| package org.eclipse.swt.widgets; |
| |
| /* |
| * Copyright (c) 2000, 2002 IBM Corp. All rights reserved. |
| * This file is made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| */ |
| |
| import org.eclipse.swt.internal.*; |
| import org.eclipse.swt.internal.carbon.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 |
| */ |
| public abstract class Widget { |
| int style, state; |
| EventTable eventTable; |
| Object data; |
| String [] keys; |
| Object [] values; |
| |
| /* Global state flags */ |
| // static final int AUTOMATIC = 1 << 0; |
| // static final int ACTIVE = 1 << 1; |
| static final int GRAB = 1 << 2; |
| // static final int MULTIEXPOSE = 1 << 3; |
| // static final int RESIZEREDRAW = 1 << 4; |
| // static final int WRAP = 1 << 5; |
| static final int DISABLED = 1 << 6; |
| static final int HIDDEN = 1 << 7; |
| // static final int FOREGROUND = 1 << 8; |
| // static final int BACKGROUND = 1 << 9; |
| static final int DISPOSED = 1 << 10; |
| // static final int HANDLE = 1 << 11; |
| static final int CANVAS = 1 << 12; |
| static final int MOVED = 1 << 13; |
| static final int RESIZED = 1 << 14; |
| |
| static final int DEFAULT_WIDTH = 64; |
| static final int DEFAULT_HEIGHT = 64; |
| static final char Mnemonic = '&'; |
| |
| 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> |
| * </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; |
| } |
| |
| int actionProc (int theControl, int partCode) { |
| return OS.noErr; |
| } |
| |
| /** |
| * Adds the listener to the collection of listeners who will |
| * be notifed 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. |
| * |
| * @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 #removeListener |
| */ |
| public void addListener (int eventType, Listener handler) { |
| checkWidget(); |
| if (handler == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if (eventTable == null) eventTable = new EventTable (); |
| eventTable.hook (eventType, handler); |
| } |
| |
| /** |
| * Adds the listener to the collection of listeners who will |
| * be notifed 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 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.isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); |
| if (parent.isDisposed()) error (SWT.ERROR_INVALID_ARGUMENT); |
| } |
| |
| /** |
| * 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 () { |
| if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); |
| if (isDisposed ()) error (SWT.ERROR_WIDGET_DISPOSED); |
| } |
| |
| int colorProc (int inControl, int inMessage, int inDrawDepth, int inDrawInColor) { |
| 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.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); |
| } |
| return OS.eventNotHandledErr; |
| } |
| |
| 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.memcpy(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.memcpy(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.memcpy(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.memcpy(iconDataPtr, iconData, 4); |
| OS.memcpy(iconDataPtr[0], image.data, pixmapSize); |
| OS.HUnlock(iconData); |
| OS.memcpy(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.memcpy(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.memcpy(iconPtr[0] + PixMap.sizeof + 2 * BitMap.sizeof + 4, maskData, maskData.length); |
| } |
| |
| OS.HUnlock(iconHandle); |
| return iconHandle; |
| } |
| |
| void createHandle () { |
| } |
| |
| 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.memcpy(iconPtr, iconHandle, 4); |
| PixMap iconPMap = new PixMap(); |
| OS.memcpy(iconPMap, iconPtr[0], PixMap.sizeof); |
| if (iconPMap.pmTable != 0) OS.DisposeHandle(iconPMap.pmTable); |
| |
| /* Dispose the icon data */ |
| int[] iconData = new int[1]; |
| OS.memcpy(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 descendents. After this method has |
| * been invoked, the receiver and all descendents 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. |
| * <p> |
| * NOTE: This method is not called recursively on the descendents |
| * 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); |
| releaseChild (); |
| releaseWidget (); |
| destroyWidget (); |
| } |
| |
| void drawBackground (int control) { |
| /* Do nothing */ |
| } |
| |
| void drawBackground (int control, float [] background) { |
| Rect rect = new Rect (); |
| OS.GetControlBounds (control, rect); |
| if (background != null) { |
| OS.RGBForeColor (toRGBColor (background)); |
| OS.PaintRect (rect); |
| } else { |
| OS.SetThemeBackground((short) OS.kThemeBrushDialogBackgroundActive, (short) 0, true); |
| OS.EraseRect (rect); |
| } |
| } |
| |
| void drawFocus (int control, boolean hasFocus, boolean hasBorder, Rect inset) { |
| drawBackground (control, null); |
| Rect rect = new Rect (); |
| OS.GetControlBounds (control, rect); |
| rect.left += inset.left; |
| rect.top += inset.top; |
| rect.right -= inset.right; |
| rect.bottom -= inset.bottom; |
| int state = OS.IsControlActive (control) ? OS.kThemeStateActive : OS.kThemeStateInactive; |
| if (hasFocus) { |
| if (hasBorder) OS.DrawThemeEditTextFrame (rect, state); |
| OS.DrawThemeFocusRect (rect, true); |
| } else { |
| OS.DrawThemeFocusRect (rect, false); |
| if (hasBorder) OS.DrawThemeEditTextFrame (rect, state); |
| } |
| } |
| |
| void drawFocusClipped (int control, boolean hasFocus, boolean hasBorder, Rect inset) { |
| int visibleRgn = getVisibleRegion (control, true); |
| if (!OS.EmptyRgn (visibleRgn)) { |
| int [] currentPort = new int [1]; |
| OS.GetPort (currentPort); |
| int window = OS.GetControlOwner (control); |
| int port = OS.GetWindowPort (window); |
| OS.SetPort (port); |
| int oldClip = OS.NewRgn (); |
| OS.GetClip (oldClip); |
| OS.SetClip (visibleRgn); |
| drawFocus (control, hasFocus, hasBorder, inset); |
| OS.SetClip (oldClip); |
| OS.SetPort (currentPort [0]); |
| } |
| OS.DisposeRgn (visibleRgn); |
| } |
| |
| void drawWidget (int control, int damageRgn, int visibleRgn, int theEvent) { |
| } |
| |
| void error (int code) { |
| SWT.error(code); |
| } |
| |
| boolean filters (int eventType) { |
| Display display = getDisplay (); |
| return display.filters (eventType); |
| } |
| |
| Rect getControlBounds (int control) { |
| Rect rect = new Rect(); |
| OS.GetControlBounds (control, rect); |
| int window = OS.GetControlOwner (control); |
| int [] theRoot = new int [1]; |
| OS.GetRootControl (window, theRoot); |
| int [] parentHandle = new int [1]; |
| OS.GetSuperControl (control, parentHandle); |
| if (parentHandle [0] != theRoot [0]) { |
| Rect parentRect = new Rect (); |
| OS.GetControlBounds (parentHandle [0], parentRect); |
| OS.OffsetRect (rect, (short) -parentRect.left, (short) -parentRect.top); |
| } |
| Rect inset = getInset (); |
| rect.left -= inset.left; |
| rect.top -= inset.top; |
| rect.right += inset.right; |
| rect.bottom += inset.bottom; |
| return rect; |
| } |
| |
| Rect getControlSize (int control) { |
| Rect rect = new Rect (); |
| OS.GetControlBounds (control, rect); |
| Rect inset = getInset (); |
| rect.left -= inset.left; |
| rect.top -= inset.top; |
| rect.right += inset.right; |
| rect.bottom += inset.bottom; |
| return rect; |
| } |
| |
| /** |
| * 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 |
| */ |
| public Object getData () { |
| checkWidget(); |
| return 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 |
| */ |
| public Object getData (String key) { |
| checkWidget(); |
| if (key == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if (keys == null) return null; |
| for (int i=0; i<keys.length; i++) { |
| if (keys [i].equals (key)) return values [i]; |
| } |
| 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> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public abstract Display getDisplay (); |
| |
| 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 (); |
| int childRgn = OS.NewRgn (), tempRgn = OS.NewRgn (); |
| int window = OS.GetControlOwner (control); |
| int port = OS.GetWindowPort (window); |
| OS.GetPortVisibleRegion (port, visibleRgn); |
| short [] count = new short [1]; |
| int [] outControl = new int [1]; |
| int tempControl = control, lastControl = 0; |
| while (tempControl != 0) { |
| OS.GetControlRegion (tempControl, (short) OS.kControlStructureMetaPart, tempRgn); |
| 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)(i + 1), outControl); |
| int child = outControl [0]; |
| if (child == lastControl) break; |
| if (!OS.IsControlVisible (child)) continue; |
| OS.GetControlRegion (child, (short) OS.kControlStructureMetaPart, tempRgn); |
| OS.UnionRgn (tempRgn, childRgn, childRgn); |
| } |
| } |
| lastControl = tempControl; |
| OS.GetSuperControl (tempControl, outControl); |
| tempControl = outControl [0]; |
| } |
| OS.DiffRgn (visibleRgn, childRgn, visibleRgn); |
| OS.DisposeRgn (childRgn); |
| OS.DisposeRgn (tempRgn); |
| 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); |
| } |
| |
| int getDrawCount (int control) { |
| return 0; |
| } |
| |
| Rect getInset () { |
| return EMPTY_RECT; |
| } |
| |
| /** |
| * 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 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 (int control) { |
| return OS.IsControlVisible (control) && getDrawCount (control) == 0; |
| } |
| |
| 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. |
| * |
| * @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> |
| */ |
| protected 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 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 kEventProcessCommand (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); |
| if (getDrawCount (theControl [0]) > 0) return OS.noErr; |
| int [] region = new int [1]; |
| OS.GetEventParameter (theEvent, OS.kEventParamRgnHandle, OS.typeQDRgnHandle, null, 4, null, region); |
| int visibleRgn = getVisibleRegion (theControl [0], true); |
| OS.SectRgn(region [0], visibleRgn, visibleRgn); |
| if (!OS.EmptyRgn (visibleRgn)) { |
| int [] port = new int [1]; |
| OS.GetPort (port); |
| OS.LockPortBits (port [0]); |
| // OS.QDSetDirtyRegion (port, visibleRgn); |
| int oldClip = OS.NewRgn (); |
| OS.GetClip (oldClip); |
| OS.SetClip (visibleRgn); |
| drawBackground (theControl [0]); |
| OS.CallNextEventHandler (nextHandler, theEvent); |
| drawWidget (theControl [0], region [0], visibleRgn, theEvent); |
| OS.SetClip (oldClip); |
| OS.DisposeRgn (oldClip); |
| OS.UnlockPortBits (port [0]); |
| } |
| OS.DisposeRgn (visibleRgn); |
| return OS.noErr; |
| } |
| |
| int kEventControlHit (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) { |
| return OS.eventNotHandledErr; |
| } |
| |
| int kEventMenuClosed (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 kEventRawKeyUp (int nextHandler, int theEvent, int userData) { |
| return OS.eventNotHandledErr; |
| } |
| |
| int kEventRawKeyRepeat (int nextHandler, int theEvent, int userData) { |
| return OS.eventNotHandledErr; |
| } |
| |
| int kEventRawKeyModifiersChanged (int nextHandler, int theEvent, int userData) { |
| return OS.eventNotHandledErr; |
| } |
| |
| int kEventRawKeyDown (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 kEventWindowDeactivated (int nextHandler, int theEvent, int userData) { |
| return OS.eventNotHandledErr; |
| } |
| |
| int kEventWindowExpanded (int nextHandler, int theEvent, int userData) { |
| return OS.eventNotHandledErr; |
| } |
| |
| int kEventWindowHidden (int nextHandler, int theEvent, int userData) { |
| return OS.eventNotHandledErr; |
| } |
| |
| int kEventWindowShown (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.kEventMenuClosed: return kEventMenuClosed (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. |
| * |
| * @param eventType the type of event which has occurred |
| * @param event the event data |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the event is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void notifyListeners (int eventType, Event event) { |
| checkWidget(); |
| if (event == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if (eventTable == null) return; |
| event.type = eventType; |
| event.widget = this; |
| eventTable.sendEvent (event); |
| } |
| |
| void postEvent (int eventType) { |
| sendEvent (eventType, null, false); |
| } |
| |
| void postEvent (int eventType, Event event) { |
| sendEvent (eventType, event, false); |
| } |
| |
| void redrawWidget (int control, boolean children) { |
| if (!isDrawing (control)) return; |
| int window = OS.GetControlOwner (control); |
| int visibleRgn = getVisibleRegion (control, !children); |
| OS.InvalWindowRgn (window, visibleRgn); |
| OS.DisposeRgn (visibleRgn); |
| } |
| |
| void redrawWidget (int control, int x, int y, int width, int height, boolean children) { |
| if (!isDrawing (control)) return; |
| Rect rect = new Rect (); |
| OS.GetControlBounds (control, rect); |
| x += rect.left; |
| y += rect.top; |
| OS.SetRect (rect, (short) x, (short) y, (short) (x + width), (short) (y + height)); |
| int rectRgn = OS.NewRgn(); |
| OS.RectRgn (rectRgn, rect); |
| int visibleRgn = getVisibleRegion (control, !children); |
| OS.SectRgn (rectRgn, visibleRgn, visibleRgn); |
| int window = OS.GetControlOwner (control); |
| OS.InvalWindowRgn (window, visibleRgn); |
| OS.DisposeRgn (rectRgn); |
| OS.DisposeRgn (visibleRgn); |
| } |
| |
| void register () { |
| } |
| |
| void releaseChild () { |
| /* Do nothing */ |
| } |
| |
| void releaseHandle () { |
| state |= DISPOSED; |
| } |
| |
| void releaseResources () { |
| releaseWidget (); |
| releaseHandle (); |
| } |
| |
| void releaseWidget () { |
| sendEvent (SWT.Dispose); |
| deregister (); |
| eventTable = null; |
| data = null; |
| keys = null; |
| values = null; |
| } |
| |
| /** |
| * Removes the listener from the collection of listeners who will |
| * be notifed when an event of the given type occurs. |
| * |
| * @param eventType the type of event to listen for |
| * @param listener the listener which should no longer 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 #addListener |
| */ |
| 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 notifed 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 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 #addListener |
| */ |
| protected void removeListener (int eventType, SWTEventListener 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 notifed when the widget is disposed. |
| * |
| * @param listener the listener which should no longer 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 #addDisposeListener |
| */ |
| public void removeDisposeListener (DisposeListener listener) { |
| checkWidget(); |
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if (eventTable == null) return; |
| eventTable.unhook (SWT.Dispose, listener); |
| } |
| |
| 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) { |
| Display display = getDisplay (); |
| 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); |
| } |
| } |
| |
| int setBounds (int control, int x, int y, int width, int height, boolean move, boolean resize, boolean events) { |
| Rect inset = getInset (); |
| Rect oldBounds = new Rect (); |
| OS.GetControlBounds (control, oldBounds); |
| oldBounds.left -= inset.left; |
| oldBounds.top -= inset.top; |
| oldBounds.right += inset.right; |
| oldBounds.bottom += inset.bottom; |
| x += inset.left; |
| y += inset.top; |
| width -= (inset.left + inset.right); |
| height -= (inset.top + inset.bottom); |
| int window = OS.GetControlOwner (control); |
| if (move) { |
| int [] theRoot = new int [1]; |
| OS.GetRootControl (window, theRoot); |
| int [] parentHandle = new int [1]; |
| OS.GetSuperControl (control, parentHandle); |
| if (parentHandle [0] != theRoot [0]) { |
| Rect rect = new Rect (); |
| OS.GetControlBounds (parentHandle [0], rect); |
| x += rect.left; |
| y += rect.top; |
| } |
| } else { |
| x = oldBounds.left; |
| y = oldBounds.top; |
| } |
| if (!resize) { |
| width = oldBounds.right - oldBounds.left; |
| height = oldBounds.bottom - oldBounds.top; |
| } |
| width = Math.max (0, width); |
| height = Math.max (0, height); |
| boolean sameOrigin = x == oldBounds.left && y == oldBounds.top; |
| boolean sameExtent = width == (oldBounds.right - oldBounds.left) && height == (oldBounds.bottom - oldBounds.top); |
| if (sameOrigin && sameExtent) return 0; |
| Rect newBounds = new Rect (); |
| newBounds.left = (short) x; |
| newBounds.top = (short) y; |
| newBounds.right = (short) (x + width); |
| newBounds.bottom = (short) (y + height); |
| boolean visible = OS.IsControlVisible (control); |
| if (visible) OS.InvalWindowRect (window, oldBounds); |
| OS.SetControlBounds (control, newBounds); |
| if (visible) OS.InvalWindowRect (window, newBounds); |
| int result = 0; |
| if (move && !sameOrigin) { |
| if (events) sendEvent (SWT.Move); |
| result |= MOVED; |
| } |
| if (resize && !sameExtent) { |
| if (events) sendEvent (SWT.Move); |
| 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> |
| */ |
| public void setData (Object data) { |
| checkWidget(); |
| 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 |
| */ |
| public void setData (String key, Object value) { |
| checkWidget(); |
| if (key == null) error (SWT.ERROR_NULL_ARGUMENT); |
| |
| /* Remove the key/value pair */ |
| if (value == null) { |
| if (keys == null) return; |
| int index = 0; |
| while (index < keys.length && !keys [index].equals (key)) index++; |
| if (index == keys.length) return; |
| if (keys.length == 1) { |
| keys = null; |
| values = null; |
| } else { |
| String [] newKeys = new String [keys.length - 1]; |
| Object [] newValues = new Object [values.length - 1]; |
| System.arraycopy (keys, 0, newKeys, 0, index); |
| System.arraycopy (keys, index + 1, newKeys, index, newKeys.length - index); |
| System.arraycopy (values, 0, newValues, 0, index); |
| System.arraycopy (values, index + 1, newValues, index, newValues.length - index); |
| keys = newKeys; |
| values = newValues; |
| } |
| return; |
| } |
| |
| /* Add the key/value pair */ |
| if (keys == null) { |
| keys = new String [] {key}; |
| values = new Object [] {value}; |
| return; |
| } |
| for (int i=0; i<keys.length; i++) { |
| if (keys [i].equals (key)) { |
| values [i] = value; |
| return; |
| } |
| } |
| String [] newKeys = new String [keys.length + 1]; |
| Object [] newValues = new Object [values.length + 1]; |
| System.arraycopy (keys, 0, newKeys, 0, keys.length); |
| System.arraycopy (values, 0, newValues, 0, values.length); |
| newKeys [keys.length] = key; |
| newValues [values.length] = value; |
| keys = newKeys; |
| values = newValues; |
| } |
| |
| void setInputState (Event event, int theEvent) { |
| short [] button = new short [1]; |
| OS.GetEventParameter (theEvent, OS.kEventParamMouseButton, OS.typeMouseButton, null, 2, null, button); |
| 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); |
| setInputState (event, button [0], chord [0], modifiers [0]); |
| } |
| |
| void setInputState (Event event, short button, int chord, int modifiers) { |
| switch (button) { |
| case 1: event.button = 1; break; |
| case 2: event.button = 3; break; |
| case 3: event.button = 2; break; |
| } |
| 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 ((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 (event.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; |
| 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; |
| break; |
| case SWT.KeyDown: |
| case SWT.Traverse: { |
| if (event.keyCode != 0 || event.character != 0) return; |
| Display display = getDisplay (); |
| int lastModifiers = display.lastModifiers; |
| if ((modifiers & OS.shiftKey) != 0 && (lastModifiers & OS.shiftKey) == 0) { |
| event.stateMask &= ~SWT.SHIFT; |
| event.keyCode = SWT.SHIFT; |
| return; |
| } |
| if ((modifiers & OS.controlKey) != 0 && (lastModifiers & OS.controlKey) == 0) { |
| event.stateMask &= ~SWT.CONTROL; |
| event.keyCode = SWT.CONTROL; |
| return; |
| } |
| if ((modifiers & OS.cmdKey) != 0 && (lastModifiers & OS.cmdKey) == 0) { |
| event.stateMask &= ~SWT.COMMAND; |
| event.keyCode = SWT.COMMAND; |
| return; |
| } |
| if ((modifiers & OS.optionKey) != 0 && (lastModifiers & OS.optionKey) == 0) { |
| event.stateMask &= ~SWT.ALT; |
| event.keyCode = SWT.ALT; |
| return; |
| } |
| break; |
| } |
| case SWT.KeyUp: { |
| if (event.keyCode != 0 || event.character != 0) return; |
| Display display = getDisplay (); |
| int lastModifiers = display.lastModifiers; |
| if ((modifiers & OS.shiftKey) == 0 && (lastModifiers & OS.shiftKey) != 0) { |
| event.stateMask |= SWT.SHIFT; |
| event.keyCode = SWT.SHIFT; |
| return; |
| } |
| if ((modifiers & OS.controlKey) == 0 && (lastModifiers & OS.controlKey) != 0) { |
| event.stateMask |= SWT.CONTROL; |
| event.keyCode = SWT.CONTROL; |
| return; |
| } |
| if ((modifiers & OS.cmdKey) == 0 && (lastModifiers & OS.cmdKey) != 0) { |
| event.stateMask |= SWT.COMMAND; |
| event.keyCode = SWT.COMMAND; |
| return; |
| } |
| if ((modifiers & OS.optionKey) != 0 && (lastModifiers & OS.optionKey) == 0) { |
| event.stateMask |= SWT.ALT; |
| event.keyCode = SWT.ALT; |
| return; |
| } |
| break; |
| } |
| } |
| } |
| |
| void setKeyState (Event event, int theEvent) { |
| 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 0: |
| case SWT.BS: |
| case SWT.CR: |
| case SWT.DEL: |
| case SWT.ESC: |
| case SWT.TAB: { |
| byte [] charCode = new byte [1]; |
| OS.GetEventParameter (theEvent, OS.kEventParamKeyMacCharCodes, OS.typeChar, null, charCode.length, null, charCode); |
| event.character = (char) charCode [0]; |
| break; |
| } |
| case SWT.LF: |
| event.character = '\n'; |
| break; |
| } |
| setInputState (event, theEvent); |
| } |
| |
| void setVisible (int control, boolean visible) { |
| int visibleRgn = 0; |
| boolean drawing = getDrawCount (control) == 0; |
| if (drawing && !visible) visibleRgn = getVisibleRegion (control, false); |
| OS.SetControlVisibility (control, visible, false); |
| if (drawing && visible) visibleRgn = getVisibleRegion (control, false); |
| if (drawing) { |
| int window = OS.GetControlOwner (control); |
| OS.InvalWindowRgn (window, visibleRgn); |
| OS.DisposeRgn (visibleRgn); |
| } |
| } |
| |
| RGBColor toRGBColor (float [] color) { |
| int red = (short) (color [0] * 255); |
| int green = (short) (color [1] * 255); |
| int blue = (short) (color [2] * 255); |
| RGBColor rgb = new RGBColor (); |
| rgb.red = (short) (red << 8 | red); |
| rgb.green = (short) (green << 8 | green); |
| rgb.blue = (short) (blue << 8 | blue); |
| 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.kEventWindowDeactivated: return kEventWindowDeactivated (nextHandler, theEvent, userData); |
| case OS.kEventWindowExpanded: return kEventWindowExpanded (nextHandler, theEvent, userData); |
| case OS.kEventWindowHidden: return kEventWindowHidden (nextHandler, theEvent, userData); |
| case OS.kEventWindowShown: return kEventWindowShown (nextHandler, theEvent, userData); |
| } |
| return OS.eventNotHandledErr; |
| } |
| |
| } |