1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2018 The Qt Company Ltd. 4 ** Contact: https://www.qt.io/licensing/ 5 ** 6 ** This file is part of the plugins of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see https://www.qt.io/terms-conditions. For further 15 ** information use the contact form at https://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 3 as published by the Free Software 20 ** Foundation and appearing in the file LICENSE.LGPL3 included in the 21 ** packaging of this file. Please review the following information to 22 ** ensure the GNU Lesser General Public License version 3 requirements 23 ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. 24 ** 25 ** GNU General Public License Usage 26 ** Alternatively, this file may be used under the terms of the GNU 27 ** General Public License version 2.0 or (at your option) the GNU General 28 ** Public license version 3 or any later version approved by the KDE Free 29 ** Qt Foundation. The licenses are as published by the Free Software 30 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 31 ** included in the packaging of this file. Please review the following 32 ** information to ensure the GNU General Public License requirements will 33 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and 34 ** https://www.gnu.org/licenses/gpl-3.0.html. 35 ** 36 ** $QT_END_LICENSE$ 37 ** 38 ****************************************************************************/ 39 40 #include <QtGui/qtguiglobal.h> 41 #if QT_CONFIG(accessibility) 42 43 #include "qwinrtuiarangevalueprovider.h" 44 #include "qwinrtuiametadatacache.h" 45 #include "qwinrtuiautils.h" 46 47 #include <QtGui/QAccessible> 48 #include <QtGui/QAccessibleInterface> 49 #include <QtCore/QLoggingCategory> 50 #include <QtCore/QString> 51 #include <QtCore/private/qeventdispatcher_winrt_p.h> 52 53 QT_BEGIN_NAMESPACE 54 55 using namespace QWinRTUiAutomation; 56 using namespace ABI::Windows::UI::Xaml::Automation; 57 using namespace ABI::Windows::UI::Xaml::Automation::Provider; 58 QWinRTUiaRangeValueProvider(QAccessible::Id id)59QWinRTUiaRangeValueProvider::QWinRTUiaRangeValueProvider(QAccessible::Id id) : 60 QWinRTUiaBaseProvider(id) 61 { 62 qCDebug(lcQpaUiAutomation) << __FUNCTION__; 63 } 64 ~QWinRTUiaRangeValueProvider()65QWinRTUiaRangeValueProvider::~QWinRTUiaRangeValueProvider() 66 { 67 qCDebug(lcQpaUiAutomation) << __FUNCTION__; 68 } 69 get_IsReadOnly(boolean * value)70HRESULT STDMETHODCALLTYPE QWinRTUiaRangeValueProvider::get_IsReadOnly(boolean *value) 71 { 72 qCDebug(lcQpaUiAutomation) << __FUNCTION__; 73 74 if (!value) 75 return E_INVALIDARG; 76 77 QSharedPointer<QWinRTUiaControlMetadata> metadata = QWinRTUiaMetadataCache::instance()->metadataForId(id()); 78 *value = (metadata->state().readOnly != 0); 79 return S_OK; 80 } 81 get_LargeChange(DOUBLE * value)82HRESULT STDMETHODCALLTYPE QWinRTUiaRangeValueProvider::get_LargeChange(DOUBLE *value) 83 { 84 qCDebug(lcQpaUiAutomation) << __FUNCTION__; 85 86 if (!value) 87 return E_INVALIDARG; 88 89 QSharedPointer<QWinRTUiaControlMetadata> metadata = QWinRTUiaMetadataCache::instance()->metadataForId(id()); 90 *value = metadata->minimumStepSize(); 91 return S_OK; 92 } 93 get_Maximum(DOUBLE * value)94HRESULT STDMETHODCALLTYPE QWinRTUiaRangeValueProvider::get_Maximum(DOUBLE *value) 95 { 96 qCDebug(lcQpaUiAutomation) << __FUNCTION__; 97 98 if (!value) 99 return E_INVALIDARG; 100 101 QSharedPointer<QWinRTUiaControlMetadata> metadata = QWinRTUiaMetadataCache::instance()->metadataForId(id()); 102 *value = metadata->maximumValue(); 103 return S_OK; 104 } 105 get_Minimum(DOUBLE * value)106HRESULT STDMETHODCALLTYPE QWinRTUiaRangeValueProvider::get_Minimum(DOUBLE *value) 107 { 108 qCDebug(lcQpaUiAutomation) << __FUNCTION__; 109 110 if (!value) 111 return E_INVALIDARG; 112 113 QSharedPointer<QWinRTUiaControlMetadata> metadata = QWinRTUiaMetadataCache::instance()->metadataForId(id()); 114 *value = metadata->minimumValue(); 115 return S_OK; 116 } 117 get_SmallChange(DOUBLE * value)118HRESULT STDMETHODCALLTYPE QWinRTUiaRangeValueProvider::get_SmallChange(DOUBLE *value) 119 { 120 qCDebug(lcQpaUiAutomation) << __FUNCTION__; 121 122 if (!value) 123 return E_INVALIDARG; 124 125 QSharedPointer<QWinRTUiaControlMetadata> metadata = QWinRTUiaMetadataCache::instance()->metadataForId(id()); 126 *value = metadata->minimumStepSize(); 127 return S_OK; 128 } 129 get_Value(DOUBLE * value)130HRESULT STDMETHODCALLTYPE QWinRTUiaRangeValueProvider::get_Value(DOUBLE *value) 131 { 132 qCDebug(lcQpaUiAutomation) << __FUNCTION__; 133 134 if (!value) 135 return E_INVALIDARG; 136 137 QSharedPointer<QWinRTUiaControlMetadata> metadata = QWinRTUiaMetadataCache::instance()->metadataForId(id()); 138 *value = metadata->currentValue(); 139 return S_OK; 140 } 141 SetValue(DOUBLE value)142HRESULT STDMETHODCALLTYPE QWinRTUiaRangeValueProvider::SetValue(DOUBLE value) 143 { 144 qCDebug(lcQpaUiAutomation) << __FUNCTION__; 145 146 auto accid = id(); 147 148 QEventDispatcherWinRT::runOnMainThread([accid, value]() { 149 if (QAccessibleInterface *accessible = accessibleForId(accid)) { 150 if (QAccessibleValueInterface *valueInterface = accessible->valueInterface()) { 151 double minimum = valueInterface->minimumValue().toDouble(); 152 double maximum = valueInterface->maximumValue().toDouble(); 153 if ((value >= minimum) && (value <= maximum)) { 154 valueInterface->setCurrentValue(QVariant(value)); 155 } 156 } 157 } 158 QWinRTUiaMetadataCache::instance()->load(accid); 159 return S_OK; 160 }, 0); 161 162 return S_OK; 163 } 164 165 QT_END_NAMESPACE 166 167 #endif // QT_CONFIG(accessibility) 168