Mercurial > projects > dwt2
view org.eclipse.swt.win32.win32.x86/src/org/eclipse/swt/accessibility/Accessible.d @ 19:52184e4b815c
no more direct tango.core.Thread. Rename JThread to java.lang.Thread.
author | Frank Benoit <benoit@tionex.de> |
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date | Wed, 18 Mar 2009 10:55:25 +0100 |
parents | 43904fec5dca |
children | b98647bc0aef |
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/******************************************************************************* * Copyright (c) 2000, 2008 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 * Port to the D programming language: * Frank Benoit <benoit@tionex.de> *******************************************************************************/ module org.eclipse.swt.accessibility.Accessible; import org.eclipse.swt.SWT; import org.eclipse.swt.SWTException; import org.eclipse.swt.internal.ole.win32.COM; import org.eclipse.swt.internal.ole.win32.OAIDL; import org.eclipse.swt.internal.ole.win32.ifs; import org.eclipse.swt.internal.ole.win32.extras; import org.eclipse.swt.internal.win32.OS; import org.eclipse.swt.internal.SWTEventListener; import org.eclipse.swt.ole.win32.OLE; import org.eclipse.swt.ole.win32.Variant; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Table; import org.eclipse.swt.widgets.TableItem; import org.eclipse.swt.widgets.Tree; import org.eclipse.swt.widgets.TreeItem; import org.eclipse.swt.widgets.Widget; import org.eclipse.swt.accessibility.ACC; import org.eclipse.swt.accessibility.AccessibleControlListener; import org.eclipse.swt.accessibility.AccessibleListener; import org.eclipse.swt.accessibility.AccessibleTextListener; import org.eclipse.swt.accessibility.AccessibleControlEvent; import org.eclipse.swt.accessibility.AccessibleEvent; import java.lang.all; import java.util.Vector; import java.lang.Thread; /** * Instances of this class provide a bridge between application * code and assistive technology clients. Many platforms provide * default accessible behavior for most widgets, and this class * allows that default behavior to be overridden. Applications * can get the default Accessible object for a control by sending * it <code>getAccessible</code>, and then add an accessible listener * to override simple items like the name and help string, or they * can add an accessible control listener to override complex items. * As a rule of thumb, an application would only want to use the * accessible control listener to implement accessibility for a * custom control. * * @see Control#getAccessible * @see AccessibleListener * @see AccessibleEvent * @see AccessibleControlListener * @see AccessibleControlEvent * @see <a href="http://www.eclipse.org/swt/snippets/#accessibility">Accessibility snippets</a> * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> * * @since 2.0 */ public class Accessible { int refCount = 0, enumIndex = 0; _IAccessibleImpl objIAccessible; _IEnumVARIANTImpl objIEnumVARIANT; IAccessible iaccessible; Vector accessibleListeners; Vector accessibleControlListeners; Vector textListeners; Object[] variants; Control control; this(Control control) { accessibleListeners = new Vector(); accessibleControlListeners = new Vector(); textListeners = new Vector (); this.control = control; int /*long*/[] ppvObject = new int /*long*/[1]; /* CreateStdAccessibleObject([in] hwnd, [in] idObject, [in] riidInterface, [out] ppvObject). * AddRef has already been called on ppvObject by the callee and must be released by the caller. */ HRESULT result = COM.CreateStdAccessibleObject(control.handle, COM.OBJID_CLIENT, &COM.IIDIAccessible, cast(void**)&iaccessible); /* The object needs to be checked, because if the CreateStdAccessibleObject() * symbol is not found, the return value is S_OK. */ if (iaccessible is null) return; if (result !is COM.S_OK) OLE.error(OLE.ERROR_CANNOT_CREATE_OBJECT, result); objIAccessible = new _IAccessibleImpl(this); //PORTING_FIXME: i don't understand this... /+ int /*long*/ ppVtable = objIAccessible.ppVtable; int /*long*/[] pVtable = new int /*long*/[1]; COM.MoveMemory(pVtable, ppVtable, OS.PTR_SIZEOF); int /*long*/[] funcs = new int /*long*/[28]; COM.MoveMemory(funcs, pVtable[0], OS.PTR_SIZEOF * funcs.length); funcs[9] = COM.get_accChild_CALLBACK(funcs[9]); funcs[10] = COM.get_accName_CALLBACK(funcs[10]); funcs[11] = COM.get_accValue_CALLBACK(funcs[11]); funcs[12] = COM.get_accDescription_CALLBACK(funcs[12]); funcs[13] = COM.get_accRole_CALLBACK(funcs[13]); funcs[14] = COM.get_accState_CALLBACK(funcs[14]); funcs[15] = COM.get_accHelp_CALLBACK(funcs[15]); funcs[16] = COM.get_accHelpTopic_CALLBACK(funcs[16]); funcs[17] = COM.get_accKeyboardShortcut_CALLBACK(funcs[17]); funcs[20] = COM.get_accDefaultAction_CALLBACK(funcs[20]); funcs[21] = COM.accSelect_CALLBACK(funcs[21]); funcs[22] = COM.accLocation_CALLBACK(funcs[22]); funcs[23] = COM.accNavigate_CALLBACK(funcs[23]); funcs[25] = COM.accDoDefaultAction_CALLBACK(funcs[25]); funcs[26] = COM.put_accName_CALLBACK(funcs[26]); funcs[27] = COM.put_accValue_CALLBACK(funcs[27]); COM.MoveMemory(pVtable[0], funcs, OS.PTR_SIZEOF * funcs.length); +/ objIEnumVARIANT = new _IEnumVARIANTImpl(this) ; AddRef(); } /** * Invokes platform specific functionality to allocate a new accessible object. * <p> * <b>IMPORTANT:</b> This method is <em>not</em> part of the public * API for <code>Accessible</code>. It is marked public only so that it * can be shared within the packages provided by SWT. It is not * available on all platforms, and should never be called from * application code. * </p> * * @param control the control to get the accessible object for * @return the platform specific accessible object */ public static Accessible internal_new_Accessible(Control control) { return new Accessible(control); } /** * Adds the listener to the collection of listeners who will * be notified when an accessible client asks for certain strings, * such as name, description, help, or keyboard shortcut. The * listener is notified by sending it one of the messages defined * in the <code>AccessibleListener</code> interface. * * @param listener the listener that should be notified when the receiver * is asked for a name, description, help, or keyboard shortcut string * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control</li> * </ul> * * @see AccessibleListener * @see #removeAccessibleListener */ public void addAccessibleListener(AccessibleListener listener) { checkWidget(); if (listener is null) SWT.error(__FILE__, __LINE__, SWT.ERROR_NULL_ARGUMENT); accessibleListeners.addElement(cast(Object)listener); } /** * Adds the listener to the collection of listeners who will * be notified when an accessible client asks for custom control * specific information. The listener is notified by sending it * one of the messages defined in the <code>AccessibleControlListener</code> * interface. * * @param listener the listener that should be notified when the receiver * is asked for custom control specific information * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control</li> * </ul> * * @see AccessibleControlListener * @see #removeAccessibleControlListener */ public void addAccessibleControlListener(AccessibleControlListener listener) { checkWidget(); if (listener is null) SWT.error(__FILE__, __LINE__, SWT.ERROR_NULL_ARGUMENT); accessibleControlListeners.addElement(cast(Object)listener); } /** * Adds the listener to the collection of listeners who will * be notified when an accessible client asks for custom text control * specific information. The listener is notified by sending it * one of the messages defined in the <code>AccessibleTextListener</code> * interface. * * @param listener the listener that should be notified when the receiver * is asked for custom text control specific information * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control</li> * </ul> * * @see AccessibleTextListener * @see #removeAccessibleTextListener * * @since 3.0 */ public void addAccessibleTextListener (AccessibleTextListener listener) { checkWidget (); if (listener is null) SWT.error (SWT.ERROR_NULL_ARGUMENT); textListeners.addElement(cast(Object)listener); } /** * Returns the control for this Accessible object. * * @return the receiver's control * @since 3.0 */ public Control getControl() { return control; } /** * Invokes platform specific functionality to dispose an accessible object. * <p> * <b>IMPORTANT:</b> This method is <em>not</em> part of the public * API for <code>Accessible</code>. It is marked public only so that it * can be shared within the packages provided by SWT. It is not * available on all platforms, and should never be called from * application code. * </p> */ public void internal_dispose_Accessible() { if (iaccessible !is null) { iaccessible.Release(); } iaccessible = null; Release(); } /** * Invokes platform specific functionality to handle a window message. * <p> * <b>IMPORTANT:</b> This method is <em>not</em> part of the public * API for <code>Accessible</code>. It is marked public only so that it * can be shared within the packages provided by SWT. It is not * available on all platforms, and should never be called from * application code. * </p> */ public int /*long*/ internal_WM_GETOBJECT (int /*long*/ wParam, int /*long*/ lParam) { if (objIAccessible is null) return 0; if (lParam is COM.OBJID_CLIENT) { /* LresultFromObject([in] riid, [in] wParam, [in] pAcc) * The argument pAcc is owned by the caller so reference count does not * need to be incremented. */ return COM.LresultFromObject(&COM.IIDIAccessible, wParam, cast(IAccessible)objIAccessible); } return 0; } /** * Removes the listener from the collection of listeners who will * be notified when an accessible client asks for certain strings, * such as name, description, help, or keyboard shortcut. * * @param listener the listener that should no longer be notified when the receiver * is asked for a name, description, help, or keyboard shortcut string * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control</li> * </ul> * * @see AccessibleListener * @see #addAccessibleListener */ public void removeAccessibleListener(AccessibleListener listener) { checkWidget(); if (listener is null) SWT.error(__FILE__, __LINE__, SWT.ERROR_NULL_ARGUMENT); accessibleListeners.removeElement(cast(Object)listener); } /** * Removes the listener from the collection of listeners who will * be notified when an accessible client asks for custom control * specific information. * * @param listener the listener that should no longer be notified when the receiver * is asked for custom control specific information * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control</li> * </ul> * * @see AccessibleControlListener * @see #addAccessibleControlListener */ public void removeAccessibleControlListener(AccessibleControlListener listener) { checkWidget(); if (listener is null) SWT.error(__FILE__, __LINE__, SWT.ERROR_NULL_ARGUMENT); accessibleControlListeners.removeElement(cast(Object)listener); } /** * Removes the listener from the collection of listeners who will * be notified when an accessible client asks for custom text control * specific information. * * @param listener the listener that should no longer be notified when the receiver * is asked for custom text control specific information * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control</li> * </ul> * * @see AccessibleTextListener * @see #addAccessibleTextListener * * @since 3.0 */ public void removeAccessibleTextListener (AccessibleTextListener listener) { checkWidget (); if (listener is null) SWT.error (SWT.ERROR_NULL_ARGUMENT); textListeners.removeElement (cast(Object)listener); } /** * Sends a message to accessible clients that the child selection * within a custom container control has changed. * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control</li> * </ul> * * @since 3.0 */ public void selectionChanged () { checkWidget(); COM.NotifyWinEvent (COM.EVENT_OBJECT_SELECTIONWITHIN, control.handle, COM.OBJID_CLIENT, COM.CHILDID_SELF); } /** * Sends a message to accessible clients indicating that the focus * has changed within a custom control. * * @param childID an identifier specifying a child of the control * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control</li> * </ul> */ public void setFocus(int childID) { checkWidget(); COM.NotifyWinEvent (COM.EVENT_OBJECT_FOCUS, control.handle, COM.OBJID_CLIENT, childIDToOs(childID)); } /** * Sends a message to accessible clients that the text * caret has moved within a custom control. * * @param index the new caret index within the control * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control</li> * </ul> * * @since 3.0 */ public void textCaretMoved (int index) { checkWidget(); COM.NotifyWinEvent (COM.EVENT_OBJECT_LOCATIONCHANGE, control.handle, COM.OBJID_CARET, COM.CHILDID_SELF); } /** * Sends a message to accessible clients that the text * within a custom control has changed. * * @param type the type of change, one of <code>ACC.NOTIFY_TEXT_INSERT</code> * or <code>ACC.NOTIFY_TEXT_DELETE</code> * @param startIndex the text index within the control where the insertion or deletion begins * @param length the non-negative length in characters of the insertion or deletion * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control</li> * </ul> * * @see ACC#TEXT_INSERT * @see ACC#TEXT_DELETE * * @since 3.0 */ public void textChanged (int type, int startIndex, int length) { checkWidget(); COM.NotifyWinEvent (COM.EVENT_OBJECT_VALUECHANGE, control.handle, COM.OBJID_CLIENT, COM.CHILDID_SELF); } /** * Sends a message to accessible clients that the text * selection has changed within a custom control. * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control</li> * </ul> * * @since 3.0 */ public void textSelectionChanged () { checkWidget(); // not an MSAA event } /* QueryInterface([in] iid, [out] ppvObject) * Ownership of ppvObject transfers from callee to caller so reference count on ppvObject * must be incremented before returning. Caller is responsible for releasing ppvObject. */ HRESULT QueryInterface(REFIID riid, void** ppvObject) { if (iaccessible is null) return COM.CO_E_OBJNOTCONNECTED; if (COM.IsEqualGUID(riid, &COM.IIDIUnknown)) { *ppvObject = cast(void*)cast(IUnknown) objIAccessible; AddRef(); return COM.S_OK; } if (COM.IsEqualGUID(riid, &COM.IIDIDispatch)) { *ppvObject = cast(void*)cast(IDispatch) objIAccessible; AddRef(); return COM.S_OK; } if (COM.IsEqualGUID(riid, &COM.IIDIAccessible)) { *ppvObject = cast(void*)cast(IAccessible) objIAccessible; AddRef(); return COM.S_OK; } if (COM.IsEqualGUID(riid, &COM.IIDIEnumVARIANT)) { *ppvObject = cast(void*)cast(IEnumVARIANT) objIEnumVARIANT; AddRef(); enumIndex = 0; return COM.S_OK; } HRESULT result = iaccessible.QueryInterface(riid, ppvObject); return result; } ULONG AddRef() { refCount++; return refCount; } ULONG Release() { refCount--; if (refCount is 0) { objIAccessible = null; objIEnumVARIANT = null; } return refCount; } HRESULT accDoDefaultAction(VARIANT variant) { if (iaccessible is null) return COM.CO_E_OBJNOTCONNECTED; // Currently, we don't let the application override this. Forward to the proxy. int code = iaccessible.accDoDefaultAction(variant); if (code is COM.E_INVALIDARG) code = COM.S_FALSE; // proxy doesn't know about app childID return code; } HRESULT accHitTest(LONG xLeft, LONG yTop, VARIANT* pvarChild) { if (iaccessible is null) return COM.CO_E_OBJNOTCONNECTED; if (accessibleControlListeners.size() is 0) { return iaccessible.accHitTest(xLeft, yTop, pvarChild); } AccessibleControlEvent event = new AccessibleControlEvent(this); event.childID = ACC.CHILDID_NONE; event.x = xLeft; event.y = yTop; for (int i = 0; i < accessibleControlListeners.size(); i++) { AccessibleControlListener listener = cast(AccessibleControlListener) accessibleControlListeners.elementAt(i); listener.getChildAtPoint(event); } int childID = event.childID; if (childID is ACC.CHILDID_NONE) { return iaccessible.accHitTest(xLeft, yTop, pvarChild); } //TODO - use VARIANT structure pvarChild.vt = COM.VT_I4; pvarChild.lVal = childIDToOs(childID); return COM.S_OK; } HRESULT accLocation(LONG* pxLeft, LONG* pyTop, LONG* pcxWidth, LONG* pcyHeight, VARIANT variant) { if (iaccessible is null) return COM.CO_E_OBJNOTCONNECTED; VARIANT* v = &variant; //COM.MoveMemory(v, variant, VARIANT.sizeof); if ((v.vt & 0xFFFF) !is COM.VT_I4) return COM.E_INVALIDARG; /* Get the default location from the OS. */ int osLeft = 0, osTop = 0, osWidth = 0, osHeight = 0; int code = iaccessible.accLocation(pxLeft, pyTop, pcxWidth, pcyHeight, variant); if (code is COM.E_INVALIDARG) code = COM.S_FALSE; // proxy doesn't know about app childID if (accessibleControlListeners.size() is 0) return code; if (code is COM.S_OK) { int[1] pLeft, pTop, pWidth, pHeight; COM.MoveMemory(pLeft.ptr, pxLeft, 4); COM.MoveMemory(pTop.ptr, pyTop, 4); COM.MoveMemory(pWidth.ptr, pcxWidth, 4); COM.MoveMemory(pHeight.ptr, pcyHeight, 4); osLeft = pLeft[0]; osTop = pTop[0]; osWidth = pWidth[0]; osHeight = pHeight[0]; } AccessibleControlEvent event = new AccessibleControlEvent(this); event.childID = osToChildID(v.lVal); event.x = osLeft; event.y = osTop; event.width = osWidth; event.height = osHeight; for (int i = 0; i < accessibleControlListeners.size(); i++) { AccessibleControlListener listener = cast(AccessibleControlListener) accessibleControlListeners.elementAt(i); listener.getLocation(event); } OS.MoveMemory(pxLeft, &event.x, 4); OS.MoveMemory(pyTop, &event.y, 4); OS.MoveMemory(pcxWidth, &event.width, 4); OS.MoveMemory(pcyHeight, &event.height, 4); return COM.S_OK; } HRESULT accNavigate(LONG navDir, VARIANT variant, VARIANT* pvarEndUpAt) { if (iaccessible is null) return COM.CO_E_OBJNOTCONNECTED; // Currently, we don't let the application override this. Forward to the proxy. int code = iaccessible.accNavigate(navDir, variant, pvarEndUpAt); if (code is COM.E_INVALIDARG) code = COM.S_FALSE; // proxy doesn't know about app childID return code; } HRESULT accSelect(LONG flagsSelect, VARIANT variant) { if (iaccessible is null) return COM.CO_E_OBJNOTCONNECTED; // Currently, we don't let the application override this. Forward to the proxy. int code = iaccessible.accSelect(flagsSelect, variant); if (code is COM.E_INVALIDARG) code = COM.S_FALSE; // proxy doesn't know about app childID return code; } /* get_accChild([in] varChild, [out] ppdispChild) * Ownership of ppdispChild transfers from callee to caller so reference count on ppdispChild * must be incremented before returning. The caller is responsible for releasing ppdispChild. */ HRESULT get_accChild(VARIANT variant, LPDISPATCH* ppdispChild) { if (iaccessible is null) return COM.CO_E_OBJNOTCONNECTED; VARIANT* v = &variant; //COM.MoveMemory(v, variant, VARIANT.sizeof); if ((v.vt & 0xFFFF) !is COM.VT_I4) return COM.E_INVALIDARG; if (accessibleControlListeners.size() is 0) { int code = iaccessible.get_accChild(variant, ppdispChild); if (code is COM.E_INVALIDARG) code = COM.S_FALSE; // proxy doesn't know about app childID return code; } AccessibleControlEvent event = new AccessibleControlEvent(this); event.childID = osToChildID(v.lVal); for (int i = 0; i < accessibleControlListeners.size(); i++) { AccessibleControlListener listener = cast(AccessibleControlListener) accessibleControlListeners.elementAt(i); listener.getChild(event); } Accessible accessible = event.accessible; if (accessible !is null) { accessible.AddRef(); *ppdispChild = accessible.objIAccessible; return COM.S_OK; } return COM.S_FALSE; } HRESULT get_accChildCount(LONG* pcountChildren) { if (iaccessible is null) return COM.CO_E_OBJNOTCONNECTED; /* Get the default child count from the OS. */ int osChildCount = 0; int code = iaccessible.get_accChildCount(pcountChildren); if (accessibleControlListeners.size() is 0) return code; if (code is COM.S_OK) { int[1] pChildCount; COM.MoveMemory(pChildCount.ptr, pcountChildren, 4); osChildCount = pChildCount[0]; } AccessibleControlEvent event = new AccessibleControlEvent(this); event.childID = ACC.CHILDID_SELF; event.detail = osChildCount; for (int i = 0; i < accessibleControlListeners.size(); i++) { AccessibleControlListener listener = cast(AccessibleControlListener) accessibleControlListeners.elementAt(i); listener.getChildCount(event); } *pcountChildren = event.detail; return COM.S_OK; } HRESULT get_accDefaultAction(VARIANT variant, BSTR* pszDefaultAction) { if (iaccessible is null) return COM.CO_E_OBJNOTCONNECTED; VARIANT* v = &variant; //COM.MoveMemory(v, variant, VARIANT.sizeof); if ((v.vt & 0xFFFF) !is COM.VT_I4) return COM.E_INVALIDARG; /* Get the default defaultAction from the OS. */ String osDefaultAction = null; int code = iaccessible.get_accDefaultAction(variant, pszDefaultAction); if (code is COM.E_INVALIDARG) code = COM.S_FALSE; // proxy doesn't know about app childID if (accessibleControlListeners.size() is 0) return code; if (code is COM.S_OK) { osDefaultAction = BSTRToStr( *pszDefaultAction, true ); } AccessibleControlEvent event = new AccessibleControlEvent(this); event.childID = osToChildID(v.lVal); event.result = osDefaultAction; for (int i = 0; i < accessibleControlListeners.size(); i++) { AccessibleControlListener listener = cast(AccessibleControlListener) accessibleControlListeners.elementAt(i); listener.getDefaultAction(event); } if (event.result is null) return code; auto ptr = COM.SysAllocString(StrToWCHARz(event.result)); *pszDefaultAction = ptr; return COM.S_OK; } HRESULT get_accDescription(VARIANT variant, BSTR* pszDescription) { if (iaccessible is null) return COM.CO_E_OBJNOTCONNECTED; VARIANT* v = &variant; //COM.MoveMemory(v, variant, VARIANT.sizeof); if ((v.vt & 0xFFFF) !is COM.VT_I4) return COM.E_INVALIDARG; /* Get the default description from the OS. */ String osDescription = null; int code = iaccessible.get_accDescription(variant, pszDescription); if (code is COM.E_INVALIDARG) code = COM.S_FALSE; // proxy doesn't know about app childID // TEMPORARY CODE - process tree even if there are no apps listening if (accessibleListeners.size() is 0 && !( null is cast(Tree)control )) return code; if (code is COM.S_OK) { int size = COM.SysStringByteLen(*pszDescription); if (size > 0) { size = (size + 1) /2; osDescription = WCHARzToStr(*pszDescription, size); } } AccessibleEvent event = new AccessibleEvent(this); event.childID = osToChildID(v.lVal); event.result = osDescription; // TEMPORARY CODE /* Currently our tree columns are emulated using custom draw, * so we need to create the description using the tree column * header text and tree item text. */ if (v.lVal !is COM.CHILDID_SELF) { if (auto tree = cast(Tree)control ) { int columnCount = tree.getColumnCount (); if (columnCount > 1) { HWND hwnd = control.handle; int hItem; if (OS.COMCTL32_MAJOR >= 6) { hItem = OS.SendMessage (hwnd, OS.TVM_MAPACCIDTOHTREEITEM, v.lVal, 0); } else { hItem = v.lVal; } Widget widget = tree.getDisplay ().findWidget (hwnd, hItem); event.result = ""; if (widget !is null ) if( auto item = cast(TreeItem) widget ) { for (int i = 1; i < columnCount; i++) { event.result ~= tree.getColumn(i).getText() ~ ": " ~ item.getText(i); if (i + 1 < columnCount) event.result ~= ", "; } } } } } for (int i = 0; i < accessibleListeners.size(); i++) { AccessibleListener listener = cast(AccessibleListener) accessibleListeners.elementAt(i); listener.getDescription(event); } if (event.result is null) return code; auto ptr = COM.SysAllocString(StrToWCHARz(event.result)); *pszDescription = ptr; return COM.S_OK; } /* get_accFocus([out] int pvarChild) * Ownership of pvarChild transfers from callee to caller so reference count on pvarChild * must be incremented before returning. The caller is responsible for releasing pvarChild. */ HRESULT get_accFocus(VARIANT* pvarChild) { if (iaccessible is null) return COM.CO_E_OBJNOTCONNECTED; /* Get the default focus child from the OS. */ int osChild = ACC.CHILDID_NONE; int code = iaccessible.get_accFocus(pvarChild); if (accessibleControlListeners.size() is 0) return code; if (code is COM.S_OK) { //TODO - use VARIANT structure short[1] pvt; COM.MoveMemory(pvt.ptr, pvarChild, 2); if (pvt[0] is COM.VT_I4) { int[1] pChild; COM.MoveMemory(pChild.ptr, pvarChild + 8, 4); osChild = osToChildID(pChild[0]); } } AccessibleControlEvent event = new AccessibleControlEvent(this); event.childID = osChild; for (int i = 0; i < accessibleControlListeners.size(); i++) { AccessibleControlListener listener = cast(AccessibleControlListener) accessibleControlListeners.elementAt(i); listener.getFocus(event); } Accessible accessible = event.accessible; if (accessible !is null) { accessible.AddRef(); pvarChild.vt = COM.VT_DISPATCH; pvarChild.byRef = cast(void*)cast(IDispatch)accessible.objIAccessible; return COM.S_OK; } int childID = event.childID; if (childID is ACC.CHILDID_NONE) { pvarChild.vt = COM.VT_EMPTY; return COM.S_FALSE; } if (childID is ACC.CHILDID_SELF) { AddRef(); pvarChild.vt = COM.VT_DISPATCH; pvarChild.byRef = cast(void*)cast(IDispatch)objIAccessible; return COM.S_OK; } pvarChild.vt = COM.VT_I4; pvarChild.lVal = childIDToOs(childID); return COM.S_OK; } HRESULT get_accHelp(VARIANT variant, BSTR* pszHelp) { if (iaccessible is null) return COM.CO_E_OBJNOTCONNECTED; VARIANT* v = &variant; //COM.MoveMemory(v, variant, VARIANT.sizeof); if ((v.vt & 0xFFFF) !is COM.VT_I4) return COM.E_INVALIDARG; /* Get the default help string from the OS. */ String osHelp = null; int code = iaccessible.get_accHelp(variant, pszHelp); if (code is COM.E_INVALIDARG) code = COM.S_FALSE; // proxy doesn't know about app childID if (accessibleListeners.size() is 0) return code; if (code is COM.S_OK) { // the original SysString is clearuped and bstr set to null osHelp = BSTRToStr(*pszHelp, true); } AccessibleEvent event = new AccessibleEvent(this); event.childID = osToChildID(v.lVal); event.result = osHelp; for (int i = 0; i < accessibleListeners.size(); i++) { AccessibleListener listener = cast(AccessibleListener) accessibleListeners.elementAt(i); listener.getHelp(event); } if (event.result is null) return code; auto ptr = COM.SysAllocString(StrToWCHARz(event.result)); *pszHelp = ptr; return COM.S_OK; } HRESULT get_accHelpTopic(BSTR* pszHelpFile, VARIANT variant, LONG* pidTopic) { if (iaccessible is null) return COM.CO_E_OBJNOTCONNECTED; // Currently, we don't let the application override this. Forward to the proxy. int code = iaccessible.get_accHelpTopic(pszHelpFile, variant, pidTopic); if (code is COM.E_INVALIDARG) code = COM.S_FALSE; // proxy doesn't know about app childID return code; } HRESULT get_accKeyboardShortcut(VARIANT variant, BSTR* pszKeyboardShortcut) { if (iaccessible is null) return COM.CO_E_OBJNOTCONNECTED; VARIANT* v = &variant; //COM.MoveMemory(v, variant, VARIANT.sizeof); if ((v.vt & 0xFFFF) !is COM.VT_I4) return COM.E_INVALIDARG; /* Get the default keyboard shortcut from the OS. */ String osKeyboardShortcut = null; int code = iaccessible.get_accKeyboardShortcut(variant, pszKeyboardShortcut); if (code is COM.E_INVALIDARG) code = COM.S_FALSE; // proxy doesn't know about app childID if (accessibleListeners.size() is 0) return code; if (code is COM.S_OK) { // the original SysString is clearuped and bstr set to null osKeyboardShortcut = BSTRToStr(*pszKeyboardShortcut, true); } AccessibleEvent event = new AccessibleEvent(this); event.childID = osToChildID(v.lVal); event.result = osKeyboardShortcut; for (int i = 0; i < accessibleListeners.size(); i++) { AccessibleListener listener = cast(AccessibleListener) accessibleListeners.elementAt(i); listener.getKeyboardShortcut(event); } if (event.result is null) return code; auto ptr = COM.SysAllocString(StrToWCHARz(event.result)); *pszKeyboardShortcut = ptr; return COM.S_OK; } HRESULT get_accName(VARIANT variant, BSTR* pszName) { if (iaccessible is null) return COM.CO_E_OBJNOTCONNECTED; VARIANT* v = &variant; //COM.MoveMemory(v, variant, VARIANT.sizeof); if ((v.vt & 0xFFFF) !is COM.VT_I4) return COM.E_INVALIDARG; /* Get the default name from the OS. */ String osName = null; int code = iaccessible.get_accName(variant, pszName); if (code is COM.E_INVALIDARG) code = COM.S_FALSE; // proxy doesn't know about app childID if (accessibleListeners.size() is 0) return code; if (code is COM.S_OK) { // the original SysString is clearuped and bstr set to null osName = BSTRToStr(*pszName, true); } AccessibleEvent event = new AccessibleEvent(this); event.childID = osToChildID(v.lVal); event.result = osName; for (int i = 0; i < accessibleListeners.size(); i++) { AccessibleListener listener = cast(AccessibleListener) accessibleListeners.elementAt(i); listener.getName(event); } if (event.result is null) return code; auto ptr = COM.SysAllocString(StrToWCHARz(event.result)); *pszName = ptr; return COM.S_OK; } /* get_accParent([out] ppdispParent) * Ownership of ppdispParent transfers from callee to caller so reference count on ppdispParent * must be incremented before returning. The caller is responsible for releasing ppdispParent. */ HRESULT get_accParent(LPDISPATCH* ppdispParent) { if (iaccessible is null) return COM.CO_E_OBJNOTCONNECTED; // Currently, we don't let the application override this. Forward to the proxy. return iaccessible.get_accParent(ppdispParent); } HRESULT get_accRole(VARIANT variant, VARIANT* pvarRole) { if (iaccessible is null) return COM.CO_E_OBJNOTCONNECTED; VARIANT* v = &variant; //COM.MoveMemory(v, variant, VARIANT.sizeof); if ((v.vt & 0xFFFF) !is COM.VT_I4) return COM.E_INVALIDARG; /* Get the default role from the OS. */ int osRole = COM.ROLE_SYSTEM_CLIENT; int code = iaccessible.get_accRole(variant, pvarRole); if (code is COM.E_INVALIDARG) code = COM.S_FALSE; // proxy doesn't know about app childID // TEMPORARY CODE - process tree and table even if there are no apps listening if (accessibleControlListeners.size() is 0 && !( null !is cast(Tree)control || null !is cast(Table)control )) return code; if (code is COM.S_OK) { //TODO - use VARIANT structure short[1] pvt; COM.MoveMemory(pvt.ptr, pvarRole, 2); if (pvt[0] is COM.VT_I4) { int[1] pRole; COM.MoveMemory(pRole.ptr, pvarRole + 8, 4); osRole = pRole[0]; } } AccessibleControlEvent event = new AccessibleControlEvent(this); event.childID = osToChildID(v.lVal); event.detail = osToRole(osRole); // TEMPORARY CODE /* Currently our checkbox table and tree are emulated using state mask * images, so we need to specify 'checkbox' role for the items. */ if (v.lVal !is COM.CHILDID_SELF) { if ( null !is cast(Tree)control || null !is cast(Table)control ) { if ((control.getStyle() & SWT.CHECK) !is 0) event.detail = ACC.ROLE_CHECKBUTTON; } } for (int i = 0; i < accessibleControlListeners.size(); i++) { AccessibleControlListener listener = cast(AccessibleControlListener) accessibleControlListeners.elementAt(i); listener.getRole(event); } int role = roleToOs(event.detail); pvarRole.vt = COM.VT_I4; pvarRole.lVal = role; return COM.S_OK; } /* get_accSelection([out] pvarChildren) * Ownership of pvarChildren transfers from callee to caller so reference count on pvarChildren * must be incremented before returning. The caller is responsible for releasing pvarChildren. */ HRESULT get_accSelection(VARIANT* pvarChildren) { if (iaccessible is null) return COM.CO_E_OBJNOTCONNECTED; /* Get the default selection from the OS. */ int osChild = ACC.CHILDID_NONE; int code = iaccessible.get_accSelection(pvarChildren); if (accessibleControlListeners.size() is 0) return code; if (code is COM.S_OK) { //TODO - use VARIANT structure short[1] pvt; COM.MoveMemory(pvt.ptr, pvarChildren, 2); if (pvt[0] is COM.VT_I4) { int[1] pChild; COM.MoveMemory(pChild.ptr, pvarChildren + 8, 4); osChild = osToChildID(pChild[0]); } else if (pvt[0] is COM.VT_UNKNOWN) { osChild = ACC.CHILDID_MULTIPLE; /* Should get IEnumVARIANT from punkVal field, and enumerate children... */ } } AccessibleControlEvent event = new AccessibleControlEvent(this); event.childID = osChild; for (int i = 0; i < accessibleControlListeners.size(); i++) { AccessibleControlListener listener = cast(AccessibleControlListener) accessibleControlListeners.elementAt(i); listener.getSelection(event); } Accessible accessible = event.accessible; if (accessible !is null) { accessible.AddRef(); pvarChildren.vt = COM.VT_DISPATCH; pvarChildren.byRef = cast(void*)cast(IDispatch)accessible.objIAccessible; return COM.S_OK; } int childID = event.childID; if (childID is ACC.CHILDID_NONE) { pvarChildren.vt = COM.VT_EMPTY; return COM.S_FALSE; } if (childID is ACC.CHILDID_MULTIPLE) { AddRef(); pvarChildren.vt = COM.VT_UNKNOWN; pvarChildren.byRef = cast(void*)cast(IUnknown)objIAccessible; return COM.S_OK; } if (childID is ACC.CHILDID_SELF) { AddRef(); pvarChildren.vt = COM.VT_DISPATCH; pvarChildren.byRef = cast(void*)cast(IDispatch)objIAccessible; return COM.S_OK; } pvarChildren.vt = COM.VT_I4; pvarChildren.lVal = childIDToOs(childID); return COM.S_OK; } HRESULT get_accState(VARIANT variant, VARIANT* pvarState) { if (iaccessible is null) return COM.CO_E_OBJNOTCONNECTED; VARIANT* v = &variant; //COM.MoveMemory(v, variant, VARIANT.sizeof); if ((v.vt & 0xFFFF) !is COM.VT_I4) return COM.E_INVALIDARG; /* Get the default state from the OS. */ int osState = 0; int code = iaccessible.get_accState(variant, pvarState); if (code is COM.E_INVALIDARG) code = COM.S_FALSE; // proxy doesn't know about app childID // TEMPORARY CODE - process tree and table even if there are no apps listening if (accessibleControlListeners.size() is 0 && !( null !is cast(Tree)control || null !is cast(Table)control )) return code; if (code is COM.S_OK) { //TODO - use VARIANT structure short[1] pvt; COM.MoveMemory(pvt.ptr, pvarState, 2); if (pvt[0] is COM.VT_I4) { int[1] pState; COM.MoveMemory(pState.ptr, pvarState + 8, 4); osState = pState[0]; } } bool grayed = false; AccessibleControlEvent event = new AccessibleControlEvent(this); event.childID = osToChildID(v.lVal); event.detail = osToState(osState); // TEMPORARY CODE /* Currently our checkbox table and tree are emulated using state mask * images, so we need to determine if the item state is 'checked'. */ if (v.lVal !is COM.CHILDID_SELF) { if (null !is cast(Tree)control && (control.getStyle() & SWT.CHECK) !is 0) { auto hwnd = control.handle; TVITEM tvItem; tvItem.mask = OS.TVIF_HANDLE | OS.TVIF_STATE; tvItem.stateMask = OS.TVIS_STATEIMAGEMASK; if (OS.COMCTL32_MAJOR >= 6) { tvItem.hItem = cast(HTREEITEM) OS.SendMessage (hwnd, OS.TVM_MAPACCIDTOHTREEITEM, v.lVal, 0); } else { tvItem.hItem = cast(HTREEITEM) v.lVal; } auto result = OS.SendMessage (hwnd, OS.TVM_GETITEM, 0, &tvItem); bool checked = (result !is 0) && (((tvItem.state >> 12) & 1) is 0); if (checked) event.detail |= ACC.STATE_CHECKED; grayed = tvItem.state >> 12 > 2; } else if (null !is cast(Table)control && (control.getStyle() & SWT.CHECK) !is 0) { Table table = cast(Table) control; int index = event.childID; if (0 <= index && index < table.getItemCount()) { TableItem item = table.getItem(index); if (item.getChecked()) event.detail |= ACC.STATE_CHECKED; if (item.getGrayed()) grayed = true; } } } for (int i = 0; i < accessibleControlListeners.size(); i++) { AccessibleControlListener listener = cast(AccessibleControlListener) accessibleControlListeners.elementAt(i); listener.getState(event); } int state = stateToOs(event.detail); if ((state & ACC.STATE_CHECKED) !is 0 && grayed) { state &= ~ COM.STATE_SYSTEM_CHECKED; state |= COM.STATE_SYSTEM_MIXED; } pvarState.vt = COM.VT_I4; pvarState.lVal = state; return COM.S_OK; } HRESULT get_accValue(VARIANT variant, BSTR* pszValue) { if (iaccessible is null) return COM.CO_E_OBJNOTCONNECTED; VARIANT* v = &variant; //COM.MoveMemory(v, variant, VARIANT.sizeof); if ((v.vt & 0xFFFF) !is COM.VT_I4) return COM.E_INVALIDARG; /* Get the default value string from the OS. */ String osValue = null; int code = iaccessible.get_accValue(variant, pszValue); if (code is COM.E_INVALIDARG) code = COM.S_FALSE; // proxy doesn't know about app childID if (accessibleControlListeners.size() is 0) return code; if (code is COM.S_OK) { int size = COM.SysStringByteLen(*pszValue); if (size > 0) { osValue = WCHARsToStr((*pszValue)[ 0 .. size ]); } } AccessibleControlEvent event = new AccessibleControlEvent(this); event.childID = osToChildID(v.lVal); event.result = osValue; for (int i = 0; i < accessibleControlListeners.size(); i++) { AccessibleControlListener listener = cast(AccessibleControlListener) accessibleControlListeners.elementAt(i); listener.getValue(event); } if (event.result is null) return code; auto ptr = COM.SysAllocString(StrToWCHARz(event.result)); *pszValue = ptr; return COM.S_OK; } HRESULT put_accName(VARIANT variant, BSTR* szName) { // MSAA: this method is no longer supported if (iaccessible is null) return COM.CO_E_OBJNOTCONNECTED; // We don't implement this. Forward to the proxy. int code = iaccessible.put_accName(variant, szName); if (code is COM.E_INVALIDARG) code = COM.S_FALSE; // proxy doesn't know about app childID return code; } HRESULT put_accValue(VARIANT variant, BSTR* szValue) { // MSAA: this method is typically only used for edit controls if (iaccessible is null) return COM.CO_E_OBJNOTCONNECTED; // We don't implement this. Forward to the proxy. int code = iaccessible.put_accValue(variant, szValue); if (code is COM.E_INVALIDARG) code = COM.S_FALSE; // proxy doesn't know about app childID return code; } /* IEnumVARIANT methods: Next, Skip, Reset, Clone */ /* Retrieve the next celt items in the enumeration sequence. * If there are fewer than the requested number of elements left * in the sequence, retrieve the remaining elements. * The number of elements actually retrieved is returned in pceltFetched * (unless the caller passed in NULL for that parameter). */ /* Next([in] celt, [out] rgvar, [in, out] pceltFetched) * Ownership of rgvar transfers from callee to caller so reference count on rgvar * must be incremented before returning. The caller is responsible for releasing rgvar. */ HRESULT Next(ULONG celt, VARIANT *rgvar, ULONG *pceltFetched) { /* If there are no listeners, query the proxy for * its IEnumVariant, and get the Next items from it. */ if (accessibleControlListeners.size() is 0) { IEnumVARIANT ienumvariant; int code = iaccessible.QueryInterface(&COM.IIDIEnumVARIANT, cast(void**)&ienumvariant); if (code !is COM.S_OK) return code; uint[1] celtFetched; code = ienumvariant.Next(celt, rgvar, celtFetched.ptr); ienumvariant.Release(); COM.MoveMemory(pceltFetched, celtFetched.ptr, 4); return code; } if (rgvar is null) return COM.E_INVALIDARG; if (pceltFetched is null && celt !is 1) return COM.E_INVALIDARG; if (enumIndex is 0) { AccessibleControlEvent event = new AccessibleControlEvent(this); event.childID = ACC.CHILDID_SELF; for (int i = 0; i < accessibleControlListeners.size(); i++) { AccessibleControlListener listener = cast(AccessibleControlListener) accessibleControlListeners.elementAt(i); listener.getChildren(event); } variants = event.children; } Object[] nextItems = null; if (variants !is null && celt >= 1) { int endIndex = enumIndex + celt - 1; if (endIndex > (variants.length - 1)) endIndex = variants.length - 1; if (enumIndex <= endIndex) { nextItems = new Object[endIndex - enumIndex + 1]; for (int i = 0; i < nextItems.length; i++) { Object child = variants[enumIndex]; if (auto val = cast(ValueWrapperInt)child ) { nextItems[i] = new ValueWrapperInt(childIDToOs(val.value)); } else { nextItems[i] = child; } enumIndex++; } } } if (nextItems !is null) { for (int i = 0; i < nextItems.length; i++) { Object nextItem = nextItems[i]; if (auto val = cast(ValueWrapperInt)nextItem ) { int item = val.value; rgvar[i].vt = COM.VT_I4; rgvar[i].byRef = cast(void*)item; COM.MoveMemory(rgvar + i * VARIANT.sizeof + 8, &item, 4); } else { Accessible accessible = cast(Accessible) nextItem; accessible.AddRef(); rgvar[i].vt = COM.VT_DISPATCH; rgvar[i].byRef = cast(void*)accessible.objIAccessible; } } if (pceltFetched !is null) *pceltFetched = nextItems.length; if (nextItems.length is celt) return COM.S_OK; } else { if (pceltFetched !is null){ int zero = 0; *pceltFetched = 0; } } return COM.S_FALSE; } /* Skip over the specified number of elements in the enumeration sequence. */ HRESULT Skip(ULONG celt) { /* If there are no listeners, query the proxy * for its IEnumVariant, and tell it to Skip. */ if (accessibleControlListeners.size() is 0) { IEnumVARIANT ienumvariant; int code = iaccessible.QueryInterface(&COM.IIDIEnumVARIANT, cast(void**)&ienumvariant); if (code !is COM.S_OK) return code; code = ienumvariant.Skip(celt); ienumvariant.Release(); return code; } if (celt < 1 ) return COM.E_INVALIDARG; enumIndex += celt; if (enumIndex > (variants.length - 1)) { enumIndex = variants.length - 1; return COM.S_FALSE; } return COM.S_OK; } /* Reset the enumeration sequence to the beginning. */ HRESULT Reset() { /* If there are no listeners, query the proxy * for its IEnumVariant, and tell it to Reset. */ if (accessibleControlListeners.size() is 0) { IEnumVARIANT ienumvariant; int code = iaccessible.QueryInterface(&COM.IIDIEnumVARIANT, cast(void**)&ienumvariant); if (code !is COM.S_OK) return code; code = ienumvariant.Reset(); ienumvariant.Release(); return code; } enumIndex = 0; return COM.S_OK; } /* Clone([out] ppEnum) * Ownership of ppEnum transfers from callee to caller so reference count on ppEnum * must be incremented before returning. The caller is responsible for releasing ppEnum. */ int Clone(IEnumVARIANT* ppEnum) { /* If there are no listeners, query the proxy for * its IEnumVariant, and get the Clone from it. */ if (accessibleControlListeners.size() is 0) { IEnumVARIANT ienumvariant; int code = iaccessible.QueryInterface(&COM.IIDIEnumVARIANT, cast(void**)&ienumvariant); if (code !is COM.S_OK) return code; IEnumVARIANT[1] pEnum; code = ienumvariant.Clone(pEnum.ptr); ienumvariant.Release(); COM.MoveMemory(ppEnum, pEnum.ptr, (void*).sizeof); return code; } if (ppEnum is null) return COM.E_INVALIDARG; *ppEnum = objIEnumVARIANT; AddRef(); return COM.S_OK; } int childIDToOs(int childID) { if (childID is ACC.CHILDID_SELF) return COM.CHILDID_SELF; /* * Feature of Windows: * In Windows XP, tree item ids are 1-based indices. Previous versions * of Windows use the tree item handle for the accessible child ID. * For backward compatibility, we still take a handle childID for tree * items on XP. All other childIDs are 1-based indices. */ if (!(cast(Tree)control )) return childID + 1; if (OS.COMCTL32_MAJOR < 6) return childID; return OS.SendMessage (control.handle, OS.TVM_MAPHTREEITEMTOACCID, childID, 0); } int osToChildID(int osChildID) { if (osChildID is COM.CHILDID_SELF) return ACC.CHILDID_SELF; /* * Feature of Windows: * In Windows XP, tree item ids are 1-based indices. Previous versions * of Windows use the tree item handle for the accessible child ID. * For backward compatibility, we still take a handle childID for tree * items on XP. All other childIDs are 1-based indices. */ if (!(cast(Tree)control )) return osChildID - 1; if (OS.COMCTL32_MAJOR < 6) return osChildID; return OS.SendMessage (control.handle, OS.TVM_MAPACCIDTOHTREEITEM, osChildID, 0); } int stateToOs(int state) { int osState = 0; if ((state & ACC.STATE_SELECTED) !is 0) osState |= COM.STATE_SYSTEM_SELECTED; if ((state & ACC.STATE_SELECTABLE) !is 0) osState |= COM.STATE_SYSTEM_SELECTABLE; if ((state & ACC.STATE_MULTISELECTABLE) !is 0) osState |= COM.STATE_SYSTEM_MULTISELECTABLE; if ((state & ACC.STATE_FOCUSED) !is 0) osState |= COM.STATE_SYSTEM_FOCUSED; if ((state & ACC.STATE_FOCUSABLE) !is 0) osState |= COM.STATE_SYSTEM_FOCUSABLE; if ((state & ACC.STATE_PRESSED) !is 0) osState |= COM.STATE_SYSTEM_PRESSED; if ((state & ACC.STATE_CHECKED) !is 0) osState |= COM.STATE_SYSTEM_CHECKED; if ((state & ACC.STATE_EXPANDED) !is 0) osState |= COM.STATE_SYSTEM_EXPANDED; if ((state & ACC.STATE_COLLAPSED) !is 0) osState |= COM.STATE_SYSTEM_COLLAPSED; if ((state & ACC.STATE_HOTTRACKED) !is 0) osState |= COM.STATE_SYSTEM_HOTTRACKED; if ((state & ACC.STATE_BUSY) !is 0) osState |= COM.STATE_SYSTEM_BUSY; if ((state & ACC.STATE_READONLY) !is 0) osState |= COM.STATE_SYSTEM_READONLY; if ((state & ACC.STATE_INVISIBLE) !is 0) osState |= COM.STATE_SYSTEM_INVISIBLE; if ((state & ACC.STATE_OFFSCREEN) !is 0) osState |= COM.STATE_SYSTEM_OFFSCREEN; if ((state & ACC.STATE_SIZEABLE) !is 0) osState |= COM.STATE_SYSTEM_SIZEABLE; if ((state & ACC.STATE_LINKED) !is 0) osState |= COM.STATE_SYSTEM_LINKED; return osState; } int osToState(int osState) { int state = ACC.STATE_NORMAL; if ((osState & COM.STATE_SYSTEM_SELECTED) !is 0) state |= ACC.STATE_SELECTED; if ((osState & COM.STATE_SYSTEM_SELECTABLE) !is 0) state |= ACC.STATE_SELECTABLE; if ((osState & COM.STATE_SYSTEM_MULTISELECTABLE) !is 0) state |= ACC.STATE_MULTISELECTABLE; if ((osState & COM.STATE_SYSTEM_FOCUSED) !is 0) state |= ACC.STATE_FOCUSED; if ((osState & COM.STATE_SYSTEM_FOCUSABLE) !is 0) state |= ACC.STATE_FOCUSABLE; if ((osState & COM.STATE_SYSTEM_PRESSED) !is 0) state |= ACC.STATE_PRESSED; if ((osState & COM.STATE_SYSTEM_CHECKED) !is 0) state |= ACC.STATE_CHECKED; if ((osState & COM.STATE_SYSTEM_EXPANDED) !is 0) state |= ACC.STATE_EXPANDED; if ((osState & COM.STATE_SYSTEM_COLLAPSED) !is 0) state |= ACC.STATE_COLLAPSED; if ((osState & COM.STATE_SYSTEM_HOTTRACKED) !is 0) state |= ACC.STATE_HOTTRACKED; if ((osState & COM.STATE_SYSTEM_BUSY) !is 0) state |= ACC.STATE_BUSY; if ((osState & COM.STATE_SYSTEM_READONLY) !is 0) state |= ACC.STATE_READONLY; if ((osState & COM.STATE_SYSTEM_INVISIBLE) !is 0) state |= ACC.STATE_INVISIBLE; if ((osState & COM.STATE_SYSTEM_OFFSCREEN) !is 0) state |= ACC.STATE_OFFSCREEN; if ((osState & COM.STATE_SYSTEM_SIZEABLE) !is 0) state |= ACC.STATE_SIZEABLE; if ((osState & COM.STATE_SYSTEM_LINKED) !is 0) state |= ACC.STATE_LINKED; return state; } int roleToOs(int role) { switch (role) { case ACC.ROLE_CLIENT_AREA: return COM.ROLE_SYSTEM_CLIENT; case ACC.ROLE_WINDOW: return COM.ROLE_SYSTEM_WINDOW; case ACC.ROLE_MENUBAR: return COM.ROLE_SYSTEM_MENUBAR; case ACC.ROLE_MENU: return COM.ROLE_SYSTEM_MENUPOPUP; case ACC.ROLE_MENUITEM: return COM.ROLE_SYSTEM_MENUITEM; case ACC.ROLE_SEPARATOR: return COM.ROLE_SYSTEM_SEPARATOR; case ACC.ROLE_TOOLTIP: return COM.ROLE_SYSTEM_TOOLTIP; case ACC.ROLE_SCROLLBAR: return COM.ROLE_SYSTEM_SCROLLBAR; case ACC.ROLE_DIALOG: return COM.ROLE_SYSTEM_DIALOG; case ACC.ROLE_LABEL: return COM.ROLE_SYSTEM_STATICTEXT; case ACC.ROLE_PUSHBUTTON: return COM.ROLE_SYSTEM_PUSHBUTTON; case ACC.ROLE_CHECKBUTTON: return COM.ROLE_SYSTEM_CHECKBUTTON; case ACC.ROLE_RADIOBUTTON: return COM.ROLE_SYSTEM_RADIOBUTTON; case ACC.ROLE_COMBOBOX: return COM.ROLE_SYSTEM_COMBOBOX; case ACC.ROLE_TEXT: return COM.ROLE_SYSTEM_TEXT; case ACC.ROLE_TOOLBAR: return COM.ROLE_SYSTEM_TOOLBAR; case ACC.ROLE_LIST: return COM.ROLE_SYSTEM_LIST; case ACC.ROLE_LISTITEM: return COM.ROLE_SYSTEM_LISTITEM; case ACC.ROLE_TABLE: return COM.ROLE_SYSTEM_TABLE; case ACC.ROLE_TABLECELL: return COM.ROLE_SYSTEM_CELL; case ACC.ROLE_TABLECOLUMNHEADER: return COM.ROLE_SYSTEM_COLUMNHEADER; case ACC.ROLE_TABLEROWHEADER: return COM.ROLE_SYSTEM_ROWHEADER; case ACC.ROLE_TREE: return COM.ROLE_SYSTEM_OUTLINE; case ACC.ROLE_TREEITEM: return COM.ROLE_SYSTEM_OUTLINEITEM; case ACC.ROLE_TABFOLDER: return COM.ROLE_SYSTEM_PAGETABLIST; case ACC.ROLE_TABITEM: return COM.ROLE_SYSTEM_PAGETAB; case ACC.ROLE_PROGRESSBAR: return COM.ROLE_SYSTEM_PROGRESSBAR; case ACC.ROLE_SLIDER: return COM.ROLE_SYSTEM_SLIDER; case ACC.ROLE_LINK: return COM.ROLE_SYSTEM_LINK; default: } return COM.ROLE_SYSTEM_CLIENT; } int osToRole(int osRole) { switch (osRole) { case COM.ROLE_SYSTEM_CLIENT: return ACC.ROLE_CLIENT_AREA; case COM.ROLE_SYSTEM_WINDOW: return ACC.ROLE_WINDOW; case COM.ROLE_SYSTEM_MENUBAR: return ACC.ROLE_MENUBAR; case COM.ROLE_SYSTEM_MENUPOPUP: return ACC.ROLE_MENU; case COM.ROLE_SYSTEM_MENUITEM: return ACC.ROLE_MENUITEM; case COM.ROLE_SYSTEM_SEPARATOR: return ACC.ROLE_SEPARATOR; case COM.ROLE_SYSTEM_TOOLTIP: return ACC.ROLE_TOOLTIP; case COM.ROLE_SYSTEM_SCROLLBAR: return ACC.ROLE_SCROLLBAR; case COM.ROLE_SYSTEM_DIALOG: return ACC.ROLE_DIALOG; case COM.ROLE_SYSTEM_STATICTEXT: return ACC.ROLE_LABEL; case COM.ROLE_SYSTEM_PUSHBUTTON: return ACC.ROLE_PUSHBUTTON; case COM.ROLE_SYSTEM_CHECKBUTTON: return ACC.ROLE_CHECKBUTTON; case COM.ROLE_SYSTEM_RADIOBUTTON: return ACC.ROLE_RADIOBUTTON; case COM.ROLE_SYSTEM_COMBOBOX: return ACC.ROLE_COMBOBOX; case COM.ROLE_SYSTEM_TEXT: return ACC.ROLE_TEXT; case COM.ROLE_SYSTEM_TOOLBAR: return ACC.ROLE_TOOLBAR; case COM.ROLE_SYSTEM_LIST: return ACC.ROLE_LIST; case COM.ROLE_SYSTEM_LISTITEM: return ACC.ROLE_LISTITEM; case COM.ROLE_SYSTEM_TABLE: return ACC.ROLE_TABLE; case COM.ROLE_SYSTEM_CELL: return ACC.ROLE_TABLECELL; case COM.ROLE_SYSTEM_COLUMNHEADER: return ACC.ROLE_TABLECOLUMNHEADER; case COM.ROLE_SYSTEM_ROWHEADER: return ACC.ROLE_TABLEROWHEADER; case COM.ROLE_SYSTEM_OUTLINE: return ACC.ROLE_TREE; case COM.ROLE_SYSTEM_OUTLINEITEM: return ACC.ROLE_TREEITEM; case COM.ROLE_SYSTEM_PAGETABLIST: return ACC.ROLE_TABFOLDER; case COM.ROLE_SYSTEM_PAGETAB: return ACC.ROLE_TABITEM; case COM.ROLE_SYSTEM_PROGRESSBAR: return ACC.ROLE_PROGRESSBAR; case COM.ROLE_SYSTEM_SLIDER: return ACC.ROLE_SLIDER; case COM.ROLE_SYSTEM_LINK: return ACC.ROLE_LINK; default: } return ACC.ROLE_CLIENT_AREA; } /* checkWidget was copied from Widget, and rewritten to work in this package */ void checkWidget () { if (!isValidThread ()) SWT.error (SWT.ERROR_THREAD_INVALID_ACCESS); if (control.isDisposed ()) SWT.error (SWT.ERROR_WIDGET_DISPOSED); } /* isValidThread was copied from Widget, and rewritten to work in this package */ WINBOOL isValidThread () { return control.getDisplay ().getThread () is Thread.currentThread (); } } class _IAccessibleImpl : IAccessible { Accessible parent; this(Accessible p) { parent = p; } extern (Windows): // interface of IUnknown HRESULT QueryInterface(REFIID riid, void ** ppvObject) { return parent.QueryInterface(riid, ppvObject); } ULONG AddRef() { return parent.AddRef(); } ULONG Release() { return parent.Release(); } // interface of IDispatch HRESULT GetTypeInfoCount(UINT * pctinfo) { return COM.E_NOTIMPL; } HRESULT GetTypeInfo(UINT iTInfo, LCID lcid, ITypeInfo * ppTInfo) { return COM.E_NOTIMPL; } HRESULT GetIDsOfNames(REFIID riid, LPOLESTR * rgszNames, UINT cNames, LCID lcid, DISPID * rgDispId) { return COM.E_NOTIMPL; } HRESULT Invoke(DISPID dispIdMember,REFIID riid,LCID lcid,WORD wFlags,DISPPARAMS* pDispParams,VARIANT* pVarResult,EXCEPINFO* pExcepInfo,UINT* puArgErr) { return COM.E_NOTIMPL; } // interface of IAccessible HRESULT get_accParent(LPDISPATCH * ppdispParent) { return parent.get_accParent(ppdispParent); } HRESULT get_accChildCount(LONG* pcountChildren) { return parent.get_accChildCount(pcountChildren); } HRESULT get_accChild(VARIANT varChildID, LPDISPATCH* ppdispChild) { return parent.get_accChild(varChildID, ppdispChild); } HRESULT get_accName(VARIANT varID, BSTR* pszName) { return parent.get_accName(varID, pszName); } HRESULT get_accValue(VARIANT varID, BSTR* pszValue) { return parent.get_accValue(varID, pszValue); } HRESULT get_accDescription(VARIANT varID,BSTR* pszDescription) { return parent.get_accDescription(varID, pszDescription); } HRESULT get_accRole(VARIANT varID, VARIANT* pvarRole) { return parent.get_accRole(varID, pvarRole); } HRESULT get_accState(VARIANT varID, VARIANT* pvarState) { return parent.get_accState(varID, pvarState); } HRESULT get_accHelp(VARIANT varID, BSTR* pszHelp) { return parent.get_accHelp(varID, pszHelp); } HRESULT get_accHelpTopic(BSTR* pszHelpFile, VARIANT varChild, LONG* pidTopic) { return parent.get_accHelpTopic(pszHelpFile, varChild, pidTopic); } HRESULT get_accKeyboardShortcut(VARIANT varID, BSTR* pszKeyboardShortcut) { return parent.get_accKeyboardShortcut(varID, pszKeyboardShortcut); } HRESULT get_accFocus(VARIANT* pvarID) { return parent.get_accFocus(pvarID); } HRESULT get_accSelection(VARIANT* pvarChildren) { return parent.get_accSelection(pvarChildren); } HRESULT get_accDefaultAction(VARIANT varID,BSTR* pszDefaultAction) { return parent.get_accDefaultAction(varID, pszDefaultAction); } HRESULT accSelect(LONG flagsSelect, VARIANT varID) { return parent.accSelect(flagsSelect, varID); } HRESULT accLocation(LONG* pxLeft, LONG* pyTop, LONG* pcxWidth, LONG* pcyHeight, VARIANT varID) { return parent.accLocation(pxLeft, pyTop, pcxWidth, pcyHeight, varID); } HRESULT accNavigate(LONG navDir, VARIANT varStart, VARIANT* pvarEnd) { return parent.accNavigate(navDir, varStart, pvarEnd); } HRESULT accHitTest(LONG xLeft, LONG yTop, VARIANT* pvarID) { return parent.accHitTest(xLeft, yTop, pvarID); } HRESULT accDoDefaultAction(VARIANT varID) { return parent.accDoDefaultAction(varID); } HRESULT put_accName(VARIANT varID, BSTR* szName) { return parent.put_accName(varID, szName); } HRESULT put_accValue(VARIANT varID, BSTR* szValue) { return parent.put_accValue(varID, szValue); } } class _IEnumVARIANTImpl : IEnumVARIANT { Accessible parent; this(Accessible a) { parent = a; } extern (Windows): // interface of IUnknown HRESULT QueryInterface(REFIID riid, void ** ppvObject) { return parent.QueryInterface(riid, ppvObject); } ULONG AddRef() { return parent.AddRef(); } ULONG Release() { return parent.Release(); } // interface of IEnumVARIANT HRESULT Next(ULONG celt, VARIANT *rgvar, ULONG *pceltFetched) { return parent.Next(celt, rgvar, pceltFetched); } HRESULT Skip(ULONG celt) { return parent.Skip(celt); } HRESULT Reset() { return parent.Reset(); } HRESULT Clone(LPENUMVARIANT * ppenum) { return COM.E_NOTIMPL;} }