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authorLars Knoll <lars.knoll@nokia.com>2009-03-23 09:18:55 (GMT)
committerSimon Hausmann <simon.hausmann@nokia.com>2009-03-23 09:18:55 (GMT)
commite5fcad302d86d316390c6b0f62759a067313e8a9 (patch)
treec2afbf6f1066b6ce261f14341cf6d310e5595bc1 /src/gui/accessible/qaccessible_win.cpp
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Long live Qt 4.5!
Diffstat (limited to 'src/gui/accessible/qaccessible_win.cpp')
-rw-r--r--src/gui/accessible/qaccessible_win.cpp1219
1 files changed, 1219 insertions, 0 deletions
diff --git a/src/gui/accessible/qaccessible_win.cpp b/src/gui/accessible/qaccessible_win.cpp
new file mode 100644
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--- /dev/null
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@@ -0,0 +1,1219 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#include "qaccessible.h"
+#ifndef QT_NO_ACCESSIBILITY
+
+#include "qapplication.h"
+#include "qlibrary.h"
+#include "qmessagebox.h" // ### dependency
+#include "qt_windows.h"
+#include "qwidget.h"
+#include "qsettings.h"
+
+#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
+
+QT_BEGIN_NAMESPACE
+
+//#define DEBUG_SHOW_ATCLIENT_COMMANDS
+#ifdef DEBUG_SHOW_ATCLIENT_COMMANDS
+QT_BEGIN_INCLUDE_NAMESPACE
+#include <qdebug.h>
+QT_END_INCLUDE_NAMESPACE
+
+static const char *roleString(QAccessible::Role role)
+{
+ static const char *roles[] = {
+ "NoRole" /*= 0x00000000*/,
+ "TitleBar" /*= 0x00000001*/,
+ "MenuBar" /*= 0x00000002*/,
+ "ScrollBar" /*= 0x00000003*/,
+ "Grip" /*= 0x00000004*/,
+ "Sound" /*= 0x00000005*/,
+ "Cursor" /*= 0x00000006*/,
+ "Caret" /*= 0x00000007*/,
+ "AlertMessage" /*= 0x00000008*/,
+ "Window" /*= 0x00000009*/,
+ "Client" /*= 0x0000000A*/,
+ "PopupMenu" /*= 0x0000000B*/,
+ "MenuItem" /*= 0x0000000C*/,
+ "ToolTip" /*= 0x0000000D*/,
+ "Application" /*= 0x0000000E*/,
+ "Document" /*= 0x0000000F*/,
+ "Pane" /*= 0x00000010*/,
+ "Chart" /*= 0x00000011*/,
+ "Dialog" /*= 0x00000012*/,
+ "Border" /*= 0x00000013*/,
+ "Grouping" /*= 0x00000014*/,
+ "Separator" /*= 0x00000015*/,
+ "ToolBar" /*= 0x00000016*/,
+ "StatusBar" /*= 0x00000017*/,
+ "Table" /*= 0x00000018*/,
+ "ColumnHeader" /*= 0x00000019*/,
+ "RowHeader" /*= 0x0000001A*/,
+ "Column" /*= 0x0000001B*/,
+ "Row" /*= 0x0000001C*/,
+ "Cell" /*= 0x0000001D*/,
+ "Link" /*= 0x0000001E*/,
+ "HelpBalloon" /*= 0x0000001F*/,
+ "Assistant" /*= 0x00000020*/,
+ "List" /*= 0x00000021*/,
+ "ListItem" /*= 0x00000022*/,
+ "Tree" /*= 0x00000023*/,
+ "TreeItem" /*= 0x00000024*/,
+ "PageTab" /*= 0x00000025*/,
+ "PropertyPage" /*= 0x00000026*/,
+ "Indicator" /*= 0x00000027*/,
+ "Graphic" /*= 0x00000028*/,
+ "StaticText" /*= 0x00000029*/,
+ "EditableText" /*= 0x0000002A*/, // Editable, selectable, etc.
+ "PushButton" /*= 0x0000002B*/,
+ "CheckBox" /*= 0x0000002C*/,
+ "RadioButton" /*= 0x0000002D*/,
+ "ComboBox" /*= 0x0000002E*/,
+ "DropList" /*= 0x0000002F*/, // commented out
+ "ProgressBar" /*= 0x00000030*/,
+ "Dial" /*= 0x00000031*/,
+ "HotkeyField" /*= 0x00000032*/,
+ "Slider" /*= 0x00000033*/,
+ "SpinBox" /*= 0x00000034*/,
+ "Canvas" /*= 0x00000035*/,
+ "Animation" /*= 0x00000036*/,
+ "Equation" /*= 0x00000037*/,
+ "ButtonDropDown" /*= 0x00000038*/,
+ "ButtonMenu" /*= 0x00000039*/,
+ "ButtonDropGrid" /*= 0x0000003A*/,
+ "Whitespace" /*= 0x0000003B*/,
+ "PageTabList" /*= 0x0000003C*/,
+ "Clock" /*= 0x0000003D*/,
+ "Splitter" /*= 0x0000003E*/,
+ "LayeredPane" /*= 0x0000003F*/,
+ "UserRole" /*= 0x0000ffff*/
+ };
+
+ if (role >=0x40)
+ role = QAccessible::UserRole;
+ return roles[int(role)];
+}
+
+void showDebug(const char* funcName, const QAccessibleInterface *iface)
+{
+ qDebug() << "Role:" << roleString(iface->role(0))
+ << "Name:" << iface->text(QAccessible::Name, 0)
+ << "State:" << QString::number(int(iface->state(0)), 16)
+ << QLatin1String(funcName);
+}
+#else
+# define showDebug(f, iface)
+#endif
+
+void QAccessible::initialize()
+{
+
+}
+void QAccessible::cleanup()
+{
+
+}
+
+void QAccessible::updateAccessibility(QObject *o, int who, Event reason)
+{
+ Q_ASSERT(o);
+
+ if (updateHandler) {
+ updateHandler(o, who, reason);
+ return;
+ }
+
+ QByteArray soundName;
+ switch (reason) {
+ case PopupMenuStart:
+ soundName = "MenuPopup";
+ break;
+
+ case MenuCommand:
+ soundName = "MenuCommand";
+ break;
+
+ case Alert:
+ {
+#ifndef QT_NO_MESSAGEBOX
+ QMessageBox *mb = qobject_cast<QMessageBox*>(o);
+ if (mb) {
+ switch (mb->icon()) {
+ case QMessageBox::Warning:
+ soundName = "SystemExclamation";
+ break;
+ case QMessageBox::Critical:
+ soundName = "SystemHand";
+ break;
+ case QMessageBox::Information:
+ soundName = "SystemAsterisk";
+ break;
+ default:
+ break;
+ }
+ } else
+#endif // QT_NO_MESSAGEBOX
+ {
+ soundName = "SystemAsterisk";
+ }
+
+ }
+ break;
+ default:
+ break;
+ }
+
+ if (soundName.size()) {
+#ifndef QT_NO_SETTINGS
+ QSettings settings(QLatin1String("HKEY_CURRENT_USER\\AppEvents\\Schemes\\Apps\\.Default\\") +
+ QString::fromLatin1(soundName.constData()), QSettings::NativeFormat);
+ QString file = settings.value(QLatin1String(".Current/.")).toString();
+#else
+ QString file;
+#endif
+ if (!file.isEmpty()) {
+ QT_WA({
+ PlaySoundW(reinterpret_cast<const wchar_t *> (QString::fromLatin1(soundName).utf16()), 0, SND_ALIAS | SND_ASYNC | SND_NODEFAULT | SND_NOWAIT );
+ } , {
+ PlaySoundA(soundName.constData(), 0, SND_ALIAS | SND_ASYNC | SND_NODEFAULT | SND_NOWAIT );
+ });
+ }
+ }
+
+ if (!isActive())
+ return;
+
+ 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)QLibrary::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.
+ QWidget *w = 0;
+ if (o->isWidgetType()) {
+ w = (QWidget*)o;
+ } else {
+ QObject *p = o;
+ while ((p = p->parent()) != 0) {
+ if (p->isWidgetType()) {
+ w = (QWidget*)p;
+ break;
+ }
+ }
+ }
+
+ if (!w) {
+ if (reason != QAccessible::ContextHelpStart &&
+ reason != QAccessible::ContextHelpEnd)
+ w = qApp->focusWidget();
+ if (!w) {
+ w = qApp->activeWindow();
+
+ if (!w)
+ return;
+
+// ### Fixme
+// if (!w) {
+// w = qApp->mainWidget();
+// if (!w)
+// return;
+// }
+ }
+ }
+
+ if (reason != MenuCommand) { // MenuCommand is faked
+ ptrNotifyWinEvent(reason, w->winId(), OBJID_CLIENT, who);
+ }
+#endif // Q_OS_WINCE
+}
+
+void QAccessible::setRootObject(QObject *o)
+{
+ if (rootObjectHandler) {
+ rootObjectHandler(o);
+ }
+}
+
+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, QAccessible
+{
+public:
+ QWindowsAccessible(QAccessibleInterface *a)
+ : ref(0), accessible(a)
+ {
+ }
+
+ virtual ~QWindowsAccessible()
+ {
+ delete accessible;
+ }
+
+ HRESULT STDMETHODCALLTYPE QueryInterface(REFIID, LPVOID *);
+ ULONG STDMETHODCALLTYPE AddRef();
+ ULONG STDMETHODCALLTYPE Release();
+
+ 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 *);
+
+ 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);
+
+ HRESULT STDMETHODCALLTYPE GetWindow(HWND *phwnd);
+ HRESULT STDMETHODCALLTYPE ContextSensitiveHelp(BOOL fEnterMode);
+
+private:
+ ULONG ref;
+ QAccessibleInterface *accessible;
+};
+
+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;
+}
+
+/*
+*/
+IAccessible *qt_createWindowsAccessible(QAccessibleInterface *access)
+{
+ QWindowsAccessible *acc = new QWindowsAccessible(access);
+ IAccessible *iface;
+ acc->QueryInterface(IID_IAccessible, (void**)&iface);
+
+ return iface;
+}
+
+/*
+ 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
+*/
+HRESULT STDMETHODCALLTYPE QWindowsAccessible::accHitTest(long xLeft, long yTop, VARIANT *pvarID)
+{
+ showDebug(__FUNCTION__, accessible);
+ if (!accessible->isValid())
+ return E_FAIL;
+
+ int control = accessible->childAt(xLeft, yTop);
+ if (control == -1) {
+ (*pvarID).vt = VT_EMPTY;
+ return S_FALSE;
+ }
+ QAccessibleInterface *acc = 0;
+ if (control)
+ accessible->navigate(Child, control, &acc);
+ if (!acc) {
+ (*pvarID).vt = VT_I4;
+ (*pvarID).lVal = control;
+ return S_OK;
+ }
+
+ QWindowsAccessible* wacc = new QWindowsAccessible(acc);
+ IDispatch *iface = 0;
+ wacc->QueryInterface(IID_IDispatch, (void**)&iface);
+ if (iface) {
+ (*pvarID).vt = VT_DISPATCH;
+ (*pvarID).pdispVal = iface;
+ return S_OK;
+ } else {
+ delete wacc;
+ }
+
+ (*pvarID).vt = VT_EMPTY;
+ return S_FALSE;
+}
+
+HRESULT STDMETHODCALLTYPE QWindowsAccessible::accLocation(long *pxLeft, long *pyTop, long *pcxWidth, long *pcyHeight, VARIANT varID)
+{
+ showDebug(__FUNCTION__, accessible);
+ if (!accessible->isValid())
+ return E_FAIL;
+
+ QRect rect = accessible->rect(varID.lVal);
+ if (rect.isValid()) {
+ *pxLeft = rect.x();
+ *pyTop = rect.y();
+ *pcxWidth = rect.width();
+ *pcyHeight = rect.height();
+ } else {
+ *pxLeft = 0;
+ *pyTop = 0;
+ *pcxWidth = 0;
+ *pcyHeight = 0;
+ }
+ return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE QWindowsAccessible::accNavigate(long navDir, VARIANT varStart, VARIANT *pvarEnd)
+{
+ showDebug(__FUNCTION__, accessible);
+ if (!accessible->isValid())
+ return E_FAIL;
+
+ QAccessibleInterface *acc = 0;
+ int control = -1;
+ switch(navDir) {
+ case NAVDIR_FIRSTCHILD:
+ control = accessible->navigate(Child, 1, &acc);
+ break;
+ case NAVDIR_LASTCHILD:
+ control = accessible->navigate(Child, accessible->childCount(), &acc);
+ break;
+ case NAVDIR_NEXT:
+ case NAVDIR_PREVIOUS:
+ if (!varStart.lVal){
+ QAccessibleInterface *parent = 0;
+ accessible->navigate(Ancestor, 1, &parent);
+ if (parent) {
+ int index = parent->indexOfChild(accessible);
+ index += (navDir == NAVDIR_NEXT) ? 1 : -1;
+ if (index > 0 && index <= parent->childCount())
+ control = parent->navigate(Child, index, &acc);
+ delete parent;
+ }
+ } else {
+ int index = varStart.lVal;
+ index += (navDir == NAVDIR_NEXT) ? 1 : -1;
+ if (index > 0 && index <= accessible->childCount())
+ control = accessible->navigate(Child, index, &acc);
+ }
+ break;
+ case NAVDIR_UP:
+ control = accessible->navigate(Up, varStart.lVal, &acc);
+ break;
+ case NAVDIR_DOWN:
+ control = accessible->navigate(Down, varStart.lVal, &acc);
+ break;
+ case NAVDIR_LEFT:
+ control = accessible->navigate(Left, varStart.lVal, &acc);
+ break;
+ case NAVDIR_RIGHT:
+ control = accessible->navigate(Right, varStart.lVal, &acc);
+ break;
+ default:
+ break;
+ }
+ if (control == -1) {
+ (*pvarEnd).vt = VT_EMPTY;
+ return S_FALSE;
+ }
+ if (!acc) {
+ (*pvarEnd).vt = VT_I4;
+ (*pvarEnd).lVal = control;
+ return S_OK;
+ }
+
+ 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;
+}
+
+HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accChild(VARIANT varChildID, IDispatch** ppdispChild)
+{
+ showDebug(__FUNCTION__, accessible);
+ if (!accessible->isValid())
+ return E_FAIL;
+
+ if (varChildID.vt == VT_EMPTY)
+ return E_INVALIDARG;
+
+ QAccessibleInterface *acc = 0;
+ RelationFlag rel = varChildID.lVal ? Child : Self;
+ accessible->navigate(rel, varChildID.lVal, &acc);
+
+ if (acc) {
+ QWindowsAccessible* wacc = new QWindowsAccessible(acc);
+ wacc->QueryInterface(IID_IDispatch, (void**)ppdispChild);
+ return S_OK;
+ }
+
+ *ppdispChild = 0;
+ return S_FALSE;
+}
+
+HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accChildCount(long* pcountChildren)
+{
+ showDebug(__FUNCTION__, accessible);
+ if (!accessible->isValid())
+ return E_FAIL;
+
+ *pcountChildren = accessible->childCount();
+ return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accParent(IDispatch** ppdispParent)
+{
+ showDebug(__FUNCTION__, accessible);
+ if (!accessible->isValid())
+ return E_FAIL;
+
+ QAccessibleInterface *acc = 0;
+ accessible->navigate(Ancestor, 1, &acc);
+ 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)
+{
+ showDebug(__FUNCTION__, accessible);
+ if (!accessible->isValid())
+ return E_FAIL;
+
+ return accessible->doAction(DefaultAction, varID.lVal, QVariantList()) ? S_OK : S_FALSE;
+}
+
+HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accDefaultAction(VARIANT varID, BSTR* pszDefaultAction)
+{
+ showDebug(__FUNCTION__, accessible);
+ if (!accessible->isValid())
+ return E_FAIL;
+
+ QString def = accessible->actionText(DefaultAction, Name, varID.lVal);
+ if (def.isEmpty()) {
+ *pszDefaultAction = 0;
+ return S_FALSE;
+ }
+
+ *pszDefaultAction = QStringToBSTR(def);
+ return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accDescription(VARIANT varID, BSTR* pszDescription)
+{
+ showDebug(__FUNCTION__, accessible);
+ if (!accessible->isValid())
+ return E_FAIL;
+
+ QString descr = accessible->text(Description, varID.lVal);
+ if (descr.size()) {
+ *pszDescription = QStringToBSTR(descr);
+ return S_OK;
+ }
+
+ *pszDescription = 0;
+ return S_FALSE;
+}
+
+HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accHelp(VARIANT varID, BSTR *pszHelp)
+{
+ showDebug(__FUNCTION__, accessible);
+ if (!accessible->isValid())
+ return E_FAIL;
+
+ QString help = accessible->text(Help, varID.lVal);
+ 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)
+{
+ showDebug(__FUNCTION__, accessible);
+ if (!accessible->isValid())
+ return E_FAIL;
+
+ QString sc = accessible->text(Accelerator, varID.lVal);
+ if (sc.size()) {
+ *pszKeyboardShortcut = QStringToBSTR(sc);
+ return S_OK;
+ }
+
+ *pszKeyboardShortcut = 0;
+ return S_FALSE;
+}
+
+HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accName(VARIANT varID, BSTR* pszName)
+{
+ showDebug(__FUNCTION__, accessible);
+ if (!accessible->isValid())
+ return E_FAIL;
+
+ QString n = accessible->text(Name, varID.lVal);
+ if (n.size()) {
+ *pszName = QStringToBSTR(n);
+ return S_OK;
+ }
+
+ *pszName = 0;
+ return S_FALSE;
+}
+
+HRESULT STDMETHODCALLTYPE QWindowsAccessible::put_accName(VARIANT, BSTR)
+{
+ showDebug(__FUNCTION__, accessible);
+ return DISP_E_MEMBERNOTFOUND;
+}
+
+HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accRole(VARIANT varID, VARIANT *pvarRole)
+{
+ showDebug(__FUNCTION__, accessible);
+ if (!accessible->isValid())
+ return E_FAIL;
+
+ Role role = accessible->role(varID.lVal);
+ if (role != NoRole) {
+ (*pvarRole).vt = VT_I4;
+ (*pvarRole).lVal = role;
+ } else {
+ (*pvarRole).vt = VT_EMPTY;
+ }
+ return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accState(VARIANT varID, VARIANT *pvarState)
+{
+ showDebug(__FUNCTION__, accessible);
+ if (!accessible->isValid())
+ return E_FAIL;
+
+ (*pvarState).vt = VT_I4;
+ (*pvarState).lVal = accessible->state(varID.lVal);
+ return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accValue(VARIANT varID, BSTR* pszValue)
+{
+ showDebug(__FUNCTION__, accessible);
+ if (!accessible->isValid())
+ return E_FAIL;
+
+ QString value = accessible->text(Value, varID.lVal);
+ if (!value.isNull()) {
+ *pszValue = QStringToBSTR(value);
+ return S_OK;
+ }
+
+ *pszValue = 0;
+ return S_FALSE;
+}
+
+HRESULT STDMETHODCALLTYPE QWindowsAccessible::put_accValue(VARIANT, BSTR)
+{
+ showDebug(__FUNCTION__, accessible);
+ return DISP_E_MEMBERNOTFOUND;
+}
+
+HRESULT STDMETHODCALLTYPE QWindowsAccessible::accSelect(long flagsSelect, VARIANT varID)
+{
+ showDebug(__FUNCTION__, accessible);
+ if (!accessible->isValid())
+ return E_FAIL;
+
+ bool res = false;
+
+ 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;
+}
+
+HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accFocus(VARIANT *pvarID)
+{
+ showDebug(__FUNCTION__, accessible);
+ if (!accessible->isValid())
+ return E_FAIL;
+
+ QAccessibleInterface *acc = 0;
+ int control = accessible->navigate(FocusChild, 1, &acc);
+ if (control == -1) {
+ (*pvarID).vt = VT_EMPTY;
+ return S_FALSE;
+ }
+ if (!acc || control == 0) {
+ (*pvarID).vt = VT_I4;
+ (*pvarID).lVal = control ? control : CHILDID_SELF;
+ return S_OK;
+ }
+
+ QWindowsAccessible* wacc = new QWindowsAccessible(acc);
+ IDispatch *iface = 0;
+ wacc->QueryInterface(IID_IDispatch, (void**)&iface);
+ if (iface) {
+ (*pvarID).vt = VT_DISPATCH;
+ (*pvarID).pdispVal = iface;
+ return S_OK;
+ } else {
+ delete wacc;
+ }
+
+ (*pvarID).vt = VT_EMPTY;
+ return S_FALSE;
+}
+
+HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accSelection(VARIANT *pvarChildren)
+{
+ showDebug(__FUNCTION__, accessible);
+ if (!accessible->isValid())
+ return E_FAIL;
+
+ int cc = accessible->childCount();
+ QVector<int> sel(cc);
+ int selIndex = 0;
+ for (int i = 1; i <= cc; ++i) {
+ QAccessibleInterface *child = 0;
+ int i2 = accessible->navigate(Child, i, &child);
+ bool isSelected = false;
+ if (child) {
+ isSelected = child->state(0) & Selected;
+ delete child;
+ child = 0;
+ } else {
+ isSelected = accessible->state(i2) & Selected;
+ }
+ if (isSelected)
+ sel[selIndex++] = i;
+ }
+ 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;
+}
+
+HRESULT STDMETHODCALLTYPE QWindowsAccessible::GetWindow(HWND *phwnd)
+{
+ *phwnd = 0;
+ if (!accessible->isValid())
+ return E_UNEXPECTED;
+
+ QObject *o = accessible->object();
+ if (!o || !o->isWidgetType())
+ return E_FAIL;
+
+ *phwnd = static_cast<QWidget*>(o)->winId();
+ return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE QWindowsAccessible::ContextSensitiveHelp(BOOL)
+{
+ return S_OK;
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_ACCESSIBILITY