diff options
Diffstat (limited to 'src/plugins/platforms/windows/accessible/qwindowsmsaaaccessible.cpp')
| -rw-r--r-- | src/plugins/platforms/windows/accessible/qwindowsmsaaaccessible.cpp | 1223 |
1 files changed, 0 insertions, 1223 deletions
diff --git a/src/plugins/platforms/windows/accessible/qwindowsmsaaaccessible.cpp b/src/plugins/platforms/windows/accessible/qwindowsmsaaaccessible.cpp deleted file mode 100644 index 47b179250a..0000000000 --- a/src/plugins/platforms/windows/accessible/qwindowsmsaaaccessible.cpp +++ /dev/null @@ -1,1223 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the plugins of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include <QtCore/QtConfig> -#ifndef QT_NO_ACCESSIBILITY - -#include "qwindowsmsaaaccessible.h" -#include "qwindowsaccessibility.h" -#include "qwindowscombase.h" -#include <oleacc.h> -#include <servprov.h> -#include <winuser.h> -#include "comutils.h" - -#include <QtCore/qdebug.h> -#include <QtCore/qmap.h> -#include <QtCore/qpair.h> -#include <QtGui/qaccessible.h> -#include <QtGui/qguiapplication.h> -#include <qpa/qplatformnativeinterface.h> -#include <QtGui/qwindow.h> -#include <QtGui/private/qhighdpiscaling_p.h> - -//#include <uiautomationcoreapi.h> -#ifndef UiaRootObjectId -#define UiaRootObjectId -25 -#endif - -#if !defined(Q_CC_BOR) && !defined (Q_CC_GNU) -#include <comdef.h> -#endif - - -#include <QtCore/qt_windows.h> - - -QT_BEGIN_NAMESPACE - -class QWindowsEnumerate : public QWindowsComBase<IEnumVARIANT> -{ -public: - QWindowsEnumerate(const QVector<int> &a) : QWindowsComBase<IEnumVARIANT>(0), current(0),array(a) {} - virtual ~QWindowsEnumerate() {} - - 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 current; - QVector<int> array; -}; - -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 = ULONG(array.size()); - return S_FALSE; - } - return S_OK; -} - -#if defined(DEBUG_SHOW_ATCLIENT_COMMANDS) -void accessibleDebugClientCalls_helper(const char* funcName, const QAccessibleInterface *iface) -{ - qCDebug(lcQpaAccessibility) << iface << funcName; -} -#endif - -/**************************************************************\ - * * - * IUnknown * - * * - **************************************************************/ -HRESULT STDMETHODCALLTYPE QWindowsMsaaAccessible::QueryInterface(REFIID id, LPVOID *iface) -{ - *iface = nullptr; - const bool result = qWindowsComQueryUnknownInterfaceMulti<IAccessible2>(this, id, iface) - || qWindowsComQueryInterface<IDispatch>(this, id, iface) - || qWindowsComQueryInterface<IAccessible>(this, id, iface) - || qWindowsComQueryInterface<IOleWindow>(this, id, iface); - - if (result) { - qCDebug(lcQpaAccessibility) << "QWindowsIA2Accessible::QI() - " - << QWindowsAccessibleGuid(id) << ", iface:" << accessibleInterface(); - } - return result ? S_OK : E_NOINTERFACE; -} - -ULONG STDMETHODCALLTYPE QWindowsMsaaAccessible::AddRef() -{ - return ++ref; -} - -ULONG STDMETHODCALLTYPE QWindowsMsaaAccessible::Release() -{ - if (!--ref) { - delete this; - return 0; - } - return ref; -} - - -/* - IDispatch -*/ - -HRESULT STDMETHODCALLTYPE QWindowsMsaaAccessible::GetTypeInfoCount(unsigned int * pctinfo) -{ - // We don't use a type library - *pctinfo = 0; - return S_OK; -} - -HRESULT STDMETHODCALLTYPE QWindowsMsaaAccessible::GetTypeInfo(unsigned int, unsigned long, ITypeInfo **pptinfo) -{ - // We don't use a type library - *pptinfo = 0; - return S_OK; -} - -HRESULT STDMETHODCALLTYPE QWindowsMsaaAccessible::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 QWindowsMsaaAccessible::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 QWindowsMsaaAccessible::accHitTest(long xLeft, long yTop, VARIANT *pvarID) -{ - QAccessibleInterface *accessible = accessibleInterface(); - accessibleDebugClientCalls(accessible); - if (!accessible) - return E_FAIL; - - const QPoint pos = QHighDpi::fromNativeLocalPosition(QPoint(xLeft, yTop), - QWindowsAccessibility::windowHelper(accessible)); - QAccessibleInterface *child = accessible->childAt(pos.x(), pos.y()); - 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 { - IAccessible *iface = QWindowsAccessibility::wrap(child); - 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 QWindowsMsaaAccessible::accLocation(long *pxLeft, long *pyTop, long *pcxWidth, long *pcyHeight, VARIANT varID) -{ - QAccessibleInterface *accessible = accessibleInterface(); - accessibleDebugClientCalls(accessible); - if (!accessible) - return E_FAIL; - - QAccessibleInterface *acc = childPointer(accessible, varID); - if (!acc || !acc->isValid()) - return E_FAIL; - const QRect rect = QHighDpi::toNativePixels(acc->rect(), - QWindowsAccessibility::windowHelper(accessible)); - - *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 QWindowsMsaaAccessible::accNavigate(long navDir, VARIANT varStart, VARIANT *pvarEnd) -{ - QAccessibleInterface *accessible = accessibleInterface(); - accessibleDebugClientCalls(accessible); - if (!accessible) - 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 && parent->isValid()) { - int index = parent->indexOfChild(accessible); - index += (navDir == NAVDIR_NEXT) ? 1 : -1; - if (index >= 0 && index < parent->childCount()) - acc = parent->child(index); - } - } 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: { - QAccessibleInterface *pIface = accessible->parent(); - if (pIface && pIface->isValid()) { - 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 - 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) { - 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) { - 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) { - 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) { - 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) { - candidate = sibling; - mindist = dist; - } - } - acc = candidate; - } - } - break; - default: - break; - } - if (!acc) { - (*pvarEnd).vt = VT_EMPTY; - return S_FALSE; - } - - if (IAccessible *iface = QWindowsAccessibility::wrap(acc)) { - (*pvarEnd).vt = VT_DISPATCH; - (*pvarEnd).pdispVal = iface; - return S_OK; - } - - (*pvarEnd).vt = VT_EMPTY; - return S_FALSE; -} - -// moz: [important] -HRESULT STDMETHODCALLTYPE QWindowsMsaaAccessible::get_accChild(VARIANT varChildID, IDispatch** ppdispChild) -{ - QAccessibleInterface *accessible = accessibleInterface(); - accessibleDebugClientCalls(accessible); - if (!accessible) - return E_FAIL; - - if (varChildID.vt != VT_I4) - return E_INVALIDARG; - - QAccessibleInterface *acc = childPointer(accessible, varChildID); - if (acc && acc->isValid()) { - *ppdispChild = QWindowsAccessibility::wrap(acc); - return S_OK; - } - - return E_FAIL; -} - -// moz: [important] -HRESULT STDMETHODCALLTYPE QWindowsMsaaAccessible::get_accChildCount(long* pcountChildren) -{ - QAccessibleInterface *accessible = accessibleInterface(); - accessibleDebugClientCalls(accessible); - if (!accessible) - return E_FAIL; - - *pcountChildren = accessible->childCount(); - return S_OK; -} - -// moz: [important] -HRESULT STDMETHODCALLTYPE QWindowsMsaaAccessible::get_accParent(IDispatch** ppdispParent) -{ - QAccessibleInterface *accessible = accessibleInterface(); - accessibleDebugClientCalls(accessible); - if (!accessible) - return E_FAIL; - - QAccessibleInterface *acc = accessible->parent(); - if (acc) { - if (IAccessible *iface = QWindowsAccessibility::wrap(acc)) { - *ppdispParent = iface; - return S_OK; - } - } - - *ppdispParent = 0; - return S_FALSE; -} - -/* - Properties and methods -*/ -HRESULT STDMETHODCALLTYPE QWindowsMsaaAccessible::accDoDefaultAction(VARIANT varID) -{ - Q_UNUSED(varID); - QAccessibleInterface *accessible = accessibleInterface(); - accessibleDebugClientCalls(accessible); - if (!accessible) - 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 QWindowsMsaaAccessible::get_accDefaultAction(VARIANT varID, BSTR* pszDefaultAction) -{ - Q_UNUSED(varID); - QAccessibleInterface *accessible = accessibleInterface(); - accessibleDebugClientCalls(accessible); - if (!accessible) - 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 QWindowsMsaaAccessible::get_accDescription(VARIANT varID, BSTR* pszDescription) -{ - QAccessibleInterface *accessible = accessibleInterface(); - accessibleDebugClientCalls(accessible); - if (!accessible) - return E_FAIL; - - - QString descr; - if (varID.lVal) { - QAccessibleInterface *child = childPointer(accessible, varID); - if (!child || !child->isValid()) - 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 QWindowsMsaaAccessible::get_accHelp(VARIANT varID, BSTR *pszHelp) -{ - QAccessibleInterface *accessible = accessibleInterface(); - accessibleDebugClientCalls(accessible); - if (!accessible) - return E_FAIL; - - QString help; - if (varID.lVal) { - QAccessibleInterface *child = childPointer(accessible, varID); - if (!child || !child->isValid()) - 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 QWindowsMsaaAccessible::get_accHelpTopic(BSTR *, VARIANT, long *) -{ - return DISP_E_MEMBERNOTFOUND; -} - -HRESULT STDMETHODCALLTYPE QWindowsMsaaAccessible::get_accKeyboardShortcut(VARIANT varID, BSTR *pszKeyboardShortcut) -{ - Q_UNUSED(varID); - QAccessibleInterface *accessible = accessibleInterface(); - accessibleDebugClientCalls(accessible); - if (!accessible) - 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); - - return rels.value(0).first; -} - -// moz: [important] -HRESULT STDMETHODCALLTYPE QWindowsMsaaAccessible::get_accName(VARIANT varID, BSTR* pszName) -{ - QAccessibleInterface *accessible = accessibleInterface(); - accessibleDebugClientCalls(accessible); - if (!accessible) - return E_FAIL; - - QString name; - if (varID.lVal) { - QAccessibleInterface *child = childPointer(accessible, varID); - if (!child || !child->isValid()) - return E_FAIL; - name = child->text(QAccessible::Name); - if (name.isEmpty()) { - if (QAccessibleInterface *labelInterface = relatedInterface(child, QAccessible::Label)) { - name = labelInterface->text(QAccessible::Name); - } - } - } else { - name = accessible->text(QAccessible::Name); - if (name.isEmpty()) { - if (QAccessibleInterface *labelInterface = relatedInterface(accessible, QAccessible::Label)) { - name = labelInterface->text(QAccessible::Name); - } - } - } - - QString shortcut = accessible->text(QAccessible::Accelerator); - if (!shortcut.isEmpty()) - name += QLatin1Char(' ') + shortcut; - - if (name.size()) { - *pszName = QStringToBSTR(name); - return S_OK; - } - - *pszName = 0; - return S_FALSE; -} - -HRESULT STDMETHODCALLTYPE QWindowsMsaaAccessible::put_accName(VARIANT, BSTR) -{ - QAccessibleInterface *accessible = accessibleInterface(); - accessibleDebugClientCalls(accessible); - return DISP_E_MEMBERNOTFOUND; -} - -// moz: [important] -HRESULT STDMETHODCALLTYPE QWindowsMsaaAccessible::get_accRole(VARIANT varID, VARIANT *pvarRole) -{ - QAccessibleInterface *accessible = accessibleInterface(); - accessibleDebugClientCalls(accessible); - if (!accessible) - return E_FAIL; - - QAccessible::Role role; - if (varID.lVal) { - QAccessibleInterface *child = childPointer(accessible, varID); - if (!child || !child->isValid()) - return E_FAIL; - role = child->role(); - } else { - role = accessible->role(); - } - - if (role != QAccessible::NoRole) { - if (role >= QAccessible::LayeredPane) { - // This block should hopefully only be entered if the AT client - // does not support IAccessible2, since it should prefer IA2::role() then. - if (role == QAccessible::LayeredPane) - role = QAccessible::Pane; - else if (role == QAccessible::WebDocument) - role = QAccessible::Document; - else - role = QAccessible::Client; - } - (*pvarRole).vt = VT_I4; - (*pvarRole).lVal = role; - } else { - (*pvarRole).vt = VT_EMPTY; - } - return S_OK; -} - -// moz: [important] -HRESULT STDMETHODCALLTYPE QWindowsMsaaAccessible::get_accState(VARIANT varID, VARIANT *pvarState) -{ - QAccessibleInterface *accessible = accessibleInterface(); - accessibleDebugClientCalls(accessible); - if (!accessible) - return E_FAIL; - - QAccessible::State state; - if (varID.lVal) { - QAccessibleInterface *child = childPointer(accessible, varID); - if (!child || !child->isValid()) - 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; - if (state.disabled) - st |= STATE_SYSTEM_UNAVAILABLE; - - (*pvarState).vt = VT_I4; - (*pvarState).lVal = st; - return S_OK; -} - -// moz: [important] -HRESULT STDMETHODCALLTYPE QWindowsMsaaAccessible::get_accValue(VARIANT varID, BSTR* pszValue) -{ - QAccessibleInterface *accessible = accessibleInterface(); - accessibleDebugClientCalls(accessible); - if (varID.vt != VT_I4) - return E_INVALIDARG; - - if (!accessible || !accessible->isValid() || varID.lVal) { - return E_FAIL; - } - - QString value; - if (accessible->valueInterface()) { - value = accessible->valueInterface()->currentValue().toString(); - } else { - value = accessible->text(QAccessible::Value); - } - if (!value.isNull()) { - *pszValue = QStringToBSTR(value); - return S_OK; - } - - *pszValue = 0; - qCDebug(lcQpaAccessibility) << "return S_FALSE"; - return S_FALSE; -} - -HRESULT STDMETHODCALLTYPE QWindowsMsaaAccessible::put_accValue(VARIANT, BSTR value) -{ - QAccessibleInterface *accessible = accessibleInterface(); - accessibleDebugClientCalls(accessible); - - if (!accessible || !accessible->isValid()) { - return E_FAIL; - } - - QString qstrValue = QString::fromWCharArray(value); - - if (accessible->valueInterface()) { - accessible->valueInterface()->setCurrentValue(qstrValue); - } else { - accessible->setText(QAccessible::Value, qstrValue); - } - - return S_OK; -} - -// moz: [important] -HRESULT STDMETHODCALLTYPE QWindowsMsaaAccessible::accSelect(long flagsSelect, VARIANT varID) -{ - Q_UNUSED(flagsSelect); - Q_UNUSED(varID); - QAccessibleInterface *accessible = accessibleInterface(); - accessibleDebugClientCalls(accessible); - if (!accessible) - 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 QWindowsMsaaAccessible::get_accFocus(VARIANT *pvarID) -{ - QAccessibleInterface *accessible = accessibleInterface(); - accessibleDebugClientCalls(accessible); - if (!accessible) - return E_FAIL; - - if (QAccessibleInterface *acc = accessible->focusChild()) { - if (acc == accessible) { - (*pvarID).vt = VT_I4; - (*pvarID).lVal = CHILDID_SELF; - return S_OK; - } else { - if (IAccessible *iface = QWindowsAccessibility::wrap(acc)) { - (*pvarID).vt = VT_DISPATCH; - (*pvarID).pdispVal = iface; - return S_OK; - } - } - } - (*pvarID).vt = VT_EMPTY; - return S_FALSE; -} - -HRESULT STDMETHODCALLTYPE QWindowsMsaaAccessible::get_accSelection(VARIANT *pvarChildren) -{ - QAccessibleInterface *accessible = accessibleInterface(); - accessibleDebugClientCalls(accessible); - if (!accessible) - 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; - } - 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; -} - -/**************************************************************\ - * IOleWindow * - **************************************************************/ -HRESULT STDMETHODCALLTYPE QWindowsMsaaAccessible::GetWindow(HWND *phwnd) -{ - *phwnd = 0; - QAccessibleInterface *accessible = accessibleInterface(); - accessibleDebugClientCalls(accessible); - if (!accessible) - return E_FAIL; - - QWindow *window = QWindowsAccessibility::windowHelper(accessible); - if (!window) - return E_FAIL; - - QPlatformNativeInterface *platform = QGuiApplication::platformNativeInterface(); - Q_ASSERT(platform); - *phwnd = (HWND)platform->nativeResourceForWindow("handle", window); - qCDebug(lcQpaAccessibility) << "QWindowsAccessible::GetWindow(): " << *phwnd; - return S_OK; -} - -HRESULT STDMETHODCALLTYPE QWindowsMsaaAccessible::ContextSensitiveHelp(BOOL) -{ - return S_OK; -} - -const char *QWindowsAccessibleGuid::iidToString(const GUID &id) -{ - const char *result = nullptr; - if (id == IID_IUnknown) - result = "IID_IUnknown"; - else if (id == IID_IDispatch) - result = "IID_IDispatch"; - else if (id == IID_IAccessible) - result = "IID_IAccessible"; - else if (id == IID_IOleWindow) - result = "IID_IOleWindow"; - else if (id == IID_IServiceProvider) - result = "IID_IServiceProvider"; - else if (id == IID_IAccessible2) - result = "IID_IAccessible2"; - else if (id == IID_IAccessibleAction) - result = "IID_IAccessibleAction"; - else if (id == IID_IAccessibleApplication) - result = "IID_IAccessibleApplication"; - else if (id == IID_IAccessibleComponent) - result = "IID_IAccessibleComponent"; - else if (id == IID_IAccessibleEditableText) - result = "IID_IAccessibleEditableText"; - else if (id == IID_IAccessibleHyperlink) - result = "IID_IAccessibleHyperlink"; - else if (id == IID_IAccessibleHypertext) - result = "IID_IAccessibleHypertext"; - else if (id == IID_IAccessibleImage) - result = "IID_IAccessibleImage"; - else if (id == IID_IAccessibleRelation) - result = "IID_IAccessibleRelation"; - else if (id == IID_IAccessibleTable) - result = "IID_IAccessibleTable"; - else if (id == IID_IAccessibleTable2) - result = "IID_IAccessibleTable2"; - else if (id == IID_IAccessibleTableCell) - result = "IID_IAccessibleTableCell"; - else if (id == IID_IAccessibleText) - result = "IID_IAccessibleText"; - else if (id == IID_IAccessibleValue) - result = "IID_IAccessibleValue"; - return result; -} - -#ifndef QT_NO_DEBUG_STREAM -QDebug operator<<(QDebug, const GUID &); - -QDebug operator<<(QDebug d, const QWindowsAccessibleGuid &aguid) -{ - QDebugStateSaver saver(d); - d.nospace(); - if (const char *ids = QWindowsAccessibleGuid::iidToString(aguid.guid())) - d << ids; - else - d << aguid.guid(); - return d; -} -#endif // !QT_NO_DEBUG_STREAM - -QT_END_NAMESPACE - -#endif //QT_NO_ACCESSIBILITY |