mirror of
https://github.com/MultiMC/MultiMC5.git
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184 lines
5.4 KiB
C++
184 lines
5.4 KiB
C++
/* Copyright 2013-2021 MultiMC Contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <QObject>
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#include <QAbstractListModel>
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#include <QSet>
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#include <QList>
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#include "BaseInstance.h"
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#include "QObjectPtr.h"
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class QFileSystemWatcher;
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class InstanceTask;
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using InstanceId = QString;
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using GroupId = QString;
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using InstanceLocator = std::pair<InstancePtr, int>;
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enum class InstCreateError
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{
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NoCreateError = 0,
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NoSuchVersion,
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UnknownCreateError,
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InstExists,
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CantCreateDir
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};
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enum class GroupsState
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{
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NotLoaded,
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Steady,
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Dirty
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};
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class InstanceList : public QAbstractListModel
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{
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Q_OBJECT
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public:
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explicit InstanceList(SettingsObjectPtr settings, const QString & instDir, QObject *parent = 0);
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virtual ~InstanceList();
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public:
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QModelIndex index(int row, int column = 0, const QModelIndex &parent = QModelIndex()) const override;
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int rowCount(const QModelIndex &parent = QModelIndex()) const override;
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QVariant data(const QModelIndex &index, int role) const override;
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Qt::ItemFlags flags(const QModelIndex &index) const override;
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bool setData(const QModelIndex & index, const QVariant & value, int role) override;
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enum AdditionalRoles
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{
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GroupRole = Qt::UserRole,
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InstancePointerRole = 0x34B1CB48, ///< Return pointer to real instance
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InstanceIDRole = 0x34B1CB49 ///< Return id if the instance
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};
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/*!
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* \brief Error codes returned by functions in the InstanceList class.
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* NoError Indicates that no error occurred.
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* UnknownError indicates that an unspecified error occurred.
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*/
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enum InstListError
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{
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NoError = 0,
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UnknownError
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};
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InstancePtr at(int i) const
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{
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return m_instances.at(i);
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}
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int count() const
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{
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return m_instances.count();
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}
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InstListError loadList();
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void saveNow();
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InstancePtr getInstanceById(QString id) const;
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QModelIndex getInstanceIndexById(const QString &id) const;
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QStringList getGroups();
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bool isGroupCollapsed(const QString &groupName);
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GroupId getInstanceGroup(const InstanceId & id) const;
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void setInstanceGroup(const InstanceId & id, const GroupId& name);
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void deleteGroup(const GroupId & name);
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void deleteInstance(const InstanceId & id);
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// Wrap an instance creation task in some more task machinery and make it ready to be used
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Task * wrapInstanceTask(InstanceTask * task);
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/**
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* Create a new empty staging area for instance creation and @return a path/key top commit it later.
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* Used by instance manipulation tasks.
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*/
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QString getStagedInstancePath();
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/**
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* Commit the staging area given by @keyPath to the provider - used when creation succeeds.
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* Used by instance manipulation tasks.
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*/
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bool commitStagedInstance(const QString & keyPath, const QString& instanceName, const QString & groupName);
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/**
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* Destroy a previously created staging area given by @keyPath - used when creation fails.
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* Used by instance manipulation tasks.
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*/
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bool destroyStagingPath(const QString & keyPath);
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int getTotalPlayTime();
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Qt::DropActions supportedDragActions() const override;
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Qt::DropActions supportedDropActions() const override;
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bool canDropMimeData(const QMimeData * data, Qt::DropAction action, int row, int column, const QModelIndex & parent) const override;
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bool dropMimeData(const QMimeData * data, Qt::DropAction action, int row, int column, const QModelIndex & parent) override;
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QStringList mimeTypes() const override;
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QMimeData *mimeData(const QModelIndexList &indexes) const override;
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signals:
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void dataIsInvalid();
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void instancesChanged();
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void instanceSelectRequest(QString instanceId);
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void groupsChanged(QSet<QString> groups);
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public slots:
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void on_InstFolderChanged(const Setting &setting, QVariant value);
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void on_GroupStateChanged(const QString &group, bool collapsed);
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private slots:
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void propertiesChanged(BaseInstance *inst);
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void providerUpdated();
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void instanceDirContentsChanged(const QString &path);
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private:
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int getInstIndex(BaseInstance *inst) const;
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void updateTotalPlayTime();
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void suspendWatch();
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void resumeWatch();
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void add(const QList<InstancePtr> &list);
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void loadGroupList();
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void saveGroupList();
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QList<InstanceId> discoverInstances();
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InstancePtr loadInstance(const InstanceId& id);
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private:
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int m_watchLevel = 0;
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int totalPlayTime = 0;
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bool m_dirty = false;
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QList<InstancePtr> m_instances;
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QSet<QString> m_groupNameCache;
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SettingsObjectPtr m_globalSettings;
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QString m_instDir;
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QFileSystemWatcher * m_watcher;
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// FIXME: this is so inefficient that looking at it is almost painful.
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QSet<QString> m_collapsedGroups;
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QMap<InstanceId, GroupId> m_instanceGroupIndex;
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QSet<InstanceId> instanceSet;
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bool m_groupsLoaded = false;
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bool m_instancesProbed = false;
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};
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