| package org.eclipse.swt.widgets; |
| |
| /* |
| * Copyright (c) 2000, 2002 IBM Corp. All rights reserved. |
| * This file is made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| */ |
| |
| import org.eclipse.swt.internal.*; |
| import org.eclipse.swt.internal.carbon.*; |
| import org.eclipse.swt.*; |
| 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 { |
| |
| public int handle; |
| int style, state; |
| EventTable eventTable; |
| Object data; |
| String [] keys; |
| Object [] values; |
| |
| /* Global state flags */ |
| // static final int AUTOMATIC = 0x00000001; |
| // static final int ACTIVE = 0x00000002; |
| // static final int AUTOGRAB = 0x00000004; |
| // static final int MULTIEXPOSE = 0x00000008; |
| // static final int RESIZEREDRAW = 0x00000010; |
| // static final int WRAP = 0x00000020; |
| // static final int DISABLED = 0x00000040; |
| // static final int HIDDEN = 0x00000080; |
| // static final int FOREGROUND = 0x00000100; |
| // static final int BACKGROUND = 0x00000200; |
| static final int DISPOSED = 0x00000400; |
| static final int HANDLE = 0x00000800; |
| static final int CANVAS = 0x00001000; |
| |
| static final int DEFAULT_WIDTH = 64; |
| static final int DEFAULT_HEIGHT = 64; |
| |
| /* Global widget variables */ |
| static final char Mnemonic = '&'; |
| |
| /* DBCS flags */ |
| /* AW |
| static final boolean IsDBLocale; |
| static { |
| IsDBLocale = OS.MB_CUR_MAX () != 1; |
| } |
| */ |
| 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) { |
| if (parent == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if (!parent.isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); |
| this.style = style; |
| } |
| /** |
| * 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 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); |
| } |
| void createHandle (int index) { |
| /* Do nothing */ |
| } |
| void createWidget (int index) { |
| createHandle (index); |
| hookEvents (); |
| register (); |
| manageChildren (); |
| } |
| void deregister () { |
| if (handle == 0) return; |
| WidgetTable.remove (handle); |
| } |
| void destroyWidget () { |
| int topHandle = topHandle (); |
| releaseHandle (); |
| if (topHandle != 0) { |
| if (OS.IsValidControlHandle(topHandle)) { |
| OS.DisposeControl(topHandle); |
| } else if (OS.IsValidWindowPtr(topHandle)) { |
| OS.DisposeWindow(topHandle); |
| } else { |
| System.out.println("Widget.destroyWidget: wrong handle"); |
| } |
| } |
| } |
| /** |
| * 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 enableHandle (boolean enabled, int widgetHandle) { |
| /* AW |
| int [] argList = {OS.XmNsensitive, enabled ? 1 : 0}; |
| OS.XtSetValues (widgetHandle, argList, argList.length / 2); |
| */ |
| if (enabled) |
| OS.EnableControl(widgetHandle); |
| else |
| OS.DisableControl(widgetHandle); |
| } |
| void error (int code) { |
| SWT.error(code); |
| } |
| /** |
| * 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; |
| } |
| void hookEvents () { |
| /* Do nothing */ |
| } |
| boolean hooks (int eventType) { |
| if (eventTable == null) return false; |
| return eventTable.hooks (eventType); |
| } |
| /** |
| * 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 () { |
| if (handle != 0) return false; |
| if ((state & HANDLE) != 0) return true; |
| return (state & DISPOSED) != 0; |
| } |
| /** |
| * Return the listening state. |
| * <p> |
| * Returns true if there is a listener, listening for the eventType. |
| * Otherwise, returns false. |
| * |
| * @param eventType the type of event |
| * @return true if the event is hooked |
| * |
| * @exception SWTError <ul> |
| * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> |
| * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> |
| * <li>ERROR_NULL_ARGUMENT when the name is null</li> |
| * </ul> |
| */ |
| protected boolean isListening (int eventType) { |
| checkWidget(); |
| return hooks (eventType); |
| } |
| boolean isValidSubclass () { |
| return Display.isValidClass (getClass ()); |
| } |
| boolean isValidThread () { |
| return getDisplay ().isValidThread (); |
| } |
| void manageChildren () { |
| /* Do nothing */ |
| } |
| char mbcsToWcs (char ch) { |
| return mbcsToWcs (ch, null); |
| } |
| char mbcsToWcs (char ch, String codePage) { |
| /* AW |
| int key = ch & 0xFFFF; |
| if (key <= 0x7F) return ch; |
| byte [] buffer; |
| if (key <= 0xFF) { |
| buffer = new byte [1]; |
| buffer [0] = (byte) key; |
| } else { |
| buffer = new byte [2]; |
| buffer [0] = (byte) ((key >> 8) & 0xFF); |
| buffer [1] = (byte) (key & 0xFF); |
| } |
| char [] result = Converter.mbcsToWcs (codePage, buffer); |
| if (result.length == 0) return 0; |
| return result [0]; |
| */ |
| return ch; |
| } |
| /** |
| * 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) { |
| if (eventTable == null) return; |
| postEvent (eventType, new Event ()); |
| } |
| void postEvent (int eventType, Event event) { |
| if (eventTable == null) return; |
| event.type = eventType; |
| event.widget = this; |
| Display display = getDisplay (); |
| if (event.time == 0) { |
| /* AW |
| event.time = OS.XtLastTimestampProcessed (display.xDisplay); |
| */ |
| event.time = (int)(OS.GetLastUserEventTime() * 1000.0); |
| } |
| display.postEvent (event); |
| } |
| int processArm (Object callData) { |
| return 0; |
| } |
| int processDispose (Object callData) { |
| return 0; |
| } |
| int processDefaultSelection (Object callData) { |
| return 0; |
| } |
| int processEvent (int eventNumber, Object callData) { |
| switch (eventNumber) { |
| case SWT.Arm: return processArm (callData); |
| case SWT.Dispose: return processDispose (callData); |
| case SWT.DefaultSelection: return processDefaultSelection (callData); |
| case SWT.FocusIn: return processSetFocus (callData); |
| case SWT.Help: return processHelp (callData); |
| case SWT.Hide: return processHide (callData); |
| case SWT.KeyDown: return processKeyDown (callData); |
| case SWT.KeyUp: return processKeyUp (callData); |
| case SWT.Modify: return processModify (callData); |
| case SWT.MouseDown: return processMouseDown (callData); |
| case SWT.MouseEnter: return processMouseEnter (callData); |
| case SWT.MouseExit: return processMouseExit (callData); |
| case SWT.MouseHover: return processMouseHover (callData); |
| case SWT.MouseMove: return processMouseMove (callData); |
| case SWT.MouseUp: return processMouseUp (callData); |
| case SWT.Paint: return processPaint (callData); |
| case SWT.Resize: return processResize (callData); |
| case SWT.Show: return processShow (callData); |
| case SWT.Selection: return processSelection (callData); |
| case SWT.Verify: return processVerify (callData); |
| case -1: return processNonMaskable (callData); |
| } |
| return 0; |
| } |
| int processHelp (Object callData) { |
| return 0; |
| } |
| int processHide (Object callData) { |
| return 0; |
| } |
| int processKeyDown (Object callData) { |
| return 0; |
| } |
| int processKeyUp (Object callData) { |
| return 0; |
| } |
| int processModify (Object callData) { |
| return 0; |
| } |
| int processMouseDown (Object callData) { |
| return 0; |
| } |
| int processMouseEnter (Object callData) { |
| return 0; |
| } |
| int processMouseExit (Object callData) { |
| return 0; |
| } |
| int processMouseHover (Object callData) { |
| return 0; |
| } |
| int processMouseMove (Object callData) { |
| return 0; |
| } |
| int processMouseUp (Object callData) { |
| return 0; |
| } |
| int processNonMaskable (Object callData) { |
| return 0; |
| } |
| int processPaint (Object callData) { |
| return 0; |
| } |
| int processResize (Object callData) { |
| return 0; |
| } |
| int processSelection (Object callData) { |
| return 0; |
| } |
| int processSetFocus (Object callData) { |
| return 0; |
| } |
| int processShow (Object callData) { |
| return 0; |
| } |
| int processVerify (Object callData) { |
| return 0; |
| } |
| void propagateHandle (boolean enabled, int widgetHandle) { |
| /* AW |
| int xDisplay = OS.XtDisplay (widgetHandle); |
| if (xDisplay == 0) return; |
| int xWindow = OS.XtWindow (widgetHandle); |
| if (xWindow == 0) return; |
| */ |
| /* |
| * Get the event mask from the widget. The event mask |
| * returned by XtBuildEventMask () includes the masks |
| * associated with all callbacks and event handlers |
| * that have been hooked on the widget. |
| */ |
| /* AW |
| int event_mask = OS.XtBuildEventMask (widgetHandle); |
| int do_not_propagate_mask = |
| OS.KeyPressMask | OS.KeyReleaseMask | OS.ButtonPressMask | |
| OS.ButtonReleaseMask | OS.PointerMotionMask; |
| if (!enabled) { |
| */ |
| /* |
| * Attempting to propogate EnterWindowMask and LeaveWindowMask |
| * causes an X error so these must be specially cleared out from |
| * the event mask, not included in the propogate mask. |
| */ |
| /* AW |
| event_mask &= ~(do_not_propagate_mask | OS.EnterWindowMask | OS.LeaveWindowMask); |
| do_not_propagate_mask = 0; |
| } |
| XSetWindowAttributes attributes = new XSetWindowAttributes (); |
| attributes.event_mask = event_mask; |
| attributes.do_not_propagate_mask = do_not_propagate_mask; |
| OS.XChangeWindowAttributes (xDisplay, xWindow, OS.CWDontPropagate | OS.CWEventMask, attributes); |
| int [] argList = {OS.XmNtraversalOn, enabled ? 1 : 0}; |
| OS.XtSetValues (widgetHandle, argList, argList.length / 2); |
| */ |
| } |
| final void redrawHandle (int x, int y, int width, int height, int widgetHandle, boolean all) { |
| /* AW |
| int display = OS.XtDisplay (widgetHandle); |
| if (display == 0) return; |
| int window = OS.XtWindow (widgetHandle); |
| if (window == 0) return; |
| int [] argList = {OS.XmNborderWidth, 0, OS.XmNborderColor, 0}; |
| OS.XtGetValues (widgetHandle, argList, argList.length / 2); |
| if (argList [1] != 0) { |
| */ |
| /* Force the border to repaint by setting the color */ |
| /* |
| OS.XtSetValues (widgetHandle, argList, argList.length / 2); |
| } |
| OS.XClearArea (display, window, x, y, width, height, true); |
| */ |
| |
| MacRect br= new MacRect(); |
| OS.GetControlBounds(widgetHandle, br.getData()); |
| if (!br.isEmpty()) { |
| x+= br.getX(); |
| y+= br.getY(); |
| if (width == 0) |
| width= br.getWidth(); |
| else |
| width+= 1; // AW workaround for Caret |
| if (height == 0) |
| height= br.getHeight(); |
| |
| int rgn= OS.NewRgn(); |
| OS.RectRgn(rgn, new MacRect(x, y, width, height).getData()); |
| |
| int region= OS.NewRgn(); |
| if (MacUtil.getVisibleRegion(widgetHandle, region, all) == OS.kNoErr) { |
| |
| OS.SectRgn(region, rgn, region); |
| |
| OS.InvalWindowRgn(OS.GetControlOwner(widgetHandle), region); |
| } |
| |
| OS.DisposeRgn(rgn); |
| OS.DisposeRgn(region); |
| } |
| } |
| void register () { |
| if (handle == 0) return; |
| WidgetTable.put (handle, this); |
| } |
| void releaseChild () { |
| /* Do nothing */ |
| } |
| void releaseHandle () { |
| handle = 0; |
| state |= DISPOSED; |
| } |
| 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 (int eventType) { |
| if (eventTable == null) return; |
| sendEvent (eventType, new Event ()); |
| } |
| void setInputState (Event event, MacEvent mEvent) { |
| int modifiers= mEvent.getModifiers(); |
| if ((modifiers & OS.optionKey) != 0) event.stateMask |= SWT.ALT; |
| if ((modifiers & OS.shiftKey) != 0) event.stateMask |= SWT.SHIFT; |
| |
| switch (mEvent.getWhat()) { |
| case OS.mouseDown: |
| case OS.mouseUp: |
| case 12345: |
| if ((modifiers & OS.controlKey) != 0) { |
| event.stateMask |= SWT.CONTROL; |
| if ((modifiers & OS.btnState) == 0) event.stateMask |= SWT.BUTTON3; |
| } else { |
| if ((modifiers & OS.btnState) == 0) event.stateMask |= SWT.BUTTON1; |
| } |
| break; |
| } |
| /* |
| if ((modifiers & 2) != 0) event.stateMask |= SWT.BUTTON2; |
| */ |
| } |
| void setKeyState (Event event, MacEvent mEvent) { |
| if (mEvent.getKeyCode() != 0) { |
| /* |
| byte [] buffer1 = new byte [1]; |
| int [] keysym = new int [1]; |
| if (OS.XLookupString (xEvent, buffer1, buffer1.length, keysym, null) == 0) { |
| if (OS.IsSunOS) { |
| if ((keysym [0] == 0x1005FF10) || (keysym [0] == 0x1005FF11)) { |
| if (keysym [0] == 0x1005FF10) keysym [0] = OS.XK_F11; |
| if (keysym [0] == 0x1005FF11) keysym [0] = OS.XK_F12; |
| } |
| } |
| event.keyCode = Display.translateKey (keysym [0] & 0xFFFF); |
| } else { |
| event.character = (char) buffer1 [0]; |
| } |
| */ |
| event.keyCode = Display.translateKey(mEvent.getKeyCode()); |
| //event.character= (char) mEvent.getCharacter(); |
| } |
| setInputState (event, mEvent); |
| } |
| void sendEvent (int eventType, Event event) { |
| if (eventTable == null) return; |
| event.type = eventType; |
| event.widget = this; |
| if (event.time == 0) { |
| Display display = getDisplay (); |
| event.time = (int)(OS.GetLastUserEventTime() * 1000.0); |
| } |
| eventTable.sendEvent (event); |
| } |
| /** |
| * 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; |
| } |
| |
| /** |
| * 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 topHandle () { |
| return handle; |
| } |
| /* |
| char wcsToMbcs (char ch) { |
| return wcsToMbcs (ch, null); |
| } |
| char wcsToMbcs (char ch, String codePage) { |
| int key = ch & 0xFFFF; |
| if (key <= 0x7F) return ch; |
| byte [] buffer = Converter.wcsToMbcs (codePage, new char [] {ch}, false); |
| if (buffer.length == 1) return (char) buffer [0]; |
| if (buffer.length == 2) { |
| return (char) (((buffer [0] & 0xFF) << 8) | (buffer [1] & 0xFF)); |
| } |
| return 0; |
| } |
| */ |
| |
| //////////////////////////////////////////// |
| // Mac stuff |
| //////////////////////////////////////////// |
| |
| static String removeMnemonics(String s) { |
| return MacUtil.removeMnemonics(s); |
| } |
| |
| } |