calamares/src/modules/partition/core/BootLoaderModel.h
Adriaan de Groot d0276fd25f [partition] Look up bootloader by name, method
The bootloader model knows about both rows and
devices, so we can look up both at once. The
existing implementation as a non-member was rather
sketchy and wasn't used except as support for
restoreSelectedBootLoader().
2021-05-25 13:05:45 +02:00

76 lines
2.0 KiB
C++

/* === This file is part of Calamares - <https://calamares.io> ===
*
* SPDX-FileCopyrightText: 2014 Aurélien Gâteau <agateau@kde.org>
* SPDX-FileCopyrightText: 2015 Teo Mrnjavac <teo@kde.org>
* SPDX-FileCopyrightText: 2019 Adriaan de Groot <groot@kde.org>
* SPDX-License-Identifier: GPL-3.0-or-later
*
* Calamares is Free Software: see the License-Identifier above.
*
*/
#ifndef BOOTLOADERMODEL_H
#define BOOTLOADERMODEL_H
#include <QList>
#include <QMutex>
#include <QStandardItemModel>
class Device;
class QComboBox;
/**
* This model contains one entry for each device MBR plus one entry for the
* /boot or / partition
*/
class BootLoaderModel : public QStandardItemModel
{
Q_OBJECT
public:
using DeviceList = QList< Device* >;
enum
{
BootLoaderPathRole = Qt::UserRole + 1,
IsPartitionRole
};
BootLoaderModel( QObject* parent = nullptr );
~BootLoaderModel() override;
/**
* Init the model with the list of devices. Does *not* take ownership of the
* devices.
*/
void init( const DeviceList& devices );
void update();
QVariant data( const QModelIndex& index, int role = Qt::DisplayRole ) const override;
/** @brief Looks up a boot-loader by device-name @p path (e.g. /dev/sda)
*
* Returns a row number (index) in the model and a Device*: if there **is** a
* device for the given @p path, index will be in range of the model and
* Device* non-null. Returns (-1, nullptr) otherwise.
*/
std::pair< int, Device* > findBootLoader( const QString& path ) const;
private:
DeviceList m_devices;
mutable QMutex m_lock;
void createMbrItems();
void updateInternal();
};
namespace Calamares
{
/** @brief Tries to set @p path as selected item in @p combo
*
* Matches a boot-loader install path (e.g. /dev/sda) with a model
* row and sets that as the current row.
*/
void restoreSelectedBootLoader( QComboBox& combo, const QString& path );
} // namespace Calamares
#endif /* BOOTLOADERMODEL_H */