| 1 | // Copyright (C) 2021 The Qt Company Ltd. |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | |
| 4 | #include "qaccessiblequickwidget_p.h" |
| 5 | |
| 6 | #include "qquickwidget_p.h" |
| 7 | |
| 8 | QT_BEGIN_NAMESPACE |
| 9 | |
| 10 | #if QT_CONFIG(accessibility) |
| 11 | |
| 12 | QAccessibleQuickWidget::QAccessibleQuickWidget(QQuickWidget* widget) |
| 13 | : QAccessibleWidget(widget) |
| 14 | { |
| 15 | // NOTE: m_accessibleWindow is a QAccessibleQuickWindow, and not a |
| 16 | // QAccessibleQuickWidgetOffscreenWindow (defined below). This means |
| 17 | // it will return the Quick item child interfaces, which is what's needed here |
| 18 | // (unlike QAccessibleQuickWidgetOffscreenWindow, which will report 0 children). |
| 19 | repairWindow(); |
| 20 | } |
| 21 | |
| 22 | QAccessibleQuickWidget::~QAccessibleQuickWidget() |
| 23 | { |
| 24 | QObject::disconnect(m_connection); |
| 25 | } |
| 26 | |
| 27 | void QAccessibleQuickWidget::repairWindow() |
| 28 | { |
| 29 | if (!m_accessibleWindow || !m_accessibleWindow->object()) { |
| 30 | QQuickWidget *theWidget = static_cast<QQuickWidget *>(object()); |
| 31 | QQuickWindow *newOffscreen = QQuickWidgetPrivate::get(view: theWidget)->offscreenWindow; |
| 32 | // We use the qobject_cast here to detect that the newOffscreen is |
| 33 | // not the one getting destroyed right now. |
| 34 | if (qobject_cast<QQuickWindow *>(object: newOffscreen)) { |
| 35 | m_accessibleWindow.reset(p: new QAccessibleQuickWindow(newOffscreen)); |
| 36 | m_connection = QObject::connect(sender: newOffscreen, signal: &QObject::destroyed, context: theWidget, |
| 37 | slot: [this] { repairWindow(); }); |
| 38 | } |
| 39 | } |
| 40 | } |
| 41 | |
| 42 | QAccessibleInterface *QAccessibleQuickWidget::child(int index) const |
| 43 | { |
| 44 | return m_accessibleWindow->child(index); |
| 45 | } |
| 46 | |
| 47 | int QAccessibleQuickWidget::childCount() const |
| 48 | { |
| 49 | return m_accessibleWindow->childCount(); |
| 50 | } |
| 51 | |
| 52 | int QAccessibleQuickWidget::indexOfChild(const QAccessibleInterface *iface) const |
| 53 | { |
| 54 | return m_accessibleWindow->indexOfChild(iface); |
| 55 | } |
| 56 | |
| 57 | QAccessibleInterface *QAccessibleQuickWidget::childAt(int x, int y) const |
| 58 | { |
| 59 | return m_accessibleWindow->childAt(x, y); |
| 60 | } |
| 61 | |
| 62 | QAccessibleQuickWidgetOffscreenWindow::QAccessibleQuickWidgetOffscreenWindow(QQuickWindow *window) |
| 63 | :QAccessibleQuickWindow(window) |
| 64 | { |
| 65 | |
| 66 | } |
| 67 | |
| 68 | QAccessibleInterface *QAccessibleQuickWidgetOffscreenWindow::child(int index) const |
| 69 | { |
| 70 | Q_UNUSED(index); |
| 71 | return nullptr; |
| 72 | } |
| 73 | |
| 74 | int QAccessibleQuickWidgetOffscreenWindow::childCount() const |
| 75 | { |
| 76 | return 0; |
| 77 | } |
| 78 | |
| 79 | int QAccessibleQuickWidgetOffscreenWindow::indexOfChild(const QAccessibleInterface *iface) const |
| 80 | { |
| 81 | Q_UNUSED(iface); |
| 82 | return -1; |
| 83 | } |
| 84 | |
| 85 | QAccessibleInterface *QAccessibleQuickWidgetOffscreenWindow::QAccessibleQuickWidgetOffscreenWindow::childAt(int x, int y) const |
| 86 | { |
| 87 | Q_UNUSED(x); |
| 88 | Q_UNUSED(y); |
| 89 | return nullptr; |
| 90 | } |
| 91 | |
| 92 | #endif // accessibility |
| 93 | |
| 94 | QT_END_NAMESPACE |
| 95 |