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| |
| #include <QtGui/qtguiglobal.h> |
| #if QT_CONFIG(accessibility) |
| |
| #include "qwindowsuiavalueprovider.h" |
| #include "qwindowsuiautils.h" |
| #include "qwindowscontext.h" |
| |
| #include <QtGui/qaccessible.h> |
| #include <QtCore/qloggingcategory.h> |
| #include <QtCore/qstring.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| using namespace QWindowsUiAutomation; |
| |
| |
| QWindowsUiaValueProvider::QWindowsUiaValueProvider(QAccessible::Id id) : |
| QWindowsUiaBaseProvider(id) |
| { |
| } |
| |
| QWindowsUiaValueProvider::~QWindowsUiaValueProvider() |
| { |
| } |
| |
| // Sets the value associated with the control. |
| HRESULT STDMETHODCALLTYPE QWindowsUiaValueProvider::SetValue(LPCWSTR val) |
| { |
| qCDebug(lcQpaUiAutomation) << __FUNCTION__; |
| |
| QAccessibleInterface *accessible = accessibleInterface(); |
| if (!accessible) |
| return UIA_E_ELEMENTNOTAVAILABLE; |
| |
| // First sets the value as a text. |
| QString strVal = QString::fromUtf16(reinterpret_cast<const ushort *>(val)); |
| accessible->setText(QAccessible::Value, strVal); |
| |
| // Then, if the control supports the value interface (range value) |
| // and the supplied text can be converted to a number, and that number |
| // lies within the min/max limits, sets it as the control's current (numeric) value. |
| if (QAccessibleValueInterface *valueInterface = accessible->valueInterface()) { |
| bool ok = false; |
| double numval = strVal.toDouble(&ok); |
| if (ok) { |
| double minimum = valueInterface->minimumValue().toDouble(); |
| double maximum = valueInterface->maximumValue().toDouble(); |
| if ((numval >= minimum) && (numval <= maximum)) { |
| valueInterface->setCurrentValue(QVariant(numval)); |
| } |
| } |
| } |
| return S_OK; |
| } |
| |
| // True for read-only controls. |
| HRESULT STDMETHODCALLTYPE QWindowsUiaValueProvider::get_IsReadOnly(BOOL *pRetVal) |
| { |
| qCDebug(lcQpaUiAutomation) << __FUNCTION__; |
| |
| if (!pRetVal) |
| return E_INVALIDARG; |
| *pRetVal = FALSE; |
| |
| QAccessibleInterface *accessible = accessibleInterface(); |
| if (!accessible) |
| return UIA_E_ELEMENTNOTAVAILABLE; |
| |
| *pRetVal = accessible->state().readOnly; |
| return S_OK; |
| } |
| |
| // Returns the value in text form. |
| HRESULT STDMETHODCALLTYPE QWindowsUiaValueProvider::get_Value(BSTR *pRetVal) |
| { |
| qCDebug(lcQpaUiAutomation) << __FUNCTION__; |
| |
| if (!pRetVal) |
| return E_INVALIDARG; |
| *pRetVal = nullptr; |
| |
| QAccessibleInterface *accessible = accessibleInterface(); |
| if (!accessible) |
| return UIA_E_ELEMENTNOTAVAILABLE; |
| |
| *pRetVal = bStrFromQString(accessible->text(QAccessible::Value)); |
| return S_OK; |
| } |
| |
| QT_END_NAMESPACE |
| |
| #endif // QT_CONFIG(accessibility) |