mirror of
https://github.com/SerenityOS/serenity
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86 lines
2.2 KiB
C++
86 lines
2.2 KiB
C++
/*
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* Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "ModelTranslator.h"
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#include "Utilities.h"
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#include <QIcon>
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namespace Ladybird {
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ModelTranslator::~ModelTranslator() = default;
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int ModelTranslator::columnCount(QModelIndex const& parent) const
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{
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if (!m_model)
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return 0;
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return m_model->column_count(to_gui(parent));
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}
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int ModelTranslator::rowCount(QModelIndex const& parent) const
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{
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if (!m_model)
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return 0;
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return m_model->row_count(to_gui(parent));
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}
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static QVariant convert_variant(GUI::Variant const& value)
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{
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if (value.is_string())
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return qstring_from_ak_deprecated_string(value.as_string());
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if (value.is_icon()) {
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auto const& gui_icon = value.as_icon();
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auto bitmap = gui_icon.bitmap_for_size(16);
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VERIFY(bitmap);
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auto qt_image = QImage(bitmap->scanline_u8(0), 16, 16, QImage::Format_ARGB32);
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QIcon qt_icon;
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qt_icon.addPixmap(QPixmap::fromImage(qt_image.convertToFormat(QImage::Format::Format_ARGB32_Premultiplied)));
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return qt_icon;
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}
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return {};
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}
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QVariant ModelTranslator::data(QModelIndex const& index, int role) const
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{
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VERIFY(m_model);
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switch (role) {
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case Qt::DisplayRole:
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return convert_variant(m_model->data(to_gui(index), GUI::ModelRole::Display));
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case Qt::DecorationRole:
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return convert_variant(m_model->data(to_gui(index), GUI::ModelRole::Icon));
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default:
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return {};
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}
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}
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QModelIndex ModelTranslator::index(int row, int column, QModelIndex const& parent) const
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{
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VERIFY(m_model);
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return to_qt(m_model->index(row, column, to_gui(parent)));
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}
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QModelIndex ModelTranslator::parent(QModelIndex const& index) const
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{
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VERIFY(m_model);
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return to_qt(m_model->parent_index(to_gui(index)));
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}
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QModelIndex ModelTranslator::to_qt(GUI::ModelIndex const& index) const
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{
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if (!index.is_valid())
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return {};
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return createIndex(index.row(), index.column(), index.internal_data());
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}
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GUI::ModelIndex ModelTranslator::to_gui(QModelIndex const& index) const
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{
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VERIFY(m_model);
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if (!index.isValid())
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return {};
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return m_model->unsafe_create_index(index.row(), index.column(), index.internalPointer());
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}
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}
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