diff options
Diffstat (limited to 'src/plugins/platforms/windows/qwindowsaccessibility.cpp')
-rw-r--r-- | src/plugins/platforms/windows/qwindowsaccessibility.cpp | 134 |
1 files changed, 90 insertions, 44 deletions
diff --git a/src/plugins/platforms/windows/qwindowsaccessibility.cpp b/src/plugins/platforms/windows/qwindowsaccessibility.cpp index 3ef21fa0b7..134b1c81ce 100644 --- a/src/plugins/platforms/windows/qwindowsaccessibility.cpp +++ b/src/plugins/platforms/windows/qwindowsaccessibility.cpp @@ -88,25 +88,54 @@ QT_BEGIN_NAMESPACE -//#define DEBUG_SHOW_ATCLIENT_COMMANDS -#ifdef DEBUG_SHOW_ATCLIENT_COMMANDS +#ifndef QT_NO_DEBUG QT_BEGIN_INCLUDE_NAMESPACE -#include <qdebug.h> +# 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 -void showDebug(const char* funcName, const QAccessibleInterface *iface) +//#define DEBUG_SHOW_ATCLIENT_COMMANDS +#if defined(DEBUG_SHOW_ATCLIENT_COMMANDS) +void accessibleDebugClientCalls_helper(const char* funcName, const QAccessibleInterface *iface) { - qDebug() << "Role:" << qAccessibleRoleString(iface->role(0)) - << "Name:" << iface->text(QAccessible::Name, 0) - << "State:" << QString::number(int(iface->state(0)), 16) - << QLatin1String(funcName); + QString str; + QDebug dbg(&str); + dbg << iface << QLatin1String(funcName); + accessibleDebug("%s", qPrintable(str)); } +# define accessibleDebugClientCalls(iface) accessibleDebugClientCalls_helper(Q_FUNC_INFO, iface) #else -# define showDebug(f, iface) +# 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) @@ -595,7 +624,7 @@ IAccessible::accHitTest documents the value returned in pvarID like this: HRESULT STDMETHODCALLTYPE QWindowsAccessible::accHitTest(long xLeft, long yTop, VARIANT *pvarID) { - showDebug(__FUNCTION__, accessible); + accessibleDebugClientCalls(accessible); if (!accessible->isValid()) return E_FAIL; @@ -635,7 +664,7 @@ HRESULT STDMETHODCALLTYPE QWindowsAccessible::accHitTest(long xLeft, long yTop, // moz: [important] HRESULT STDMETHODCALLTYPE QWindowsAccessible::accLocation(long *pxLeft, long *pyTop, long *pcxWidth, long *pcyHeight, VARIANT varID) { - showDebug(__FUNCTION__, accessible); + accessibleDebugClientCalls(accessible); if (!accessible->isValid()) return E_FAIL; @@ -659,7 +688,7 @@ HRESULT STDMETHODCALLTYPE QWindowsAccessible::accLocation(long *pxLeft, long *py // moz: [important, but no need to implement up/down/left/right] HRESULT STDMETHODCALLTYPE QWindowsAccessible::accNavigate(long navDir, VARIANT varStart, VARIANT *pvarEnd) { - showDebug(__FUNCTION__, accessible); + accessibleDebugClientCalls(accessible); if (!accessible->isValid()) return E_FAIL; @@ -799,7 +828,7 @@ HRESULT STDMETHODCALLTYPE QWindowsAccessible::accNavigate(long navDir, VARIANT v // moz: [important] HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accChild(VARIANT varChildID, IDispatch** ppdispChild) { - showDebug(__FUNCTION__, accessible); + accessibleDebugClientCalls(accessible); if (!accessible->isValid()) return E_FAIL; @@ -815,14 +844,12 @@ HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accChild(VARIANT varChildID, I QPair<QObject*, int> ref = qAccessibleRecentSentEvents()->value(entry); if (ref.first) { acc = QAccessible::queryAccessibleInterface(ref.first); - if (acc && ref.second) { - if (ref.second) { - QAccessibleInterface *res = acc->child(ref.second - 1); - delete acc; - if (!res) - return E_INVALIDARG; - acc = res; - } + if (acc && ref.second >= 0) { + QAccessibleInterface *res = acc->child(ref.second); + delete acc; + if (!res) + return E_INVALIDARG; + acc = res; } } } else { @@ -853,7 +880,7 @@ HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accChild(VARIANT varChildID, I // moz: [important] HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accChildCount(long* pcountChildren) { - showDebug(__FUNCTION__, accessible); + accessibleDebugClientCalls(accessible); if (!accessible->isValid()) return E_FAIL; @@ -864,7 +891,7 @@ HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accChildCount(long* pcountChil // moz: [important] HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accParent(IDispatch** ppdispParent) { - showDebug(__FUNCTION__, accessible); + accessibleDebugClientCalls(accessible); if (!accessible->isValid()) return E_FAIL; @@ -887,7 +914,7 @@ HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accParent(IDispatch** ppdispPa HRESULT STDMETHODCALLTYPE QWindowsAccessible::accDoDefaultAction(VARIANT varID) { Q_UNUSED(varID); - showDebug(__FUNCTION__, accessible); + accessibleDebugClientCalls(accessible); if (!accessible->isValid()) return E_FAIL; @@ -904,7 +931,7 @@ HRESULT STDMETHODCALLTYPE QWindowsAccessible::accDoDefaultAction(VARIANT varID) HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accDefaultAction(VARIANT varID, BSTR* pszDefaultAction) { Q_UNUSED(varID); - showDebug(__FUNCTION__, accessible); + accessibleDebugClientCalls(accessible); if (!accessible->isValid()) return E_FAIL; @@ -919,7 +946,7 @@ HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accDefaultAction(VARIANT varID HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accDescription(VARIANT varID, BSTR* pszDescription) { - showDebug(__FUNCTION__, accessible); + accessibleDebugClientCalls(accessible); if (!accessible->isValid()) return E_FAIL; @@ -944,7 +971,7 @@ HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accDescription(VARIANT varID, HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accHelp(VARIANT varID, BSTR *pszHelp) { - showDebug(__FUNCTION__, accessible); + accessibleDebugClientCalls(accessible); if (!accessible->isValid()) return E_FAIL; @@ -974,7 +1001,7 @@ HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accHelpTopic(BSTR *, VARIANT, HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accKeyboardShortcut(VARIANT varID, BSTR *pszKeyboardShortcut) { Q_UNUSED(varID); - showDebug(__FUNCTION__, accessible); + accessibleDebugClientCalls(accessible); if (!accessible->isValid()) return E_FAIL; @@ -1004,7 +1031,7 @@ static QAccessibleInterface *relatedInterface(QAccessibleInterface *iface, QAcce // moz: [important] HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accName(VARIANT varID, BSTR* pszName) { - showDebug(__FUNCTION__, accessible); + accessibleDebugClientCalls(accessible); if (!accessible->isValid()) return E_FAIL; @@ -1040,14 +1067,14 @@ HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accName(VARIANT varID, BSTR* p HRESULT STDMETHODCALLTYPE QWindowsAccessible::put_accName(VARIANT, BSTR) { - showDebug(__FUNCTION__, accessible); + accessibleDebugClientCalls(accessible); return DISP_E_MEMBERNOTFOUND; } // moz: [important] HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accRole(VARIANT varID, VARIANT *pvarRole) { - showDebug(__FUNCTION__, accessible); + accessibleDebugClientCalls(accessible); if (!accessible->isValid()) return E_FAIL; @@ -1075,7 +1102,7 @@ HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accRole(VARIANT varID, VARIANT // moz: [important] HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accState(VARIANT varID, VARIANT *pvarState) { - showDebug(__FUNCTION__, accessible); + accessibleDebugClientCalls(accessible); if (!accessible->isValid()) return E_FAIL; @@ -1151,7 +1178,7 @@ HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accState(VARIANT varID, VARIAN // moz: [important] HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accValue(VARIANT varID, BSTR* pszValue) { - showDebug(__FUNCTION__, accessible); + accessibleDebugClientCalls(accessible); if (!accessible->isValid() || varID.lVal) return E_FAIL; @@ -1172,7 +1199,7 @@ HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accValue(VARIANT varID, BSTR* HRESULT STDMETHODCALLTYPE QWindowsAccessible::put_accValue(VARIANT, BSTR) { - showDebug(__FUNCTION__, accessible); + accessibleDebugClientCalls(accessible); return DISP_E_MEMBERNOTFOUND; } @@ -1181,7 +1208,7 @@ HRESULT STDMETHODCALLTYPE QWindowsAccessible::accSelect(long flagsSelect, VARIAN { Q_UNUSED(flagsSelect); Q_UNUSED(varID); - showDebug(__FUNCTION__, accessible); + accessibleDebugClientCalls(accessible); if (!accessible->isValid()) return E_FAIL; @@ -1207,24 +1234,43 @@ HRESULT STDMETHODCALLTYPE QWindowsAccessible::accSelect(long flagsSelect, VARIAN return res ? S_OK : S_FALSE; } -// moz: [important] +/*! + \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) { - showDebug(__FUNCTION__, accessible); + accessibleDebugClientCalls(accessible); if (!accessible->isValid()) return E_FAIL; if (QAccessibleInterface *acc = accessible->focusChild()) { - QWindowsAccessible* wacc = new QWindowsAccessible(acc); - IDispatch *iface = 0; - wacc->QueryInterface(IID_IDispatch, (void**)&iface); - if (iface) { + 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; - } else { - delete wacc; } + delete acc; } (*pvarID).vt = VT_EMPTY; return S_FALSE; @@ -1232,7 +1278,7 @@ HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accFocus(VARIANT *pvarID) HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accSelection(VARIANT *pvarChildren) { - showDebug(__FUNCTION__, accessible); + accessibleDebugClientCalls(accessible); if (!accessible->isValid()) return E_FAIL; |