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katie/src/plugins/accessible/widgets/itemviews.cpp
Ivailo Monev 58ef830341 copyright update 
Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
2021-01-02 01:59:24 +02:00

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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Copyright (C) 2016-2021 Ivailo Monev
**
** This file is part of the plugins of the Katie Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
**
** GNU Lesser General Public License Usage
** 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.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company 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 "qtreewidget_p.h"
#include "qaccessible2.h"
#include <QDebug>
#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 *QAccessibleTable2::view() const
{
return qobject_cast<QAbstractItemView*>(object());
}
int QAccessibleTable2::logicalIndex(const QModelIndex &index) const
{
if (!view()->model() || !index.isValid())
return -1;
int vHeader = verticalHeader() ? 1 : 0;
int hHeader = horizontalHeader() ? 1 : 0;
// row * number columns + column + 1 for one based counting
return (index.row() + hHeader)*(index.model()->columnCount() + vHeader) + (index.column() + vHeader) + 1;
}
QAccessibleInterface *QAccessibleTable2::childFromLogical(int logicalIndex) const
{
if (!view()->model())
return 0;
logicalIndex--; // one based counting ftw
int vHeader = verticalHeader() ? 1 : 0;
int hHeader = horizontalHeader() ? 1 : 0;
int columns = view()->model()->columnCount() + vHeader;
int row = logicalIndex / columns;
int column = logicalIndex % columns;
if (vHeader) {
if (column == 0) {
if (row == 0) {
return new QAccessibleTable2CornerButton(view());
}
return new QAccessibleTable2HeaderCell(view(), row-1, Qt::Vertical);
}
--column;
}
if (hHeader) {
if (row == 0) {
return new QAccessibleTable2HeaderCell(view(), column, Qt::Horizontal);
}
--row;
}
QModelIndex index = view()->model()->index(row, column, view()->rootIndex());
if (!index.isValid()) {
qWarning() << "QAccessibleTable2::childFromLogical: Invalid index at: " << row << column;
return 0;
}
return new QAccessibleTable2Cell(view(), index, cellRole());
}
QAccessibleTable2::QAccessibleTable2(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;
}
}
QAccessibleTable2::~QAccessibleTable2()
{
}
QHeaderView *QAccessibleTable2::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 *QAccessibleTable2::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;
}
void QAccessibleTable2::modelReset()
{}
void QAccessibleTable2::rowsInserted(const QModelIndex &, int first, int last)
{
lastChange.firstRow = first;
lastChange.lastRow = last;
lastChange.firstColumn = 0;
lastChange.lastColumn = 0;
lastChange.type = QAccessible2::TableModelChangeInsert;
}
void QAccessibleTable2::rowsRemoved(const QModelIndex &, int first, int last)
{
lastChange.firstRow = first;
lastChange.lastRow = last;
lastChange.firstColumn = 0;
lastChange.lastColumn = 0;
lastChange.type = QAccessible2::TableModelChangeDelete;
}
void QAccessibleTable2::columnsInserted(const QModelIndex &, int first, int last)
{
lastChange.firstRow = 0;
lastChange.lastRow = 0;
lastChange.firstColumn = first;
lastChange.lastColumn = last;
lastChange.type = QAccessible2::TableModelChangeInsert;
}
void QAccessibleTable2::columnsRemoved(const QModelIndex &, int first, int last)
{
lastChange.firstRow = 0;
lastChange.lastRow = 0;
lastChange.firstColumn = first;
lastChange.lastColumn = last;
lastChange.type = QAccessible2::TableModelChangeDelete;
}
void QAccessibleTable2::rowsMoved( const QModelIndex &, int, int, const QModelIndex &, int)
{
lastChange.firstRow = 0;
lastChange.lastRow = 0;
lastChange.firstColumn = 0;
lastChange.lastColumn = 0;
lastChange.type = QAccessible2::TableModelChangeUpdate;
}
void QAccessibleTable2::columnsMoved( const QModelIndex &, int, int, const QModelIndex &, int)
{
lastChange.firstRow = 0;
lastChange.lastRow = 0;
lastChange.firstColumn = 0;
lastChange.lastColumn = 0;
lastChange.type = QAccessible2::TableModelChangeUpdate;
}
QAccessibleTable2Cell *QAccessibleTable2::cell(const QModelIndex &index) const
{
if (index.isValid())
return new QAccessibleTable2Cell(view(), index, cellRole());
return 0;
}
QAccessibleTable2CellInterface *QAccessibleTable2::cellAt(int row, int column) const
{
if (!view()->model())
return 0;
Q_ASSERT(role(0) != QAccessible::Tree);
QModelIndex index = view()->model()->index(row, column, view()->rootIndex());
//Q_ASSERT(index.isValid());
if (!index.isValid()) {
qWarning() << "QAccessibleTable2::cellAt: invalid index: " << index << " for " << view();
return 0;
}
return cell(index);
}
QAccessibleInterface *QAccessibleTable2::caption() const
{
return 0;
}
QString QAccessibleTable2::columnDescription(int column) const
{
if (!view()->model())
return QString();
return view()->model()->headerData(column, Qt::Horizontal).toString();
}
int QAccessibleTable2::columnCount() const
{
if (!view()->model())
return 0;
return view()->model()->columnCount();
}
int QAccessibleTable2::rowCount() const
{
if (!view()->model())
return 0;
return view()->model()->rowCount();
}
int QAccessibleTable2::selectedCellCount() const
{
if (!view()->selectionModel())
return 0;
return view()->selectionModel()->selectedIndexes().count();
}
int QAccessibleTable2::selectedColumnCount() const
{
if (!view()->selectionModel())
return 0;
return view()->selectionModel()->selectedColumns().count();
}
int QAccessibleTable2::selectedRowCount() const
{
if (!view()->selectionModel())
return 0;
return view()->selectionModel()->selectedRows().count();
}
QString QAccessibleTable2::rowDescription(int row) const
{
if (!view()->model())
return QString();
return view()->model()->headerData(row, Qt::Vertical).toString();
}
QList<QAccessibleTable2CellInterface*> QAccessibleTable2::selectedCells() const
{
QList<QAccessibleTable2CellInterface*> cells;
if (!view()->selectionModel())
return cells;
Q_FOREACH (const QModelIndex &index, view()->selectionModel()->selectedIndexes()) {
cells.append(cell(index));
}
return cells;
}
QList<int> QAccessibleTable2::selectedColumns() const
{
QList<int> columns;
if (!view()->selectionModel())
return columns;
Q_FOREACH (const QModelIndex &index, view()->selectionModel()->selectedColumns()) {
columns.append(index.column());
}
return columns;
}
QList<int> QAccessibleTable2::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 *QAccessibleTable2::summary() const
{
return 0;
}
bool QAccessibleTable2::isColumnSelected(int column) const
{
if (!view()->selectionModel())
return false;
return view()->selectionModel()->isColumnSelected(column, QModelIndex());
}
bool QAccessibleTable2::isRowSelected(int row) const
{
if (!view()->selectionModel())
return false;
return view()->selectionModel()->isRowSelected(row, QModelIndex());
}
bool QAccessibleTable2::selectRow(int row)
{
if (!view()->model() || !view()->selectionModel())
return false;
QModelIndex index = view()->model()->index(row, 0, view()->rootIndex());
if (!index.isValid() || view()->selectionMode() & QAbstractItemView::NoSelection)
return false;
view()->selectionModel()->select(index, QItemSelectionModel::Select);
return true;
}
bool QAccessibleTable2::selectColumn(int column)
{
if (!view()->model() || !view()->selectionModel())
return false;
QModelIndex index = view()->model()->index(0, column, view()->rootIndex());
if (!index.isValid() || view()->selectionMode() & QAbstractItemView::NoSelection)
return false;
view()->selectionModel()->select(index, QItemSelectionModel::Select);
return true;
}
bool QAccessibleTable2::unselectRow(int row)
{
if (!view()->model() || !view()->selectionModel())
return false;
QModelIndex index = view()->model()->index(row, 0, view()->rootIndex());
if (!index.isValid() || view()->selectionMode() & QAbstractItemView::NoSelection)
return false;
view()->selectionModel()->select(index, QItemSelectionModel::Deselect);
return true;
}
bool QAccessibleTable2::unselectColumn(int column)
{
if (!view()->model() || !view()->selectionModel())
return false;
QModelIndex index = view()->model()->index(0, column, view()->rootIndex());
if (!index.isValid() || view()->selectionMode() & QAbstractItemView::NoSelection)
return false;
view()->selectionModel()->select(index, QItemSelectionModel::Columns | QItemSelectionModel::Deselect);
return true;
}
QAccessible2::TableModelChange QAccessibleTable2::modelChange() const
{
QAccessible2::TableModelChange change;
// FIXME
return change;
}
QAccessible::Role QAccessibleTable2::role(int child) const
{
Q_ASSERT(child >= 0);
if (child > 0)
return QAccessible::Cell;
return m_role;
}
QAccessible::State QAccessibleTable2::state(int child) const
{
Q_ASSERT(child == 0);
return QAccessible::Normal;
}
int QAccessibleTable2::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 logicalIndex(index);
}
return -1;
}
int QAccessibleTable2::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 QAccessibleTable2::indexOfChild(const QAccessibleInterface *iface) const
{
if (!view()->model())
return -1;
Q_ASSERT(iface->role(0) != QAccessible::TreeItem); // should be handled by tree class
if (iface->role(0) == QAccessible::Cell || iface->role(0) == QAccessible::ListItem) {
const QAccessibleTable2Cell* cell = static_cast<const QAccessibleTable2Cell*>(iface);
return logicalIndex(cell->m_index);
} else if (iface->role(0) == QAccessible::ColumnHeader){
const QAccessibleTable2HeaderCell* cell = static_cast<const QAccessibleTable2HeaderCell*>(iface);
return cell->index + (verticalHeader() ? 1 : 0) + 1;
} else if (iface->role(0) == QAccessible::RowHeader){
const QAccessibleTable2HeaderCell* cell = static_cast<const QAccessibleTable2HeaderCell*>(iface);
return (cell->index+1) * (view()->model()->columnCount()+1) + 1;
} else if (iface->role(0) == QAccessible::Pane) {
return 1; // corner button
} else {
qWarning() << "WARNING QAccessibleTable2::indexOfChild Fix my children..."
<< iface->role(0) << iface->text(QAccessible::Name, 0);
}
// FIXME: we are in denial of our children. this should stop.
return -1;
}
QString QAccessibleTable2::text(Text t, int child) const
{
Q_ASSERT(child == 0);
if (t == QAccessible::Description)
return view()->accessibleDescription();
return view()->accessibleName();
}
QRect QAccessibleTable2::rect(int child) const
{
Q_ASSERT(!child);
if (!view()->isVisible())
return QRect();
QPoint pos = view()->mapToGlobal(QPoint(0, 0));
return QRect(pos.x(), pos.y(), view()->width(), view()->height());
}
int QAccessibleTable2::navigate(RelationFlag relation, int index, QAccessibleInterface **iface) const
{
*iface = 0;
if ((index < 0) || (!view()->model()))
return -1;
switch (relation) {
case Ancestor: {
if (index == 1 && view()->parent()) {
*iface = QAccessible::queryAccessibleInterface(view()->parent());
if (*iface)
return 0;
}
break;
}
case QAccessible::Child: {
Q_ASSERT(index > 0);
*iface = childFromLogical(index);
if (*iface) {
return 0;
}
break;
}
default:
break;
}
return -1;
}
QAccessible::Relation QAccessibleTable2::relationTo(int, const QAccessibleInterface *, int) const
{
return QAccessible::Unrelated;
}
#ifndef QT_NO_ACTION
int QAccessibleTable2::userActionCount(int) const
{
return 0;
}
QString QAccessibleTable2::actionText(int, Text, int) const
{
return QString();
}
bool QAccessibleTable2::doAction(int, int, const QVariantList &)
{
return false;
}
#endif
// 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 (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;
}
int QAccessibleTree::childAt(int x, int y) const
{
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 -1;
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 + 1;
Q_ASSERT(i > view()->model()->columnCount());
return 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();
}
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;
if (iface->role(0) == QAccessible::TreeItem) {
const QAccessibleTable2Cell* cell = static_cast<const QAccessibleTable2Cell*>(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 + 1;
//qDebug() << "QAccessibleTree::indexOfChild r " << row << " c " << column << "index " << index;
Q_ASSERT(index > treeView->model()->columnCount());
return index;
} else if (iface->role(0) == QAccessible::ColumnHeader){
const QAccessibleTable2HeaderCell* cell = static_cast<const QAccessibleTable2HeaderCell*>(iface);
//qDebug() << "QAccessibleTree::indexOfChild header " << cell->index << "is: " << cell->index + 1;
return cell->index + 1;
} else {
qWarning() << "WARNING QAccessibleTable2::indexOfChild invalid child"
<< iface->role(0) << iface->text(QAccessible::Name, 0);
}
// FIXME: add scrollbars and don't just ignore them
return -1;
}
int QAccessibleTree::navigate(RelationFlag relation, int index, QAccessibleInterface **iface) const
{
*iface = 0;
if ((index < 0) || (!view()->model()))
return -1;
switch (relation) {
case QAccessible::Child: {
Q_ASSERT(index > 0);
--index;
int hHeader = horizontalHeader() ? 1 : 0;
if (hHeader) {
if (index < view()->model()->columnCount()) {
*iface = new QAccessibleTable2HeaderCell(view(), index, Qt::Horizontal);
return 0;
} else {
index -= view()->model()->columnCount();
}
}
int row = index / view()->model()->columnCount();
int column = index % view()->model()->columnCount();
QModelIndex modelIndex = indexFromLogical(row, column);
if (modelIndex.isValid()) {
*iface = cell(modelIndex);
return 0;
}
return -1;
}
default:
break;
}
// handle everything except child
return QAccessibleTable2::navigate(relation, index, iface);
}
QAccessible::Relation QAccessibleTree::relationTo(int, const QAccessibleInterface *, int) const
{
return QAccessible::Unrelated;
}
QAccessibleTable2CellInterface *QAccessibleTree::cellAt(int row, int column) const
{
QModelIndex index = indexFromLogical(row, column);
if (!index.isValid()) {
qWarning() << "Requested invalid tree cell: " << row << column;
return 0;
}
return new QAccessibleTable2Cell(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()->selectionMode() & QAbstractItemView::NoSelection)
return false;
view()->selectionModel()->select(index, QItemSelectionModel::Select);
return true;
}
// TABLE CELL
QAccessibleTable2Cell::QAccessibleTable2Cell(QAbstractItemView *view_, const QModelIndex &index_, QAccessible::Role role_)
: /* QAccessibleSimpleEditableTextInterface(this), */ view(view_), m_index(index_), m_role(role_)
{
Q_ASSERT(index_.isValid());
}
int QAccessibleTable2Cell::columnExtent() const { return 1; }
int QAccessibleTable2Cell::rowExtent() const { return 1; }
QList<QAccessibleInterface*> QAccessibleTable2Cell::rowHeaderCells() const
{
QList<QAccessibleInterface*> headerCell;
if (verticalHeader()) {
headerCell.append(new QAccessibleTable2HeaderCell(view, m_index.row(), Qt::Vertical));
}
return headerCell;
}
QList<QAccessibleInterface*> QAccessibleTable2Cell::columnHeaderCells() const
{
QList<QAccessibleInterface*> headerCell;
if (horizontalHeader()) {
headerCell.append(new QAccessibleTable2HeaderCell(view, m_index.column(), Qt::Horizontal));
}
return headerCell;
}
QHeaderView *QAccessibleTable2Cell::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 *QAccessibleTable2Cell::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 QAccessibleTable2Cell::columnIndex() const
{
return m_index.column();
}
int QAccessibleTable2Cell::rowIndex() const
{
if (role(0) == 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 QAccessibleTable2Cell::isSelected() const
{
return view->selectionModel()->isSelected(m_index);
}
void QAccessibleTable2Cell::rowColumnExtents(int *row, int *column, int *rowExtents, int *columnExtents, bool *selected) const
{
*row = m_index.row();
*column = m_index.column();
*rowExtents = 1;
*columnExtents = 1;
*selected = isSelected();
}
QAccessibleTable2Interface* QAccessibleTable2Cell::table() const
{
return QAccessible::queryAccessibleInterface(view)->table2Interface();
}
QAccessible::Role QAccessibleTable2Cell::role(int child) const
{
Q_ASSERT(child == 0);
return m_role;
}
QAccessible::State QAccessibleTable2Cell::state(int child) const
{
Q_ASSERT(child == 0);
State st = Normal;
QRect globalRect = view->rect();
globalRect.translate(view->mapToGlobal(QPoint(0,0)));
if (!globalRect.intersects(rect(0)))
st |= Invisible;
if (view->selectionModel()->isSelected(m_index))
st |= Selected;
if (view->selectionModel()->currentIndex() == m_index)
st |= Focused;
if (m_index.model()->data(m_index, Qt::CheckStateRole).toInt() == Qt::Checked)
st |= Checked;
Qt::ItemFlags flags = m_index.flags();
if (flags & Qt::ItemIsSelectable) {
st |= Selectable;
st |= Focusable;
if (view->selectionMode() == QAbstractItemView::MultiSelection)
st |= MultiSelectable;
if (view->selectionMode() == QAbstractItemView::ExtendedSelection)
st |= ExtSelectable;
}
if (m_role == QAccessible::TreeItem) {
const QTreeView *treeView = qobject_cast<const QTreeView*>(view);
if (treeView->isExpanded(m_index))
st |= Expanded;
}
return st;
}
bool QAccessibleTable2Cell::isExpandable() const
{
return view->model()->hasChildren(m_index);
}
QRect QAccessibleTable2Cell::rect(int child) const
{
Q_ASSERT(child == 0);
QRect 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 QAccessibleTable2Cell::text(Text t, int child) const
{
Q_ASSERT(child == 0);
QAbstractItemModel *model = view->model();
QString value;
switch (t) {
case QAccessible::Value:
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 QAccessibleTable2Cell::setText(Text /*t*/, int child, const QString &text)
{
Q_ASSERT(child == 0);
if (!(m_index.flags() & Qt::ItemIsEditable))
return;
view->model()->setData(m_index, text);
}
bool QAccessibleTable2Cell::isValid() const
{
return view && view->model() && m_index.isValid();
}
int QAccessibleTable2Cell::navigate(RelationFlag relation, int index, QAccessibleInterface **iface) const
{
if (relation == Ancestor && index == 1) {
if (m_role == QAccessible::TreeItem) {
*iface = new QAccessibleTree(view);
} else {
*iface = new QAccessibleTable2(view);
}
return 0;
}
*iface = 0;
if (!view)
return -1;
switch (relation) {
case Child: {
return -1;
}
case Sibling:
if (index > 0) {
QAccessibleInterface *parent = queryAccessibleInterface(view);
int ret = parent->navigate(QAccessible::Child, index, iface);
delete parent;
if (*iface)
return ret;
}
return -1;
// From table1 implementation:
// 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 = cell(idx);
// return index ? kids.indexOf(idx) + 1 : 0; }
default:
break;
}
return -1;
}
QAccessible::Relation QAccessibleTable2Cell::relationTo(int child, const QAccessibleInterface *other, int otherChild) const
{
Q_ASSERT(child == 0);
Q_ASSERT(otherChild == 0);
// we only check for parent-child relationships in trees
if (m_role == QAccessible::TreeItem && other->role(0) == QAccessible::TreeItem) {
QModelIndex otherIndex = static_cast<const QAccessibleTable2Cell*>(other)->m_index;
// is the other our parent?
if (otherIndex.parent() == m_index)
return QAccessible::Ancestor;
// are we the other's child?
if (m_index.parent() == otherIndex)
return QAccessible::Child;
}
return QAccessible::Unrelated;
}
#ifndef QT_NO_ACTION
int QAccessibleTable2Cell::userActionCount(int) const
{
return 0;
}
QString QAccessibleTable2Cell::actionText(int, Text, int) const
{
return QString();
}
bool QAccessibleTable2Cell::doAction(int, int, const QVariantList &)
{
return false;
}
QAccessibleTable2HeaderCell::QAccessibleTable2HeaderCell(QAbstractItemView *view_, int index_, Qt::Orientation orientation_)
: view(view_), index(index_), orientation(orientation_)
{
Q_ASSERT(index_ >= 0);
}
QAccessible::Role QAccessibleTable2HeaderCell::role(int child) const
{
Q_ASSERT(child == 0);
if (orientation == Qt::Horizontal)
return QAccessible::ColumnHeader;
return QAccessible::RowHeader;
}
QAccessible::State QAccessibleTable2HeaderCell::state(int child) const
{
Q_ASSERT(child == 0);
return QAccessible::Normal;
}
QRect QAccessibleTable2HeaderCell::rect(int child) const
{
Q_ASSERT(child == 0);
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 QAccessibleTable2HeaderCell::text(Text t, int child) const
{
Q_ASSERT(child == 0);
QAbstractItemModel *model = view->model();
QString value;
switch (t) {
case QAccessible::Value:
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 QAccessibleTable2HeaderCell::setText(Text, int, const QString &)
{
return;
}
bool QAccessibleTable2HeaderCell::isValid() const
{
return view && view->model() && (index >= 0)
&& ((orientation == Qt::Horizontal) ? (index < view->model()->columnCount()) : (index < view->model()->rowCount()));
}
int QAccessibleTable2HeaderCell::navigate(RelationFlag relation, int index, QAccessibleInterface **iface) const
{
if (relation == QAccessible::Ancestor && index == 1) {
if (false) {
#ifndef QT_NO_TREEVIEW
} else if (qobject_cast<const QTreeView*>(view)) {
*iface = new QAccessibleTree(view);
return 0;
#endif
} else {
*iface = new QAccessibleTable2(view);
return 0;
}
}
*iface = 0;
return -1;
}
QAccessible::Relation QAccessibleTable2HeaderCell::relationTo(int, const QAccessibleInterface *, int) const
{
return QAccessible::Unrelated;
}
#ifndef QT_NO_ACTION
int QAccessibleTable2HeaderCell::userActionCount(int) const
{
return 0;
}
QString QAccessibleTable2HeaderCell::actionText(int, Text, int) const
{
return QString();
}
bool QAccessibleTable2HeaderCell::doAction(int, int, const QVariantList &)
{
return false;
}
#endif
#endif
#endif // QT_NO_ITEMVIEWS
QT_END_NAMESPACE
#endif // QT_NO_ACCESSIBILITY
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