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Diffstat (limited to 'src/plugins/platforms/windows/uiautomation/qwindowsuiautils.cpp')
| -rw-r--r-- | src/plugins/platforms/windows/uiautomation/qwindowsuiautils.cpp | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/src/plugins/platforms/windows/uiautomation/qwindowsuiautils.cpp b/src/plugins/platforms/windows/uiautomation/qwindowsuiautils.cpp new file mode 100644 index 0000000000..89e5075dcb --- /dev/null +++ b/src/plugins/platforms/windows/uiautomation/qwindowsuiautils.cpp @@ -0,0 +1,221 @@ +/**************************************************************************** +** +** Copyright (C) 2017 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the plugins of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtCore/QtConfig> +#ifndef QT_NO_ACCESSIBILITY + +#include "qwindowsuiautils.h" +#include "qwindowscontext.h" +#include "qwindowswindow.h" + +#include <QtGui/QWindow> +#include <QtGui/private/qhighdpiscaling_p.h> +#include <cmath> + +QT_BEGIN_NAMESPACE + +namespace QWindowsUiAutomation { + +// Returns the window containing the element (usually the top window), +QWindow *windowForAccessible(const QAccessibleInterface *accessible) +{ + QWindow *window = accessible->window(); + if (!window) { + QAccessibleInterface *acc = accessible->parent(); + while (acc && acc->isValid() && !window) { + window = acc->window(); + QAccessibleInterface *par = acc->parent(); + acc = par; + } + } + return window; +} + +// Returns the native window handle associated with the element, if any. +// Usually it will be NULL, as Qt5 by default uses alien widgets with no native windows. +HWND hwndForAccessible(const QAccessibleInterface *accessible) +{ + if (QWindow *window = accessible->window()) { + if (!accessible->parent() || (accessible->parent()->window() != window)) { + return QWindowsBaseWindow::handleOf(window); + } + } + return NULL; +} + +void clearVariant(VARIANT *variant) +{ + variant->vt = VT_EMPTY; + variant->punkVal = nullptr; +} + +void setVariantI4(int value, VARIANT *variant) +{ + variant->vt = VT_I4; + variant->lVal = value; +} + +void setVariantBool(bool value, VARIANT *variant) +{ + variant->vt = VT_BOOL; + variant->boolVal = value ? -1 : 0; +} + +void setVariantDouble(double value, VARIANT *variant) +{ + variant->vt = VT_R8; + variant->boolVal = value; +} + +BSTR bStrFromQString(const QString &value) +{ + return SysAllocString(reinterpret_cast<const wchar_t *>(value.utf16())); +} + +void setVariantString(const QString &value, VARIANT *variant) +{ + variant->vt = VT_BSTR; + variant->bstrVal = bStrFromQString(value); +} + +// Scales a rect to native coordinates, according to high dpi settings. +void rectToNativeUiaRect(const QRect &rect, const QWindow *w, UiaRect *uiaRect) +{ + if (w && uiaRect) { + const qreal factor = QHighDpiScaling::factor(w); + uiaRect->left = qreal(rect.x()) * factor; + uiaRect->top = qreal(rect.y()) * factor; + uiaRect->width = qreal(rect.width()) * factor; + uiaRect->height = qreal(rect.height()) * factor; + } +} + +// Scales a point from native coordinates, according to high dpi settings. +void nativeUiaPointToPoint(const UiaPoint &uiaPoint, const QWindow *w, QPoint *point) +{ + if (w && point) { + const qreal factor = QHighDpiScaling::factor(w); + point->setX(int(std::lround(uiaPoint.x / factor))); + point->setY(int(std::lround(uiaPoint.y / factor))); + } +} + +// Maps an accessibility role ID to an UI Automation control type ID. +long roleToControlTypeId(QAccessible::Role role) +{ + static const QHash<QAccessible::Role, long> mapping { + {QAccessible::TitleBar, UIA_TitleBarControlTypeId}, + {QAccessible::MenuBar, UIA_MenuBarControlTypeId}, + {QAccessible::ScrollBar, UIA_ScrollBarControlTypeId}, + {QAccessible::Grip, UIA_ThumbControlTypeId}, + {QAccessible::Sound, UIA_CustomControlTypeId}, + {QAccessible::Cursor, UIA_CustomControlTypeId}, + {QAccessible::Caret, UIA_CustomControlTypeId}, + {QAccessible::AlertMessage, UIA_CustomControlTypeId}, + {QAccessible::Window, UIA_WindowControlTypeId}, + {QAccessible::Client, UIA_CustomControlTypeId}, + {QAccessible::PopupMenu, UIA_MenuControlTypeId}, + {QAccessible::MenuItem, UIA_MenuItemControlTypeId}, + {QAccessible::ToolTip, UIA_ToolTipControlTypeId}, + {QAccessible::Application, UIA_CustomControlTypeId}, + {QAccessible::Document, UIA_DocumentControlTypeId}, + {QAccessible::Pane, UIA_PaneControlTypeId}, + {QAccessible::Chart, UIA_CustomControlTypeId}, + {QAccessible::Dialog, UIA_WindowControlTypeId}, + {QAccessible::Border, UIA_CustomControlTypeId}, + {QAccessible::Grouping, UIA_GroupControlTypeId}, + {QAccessible::Separator, UIA_SeparatorControlTypeId}, + {QAccessible::ToolBar, UIA_ToolBarControlTypeId}, + {QAccessible::StatusBar, UIA_StatusBarControlTypeId}, + {QAccessible::Table, UIA_TableControlTypeId}, + {QAccessible::ColumnHeader, UIA_HeaderControlTypeId}, + {QAccessible::RowHeader, UIA_HeaderControlTypeId}, + {QAccessible::Column, UIA_HeaderItemControlTypeId}, + {QAccessible::Row, UIA_HeaderItemControlTypeId}, + {QAccessible::Cell, UIA_DataItemControlTypeId}, + {QAccessible::Link, UIA_HyperlinkControlTypeId}, + {QAccessible::HelpBalloon, UIA_ToolTipControlTypeId}, + {QAccessible::Assistant, UIA_CustomControlTypeId}, + {QAccessible::List, UIA_ListControlTypeId}, + {QAccessible::ListItem, UIA_ListItemControlTypeId}, + {QAccessible::Tree, UIA_TreeControlTypeId}, + {QAccessible::TreeItem, UIA_TreeItemControlTypeId}, + {QAccessible::PageTab, UIA_TabItemControlTypeId}, + {QAccessible::PropertyPage, UIA_CustomControlTypeId}, + {QAccessible::Indicator, UIA_CustomControlTypeId}, + {QAccessible::Graphic, UIA_ImageControlTypeId}, + {QAccessible::StaticText, UIA_EditControlTypeId}, + {QAccessible::EditableText, UIA_EditControlTypeId}, + {QAccessible::Button, UIA_ButtonControlTypeId}, + {QAccessible::CheckBox, UIA_CheckBoxControlTypeId}, + {QAccessible::RadioButton, UIA_RadioButtonControlTypeId}, + {QAccessible::ComboBox, UIA_ComboBoxControlTypeId}, + {QAccessible::ProgressBar, UIA_ProgressBarControlTypeId}, + {QAccessible::Dial, UIA_CustomControlTypeId}, + {QAccessible::HotkeyField, UIA_CustomControlTypeId}, + {QAccessible::Slider, UIA_SliderControlTypeId}, + {QAccessible::SpinBox, UIA_SpinnerControlTypeId}, + {QAccessible::Canvas, UIA_CustomControlTypeId}, + {QAccessible::Animation, UIA_CustomControlTypeId}, + {QAccessible::Equation, UIA_CustomControlTypeId}, + {QAccessible::ButtonDropDown, UIA_ButtonControlTypeId}, + {QAccessible::ButtonMenu, UIA_ButtonControlTypeId}, + {QAccessible::ButtonDropGrid, UIA_ButtonControlTypeId}, + {QAccessible::Whitespace, UIA_CustomControlTypeId}, + {QAccessible::PageTabList, UIA_TabControlTypeId}, + {QAccessible::Clock, UIA_CustomControlTypeId}, + {QAccessible::Splitter, UIA_CustomControlTypeId}, + }; + + return mapping.value(role, UIA_CustomControlTypeId); +} + +// True if a character can be a separator for a text unit. +bool isTextUnitSeparator(TextUnit unit, const QChar &ch) +{ + return (((unit == TextUnit_Word) || (unit == TextUnit_Format)) && ch.isSpace()) + || ((unit == TextUnit_Line) && (ch.toLatin1() == '\n')); +} + +} // namespace QWindowsUiAutomation + + +QT_END_NAMESPACE + +#endif // QT_NO_ACCESSIBILITY |