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make traverseModel generic by taking a function parameter

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This commit is contained in:
Jussi Kuokkanen 2023-08-28 00:16:12 +03:00
parent c04c1b5c41
commit 9b22f14898
2 changed files with 25 additions and 12 deletions
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35
src/tuxclocker-qt/Utils.cpp
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@ -2,6 +2,7 @@
#include <AssignableProxy.hpp> #include <AssignableProxy.hpp>
#include <DeviceModel.hpp> #include <DeviceModel.hpp>
#include <functional>
#include <QDebug> #include <QDebug>
#include <QSettings> #include <QSettings>
@ -19,13 +20,26 @@ QVariant fromAssignmentArgument(TuxClocker::Device::AssignmentArgument arg) {
return QVariant{}; return QVariant{};
} }
void traverseModel(const QAbstractItemModel *model, QModelIndex parent = QModelIndex()) { using ModelTraverseCallback = std::function<QModelIndex(QAbstractItemModel *, QModelIndex &, int)>;
for (int i = 0; i < model->rowCount(parent); i++) {
auto index = model->index(i, DeviceModel::InterfaceColumn, parent);
// Only this index will have children
auto nameIndex = model->index(i, DeviceModel::NameColumn, parent);
auto assProxyV = index.data(DeviceModel::AssignableProxyRole); void traverseModel(const ModelTraverseCallback &cb, QAbstractItemModel *model,
QModelIndex parent = QModelIndex()) {
for (int i = 0; i < model->rowCount(parent); i++) {
// We get the next index we should traverse, and the funtion does
// its thing with the model and index
auto nextIndex = cb(model, parent, i);
if (model->hasChildren(nextIndex)) {
traverseModel(cb, model, nextIndex);
}
}
}
void writeAssignableDefaults(DeviceModel &model) {
ModelTraverseCallback cb = [](QAbstractItemModel *model, QModelIndex index, int row) {
auto ifaceIndex = model->index(row, DeviceModel::InterfaceColumn, index);
auto assProxyV = ifaceIndex.data(DeviceModel::AssignableProxyRole);
if (assProxyV.isValid()) { if (assProxyV.isValid()) {
auto assProxy = qvariant_cast<AssignableProxy *>(assProxyV); auto assProxy = qvariant_cast<AssignableProxy *>(assProxyV);
@ -47,12 +61,11 @@ void traverseModel(const QAbstractItemModel *model, QModelIndex parent = QModelI
settings.endGroup(); settings.endGroup();
} }
} }
auto nextIndex = model->index(row, DeviceModel::NameColumn, index);
if (model->hasChildren(nameIndex)) return nextIndex;
traverseModel(model, nameIndex); };
} traverseModel(cb, &model);
} }
void writeAssignableDefaults(const DeviceModel &model) { traverseModel(&model); }
} // namespace Utils } // namespace Utils

2
src/tuxclocker-qt/Utils.hpp
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@ -4,6 +4,6 @@
namespace Utils { namespace Utils {
void writeAssignableDefaults(const DeviceModel &model); void writeAssignableDefaults(DeviceModel &model);
} }