diff options
Diffstat (limited to 'launcher/groupview/AccessibleGroupView.cpp')
| -rw-r--r-- | launcher/groupview/AccessibleGroupView.cpp | 778 |
1 files changed, 0 insertions, 778 deletions
diff --git a/launcher/groupview/AccessibleGroupView.cpp b/launcher/groupview/AccessibleGroupView.cpp deleted file mode 100644 index c6541f18..00000000 --- a/launcher/groupview/AccessibleGroupView.cpp +++ /dev/null @@ -1,778 +0,0 @@ -#include "GroupView.h" -#include "AccessibleGroupView.h" -#include "AccessibleGroupView_p.h" - -#include <qvariant.h> -#include <qaccessible.h> -#include <qheaderview.h> - -#ifndef QT_NO_ACCESSIBILITY - -QAccessibleInterface *groupViewAccessibleFactory(const QString &classname, QObject *object) -{ - QAccessibleInterface *iface = 0; - if (!object || !object->isWidgetType()) - return iface; - - QWidget *widget = static_cast<QWidget*>(object); - - if (classname == QLatin1String("GroupView")) { - iface = new AccessibleGroupView((GroupView *)widget); - } - return iface; -} - - -QAbstractItemView *AccessibleGroupView::view() const -{ - return qobject_cast<QAbstractItemView*>(object()); -} - -int AccessibleGroupView::logicalIndex(const QModelIndex &index) const -{ - if (!view()->model() || !index.isValid()) - return -1; - return index.row() * (index.model()->columnCount()) + index.column(); -} - -AccessibleGroupView::AccessibleGroupView(QWidget *w) - : QAccessibleObject(w) -{ - Q_ASSERT(view()); -} - -bool AccessibleGroupView::isValid() const -{ - return view(); -} - -AccessibleGroupView::~AccessibleGroupView() -{ - for (QAccessible::Id id : childToId) { - QAccessible::deleteAccessibleInterface(id); - } -} - -QAccessibleInterface *AccessibleGroupView::cellAt(int row, int column) const -{ - if (!view()->model()) { - return 0; - } - - QModelIndex index = view()->model()->index(row, column, view()->rootIndex()); - if (Q_UNLIKELY(!index.isValid())) { - qWarning() << "AccessibleGroupView::cellAt: invalid index: " << index << " for " << view(); - return 0; - } - - return child(logicalIndex(index)); -} - -QAccessibleInterface *AccessibleGroupView::caption() const -{ - return 0; -} - -QString AccessibleGroupView::columnDescription(int column) const -{ - if (!view()->model()) - return QString(); - - return view()->model()->headerData(column, Qt::Horizontal).toString(); -} - -int AccessibleGroupView::columnCount() const -{ - if (!view()->model()) - return 0; - return 1; -} - -int AccessibleGroupView::rowCount() const -{ - if (!view()->model()) - return 0; - return view()->model()->rowCount(); -} - -int AccessibleGroupView::selectedCellCount() const -{ - if (!view()->selectionModel()) - return 0; - return view()->selectionModel()->selectedIndexes().count(); -} - -int AccessibleGroupView::selectedColumnCount() const -{ - if (!view()->selectionModel()) - return 0; - return view()->selectionModel()->selectedColumns().count(); -} - -int AccessibleGroupView::selectedRowCount() const -{ - if (!view()->selectionModel()) - return 0; - return view()->selectionModel()->selectedRows().count(); -} - -QString AccessibleGroupView::rowDescription(int row) const -{ - if (!view()->model()) - return QString(); - return view()->model()->headerData(row, Qt::Vertical).toString(); -} - -QList<QAccessibleInterface *> AccessibleGroupView::selectedCells() const -{ - QList<QAccessibleInterface*> cells; - if (!view()->selectionModel()) - return cells; - const QModelIndexList selectedIndexes = view()->selectionModel()->selectedIndexes(); - cells.reserve(selectedIndexes.size()); - for (const QModelIndex &index : selectedIndexes) - cells.append(child(logicalIndex(index))); - return cells; -} - -QList<int> AccessibleGroupView::selectedColumns() const -{ - if (!view()->selectionModel()) { - return QList<int>(); - } - - const QModelIndexList selectedColumns = view()->selectionModel()->selectedColumns(); - - QList<int> columns; - columns.reserve(selectedColumns.size()); - for (const QModelIndex &index : selectedColumns) { - columns.append(index.column()); - } - - return columns; -} - -QList<int> AccessibleGroupView::selectedRows() const -{ - if (!view()->selectionModel()) { - return QList<int>(); - } - - QList<int> rows; - - const QModelIndexList selectedRows = view()->selectionModel()->selectedRows(); - - rows.reserve(selectedRows.size()); - for (const QModelIndex &index : selectedRows) { - rows.append(index.row()); - } - - return rows; -} - -QAccessibleInterface *AccessibleGroupView::summary() const -{ - return 0; -} - -bool AccessibleGroupView::isColumnSelected(int column) const -{ - if (!view()->selectionModel()) { - return false; - } - - return view()->selectionModel()->isColumnSelected(column, QModelIndex()); -} - -bool AccessibleGroupView::isRowSelected(int row) const -{ - if (!view()->selectionModel()) { - return false; - } - - return view()->selectionModel()->isRowSelected(row, QModelIndex()); -} - -bool AccessibleGroupView::selectRow(int row) -{ - if (!view()->model() || !view()->selectionModel()) { - return false; - } - QModelIndex index = view()->model()->index(row, 0, view()->rootIndex()); - - if (!index.isValid() || view()->selectionBehavior() == QAbstractItemView::SelectColumns) { - return false; - } - - switch (view()->selectionMode()) { - case QAbstractItemView::NoSelection: { - return false; - } - case QAbstractItemView::SingleSelection: { - if (view()->selectionBehavior() != QAbstractItemView::SelectRows && columnCount() > 1 ) - return false; - view()->clearSelection(); - break; - } - case QAbstractItemView::ContiguousSelection: { - if ((!row || !view()->selectionModel()->isRowSelected(row - 1, view()->rootIndex())) && !view()->selectionModel()->isRowSelected(row + 1, view()->rootIndex())) { - view()->clearSelection(); - } - break; - } - default: { - break; - } - } - - view()->selectionModel()->select(index, QItemSelectionModel::Select | QItemSelectionModel::Rows); - return true; -} - -bool AccessibleGroupView::selectColumn(int column) -{ - if (!view()->model() || !view()->selectionModel()) { - return false; - } - QModelIndex index = view()->model()->index(0, column, view()->rootIndex()); - - if (!index.isValid() || view()->selectionBehavior() == QAbstractItemView::SelectRows) { - return false; - } - - switch (view()->selectionMode()) { - case QAbstractItemView::NoSelection: { - return false; - } - case QAbstractItemView::SingleSelection: { - if (view()->selectionBehavior() != QAbstractItemView::SelectColumns && rowCount() > 1) { - return false; - } - // fallthrough intentional - } - case QAbstractItemView::ContiguousSelection: { - if ((!column || !view()->selectionModel()->isColumnSelected(column - 1, view()->rootIndex())) && !view()->selectionModel()->isColumnSelected(column + 1, view()->rootIndex())) { - view()->clearSelection(); - } - break; - } - default: { - break; - } - } - - view()->selectionModel()->select(index, QItemSelectionModel::Select | QItemSelectionModel::Columns); - return true; -} - -bool AccessibleGroupView::unselectRow(int row) -{ - if (!view()->model() || !view()->selectionModel()) { - return false; - } - - QModelIndex index = view()->model()->index(row, 0, view()->rootIndex()); - if (!index.isValid()) { - return false; - } - - QItemSelection selection(index, index); - auto selectionModel = view()->selectionModel(); - - switch (view()->selectionMode()) { - case QAbstractItemView::SingleSelection: - // no unselect - if (selectedRowCount() == 1) { - return false; - } - break; - case QAbstractItemView::ContiguousSelection: { - // no unselect - if (selectedRowCount() == 1) { - return false; - } - - - if ((!row || selectionModel->isRowSelected(row - 1, view()->rootIndex())) && selectionModel->isRowSelected(row + 1, view()->rootIndex())) { - //If there are rows selected both up the current row and down the current rown, - //the ones which are down the current row will be deselected - selection = QItemSelection(index, view()->model()->index(rowCount() - 1, 0, view()->rootIndex())); - } - } - default: { - break; - } - } - - selectionModel->select(selection, QItemSelectionModel::Deselect | QItemSelectionModel::Rows); - return true; -} - -bool AccessibleGroupView::unselectColumn(int column) -{ - auto model = view()->model(); - if (!model || !view()->selectionModel()) { - return false; - } - - QModelIndex index = model->index(0, column, view()->rootIndex()); - if (!index.isValid()) { - return false; - } - - QItemSelection selection(index, index); - - switch (view()->selectionMode()) { - case QAbstractItemView::SingleSelection: { - //In SingleSelection and ContiguousSelection once an item - //is selected, there's no way for the user to unselect all items - if (selectedColumnCount() == 1) { - return false; - } - break; - } - case QAbstractItemView::ContiguousSelection: - if (selectedColumnCount() == 1) { - return false; - } - - if ((!column || view()->selectionModel()->isColumnSelected(column - 1, view()->rootIndex())) - && view()->selectionModel()->isColumnSelected(column + 1, view()->rootIndex())) { - //If there are columns selected both at the left of the current row and at the right - //of the current row, the ones which are at the right will be deselected - selection = QItemSelection(index, model->index(0, columnCount() - 1, view()->rootIndex())); - } - default: - break; - } - - view()->selectionModel()->select(selection, QItemSelectionModel::Deselect | QItemSelectionModel::Columns); - return true; -} - -QAccessible::Role AccessibleGroupView::role() const -{ - return QAccessible::List; -} - -QAccessible::State AccessibleGroupView::state() const -{ - return QAccessible::State(); -} - -QAccessibleInterface *AccessibleGroupView::childAt(int x, int y) const -{ - QPoint viewportOffset = view()->viewport()->mapTo(view(), QPoint(0,0)); - QPoint indexPosition = view()->mapFromGlobal(QPoint(x, y) - viewportOffset); - // FIXME: if indexPosition < 0 in one coordinate, return header - - QModelIndex index = view()->indexAt(indexPosition); - if (index.isValid()) { - return child(logicalIndex(index)); - } - return 0; -} - -int AccessibleGroupView::childCount() const -{ - if (!view()->model()) { - return 0; - } - return (view()->model()->rowCount()) * (view()->model()->columnCount()); -} - -int AccessibleGroupView::indexOfChild(const QAccessibleInterface *iface) const -{ - if (!view()->model()) - return -1; - QAccessibleInterface *parent = iface->parent(); - if (parent->object() != view()) - return -1; - - Q_ASSERT(iface->role() != QAccessible::TreeItem); // should be handled by tree class - if (iface->role() == QAccessible::Cell || iface->role() == QAccessible::ListItem) { - const AccessibleGroupViewItem* cell = static_cast<const AccessibleGroupViewItem*>(iface); - return logicalIndex(cell->m_index); - } else if (iface->role() == QAccessible::Pane) { - return 0; // corner button - } else { - qWarning() << "AccessibleGroupView::indexOfChild has a child with unknown role..." << iface->role() << iface->text(QAccessible::Name); - } - // FIXME: we are in denial of our children. this should stop. - return -1; -} - -QString AccessibleGroupView::text(QAccessible::Text t) const -{ - if (t == QAccessible::Description) - return view()->accessibleDescription(); - return view()->accessibleName(); -} - -QRect AccessibleGroupView::rect() const -{ - if (!view()->isVisible()) - return QRect(); - QPoint pos = view()->mapToGlobal(QPoint(0, 0)); - return QRect(pos.x(), pos.y(), view()->width(), view()->height()); -} - -QAccessibleInterface *AccessibleGroupView::parent() const -{ - if (view() && view()->parent()) { - if (qstrcmp("QComboBoxPrivateContainer", view()->parent()->metaObject()->className()) == 0) { - return QAccessible::queryAccessibleInterface(view()->parent()->parent()); - } - return QAccessible::queryAccessibleInterface(view()->parent()); - } - return 0; -} - -QAccessibleInterface *AccessibleGroupView::child(int logicalIndex) const -{ - if (!view()->model()) - return 0; - - auto id = childToId.constFind(logicalIndex); - if (id != childToId.constEnd()) - return QAccessible::accessibleInterface(id.value()); - - int columns = view()->model()->columnCount(); - - int row = logicalIndex / columns; - int column = logicalIndex % columns; - - QAccessibleInterface *iface = 0; - - QModelIndex index = view()->model()->index(row, column, view()->rootIndex()); - if (Q_UNLIKELY(!index.isValid())) { - qWarning("AccessibleGroupView::child: Invalid index at: %d %d", row, column); - return 0; - } - iface = new AccessibleGroupViewItem(view(), index); - - QAccessible::registerAccessibleInterface(iface); - childToId.insert(logicalIndex, QAccessible::uniqueId(iface)); - return iface; -} - -void *AccessibleGroupView::interface_cast(QAccessible::InterfaceType t) -{ - if (t == QAccessible::TableInterface) - return static_cast<QAccessibleTableInterface*>(this); - return 0; -} - -void AccessibleGroupView::modelChange(QAccessibleTableModelChangeEvent *event) -{ - // if there is no cache yet, we don't update anything - if (childToId.isEmpty()) - return; - - switch (event->modelChangeType()) { - case QAccessibleTableModelChangeEvent::ModelReset: - for (QAccessible::Id id : childToId) - QAccessible::deleteAccessibleInterface(id); - childToId.clear(); - break; - - // rows are inserted: move every row after that - case QAccessibleTableModelChangeEvent::RowsInserted: - case QAccessibleTableModelChangeEvent::ColumnsInserted: { - - ChildCache newCache; - ChildCache::ConstIterator iter = childToId.constBegin(); - - while (iter != childToId.constEnd()) { - QAccessible::Id id = iter.value(); - QAccessibleInterface *iface = QAccessible::accessibleInterface(id); - Q_ASSERT(iface); - if (indexOfChild(iface) >= 0) { - newCache.insert(indexOfChild(iface), id); - } else { - // ### This should really not happen, - // but it might if the view has a root index set. - // This needs to be fixed. - QAccessible::deleteAccessibleInterface(id); - } - ++iter; - } - childToId = newCache; - break; - } - - case QAccessibleTableModelChangeEvent::ColumnsRemoved: - case QAccessibleTableModelChangeEvent::RowsRemoved: { - ChildCache newCache; - ChildCache::ConstIterator iter = childToId.constBegin(); - while (iter != childToId.constEnd()) { - QAccessible::Id id = iter.value(); - QAccessibleInterface *iface = QAccessible::accessibleInterface(id); - Q_ASSERT(iface); - if (iface->role() == QAccessible::Cell || iface->role() == QAccessible::ListItem) { - Q_ASSERT(iface->tableCellInterface()); - AccessibleGroupViewItem *cell = static_cast<AccessibleGroupViewItem*>(iface->tableCellInterface()); - // Since it is a QPersistentModelIndex, we only need to check if it is valid - if (cell->m_index.isValid()) - newCache.insert(indexOfChild(cell), id); - else - QAccessible::deleteAccessibleInterface(id); - } - ++iter; - } - childToId = newCache; - break; - } - - case QAccessibleTableModelChangeEvent::DataChanged: - // nothing to do in this case - break; - } -} - -// TABLE CELL - -AccessibleGroupViewItem::AccessibleGroupViewItem(QAbstractItemView *view_, const QModelIndex &index_) - : view(view_), m_index(index_) -{ - if (Q_UNLIKELY(!index_.isValid())) - qWarning() << "AccessibleGroupViewItem::AccessibleGroupViewItem with invalid index: " << index_; -} - -void *AccessibleGroupViewItem::interface_cast(QAccessible::InterfaceType t) -{ - if (t == QAccessible::TableCellInterface) - return static_cast<QAccessibleTableCellInterface*>(this); - if (t == QAccessible::ActionInterface) - return static_cast<QAccessibleActionInterface*>(this); - return 0; -} - -int AccessibleGroupViewItem::columnExtent() const { return 1; } -int AccessibleGroupViewItem::rowExtent() const { return 1; } - -QList<QAccessibleInterface*> AccessibleGroupViewItem::rowHeaderCells() const -{ - return {}; -} - -QList<QAccessibleInterface*> AccessibleGroupViewItem::columnHeaderCells() const -{ - return {}; -} - -int AccessibleGroupViewItem::columnIndex() const -{ - if (!isValid()) { - return -1; - } - - return m_index.column(); -} - -int AccessibleGroupViewItem::rowIndex() const -{ - if (!isValid()) { - return -1; - } - - return m_index.row(); -} - -bool AccessibleGroupViewItem::isSelected() const -{ - if (!isValid()) { - return false; - } - - return view->selectionModel()->isSelected(m_index); -} - -QStringList AccessibleGroupViewItem::actionNames() const -{ - QStringList names; - names << toggleAction(); - return names; -} - -void AccessibleGroupViewItem::doAction(const QString& actionName) -{ - if (actionName == toggleAction()) { - if (isSelected()) { - unselectCell(); - } - else { - selectCell(); - } - } -} - -QStringList AccessibleGroupViewItem::keyBindingsForAction(const QString &) const -{ - return QStringList(); -} - - -void AccessibleGroupViewItem::selectCell() -{ - if (!isValid()) { - return; - } - QAbstractItemView::SelectionMode selectionMode = view->selectionMode(); - if (selectionMode == QAbstractItemView::NoSelection) { - return; - } - - Q_ASSERT(table()); - QAccessibleTableInterface *cellTable = table()->tableInterface(); - - switch (view->selectionBehavior()) { - case QAbstractItemView::SelectItems: - break; - case QAbstractItemView::SelectColumns: - if (cellTable) - cellTable->selectColumn(m_index.column()); - return; - case QAbstractItemView::SelectRows: - if (cellTable) - cellTable->selectRow(m_index.row()); - return; - } - - if (selectionMode == QAbstractItemView::SingleSelection) { - view->clearSelection(); - } - - view->selectionModel()->select(m_index, QItemSelectionModel::Select); -} - -void AccessibleGroupViewItem::unselectCell() -{ - if (!isValid()) - return; - QAbstractItemView::SelectionMode selectionMode = view->selectionMode(); - if (selectionMode == QAbstractItemView::NoSelection) - return; - - QAccessibleTableInterface *cellTable = table()->tableInterface(); - - switch (view->selectionBehavior()) { - case QAbstractItemView::SelectItems: - break; - case QAbstractItemView::SelectColumns: - if (cellTable) - cellTable->unselectColumn(m_index.column()); - return; - case QAbstractItemView::SelectRows: - if (cellTable) - cellTable->unselectRow(m_index.row()); - return; - } - - //If the mode is not MultiSelection or ExtendedSelection and only - //one cell is selected it cannot be unselected by the user - if ((selectionMode != QAbstractItemView::MultiSelection) && (selectionMode != QAbstractItemView::ExtendedSelection) && (view->selectionModel()->selectedIndexes().count() <= 1)) - return; - - view->selectionModel()->select(m_index, QItemSelectionModel::Deselect); -} - -QAccessibleInterface *AccessibleGroupViewItem::table() const -{ - return QAccessible::queryAccessibleInterface(view); -} - -QAccessible::Role AccessibleGroupViewItem::role() const -{ - return QAccessible::ListItem; -} - -QAccessible::State AccessibleGroupViewItem::state() const -{ - QAccessible::State st; - if (!isValid()) - return st; - - QRect globalRect = view->rect(); - globalRect.translate(view->mapToGlobal(QPoint(0,0))); - if (!globalRect.intersects(rect())) - st.invisible = true; - - if (view->selectionModel()->isSelected(m_index)) - st.selected = true; - if (view->selectionModel()->currentIndex() == m_index) - st.focused = true; - if (m_index.model()->data(m_index, Qt::CheckStateRole).toInt() == Qt::Checked) - st.checked = true; - - Qt::ItemFlags flags = m_index.flags(); - if (flags & Qt::ItemIsSelectable) { - st.selectable = true; - st.focusable = true; - if (view->selectionMode() == QAbstractItemView::MultiSelection) - st.multiSelectable = true; - if (view->selectionMode() == QAbstractItemView::ExtendedSelection) - st.extSelectable = true; - } - return st; -} - - -QRect AccessibleGroupViewItem::rect() const -{ - QRect r; - if (!isValid()) - return r; - r = view->visualRect(m_index); - - if (!r.isNull()) { - r.translate(view->viewport()->mapTo(view, QPoint(0,0))); - r.translate(view->mapToGlobal(QPoint(0, 0))); - } - return r; -} - -QString AccessibleGroupViewItem::text(QAccessible::Text t) const -{ - QString value; - if (!isValid()) - return value; - QAbstractItemModel *model = view->model(); - switch (t) { - case QAccessible::Name: - value = model->data(m_index, Qt::AccessibleTextRole).toString(); - if (value.isEmpty()) - value = model->data(m_index, Qt::DisplayRole).toString(); - break; - case QAccessible::Description: - value = model->data(m_index, Qt::AccessibleDescriptionRole).toString(); - break; - default: - break; - } - return value; -} - -void AccessibleGroupViewItem::setText(QAccessible::Text /*t*/, const QString &text) -{ - if (!isValid() || !(m_index.flags() & Qt::ItemIsEditable)) - return; - view->model()->setData(m_index, text); -} - -bool AccessibleGroupViewItem::isValid() const -{ - return view && view->model() && m_index.isValid(); -} - -QAccessibleInterface *AccessibleGroupViewItem::parent() const -{ - return QAccessible::queryAccessibleInterface(view); -} - -QAccessibleInterface *AccessibleGroupViewItem::child(int) const -{ - return 0; -} - -#endif /* !QT_NO_ACCESSIBILITY */ |