Advance Wayland and KDE package bring-up
Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent) Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
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/*
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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 "breadcrumbnavigationwidget.h"
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#include "dynamictreemodel.h"
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#include "dynamictreewidget.h"
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#include <QHBoxLayout>
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#include <QListView>
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#include <QSplitter>
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#include <QTreeView>
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#include "kbreadcrumbselectionmodel.h"
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#include "kselectionproxymodel.h"
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#define SON(object) object->setObjectName(QStringLiteral(#object))
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CurrentItemLabel::CurrentItemLabel(QAbstractItemModel *model, QWidget *parent, Qt::WindowFlags f)
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: QLabel(parent, f)
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, m_model(model)
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{
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connect(model, SIGNAL(dataChanged(QModelIndex, QModelIndex)), SLOT(dataChanged(QModelIndex, QModelIndex)));
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connect(model, SIGNAL(rowsInserted(QModelIndex, int, int)), SLOT(rowsInserted(QModelIndex, int, int)));
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connect(model, SIGNAL(rowsRemoved(QModelIndex, int, int)), SLOT(rowsRemoved(QModelIndex, int, int)));
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connect(model, SIGNAL(modelReset()), SLOT(modelReset()));
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if (!m_model->hasChildren()) {
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setText(QStringLiteral("No selection"));
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}
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}
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void CurrentItemLabel::dataChanged(const QModelIndex &, const QModelIndex &)
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{
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setText(m_model->index(0, 0).data().toString());
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}
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void CurrentItemLabel::rowsInserted(const QModelIndex &, int, int)
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{
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setText(m_model->index(0, 0).data().toString());
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}
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void CurrentItemLabel::rowsRemoved(const QModelIndex &, int, int)
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{
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if (!m_model->hasChildren()) {
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setText(QStringLiteral("No selection"));
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return;
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}
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setText(m_model->index(0, 0).data().toString());
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}
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void CurrentItemLabel::modelReset()
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{
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if (!m_model->hasChildren()) {
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setText(QStringLiteral("No selection"));
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}
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setText(m_model->index(0, 0).data().toString());
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}
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KBreadcrumbNavigationProxyModel::KBreadcrumbNavigationProxyModel(QItemSelectionModel *selectionModel, QObject *parent)
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: KSelectionProxyModel(selectionModel, parent)
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{
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}
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QVariant KBreadcrumbNavigationProxyModel::data(const QModelIndex &index, int role) const
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{
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if (rowCount() > 2 && index.row() == 0 && role == Qt::DisplayRole) {
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QModelIndex sourceIndex = mapToSource(index);
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QStringList dataList;
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while (sourceIndex.isValid()) {
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dataList.prepend(sourceIndex.data().toString());
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sourceIndex = sourceIndex.parent();
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}
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return dataList.join(QLatin1String(" > "));
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}
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return KSelectionProxyModel::data(index, role);
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}
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void KBreadcrumbNavigationProxyModel::setShowHiddenAscendantData(bool showHiddenAscendantData)
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{
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m_showHiddenAscendantData = showHiddenAscendantData;
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}
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bool KBreadcrumbNavigationProxyModel::showHiddenAscendantData() const
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{
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return m_showHiddenAscendantData;
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}
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KNavigatingProxyModel::KNavigatingProxyModel(QItemSelectionModel *selectionModel, QObject *parent)
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: KSelectionProxyModel(selectionModel, parent)
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, m_selectionModel(selectionModel)
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{
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}
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void KNavigatingProxyModel::setSourceModel(QAbstractItemModel *sourceModel)
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{
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connect(m_selectionModel, SIGNAL(selectionChanged(QItemSelection, QItemSelection)), SLOT(navigationSelectionChanged(QItemSelection, QItemSelection)));
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KSelectionProxyModel::setSourceModel(sourceModel);
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updateNavigation();
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}
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void KNavigatingProxyModel::navigationSelectionChanged(const QItemSelection &, const QItemSelection &)
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{
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updateNavigation();
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}
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void KNavigatingProxyModel::updateNavigation()
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{
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if (!sourceModel()) {
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return;
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}
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if (m_selectionModel->selection().isEmpty()) {
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setFilterBehavior(KSelectionProxyModel::ExactSelection);
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QModelIndex top = sourceModel()->index(0, 0);
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QModelIndex bottom = sourceModel()->index(sourceModel()->rowCount() - 1, 0);
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disconnect(m_selectionModel,
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SIGNAL(selectionChanged(QItemSelection, QItemSelection)),
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this,
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SLOT(navigationSelectionChanged(QItemSelection, QItemSelection)));
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m_selectionModel->select(QItemSelection(top, bottom), QItemSelectionModel::Select);
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connect(m_selectionModel, SIGNAL(selectionChanged(QItemSelection, QItemSelection)), SLOT(navigationSelectionChanged(QItemSelection, QItemSelection)));
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} else if (filterBehavior() != KSelectionProxyModel::ChildrenOfExactSelection) {
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setFilterBehavior(KSelectionProxyModel::ChildrenOfExactSelection);
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}
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}
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void KNavigatingProxyModel::modelReset()
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{
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updateNavigation();
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}
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QVariant KNavigatingProxyModel::data(const QModelIndex &index, int role) const
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{
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if (role == Qt::DisplayRole && sourceModel()->hasChildren(mapToSource(index))) {
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return QString("+ " + KSelectionProxyModel::data(index, role).toString());
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}
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return KSelectionProxyModel::data(index, role);
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}
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KForwardingItemSelectionModel::KForwardingItemSelectionModel(QAbstractItemModel *model, QItemSelectionModel *selectionModel, QObject *parent)
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: QItemSelectionModel(model, parent)
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, m_selectionModel(selectionModel)
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, m_direction(Forward)
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{
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Q_ASSERT(model == selectionModel->model());
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connect(selectionModel, SIGNAL(selectionChanged(QItemSelection, QItemSelection)), SLOT(navigationSelectionChanged(QItemSelection, QItemSelection)));
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}
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KForwardingItemSelectionModel::KForwardingItemSelectionModel(QAbstractItemModel *model,
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QItemSelectionModel *selectionModel,
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Direction direction,
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QObject *parent)
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: QItemSelectionModel(model, parent)
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, m_selectionModel(selectionModel)
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, m_direction(direction)
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{
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Q_ASSERT(model == selectionModel->model());
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if (m_direction == Forward) {
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connect(selectionModel, SIGNAL(selectionChanged(QItemSelection, QItemSelection)), SLOT(navigationSelectionChanged(QItemSelection, QItemSelection)));
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}
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}
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void KForwardingItemSelectionModel::select(const QModelIndex &index, QItemSelectionModel::SelectionFlags command)
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{
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if (m_direction == Reverse) {
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m_selectionModel->select(index, command);
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} else {
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QItemSelectionModel::select(index, command);
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}
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}
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void KForwardingItemSelectionModel::select(const QItemSelection &selection, QItemSelectionModel::SelectionFlags command)
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{
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if (m_direction == Reverse) {
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m_selectionModel->select(selection, command);
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} else {
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QItemSelectionModel::select(selection, command);
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}
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}
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void KForwardingItemSelectionModel::navigationSelectionChanged(const QItemSelection &selected, const QItemSelection &)
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{
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select(selected, ClearAndSelect);
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}
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BreadcrumbNavigationWidget::BreadcrumbNavigationWidget(QWidget *parent, Qt::WindowFlags f)
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: QWidget(parent, f)
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{
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DynamicTreeModel *rootModel = new DynamicTreeModel(this);
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QSplitter *splitter = new QSplitter(this);
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QHBoxLayout *layout = new QHBoxLayout(this);
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layout->addWidget(splitter);
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DynamicTreeWidget *dynamicTree = new DynamicTreeWidget(rootModel, splitter);
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dynamicTree->treeView()->setSelectionMode(QAbstractItemView::SingleSelection);
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dynamicTree->setInitialTree(
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QLatin1String("- 1"
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"- - 2"
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"- - 2"
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"- - - 3"
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"- - - - 4"
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"- - - - - 5"
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"- - 2"
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"- 6"
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"- 6"
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"- 6"
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"- - 7"
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"- - - 8"
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"- - - 8"
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"- - - - 9"
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"- - - - - 10"
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"- - - 8"
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"- - - 8"
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"- - 8"
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"- 16"
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"- - 17"
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"- - - 18"
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"- - - - 19"
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"- - - - - 20"));
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QList<QItemSelectionModel *> selectionModelList;
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QSplitter *vSplitter = new QSplitter(Qt::Vertical, splitter);
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QItemSelectionModel *rootSelectionModel = new QItemSelectionModel(rootModel, this);
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SON(rootSelectionModel);
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dynamicTree->treeView()->setSelectionModel(rootSelectionModel);
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KBreadcrumbSelectionModel *breadcrumbOnlyProxySelector2 =
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new KBreadcrumbSelectionModel(rootSelectionModel, KBreadcrumbSelectionModel::MakeBreadcrumbSelectionInOther, this);
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SON(breadcrumbOnlyProxySelector2);
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breadcrumbOnlyProxySelector2->setActualSelectionIncluded(false);
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KBreadcrumbNavigationProxyModel *breadcrumbNavigationModel = new KBreadcrumbNavigationProxyModel(breadcrumbOnlyProxySelector2, this);
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SON(breadcrumbNavigationModel);
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breadcrumbNavigationModel->setSourceModel(rootModel);
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breadcrumbNavigationModel->setFilterBehavior(KSelectionProxyModel::ExactSelection);
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QListView *breadcrumbView = new QListView(vSplitter);
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// SON(breadcrumbNavigationModel);
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breadcrumbView->setModel(breadcrumbNavigationModel);
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// This shouldn't operate on rootSelectionModel. It should operate on oneway instead?
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KLinkItemSelectionModel *breadcrumbViewSelectionModel = new KLinkItemSelectionModel(breadcrumbNavigationModel, rootSelectionModel, this);
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SON(breadcrumbViewSelectionModel);
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KForwardingItemSelectionModel *oneway2 =
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new KForwardingItemSelectionModel(breadcrumbNavigationModel, breadcrumbViewSelectionModel, KForwardingItemSelectionModel::Reverse);
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SON(oneway2);
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breadcrumbView->setSelectionModel(oneway2);
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KSelectionProxyModel *currentItemSelectionModel = new KSelectionProxyModel(rootSelectionModel, this);
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currentItemSelectionModel->setFilterBehavior(KSelectionProxyModel::ExactSelection);
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currentItemSelectionModel->setSourceModel(rootModel);
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SON(currentItemSelectionModel);
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new CurrentItemLabel(currentItemSelectionModel, vSplitter);
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QListView *selectionView = new QListView(vSplitter);
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// Need a one-way connection from rootSelectionModel to rootSelectionModel2
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KForwardingItemSelectionModel *oneway = new KForwardingItemSelectionModel(rootModel, rootSelectionModel);
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KNavigatingProxyModel *navigatingProxyModel = new KNavigatingProxyModel(oneway, this);
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SON(navigatingProxyModel);
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navigatingProxyModel->setSourceModel(rootModel);
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selectionView->setModel(navigatingProxyModel);
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KLinkItemSelectionModel *selectedChildrenSelectionModel = new KLinkItemSelectionModel(navigatingProxyModel, rootSelectionModel, this);
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selectionView->setSelectionModel(selectedChildrenSelectionModel);
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}
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#include "moc_breadcrumbnavigationwidget.cpp"
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