vasilito
cf12defd28
Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent) Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
121 lines
3.3 KiB
C++
121 lines
3.3 KiB
C++
/*
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SPDX-FileCopyrightText: 2010 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.net>
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SPDX-FileContributor: Stephen Kelly <stephen@kdab.com>
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SPDX-License-Identifier: LGPL-2.0-or-later
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*/
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#include "kviewstatemaintainerbase.h"
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#include <QAbstractItemView>
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#include <QItemSelectionModel>
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#include <QPointer>
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class KViewStateMaintainerBasePrivate
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{
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KViewStateMaintainerBasePrivate(KViewStateMaintainerBase *qq)
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: q_ptr(qq)
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{
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}
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Q_DECLARE_PUBLIC(KViewStateMaintainerBase)
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KViewStateMaintainerBase *const q_ptr;
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void slotModelAboutToBeReset();
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void slotModelReset();
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QPointer<QAbstractItemView> m_view;
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QMetaObject::Connection m_viewModelAboutToBeResetConnection;
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QMetaObject::Connection m_viewModelResetConnection;
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QPointer<QItemSelectionModel> m_selectionModel;
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QMetaObject::Connection m_selectionModelAboutToBeResetConnection;
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QMetaObject::Connection m_selectionModelResetConnection;
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};
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void KViewStateMaintainerBasePrivate::slotModelAboutToBeReset()
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{
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Q_Q(KViewStateMaintainerBase);
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q->saveState();
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}
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void KViewStateMaintainerBasePrivate::slotModelReset()
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{
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Q_Q(KViewStateMaintainerBase);
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q->restoreState();
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}
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KViewStateMaintainerBase::KViewStateMaintainerBase(QObject *parent)
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: QObject(parent)
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, d_ptr(new KViewStateMaintainerBasePrivate(this))
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{
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}
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KViewStateMaintainerBase::~KViewStateMaintainerBase() = default;
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QItemSelectionModel *KViewStateMaintainerBase::selectionModel() const
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{
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Q_D(const KViewStateMaintainerBase);
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if (d->m_selectionModel.isNull()) {
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return nullptr;
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}
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return d->m_selectionModel.data();
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}
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void KViewStateMaintainerBase::setSelectionModel(QItemSelectionModel *selectionModel)
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{
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Q_D(KViewStateMaintainerBase);
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if (selectionModel == d->m_selectionModel) {
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return;
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}
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d->m_selectionModel = selectionModel;
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if (d->m_view && d->m_view->model()) {
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disconnect(d->m_selectionModelAboutToBeResetConnection);
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disconnect(d->m_selectionModelResetConnection);
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}
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d->m_viewModelAboutToBeResetConnection = connect(d->m_selectionModel->model(), &QAbstractItemModel::modelAboutToBeReset, this, [d]() {
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d->slotModelAboutToBeReset();
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});
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d->m_viewModelResetConnection = connect(d->m_selectionModel->model(), &QAbstractItemModel::modelReset, this, [d]() {
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d->slotModelReset();
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});
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}
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QAbstractItemView *KViewStateMaintainerBase::view() const
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{
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Q_D(const KViewStateMaintainerBase);
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if (d->m_view.isNull()) {
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return nullptr;
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}
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return d->m_view.data();
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}
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void KViewStateMaintainerBase::setView(QAbstractItemView *view)
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{
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Q_D(KViewStateMaintainerBase);
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if (view == d->m_view) {
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return;
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}
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d->m_view = view;
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if (d->m_selectionModel && d->m_selectionModel->model()) {
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disconnect(d->m_viewModelAboutToBeResetConnection);
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disconnect(d->m_viewModelResetConnection);
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}
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if (d->m_view && d->m_view->model()) {
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d->m_selectionModelAboutToBeResetConnection = connect(d->m_view->model(), &QAbstractItemModel::modelAboutToBeReset, this, [d]() {
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d->slotModelAboutToBeReset();
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});
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d->m_selectionModelResetConnection = connect(d->m_view->model(), &QAbstractItemModel::modelReset, this, [d]() {
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d->slotModelReset();
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});
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}
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}
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#include "moc_kviewstatemaintainerbase.cpp"
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