diff options
Diffstat (limited to 'src/plugins/accessible/widgets/itemviews.cpp')
| -rw-r--r-- | src/plugins/accessible/widgets/itemviews.cpp | 1222 |
1 files changed, 0 insertions, 1222 deletions
diff --git a/src/plugins/accessible/widgets/itemviews.cpp b/src/plugins/accessible/widgets/itemviews.cpp deleted file mode 100644 index 7d3668ee5a..0000000000 --- a/src/plugins/accessible/widgets/itemviews.cpp +++ /dev/null @@ -1,1222 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/legal -** -** 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 Digia. For licensing terms and -** conditions see http://qt.digia.com/licensing. For further information -** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Digia gives you certain additional -** rights. These rights are described in the Digia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3.0 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU General Public License version 3.0 requirements will be -** met: http://www.gnu.org/copyleft/gpl.html. -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "itemviews.h" - -#include <qheaderview.h> -#include <qtableview.h> -#include <qlistview.h> -#include <qtreeview.h> -#include <private/qtreewidget_p.h> - -#ifndef QT_NO_ACCESSIBILITY - -QT_BEGIN_NAMESPACE - -QString Q_GUI_EXPORT qt_accStripAmp(const QString &text); - -#ifndef QT_NO_ITEMVIEWS -/* -Implementation of the IAccessible2 table2 interface. Much simpler than -the other table interfaces since there is only the main table and cells: - -TABLE/LIST/TREE - |- HEADER CELL - |- CELL - |- CELL - ... -*/ - - -QAbstractItemView *QAccessibleTable::view() const -{ - return qobject_cast<QAbstractItemView*>(object()); -} - -int QAccessibleTable::logicalIndex(const QModelIndex &index) const -{ - if (!view()->model() || !index.isValid()) - return -1; - int vHeader = verticalHeader() ? 1 : 0; - int hHeader = horizontalHeader() ? 1 : 0; - return (index.row() + hHeader)*(index.model()->columnCount() + vHeader) + (index.column() + vHeader); -} - -QAccessibleTable::QAccessibleTable(QWidget *w) - : QAccessibleObject(w) -{ - Q_ASSERT(view()); - - if (qobject_cast<const QTableView*>(view())) { - m_role = QAccessible::Table; - } else if (qobject_cast<const QTreeView*>(view())) { - m_role = QAccessible::Tree; - } else if (qobject_cast<const QListView*>(view())) { - m_role = QAccessible::List; - } else { - // is this our best guess? - m_role = QAccessible::Table; - } -} - -bool QAccessibleTable::isValid() const -{ - return (view() && !qobject_cast<QWidget*>(view())->d_func()->data.in_destructor); -} - -QAccessibleTable::~QAccessibleTable() -{ - Q_FOREACH (QAccessible::Id id, childToId.values()) - QAccessible::deleteAccessibleInterface(id); -} - -QHeaderView *QAccessibleTable::horizontalHeader() const -{ - QHeaderView *header = 0; - 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 *QAccessibleTable::verticalHeader() const -{ - QHeaderView *header = 0; - if (false) { -#ifndef QT_NO_TABLEVIEW - } else if (const QTableView *tv = qobject_cast<const QTableView*>(view())) { - header = tv->verticalHeader(); -#endif - } - return header; -} - -QAccessibleInterface *QAccessibleTable::cellAt(int row, int column) const -{ - if (!view()->model()) - return 0; - Q_ASSERT(role() != QAccessible::Tree); - QModelIndex index = view()->model()->index(row, column, view()->rootIndex()); - if (!index.isValid()) { - qWarning() << "QAccessibleTable::cellAt: invalid index: " << index << " for " << view(); - return 0; - } - return child(logicalIndex(index)); -} - -QAccessibleInterface *QAccessibleTable::caption() const -{ - return 0; -} - -QString QAccessibleTable::columnDescription(int column) const -{ - if (!view()->model()) - return QString(); - return view()->model()->headerData(column, Qt::Horizontal).toString(); -} - -int QAccessibleTable::columnCount() const -{ - if (!view()->model()) - return 0; - return view()->model()->columnCount(); -} - -int QAccessibleTable::rowCount() const -{ - if (!view()->model()) - return 0; - return view()->model()->rowCount(); -} - -int QAccessibleTable::selectedCellCount() const -{ - if (!view()->selectionModel()) - return 0; - return view()->selectionModel()->selectedIndexes().count(); -} - -int QAccessibleTable::selectedColumnCount() const -{ - if (!view()->selectionModel()) - return 0; - return view()->selectionModel()->selectedColumns().count(); -} - -int QAccessibleTable::selectedRowCount() const -{ - if (!view()->selectionModel()) - return 0; - return view()->selectionModel()->selectedRows().count(); -} - -QString QAccessibleTable::rowDescription(int row) const -{ - if (!view()->model()) - return QString(); - return view()->model()->headerData(row, Qt::Vertical).toString(); -} - -QList<QAccessibleInterface *> QAccessibleTable::selectedCells() const -{ - QList<QAccessibleInterface*> cells; - if (!view()->selectionModel()) - return cells; - Q_FOREACH (const QModelIndex &index, view()->selectionModel()->selectedIndexes()) - cells.append(child(logicalIndex(index))); - return cells; -} - -QList<int> QAccessibleTable::selectedColumns() const -{ - if (!view()->selectionModel()) - return QList<int>(); - QList<int> columns; - Q_FOREACH (const QModelIndex &index, view()->selectionModel()->selectedColumns()) { - columns.append(index.column()); - } - return columns; -} - -QList<int> QAccessibleTable::selectedRows() const -{ - if (!view()->selectionModel()) - return QList<int>(); - QList<int> rows; - Q_FOREACH (const QModelIndex &index, view()->selectionModel()->selectedRows()) { - rows.append(index.row()); - } - return rows; -} - -QAccessibleInterface *QAccessibleTable::summary() const -{ - return 0; -} - -bool QAccessibleTable::isColumnSelected(int column) const -{ - if (!view()->selectionModel()) - return false; - return view()->selectionModel()->isColumnSelected(column, QModelIndex()); -} - -bool QAccessibleTable::isRowSelected(int row) const -{ - if (!view()->selectionModel()) - return false; - return view()->selectionModel()->isRowSelected(row, QModelIndex()); -} - -bool QAccessibleTable::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 QAccessibleTable::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; - 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 QAccessibleTable::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); - - 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 (selectedRowCount() == 1) - return false; - break; - case QAbstractItemView::ContiguousSelection: - if (selectedRowCount() == 1) - return false; - - if ((!row || view()->selectionModel()->isRowSelected(row - 1, view()->rootIndex())) - && view()->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; - } - - view()->selectionModel()->select(selection, QItemSelectionModel::Deselect | QItemSelectionModel::Rows); - return true; -} - -bool QAccessibleTable::unselectColumn(int column) -{ - if (!view()->model() || !view()->selectionModel()) - return false; - - QModelIndex index = view()->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 rown, the ones which are at the right will be deselected - selection = QItemSelection(index, view()->model()->index(0, columnCount() - 1, view()->rootIndex())); - } - default: - break; - } - - view()->selectionModel()->select(selection, QItemSelectionModel::Deselect | QItemSelectionModel::Columns); - return true; -} - -QAccessible::Role QAccessibleTable::role() const -{ - return m_role; -} - -QAccessible::State QAccessibleTable::state() const -{ - return QAccessible::State(); -} - -QAccessibleInterface *QAccessibleTable::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 QAccessibleTable::childCount() const -{ - if (!view()->model()) - return 0; - int vHeader = verticalHeader() ? 1 : 0; - int hHeader = horizontalHeader() ? 1 : 0; - return (view()->model()->rowCount()+hHeader) * (view()->model()->columnCount()+vHeader); -} - -int QAccessibleTable::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 QAccessibleTableCell* cell = static_cast<const QAccessibleTableCell*>(iface); - return logicalIndex(cell->m_index); - } else if (iface->role() == QAccessible::ColumnHeader){ - const QAccessibleTableHeaderCell* cell = static_cast<const QAccessibleTableHeaderCell*>(iface); - return cell->index + (verticalHeader() ? 1 : 0); - } else if (iface->role() == QAccessible::RowHeader){ - const QAccessibleTableHeaderCell* cell = static_cast<const QAccessibleTableHeaderCell*>(iface); - return (cell->index + 1) * (view()->model()->columnCount() + 1); - } else if (iface->role() == QAccessible::Pane) { - return 0; // corner button - } else { - qWarning() << "WARNING QAccessibleTable::indexOfChild Fix my children..." - << iface->role() << iface->text(QAccessible::Name); - } - // FIXME: we are in denial of our children. this should stop. - return -1; -} - -QString QAccessibleTable::text(QAccessible::Text t) const -{ - if (t == QAccessible::Description) - return view()->accessibleDescription(); - return view()->accessibleName(); -} - -QRect QAccessibleTable::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 *QAccessibleTable::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 *QAccessibleTable::child(int logicalIndex) const -{ - if (!view()->model()) - return 0; - - if (childToId.contains(logicalIndex)) { - QAccessible::Id id = childToId.value(logicalIndex); - return QAccessible::accessibleInterface(id); - } - - int vHeader = verticalHeader() ? 1 : 0; - int hHeader = horizontalHeader() ? 1 : 0; - - int columns = view()->model()->columnCount() + vHeader; - - int row = logicalIndex / columns; - int column = logicalIndex % columns; - - QAccessibleInterface *iface = 0; - - if (vHeader) { - if (column == 0) { - if (hHeader && row == 0) { - iface = new QAccessibleTableCornerButton(view()); - } else { - iface = new QAccessibleTableHeaderCell(view(), row - hHeader, Qt::Vertical); - } - } - --column; - } - if (!iface && hHeader) { - if (row == 0) { - iface = new QAccessibleTableHeaderCell(view(), column, Qt::Horizontal); - } - --row; - } - - if (!iface) { - QModelIndex index = view()->model()->index(row, column, view()->rootIndex()); - if (!index.isValid()) { - qWarning() << "QAccessibleTable::child: Invalid index at: " << row << column; - return 0; - } - iface = new QAccessibleTableCell(view(), index, cellRole()); - } - - QAccessible::registerAccessibleInterface(iface); - childToId.insert(logicalIndex, QAccessible::uniqueId(iface)); - return iface; -} - -void *QAccessibleTable::interface_cast(QAccessible::InterfaceType t) -{ - if (t == QAccessible::TableInterface) - return static_cast<QAccessibleTableInterface*>(this); - return 0; -} - -void QAccessibleTable::modelChange(QAccessibleTableModelChangeEvent *event) -{ - // if there is no cache yet, we don't update anything - if (childToId.isEmpty()) - return; - - switch (event->modelChangeType()) { - case QAccessibleTableModelChangeEvent::ModelReset: - Q_FOREACH (QAccessible::Id id, childToId.values()) - QAccessible::deleteAccessibleInterface(id); - childToId.clear(); - break; - - // rows are inserted: move every row after that - case QAccessibleTableModelChangeEvent::RowsInserted: - case QAccessibleTableModelChangeEvent::ColumnsInserted: { - int newRows = event->lastRow() - event->firstRow() + 1; - int newColumns = event->lastColumn() - event->firstColumn() + 1; - - 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()); - QAccessibleTableCell *cell = static_cast<QAccessibleTableCell*>(iface->tableCellInterface()); - if (event->modelChangeType() == QAccessibleTableModelChangeEvent::RowsInserted - && cell->m_index.row() >= event->firstRow()) { - int newRow = cell->m_index.row() + newRows; - cell->m_index = cell->m_index.sibling(newRow, cell->m_index.column()); - } else if (event->modelChangeType() == QAccessibleTableModelChangeEvent::ColumnsInserted - && cell->m_index.column() >= event->firstColumn()) { - int newColumn = cell->m_index.column() + newColumns; - cell->m_index = cell->m_index.sibling(cell->m_index.row(), newColumn); - } - } else if (event->modelChangeType() == QAccessibleTableModelChangeEvent::RowsInserted - && iface->role() == QAccessible::RowHeader) { - QAccessibleTableHeaderCell *cell = static_cast<QAccessibleTableHeaderCell*>(iface); - if (cell->index >= event->firstRow()) { - cell->index += newRows; - } - } else if (event->modelChangeType() == QAccessibleTableModelChangeEvent::ColumnsInserted - && iface->role() == QAccessible::ColumnHeader) { - QAccessibleTableHeaderCell *cell = static_cast<QAccessibleTableHeaderCell*>(iface); - if (cell->index >= event->firstColumn()) { - cell->index += newColumns; - } - } - 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: { - int deletedColumns = event->lastColumn() - event->firstColumn() + 1; - int deletedRows = event->lastRow() - event->firstRow() + 1; - 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()); - QAccessibleTableCell *cell = static_cast<QAccessibleTableCell*>(iface->tableCellInterface()); - if (event->modelChangeType() == QAccessibleTableModelChangeEvent::RowsRemoved) { - if (cell->m_index.row() < event->firstRow()) { - newCache.insert(indexOfChild(cell), id); - } else if (cell->m_index.row() > event->lastRow()) { - int newRow = cell->m_index.row() - deletedRows; - cell->m_index = cell->m_index.sibling(newRow, cell->m_index.column()); - newCache.insert(indexOfChild(cell), id); - } else { - QAccessible::deleteAccessibleInterface(id); - } - } else if (event->modelChangeType() == QAccessibleTableModelChangeEvent::ColumnsRemoved) { - if (cell->m_index.column() < event->firstColumn()) { - newCache.insert(indexOfChild(cell), id); - } else if (cell->m_index.column() > event->lastColumn()) { - int newColumn = cell->m_index.column() - deletedColumns; - cell->m_index = cell->m_index.sibling(cell->m_index.row(), newColumn); - newCache.insert(indexOfChild(cell), id); - } else { - QAccessible::deleteAccessibleInterface(id); - } - } - } else if (event->modelChangeType() == QAccessibleTableModelChangeEvent::RowsRemoved - && iface->role() == QAccessible::RowHeader) { - QAccessibleTableHeaderCell *cell = static_cast<QAccessibleTableHeaderCell*>(iface); - if (cell->index < event->firstRow()) { - newCache.insert(indexOfChild(cell), id); - } else if (cell->index > event->lastRow()) { - cell->index -= deletedRows; - newCache.insert(indexOfChild(cell), id); - } else { - QAccessible::deleteAccessibleInterface(id); - } - } else if (event->modelChangeType() == QAccessibleTableModelChangeEvent::ColumnsRemoved - && iface->role() == QAccessible::ColumnHeader) { - QAccessibleTableHeaderCell *cell = static_cast<QAccessibleTableHeaderCell*>(iface); - if (cell->index < event->firstColumn()) { - newCache.insert(indexOfChild(cell), id); - } else if (cell->index > event->lastColumn()) { - cell->index -= deletedColumns; - newCache.insert(indexOfChild(cell), id); - } else { - QAccessible::deleteAccessibleInterface(id); - } - } - ++iter; - } - childToId = newCache; - break; - } - - case QAccessibleTableModelChangeEvent::DataChanged: - // nothing to do in this case - break; - } -} - -// TREE VIEW - -QModelIndex QAccessibleTree::indexFromLogical(int row, int column) const -{ - if (!isValid() || !view()->model()) - return QModelIndex(); - - const QTreeView *treeView = qobject_cast<const QTreeView*>(view()); - if ((row < 0) || (column < 0) || (treeView->d_func()->viewItems.count() <= row)) { - qWarning() << "QAccessibleTree::indexFromLogical: invalid index: " << row << column << " for " << treeView; - return QModelIndex(); - } - QModelIndex modelIndex = treeView->d_func()->viewItems.at(row).index; - - if (modelIndex.isValid() && column > 0) { - modelIndex = view()->model()->index(modelIndex.row(), column, modelIndex.parent()); - } - return modelIndex; -} - -QAccessibleInterface *QAccessibleTree::childAt(int x, int y) const -{ - if (!view()->model()) - return 0; - QPoint viewportOffset = view()->viewport()->mapTo(view(), QPoint(0,0)); - QPoint indexPosition = view()->mapFromGlobal(QPoint(x, y) - viewportOffset); - - QModelIndex index = view()->indexAt(indexPosition); - if (!index.isValid()) - return 0; - - const QTreeView *treeView = qobject_cast<const QTreeView*>(view()); - int row = treeView->d_func()->viewIndex(index) + (horizontalHeader() ? 1 : 0); - int column = index.column(); - - int i = row * view()->model()->columnCount() + column; - return child(i); -} - -int QAccessibleTree::childCount() const -{ - const QTreeView *treeView = qobject_cast<const QTreeView*>(view()); - Q_ASSERT(treeView); - if (!view()->model()) - return 0; - - int hHeader = horizontalHeader() ? 1 : 0; - return (treeView->d_func()->viewItems.count() + hHeader)* view()->model()->columnCount(); -} - - -QAccessibleInterface *QAccessibleTree::child(int logicalIndex) const -{ - if (logicalIndex < 0 || !view()->model() || !view()->model()->columnCount()) - return 0; - - QAccessibleInterface *iface = 0; - int index = logicalIndex; - - if (horizontalHeader()) { - if (index < view()->model()->columnCount()) { - iface = new QAccessibleTableHeaderCell(view(), index, Qt::Horizontal); - } else { - index -= view()->model()->columnCount(); - } - } - - if (!iface) { - int row = index / view()->model()->columnCount(); - int column = index % view()->model()->columnCount(); - QModelIndex modelIndex = indexFromLogical(row, column); - if (!modelIndex.isValid()) - return 0; - iface = new QAccessibleTableCell(view(), modelIndex, cellRole()); - } - QAccessible::registerAccessibleInterface(iface); - // ### FIXME: get interfaces from the cache instead of re-creating them - return iface; -} - -int QAccessibleTree::rowCount() const -{ - const QTreeView *treeView = qobject_cast<const QTreeView*>(view()); - Q_ASSERT(treeView); - return treeView->d_func()->viewItems.count(); -} - -int QAccessibleTree::indexOfChild(const QAccessibleInterface *iface) const -{ - if (!view()->model()) - return -1; - QAccessibleInterface *parent = iface->parent(); - if (parent->object() != view()) - return -1; - - if (iface->role() == QAccessible::TreeItem) { - const QAccessibleTableCell* cell = static_cast<const QAccessibleTableCell*>(iface); - const QTreeView *treeView = qobject_cast<const QTreeView*>(view()); - Q_ASSERT(treeView); - int row = treeView->d_func()->viewIndex(cell->m_index) + (horizontalHeader() ? 1 : 0); - int column = cell->m_index.column(); - - int index = row * view()->model()->columnCount() + column; - return index; - } else if (iface->role() == QAccessible::ColumnHeader){ - const QAccessibleTableHeaderCell* cell = static_cast<const QAccessibleTableHeaderCell*>(iface); - return cell->index; - } else { - qWarning() << "WARNING QAccessibleTable::indexOfChild invalid child" - << iface->role() << iface->text(QAccessible::Name); - } - // FIXME: add scrollbars and don't just ignore them - return -1; -} - -QAccessibleInterface *QAccessibleTree::cellAt(int row, int column) const -{ - QModelIndex index = indexFromLogical(row, column); - if (!index.isValid()) { - qWarning() << "Requested invalid tree cell: " << row << column; - return 0; - } - const QTreeView *treeView = qobject_cast<const QTreeView*>(view()); - Q_ASSERT(treeView); - int logicalIndex = treeView->d_func()->accessibleTable2Index(index); - - return child(logicalIndex); // FIXME ### new QAccessibleTableCell(view(), index, cellRole()); -} - -QString QAccessibleTree::rowDescription(int) const -{ - return QString(); // no headers for rows in trees -} - -bool QAccessibleTree::isRowSelected(int row) const -{ - if (!view()->selectionModel()) - return false; - QModelIndex index = indexFromLogical(row); - return view()->selectionModel()->isRowSelected(index.row(), index.parent()); -} - -bool QAccessibleTree::selectRow(int row) -{ - if (!view()->selectionModel()) - return false; - QModelIndex index = indexFromLogical(row); - - 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; -} - -// TABLE CELL - -QAccessibleTableCell::QAccessibleTableCell(QAbstractItemView *view_, const QModelIndex &index_, QAccessible::Role role_) - : /* QAccessibleSimpleEditableTextInterface(this), */ view(view_), m_index(index_), m_role(role_) -{ - if (!index_.isValid()) - qWarning() << "QAccessibleTableCell::QAccessibleTableCell with invalid index: " << index_; -} - -void *QAccessibleTableCell::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 QAccessibleTableCell::columnExtent() const { return 1; } -int QAccessibleTableCell::rowExtent() const { return 1; } - -QList<QAccessibleInterface*> QAccessibleTableCell::rowHeaderCells() const -{ - QList<QAccessibleInterface*> headerCell; - if (verticalHeader()) { - // FIXME - headerCell.append(new QAccessibleTableHeaderCell(view, m_index.row(), Qt::Vertical)); - } - return headerCell; -} - -QList<QAccessibleInterface*> QAccessibleTableCell::columnHeaderCells() const -{ - QList<QAccessibleInterface*> headerCell; - if (horizontalHeader()) { - // FIXME - headerCell.append(new QAccessibleTableHeaderCell(view, m_index.column(), Qt::Horizontal)); - } - return headerCell; -} - -QHeaderView *QAccessibleTableCell::horizontalHeader() const -{ - QHeaderView *header = 0; - - 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 *QAccessibleTableCell::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 QAccessibleTableCell::columnIndex() const -{ - return m_index.column(); -} - -int QAccessibleTableCell::rowIndex() const -{ - if (role() == QAccessible::TreeItem) { - const QTreeView *treeView = qobject_cast<const QTreeView*>(view); - Q_ASSERT(treeView); - int row = treeView->d_func()->viewIndex(m_index); - return row; - } - return m_index.row(); -} - -bool QAccessibleTableCell::isSelected() const -{ - return view->selectionModel()->isSelected(m_index); -} - -QStringList QAccessibleTableCell::actionNames() const -{ - QStringList names; - names << toggleAction(); - return names; -} - -void QAccessibleTableCell::doAction(const QString& actionName) -{ - if (actionName == toggleAction()) { - if (isSelected()) - unselectCell(); - else - selectCell(); - } -} - -QStringList QAccessibleTableCell::keyBindingsForAction(const QString &) const -{ - return QStringList(); -} - - -void QAccessibleTableCell::selectCell() -{ - QAbstractItemView::SelectionMode selectionMode = view->selectionMode(); - if (!m_index.isValid() || (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 QAccessibleTableCell::unselectCell() -{ - - QAbstractItemView::SelectionMode selectionMode = view->selectionMode(); - if (!m_index.isValid() || (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 *QAccessibleTableCell::table() const -{ - return QAccessible::queryAccessibleInterface(view); -} - -QAccessible::Role QAccessibleTableCell::role() const -{ - return m_role; -} - -QAccessible::State QAccessibleTableCell::state() const -{ - QAccessible::State 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; - } - if (m_role == QAccessible::TreeItem) { - const QTreeView *treeView = qobject_cast<const QTreeView*>(view); - if (treeView->model()->hasChildren(m_index)) - st.expandable = true; - if (treeView->isExpanded(m_index)) - st.expanded = true; - } - return st; -} - - -QRect QAccessibleTableCell::rect() const -{ - QRect 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 QAccessibleTableCell::text(QAccessible::Text t) const -{ - QAbstractItemModel *model = view->model(); - QString value; - 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 QAccessibleTableCell::setText(QAccessible::Text /*t*/, const QString &text) -{ - if (!(m_index.flags() & Qt::ItemIsEditable)) - return; - view->model()->setData(m_index, text); -} - -bool QAccessibleTableCell::isValid() const -{ - return view && view->model() && m_index.isValid(); -} - -QAccessibleInterface *QAccessibleTableCell::parent() const -{ - return QAccessible::queryAccessibleInterface(view); -} - -QAccessibleInterface *QAccessibleTableCell::child(int) const -{ - return 0; -} - -QAccessibleTableHeaderCell::QAccessibleTableHeaderCell(QAbstractItemView *view_, int index_, Qt::Orientation orientation_) - : view(view_), index(index_), orientation(orientation_) -{ - Q_ASSERT(index_ >= 0); -} - -QAccessible::Role QAccessibleTableHeaderCell::role() const -{ - if (orientation == Qt::Horizontal) - return QAccessible::ColumnHeader; - return QAccessible::RowHeader; -} - -QAccessible::State QAccessibleTableHeaderCell::state() const -{ - QAccessible::State s; - if (QHeaderView *h = headerView()) { - s.invisible = !h->testAttribute(Qt::WA_WState_Visible); - s.disabled = !h->isEnabled(); - } - return s; -} - -QRect QAccessibleTableHeaderCell::rect() const -{ - QHeaderView *header = 0; - if (false) { -#ifndef QT_NO_TABLEVIEW - } else if (const QTableView *tv = qobject_cast<const QTableView*>(view)) { - if (orientation == Qt::Horizontal) { - header = tv->horizontalHeader(); - } else { - header = tv->verticalHeader(); - } -#endif -#ifndef QT_NO_TREEVIEW - } else if (const QTreeView *tv = qobject_cast<const QTreeView*>(view)) { - header = tv->header(); -#endif - } - if (!header) - return QRect(); - QPoint zero = header->mapToGlobal(QPoint(0, 0)); - int sectionSize = header->sectionSize(index); - int sectionPos = header->sectionPosition(index); - return orientation == Qt::Horizontal - ? QRect(zero.x() + sectionPos, zero.y(), sectionSize, header->height()) - : QRect(zero.x(), zero.y() + sectionPos, header->width(), sectionSize); -} - -QString QAccessibleTableHeaderCell::text(QAccessible::Text t) const -{ - QAbstractItemModel *model = view->model(); - QString value; - switch (t) { - case QAccessible::Name: - value = model->headerData(index, orientation, Qt::AccessibleTextRole).toString(); - if (value.isEmpty()) - value = model->headerData(index, orientation, Qt::DisplayRole).toString(); - break; - case QAccessible::Description: - value = model->headerData(index, orientation, Qt::AccessibleDescriptionRole).toString(); - break; - default: - break; - } - return value; -} - -void QAccessibleTableHeaderCell::setText(QAccessible::Text, const QString &) -{ - return; -} - -bool QAccessibleTableHeaderCell::isValid() const -{ - return view && view->model() && (index >= 0) - && ((orientation == Qt::Horizontal) ? (index < view->model()->columnCount()) : (index < view->model()->rowCount())); -} - -QAccessibleInterface *QAccessibleTableHeaderCell::parent() const -{ - return QAccessible::queryAccessibleInterface(view); -} - -QAccessibleInterface *QAccessibleTableHeaderCell::child(int) const -{ - return 0; -} - -QHeaderView *QAccessibleTableHeaderCell::headerView() const -{ - QHeaderView *header = 0; - if (false) { -#ifndef QT_NO_TABLEVIEW - } else if (const QTableView *tv = qobject_cast<const QTableView*>(view)) { - if (orientation == Qt::Horizontal) { - header = tv->horizontalHeader(); - } else { - header = tv->verticalHeader(); - } -#endif -#ifndef QT_NO_TREEVIEW - } else if (const QTreeView *tv = qobject_cast<const QTreeView*>(view)) { - header = tv->header(); -#endif - } - return header; -} - -#endif // QT_NO_ITEMVIEWS - -QT_END_NAMESPACE - -#endif // QT_NO_ACCESSIBILITY |