diff options
| -rw-r--r-- | src/plugins/accessible/widgets/complexwidgets.cpp | 1372 | ||||
| -rw-r--r-- | src/plugins/accessible/widgets/complexwidgets.h | 129 |
2 files changed, 0 insertions, 1501 deletions
diff --git a/src/plugins/accessible/widgets/complexwidgets.cpp b/src/plugins/accessible/widgets/complexwidgets.cpp index 5f62ab1506..12f2d3d62f 100644 --- a/src/plugins/accessible/widgets/complexwidgets.cpp +++ b/src/plugins/accessible/widgets/complexwidgets.cpp @@ -68,1378 +68,6 @@ QT_BEGIN_NAMESPACE QString Q_GUI_EXPORT qt_accStripAmp(const QString &text); -#if 0 -#ifndef QT_NO_ITEMVIEWS -/* -The MSDN article "Exposing Data Tables through Microsoft Active Accessibility" explains -how data tables should be exposed. Url: http://msdn2.microsoft.com/en-us/library/ms971325.aspx -Basically, the model is like this: - -ROLE_SYSTEM_TABLE - |- ROLE_SYSTEM_ROW - | |- ROLE_SYSTEM_ROWHEADER - | |- ROLE_SYSTEM_COLUMNHEADER - | |- ROLE_SYSTEM_COLUMNHEADER - | |- ROLE_SYSTEM_COLUMNHEADER - | '- .. - |- ROLE_SYSTEM_ROW - | |- ROLE_SYSTEM_ROWHEADER - | |- ROLE_SYSTEM_CELL - | |- ROLE_SYSTEM_CELL - | |- ROLE_SYSTEM_CELL - | '- .. - |- ROLE_SYSTEM_ROW - | |- ROLE_SYSTEM_ROWHEADER - | |- ROLE_SYSTEM_CELL - | |- ROLE_SYSTEM_CELL - | |- ROLE_SYSTEM_CELL - | '- .. - '- .. - -The headers of QTreeView is also represented like this. -*/ -QAccessibleItemRow::QAccessibleItemRow(QAbstractItemView *aView, const QModelIndex &index, bool isHeader) - : row(index), view(aView), m_header(isHeader) -{ -} - -QHeaderView *QAccessibleItemRow::horizontalHeader() const -{ - QHeaderView *header = 0; - if (m_header) { - if (false) { -#ifndef QT_NO_TABLEVIEW - } else if (const QTableView *tv = qobject_cast<const QTableView*>(view)) { - header = tv->horizontalHeader(); -#endif -#ifndef QT_NO_TREEVIEW - } else if (const QTreeView *tv = qobject_cast<const QTreeView*>(view)) { - header = tv->header(); -#endif - } - } - return header; -} - -QHeaderView *QAccessibleItemRow::verticalHeader() const -{ - QHeaderView *header = 0; -#ifndef QT_NO_TABLEVIEW - if (const QTableView *tv = qobject_cast<const QTableView*>(view)) - header = tv->verticalHeader(); -#endif - return header; -} - -int QAccessibleItemRow::logicalFromChild(QHeaderView *header, int child) const -{ - int logical = -1; - if (header->sectionsHidden()) { - int kid = 0; - for (int i = 0; i < header->count(); ++i) { - if (!header->isSectionHidden(i)) - ++kid; - if (kid == child) { - logical = i; - break; - } - } - } else { - logical = child - 1; - } - return logical; -} - -QRect QAccessibleItemRow::rect(int child) const -{ - QRect r; - if (view && view->isVisible()) { - if (QHeaderView *header = horizontalHeader()) { - if (!child) { - r = header->rect(); - } else { - if (QHeaderView *vheader = verticalHeader()) { - if (child == 1) { - int w = vheader->width(); - int h = header->height(); - r.setRect(0, 0, w, h); - } - --child; - } - if (child) { - int logical = logicalFromChild(header, child); - int w = header->sectionSize(logical); - r.setRect(header->sectionViewportPosition(logical), 0, w, header->height()); - r.translate(header->mapTo(view, QPoint(0, 0))); - } - } - } else if (row.isValid()) { - if (!child) { - QModelIndex parent = row.parent(); - const int colCount = row.model()->columnCount(parent); - for (int i = 0; i < colCount; ++i) - r |= view->visualRect(row.model()->index(row.row(), i, parent)); - r.translate(view->viewport()->mapTo(view, QPoint(0,0))); - - if (const QHeaderView *vheader = verticalHeader()) { // include the section of the vertical header - QRect re; - int logicalRow = row.row(); - int h = vheader->sectionSize(logicalRow); - re.setRect(0, vheader->sectionViewportPosition(logicalRow), vheader->width(), h); - re.translate(vheader->mapTo(view, QPoint(0, 0))); - r |= re; - } - } else { - if (QHeaderView *vheader = verticalHeader()) { - if (child == 1) { - int logicalRow = row.row(); - int h = vheader->sectionSize(logicalRow); - r.setRect(0, vheader->sectionViewportPosition(logicalRow), vheader->width(), h); - r.translate(vheader->mapTo(view, QPoint(0, 0))); - } - --child; - } - if (child) { - r = view->visualRect(childIndex(child)); - r.translate(view->viewport()->mapTo(view, QPoint(0,0))); - } - } - } - } - if (!r.isNull()) - r.translate(view->mapToGlobal(QPoint(0, 0))); - - return r; -} - -int QAccessibleItemRow::treeLevel() const -{ - int level = 0; - QModelIndex idx = row; - while (idx.isValid()) { - idx = idx.parent(); - ++level; - } - return level; -} - -QString QAccessibleItemRow::text_helper(int child) const -{ - QString value; - if (m_header) { - if (!child) - return QString(); - if (verticalHeader()) { - if (child == 1) - return QString(); - --child; - } - QHeaderView *header = horizontalHeader(); - int logical = logicalFromChild(header, child); - value = view->model()->headerData(logical, Qt::Horizontal, Qt::AccessibleTextRole).toString(); - if (value.isEmpty()) - value = view->model()->headerData(logical, Qt::Horizontal).toString(); - return value; - } else { - if (!child) { // for one-column views (i.e. QListView) - if (children().count() >= 1) - child = 1; - else - return QString(); - } - if (verticalHeader()) { - if (child == 1) { - int logical = row.row(); - value = view->model()->headerData(logical, Qt::Vertical, Qt::AccessibleTextRole).toString(); - if (value.isEmpty()) - value = view->model()->headerData(logical, Qt::Vertical).toString(); - return value; - } else { - --child; - } - } - } - if (value.isEmpty()) { - QModelIndex idx = childIndex(child); - if (idx.isValid()) { - value = idx.model()->data(idx, Qt::AccessibleTextRole).toString(); - if (value.isEmpty()) - value = idx.model()->data(idx, Qt::DisplayRole).toString(); - } - } - return value; -} - -QString QAccessibleItemRow::text(QAccessible::Text t, int child) const -{ - QString value; - if (t == Name) { - value = text_helper(child); - } else if (t == Value) { -#ifndef QT_NO_TREEVIEW - if (qobject_cast<const QTreeView*>(view)) { - if (child == 0) - value = QString::number(treeLevel()); - } else -#endif - { - value = text_helper(child); - } - } else if (t == Description) { -#ifndef QT_NO_TREEVIEW - if (child == 0 && qobject_cast<const QTreeView*>(view)) { - // We store the tree coordinates of the current item in the description. - // This enables some screen readers to report where the focus is - // in a tree view. (works in JAWS). Also, Firefox does the same thing. - // For instance the description "L2, 4 of 25 with 24" means - // "L2": Tree Level 2 - // "4 of 25": We are item 4 out of in total 25 other siblings - // "with 24": We have 24 children. (JAWS does not read this number) - - // level - int level = treeLevel(); - - QAbstractItemModel *m = view->model(); - // totalSiblings and itemIndex - QModelIndex parent = row.parent(); - int rowCount = m->rowCount(parent); - int itemIndex = -1; - int totalSiblings = 0; - for (int i = 0 ; i < rowCount; ++i) { - QModelIndex sibling = row.sibling(i, 0); - if (!view->isIndexHidden(sibling)) - ++totalSiblings; - if (row == sibling) - itemIndex = totalSiblings; - } - int totalChildren = m->rowCount(row); // JAWS does not report child count, so we do - // this simple and efficient. - // (don't check if they are all visible). - value = QString::fromAscii("L%1, %2 of %3 with %4").arg(level).arg(itemIndex).arg(totalSiblings).arg(totalChildren); - } else -#endif // QT_NO_TREEVIEW - { - if (!m_header) { - if (child == 0 && children().count() >= 1) - child = 1; - if (verticalHeader()) { - if (child == 1) { - value = view->model()->headerData(row.row(), Qt::Vertical).toString(); - } - --child; - } - if (child) { - QModelIndex idx = childIndex(child); - value = idx.model()->data(idx, Qt::AccessibleDescriptionRole).toString(); - } - - } - } - } - return value; -} - -void QAccessibleItemRow::setText(QAccessible::Text t, int child, const QString &text) -{ - if (m_header) { - if (child) - view->model()->setHeaderData(child - 1, Qt::Horizontal, text); - // child == 0 means the cell to the left of the horizontal header, which is empty!? - } else { - if (!child) { - if (children().count() == 1) - child = 1; - else - return; - } - - if (verticalHeader()) { - if (child == 1) { - view->model()->setHeaderData(row.row(), Qt::Vertical, text); - return; - } - --child; - } - QModelIndex idx = childIndex(child); - if (!idx.isValid()) - return; - - switch (t) { - case Description: - const_cast<QAbstractItemModel *>(idx.model())->setData(idx, text, - Qt::AccessibleDescriptionRole); - break; - case Value: - const_cast<QAbstractItemModel *>(idx.model())->setData(idx, text, Qt::EditRole); - break; - default: - break; - } - } -} - -QModelIndex QAccessibleItemRow::childIndex(int child) const -{ - QList<QModelIndex> kids = children(); - Q_ASSERT(child >= 1 && child <= kids.count()); - return kids.at(child - 1); -} - -QList<QModelIndex> QAccessibleItemRow::children() const -{ - QList<QModelIndex> kids; - for (int i = 0; i < row.model()->columnCount(row.parent()); ++i) { - QModelIndex idx = row.model()->index(row.row(), i, row.parent()); - if (!view->isIndexHidden(idx)) { - kids << idx; - } - } - return kids; -} - -bool QAccessibleItemRow::isValid() const -{ - return m_header ? true : row.isValid(); -} - -QObject *QAccessibleItemRow::object() const -{ - return 0; -} - -int QAccessibleItemRow::childCount() const -{ - int count = 0; - if (QHeaderView *header = horizontalHeader()) { - count = header->count() - header->hiddenSectionCount(); - } else { - count = children().count(); - } -#ifndef QT_NO_TABLEVIEW - if (qobject_cast<const QTableView*>(view)) { - if (verticalHeader()) - ++count; - } -#endif - return count; -} - -int QAccessibleItemRow::indexOfChild(const QAccessibleInterface *iface) const -{ - if (!iface || iface->role() != Row) - return -1; - - //### meaningless code? - QList<QModelIndex> kids = children(); - QModelIndex idx = static_cast<const QAccessibleItemRow *>(iface)->row; - if (!idx.isValid()) - return -1; - return kids.indexOf(idx) + 1; -} - -QAccessible::Relation QAccessibleItemRow::relationTo(int child, const QAccessibleInterface *other, - int otherChild) const -{ - if (!child && !otherChild && other->object() == view) - return Child; - if (!child && !otherChild && other == this) - return Self; - if (!child && otherChild && other == this) - return Ancestor; - if (child && otherChild && other == this) - return Sibling; - return Unrelated; -} - -int QAccessibleItemRow::childAt(int x, int y) const -{ - if (!view || !view->isVisible()) - return -1; - - for (int i = childCount(); i >= 0; --i) { - if (rect(i).contains(x, y)) - return i; - } - return -1; -} - -QAbstractItemView::CursorAction QAccessibleItemRow::toCursorAction( - QAccessible::Relation rel) -{ - switch (rel) { - case QAccessible::Up: - return QAbstractItemView::MoveUp; - case QAccessible::Down: - return QAbstractItemView::MoveDown; - case QAccessible::Left: - return QAbstractItemView::MoveLeft; - case QAccessible::Right: - return QAbstractItemView::MoveRight; - default: - Q_ASSERT(false); - } - // should never be reached. - return QAbstractItemView::MoveRight; -} - -QAccessibleInterface *QAccessibleItemRow::parent() const -{ - return new QAccessibleItemView(view->viewport()); -} - -QAccessibleInterface *QAccessibleItemRow::child(int) const -{ - // FIXME? port to IA2 table2. - return 0; -} - -int QAccessibleItemRow::navigate(RelationFlag relation, int index, - QAccessibleInterface **iface) const -{ - *iface = 0; - if (!view) - return -1; - - switch (relation) { - case Ancestor: - *iface = parent(); - return *iface ? 0 : -1; - case Child: { - if (!index) - return -1; - if (index < 1 && index > childCount()) - return -1; - - return index;} - case Sibling: - if (index) { - QAccessibleInterface *ifaceParent = parent(); - if (ifaceParent) { - *iface = ifaceParent->child(index - 1); - delete ifaceParent; - return *iface ? 0 : -1; - } - } - return -1; - case Up: - case Down: - case Left: - case Right: { - // This is in the "not so nice" category. In order to find out which item - // is geometrically around, we have to set the current index, navigate - // and restore the index as well as the old selection - view->setUpdatesEnabled(false); - const QModelIndex oldIdx = view->currentIndex(); - QList<QModelIndex> kids = children(); - const QModelIndex currentIndex = index ? kids.at(index - 1) : QModelIndex(row); - const QItemSelection oldSelection = view->selectionModel()->selection(); - view->setCurrentIndex(currentIndex); - const QModelIndex idx = view->moveCursor(toCursorAction(relation), Qt::NoModifier); - view->setCurrentIndex(oldIdx); - view->selectionModel()->select(oldSelection, QItemSelectionModel::ClearAndSelect); - view->setUpdatesEnabled(true); - if (!idx.isValid()) - return -1; - - if (idx.parent() != row.parent() || idx.row() != row.row()) - *iface = new QAccessibleItemRow(view, idx); - return index ? kids.indexOf(idx) + 1 : 0; } - default: - break; - } - - return -1; -} - -QAccessible::Role QAccessibleItemRow::role(int child) const -{ - if (false) { -#ifndef QT_NO_TREEVIEW - } else if (qobject_cast<const QTreeView*>(view)) { - if (horizontalHeader()) { - if (!child) - return Row; - return ColumnHeader; - } - return TreeItem; -#endif -#ifndef QT_NO_LISTVIEW - } else if (qobject_cast<const QListView*>(view)) { - return ListItem; -#endif -#ifndef QT_NO_TABLEVIEW - } else if (qobject_cast<const QTableView *>(view)) { - if (!child) - return Row; - if (child == 1) { - if (verticalHeader()) - return RowHeader; - } - if (m_header) - return ColumnHeader; -#endif - } - return Cell; -} - -QAccessible::State QAccessibleItemRow::state(int child) const -{ - State st = Normal; - - if (!view) - return st; - - QAccessibleInterface *parentIface = parent(); - QRect globalRect; - if (parentIface) { - globalRect = parentIface->rect(0); - delete parentIface; - } - if (!globalRect.intersects(rect(child))) - st |= Invisible; - - if (!horizontalHeader()) { - if (!(st & Invisible)) { - if (child) { - if (QHeaderView *vheader = verticalHeader() ) { - if (child == 1) { - if (!vheader->isVisible()) - st |= Invisible; - } - --child; - } - if (child) { - QModelIndex idx = childIndex(child); - if (!idx.isValid()) - return st; - - if (view->selectionModel()->isSelected(idx)) - st |= Selected; - if (view->selectionModel()->currentIndex() == idx) - st |= Focused; - if (idx.model()->data(idx, Qt::CheckStateRole).toInt() == Qt::Checked) - st |= Checked; - - Qt::ItemFlags flags = idx.flags(); - if (flags & Qt::ItemIsSelectable) { - st |= Selectable; - if (view->selectionMode() == QAbstractItemView::MultiSelection) - st |= MultiSelectable; - if (view->selectionMode() == QAbstractItemView::ExtendedSelection) - st |= ExtSelectable; - } - } - } else { - Qt::ItemFlags flags = row.flags(); - if (flags & Qt::ItemIsSelectable) { - st |= Selectable; - st |= Focusable; - } - if (view->selectionModel()->isRowSelected(row.row(), row.parent())) - st |= Selected; - if (view->selectionModel()->currentIndex().row() == row.row()) - st |= Focused; - } - } - } - - return st; -} - -int QAccessibleItemRow::userActionCount(int) const -{ - return 0; -} - -QString QAccessibleItemRow::actionText(int, Text, int) const -{ - return QString(); -} - -static QItemSelection rowAt(const QModelIndex &idx) -{ - return QItemSelection(idx.sibling(idx.row(), 0), - idx.sibling(idx.row(), idx.model()->columnCount(idx.parent()))); -} - -bool QAccessibleItemRow::doAction(int action, int child, const QVariantList & /*params*/) -{ - if (!view) - return false; - - if (verticalHeader()) - --child; - - QModelIndex idx = child ? childIndex(child) : QModelIndex(row); - if (!idx.isValid()) - return false; - - QItemSelectionModel::SelectionFlags command = QItemSelectionModel::NoUpdate; - - switch (action) { - case SetFocus: - view->setCurrentIndex(idx); - return true; - case ExtendSelection: - if (!child) - return false; - view->selectionModel()->select(QItemSelection(view->currentIndex(), idx), - QItemSelectionModel::SelectCurrent); - return true; - case Select: - command = QItemSelectionModel::ClearAndSelect; - break; - case ClearSelection: - command = QItemSelectionModel::Clear; - break; - case RemoveSelection: - command = QItemSelectionModel::Deselect; - break; - case AddToSelection: - command = QItemSelectionModel::SelectCurrent; - break; - } - if (command == QItemSelectionModel::NoUpdate) - return false; - - if (child) - view->selectionModel()->select(idx, command); - else - view->selectionModel()->select(rowAt(row), command); - return true; -} - -class ModelIndexIterator -{ -public: - ModelIndexIterator(QAbstractItemView *view, const QModelIndex &start = QModelIndex()) : m_view(view) - { -#ifndef QT_NO_LISTVIEW - list = qobject_cast<QListView*>(m_view); -#endif -#ifndef QT_NO_TREEVIEW - tree = qobject_cast<QTreeView*>(m_view); -#endif -#ifndef QT_NO_TABLEVIEW - table = qobject_cast<QTableView*>(m_view); -#endif - if (start.isValid()) { - m_current = start; - } else if (m_view && m_view->model()) { - m_current = view->rootIndex().isValid() ? - view->rootIndex().child(0,0) : view->model()->index(0, 0); - } - } - - bool next(int count = 1) { - for (int i = 0; i < count; ++i) { - do { - if (m_current.isValid()) { - const QAbstractItemModel *m = m_current.model(); -#ifndef QT_NO_TREEVIEW - if (tree && m_current.model()->hasChildren(m_current) && tree->isExpanded(m_current)) { - m_current = m_current.child(0, 0); - } else -#endif - { - int row = m_current.row(); - QModelIndex par = m_current.parent(); - - // Go up to the parent if we reach the end of the rows - // If m_curent becomses invalid, stop going up. - while (row + 1 >= m->rowCount(par)) { - m_current = par; - if (m_current.isValid()) { - row = m_current.row(); - par = m_current.parent(); - } else { - row = 0; - par = QModelIndex(); - break; - } - } - - if (m_current.isValid()) - m_current = m_current.sibling(row + 1, 0); - } - } - } while (isHidden()); - } - return m_current.isValid(); - } - - bool isHidden() const { - if (false) { -#ifndef QT_NO_LISTVIEW - } else if (list) { - return list->isRowHidden(m_current.row()); -#endif -#ifndef QT_NO_TREEVIEW - } else if (tree) { - return tree->isRowHidden(m_current.row(), m_current.parent()); -#endif -#ifndef QT_NO_TABLEVIEW - } else if (table) { - return table->isRowHidden(m_current.row()); -#endif - } - return false; - } - - QModelIndex current() const { - return m_current; - } - -private: - QModelIndex m_current; - QAbstractItemView *m_view; - -#ifndef QT_NO_TREEVIEW - QTreeView *tree; -#endif -#ifndef QT_NO_LISTVIEW - QListView *list; -#endif -#ifndef QT_NO_TABLEVIEW - QTableView *table; -#endif -}; - -QAccessibleItemView::QAccessibleItemView(QWidget *w) - : QAccessibleAbstractScrollArea(w->objectName() == QLatin1String("qt_scrollarea_viewport") ? w->parentWidget() : w) -{ - atVP = w->objectName() == QLatin1String("qt_scrollarea_viewport"); - -} - - -QHeaderView *QAccessibleItemView::horizontalHeader() const -{ - QHeaderView *header = 0; - if (false) { -#ifndef QT_NO_TABLEVIEW - } else if (const QTableView *tv = qobject_cast<const QTableView*>(itemView())) { - header = tv->horizontalHeader(); -#endif -#ifndef QT_NO_TREEVIEW - } else if (const QTreeView *tv = qobject_cast<const QTreeView*>(itemView())) { - header = tv->header(); -#endif - } - return header; -} - -QHeaderView *QAccessibleItemView::verticalHeader() const -{ - QHeaderView *header = 0; - if (false) { -#ifndef QT_NO_TABLEVIEW - } else if (const QTableView *tv = qobject_cast<const QTableView*>(itemView())) { - header = tv->verticalHeader(); -#endif - } - return header; -} - - -bool QAccessibleItemView::isValidChildRole(QAccessible::Role role) const -{ - if (atViewport()) { - if (false) { -#ifndef QT_NO_TREEVIEW - } else if (qobject_cast<const QTreeView*>(itemView())) { - return (role == TreeItem || role == Row); -#endif -#ifndef QT_NO_LISTVIEW - } else if (qobject_cast<const QListView*>(itemView())) { - return (role == ListItem); -#endif - } - // TableView - return role == Row; - } else { - if (false) { -#ifndef QT_NO_TREEVIEW - } else if (qobject_cast<const QTreeView*>(itemView())) { - return (role == Tree); -#endif -#ifndef QT_NO_LISTVIEW - } else if (qobject_cast<const QListView*>(itemView())) { - return (role == List); -#endif - } - // TableView - return (role == Table); - } -} - -QObject *QAccessibleItemView::object() const -{ - QObject *view = QAccessibleAbstractScrollArea::object(); - Q_ASSERT(qobject_cast<const QAbstractItemView *>(view)); - if (atViewport()) - view = qobject_cast<const QAbstractItemView *>(view)->viewport(); - return view; -} - -QAbstractItemView *QAccessibleItemView::itemView() const -{ - return qobject_cast<QAbstractItemView *>(QAccessibleAbstractScrollArea::object()); -} - -int QAccessibleItemView::indexOfChild(const QAccessibleInterface *iface) const -{ - if (atViewport()) { - if (!iface || !isValidChildRole(iface->role(0))) - return -1; - - int entry = -1; - // ### This will fail if a row is hidden. - const QAccessibleItemRow *ifRow = static_cast<const QAccessibleItemRow *>(iface); - if (ifRow->horizontalHeader()) - return 1; - - QModelIndex idx = ifRow->row; - if (!idx.isValid()) - return -1; - - entry = entryFromIndex(idx); - if (horizontalHeader()) - ++entry; - - return entry; - - } else { - return QAccessibleAbstractScrollArea::indexOfChild(iface); - } -} - -QModelIndex QAccessibleItemView::childIndex(int child) const -{ - if (!atViewport()) - return QModelIndex(); - ModelIndexIterator it(itemView()); - it.next(child - 1); - return it.current(); -} - -int QAccessibleItemView::entryFromIndex(const QModelIndex &index) const -{ - int entry = -1; - if (false) { -#ifndef QT_NO_TREEVIEW - } else if (QTreeView *tree = qobject_cast<QTreeView*>(itemView())) { - entry = tree->visualIndex(index) + 1; -#endif -#ifndef QT_NO_LISTVIEW - } else if (QListView *list = qobject_cast<QListView*>(itemView())) { - entry = list->visualIndex(index) + 1; -#endif -#ifndef QT_NO_TABLEVIEW - } else if (QTableView *table = qobject_cast<QTableView*>(itemView())) { - entry = table->visualIndex(index) + 1; -#endif - } - return entry; -} - -int QAccessibleItemView::childCount() const -{ - if (atViewport()) { - if (itemView()->model() == 0) - return 0; - QAbstractItemModel *m = itemView()->model(); - QModelIndex idx = m->index(0,0); - if (!idx.isValid()) - return 0; - ModelIndexIterator it(itemView()); - int count = 1; - while (it.next()) { - ++count; - } - if (horizontalHeader()) - ++count; - - return count; - } else { - return QAccessibleAbstractScrollArea::childCount(); - } -} - -QString QAccessibleItemView::text(QAccessible::Text t, int child) const -{ - if (atViewport()) { - if (!child) - return QAccessibleAbstractScrollArea::text(t, child); - - QAccessibleItemRow item(itemView(), childIndex(child)); - if (item.isValid()) { - return item.text(t, 1); - } else { - return QString(); - } - } else { - return QAccessibleAbstractScrollArea::text(t, child); - } -} - -void QAccessibleItemView::setText(QAccessible::Text t, int child, const QString &text) -{ - if (atViewport()) { - if (!child) { - QAccessibleAbstractScrollArea::setText(t, child, text); - return; - } - - QAccessibleItemRow item(itemView(), childIndex(child)); - item.setText(t, 1, text); - } else { - QAccessibleAbstractScrollArea::setText(t, child, text); - } -} - -QRect QAccessibleItemView::rect(int childIndex) const -{ - if (atViewport()) { - QRect r; - if (!childIndex) { - // Make sure that the rect *include* the vertical and horizontal headers, while - // not including the potential vertical and horizontal scrollbars. - QAbstractItemView *w = itemView(); - - int vscrollWidth = 0; - const QScrollBar *sb = w->verticalScrollBar(); - if (sb && sb->isVisible()) - vscrollWidth = sb->width(); - - int hscrollHeight = 0; - sb = w->horizontalScrollBar(); - if (sb && sb->isVisible()) - hscrollHeight = sb->height(); - - QPoint globalPos = w->mapToGlobal(QPoint(0,0)); - r = w->rect().translated(globalPos); - if (w->isRightToLeft()) { - r.adjust(vscrollWidth, 0, 0, -hscrollHeight); - } else { - r.adjust(0, 0, -vscrollWidth, -hscrollHeight); - } - } else { - QAccessibleInterface *iface = child(childIndex - 1); - if (iface) { - r = iface->rect(0); - delete iface; - } - } - return r; - } else { - QRect r = QAccessibleAbstractScrollArea::rect(childIndex); - if (childIndex == 1) { - // include the potential vertical and horizontal headers - - const QHeaderView *header = verticalHeader(); - int headerWidth = (header && header->isVisible()) ? header->width() : 0; - header = horizontalHeader(); - int headerHeight= (header && header->isVisible()) ? header->height() : 0; - if (itemView()->isRightToLeft()) { - r.adjust(0, -headerHeight, headerWidth, 0); - } else { - r.adjust(-headerWidth, -headerHeight, 0, 0); - } - } - return r; - } -} - -int QAccessibleItemView::childAt(int x, int y) const -{ - if (atViewport()) { - QPoint p(x, y); - for (int i = childCount(); i >= 0; --i) { - if (rect(i).contains(p)) - return i; - } - return -1; - } else { - return QAccessibleAbstractScrollArea::childAt(x, y); - } -} - -QAccessible::Role QAccessibleItemView::role(int child) const -{ - if ((!atViewport() && child) || (atViewport() && child == 0)) { - QAbstractItemView *view = itemView(); -#ifndef QT_NO_TABLEVIEW - if (qobject_cast<QTableView *>(view)) - return Table; -#endif -#ifndef QT_NO_LISTVIEW - if (qobject_cast<QListView *>(view)) - return List; -#endif - return Tree; - } - if (atViewport()) { - if (child) - return Row; - } - - return QAccessibleAbstractScrollArea::role(child); -} - -QAccessible::State QAccessibleItemView::state(int child) const -{ - State st = Normal; - - if (itemView() == 0) - return State(Unavailable); - - bool queryViewPort = (atViewport() && child == 0) || (!atViewport() && child == 1); - if (queryViewPort) { - if (itemView()->selectionMode() != QAbstractItemView::NoSelection) { - st |= Selectable; - st |= Focusable; - } - } else if (atViewport()) { // children of viewport - if (horizontalHeader()) - --child; - if (child) { - QAccessibleItemRow item(itemView(), childIndex(child)); - st |= item.state(0); - } - } else if (!atViewport() && child != 1) { - st = QAccessibleAbstractScrollArea::state(child); - } - return st; -} - -bool QAccessibleItemView::isValid() const -{ - if (atViewport()) - return QAccessibleWidget::isValid(); - else - return QAccessibleAbstractScrollArea::isValid(); -} - -int QAccessibleItemView::navigate(RelationFlag relation, int index, - QAccessibleInterface **iface) const -{ - if (atViewport()) { - if (relation == Ancestor && index == 1) { - *iface = new QAccessibleItemView(itemView()); - return 0; - } else if (relation == Child && index >= 1) { - if (horizontalHeader()) { - if (index == 1) { - *iface = new QAccessibleItemRow(itemView(), QModelIndex(), true); - return 0; - } - --index; - } - - //###JAS hidden rows.. - QModelIndex idx = childIndex(index); - if (idx.isValid()) { - *iface = new QAccessibleItemRow(itemView(), idx); - return 0; - } - } else if (relation == Sibling && index >= 1) { - QAccessibleInterface *parent = new QAccessibleItemView(itemView()); - return parent->navigate(Child, index, iface); - } - *iface = 0; - return -1; - } else { - return QAccessibleAbstractScrollArea::navigate(relation, index, iface); - } -} - -/* returns the model index for a given row and column */ -QModelIndex QAccessibleItemView::index(int row, int column) const -{ - return itemView()->model()->index(row, column); -} - -QAccessibleInterface *QAccessibleItemView::accessibleAt(int row, int column) -{ - QWidget *indexWidget = itemView()->indexWidget(index(row, column)); - return QAccessible::queryAccessibleInterface(indexWidget); -} - -/* We don't have a concept of a "caption" in Qt's standard widgets */ -QAccessibleInterface *QAccessibleItemView::caption() -{ - return 0; -} - -/* childIndex is row * columnCount + columnIndex */ -int QAccessibleItemView::childIndex(int rowIndex, int columnIndex) -{ - return rowIndex * itemView()->model()->columnCount() + columnIndex; -} - -/* Return the header data as column description */ -QString QAccessibleItemView::columnDescription(int column) -{ - return itemView()->model()->headerData(column, Qt::Horizontal).toString(); -} - -/* We don't support column spanning atm */ -int QAccessibleItemView::columnSpan(int /* row */, int /* column */) -{ - return 1; -} - -/* Return the horizontal header view */ -QAccessibleInterface *QAccessibleItemView::columnHeader() -{ -#ifndef QT_NO_TREEVIEW - if (QTreeView *tree = qobject_cast<QTreeView *>(itemView())) - return QAccessible::queryAccessibleInterface(tree->header()); -#endif -#ifndef QT_NO_TABLEVIEW - if (QTableView *table = qobject_cast<QTableView *>(itemView())) - return QAccessible::queryAccessibleInterface(table->horizontalHeader()); -#endif - return 0; -} - -int QAccessibleItemView::columnIndex(int childIndex) -{ - int columnCount = itemView()->model()->columnCount(); - if (!columnCount) - return 0; - - return childIndex % columnCount; -} - -int QAccessibleItemView::columnCount() -{ - return itemView()->model()->columnCount(); -} - -int QAccessibleItemView::rowCount() -{ - return itemView()->model()->rowCount(); -} - -int QAccessibleItemView::selectedColumnCount() -{ - return itemView()->selectionModel()->selectedColumns().count(); -} - -int QAccessibleItemView::selectedRowCount() -{ - return itemView()->selectionModel()->selectedRows().count(); -} - -QString QAccessibleItemView::rowDescription(int row) -{ - return itemView()->model()->headerData(row, Qt::Vertical).toString(); -} - -/* We don't support row spanning */ -int QAccessibleItemView::rowSpan(int /*row*/, int /*column*/) -{ - return 1; -} - -QAccessibleInterface *QAccessibleItemView::rowHeader() -{ -#ifndef QT_NO_TABLEVIEW - if (QTableView *table = qobject_cast<QTableView *>(itemView())) - return QAccessible::queryAccessibleInterface(table->verticalHeader()); -#endif - return 0; -} - -int QAccessibleItemView::rowIndex(int childIndex) -{ - int columnCount = itemView()->model()->columnCount(); - if (!columnCount) - return 0; - - return int(childIndex / columnCount); -} - -int QAccessibleItemView::selectedRows(int maxRows, QList<int> *rows) -{ - Q_ASSERT(rows); - - const QModelIndexList selRows = itemView()->selectionModel()->selectedRows(); - int maxCount = qMin(selRows.count(), maxRows); - - for (int i = 0; i < maxCount; ++i) - rows->append(selRows.at(i).row()); - - return maxCount; -} - -int QAccessibleItemView::selectedColumns(int maxColumns, QList<int> *columns) -{ - Q_ASSERT(columns); - - const QModelIndexList selColumns = itemView()->selectionModel()->selectedColumns(); - int maxCount = qMin(selColumns.count(), maxColumns); - - for (int i = 0; i < maxCount; ++i) - columns->append(selColumns.at(i).row()); - - return maxCount; -} - -/* Qt widgets don't have a concept of a summary */ -QAccessibleInterface *QAccessibleItemView::summary() -{ - return 0; -} - -bool QAccessibleItemView::isColumnSelected(int column) -{ - return itemView()->selectionModel()->isColumnSelected(column, QModelIndex()); -} - -bool QAccessibleItemView::isRowSelected(int row) -{ - return itemView()->selectionModel()->isRowSelected(row, QModelIndex()); -} - -bool QAccessibleItemView::isSelected(int row, int column) -{ - return itemView()->selectionModel()->isSelected(index(row, column)); -} - -void QAccessibleItemView::selectRow(int row) -{ - QItemSelectionModel *s = itemView()->selectionModel(); - s->select(index(row, 0), QItemSelectionModel::Select | QItemSelectionModel::Rows); -} - -void QAccessibleItemView::selectColumn(int column) -{ - QItemSelectionModel *s = itemView()->selectionModel(); - s->select(index(0, column), QItemSelectionModel::Select | QItemSelectionModel::Columns); -} - -void QAccessibleItemView::unselectRow(int row) -{ - QItemSelectionModel *s = itemView()->selectionModel(); - s->select(index(row, 0), QItemSelectionModel::Deselect | QItemSelectionModel::Rows); -} - -void QAccessibleItemView::unselectColumn(int column) -{ - QItemSelectionModel *s = itemView()->selectionModel(); - s->select(index(0, column), QItemSelectionModel::Deselect | QItemSelectionModel::Columns); -} - -void QAccessibleItemView::cellAtIndex(int index, int *row, int *column, int *rSpan, - int *cSpan, bool *isSelect) -{ - *row = rowIndex(index); - *column = columnIndex(index); - *rSpan = rowSpan(*row, *column); - *cSpan = columnSpan(*row, *column); - *isSelect = isSelected(*row, *column); -} - -/*! - \class QAccessibleHeader - \brief The QAccessibleHeader class implements the QAccessibleInterface for header widgets. - \internal - - \ingroup accessibility -*/ - -/*! - Constructs a QAccessibleHeader object for \a w. -*/ -QAccessibleHeader::QAccessibleHeader(QWidget *w) -: QAccessibleWidget(w) -{ - Q_ASSERT(header()); - addControllingSignal(QLatin1String("sectionClicked(int)")); -} - -/*! Returns the QHeaderView. */ -QHeaderView *QAccessibleHeader::header() const -{ - return qobject_cast<QHeaderView*>(object()); -} - -QRect QAccessibleHeader::rect(int child) const -{ - if (!child) - return QAccessibleWidget::rect(0); - - QHeaderView *h = header(); - QPoint zero = h->mapToGlobal(QPoint(0, 0)); - int sectionSize = h->sectionSize(child - 1); - int sectionPos = h->sectionPosition(child - 1); - return h->orientation() == Qt::Horizontal - ? QRect(zero.x() + sectionPos, zero.y(), sectionSize, h->height()) - : QRect(zero.x(), zero.y() + sectionPos, h->width(), sectionSize); -} - -int QAccessibleHeader::childCount() const -{ - return header()->count(); -} - -QString QAccessibleHeader::text(QAccessible::Text t, int child) const -{ - QString str; - - if (child > 0 && child <= childCount()) { - switch (t) { - case Name: - str = header()->model()->headerData(child - 1, header()->orientation()).toString(); - break; - case Description: { - QAccessibleEvent event(QEvent::AccessibilityDescription, child); - if (QApplication::sendEvent(widget(), &event)) - str = event.value(); - break; } - case Help: { - QAccessibleEvent event(QEvent::AccessibilityHelp, child); - if (QApplication::sendEvent(widget(), &event)) - str = event.value(); - break; } - default: - break; - } - } - if (str.isEmpty()) - str = QAccessibleWidget::text(t, child); - return str; -} - -QAccessible::Role QAccessibleHeader::role(int) const -{ - return (header()->orientation() == Qt::Horizontal) ? ColumnHeader : RowHeader; -} - -QAccessible::State QAccessibleHeader::state(int child) const -{ - State state = QAccessibleWidget::state(child); - - if (child) { - int section = child - 1; - if (header()->isSectionHidden(section)) - state |= Invisible; - if (header()->resizeMode(section) != QHeaderView::Custom) - state |= Sizeable; - } else { - if (header()->isMovable()) - state |= Movable; - } - if (!header()->isClickable()) - state |= Unavailable; - return state; -} -#endif // QT_NO_ITEMVIEWS -#endif // 0 - #ifndef QT_NO_TABBAR /*! \class QAccessibleTabBar diff --git a/src/plugins/accessible/widgets/complexwidgets.h b/src/plugins/accessible/widgets/complexwidgets.h index 1a69178a87..90fc180313 100644 --- a/src/plugins/accessible/widgets/complexwidgets.h +++ b/src/plugins/accessible/widgets/complexwidgets.h @@ -96,137 +96,8 @@ class QAccessibleScrollArea : public QAccessibleAbstractScrollArea public: explicit QAccessibleScrollArea(QWidget *widget); }; - #endif // QT_NO_SCROLLAREA -#if 0 -#ifndef QT_NO_ITEMVIEWS -class QAccessibleHeader : public QAccessibleWidget -{ -public: - explicit QAccessibleHeader(QWidget *w); - - int childCount() const; - - QRect rect(int child) const; - QString text(QAccessible::Text t, int child) const; - Role role(int child) const; - State state(int child) const; - -protected: - QHeaderView *header() const; -}; - -class QAccessibleItemRow: public QAccessibleInterface -{ - friend class QAccessibleItemView; -public: - QAccessibleItemRow(QAbstractItemView *view, const QModelIndex &index = QModelIndex(), bool isHeader = false); - QRect rect(int child) const; - QString text(QAccessible::Text t, int child) const; - void setText(QAccessible::Text t, int child, const QString &text); - bool isValid() const; - QObject *object() const; - Role role(int child) const; - State state(int child) const; - - int childCount() const; - int indexOfChild(const QAccessibleInterface *) const; - QList<QModelIndex> children() const; - - Relation relationTo(int child, const QAccessibleInterface *other, int otherChild) const; - int childAt(int x, int y) const; - QAccessibleInterface *parent() const; - QAccessibleInterface *child(int index) const; - int navigate(QAccessible::RelationFlag relation, int index, QAccessibleInterface **iface) const; - - int userActionCount(int child) const; - QString actionText(int action, Text t, int child) const; - bool doAction(int action, int child, const QVariantList ¶ms = QVariantList()); - - QModelIndex childIndex(int child) const; - - QHeaderView *horizontalHeader() const; //used by QAccessibleItemView -private: - static QAbstractItemView::CursorAction toCursorAction(Relation rel); - int logicalFromChild(QHeaderView *header, int child) const; - int treeLevel() const; - QHeaderView *verticalHeader() const; - QString text_helper(int child) const; - - QPersistentModelIndex row; - QPointer<QAbstractItemView> view; - bool m_header; -}; - -class QAccessibleItemView: public QAccessibleAbstractScrollArea, public QAccessibleTableInterface -{ -public: - explicit QAccessibleItemView(QWidget *w); - - QObject *object() const; - Role role(int child) const; - State state(int child) const; - QRect rect(int child) const; - int childAt(int x, int y) const; - int childCount() const; - QString text(QAccessible::Text t, int child) const; - void setText(QAccessible::Text t, int child, const QString &text); - int indexOfChild(const QAccessibleInterface *iface) const; - - QModelIndex childIndex(int child) const; - int entryFromIndex(const QModelIndex &index) const; - bool isValid() const; - int navigate(QAccessible::RelationFlag relation, int index, QAccessibleInterface **iface) const; - - QAccessibleInterface *accessibleAt(int row, int column); - QAccessibleInterface *caption(); - int childIndex(int rowIndex, int columnIndex); - QString columnDescription(int column); - int columnSpan(int row, int column); - QAccessibleInterface *columnHeader(); - int columnIndex(int childIndex); - int columnCount(); - int rowCount(); - int selectedColumnCount(); - int selectedRowCount(); - QString rowDescription(int row); - int rowSpan(int row, int column); - QAccessibleInterface *rowHeader(); - int rowIndex(int childIndex); - int selectedRows(int maxRows, QList<int> *rows); - int selectedColumns(int maxColumns, QList<int> *columns); - QAccessibleInterface *summary(); - bool isColumnSelected(int column); - bool isRowSelected(int row); - bool isSelected(int row, int column); - void selectRow(int row); - void selectColumn(int column); - void unselectRow(int row); - void unselectColumn(int column); - void cellAtIndex(int index, int *row, int *column, int *rowSpan, - int *columnSpan, bool *isSelected); - - QHeaderView *horizontalHeader() const; - QHeaderView *verticalHeader() const; - bool isValidChildRole(QAccessible::Role role) const; - -protected: - QAbstractItemView *itemView() const; - QModelIndex index(int row, int column) const; - -private: - inline bool atViewport() const { - return atVP; - }; - QAccessible::Role expectedRoleOfChildren() const; - - bool atVP; -}; - -#endif -#endif - #ifndef QT_NO_TABBAR class QAccessibleTabBar : public QAccessibleWidget { |