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authorJan-Arve Saether <jan-arve.saether@nokia.com>2011-10-06 09:41:34 +0200
committerQt by Nokia <qt-info@nokia.com>2012-03-13 21:11:55 +0100
commit02d75eaaf9f2e4984f39b1e081e841966d1dde0c (patch)
treedd3a1d30eedb0e9a134b98bec367a6117cc520d6 /src/plugins/platforms/windows/qwindowsaccessibility.cpp
parent26c3bec09bccf9006f5ef4945a428d9ef56c1d12 (diff)
Add support for IAccessible2 on Windows
Change-Id: Ia955ab46dc5037ed1c74e0acc525e98b02552c97 Reviewed-by: Frederik Gladhorn <frederik.gladhorn@nokia.com>
Diffstat (limited to 'src/plugins/platforms/windows/qwindowsaccessibility.cpp')
-rw-r--r--src/plugins/platforms/windows/qwindowsaccessibility.cpp1525
1 files changed, 0 insertions, 1525 deletions
diff --git a/src/plugins/platforms/windows/qwindowsaccessibility.cpp b/src/plugins/platforms/windows/qwindowsaccessibility.cpp
deleted file mode 100644
index 134b1c81ce..0000000000
--- a/src/plugins/platforms/windows/qwindowsaccessibility.cpp
+++ /dev/null
@@ -1,1525 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
-** Contact: http://www.qt-project.org/
-**
-** This file is part of the plugins of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** GNU Lesser General Public License Usage
-** This file may be used under the terms of the GNU Lesser General Public
-** License version 2.1 as published by the Free Software Foundation and
-** appearing in the file LICENSE.LGPL included in the packaging of this
-** file. Please review the following information to ensure the GNU Lesser
-** General Public License version 2.1 requirements will be met:
-** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain additional
-** rights. These rights are described in the Nokia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU General
-** Public License version 3.0 as published by the Free Software Foundation
-** and appearing in the file LICENSE.GPL included in the packaging of this
-** file. Please review the following information to ensure the GNU General
-** Public License version 3.0 requirements will be met:
-** http://www.gnu.org/copyleft/gpl.html.
-**
-** Other Usage
-** Alternatively, this file may be used in accordance with the terms and
-** conditions contained in a signed written agreement between you and Nokia.
-**
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include <QtCore/QtConfig>
-#ifndef QT_NO_ACCESSIBILITY
-
-
-#include "qwindowsaccessibility.h"
-#include "qwindowscontext.h"
-
-#include <private/qsystemlibrary_p.h>
-
-#include <QtCore/qmap.h>
-#include <QtCore/qsettings.h>
-#include <QtCore/qsharedpointer.h>
-#include <QtCore/qpair.h>
-#include <QtWidgets/qapplication.h>
-#include <QtWidgets/qmessagebox.h>
-#include <QtWidgets/qgraphicsitem.h>
-#include <QtWidgets/qgraphicsview.h>
-#include <QtGui/qaccessible.h>
-#include <QtGui/qplatformnativeinterface_qpa.h>
-#include <QtGui/qwindow.h>
-#include <QtGui/qaccessible2.h>
-#include <oleacc.h>
-
-//#include <uiautomationcoreapi.h>
-#ifndef UiaRootObjectId
-#define UiaRootObjectId -25
-#endif
-
-#include <winuser.h>
-#if !defined(WINABLEAPI)
-# if defined(Q_OS_WINCE)
-# include <bldver.h>
-# endif
-# include <winable.h>
-#endif
-
-#include <oleacc.h>
-#if !defined(Q_CC_BOR) && !defined (Q_CC_GNU)
-#include <comdef.h>
-#endif
-
-#ifdef Q_OS_WINCE
-#include "qguifunctions_wince.h"
-#endif
-
-#include "qtwindows_additional.h"
-
-QT_BEGIN_NAMESPACE
-
-#ifndef QT_NO_DEBUG
-QT_BEGIN_INCLUDE_NAMESPACE
-# include <qdebug.h>
-QT_END_INCLUDE_NAMESPACE
-static inline bool debug_accessibility()
-{
- static signed int debugging = -1;
- if (debugging == -1)
- debugging = qgetenv("QT_DEBUG_ACCESSIBILITY").toInt();
- return !!debugging;
-}
-# define accessibleDebug !debug_accessibility() ? (void)0 : qDebug
-#else
-# define accessibleDebug()
-#endif
-
-//#define DEBUG_SHOW_ATCLIENT_COMMANDS
-#if defined(DEBUG_SHOW_ATCLIENT_COMMANDS)
-void accessibleDebugClientCalls_helper(const char* funcName, const QAccessibleInterface *iface)
-{
- QString str;
- QDebug dbg(&str);
- dbg << iface << QLatin1String(funcName);
- accessibleDebug("%s", qPrintable(str));
-}
-# define accessibleDebugClientCalls(iface) accessibleDebugClientCalls_helper(Q_FUNC_INFO, iface)
-#else
-# define accessibleDebugClientCalls(iface)
-#endif
-
-
-typedef QSharedPointer<QAccessibleInterface> QAIPointer;
-
-static bool compareAccessible(QAccessibleInterface *one, QAccessibleInterface *other)
-{
- if (one == other) return true;
- if (!one || !other) return false;
-
- if (one->object() && other->object() && (one->object() == other->object()))
- return true;
- QAIPointer onePar(one->parent());
- QAIPointer otherPar(other->parent());
-
- if (compareAccessible(onePar.data(), otherPar.data()))
- return onePar->indexOfChild(one) == otherPar->indexOfChild(other);
- return false;
-}
-
-// This stuff is used for widgets/items with no window handle:
-typedef QMap<int, QPair<QObject*,int> > NotifyMap;
-Q_GLOBAL_STATIC(NotifyMap, qAccessibleRecentSentEvents)
-static int eventNum = 0;
-
-class QWindowsEnumerate : public IEnumVARIANT
-{
-public:
- QWindowsEnumerate(const QVector<int> &a)
- : ref(0), current(0),array(a)
- {
- }
-
- virtual ~QWindowsEnumerate() {}
-
- HRESULT STDMETHODCALLTYPE QueryInterface(REFIID, LPVOID *);
- ULONG STDMETHODCALLTYPE AddRef();
- ULONG STDMETHODCALLTYPE Release();
-
- HRESULT STDMETHODCALLTYPE Clone(IEnumVARIANT **ppEnum);
- HRESULT STDMETHODCALLTYPE Next(unsigned long celt, VARIANT FAR* rgVar, unsigned long FAR* pCeltFetched);
- HRESULT STDMETHODCALLTYPE Reset();
- HRESULT STDMETHODCALLTYPE Skip(unsigned long celt);
-
-private:
- ULONG ref;
- ULONG current;
- QVector<int> array;
-};
-
-HRESULT STDMETHODCALLTYPE QWindowsEnumerate::QueryInterface(REFIID id, LPVOID *iface)
-{
- *iface = 0;
- if (id == IID_IUnknown)
- *iface = (IUnknown*)this;
- else if (id == IID_IEnumVARIANT)
- *iface = (IEnumVARIANT*)this;
-
- if (*iface) {
- AddRef();
- return S_OK;
- }
-
- return E_NOINTERFACE;
-}
-
-ULONG STDMETHODCALLTYPE QWindowsEnumerate::AddRef()
-{
- return ++ref;
-}
-
-ULONG STDMETHODCALLTYPE QWindowsEnumerate::Release()
-{
- if (!--ref) {
- delete this;
- return 0;
- }
- return ref;
-}
-
-HRESULT STDMETHODCALLTYPE QWindowsEnumerate::Clone(IEnumVARIANT **ppEnum)
-{
- QWindowsEnumerate *penum = 0;
- *ppEnum = 0;
-
- penum = new QWindowsEnumerate(array);
- if (!penum)
- return E_OUTOFMEMORY;
- penum->current = current;
- penum->array = array;
- penum->AddRef();
- *ppEnum = penum;
-
- return S_OK;
-}
-
-HRESULT STDMETHODCALLTYPE QWindowsEnumerate::Next(unsigned long celt, VARIANT FAR* rgVar, unsigned long FAR* pCeltFetched)
-{
- if (pCeltFetched)
- *pCeltFetched = 0;
-
- ULONG l;
- for (l = 0; l < celt; l++) {
- VariantInit(&rgVar[l]);
- if ((current+1) > (ULONG)array.size()) {
- *pCeltFetched = l;
- return S_FALSE;
- }
-
- rgVar[l].vt = VT_I4;
- rgVar[l].lVal = array[(int)current];
- ++current;
- }
- *pCeltFetched = l;
- return S_OK;
-}
-
-HRESULT STDMETHODCALLTYPE QWindowsEnumerate::Reset()
-{
- current = 0;
- return S_OK;
-}
-
-HRESULT STDMETHODCALLTYPE QWindowsEnumerate::Skip(unsigned long celt)
-{
- current += celt;
- if (current > (ULONG)array.size()) {
- current = array.size();
- return S_FALSE;
- }
- return S_OK;
-}
-
-/*
-*/
-class QWindowsAccessible : public IAccessible, IOleWindow
-{
-public:
- QWindowsAccessible(QAccessibleInterface *a)
- : ref(0), accessible(a)
- {
- }
-
- virtual ~QWindowsAccessible()
- {
- delete accessible;
- }
-
- /* IUnknown */
- HRESULT STDMETHODCALLTYPE QueryInterface(REFIID, LPVOID *);
- ULONG STDMETHODCALLTYPE AddRef();
- ULONG STDMETHODCALLTYPE Release();
-
- /* IDispatch */
- HRESULT STDMETHODCALLTYPE GetTypeInfoCount(unsigned int *);
- HRESULT STDMETHODCALLTYPE GetTypeInfo(unsigned int, unsigned long, ITypeInfo **);
- HRESULT STDMETHODCALLTYPE GetIDsOfNames(const _GUID &, wchar_t **, unsigned int, unsigned long, long *);
- HRESULT STDMETHODCALLTYPE Invoke(long, const _GUID &, unsigned long, unsigned short, tagDISPPARAMS *, tagVARIANT *, tagEXCEPINFO *, unsigned int *);
-
- /* IAccessible */
- HRESULT STDMETHODCALLTYPE accHitTest(long xLeft, long yTop, VARIANT *pvarID);
- HRESULT STDMETHODCALLTYPE accLocation(long *pxLeft, long *pyTop, long *pcxWidth, long *pcyHeight, VARIANT varID);
- HRESULT STDMETHODCALLTYPE accNavigate(long navDir, VARIANT varStart, VARIANT *pvarEnd);
- HRESULT STDMETHODCALLTYPE get_accChild(VARIANT varChildID, IDispatch** ppdispChild);
- HRESULT STDMETHODCALLTYPE get_accChildCount(long* pcountChildren);
- HRESULT STDMETHODCALLTYPE get_accParent(IDispatch** ppdispParent);
-
- HRESULT STDMETHODCALLTYPE accDoDefaultAction(VARIANT varID);
- HRESULT STDMETHODCALLTYPE get_accDefaultAction(VARIANT varID, BSTR* pszDefaultAction);
- HRESULT STDMETHODCALLTYPE get_accDescription(VARIANT varID, BSTR* pszDescription);
- HRESULT STDMETHODCALLTYPE get_accHelp(VARIANT varID, BSTR *pszHelp);
- HRESULT STDMETHODCALLTYPE get_accHelpTopic(BSTR *pszHelpFile, VARIANT varChild, long *pidTopic);
- HRESULT STDMETHODCALLTYPE get_accKeyboardShortcut(VARIANT varID, BSTR *pszKeyboardShortcut);
- HRESULT STDMETHODCALLTYPE get_accName(VARIANT varID, BSTR* pszName);
- HRESULT STDMETHODCALLTYPE put_accName(VARIANT varChild, BSTR szName);
- HRESULT STDMETHODCALLTYPE get_accRole(VARIANT varID, VARIANT *pvarRole);
- HRESULT STDMETHODCALLTYPE get_accState(VARIANT varID, VARIANT *pvarState);
- HRESULT STDMETHODCALLTYPE get_accValue(VARIANT varID, BSTR* pszValue);
- HRESULT STDMETHODCALLTYPE put_accValue(VARIANT varChild, BSTR szValue);
-
- HRESULT STDMETHODCALLTYPE accSelect(long flagsSelect, VARIANT varID);
- HRESULT STDMETHODCALLTYPE get_accFocus(VARIANT *pvarID);
- HRESULT STDMETHODCALLTYPE get_accSelection(VARIANT *pvarChildren);
-
- /* IOleWindow */
- HRESULT STDMETHODCALLTYPE GetWindow(HWND *phwnd);
- HRESULT STDMETHODCALLTYPE ContextSensitiveHelp(BOOL fEnterMode);
-
-private:
- ULONG ref;
- QAccessibleInterface *accessible;
-
- QAIPointer childPointer(VARIANT varID)
- {
- return QAIPointer(accessible->child(varID.lVal - 1));
- }
-};
-
-static inline BSTR QStringToBSTR(const QString &str)
-{
- BSTR bstrVal;
-
- int wlen = str.length()+1;
- bstrVal = SysAllocStringByteLen(0, wlen*2);
- memcpy(bstrVal, str.unicode(), sizeof(QChar)*(wlen));
- bstrVal[wlen] = 0;
-
- return bstrVal;
-}
-
-/*
-*/
-
-/*
- IUnknown
-*/
-HRESULT STDMETHODCALLTYPE QWindowsAccessible::QueryInterface(REFIID id, LPVOID *iface)
-{
- *iface = 0;
- if (id == IID_IUnknown)
- *iface = (IUnknown*)(IDispatch*)this;
- else if (id == IID_IDispatch)
- *iface = (IDispatch*)this;
- else if (id == IID_IAccessible)
- *iface = (IAccessible*)this;
- else if (id == IID_IOleWindow)
- *iface = (IOleWindow*)this;
- else
- return E_NOINTERFACE;
-
- AddRef();
- return S_OK;
-}
-
-ULONG STDMETHODCALLTYPE QWindowsAccessible::AddRef()
-{
- return ++ref;
-}
-
-ULONG STDMETHODCALLTYPE QWindowsAccessible::Release()
-{
- if (!--ref) {
- delete this;
- return 0;
- }
- return ref;
-}
-
-/*
- IDispatch
-*/
-
-HRESULT STDMETHODCALLTYPE QWindowsAccessible::GetTypeInfoCount(unsigned int * pctinfo)
-{
- // We don't use a type library
- *pctinfo = 0;
- return S_OK;
-}
-
-HRESULT STDMETHODCALLTYPE QWindowsAccessible::GetTypeInfo(unsigned int, unsigned long, ITypeInfo **pptinfo)
-{
- // We don't use a type library
- *pptinfo = 0;
- return S_OK;
-}
-
-HRESULT STDMETHODCALLTYPE QWindowsAccessible::GetIDsOfNames(const _GUID &, wchar_t **rgszNames, unsigned int, unsigned long, long *rgdispid)
-{
-#if !defined(Q_CC_BOR) && !defined(Q_CC_GNU)
- // PROPERTIES: Hierarchical
- if (_bstr_t(rgszNames[0]) == _bstr_t(L"accParent"))
- rgdispid[0] = DISPID_ACC_PARENT;
- else if (_bstr_t(rgszNames[0]) == _bstr_t(L"accChildCount"))
- rgdispid[0] = DISPID_ACC_CHILDCOUNT;
- else if (_bstr_t(rgszNames[0]) == _bstr_t(L"accChild"))
- rgdispid[0] = DISPID_ACC_CHILD;
-
- // PROPERTIES: Descriptional
- else if (_bstr_t(rgszNames[0]) == _bstr_t(L"accName("))
- rgdispid[0] = DISPID_ACC_NAME;
- else if (_bstr_t(rgszNames[0]) == _bstr_t(L"accValue"))
- rgdispid[0] = DISPID_ACC_VALUE;
- else if (_bstr_t(rgszNames[0]) == _bstr_t(L"accDescription"))
- rgdispid[0] = DISPID_ACC_DESCRIPTION;
- else if (_bstr_t(rgszNames[0]) == _bstr_t(L"accRole"))
- rgdispid[0] = DISPID_ACC_ROLE;
- else if (_bstr_t(rgszNames[0]) == _bstr_t(L"accState"))
- rgdispid[0] = DISPID_ACC_STATE;
- else if (_bstr_t(rgszNames[0]) == _bstr_t(L"accHelp"))
- rgdispid[0] = DISPID_ACC_HELP;
- else if (_bstr_t(rgszNames[0]) == _bstr_t(L"accHelpTopic"))
- rgdispid[0] = DISPID_ACC_HELPTOPIC;
- else if (_bstr_t(rgszNames[0]) == _bstr_t(L"accKeyboardShortcut"))
- rgdispid[0] = DISPID_ACC_KEYBOARDSHORTCUT;
- else if (_bstr_t(rgszNames[0]) == _bstr_t(L"accFocus"))
- rgdispid[0] = DISPID_ACC_FOCUS;
- else if (_bstr_t(rgszNames[0]) == _bstr_t(L"accSelection"))
- rgdispid[0] = DISPID_ACC_SELECTION;
- else if (_bstr_t(rgszNames[0]) == _bstr_t(L"accDefaultAction"))
- rgdispid[0] = DISPID_ACC_DEFAULTACTION;
-
- // METHODS
- else if (_bstr_t(rgszNames[0]) == _bstr_t(L"accSelect"))
- rgdispid[0] = DISPID_ACC_SELECT;
- else if (_bstr_t(rgszNames[0]) == _bstr_t(L"accLocation"))
- rgdispid[0] = DISPID_ACC_LOCATION;
- else if (_bstr_t(rgszNames[0]) == _bstr_t(L"accNavigate"))
- rgdispid[0] = DISPID_ACC_NAVIGATE;
- else if (_bstr_t(rgszNames[0]) == _bstr_t(L"accHitTest"))
- rgdispid[0] = DISPID_ACC_HITTEST;
- else if (_bstr_t(rgszNames[0]) == _bstr_t(L"accDoDefaultAction"))
- rgdispid[0] = DISPID_ACC_DODEFAULTACTION;
- else
- return DISP_E_UNKNOWNINTERFACE;
-
- return S_OK;
-#else
- Q_UNUSED(rgszNames);
- Q_UNUSED(rgdispid);
-
- return DISP_E_MEMBERNOTFOUND;
-#endif
-}
-
-HRESULT STDMETHODCALLTYPE QWindowsAccessible::Invoke(long dispIdMember, const _GUID &, unsigned long, unsigned short wFlags, tagDISPPARAMS *pDispParams, tagVARIANT *pVarResult, tagEXCEPINFO *, unsigned int *)
-{
- HRESULT hr = DISP_E_MEMBERNOTFOUND;
-
- switch (dispIdMember)
- {
- case DISPID_ACC_PARENT:
- if (wFlags == DISPATCH_PROPERTYGET) {
- if (!pVarResult)
- return E_INVALIDARG;
- hr = get_accParent(&pVarResult->pdispVal);
- } else {
- hr = DISP_E_MEMBERNOTFOUND;
- }
- break;
-
- case DISPID_ACC_CHILDCOUNT:
- if (wFlags == DISPATCH_PROPERTYGET) {
- if (!pVarResult)
- return E_INVALIDARG;
- hr = get_accChildCount(&pVarResult->lVal);
- } else {
- hr = DISP_E_MEMBERNOTFOUND;
- }
- break;
-
- case DISPID_ACC_CHILD:
- if (wFlags == DISPATCH_PROPERTYGET)
- hr = get_accChild(pDispParams->rgvarg[0], &pVarResult->pdispVal);
- else
- hr = DISP_E_MEMBERNOTFOUND;
- break;
-
- case DISPID_ACC_NAME:
- if (wFlags == DISPATCH_PROPERTYGET)
- hr = get_accName(pDispParams->rgvarg[0], &pVarResult->bstrVal);
- else if (wFlags == DISPATCH_PROPERTYPUT)
- hr = put_accName(pDispParams->rgvarg[0], pVarResult->bstrVal);
- else
- hr = DISP_E_MEMBERNOTFOUND;
- break;
-
- case DISPID_ACC_VALUE:
- if (wFlags == DISPATCH_PROPERTYGET)
- hr = get_accValue(pDispParams->rgvarg[0], &pVarResult->bstrVal);
- else if (wFlags == DISPATCH_PROPERTYPUT)
- hr = put_accValue(pDispParams->rgvarg[0], pVarResult->bstrVal);
- else
- hr = DISP_E_MEMBERNOTFOUND;
- break;
-
- case DISPID_ACC_DESCRIPTION:
- if (wFlags == DISPATCH_PROPERTYGET)
- hr = get_accDescription(pDispParams->rgvarg[0], &pVarResult->bstrVal);
- else
- hr = DISP_E_MEMBERNOTFOUND;
- break;
-
- case DISPID_ACC_ROLE:
- if (wFlags == DISPATCH_PROPERTYGET)
- hr = get_accRole(pDispParams->rgvarg[0], pVarResult);
- else
- hr = DISP_E_MEMBERNOTFOUND;
- break;
-
- case DISPID_ACC_STATE:
- if (wFlags == DISPATCH_PROPERTYGET)
- hr = get_accState(pDispParams->rgvarg[0], pVarResult);
- else
- hr = DISP_E_MEMBERNOTFOUND;
- break;
-
- case DISPID_ACC_HELP:
- if (wFlags == DISPATCH_PROPERTYGET)
- hr = get_accHelp(pDispParams->rgvarg[0], &pVarResult->bstrVal);
- else
- hr = DISP_E_MEMBERNOTFOUND;
- break;
-
- case DISPID_ACC_HELPTOPIC:
- if (wFlags == DISPATCH_PROPERTYGET)
- hr = get_accHelpTopic(&pDispParams->rgvarg[2].bstrVal, pDispParams->rgvarg[1], &pDispParams->rgvarg[0].lVal);
- else
- hr = DISP_E_MEMBERNOTFOUND;
- break;
-
- case DISPID_ACC_KEYBOARDSHORTCUT:
- if (wFlags == DISPATCH_PROPERTYGET)
- hr = get_accKeyboardShortcut(pDispParams->rgvarg[0], &pVarResult->bstrVal);
- else
- hr = DISP_E_MEMBERNOTFOUND;
- break;
-
- case DISPID_ACC_FOCUS:
- if (wFlags == DISPATCH_PROPERTYGET)
- hr = get_accFocus(pVarResult);
- else
- hr = DISP_E_MEMBERNOTFOUND;
- break;
-
- case DISPID_ACC_SELECTION:
- if (wFlags == DISPATCH_PROPERTYGET)
- hr = get_accSelection(pVarResult);
- else
- hr = DISP_E_MEMBERNOTFOUND;
- break;
-
- case DISPID_ACC_DEFAULTACTION:
- if (wFlags == DISPATCH_PROPERTYGET)
- hr = get_accDefaultAction(pDispParams->rgvarg[0], &pVarResult->bstrVal);
- else
- hr = DISP_E_MEMBERNOTFOUND;
- break;
-
- case DISPID_ACC_SELECT:
- if (wFlags == DISPATCH_METHOD)
- hr = accSelect(pDispParams->rgvarg[1].lVal, pDispParams->rgvarg[0]);
- else
- hr = DISP_E_MEMBERNOTFOUND;
- break;
-
- case DISPID_ACC_LOCATION:
- if (wFlags == DISPATCH_METHOD)
- hr = accLocation(&pDispParams->rgvarg[4].lVal, &pDispParams->rgvarg[3].lVal, &pDispParams->rgvarg[2].lVal, &pDispParams->rgvarg[1].lVal, pDispParams->rgvarg[0]);
- else
- hr = DISP_E_MEMBERNOTFOUND;
- break;
-
- case DISPID_ACC_NAVIGATE:
- if (wFlags == DISPATCH_METHOD)
- hr = accNavigate(pDispParams->rgvarg[1].lVal, pDispParams->rgvarg[0], pVarResult);
- else
- hr = DISP_E_MEMBERNOTFOUND;
- break;
-
- case DISPID_ACC_HITTEST:
- if (wFlags == DISPATCH_METHOD)
- hr = accHitTest(pDispParams->rgvarg[1].lVal, pDispParams->rgvarg[0].lVal, pVarResult);
- else
- hr = DISP_E_MEMBERNOTFOUND;
- break;
-
- case DISPID_ACC_DODEFAULTACTION:
- if (wFlags == DISPATCH_METHOD)
- hr = accDoDefaultAction(pDispParams->rgvarg[0]);
- else
- hr = DISP_E_MEMBERNOTFOUND;
- break;
-
- default:
- hr = DISP_E_MEMBERNOTFOUND;
- break;
- }
-
- if (!SUCCEEDED(hr)) {
- return hr;
- }
- return hr;
-}
-
-/*
- IAccessible
-
-IAccessible::accHitTest documents the value returned in pvarID like this:
-
-| *Point location* | *vt member* | *Value member* |
-+========================================================+=============+=========================+
-| Outside of the object's boundaries, and either inside | VT_EMPTY | None. |
-| or outside of the object's bounding rectangle. | | |
-+--------------------------------------------------------+-------------+-------------------------+
-| Within the object but not within a child element or a | VT_I4 | lVal is CHILDID_SELF |
-| child object. | | |
-+--------------------------------------------------------+-------------+-------------------------+
-| Within a child element. | VT_I4 | lVal contains |
-| | | the child ID. |
-+--------------------------------------------------------+-------------+-------------------------+
-| Within a child object. | VT_DISPATCH | pdispVal is set to the |
-| | | child object's IDispatch|
-| | | interface pointer |
-+--------------------------------------------------------+-------------+-------------------------+
-*/
-HRESULT STDMETHODCALLTYPE QWindowsAccessible::accHitTest(long xLeft, long yTop, VARIANT *pvarID)
-{
-
- accessibleDebugClientCalls(accessible);
- if (!accessible->isValid())
- return E_FAIL;
-
- QAccessibleInterface *child = accessible->childAt(xLeft, yTop);
- if (child == 0) {
- // no child found, return this item if it contains the coordinates
- if (accessible->rect().contains(xLeft, yTop)) {
- (*pvarID).vt = VT_I4;
- (*pvarID).lVal = CHILDID_SELF;
- return S_OK;
- }
- } else {
- QWindowsAccessible* wacc = new QWindowsAccessible(child);
- IDispatch *iface = 0;
- wacc->QueryInterface(IID_IDispatch, (void**)&iface);
- if (iface) {
- (*pvarID).vt = VT_DISPATCH;
- (*pvarID).pdispVal = iface;
- return S_OK;
- }
- }
-
- // Did not find anything
- (*pvarID).vt = VT_EMPTY;
- return S_FALSE;
-}
-
-/*
- It is recommended to read
- "Implementing a Microsoft Active Accessibility (MSAA) Server.
- Practical Tips for Developers and How Mozilla Does It"
- (https://developer.mozilla.org/En/Accessibility/Implementing_an_MSAA_Server)
-
- to get an overview of what's important to implement and what parts of MSAA
- can be ignored. All stuff prefixed with "moz" are information from that page.
-*/
-// moz: [important]
-HRESULT STDMETHODCALLTYPE QWindowsAccessible::accLocation(long *pxLeft, long *pyTop, long *pcxWidth, long *pcyHeight, VARIANT varID)
-{
- accessibleDebugClientCalls(accessible);
- if (!accessible->isValid())
- return E_FAIL;
-
- QRect rect;
- if (varID.lVal) {
- QAIPointer child = QAIPointer(accessible->child(varID.lVal - 1));
- if (child->isValid())
- rect = child->rect();
- } else {
- rect = accessible->rect();
- }
-
- *pxLeft = rect.x();
- *pyTop = rect.y();
- *pcxWidth = rect.width();
- *pcyHeight = rect.height();
-
- return S_OK;
-}
-
-// moz: [important, but no need to implement up/down/left/right]
-HRESULT STDMETHODCALLTYPE QWindowsAccessible::accNavigate(long navDir, VARIANT varStart, VARIANT *pvarEnd)
-{
- accessibleDebugClientCalls(accessible);
- if (!accessible->isValid())
- return E_FAIL;
-
- QAccessibleInterface *acc = 0;
- switch (navDir) {
- case NAVDIR_FIRSTCHILD:
- acc = accessible->child(0);
- break;
- case NAVDIR_LASTCHILD:
- acc = accessible->child(accessible->childCount() - 1);
- break;
- case NAVDIR_NEXT:
- case NAVDIR_PREVIOUS:
- if (!varStart.lVal){
- QAccessibleInterface *parent = accessible->parent();
- if (parent) {
- int index = parent->indexOfChild(accessible);
- index += (navDir == NAVDIR_NEXT) ? 1 : -1;
- if (index >= 0 && index < parent->childCount())
- acc = parent->child(index);
- delete parent;
- }
- } else {
- int index = varStart.lVal;
- index += (navDir == NAVDIR_NEXT) ? 1 : -1;
- if (index > 0 && index <= accessible->childCount())
- acc = accessible->child(index - 1);
- }
- break;
-
- // Geometrical
- case NAVDIR_UP:
- case NAVDIR_DOWN:
- case NAVDIR_LEFT:
- case NAVDIR_RIGHT:
- if (QAccessibleInterface *pIface = accessible->parent()) {
- const int indexOfOurself = pIface->indexOfChild(accessible);
- QRect startg = accessible->rect();
- QPoint startc = startg.center();
- QAccessibleInterface *candidate = 0;
- unsigned mindist = UINT_MAX; // will work on screen sizes at least up to 46340x46340
- const int sibCount = pIface->childCount();
- for (int i = 0; i < sibCount; ++i) {
- QAccessibleInterface *sibling = 0;
- sibling = pIface->child(i);
- Q_ASSERT(sibling);
- if (i == indexOfOurself || sibling->state().invisible) {
- //ignore ourself and invisible siblings
- delete sibling;
- continue;
- }
-
- QRect sibg = sibling->rect();
- QPoint sibc = sibg.center();
- QPoint sibp;
- QPoint startp;
- QPoint distp;
- switch (navDir) {
- case NAVDIR_LEFT:
- startp = QPoint(startg.left(), startg.top() + startg.height() / 2);
- sibp = QPoint(sibg.right(), sibg.top() + sibg.height() / 2);
- if (QPoint(sibc - startc).x() >= 0) {
- delete sibling;
- continue;
- }
- distp = sibp - startp;
- break;
- case NAVDIR_RIGHT:
- startp = QPoint(startg.right(), startg.top() + startg.height() / 2);
- sibp = QPoint(sibg.left(), sibg.top() + sibg.height() / 2);
- if (QPoint(sibc - startc).x() <= 0) {
- delete sibling;
- continue;
- }
- distp = sibp - startp;
- break;
- case NAVDIR_UP:
- startp = QPoint(startg.left() + startg.width() / 2, startg.top());
- sibp = QPoint(sibg.left() + sibg.width() / 2, sibg.bottom());
- if (QPoint(sibc - startc).y() >= 0) {
- delete sibling;
- continue;
- }
- distp = sibp - startp;
- break;
- case NAVDIR_DOWN:
- startp = QPoint(startg.left() + startg.width() / 2, startg.bottom());
- sibp = QPoint(sibg.left() + sibg.width() / 2, sibg.top());
- if (QPoint(sibc - startc).y() <= 0) {
- delete sibling;
- continue;
- }
- distp = sibp - startp;
- break;
- default:
- break;
- }
-
- // Since we're *comparing* (and not measuring) distances, we can compare the
- // squared distance, (thus, no need to take the sqrt()).
- unsigned dist = distp.x() * distp.x() + distp.y() * distp.y();
- if (dist < mindist) {
- delete candidate;
- candidate = sibling;
- mindist = dist;
- } else {
- delete sibling;
- }
- }
- delete pIface;
- acc = candidate;
- }
- break;
- default:
- break;
- }
- if (!acc) {
- (*pvarEnd).vt = VT_EMPTY;
- return S_FALSE;
- }
- QWindowsAccessible* wacc = new QWindowsAccessible(acc);
-
- IDispatch *iface = 0;
- wacc->QueryInterface(IID_IDispatch, (void**)&iface);
- if (iface) {
- (*pvarEnd).vt = VT_DISPATCH;
- (*pvarEnd).pdispVal = iface;
- return S_OK;
- } else {
- delete wacc;
- }
-
- (*pvarEnd).vt = VT_EMPTY;
- return S_FALSE;
-}
-
-// moz: [important]
-HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accChild(VARIANT varChildID, IDispatch** ppdispChild)
-{
- accessibleDebugClientCalls(accessible);
- if (!accessible->isValid())
- return E_FAIL;
-
- if (varChildID.vt == VT_EMPTY)
- return E_INVALIDARG;
-
-
- int childIndex = varChildID.lVal;
- QAccessibleInterface *acc = 0;
-
- if (childIndex < 0) {
- const int entry = childIndex;
- QPair<QObject*, int> ref = qAccessibleRecentSentEvents()->value(entry);
- if (ref.first) {
- acc = QAccessible::queryAccessibleInterface(ref.first);
- if (acc && ref.second >= 0) {
- QAccessibleInterface *res = acc->child(ref.second);
- delete acc;
- if (!res)
- return E_INVALIDARG;
- acc = res;
- }
- }
- } else {
- if (childIndex) {
- acc = accessible->child(childIndex - 1);
- } else {
- // Yes, some AT clients (Active Accessibility Object Inspector)
- // actually ask for the same object. As a consequence, we need to clone ourselves:
- if (QAccessibleInterface *par = accessible->parent()) {
- const int indexOf = par->indexOfChild(accessible);
- QAccessibleInterface *clone = par->child(indexOf);
- delete par;
- acc = clone;
- }
- }
- }
-
- if (acc) {
- QWindowsAccessible* wacc = new QWindowsAccessible(acc);
- wacc->QueryInterface(IID_IDispatch, (void**)ppdispChild);
- return S_OK;
- }
-
- *ppdispChild = 0;
- return S_FALSE;
-}
-
-// moz: [important]
-HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accChildCount(long* pcountChildren)
-{
- accessibleDebugClientCalls(accessible);
- if (!accessible->isValid())
- return E_FAIL;
-
- *pcountChildren = accessible->childCount();
- return S_OK;
-}
-
-// moz: [important]
-HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accParent(IDispatch** ppdispParent)
-{
- accessibleDebugClientCalls(accessible);
- if (!accessible->isValid())
- return E_FAIL;
-
- QAccessibleInterface *acc = accessible->parent();
- if (acc) {
- QWindowsAccessible* wacc = new QWindowsAccessible(acc);
- wacc->QueryInterface(IID_IDispatch, (void**)ppdispParent);
-
- if (*ppdispParent)
- return S_OK;
- }
-
- *ppdispParent = 0;
- return S_FALSE;
-}
-
-/*
- Properties and methods
-*/
-HRESULT STDMETHODCALLTYPE QWindowsAccessible::accDoDefaultAction(VARIANT varID)
-{
- Q_UNUSED(varID);
- accessibleDebugClientCalls(accessible);
- if (!accessible->isValid())
- return E_FAIL;
-
- if (QAccessibleActionInterface *actionIface = accessible->actionInterface()) {
- const QString def = actionIface->actionNames().value(0);
- if (!def.isEmpty()) {
- actionIface->doAction(def);
- return S_OK;
- }
- }
- return S_FALSE;
-}
-
-HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accDefaultAction(VARIANT varID, BSTR* pszDefaultAction)
-{
- Q_UNUSED(varID);
- accessibleDebugClientCalls(accessible);
- if (!accessible->isValid())
- return E_FAIL;
-
- *pszDefaultAction = 0;
- if (QAccessibleActionInterface *actionIface = accessible->actionInterface()) {
- const QString def = actionIface->actionNames().value(0);
- if (!def.isEmpty())
- *pszDefaultAction = QStringToBSTR(def);
- }
- return *pszDefaultAction ? S_OK : S_FALSE;
-}
-
-HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accDescription(VARIANT varID, BSTR* pszDescription)
-{
- accessibleDebugClientCalls(accessible);
- if (!accessible->isValid())
- return E_FAIL;
-
-
- QString descr;
- if (varID.lVal) {
- QAIPointer child = childPointer(varID);
- if (!child)
- return E_FAIL;
- descr = child->text(QAccessible::Description);
- } else {
- descr = accessible->text(QAccessible::Description);
- }
- if (descr.size()) {
- *pszDescription = QStringToBSTR(descr);
- return S_OK;
- }
-
- *pszDescription = 0;
- return S_FALSE;
-}
-
-HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accHelp(VARIANT varID, BSTR *pszHelp)
-{
- accessibleDebugClientCalls(accessible);
- if (!accessible->isValid())
- return E_FAIL;
-
- QString help;
- if (varID.lVal) {
- QAIPointer child = childPointer(varID);
- if (!child)
- return E_FAIL;
- help = child->text(QAccessible::Help);
- } else {
- help = accessible->text(QAccessible::Help);
- }
- if (help.size()) {
- *pszHelp = QStringToBSTR(help);
- return S_OK;
- }
-
- *pszHelp = 0;
- return S_FALSE;
-}
-
-HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accHelpTopic(BSTR *, VARIANT, long *)
-{
- return DISP_E_MEMBERNOTFOUND;
-}
-
-HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accKeyboardShortcut(VARIANT varID, BSTR *pszKeyboardShortcut)
-{
- Q_UNUSED(varID);
- accessibleDebugClientCalls(accessible);
- if (!accessible->isValid())
- return E_FAIL;
-
- *pszKeyboardShortcut = 0;
- if (QAccessibleActionInterface *actionIface = accessible->actionInterface()) {
- const QString def = actionIface->actionNames().value(0);
- if (!def.isEmpty()) {
- const QString keyBoardShortCut = actionIface->keyBindingsForAction(def).value(0);
- if (!keyBoardShortCut.isEmpty())
- *pszKeyboardShortcut = QStringToBSTR(keyBoardShortCut);
- }
- }
- return *pszKeyboardShortcut ? S_OK : S_FALSE;
-}
-
-static QAccessibleInterface *relatedInterface(QAccessibleInterface *iface, QAccessible::RelationFlag flag)
-{
- typedef QPair<QAccessibleInterface *, QAccessible::Relation> RelationPair;
- QVector<RelationPair> rels = iface->relations(flag);
-
- for (int i = 1; i < rels.count(); ++i)
- delete rels.at(i).first;
-
- return rels.value(0).first;
-}
-
-// moz: [important]
-HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accName(VARIANT varID, BSTR* pszName)
-{
- accessibleDebugClientCalls(accessible);
- if (!accessible->isValid())
- return E_FAIL;
-
- QString name;
- if (varID.lVal) {
- QAIPointer child = childPointer(varID);
- if (!child)
- return E_FAIL;
- name = child->text(QAccessible::Name);
- if (name.isEmpty()) {
- if (QAccessibleInterface *labelInterface = relatedInterface(child.data(), QAccessible::Label)) {
- name = labelInterface->text(QAccessible::Name);
- delete labelInterface;
- }
- }
- } else {
- name = accessible->text(QAccessible::Name);
- if (name.isEmpty()) {
- if (QAccessibleInterface *labelInterface = relatedInterface(accessible, QAccessible::Label)) {
- name = labelInterface->text(QAccessible::Name);
- delete labelInterface;
- }
- }
- }
- if (name.size()) {
- *pszName = QStringToBSTR(name);
- return S_OK;
- }
-
- *pszName = 0;
- return S_FALSE;
-}
-
-HRESULT STDMETHODCALLTYPE QWindowsAccessible::put_accName(VARIANT, BSTR)
-{
- accessibleDebugClientCalls(accessible);
- return DISP_E_MEMBERNOTFOUND;
-}
-
-// moz: [important]
-HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accRole(VARIANT varID, VARIANT *pvarRole)
-{
- accessibleDebugClientCalls(accessible);
- if (!accessible->isValid())
- return E_FAIL;
-
- QAccessible::Role role;
- if (varID.lVal) {
- QAIPointer child = childPointer(varID);
- if (!child)
- return E_FAIL;
- role = child->role();
- } else {
- role = accessible->role();
- }
-
- if (role != QAccessible::NoRole) {
- if (role == QAccessible::LayeredPane)
- role = QAccessible::Pane;
- (*pvarRole).vt = VT_I4;
- (*pvarRole).lVal = role;
- } else {
- (*pvarRole).vt = VT_EMPTY;
- }
- return S_OK;
-}
-
-// moz: [important]
-HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accState(VARIANT varID, VARIANT *pvarState)
-{
- accessibleDebugClientCalls(accessible);
- if (!accessible->isValid())
- return E_FAIL;
-
- QAccessible::State state;
- if (varID.lVal) {
- QAIPointer child = childPointer(varID);
- if (!child.data())
- return E_FAIL;
- state = child->state();
- } else {
- state = accessible->state();
- }
-
- LONG st = 0;
- if (state.animated)
- st |= STATE_SYSTEM_ANIMATED;
- if (state.busy)
- st |= STATE_SYSTEM_BUSY;
- if (state.checked)
- st |= STATE_SYSTEM_CHECKED;
- if (state.collapsed)
- st |= STATE_SYSTEM_COLLAPSED;
- if (state.defaultButton)
- st |= STATE_SYSTEM_DEFAULT;
- if (state.expanded)
- st |= STATE_SYSTEM_EXPANDED;
- if (state.extSelectable)
- st |= STATE_SYSTEM_EXTSELECTABLE;
- if (state.focusable)
- st |= STATE_SYSTEM_FOCUSABLE;
- if (state.focused)
- st |= STATE_SYSTEM_FOCUSED;
- if (state.hasPopup)
- st |= STATE_SYSTEM_HASPOPUP;
- if (state.hotTracked)
- st |= STATE_SYSTEM_HOTTRACKED;
- if (state.invisible)
- st |= STATE_SYSTEM_INVISIBLE;
- if (state.linked)
- st |= STATE_SYSTEM_LINKED;
- if (state.marqueed)
- st |= STATE_SYSTEM_MARQUEED;
- if (state.checkStateMixed)
- st |= STATE_SYSTEM_MIXED;
- if (state.movable)
- st |= STATE_SYSTEM_MOVEABLE;
- if (state.multiSelectable)
- st |= STATE_SYSTEM_MULTISELECTABLE;
- if (state.offscreen)
- st |= STATE_SYSTEM_OFFSCREEN;
- if (state.pressed)
- st |= STATE_SYSTEM_PRESSED;
- if (state.passwordEdit)
- st |= STATE_SYSTEM_PROTECTED;
- if (state.readOnly)
- st |= STATE_SYSTEM_READONLY;
- if (state.selectable)
- st |= STATE_SYSTEM_SELECTABLE;
- if (state.selected)
- st |= STATE_SYSTEM_SELECTED;
- if (state.selfVoicing)
- st |= STATE_SYSTEM_SELFVOICING;
- if (state.sizeable)
- st |= STATE_SYSTEM_SIZEABLE;
- if (state.traversed)
- st |= STATE_SYSTEM_TRAVERSED;
-
- (*pvarState).vt = VT_I4;
- (*pvarState).lVal = st;
- return S_OK;
-}
-
-// moz: [important]
-HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accValue(VARIANT varID, BSTR* pszValue)
-{
- accessibleDebugClientCalls(accessible);
- if (!accessible->isValid() || varID.lVal)
- return E_FAIL;
-
- QString value;
- if (accessible->valueInterface()) {
- value = QString::number(accessible->valueInterface()->currentValue().toDouble());
- } else {
- value = accessible->text(QAccessible::Value);
- }
- if (!value.isNull()) {
- *pszValue = QStringToBSTR(value);
- return S_OK;
- }
-
- *pszValue = 0;
- return S_FALSE;
-}
-
-HRESULT STDMETHODCALLTYPE QWindowsAccessible::put_accValue(VARIANT, BSTR)
-{
- accessibleDebugClientCalls(accessible);
- return DISP_E_MEMBERNOTFOUND;
-}
-
-// moz: [important]
-HRESULT STDMETHODCALLTYPE QWindowsAccessible::accSelect(long flagsSelect, VARIANT varID)
-{
- Q_UNUSED(flagsSelect);
- Q_UNUSED(varID);
- accessibleDebugClientCalls(accessible);
- if (!accessible->isValid())
- return E_FAIL;
-
- bool res = false;
-
-/*
- ### Check for accessibleTableInterface() or accessibleTextInterface()
-
- ### and if there are no ia2 interfaces we should do nothing??
- if (flagsSelect & SELFLAG_TAKEFOCUS)
- res = accessible->doAction(SetFocus, varID.lVal, QVariantList());
- if (flagsSelect & SELFLAG_TAKESELECTION) {
- accessible->doAction(ClearSelection, 0, QVariantList());
- res = accessible->doAction(AddToSelection, varID.lVal, QVariantList());
- }
- if (flagsSelect & SELFLAG_EXTENDSELECTION)
- res = accessible->doAction(ExtendSelection, varID.lVal, QVariantList());
- if (flagsSelect & SELFLAG_ADDSELECTION)
- res = accessible->doAction(AddToSelection, varID.lVal, QVariantList());
- if (flagsSelect & SELFLAG_REMOVESELECTION)
- res = accessible->doAction(RemoveSelection, varID.lVal, QVariantList());
-*/
- return res ? S_OK : S_FALSE;
-}
-
-/*!
- \internal
- Can return:
-
- +-------------+------------------------------------------------------------------------------+
- | VT_EMPTY | None. Neither this object nor any of its children has the keyboard focus. |
- +-------------+------------------------------------------------------------------------------+
- | VT_I4 | lVal is CHILDID_SELF. The object itself has the keyboard focus. |
- +-------------+------------------------------------------------------------------------------+
- | VT_I4 | lVal contains the child ID of the child element that has the keyboard focus. |
- +-------------+------------------------------------------------------------------------------+
- | VT_DISPATCH | pdispVal member is the address of the IDispatch interface for the child |
- | | object that has the keyboard focus. |
- +-------------+------------------------------------------------------------------------------+
- moz: [important]
-*/
-HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accFocus(VARIANT *pvarID)
-{
- accessibleDebugClientCalls(accessible);
- if (!accessible->isValid())
- return E_FAIL;
-
- if (QAccessibleInterface *acc = accessible->focusChild()) {
- if (compareAccessible(acc, accessible)) {
- (*pvarID).vt = VT_I4;
- (*pvarID).lVal = CHILDID_SELF;
- delete acc;
- return S_OK;
- } else {
- QWindowsAccessible* wacc = new QWindowsAccessible(acc);
- IDispatch *iface = 0;
- wacc->QueryInterface(IID_IDispatch, (void**)&iface);
- (*pvarID).vt = VT_DISPATCH;
- (*pvarID).pdispVal = iface;
- return S_OK;
- }
- delete acc;
- }
- (*pvarID).vt = VT_EMPTY;
- return S_FALSE;
-}
-
-HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accSelection(VARIANT *pvarChildren)
-{
- accessibleDebugClientCalls(accessible);
- if (!accessible->isValid())
- return E_FAIL;
-
- int cc = accessible->childCount();
- QVector<int> sel(cc);
- int selIndex = 0;
- for (int i = 0; i < cc; ++i) {
- bool isSelected = false;
- QAccessibleInterface *child = accessible->child(i);
- if (child) {
- isSelected = child->state().selected;
- delete child;
- }
- if (isSelected)
- sel[selIndex++] = i+1;
- }
- sel.resize(selIndex);
- if (sel.isEmpty()) {
- (*pvarChildren).vt = VT_EMPTY;
- return S_FALSE;
- }
- if (sel.size() == 1) {
- (*pvarChildren).vt = VT_I4;
- (*pvarChildren).lVal = sel[0];
- return S_OK;
- }
- IEnumVARIANT *iface = new QWindowsEnumerate(sel);
- IUnknown *uiface;
- iface->QueryInterface(IID_IUnknown, (void**)&uiface);
- (*pvarChildren).vt = VT_UNKNOWN;
- (*pvarChildren).punkVal = uiface;
-
- return S_OK;
-}
-
-static QWindow *window_helper(const QAccessibleInterface *iface)
-{
- QWindow *window = iface->window();
- if (!window) {
- QAccessibleInterface *acc = iface->parent();
- while (acc && !window) {
- window = acc->window();
- QAccessibleInterface *par = acc->parent();
- delete acc;
- acc = par;
- }
- }
- return window;
-}
-
-HRESULT STDMETHODCALLTYPE QWindowsAccessible::GetWindow(HWND *phwnd)
-{
- *phwnd = 0;
- if (!accessible->isValid())
- return E_UNEXPECTED;
-
- QWindow *window = window_helper(accessible);
- if (!window)
- return E_FAIL;
-
- QPlatformNativeInterface *platform = QGuiApplication::platformNativeInterface();
- Q_ASSERT(platform);
- *phwnd = (HWND)platform->nativeResourceForWindow("handle", window);
- return S_OK;
-}
-
-HRESULT STDMETHODCALLTYPE QWindowsAccessible::ContextSensitiveHelp(BOOL)
-{
- return S_OK;
-}
-
-
-QWindowsAccessibility::QWindowsAccessibility()
-{
-}
-
-
-void QWindowsAccessibility::notifyAccessibilityUpdate(const QAccessibleEvent &event)
-{
- QString soundName;
- switch (event.type()) {
- case QAccessible::PopupMenuStart:
- soundName = QLatin1String("MenuPopup");
- break;
-
- case QAccessible::MenuCommand:
- soundName = QLatin1String("MenuCommand");
- break;
-
- case QAccessible::Alert:
- {
- /* ### FIXME
-#ifndef QT_NO_MESSAGEBOX
- QMessageBox *mb = qobject_cast<QMessageBox*>(o);
- if (mb) {
- switch (mb->icon()) {
- case QMessageBox::Warning:
- soundName = QLatin1String("SystemExclamation");
- break;
- case QMessageBox::Critical:
- soundName = QLatin1String("SystemHand");
- break;
- case QMessageBox::Information:
- soundName = QLatin1String("SystemAsterisk");
- break;
- default:
- break;
- }
- } else
-#endif // QT_NO_MESSAGEBOX
-*/
- {
- soundName = QLatin1String("SystemAsterisk");
- }
-
- }
- break;
- default:
- break;
- }
-
- if (!soundName.isEmpty()) {
-#ifndef QT_NO_SETTINGS
- QSettings settings(QLatin1String("HKEY_CURRENT_USER\\AppEvents\\Schemes\\Apps\\.Default\\") + soundName,
- QSettings::NativeFormat);
- QString file = settings.value(QLatin1String(".Current/.")).toString();
-#else
- QString file;
-#endif
- if (!file.isEmpty()) {
- PlaySound(reinterpret_cast<const wchar_t *>(soundName.utf16()), 0, SND_ALIAS | SND_ASYNC | SND_NODEFAULT | SND_NOWAIT);
- }
- }
-
- typedef void (WINAPI *PtrNotifyWinEvent)(DWORD, HWND, LONG, LONG);
-
-#if defined(Q_OS_WINCE) // ### TODO: check for NotifyWinEvent in CE 6.0
- // There is no user32.lib nor NotifyWinEvent for CE
- return;
-#else
- static PtrNotifyWinEvent ptrNotifyWinEvent = 0;
- static bool resolvedNWE = false;
- if (!resolvedNWE) {
- resolvedNWE = true;
- ptrNotifyWinEvent = (PtrNotifyWinEvent)QSystemLibrary::resolve(QLatin1String("user32"), "NotifyWinEvent");
- }
- if (!ptrNotifyWinEvent)
- return;
-
- // An event has to be associated with a window,
- // so find the first parent that is a widget and that has a WId
- QAccessibleInterface *iface = event.accessibleInterface();
- QWindow *window = iface ? window_helper(iface) : 0;
- delete iface;
-
- if (!window) {
- window = QGuiApplication::activeWindow();
- if (!window)
- return;
- }
-
- QPlatformNativeInterface *platform = QGuiApplication::platformNativeInterface();
- HWND hWnd = (HWND)platform->nativeResourceForWindow("handle", window);
-
- if (event.type() != QAccessible::MenuCommand) { // MenuCommand is faked
- // See comment "SENDING EVENTS TO OBJECTS WITH NO WINDOW HANDLE"
- eventNum %= 50; //[0..49]
- int eventId = - eventNum - 1;
-
- qAccessibleRecentSentEvents()->insert(eventId, qMakePair(event.object(), event.child()));
- ptrNotifyWinEvent(event.type(), hWnd, OBJID_CLIENT, eventId );
-
- ++eventNum;
- }
-#endif // Q_OS_WINCE
-}
-
-/*
-void QWindowsAccessibility::setRootObject(QObject *o)
-{
-
-}
-
-void QWindowsAccessibility::initialize()
-{
-
-}
-
-void QWindowsAccessibility::cleanup()
-{
-
-}
-
-*/
-
-bool QWindowsAccessibility::handleAccessibleObjectFromWindowRequest(HWND hwnd, WPARAM wParam, LPARAM lParam, LRESULT *lResult)
-{
- if (static_cast<long>(lParam) == static_cast<long>(UiaRootObjectId)) {
- /* For UI Automation
- */
- } else if ((DWORD)lParam == OBJID_CLIENT) {
-#if 1
- // Ignoring all requests while starting up
- // ### Maybe QPA takes care of this???
- if (QApplication::startingUp() || QApplication::closingDown())
- return false;
-#endif
-
- typedef LRESULT (WINAPI *PtrLresultFromObject)(REFIID, WPARAM, LPUNKNOWN);
- static PtrLresultFromObject ptrLresultFromObject = 0;
- static bool oleaccChecked = false;
-
- if (!oleaccChecked) {
- oleaccChecked = true;
-#if !defined(Q_OS_WINCE)
- ptrLresultFromObject = (PtrLresultFromObject)QSystemLibrary::resolve(QLatin1String("oleacc"), "LresultFromObject");
-#endif
- }
-
- if (ptrLresultFromObject) {
- QWindow *window = QWindowsContext::instance()->findWindow(hwnd);
- if (window) {
- QAccessibleInterface *acc = window->accessibleRoot();
- if (acc) {
- QWindowsAccessible *winacc = new QWindowsAccessible(acc);
- IAccessible *iface;
- HRESULT hr = winacc->QueryInterface(IID_IAccessible, (void**)&iface);
- if (SUCCEEDED(hr)) {
- *lResult = ptrLresultFromObject(IID_IAccessible, wParam, iface); // ref == 2
- if (*lResult) {
- iface->Release(); // the client will release the object again, and then it will destroy itself
- }
- return true;
- }
- }
- }
- }
- }
- return false;
-}
-
-QT_END_NAMESPACE
-
-#endif //QT_NO_ACCESSIBILITY