X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fclient%2Fselectionmodelsynchronizer.cpp;fp=src%2Fclient%2Fselectionmodelsynchronizer.cpp;h=e9c72209eb86dd8b4da8440866d14b36d9d06472;hp=fc732d4a386b23aef5940ce7cef3b6acc79dc862;hb=c1cf157116de7fc3da96203aa6f03c38c7ebb650;hpb=30b159cb876a9495de42e9a3e70ca050516f0805 diff --git a/src/client/selectionmodelsynchronizer.cpp b/src/client/selectionmodelsynchronizer.cpp index fc732d4a..e9c72209 100644 --- a/src/client/selectionmodelsynchronizer.cpp +++ b/src/client/selectionmodelsynchronizer.cpp @@ -22,29 +22,25 @@ #include #include - #include -SelectionModelSynchronizer::SelectionModelSynchronizer(QAbstractItemModel *parent) - : QObject(parent), - _model(parent), - _selectionModel(parent) +SelectionModelSynchronizer::SelectionModelSynchronizer(QAbstractItemModel* parent) + : QObject(parent) + , _model(parent) + , _selectionModel(parent) { - connect(&_selectionModel, &QItemSelectionModel::currentChanged, - this, &SelectionModelSynchronizer::currentChanged); - connect(&_selectionModel, &QItemSelectionModel::selectionChanged, - this, &SelectionModelSynchronizer::selectionChanged); + connect(&_selectionModel, &QItemSelectionModel::currentChanged, this, &SelectionModelSynchronizer::currentChanged); + connect(&_selectionModel, &QItemSelectionModel::selectionChanged, this, &SelectionModelSynchronizer::selectionChanged); } - -bool SelectionModelSynchronizer::checkBaseModel(QItemSelectionModel *selectionModel) +bool SelectionModelSynchronizer::checkBaseModel(QItemSelectionModel* selectionModel) { if (!selectionModel) return false; - const QAbstractItemModel *baseModel = selectionModel->model(); - const QAbstractProxyModel *proxyModel = nullptr; - while ((proxyModel = qobject_cast(baseModel)) != nullptr) { + const QAbstractItemModel* baseModel = selectionModel->model(); + const QAbstractProxyModel* proxyModel = nullptr; + while ((proxyModel = qobject_cast(baseModel)) != nullptr) { baseModel = proxyModel->sourceModel(); if (baseModel == model()) break; @@ -52,8 +48,7 @@ bool SelectionModelSynchronizer::checkBaseModel(QItemSelectionModel *selectionMo return baseModel == model(); } - -void SelectionModelSynchronizer::synchronizeSelectionModel(QItemSelectionModel *selectionModel) +void SelectionModelSynchronizer::synchronizeSelectionModel(QItemSelectionModel* selectionModel) { if (!checkBaseModel(selectionModel)) { qWarning() << "cannot Synchronize SelectionModel" << selectionModel << "which has a different baseModel()"; @@ -66,29 +61,25 @@ void SelectionModelSynchronizer::synchronizeSelectionModel(QItemSelectionModel * return; } - connect(selectionModel, &QItemSelectionModel::currentChanged, - this, &SelectionModelSynchronizer::syncedCurrentChanged); - connect(selectionModel, &QItemSelectionModel::selectionChanged, - this, &SelectionModelSynchronizer::syncedSelectionChanged); + connect(selectionModel, &QItemSelectionModel::currentChanged, this, &SelectionModelSynchronizer::syncedCurrentChanged); + connect(selectionModel, &QItemSelectionModel::selectionChanged, this, &SelectionModelSynchronizer::syncedSelectionChanged); connect(selectionModel, &QObject::destroyed, this, &SelectionModelSynchronizer::selectionModelDestroyed); _selectionModels << selectionModel; } - -void SelectionModelSynchronizer::removeSelectionModel(QItemSelectionModel *model) +void SelectionModelSynchronizer::removeSelectionModel(QItemSelectionModel* model) { disconnect(model, nullptr, this, nullptr); disconnect(this, nullptr, model, nullptr); selectionModelDestroyed(model); } - -void SelectionModelSynchronizer::selectionModelDestroyed(QObject *object) +void SelectionModelSynchronizer::selectionModelDestroyed(QObject* object) { - auto *model = static_cast(object); - QSet::iterator iter = _selectionModels.begin(); + auto* model = static_cast(object); + QSet::iterator iter = _selectionModels.begin(); while (iter != _selectionModels.end()) { if (*iter == model) { iter = _selectionModels.erase(iter); @@ -99,23 +90,21 @@ void SelectionModelSynchronizer::selectionModelDestroyed(QObject *object) } } - -void SelectionModelSynchronizer::syncedCurrentChanged(const QModelIndex ¤t, const QModelIndex &previous) +void SelectionModelSynchronizer::syncedCurrentChanged(const QModelIndex& current, const QModelIndex& previous) { Q_UNUSED(previous); if (!_changeCurrentEnabled) return; - auto *selectionModel = qobject_cast(sender()); + auto* selectionModel = qobject_cast(sender()); Q_ASSERT(selectionModel); QModelIndex newSourceCurrent = mapToSource(current, selectionModel); if (newSourceCurrent.isValid() && newSourceCurrent != currentIndex()) setCurrentIndex(newSourceCurrent); } - -void SelectionModelSynchronizer::syncedSelectionChanged(const QItemSelection &selected, const QItemSelection &deselected) +void SelectionModelSynchronizer::syncedSelectionChanged(const QItemSelection& selected, const QItemSelection& deselected) { Q_UNUSED(selected); Q_UNUSED(deselected); @@ -123,7 +112,7 @@ void SelectionModelSynchronizer::syncedSelectionChanged(const QItemSelection &se if (!_changeSelectionEnabled) return; - auto *selectionModel = qobject_cast(sender()); + auto* selectionModel = qobject_cast(sender()); Q_ASSERT(selectionModel); QItemSelection mappedSelection = selectionModel->selection(); @@ -144,18 +133,17 @@ void SelectionModelSynchronizer::syncedSelectionChanged(const QItemSelection &se setCurrentSelection(mapSelectionToSource(mappedSelection, selectionModel)); } - -QModelIndex SelectionModelSynchronizer::mapFromSource(const QModelIndex &sourceIndex, const QItemSelectionModel *selectionModel) +QModelIndex SelectionModelSynchronizer::mapFromSource(const QModelIndex& sourceIndex, const QItemSelectionModel* selectionModel) { Q_ASSERT(selectionModel); QModelIndex mappedIndex = sourceIndex; // make a list of all involved proxies, wie have to traverse backwards - QList proxyModels; - const QAbstractItemModel *baseModel = selectionModel->model(); - const QAbstractProxyModel *proxyModel = nullptr; - while ((proxyModel = qobject_cast(baseModel)) != nullptr) { + QList proxyModels; + const QAbstractItemModel* baseModel = selectionModel->model(); + const QAbstractProxyModel* proxyModel = nullptr; + while ((proxyModel = qobject_cast(baseModel)) != nullptr) { if (baseModel == model()) break; proxyModels << proxyModel; @@ -170,18 +158,18 @@ QModelIndex SelectionModelSynchronizer::mapFromSource(const QModelIndex &sourceI return mappedIndex; } - -QItemSelection SelectionModelSynchronizer::mapSelectionFromSource(const QItemSelection &sourceSelection, const QItemSelectionModel *selectionModel) +QItemSelection SelectionModelSynchronizer::mapSelectionFromSource(const QItemSelection& sourceSelection, + const QItemSelectionModel* selectionModel) { Q_ASSERT(selectionModel); QItemSelection mappedSelection = sourceSelection; // make a list of all involved proxies, wie have to traverse backwards - QList proxyModels; - const QAbstractItemModel *baseModel = selectionModel->model(); - const QAbstractProxyModel *proxyModel = nullptr; - while ((proxyModel = qobject_cast(baseModel)) != nullptr) { + QList proxyModels; + const QAbstractItemModel* baseModel = selectionModel->model(); + const QAbstractProxyModel* proxyModel = nullptr; + while ((proxyModel = qobject_cast(baseModel)) != nullptr) { if (baseModel == model()) break; proxyModels << proxyModel; @@ -195,15 +183,14 @@ QItemSelection SelectionModelSynchronizer::mapSelectionFromSource(const QItemSel return mappedSelection; } - -QModelIndex SelectionModelSynchronizer::mapToSource(const QModelIndex &index, QItemSelectionModel *selectionModel) +QModelIndex SelectionModelSynchronizer::mapToSource(const QModelIndex& index, QItemSelectionModel* selectionModel) { Q_ASSERT(selectionModel); QModelIndex sourceIndex = index; - const QAbstractItemModel *baseModel = selectionModel->model(); - const QAbstractProxyModel *proxyModel = nullptr; - while ((proxyModel = qobject_cast(baseModel)) != nullptr) { + const QAbstractItemModel* baseModel = selectionModel->model(); + const QAbstractProxyModel* proxyModel = nullptr; + while ((proxyModel = qobject_cast(baseModel)) != nullptr) { sourceIndex = proxyModel->mapToSource(sourceIndex); baseModel = proxyModel->sourceModel(); if (baseModel == model()) @@ -212,15 +199,14 @@ QModelIndex SelectionModelSynchronizer::mapToSource(const QModelIndex &index, QI return sourceIndex; } - -QItemSelection SelectionModelSynchronizer::mapSelectionToSource(const QItemSelection &selection, QItemSelectionModel *selectionModel) +QItemSelection SelectionModelSynchronizer::mapSelectionToSource(const QItemSelection& selection, QItemSelectionModel* selectionModel) { Q_ASSERT(selectionModel); QItemSelection sourceSelection = selection; - const QAbstractItemModel *baseModel = selectionModel->model(); - const QAbstractProxyModel *proxyModel = nullptr; - while ((proxyModel = qobject_cast(baseModel)) != nullptr) { + const QAbstractItemModel* baseModel = selectionModel->model(); + const QAbstractProxyModel* proxyModel = nullptr; + while ((proxyModel = qobject_cast(baseModel)) != nullptr) { sourceSelection = proxyModel->mapSelectionToSource(sourceSelection); baseModel = proxyModel->sourceModel(); if (baseModel == model()) @@ -229,25 +215,22 @@ QItemSelection SelectionModelSynchronizer::mapSelectionToSource(const QItemSelec return sourceSelection; } - -void SelectionModelSynchronizer::setCurrentIndex(const QModelIndex &index) +void SelectionModelSynchronizer::setCurrentIndex(const QModelIndex& index) { _selectionModel.setCurrentIndex(index, QItemSelectionModel::Current); } - -void SelectionModelSynchronizer::setCurrentSelection(const QItemSelection &selection) +void SelectionModelSynchronizer::setCurrentSelection(const QItemSelection& selection) { _selectionModel.select(selection, QItemSelectionModel::ClearAndSelect); } - -void SelectionModelSynchronizer::currentChanged(const QModelIndex ¤t, const QModelIndex &previous) +void SelectionModelSynchronizer::currentChanged(const QModelIndex& current, const QModelIndex& previous) { Q_UNUSED(previous); _changeCurrentEnabled = false; - QSet::iterator iter = _selectionModels.begin(); + QSet::iterator iter = _selectionModels.begin(); while (iter != _selectionModels.end()) { (*iter)->setCurrentIndex(mapFromSource(current, (*iter)), QItemSelectionModel::Current); ++iter; @@ -257,19 +240,17 @@ void SelectionModelSynchronizer::currentChanged(const QModelIndex ¤t, cons // Trigger a dataChanged() signal from the base model to update all proxy models (e.g. filters). // Since signals are protected, we have to use invokeMethod for faking signal emission. if (previous.isValid()) { - QMetaObject::invokeMethod(model(), "dataChanged", Qt::DirectConnection, - Q_ARG(QModelIndex, previous), Q_ARG(QModelIndex, previous)); + QMetaObject::invokeMethod(model(), "dataChanged", Qt::DirectConnection, Q_ARG(QModelIndex, previous), Q_ARG(QModelIndex, previous)); } } - -void SelectionModelSynchronizer::selectionChanged(const QItemSelection &selected, const QItemSelection &deselected) +void SelectionModelSynchronizer::selectionChanged(const QItemSelection& selected, const QItemSelection& deselected) { Q_UNUSED(selected); Q_UNUSED(deselected); _changeSelectionEnabled = false; - QSet::iterator iter = _selectionModels.begin(); + QSet::iterator iter = _selectionModels.begin(); while (iter != _selectionModels.end()) { (*iter)->select(mapSelectionFromSource(currentSelection(), (*iter)), QItemSelectionModel::ClearAndSelect); ++iter;