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| |
| #include <QtGui/qtguiglobal.h> |
| #if QT_CONFIG(accessibility) |
| |
| #include "qwinrtuiatextprovider.h" |
| #include "qwinrtuiametadatacache.h" |
| #include "qwinrtuiatextrangeprovider.h" |
| #include "qwinrtuiautils.h" |
| |
| #include <QtGui/QAccessible> |
| #include <QtGui/QAccessibleInterface> |
| #include <QtCore/QLoggingCategory> |
| #include <QtCore/QString> |
| #include <QtCore/private/qeventdispatcher_winrt_p.h> |
| |
| #include <memory> |
| |
| QT_BEGIN_NAMESPACE |
| |
| using namespace QWinRTUiAutomation; |
| using namespace Microsoft::WRL; |
| using namespace Microsoft::WRL::Wrappers; |
| using namespace ABI::Windows::UI::Xaml::Automation; |
| using namespace ABI::Windows::UI::Xaml::Automation::Provider; |
| |
| QWinRTUiaTextProvider::QWinRTUiaTextProvider(QAccessible::Id id) : |
| QWinRTUiaBaseProvider(id) |
| { |
| qCDebug(lcQpaUiAutomation) << __FUNCTION__; |
| } |
| |
| QWinRTUiaTextProvider::~QWinRTUiaTextProvider() |
| { |
| qCDebug(lcQpaUiAutomation) << __FUNCTION__; |
| } |
| |
| // Returns a text range provider for the entire text. |
| HRESULT STDMETHODCALLTYPE QWinRTUiaTextProvider::get_DocumentRange(ITextRangeProvider **value) |
| { |
| qCDebug(lcQpaUiAutomation) << __FUNCTION__; |
| |
| if (!value) |
| return E_INVALIDARG; |
| |
| QSharedPointer<QWinRTUiaControlMetadata> metadata = QWinRTUiaMetadataCache::instance()->metadataForId(id()); |
| ComPtr<QWinRTUiaTextRangeProvider> textRangeProvider = Make<QWinRTUiaTextRangeProvider>(id(), 0, metadata->characterCount()); |
| return textRangeProvider.CopyTo(value); |
| } |
| |
| // Currently supporting single selection. |
| HRESULT STDMETHODCALLTYPE QWinRTUiaTextProvider::get_SupportedTextSelection(SupportedTextSelection *value) |
| { |
| qCDebug(lcQpaUiAutomation) << __FUNCTION__; |
| if (!value) |
| return E_INVALIDARG; |
| *value = SupportedTextSelection_Single; |
| return S_OK; |
| |
| } |
| |
| // Returns an array of providers for the selected text ranges. |
| HRESULT STDMETHODCALLTYPE QWinRTUiaTextProvider::GetSelection(UINT32 *returnValueSize, ITextRangeProvider ***returnValue) |
| { |
| qCDebug(lcQpaUiAutomation) << __FUNCTION__; |
| |
| if (!returnValueSize || !returnValue) |
| return E_INVALIDARG; |
| *returnValueSize = 0; |
| *returnValue = nullptr; |
| |
| struct Selection { int startOffset, endOffset; }; |
| |
| auto accid = id(); |
| auto selections = std::make_shared<QVarLengthArray<Selection>>(); |
| |
| if (!SUCCEEDED(QEventDispatcherWinRT::runOnMainThread([accid, selections]() { |
| if (QAccessibleInterface *accessible = accessibleForId(accid)) { |
| if (QAccessibleTextInterface *textInterface = accessible->textInterface()) { |
| for (int i = 0; i < textInterface->selectionCount(); ++i) { |
| int startOffset, endOffset; |
| textInterface->selection(i, &startOffset, &endOffset); |
| selections->append({startOffset, endOffset}); |
| } |
| if (selections->size() == 0) { |
| // If there is no selection, we return an array with a single degenerate (empty) text range at the cursor position. |
| auto cur = textInterface->cursorPosition(); |
| selections->append({cur, cur}); |
| } |
| } |
| } |
| return S_OK; |
| }))) { |
| return E_FAIL; |
| } |
| |
| int selCount = selections->size(); |
| if (selCount < 1) |
| return E_FAIL; |
| |
| ITextRangeProvider **providerArray = static_cast<ITextRangeProvider **>(CoTaskMemAlloc(selCount * sizeof(ITextRangeProvider *))); |
| if (!providerArray) |
| return E_OUTOFMEMORY; |
| |
| auto dst = providerArray; |
| for (auto sel : *selections) { |
| ComPtr<QWinRTUiaTextRangeProvider> textRangeProvider |
| = Make<QWinRTUiaTextRangeProvider>(id(), sel.startOffset, sel.endOffset); |
| textRangeProvider.CopyTo(dst++); |
| } |
| *returnValueSize = selCount; |
| *returnValue = providerArray; |
| return S_OK; |
| } |
| |
| // Returns an array of providers for the visible text ranges. |
| HRESULT STDMETHODCALLTYPE QWinRTUiaTextProvider::GetVisibleRanges(UINT32 *returnValueSize, ITextRangeProvider ***returnValue) |
| { |
| qCDebug(lcQpaUiAutomation) << __FUNCTION__; |
| |
| if (!returnValueSize || !returnValue) |
| return E_INVALIDARG; |
| |
| QSharedPointer<QWinRTUiaControlMetadata> metadata = QWinRTUiaMetadataCache::instance()->metadataForId(id()); |
| |
| // Considering the entire text as visible. |
| ComPtr<QWinRTUiaTextRangeProvider> textRangeProvider = Make<QWinRTUiaTextRangeProvider>(id(), 0, metadata->characterCount()); |
| textRangeProvider.CopyTo(*returnValue); |
| *returnValueSize = 1; |
| return S_OK; |
| } |
| |
| HRESULT STDMETHODCALLTYPE QWinRTUiaTextProvider::RangeFromChild(IIRawElementProviderSimple *childElement, ITextRangeProvider **returnValue) |
| { |
| qCDebug(lcQpaUiAutomation) << __FUNCTION__; |
| if (!childElement || !returnValue) |
| return E_INVALIDARG; |
| *returnValue = nullptr; |
| // No children supported. |
| return S_OK; |
| } |
| |
| // Returns a degenerate text range at the specified point. |
| HRESULT STDMETHODCALLTYPE QWinRTUiaTextProvider::RangeFromPoint(ABI::Windows::Foundation::Point screenLocation, ITextRangeProvider **returnValue) |
| { |
| qCDebug(lcQpaUiAutomation) << __FUNCTION__; |
| |
| if (!returnValue) |
| return E_INVALIDARG; |
| *returnValue = nullptr; |
| |
| const QPoint pt(screenLocation.X, screenLocation.Y); |
| auto accid = id(); |
| auto offset = std::make_shared<int>(); |
| |
| if (!SUCCEEDED(QEventDispatcherWinRT::runOnMainThread([accid, pt, offset]() { |
| if (QAccessibleInterface *accessible = accessibleForId(accid)) |
| if (QAccessibleTextInterface *textInterface = accessible->textInterface()) |
| *offset = qBound(0, textInterface->offsetAtPoint(pt), textInterface->characterCount() - 1); |
| return S_OK; |
| }))) { |
| return E_FAIL; |
| } |
| |
| ComPtr<QWinRTUiaTextRangeProvider> textRangeProvider = Make<QWinRTUiaTextRangeProvider>(id(), *offset, *offset); |
| textRangeProvider.CopyTo(returnValue); |
| return S_OK; |
| } |
| |
| // Not supporting annotations. |
| HRESULT STDMETHODCALLTYPE QWinRTUiaTextProvider::RangeFromAnnotation(IIRawElementProviderSimple *annotationElement, ITextRangeProvider **returnValue) |
| { |
| qCDebug(lcQpaUiAutomation) << __FUNCTION__; |
| if (!annotationElement || !returnValue) |
| return E_INVALIDARG; |
| *returnValue = nullptr; |
| return S_OK; |
| } |
| |
| HRESULT STDMETHODCALLTYPE QWinRTUiaTextProvider::GetCaretRange(boolean *isActive, ITextRangeProvider **returnValue) |
| { |
| qCDebug(lcQpaUiAutomation) << __FUNCTION__; |
| |
| if (!isActive || !returnValue) |
| return E_INVALIDARG; |
| |
| QSharedPointer<QWinRTUiaControlMetadata> metadata = QWinRTUiaMetadataCache::instance()->metadataForId(id()); |
| *isActive = metadata->state().focused; |
| |
| ComPtr<QWinRTUiaTextRangeProvider> textRangeProvider = Make<QWinRTUiaTextRangeProvider>(id(), metadata->cursorPosition(), metadata->cursorPosition()); |
| return textRangeProvider.CopyTo(returnValue); |
| } |
| |
| |
| QT_END_NAMESPACE |
| |
| #endif // QT_CONFIG(accessibility) |