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Diffstat (limited to 'src/quicktemplates2/qquickheaderview.cpp')
| -rw-r--r-- | src/quicktemplates2/qquickheaderview.cpp | 520 |
1 files changed, 0 insertions, 520 deletions
diff --git a/src/quicktemplates2/qquickheaderview.cpp b/src/quicktemplates2/qquickheaderview.cpp deleted file mode 100644 index 8671ac63..00000000 --- a/src/quicktemplates2/qquickheaderview.cpp +++ /dev/null @@ -1,520 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2020 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtQuick module 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 The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/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 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include <QtQuickTemplates2/private/qquickheaderview_p_p.h> -#include <algorithm> - -/*! - \qmltype HorizontalHeaderView - \inqmlmodule QtQuick.Controls - \ingroup qtquickcontrols2-containers - \inherits TableView - \brief Provides a horizontal header view to accompany a \l TableView. - - A HorizontalHeaderView provides labeling of the columns of a \l TableView. - To add a horizontal header to a TableView, bind the - \l {HorizontalHeaderView::syncView} {syncView} property to the TableView: - - \snippet qtquickcontrols2-headerview-simple.qml horizontal - - The header displays data from the {syncView}'s model by default, but can - also have its own model. If the model is a QAbstractTableModel, then - the header will display the model's horizontal headerData(); otherwise, - the model's data(). -*/ - -/*! - \qmltype VerticalHeaderView - \inqmlmodule QtQuick.Controls - \ingroup qtquickcontrols2-containers - \inherits TableView - \brief Provides a vertical header view to accompany a \l TableView. - - A VerticalHeaderView provides labeling of the rows of a \l TableView. - To add a vertical header to a TableView, bind the - \l {VerticalHeaderView::syncView} {syncView} property to the TableView: - - \snippet qtquickcontrols2-headerview-simple.qml vertical - - The header displays data from the {syncView}'s model by default, but can - also have its own model. If the model is a QAbstractTableModel, then - the header will display the model's vertical headerData(); otherwise, - the model's data(). -*/ - -/*! - \qmlproperty TableView QtQuick::HorizontalHeaderView::syncView - - This property holds the TableView to synchronize with. - - Once this property is bound to another TableView, both header and table - will synchronize with regard to column widths, column spacing, and flicking - horizontally. - - If the \l model is not explicitly set, then the header will use the syncView's - model to label the columns. - - \sa model TableView -*/ - -/*! - \qmlproperty TableView QtQuick::VerticalHeaderView::syncView - - This property holds the TableView to synchronize with. - - Once this property is bound to another TableView, both header and table - will synchronize with regard to row heights, row spacing, and flicking - vertically. - - If the \l model is not explicitly set, then the header will use the syncView's - model to label the rows. - - \sa model TableView -*/ - -/*! - \qmlproperty QVariant QtQuick::HorizontalHeaderView::model - - This property holds the model providing data for the horizontal header view. - - When model is not explicitly set, the header will use the syncView's - model once syncView is set. - - If model is a QAbstractTableModel, its horizontal headerData() will - be accessed. - - If model is a QAbstractItemModel other than QAbstractTableModel, model's data() - will be accessed. - - Otherwise, the behavior is same as setting TableView::model. - - \sa TableView {TableView::model} {model} QAbstractTableModel -*/ - -/*! - \qmlproperty QVariant QtQuick::VerticalHeaderView::model - - This property holds the model providing data for the vertical header view. - - When model is not explicitly set, it will be synchronized with syncView's model - once syncView is set. - - If model is a QAbstractTableModel, its vertical headerData() will - be accessed. - - If model is a QAbstractItemModel other than QAbstractTableModel, model's data() - will be accessed. - - Otherwise, the behavior is same as setting TableView::model. - - \sa TableView {TableView::model} {model} QAbstractTableModel -*/ - -/*! - \qmlproperty QString QtQuick::HorizontalHeaderView::textRole - - This property holds the model role used to display text in each header cell. - - When the model has multiple roles, textRole can be set to determine which - role should be displayed. - - If model is a QAbstractItemModel then it will default to "display"; otherwise - it is empty. - - \sa QAbstractItemModel::roleNames() -*/ - -/*! - \qmlproperty QString QtQuick::VerticalHeaderView::textRole - - This property holds the model role used to display text in each header cell. - - When the model has multiple roles, textRole can be set to determine which - role should be displayed. - - If model is a QAbstractItemModel then it will default to "display"; otherwise - it is empty. - - \sa QAbstractItemModel::roleNames() -*/ - -QT_BEGIN_NAMESPACE - -QQuickHeaderViewBasePrivate::QQuickHeaderViewBasePrivate() - : QQuickTableViewPrivate() -{ -} - -QQuickHeaderViewBasePrivate::~QQuickHeaderViewBasePrivate() -{ -} - -const QPointer<QQuickItem> QQuickHeaderViewBasePrivate::delegateItemAt(int row, int col) const -{ - return loadedTableItem(QPoint(col, row))->item; -} - -QVariant QQuickHeaderViewBasePrivate::modelImpl() const -{ - if (auto model = m_headerDataProxyModel.sourceModel()) - return QVariant::fromValue(model.data()); - if (auto model = m_transposeProxyModel.sourceModel()) - return QVariant::fromValue(model); - return QQuickTableViewPrivate::modelImpl(); -} - -template <typename P, typename M> -inline bool proxyModelSetter(QQuickHeaderViewBase *const q, P &proxyModel, M *model) -{ - if (model) { - if (model == proxyModel.sourceModel()) - return true; - proxyModel.setSourceModel(model); - const auto &modelVariant = QVariant::fromValue(std::addressof(proxyModel)); - bool isProxyModelChanged = (modelVariant != QQuickTableViewPrivate::get(q)->QQuickTableViewPrivate::modelImpl()); - QQuickTableViewPrivate::get(q)->QQuickTableViewPrivate::setModelImpl(modelVariant); - //Necessary, since TableView's assigned model not changed, but proxy's source changed - if (!isProxyModelChanged) - emit q->modelChanged(); - return true; - } - proxyModel.setSourceModel(nullptr); - return false; -} - -void QQuickHeaderViewBasePrivate::setModelImpl(const QVariant &newModel) -{ - Q_Q(QQuickHeaderViewBase); - m_modelExplicitlySetByUser = true; - // Case 1: newModel is QAbstractTableModel - if (proxyModelSetter(q, m_headerDataProxyModel, newModel.value<QAbstractTableModel *>())) - return; - // Case 2: newModel is QAbstractItemModel but not QAbstractTableModel - if (orientation() == Qt::Horizontal - && proxyModelSetter(q, m_transposeProxyModel, newModel.value<QAbstractItemModel *>())) - return; - - QQuickTableViewPrivate::setModelImpl(newModel); -} - -void QQuickHeaderViewBasePrivate::syncModel() -{ - Q_Q(QQuickHeaderViewBase); - - if (assignedSyncView && !m_modelExplicitlySetByUser) { - auto newModel = assignedSyncView->model(); - if (auto m = newModel.value<QAbstractItemModel *>()) - proxyModelSetter(q, m_headerDataProxyModel, m); - } - - QQuickTableViewPrivate::syncModel(); - - isTransposed = false; - const auto aim = model->abstractItemModel(); - if (orientation() == Qt::Horizontal) { - // For models that are just a list or a number, and especially not a - // table, we transpose the view when the orientation is horizontal. - // The model (list) will then be laid out horizontally rather than - // vertically, which is the otherwise the default. - isTransposed = !aim || aim->columnCount() == 1; - } - if (m_textRole.isEmpty() && aim) - m_textRole = QLatin1String("display"); -} - -void QQuickHeaderViewBasePrivate::syncSyncView() -{ - Q_Q(QQuickHeaderViewBase); - if (assignedSyncDirection != orientation()) { - qmlWarning(q_func()) << "Setting syncDirection other than Qt::" - << QVariant::fromValue(orientation()).toString() - << " is invalid."; - assignedSyncDirection = orientation(); - } - if (assignedSyncView) { - QBoolBlocker fixupGuard(inUpdateContentSize, true); - if (orientation() == Qt::Horizontal) { - q->setLeftMargin(assignedSyncView->leftMargin()); - q->setRightMargin(assignedSyncView->rightMargin()); - } else { - q->setTopMargin(assignedSyncView->topMargin()); - q->setBottomMargin(assignedSyncView->bottomMargin()); - } - } - QQuickTableViewPrivate::syncSyncView(); -} - -QQuickHeaderViewBase::QQuickHeaderViewBase(Qt::Orientation orient, QQuickItem *parent) - : QQuickTableView(*(new QQuickHeaderViewBasePrivate), parent) -{ - d_func()->setOrientation(orient); - setSyncDirection(orient); -} - -QQuickHeaderViewBase::QQuickHeaderViewBase(QQuickHeaderViewBasePrivate &dd, QQuickItem *parent) - : QQuickTableView(dd, parent) -{ -} - -QQuickHeaderViewBase::~QQuickHeaderViewBase() -{ -} - -QString QQuickHeaderViewBase::textRole() const -{ - Q_D(const QQuickHeaderViewBase); - return d->m_textRole; -} - -void QQuickHeaderViewBase::setTextRole(const QString &role) -{ - Q_D(QQuickHeaderViewBase); - if (d->m_textRole == role) - return; - - d->m_textRole = role; - emit textRoleChanged(); -} - -Qt::Orientation QQuickHeaderViewBasePrivate::orientation() const -{ - return m_headerDataProxyModel.orientation(); -} - -void QQuickHeaderViewBasePrivate::setOrientation(Qt::Orientation orientation) -{ - if (QQuickHeaderViewBasePrivate::orientation() == orientation) - return; - m_headerDataProxyModel.setOrientation(orientation); -} - -QQuickVerticalHeaderView::QQuickVerticalHeaderView(QQuickVerticalHeaderViewPrivate &dd, QQuickItem *parent) - : QQuickHeaderViewBase(dd, parent) -{ -} - -/*! \internal - \class QHeaderDataProxyModel - \brief - QHeaderDataProxyModel is a proxy AbstractItemModel type that maps - source model's headerData() to correspondent data() - */ -QHeaderDataProxyModel::QHeaderDataProxyModel(QObject *parent) - : QAbstractItemModel(parent) -{ -} - -QHeaderDataProxyModel::~QHeaderDataProxyModel() = default; - -void QHeaderDataProxyModel::setSourceModel(QAbstractItemModel *newSourceModel) -{ - if (m_model == newSourceModel) - return; - beginResetModel(); - disconnectFromModel(); - m_model = newSourceModel; - connectToModel(); - endResetModel(); -} - -QModelIndex QHeaderDataProxyModel::index(int row, int column, const QModelIndex &parent) const -{ - return hasIndex(row, column, parent) ? createIndex(row, column) : QModelIndex(); -} - -QModelIndex QHeaderDataProxyModel::parent(const QModelIndex &child) const -{ - Q_UNUSED(child); - return QModelIndex(); -} - -QModelIndex QHeaderDataProxyModel::sibling(int row, int column, const QModelIndex &) const -{ - return index(row, column); -} - -int QHeaderDataProxyModel::rowCount(const QModelIndex &parent) const -{ - if (parent.isValid()) - return 0; - return m_model.isNull() ? -1 : (m_orientation == Qt::Horizontal ? 1 : m_model->rowCount(parent)); -} - -int QHeaderDataProxyModel::columnCount(const QModelIndex &parent) const -{ - if (parent.isValid()) - return 0; - return m_model.isNull() ? -1 : (m_orientation == Qt::Vertical ? 1 : m_model->columnCount(parent)); -} - -QVariant QHeaderDataProxyModel::data(const QModelIndex &index, int role) const -{ - if (m_model.isNull()) - return QVariant(); - if (!hasIndex(index.row(), index.column())) - return QModelIndex(); - auto section = m_orientation == Qt::Vertical ? index.row() : index.column(); - return m_model->headerData(section, m_orientation, role); -} - -bool QHeaderDataProxyModel::setData(const QModelIndex &index, const QVariant &value, int role) -{ - if (!hasIndex(index.row(), index.column())) - return false; - auto section = m_orientation == Qt::Vertical ? index.row() : index.column(); - auto ret = m_model->setHeaderData(section, m_orientation, value, role); - emit dataChanged(index, index, { role }); - return ret; -} - -bool QHeaderDataProxyModel::hasChildren(const QModelIndex &parent) const -{ - if (!parent.isValid()) - return rowCount(parent) > 0 && columnCount(parent) > 0; - return false; -} - -QVariant QHeaderDataProxyModel::variantValue() const -{ - return QVariant::fromValue(static_cast<QObject *>(const_cast<QHeaderDataProxyModel *>(this))); -} - -void QHeaderDataProxyModel::setOrientation(Qt::Orientation o) -{ - if (o == m_orientation) - return; - beginResetModel(); - m_orientation = o; - endResetModel(); -} - -Qt::Orientation QHeaderDataProxyModel::orientation() const -{ - return m_orientation; -} - -QPointer<QAbstractItemModel> QHeaderDataProxyModel::sourceModel() const -{ - return m_model; -} - -void QHeaderDataProxyModel::connectToModel() -{ - if (m_model.isNull()) - return; - connect(m_model, &QAbstractItemModel::headerDataChanged, - [this](Qt::Orientation orient, int first, int last) { - if (orient != orientation()) - return; - if (orient == Qt::Horizontal) { - emit dataChanged(createIndex(0, first), createIndex(0, last)); - } else { - emit dataChanged(createIndex(first, 0), createIndex(last, 0)); - } - }); - connect(m_model, &QAbstractItemModel::modelAboutToBeReset, - this, &QHeaderDataProxyModel::modelAboutToBeReset, Qt::UniqueConnection); - connect(m_model, &QAbstractItemModel::modelReset, - this, &QHeaderDataProxyModel::modelReset, Qt::UniqueConnection); - connect(m_model, &QAbstractItemModel::rowsAboutToBeMoved, - this, &QHeaderDataProxyModel::rowsAboutToBeMoved, Qt::UniqueConnection); - connect(m_model, &QAbstractItemModel::rowsMoved, - this, &QHeaderDataProxyModel::rowsMoved, Qt::UniqueConnection); - connect(m_model, &QAbstractItemModel::rowsAboutToBeInserted, - this, &QHeaderDataProxyModel::rowsAboutToBeInserted, Qt::UniqueConnection); - connect(m_model, &QAbstractItemModel::rowsInserted, - this, &QHeaderDataProxyModel::rowsInserted, Qt::UniqueConnection); - connect(m_model, &QAbstractItemModel::rowsAboutToBeRemoved, - this, &QHeaderDataProxyModel::rowsAboutToBeRemoved, Qt::UniqueConnection); - connect(m_model, &QAbstractItemModel::rowsRemoved, - this, &QHeaderDataProxyModel::rowsRemoved, Qt::UniqueConnection); - connect(m_model, &QAbstractItemModel::columnsAboutToBeMoved, - this, &QHeaderDataProxyModel::columnsAboutToBeMoved, Qt::UniqueConnection); - connect(m_model, &QAbstractItemModel::columnsMoved, - this, &QHeaderDataProxyModel::columnsMoved, Qt::UniqueConnection); - connect(m_model, &QAbstractItemModel::columnsAboutToBeInserted, - this, &QHeaderDataProxyModel::columnsAboutToBeInserted, Qt::UniqueConnection); - connect(m_model, &QAbstractItemModel::columnsInserted, - this, &QHeaderDataProxyModel::columnsInserted, Qt::UniqueConnection); - connect(m_model, &QAbstractItemModel::columnsAboutToBeRemoved, - this, &QHeaderDataProxyModel::columnsAboutToBeRemoved, Qt::UniqueConnection); - connect(m_model, &QAbstractItemModel::columnsRemoved, - this, &QHeaderDataProxyModel::columnsRemoved, Qt::UniqueConnection); - connect(m_model, &QAbstractItemModel::layoutAboutToBeChanged, - this, &QHeaderDataProxyModel::layoutAboutToBeChanged, Qt::UniqueConnection); - connect(m_model, &QAbstractItemModel::layoutChanged, - this, &QHeaderDataProxyModel::layoutChanged, Qt::UniqueConnection); -} - -void QHeaderDataProxyModel::disconnectFromModel() -{ - if (m_model.isNull()) - return; - m_model->disconnect(this); -} - -QQuickHorizontalHeaderView::QQuickHorizontalHeaderView(QQuickItem *parent) - : QQuickHeaderViewBase(Qt::Horizontal, parent) -{ - setFlickableDirection(FlickableDirection::HorizontalFlick); -} - -QQuickHorizontalHeaderView::~QQuickHorizontalHeaderView() -{ -} - -QQuickVerticalHeaderView::QQuickVerticalHeaderView(QQuickItem *parent) - : QQuickHeaderViewBase(Qt::Vertical, parent) -{ - setFlickableDirection(FlickableDirection::VerticalFlick); -} - -QQuickVerticalHeaderView::~QQuickVerticalHeaderView() -{ -} - -QQuickHorizontalHeaderViewPrivate::QQuickHorizontalHeaderViewPrivate() = default; - -QQuickHorizontalHeaderViewPrivate::~QQuickHorizontalHeaderViewPrivate() = default; - -QQuickVerticalHeaderViewPrivate::QQuickVerticalHeaderViewPrivate() = default; - -QQuickVerticalHeaderViewPrivate::~QQuickVerticalHeaderViewPrivate() = default; - -QT_END_NAMESPACE |