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cmake/Source/QtDialog/QCMakePresetItemModel.cxx

144 lines
3.8 KiB

/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include "QCMakePresetItemModel.h"
#include <QFont>
QCMakePresetItemModel::QCMakePresetItemModel(QObject* parent)
: QAbstractItemModel(parent)
{
}
QVariant QCMakePresetItemModel::data(const QModelIndex& index, int role) const
{
switch (role) {
case Qt::AccessibleDescriptionRole:
// Separators have to return "separator" for the
// AccessibleDescriptionRole. This was determined by looking at
// QComboBoxDelegate::isSeparator() (located in qcombobox_p.h.)
if (index.internalId() == SEPARATOR_INDEX) {
return QString("separator");
}
return QString{};
case Qt::DisplayRole: {
if (index.internalId() == CUSTOM_INDEX) {
return QString("<custom>");
}
if (index.internalId() == SEPARATOR_INDEX) {
return QVariant{};
}
auto const& preset = this->m_presets[index.internalId()];
return preset.displayName.isEmpty() ? preset.name : preset.displayName;
}
case Qt::ToolTipRole:
if (index.internalId() == CUSTOM_INDEX) {
return QString("Specify all settings manually");
}
if (index.internalId() == SEPARATOR_INDEX) {
return QVariant{};
}
return this->m_presets[index.internalId()].description;
case Qt::UserRole:
if (index.internalId() == CUSTOM_INDEX) {
return QVariant{};
}
if (index.internalId() == SEPARATOR_INDEX) {
return QVariant{};
}
return QVariant::fromValue(this->m_presets[index.internalId()]);
case Qt::FontRole:
if (index.internalId() == CUSTOM_INDEX) {
QFont font;
font.setItalic(true);
return font;
}
return QFont{};
default:
return QVariant{};
}
}
Qt::ItemFlags QCMakePresetItemModel::flags(const QModelIndex& index) const
{
Qt::ItemFlags flags =
Qt::ItemIsEditable | Qt::ItemIsDragEnabled | Qt::ItemIsDropEnabled;
if (index.internalId() != SEPARATOR_INDEX &&
(index.internalId() == CUSTOM_INDEX ||
this->m_presets[index.internalId()].enabled)) {
flags |= Qt::ItemIsSelectable | Qt::ItemIsEnabled;
}
return flags;
}
int QCMakePresetItemModel::rowCount(const QModelIndex& parent) const
{
if (parent.isValid()) {
return 0;
}
if (this->m_presets.empty()) {
return 1;
}
return this->m_presets.size() + 2;
}
int QCMakePresetItemModel::columnCount(const QModelIndex& parent) const
{
if (parent.isValid()) {
return 0;
}
return 1;
}
QModelIndex QCMakePresetItemModel::index(int row, int column,
const QModelIndex& parent) const
{
if (parent.isValid() || column != 0 || row < 0 ||
row >= this->rowCount(QModelIndex{})) {
return QModelIndex{};
}
if (this->m_presets.empty() || row == this->m_presets.size() + 1) {
return this->createIndex(row, column, CUSTOM_INDEX);
}
if (row == this->m_presets.size()) {
return this->createIndex(row, column, SEPARATOR_INDEX);
}
return this->createIndex(row, column, static_cast<quintptr>(row));
}
QModelIndex QCMakePresetItemModel::parent(const QModelIndex& /*index*/) const
{
return QModelIndex{};
}
QVector<QCMakePreset> const& QCMakePresetItemModel::presets() const
{
return this->m_presets;
}
void QCMakePresetItemModel::setPresets(QVector<QCMakePreset> const& presets)
{
this->beginResetModel();
this->m_presets = presets;
this->endResetModel();
}
int QCMakePresetItemModel::presetNameToRow(const QString& name) const
{
if (this->m_presets.empty()) {
return 0;
}
int index = 0;
for (auto const& preset : this->m_presets) {
if (preset.name == name) {
return index;
}
index++;
}
return this->m_presets.size() + 1;
}