* Dispose the ColorTable */
int[] iconPtr = new int[1];
OS.memmove(iconPtr, iconHandle, 4);
PixMap iconPMap = new PixMap();
OS.memmove(iconPMap, iconPtr[0], PixMap.sizeof);
if (iconPMap.pmTable != 0) OS.DisposeHandle(iconPMap.pmTable);
/* Dispose the icon data */
int[] iconData = new int[1];
OS.memmove(iconData, iconPtr[0] + PixMap.sizeof + 2 * BitMap.sizeof, 4);
if (iconData[0] != 0) OS.DisposeHandle(iconData[0]);
OS.HUnlock(iconHandle);
/* Dispose the icon */
OS.DisposeHandle(iconHandle);
}
int drawItemProc (int browser, int item, int property, int itemState, int theRect, int gdDepth, int colorDevice) {
return OS.noErr;
}
/**
* Disposes of the operating system resources associated with
* the receiver and all its descendants. After this method has
* been invoked, the receiver and all descendants will answer
* <code>true</code> when sent the message <code>isDisposed()</code>.
* Any internal connections between the widgets in the tree will
* have been removed to facilitate garbage collection.
* This method does nothing if the widget is already disposed.
* <p>
* NOTE: This method is not called recursively on the descendants
* of the receiver. This means that, widget implementers can not
* detect when a widget is being disposed of by re-implementing
* this method, but should instead listen for the <code>Dispose</code>
* event.
* </p>
*
* @exception SWTException <ul>
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
* </ul>
*
* @see #addDisposeListener
* @see #removeDisposeListener
* @see #checkWidget
*/
public void dispose () {
/*
* Note: It is valid to attempt to dispose a widget
* more than once. If this happens, fail silently.
*/
if (isDisposed ()) return;
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
release (true);
}
void drawBackground (int control, int context) {
/* Do nothing */
}
void drawWidget (int control, int context, int damageRgn, int visibleRgn, int theEvent) {
}
void error (int code) {
SWT.error(code);
}
boolean filters (int eventType) {
return display.filters (eventType);
}
int fixMnemonic (char [] buffer) {
int i=0, j=0;
while (i < buffer.length) {
if ((buffer [j++] = buffer [i++]) == '&') {
if (i == buffer.length) {continue;}
if (buffer [i] == '&') {i++; continue;}
j--;
}
}
return j;
}
String getClipboardText () {
String result = "";
int [] scrap = new int [1];
OS.GetCurrentScrap (scrap);
int [] size = new int [1];
if (OS.GetScrapFlavorSize (scrap [0], OS.kScrapFlavorTypeUnicode, size) == OS.noErr) {
if (size [0] != 0) {
byte [] buffer = new byte [size [0]];
if (OS.GetScrapFlavorData (scrap [0], OS.kScrapFlavorTypeUnicode, size, buffer) == OS.noErr) {
int encoding = OS.kCFStringEncodingUnicode;
int cfstring = OS.CFStringCreateWithBytes(OS.kCFAllocatorDefault, buffer, buffer.length, encoding, false);
if (cfstring != 0) {
int length = OS.CFStringGetLength(cfstring);
if (length != 0) {
char[] chars = new char[length];
CFRange range = new CFRange();
range.length = length;
OS.CFStringGetCharacters(cfstring, range, chars);
result = new String(chars);
}
OS.CFRelease(cfstring);
}
}
}
} else if (OS.GetScrapFlavorSize (scrap [0], OS.kScrapFlavorTypeText, size) == OS.noErr) {
if (size [0] != 0) {
byte [] buffer = new byte [size [0]];
if (OS.GetScrapFlavorData (scrap [0], OS.kScrapFlavorTypeText, size, buffer) == OS.noErr) {
int encoding = OS.CFStringGetSystemEncoding();
int cfstring = OS.CFStringCreateWithBytes(OS.kCFAllocatorDefault, buffer, buffer.length, encoding, false);
if (cfstring != 0) {
int length = OS.CFStringGetLength(cfstring);
if (length != 0) {
char[] chars = new char[length];
CFRange range = new CFRange();
range.length = length;
OS.CFStringGetCharacters(cfstring, range, chars);
result = new String(chars);
}
OS.CFRelease(cfstring);
}
}
}
}
return result;
}
Rectangle getControlBounds (int control) {
CGRect rect = new CGRect ();
OS.HIViewGetFrame (control, rect);
Rect inset = getInset ();
rect.x -= inset.left;
rect.y -= inset.top;
rect.width += inset.right + inset.left;
rect.height += inset.bottom + inset.top;
return new Rectangle ((int) rect.x, (int) rect.y, (int) rect.width, (int) rect.height);
}
Point getControlSize (int control) {
CGRect rect = new CGRect ();
OS.HIViewGetFrame (control, rect);
Rect inset = getInset ();
int width = (int) rect.width + inset.left + inset.right;
int height = (int) rect.height + inset.top + inset.bottom;
return new Point (width, height);
}
/**
* Returns the application defined widget data associated
* with the receiver, or null if it has not been set. The
* <em>widget data</em> is a single, unnamed field that is
* stored with every widget.
* <p>
* Applications may put arbitrary objects in this field. If
* the object stored in the widget data needs to be notified
* when the widget is disposed of, it is the application's
* responsibility to hook the Dispose event on the widget and
* do so.
* </p>
*
* @return the widget data
*
* @exception SWTException <ul>
* <li>ERROR_WIDGET_DISPOSED - when the receiver has been disposed</li>
* <li>ERROR_THREAD_INVALID_ACCESS - when called from the wrong thread</li>
* </ul>
*
* @see #setData(Object)
*/
public Object getData () {
checkWidget();
return (state & KEYED_DATA) != 0 ? ((Object []) data) [0] : data;
}
/**
* Returns the application defined property of the receiver
* with the specified name, or null if it has not been set.
* <p>
* Applications may have associated arbitrary objects with the
* receiver in this fashion. If the objects stored in the
* properties need to be notified when the widget is disposed
* of, it is the application's responsibility to hook the
* Dispose event on the widget and do so.
* </p>
*
* @param key the name of the property
* @return the value of the property or null if it has not been set
*
* @exception IllegalArgumentException <ul>
* <li>ERROR_NULL_ARGUMENT - if the key 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>
*
* @see #setData(String, Object)
*/
public Object getData (String key) {
checkWidget();
if (key == null) error (SWT.ERROR_NULL_ARGUMENT);
if (key.equals(IS_ACTIVE)) return new Boolean(isActive());
if ((state & KEYED_DATA) != 0) {
Object [] table = (Object []) data;
for (int i=1; i<table.length; i+=2) {
if (key.equals (table [i])) return table [i+1];
}
}
return null;
}
/**
* Returns the <code>Display</code> that is associated with
* the receiver.
* <p>
* A widget's display is either provided when it is created
* (for example, top level <code>Shell</code>s) or is the
* same as its parent's display.
* </p>
*
* @return the receiver's display
*
* @exception SWTException <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
* </ul>
*/
public Display getDisplay () {
Display display = this.display;
if (display == null) error (SWT.ERROR_WIDGET_DISPOSED);
return display;
}
boolean getDrawing () {
return true;
}
Rect getInset () {
return EMPTY_RECT;
}
/**
* Returns an array of listeners who will be notified when an event
* of the given type occurs. The event type is one of the event constants
* defined in class <code>SWT</code>.
*
* @param eventType the type of event to listen for
* @return an array of listeners that will be notified when the event occurs
*
* @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>
*
* @see Listener
* @see SWT
* @see #addListener(int, Listener)
* @see #removeListener(int, Listener)
* @see #notifyListeners
*
* @since 3.4
*/
public Listener[] getListeners (int eventType) {
checkWidget();
if (eventTable == null) return new Listener[0];
return eventTable.getListeners(eventType);
}
String getName () {
String string = getClass ().getName ();
int index = string.lastIndexOf ('.');
if (index == -1) return string;
return string.substring (index + 1, string.length ());
}
String getNameText () {
return "";
}
/**
* Returns the receiver's style information.
* <p>
* Note that the value which is returned by this method <em>may
* not match</em> the value which was provided to the constructor
* when the receiver was created. This can occur when the underlying
* operating system does not support a particular combination of
* requested styles. For example, if the platform widget used to
* implement a particular SWT widget always has scroll bars, the
* result of calling this method would always have the
* <code>SWT.H_SCROLL</code> and <code>SWT.V_SCROLL</code> bits set.
* </p>
*
* @return the style bits
*
* @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 getStyle () {
checkWidget();
return style;
}
int getVisibleRegion (int control, boolean clipChildren) {
int visibleRgn = OS.NewRgn ();
calculateVisibleRegion (control, visibleRgn, clipChildren);
return visibleRgn;
}
int helpProc (int inControl, int inGlobalMouse, int inRequest, int outContentProvided, int ioHelpContent) {
return OS.eventNotHandledErr;
}
int hitTestProc (int browser, int item, int property, int theRect, int mouseRect) {
/* Return true to indicate that the item can be selected */
return 1;
}
void hookEvents () {
}
boolean hooks (int eventType) {
if (eventTable == null) return false;
return eventTable.hooks (eventType);
}
void invalidateVisibleRegion (int control) {
}
void invalWindowRgn (int window, int rgn) {
OS.InvalWindowRgn (window, rgn);
}
boolean isActive () {
return true;
}
/**
* Returns <code>true</code> if the widget has been disposed,
* and <code>false</code> otherwise.
* <p>
* This method gets the dispose state for the widget.
* When a widget has been disposed, it is an error to
* invoke any other method (except {@link #dispose()}) using the widget.
* </p>
*
* @return <code>true</code> when the widget is disposed and <code>false</code> otherwise
*/
public boolean isDisposed () {
return (state & DISPOSED) != 0;
}
boolean isDrawing () {
return true;
}
boolean isEnabled () {
return true;
}
/**
* Returns <code>true</code> if there are any listeners
* for the specified event type associated with the receiver,
* and <code>false</code> otherwise. The event type is one of
* the event constants defined in class <code>SWT</code>.
*
* @param eventType the type of event
* @return true if the event is hooked
*
* @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>
*
* @see SWT
*/
public boolean isListening (int eventType) {
checkWidget();
return hooks (eventType);
}
boolean isTrimHandle (int trimHandle) {
return false;
}
boolean isValidSubclass () {
return Display.isValidClass (getClass ());
}
boolean isValidThread () {
return getDisplay ().isValidThread ();
}
int itemCompareProc (int browser, int itemOne, int itemTwo, int sortProperty) {
return OS.noErr;
}
int itemDataProc (int browser, int item, int property, int itemData, int setValue) {
return OS.noErr;
}
int itemNotificationProc (int browser, int item, int message) {
return OS.noErr;
}
int kEventAccessibleGetChildAtPoint (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventAccessibleGetFocusedChild (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventAccessibleGetAllAttributeNames (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventAccessibleGetNamedAttribute (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventProcessCommand (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventClockDateOrTimeChanged (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventControlApplyBackground (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventControlActivate (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventControlBoundsChanged (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventControlClick (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventControlContextualMenuClick (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventControlDeactivate (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventControlDraw (int nextHandler, int theEvent, int userData) {
int [] theControl = new int [1];
OS.GetEventParameter (theEvent, OS.kEventParamDirectObject, OS.typeControlRef, null, 4, null, theControl);
int [] region = new int [1];
OS.GetEventParameter (theEvent, OS.kEventParamRgnHandle, OS.typeQDRgnHandle, null, 4, null, region);
Display display = this.display;
boolean oldInPaint = display.inPaint;
display.inPaint = true;
int[] context = new int [1];
OS.GetEventParameter (theEvent, OS.kEventParamCGContextRef, OS.typeCGContextRef, null, 4, null, context);
int visibleRgn = region [0];
drawBackground (theControl [0], context [0]);
callPaintEventHandler (theControl [0], region [0], visibleRgn, theEvent, nextHandler);
drawWidget (theControl [0], context [0], region [0], visibleRgn, theEvent);
display.inPaint = oldInPaint;
return OS.noErr;
}
int kEventControlGetClickActivation (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventControlGetFocusPart (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventControlGetPartRegion (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventControlHit (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventControlHitTest (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventControlSetCursor (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventControlSetFocusPart (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventControlTrack (int nextHandler, int theEvent, int userData) {
int [] theControl = new int [1];
OS.GetEventParameter (theEvent, OS.kEventParamDirectObject, OS.typeControlRef, null, 4, null, theControl);
OS.CFRetain (theControl[0]);
int result = OS.CallNextEventHandler (nextHandler, theEvent);
OS.CFRelease (theControl[0]);
return result;
}
int kEventMenuCalculateSize (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventMenuClosed (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventMenuCreateFrameView (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventMenuDrawItem (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventMenuDrawItemContent (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventMenuGetFrameBounds (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventMenuMatchKey (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventMenuMeasureItemWidth (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventMenuOpening (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventMenuTargetItem (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventMouseDown (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventMouseDragged (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventMouseMoved (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventMouseUp (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventMouseWheelMoved (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventSearchFieldCancelClicked (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventSearchFieldSearchClicked (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventRawKeyDown (int nextHandler, int theEvent, int userData) {
return kEventRawKeyPressed (nextHandler, theEvent, userData);
}
int kEventRawKeyModifiersChanged (int nextHandler, int theEvent, int userData) {
Display display = this.display;
int [] modifiers = new int [1];
OS.GetEventParameter (theEvent, OS.kEventParamKeyModifiers, OS.typeUInt32, null, modifiers.length * 4, null, modifiers);
int lastModifiers = display.lastModifiers;
int chord = OS.GetCurrentEventButtonState ();
int type = SWT.KeyUp;
if ((modifiers [0] & OS.alphaLock) != 0 && (lastModifiers & OS.alphaLock) == 0) type = SWT.KeyDown;
if ((modifiers [0] & OS.shiftKey) != 0 && (lastModifiers & OS.shiftKey) == 0) type = SWT.KeyDown;
if ((modifiers [0] & OS.controlKey) != 0 && (lastModifiers & OS.controlKey) == 0) type = SWT.KeyDown;
if ((modifiers [0] & OS.cmdKey) != 0 && (lastModifiers & OS.cmdKey) == 0) type = SWT.KeyDown;
if ((modifiers [0] & OS.optionKey) != 0 && (lastModifiers & OS.optionKey) == 0) type = SWT.KeyDown;
if (type == SWT.KeyUp && (modifiers [0] & OS.alphaLock) == 0 && (lastModifiers & OS.alphaLock) != 0) {
Event event = new Event ();
event.keyCode = SWT.CAPS_LOCK;
setInputState (event, SWT.KeyDown, chord, modifiers [0]);
sendKeyEvent (SWT.KeyDown, event);
}
Event event = new Event ();
setInputState (event, type, chord, modifiers [0]);
if (event.keyCode == 0 && event.character == 0) return OS.eventNotHandledErr;
boolean result = sendKeyEvent (type, event);
if (type == SWT.KeyDown && (modifiers [0] & OS.alphaLock) != 0 && (lastModifiers & OS.alphaLock) == 0) {
event = new Event ();
event.keyCode = SWT.CAPS_LOCK;
setInputState (event, SWT.KeyUp, chord, modifiers [0]);
sendKeyEvent (SWT.KeyUp, event);
}
display.lastModifiers = modifiers [0];
return result ? OS.eventNotHandledErr : OS.noErr;
}
int kEventRawKeyPressed (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventRawKeyRepeat (int nextHandler, int theEvent, int userData) {
return kEventRawKeyPressed (nextHandler, theEvent, userData);
}
int kEventRawKeyUp (int nextHandler, int theEvent, int userData) {
if (!sendKeyEvent (SWT.KeyUp, theEvent)) return OS.noErr;
return OS.eventNotHandledErr;
}
int kEventTextInputUnicodeForKeyEvent (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventTextInputUpdateActiveInputArea (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventTextInputOffsetToPos (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventTextInputPosToOffset (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventTextInputGetSelectedText (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventWindowActivated (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventWindowBoundsChanged (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventWindowClose (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventWindowCollapsed (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventWindowCollapsing (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventWindowDeactivated (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventWindowDrawContent (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventWindowExpanded (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventWindowGetClickModality (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventWindowGetRegion (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventWindowHidden (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventWindowHitTest (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventWindowShown (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventWindowUpdate (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int kEventWindowZoom (int nextHandler, int theEvent, int userData) {
return OS.eventNotHandledErr;
}
int keyboardProc (int nextHandler, int theEvent, int userData) {
int eventKind = OS.GetEventKind (theEvent);
switch (eventKind) {
case OS.kEventRawKeyDown: return kEventRawKeyDown (nextHandler, theEvent, userData);
case OS.kEventRawKeyModifiersChanged: return kEventRawKeyModifiersChanged (nextHandler, theEvent, userData);
case OS.kEventRawKeyRepeat: return kEventRawKeyRepeat (nextHandler, theEvent, userData);
case OS.kEventRawKeyUp: return kEventRawKeyUp (nextHandler, theEvent, userData);
}
return OS.eventNotHandledErr;
}
int menuProc (int nextHandler, int theEvent, int userData) {
int eventKind = OS.GetEventKind (theEvent);
switch (eventKind) {
case OS.kEventMenuCalculateSize: return kEventMenuCalculateSize (nextHandler, theEvent, userData);
case OS.kEventMenuClosed: return kEventMenuClosed (nextHandler, theEvent, userData);
case OS.kEventMenuCreateFrameView: return kEventMenuCreateFrameView (nextHandler, theEvent, userData);
case OS.kEventMenuDrawItem: return kEventMenuDrawItem (nextHandler, theEvent, userData);
case OS.kEventMenuDrawItemContent: return kEventMenuDrawItemContent (nextHandler, theEvent, userData);
case OS.kEventMenuGetFrameBounds: return kEventMenuGetFrameBounds (nextHandler, theEvent, userData);
case OS.kEventMenuMatchKey: return kEventMenuMatchKey (nextHandler, theEvent, userData);
case OS.kEventMenuMeasureItemWidth: return kEventMenuMeasureItemWidth (nextHandler, theEvent, userData);
case OS.kEventMenuOpening: return kEventMenuOpening (nextHandler, theEvent, userData);
case OS.kEventMenuTargetItem: return kEventMenuTargetItem (nextHandler, theEvent, userData);
}
return OS.eventNotHandledErr;
}
int mouseProc (int nextHandler, int theEvent, int userData) {
int eventKind = OS.GetEventKind (theEvent);
switch (eventKind) {
case OS.kEventMouseDown: return kEventMouseDown (nextHandler, theEvent, userData);
case OS.kEventMouseUp: return kEventMouseUp (nextHandler, theEvent, userData);
case OS.kEventMouseDragged: return kEventMouseDragged (nextHandler, theEvent, userData);
// case OS.kEventMouseEntered: return kEventMouseEntered (nextHandler, theEvent, userData);
// case OS.kEventMouseExited: return kEventMouseExited (nextHandler, theEvent, userData);
case OS.kEventMouseMoved: return kEventMouseMoved (nextHandler, theEvent, userData);
case OS.kEventMouseWheelMoved: return kEventMouseWheelMoved (nextHandler, theEvent, userData);
}
return OS.eventNotHandledErr;
}
/**
* Notifies all of the receiver's listeners for events
* of the given type that one such event has occurred by
* invoking their <code>handleEvent()</code> method. The
* event type is one of the event constants defined in class
* <code>SWT</code>.
*
* @param eventType the type of event which has occurred
* @param event the event data
*
* @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>
*
* @see SWT
* @see #addListener
* @see #getListeners(int)
* @see #removeListener(int, Listener)
*/
public void notifyListeners (int eventType, Event event) {
checkWidget();
if (event == null) event = new Event ();
sendEvent (eventType, event);
}
void postEvent (int eventType) {
sendEvent (eventType, null, false);
}
void postEvent (int eventType, Event event) {
sendEvent (eventType, event, false);
}
void redrawChildren (int control) {
int child = OS.HIViewGetFirstSubview (control);
while (child != 0) {
OS.HIViewSetNeedsDisplay (child, true);
redrawChildren (child);
child = OS.HIViewGetNextView (child);
}
}
void redrawChildren (int control, int rgn) {
int child = OS.HIViewGetFirstSubview (control);
while (child != 0) {
OS.HIViewConvertRegion(rgn, control, child);
OS.HIViewSetNeedsDisplayInRegion (child, rgn, true);
redrawChildren (child, rgn);
OS.HIViewConvertRegion(rgn, child, control);
child = OS.HIViewGetNextView (child);
}
}
void redrawWidget (int control, boolean children) {
if (display.inPaint) {
int rgn = OS.NewRgn ();
Rect rect = new Rect ();
OS.GetControlBounds (control, rect);
rect.right += rect.left;
rect.bottom += rect.top;
rect.top = rect.left = 0;
OS.RectRgn (rgn, rect);
OS.HIViewConvertRegion (rgn, control, 0);
invalWindowRgn (0, rgn);
OS.DisposeRgn (rgn);
} else {
OS.HIViewSetNeedsDisplay (control, true);
if (children) redrawChildren (control);
}
}
void redrawWidget (int control, int x, int y, int width, int height, boolean children) {
int rgn = OS.NewRgn ();
Rect rect = new Rect ();
OS.SetRect (rect, (short) x, (short) y, (short) (x + width), (short) (y + height));
OS.RectRgn (rgn, rect);
if (display.inPaint) {
OS.HIViewConvertRegion (rgn, control, 0);
invalWindowRgn (0, rgn);
} else {
OS.HIViewSetNeedsDisplayInRegion (control, rgn, true);
if (children) redrawChildren (control, rgn);
}
OS.DisposeRgn (rgn);
}
void register () {
}
void release (boolean destroy) {
if ((state & DISPOSE_SENT) == 0) {
state |= DISPOSE_SENT;
sendEvent (SWT.Dispose);
}
if ((state & DISPOSED) == 0) {
releaseChildren (destroy);
}
if ((state & RELEASED) == 0) {
state |= RELEASED;
if (destroy) {
releaseParent ();
releaseWidget ();
destroyWidget ();
} else {
releaseWidget ();
releaseHandle ();
}
}
}
void releaseChildren (boolean destroy) {
}
void releaseHandle () {
state |= DISPOSED;
display = null;
}
void releaseParent () {
/* Do nothing */
}
void releaseWidget () {
deregister ();
eventTable = null;
data = null;
}
/**
* Removes the listener from the collection of listeners who will
* be notified when an event of the given type occurs. The event
* type is one of the event constants defined in class <code>SWT</code>.
*
* @param eventType the type of event to listen for
* @param listener the listener which should no longer be notified
*
* @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>
*
* @see Listener
* @see SWT
* @see #addListener
* @see #getListeners(int)
* @see #notifyListeners
*/
public void removeListener (int eventType, Listener handler) {
checkWidget();
if (handler == null) error (SWT.ERROR_NULL_ARGUMENT);
if (eventTable == null) return;
eventTable.unhook (eventType, handler);
}
/**
* Removes the listener from the collection of listeners who will
* be notified when an event of the given type occurs.
* <p>
* <b>IMPORTANT:</b> This method is <em>not</em> part of the SWT
* public API. It is marked public only so that it can be shared
* within the packages provided by SWT. It should never be
* referenced from application code.
* </p>
*
* @param eventType the type of event to listen for
* @param listener the listener which should no longer be notified
*
* @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>
*
* @see Listener
* @see #addListener
*
* @noreference This method is not intended to be referenced by clients.
*/
protected void removeListener (int eventType, SWTEventListener handler) {
checkWidget();
if (handler == null) error (SWT.ERROR_NULL_ARGUMENT);
if (eventTable == null) return;
eventTable.unhook (eventType, handler);
}
/**
* Marks the widget to be skinned.
* <p>
* The skin event is sent to the receiver's display when appropriate (usually before the next event
* is handled). Widgets are automatically marked for skinning upon creation as well as when its skin
* id or class changes. The skin id and/or class can be changed by calling <code>Display.setData(String, Object)</code>
* with the keys SWT.SKIN_ID and/or SWT.SKIN_CLASS. Once the skin event is sent to a widget, it
* will not be sent again unless <code>reskin(int)</code> is called on the widget or on an ancestor
* while specifying the <code>SWT.ALL</code> flag.
* </p>
* <p>
* The parameter <code>flags</code> may be either:
* <dl>
* <dt><b>SWT.ALL</b></dt>
* <dd>all children in the receiver's widget tree should be skinned</dd>
* <dt><b>SWT.NONE</b></dt>
* <dd>only the receiver should be skinned</dd>
* </dl>
* </p>
* @param flags the flags specifying how to reskin
*
* @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 3.6
*/
public void reskin (int flags) {
checkWidget ();
reskinWidget ();
if ((flags & SWT.ALL) != 0) reskinChildren (flags);
}
void reskinChildren (int flags) {
}
void reskinWidget() {
if ((state & SKIN_NEEDED) != SKIN_NEEDED) {
this.state |= SKIN_NEEDED;
display.addSkinnableWidget(this);
}
}
/**
* Removes the listener from the collection of listeners who will
* be notified when the widget is disposed.
*
* @param listener the listener which should no longer be notified
*
* @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>
*
* @see DisposeListener
* @see #addDisposeListener
*/
public void removeDisposeListener (DisposeListener listener) {
checkWidget();
if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
if (eventTable == null) return;
eventTable.unhook (SWT.Dispose, listener);
}
int searchProc (int nextHandler, int theEvent, int userData) {
int kind = OS.GetEventKind (theEvent);
switch (kind) {
case OS.kEventSearchFieldCancelClicked: return kEventSearchFieldCancelClicked (nextHandler, theEvent, userData);
case OS.kEventSearchFieldSearchClicked: return kEventSearchFieldSearchClicked (nextHandler, theEvent, userData);
}
return OS.eventNotHandledErr;
}
void sendEvent (Event event) {
Display display = event.display;
if (!display.filterEvent (event)) {
if (eventTable != null) eventTable.sendEvent (event);
}
}
void sendEvent (int eventType) {
sendEvent (eventType, null, true);
}
void sendEvent (int eventType, Event event) {
sendEvent (eventType, event, true);
}
void sendEvent (int eventType, Event event, boolean send) {
if (eventTable == null && !display.filters (eventType)) {
return;
}
if (event == null) event = new Event ();
event.type = eventType;
event.display = display;
event.widget = this;
if (event.time == 0) {
event.time = display.getLastEventTime ();
}
if (send) {
sendEvent (event);
} else {
display.postEvent (event);
}
}
boolean sendKeyEvent (int type, int theEvent) {
if ((state & WEBKIT_EVENTS_FIX) != 0) return true;
int [] length = new int [1];
int status = OS.GetEventParameter (theEvent, OS.kEventParamKeyUnicodes, OS.typeUnicodeText, null, 4, length, (char[])null);
if (status == OS.noErr && length [0] > 2) {
int count = 0;
int [] chord = new int [1];
OS.GetEventParameter (theEvent, OS.kEventParamMouseChord, OS.typeUInt32, null, 4, null, chord);
int [] modifiers = new int [1];
OS.GetEventParameter (theEvent, OS.kEventParamKeyModifiers, OS.typeUInt32, null, 4, null, modifiers);
char [] chars = new char [length [0] / 2];
OS.GetEventParameter (theEvent, OS.kEventParamKeyUnicodes, OS.typeUnicodeText, null, chars.length * 2, null, chars);
for (int i=0; i<chars.length; i++) {
Event event = new Event ();
event.character = chars [i];
setInputState (event, type, chord [0], modifiers [0]);
if (sendKeyEvent (type, event)) chars [count++] = chars [i];
}
if (count == 0) return false;
if (count != chars.length - 1) {
OS.SetEventParameter (theEvent, OS.kEventParamKeyUnicodes, OS.typeUnicodeText, count * 2, chars);
}
return true;
} else {
Event event = new Event ();
if (!setKeyState (event, type, theEvent)) return true;
return sendKeyEvent (type, event);
}
}
boolean sendKeyEvent (int type, Event event) {
sendEvent (type, event);
// widget could be disposed at this point
/*
* It is possible (but unlikely), that application
* code could have disposed the widget in the key
* events. If this happens, end the processing of
* the key by returning false.
*/
if (isDisposed ()) return false;
return event.doit;
}
void sendSelectionEvent (int eventType) {
sendSelectionEvent (eventType, null, false);
}
void sendSelectionEvent (int eventType, Event event, boolean send) {
if (eventTable == null && !display.filters (eventType)) {
return;
}
if (event == null) event = new Event ();
int chord = OS.GetCurrentEventButtonState ();
int modifiers = OS.GetCurrentEventKeyModifiers ();
setInputState (event, eventType, chord, modifiers);
sendEvent (eventType, event, send);
}
int setBounds (int control, int x, int y, int width, int height, boolean move, boolean resize, boolean events) {
boolean sameOrigin = true, sameExtent = true;
CGRect oldBounds = new CGRect ();
OS.HIViewGetFrame (control, oldBounds);
Rect inset = getInset ();
oldBounds.x -= inset.left;
oldBounds.y -= inset.top;
oldBounds.width += inset.left + inset.right;
oldBounds.height += inset.top + inset.bottom;
if (!move) {
x = (int) oldBounds.x;
y = (int) oldBounds.y;
}
if (!resize) {
width = (int) oldBounds.width;
height = (int) oldBounds.height;
}
CGRect newBounds = new CGRect ();
newBounds.x = x + inset.left;
newBounds.y = y + inset.top;
newBounds.width = width - inset.right - inset.left;
newBounds.height = height - inset.bottom - inset.top;
sameOrigin = newBounds.x == oldBounds.x && newBounds.y == oldBounds.y;
sameExtent = newBounds.width == oldBounds.width && newBounds.height == oldBounds.height;
if (sameOrigin && sameExtent) return 0;
OS.HIViewSetFrame (control, newBounds);
invalidateVisibleRegion (control);
/*
* Bug in the Macintosh. When HIViewSetDrawingEnabled() is used to
* turn off drawing for a control and the control is moved or resized,
* the Mac does not redraw the area where the control once was in the
* parent. The fix is to detect this case and redraw the area.
*/
if (!OS.HIViewIsDrawingEnabled (control)) {
int parent = OS.HIViewGetSuperview (control);
if (parent != 0 && OS.HIViewIsDrawingEnabled (parent)) {
int rgn = OS.NewRgn ();
Rect rect = new Rect ();
OS.SetRect (rect, (short) oldBounds.x, (short) oldBounds.y, (short) (oldBounds.x + oldBounds.width), (short) (oldBounds.y + oldBounds.height));
OS.RectRgn (rgn, rect);
if (display.inPaint) {
OS.HIViewConvertRegion (rgn, parent, 0);
invalWindowRgn (0, rgn);
} else {
OS.HIViewSetNeedsDisplayInRegion (parent, rgn, true);
}
OS.DisposeRgn (rgn);
}
}
/* Send events */
int result = 0;
if (move && !sameOrigin) {
if (events) sendEvent (SWT.Move);
result |= MOVED;
}
if (resize && !sameExtent) {
if (events) sendEvent (SWT.Resize);
result |= RESIZED;
}
return result;
}
/**
* Sets the application defined widget data associated
* with the receiver to be the argument. The <em>widget
* data</em> is a single, unnamed field that is stored
* with every widget.
* <p>
* Applications may put arbitrary objects in this field. If
* the object stored in the widget data needs to be notified
* when the widget is disposed of, it is the application's
* responsibility to hook the Dispose event on the widget and
* do so.
* </p>
*
* @param data the widget data
*
* @exception SWTException <ul>
* <li>ERROR_WIDGET_DISPOSED - when the receiver has been disposed</li>
* <li>ERROR_THREAD_INVALID_ACCESS - when called from the wrong thread</li>
* </ul>
*
* @see #getData()
*/
public void setData (Object data) {
checkWidget();
if (WEBKIT_EVENTS_FIX_KEY.equals(data)) {
state |= WEBKIT_EVENTS_FIX;
return;
}
if ((state & KEYED_DATA) != 0) {
((Object []) this.data) [0] = data;
} else {
this.data = data;
}
}
/**
* Sets the application defined property of the receiver
* with the specified name to the given value.
* <p>
* Applications may associate arbitrary objects with the
* receiver in this fashion. If the objects stored in the
* properties need to be notified when the widget is disposed
* of, it is the application's responsibility to hook the
* Dispose event on the widget and do so.
* </p>
*
* @param key the name of the property
* @param value the new value for the property
*
* @exception IllegalArgumentException <ul>
* <li>ERROR_NULL_ARGUMENT - if the key 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>
*
* @see #getData(String)
*/
public void setData (String key, Object value) {
checkWidget();
if (key == null) error (SWT.ERROR_NULL_ARGUMENT);
int index = 1;
Object [] table = null;
if ((state & KEYED_DATA) != 0) {
table = (Object []) data;
while (index < table.length) {
if (key.equals (table [index])) break;
index += 2;
}
}
if (value != null) {
if ((state & KEYED_DATA) != 0) {
if (index == table.length) {
Object [] newTable = new Object [table.length + 2];
System.arraycopy (table, 0, newTable, 0, table.length);
data = table = newTable;
}
} else {
table = new Object [3];
table [0] = data;
data = table;
state |= KEYED_DATA;
}
table [index] = key;
table [index + 1] = value;
} else {
if ((state & KEYED_DATA) != 0) {
if (index != table.length) {
int length = table.length - 2;
if (length == 1) {
data = table [0];
state &= ~KEYED_DATA;
} else {
Object [] newTable = new Object [length];
System.arraycopy (table, 0, newTable, 0, index);
System.arraycopy (table, index + 2, newTable, index, length - index);
data = newTable;
}
}
}
}
if (key.equals(SWT.SKIN_CLASS) || key.equals(SWT.SKIN_ID)) this.reskin(SWT.ALL);
}
boolean setInputState (Event event, int type, int chord, int modifiers) {
if ((chord & 0x01) != 0) event.stateMask |= SWT.BUTTON1;
if ((chord & 0x02) != 0) event.stateMask |= SWT.BUTTON3;
if ((chord & 0x04) != 0) event.stateMask |= SWT.BUTTON2;
if ((chord & 0x08) != 0) event.stateMask |= SWT.BUTTON4;
if ((chord & 0x10) != 0) event.stateMask |= SWT.BUTTON5;
if ((modifiers & OS.optionKey) != 0) event.stateMask |= SWT.ALT;
if ((modifiers & OS.shiftKey) != 0) event.stateMask |= SWT.SHIFT;
if ((modifiers & OS.controlKey) != 0) event.stateMask |= SWT.CONTROL;
if ((modifiers & OS.cmdKey) != 0) event.stateMask |= SWT.COMMAND;
switch (type) {
case SWT.MouseDown:
case SWT.MouseDoubleClick:
if (event.button == 1) event.stateMask &= ~SWT.BUTTON1;
if (event.button == 2) event.stateMask &= ~SWT.BUTTON2;
if (event.button == 3) event.stateMask &= ~SWT.BUTTON3;
if (event.button == 4) event.stateMask &= ~SWT.BUTTON4;
if (event.button == 5) event.stateMask &= ~SWT.BUTTON5;
break;
case SWT.MouseUp:
if (event.button == 1) event.stateMask |= SWT.BUTTON1;
if (event.button == 2) event.stateMask |= SWT.BUTTON2;
if (event.button == 3) event.stateMask |= SWT.BUTTON3;
if (event.button == 4) event.stateMask |= SWT.BUTTON4;
if (event.button == 5) event.stateMask |= SWT.BUTTON5;
break;
case SWT.KeyDown:
case SWT.Traverse: {
if (event.keyCode != 0 || event.character != 0) return true;
int lastModifiers = display.lastModifiers;
if ((modifiers & OS.alphaLock) != 0 && (lastModifiers & OS.alphaLock) == 0) {
event.keyCode = SWT.CAPS_LOCK;
return true;
}
if ((modifiers & OS.shiftKey) != 0 && (lastModifiers & OS.shiftKey) == 0) {
event.stateMask &= ~SWT.SHIFT;
event.keyCode = SWT.SHIFT;
return true;
}
if ((modifiers & OS.controlKey) != 0 && (lastModifiers & OS.controlKey) == 0) {
event.stateMask &= ~SWT.CONTROL;
event.keyCode = SWT.CONTROL;
return true;
}
if ((modifiers & OS.cmdKey) != 0 && (lastModifiers & OS.cmdKey) == 0) {
event.stateMask &= ~SWT.COMMAND;
event.keyCode = SWT.COMMAND;
return true;
}
if ((modifiers & OS.optionKey) != 0 && (lastModifiers & OS.optionKey) == 0) {
event.stateMask &= ~SWT.ALT;
event.keyCode = SWT.ALT;
return true;
}
break;
}
case SWT.KeyUp: {
if (event.keyCode != 0 || event.character != 0) return true;
int lastModifiers = display.lastModifiers;
if ((modifiers & OS.alphaLock) == 0 && (lastModifiers & OS.alphaLock) != 0) {
event.keyCode = SWT.CAPS_LOCK;
return true;
}
if ((modifiers & OS.shiftKey) == 0 && (lastModifiers & OS.shiftKey) != 0) {
event.stateMask |= SWT.SHIFT;
event.keyCode = SWT.SHIFT;
return true;
}
if ((modifiers & OS.controlKey) == 0 && (lastModifiers & OS.controlKey) != 0) {
event.stateMask |= SWT.CONTROL;
event.keyCode = SWT.CONTROL;
return true;
}
if ((modifiers & OS.cmdKey) == 0 && (lastModifiers & OS.cmdKey) != 0) {
event.stateMask |= SWT.COMMAND;
event.keyCode = SWT.COMMAND;
return true;
}
if ((modifiers & OS.optionKey) == 0 && (lastModifiers & OS.optionKey) != 0) {
event.stateMask |= SWT.ALT;
event.keyCode = SWT.ALT;
return true;
}
break;
}
}
return true;
}
boolean setKeyState (Event event, int type, int theEvent) {
boolean isNull = false;
int [] keyCode = new int [1];
OS.GetEventParameter (theEvent, OS.kEventParamKeyCode, OS.typeUInt32, null, keyCode.length * 4, null, keyCode);
event.keyCode = Display.translateKey (keyCode [0]);
switch (event.keyCode) {
case SWT.LF: {
/*
* Feature in the Macintosh. When the numeric key pad
* Enter key is pressed, it generates '\n'. This is the
* correct platform behavior but is not portable. The
* fix is to convert the '\n' into '\r'.
*/
event.keyCode = SWT.KEYPAD_CR;
event.character = '\r';
break;
}
case SWT.BS: event.character = '\b'; break;
case SWT.CR: event.character = '\r'; break;
case SWT.DEL: event.character = 0x7F; break;
case SWT.ESC: event.character = 0x1B; break;
case SWT.TAB: event.character = '\t'; break;
default: {
if (event.keyCode == 0 || (SWT.KEYPAD_MULTIPLY <= event.keyCode && event.keyCode <= SWT.KEYPAD_CR)) {
int [] length = new int [1];
int status = OS.GetEventParameter (theEvent, OS.kEventParamKeyUnicodes, OS.typeUnicodeText, null, 4, length, (char[])null);
if (status == OS.noErr && length [0] != 0) {
char [] chars = new char [1];
OS.GetEventParameter (theEvent, OS.kEventParamKeyUnicodes, OS.typeUnicodeText, null, 2, null, chars);
event.character = chars [0];
}
/*
* Bug in the Macintosh. For some reason, Ctrl+Shift+'2' and Ctrl+Shift+'6'
* fail to give 0x0 (^@ or ASCII NUL) and 0x1e (^^). Other control character
* key sequences such as ^A or even Ctrl+Shift+'-' (^_ or 0x1f) are correctly
* translated to control characters. Since it is not possible to know which
* key combination gives '@' on an international keyboard, there is no way to
* test for either character and convert it to a control character (Shift+'2'
* gives '@' only on an English keyboard) to work around the problem.
*
* There is no fix at this time.
*/
}
if (event.keyCode == 0) {
int kchrPtr = OS.GetScriptManagerVariable ((short) OS.smKCHRCache);
if (display.kchrPtr != kchrPtr) {
display.kchrPtr = kchrPtr;
display.kchrState [0] = 0;
}
int [] layoutRef = new int [1];
int layoutKind = OS.kKLKCHRKind;
if (OS.KLGetCurrentKeyboardLayout (layoutRef) == OS.noErr) {
int [] layoutKindRef = new int [1];
OS.KLGetKeyboardLayoutProperty (layoutRef[0], OS.kKLKind, layoutKindRef);
layoutKind = layoutKindRef [0];
}
if (layoutKind == OS.kKLuchrKind) {
int [] layoutPtr = new int [1];
OS.KLGetKeyboardLayoutProperty (layoutRef[0], OS.kKLuchrData, layoutPtr);
int maxStringLength = 256;
char [] output = new char [maxStringLength];
int [] actualStringLength = new int [1];
OS.UCKeyTranslate (layoutPtr[0], (short)keyCode[0], (short)OS.kUCKeyActionDown, 0, OS.LMGetKbdType (), 0, display.kchrState, maxStringLength, actualStringLength, output);
if (actualStringLength[0] < 1) {
// part of a multi-key key
event.keyCode = 0;
} else {
event.keyCode = output[0];
}
} else {
int result = OS.KeyTranslate (display.kchrPtr, (short)keyCode [0], display.kchrState);
if (result <= 0x7f) {
event.keyCode = result & 0x7f;
} else {
int [] encoding = new int [1];
short keyScript = (short) OS.GetScriptManagerVariable ((short) OS.smKeyScript);
short regionCode = (short) OS.GetScriptManagerVariable ((short) OS.smRegionCode);
if (OS.UpgradeScriptInfoToTextEncoding (keyScript, (short) OS.kTextLanguageDontCare, regionCode, null, encoding) == OS.paramErr) {
if (OS.UpgradeScriptInfoToTextEncoding (keyScript, (short) OS.kTextLanguageDontCare, (short) OS.kTextRegionDontCare, null, encoding) == OS.paramErr) {
encoding [0] = OS.kTextEncodingMacRoman;
}
}
int [] encodingInfo = new int [1];
OS.CreateTextToUnicodeInfoByEncoding (encoding [0], encodingInfo);
if (encodingInfo [0] != 0) {
char [] chars = new char [1];
int [] nchars = new int [1];
byte [] buffer = new byte [2];
buffer [0] = 1;
buffer [1] = (byte) (result & 0xFF);
OS.ConvertFromPStringToUnicode (encodingInfo [0], buffer, chars.length * 2, nchars, chars);
OS.DisposeTextToUnicodeInfo (encodingInfo);
event.keyCode = chars [0];
}
}
}
}
break;
}
}
if (event.keyCode == 0 && event.character == 0) {
if (!isNull) return false;
}
setLocationMask (event, keyCode [0]);
int [] chord = new int [1];
OS.GetEventParameter (theEvent, OS.kEventParamMouseChord, OS.typeUInt32, null, 4, null, chord);
int [] modifiers = new int [1];
OS.GetEventParameter (theEvent, OS.kEventParamKeyModifiers, OS.typeUInt32, null, 4, null, modifiers);
return setInputState (event, type, chord [0], modifiers [0]);
}
void setLocationMask (Event event, int keyCode) {
switch (keyCode) {
case 67: /* KEYPAD_MULTIPLY */
case 69: /* KEYPAD_ADD */
case 76: /* KEYPAD_CR */
case 78: /* KEYPAD_SUBTRACT */
case 65: /* KEYPAD_DECIMAL */
case 75: /* KEYPAD_DIVIDE */
case 82: /* KEYPAD_0 */
case 83: /* KEYPAD_1 */
case 84: /* KEYPAD_2 */
case 85: /* KEYPAD_3 */
case 86: /* KEYPAD_4 */
case 87: /* KEYPAD_5 */
case 88: /* KEYPAD_6 */
case 89: /* KEYPAD_7 */
case 91: /* KEYPAD_8 */
case 92: /* KEYPAD_9 */
case 81: /* KEYPAD_EQUAL */
event.keyLocation = SWT.KEYPAD;
break;
}
}
void setVisible (int control, boolean visible) {
OS.HIViewSetVisible (control, visible);
invalidateVisibleRegion (control);
}
void setZOrder (int control, int otheControl, boolean above) {
int inOp = above ? OS.kHIViewZOrderAbove : OS.kHIViewZOrderBelow;
OS.HIViewSetZOrder (control, inOp, otheControl);
invalidateVisibleRegion (control);
}
int textInputProc (int nextHandler, int theEvent, int userData) {
int eventKind = OS.GetEventKind (theEvent);
switch (eventKind) {
case OS.kEventTextInputUnicodeForKeyEvent: return kEventTextInputUnicodeForKeyEvent (nextHandler, theEvent, userData);
case OS.kEventTextInputUpdateActiveInputArea: return kEventTextInputUpdateActiveInputArea (nextHandler, theEvent, userData);
case OS.kEventTextInputOffsetToPos: return kEventTextInputOffsetToPos (nextHandler, theEvent, userData);
case OS.kEventTextInputPosToOffset: return kEventTextInputPosToOffset (nextHandler, theEvent, userData);
case OS.kEventTextInputGetSelectedText: return kEventTextInputGetSelectedText (nextHandler, theEvent, userData);
}
return OS.eventNotHandledErr;
}
RGBColor toRGBColor (float [] color) {
RGBColor rgb = new RGBColor ();
rgb.red = (short) (color [0] * 0xffff);
rgb.green = (short) (color [1] * 0xffff);
rgb.blue = (short) (color [2] * 0xffff);
return rgb;
}
/**
* Returns a string containing a concise, human-readable
* description of the receiver.
*
* @return a string representation of the receiver
*/
public String toString () {
String string = "*Disposed*";
if (!isDisposed ()) {
string = "*Wrong Thread*";
if (isValidThread ()) string = getNameText ();
}
return getName () + " {" + string + "}";
}
int trackingProc (int browser, int itemID, int property, int theRect, int startPt, int modifiers) {
/* Return one to indicate that the data browser should process the click */
return 1;
}
int windowProc (int nextHandler, int theEvent, int userData) {
int eventKind = OS.GetEventKind (theEvent);
switch (eventKind) {
case OS.kEventWindowActivated: return kEventWindowActivated (nextHandler, theEvent, userData);
case OS.kEventWindowBoundsChanged: return kEventWindowBoundsChanged (nextHandler, theEvent, userData);
case OS.kEventWindowClose: return kEventWindowClose (nextHandler, theEvent, userData);
case OS.kEventWindowCollapsed: return kEventWindowCollapsed (nextHandler, theEvent, userData);
case OS.kEventWindowCollapsing: return kEventWindowCollapsing (nextHandler, theEvent, userData);
case OS.kEventWindowDeactivated: return kEventWindowDeactivated (nextHandler, theEvent, userData);
case OS.kEventWindowDrawContent: return kEventWindowDrawContent (nextHandler, theEvent, userData);
case OS.kEventWindowExpanded: return kEventWindowExpanded (nextHandler, theEvent, userData);
case OS.kEventWindowGetRegion: return kEventWindowGetRegion (nextHandler, theEvent, userData);
case OS.kEventWindowHidden: return kEventWindowHidden (nextHandler, theEvent, userData);
case OS.kEventWindowHitTest: return kEventWindowHitTest (nextHandler, theEvent, userData);
case OS.kEventWindowShown: return kEventWindowShown (nextHandler, theEvent, userData);
case OS.kEventWindowUpdate: return kEventWindowUpdate (nextHandler, theEvent, userData);
case OS.kEventWindowGetClickModality: return kEventWindowGetClickModality (nextHandler, theEvent, userData);
case OS.kEventWindowZoom: return kEventWindowZoom (nextHandler, theEvent, userData);
}
return OS.eventNotHandledErr;
}
}