NOISSUE use QtConcurrent to run FS operations in worker threads
Not all operations - only the ones that aren't in error handling. The API for QFuture is too nasty to do much more in a sensible way.
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@ -43,7 +43,6 @@ MULTIMC_LOGIC_EXPORT bool ensureFolderPathExists(QString filenamepath);
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class MULTIMC_LOGIC_EXPORT copy
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{
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public:
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copy(const copy&) = delete;
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copy(const QString & src, const QString & dst)
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{
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m_src = src;
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@ -113,7 +113,7 @@ InstancePtr FolderInstanceProvider::loadInstance(const InstanceId& id)
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#include "InstanceImportTask.h"
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Task * FolderInstanceProvider::zipImportTask(const QUrl sourceUrl, const QString& instName, const QString& instGroup, const QString& instIcon)
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{
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return new InstanceImportTask(m_globalSettings, sourceUrl, this, instName, instGroup, instIcon);
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return new InstanceImportTask(m_globalSettings, sourceUrl, this, instName, instIcon, instGroup);
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}
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#include "InstanceCreationTask.h"
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@ -346,7 +346,7 @@ bool FolderInstanceProvider::commitStagedInstance(const QString& keyPath, const
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emit instancesChanged();
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}
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saveGroupList();
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return destroyStagingPath(keyPath);
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return true;
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}
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bool FolderInstanceProvider::destroyStagingPath(const QString& keyPath)
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@ -4,6 +4,7 @@
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#include "FileSystem.h"
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#include "NullInstance.h"
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#include "pathmatcher/RegexpMatcher.h"
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#include <QtConcurrentRun>
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InstanceCopyTask::InstanceCopyTask(SettingsObjectPtr settings, BaseInstanceProvider* target, InstancePtr origInstance, const QString& instName, const QString& instIcon, const QString& instGroup, bool copySaves)
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{
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@ -28,26 +29,42 @@ void InstanceCopyTask::executeTask()
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matcher.reset(matcherReal);
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}
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QString stagingPath = m_target->getStagedInstancePath();
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FS::copy folderCopy(m_origInstance->instanceRoot(), stagingPath);
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m_stagingPath = m_target->getStagedInstancePath();
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FS::copy folderCopy(m_origInstance->instanceRoot(), m_stagingPath);
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folderCopy.followSymlinks(false).blacklist(matcher.get());
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if (!folderCopy())
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m_copyFuture = QtConcurrent::run(QThreadPool::globalInstance(), folderCopy);
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connect(&m_copyFutureWatcher, &QFutureWatcher<bool>::finished, this, &InstanceCopyTask::copyFinished);
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connect(&m_copyFutureWatcher, &QFutureWatcher<bool>::canceled, this, &InstanceCopyTask::copyAborted);
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m_copyFutureWatcher.setFuture(m_copyFuture);
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}
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void InstanceCopyTask::copyFinished()
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{
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auto successful = m_copyFuture.result();
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if(!successful)
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{
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m_target->destroyStagingPath(stagingPath);
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m_target->destroyStagingPath(m_stagingPath);
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emitFailed(tr("Instance folder copy failed."));
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return;
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}
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// FIXME: shouldn't this be able to report errors?
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auto instanceSettings = std::make_shared<INISettingsObject>(FS::PathCombine(stagingPath, "instance.cfg"));
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auto instanceSettings = std::make_shared<INISettingsObject>(FS::PathCombine(m_stagingPath, "instance.cfg"));
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instanceSettings->registerSetting("InstanceType", "Legacy");
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// FIXME: and this too? errors???
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m_origInstance->copy(stagingPath);
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m_origInstance->copy(m_stagingPath);
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InstancePtr inst(new NullInstance(m_globalSettings, instanceSettings, stagingPath));
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InstancePtr inst(new NullInstance(m_globalSettings, instanceSettings, m_stagingPath));
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inst->setName(m_instName);
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inst->setIconKey(m_instIcon);
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m_target->commitStagedInstance(stagingPath, stagingPath, m_instName, m_instGroup);
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m_target->commitStagedInstance(m_stagingPath, m_stagingPath, m_instName, m_instGroup);
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emitSucceeded();
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}
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void InstanceCopyTask::copyAborted()
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{
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m_target->destroyStagingPath(m_stagingPath);
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emitFailed(tr("Instance folder copy has been aborted."));
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return;
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}
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@ -4,10 +4,13 @@
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#include "multimc_logic_export.h"
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#include "net/NetJob.h"
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#include <QUrl>
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#include <QFuture>
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#include <QFutureWatcher>
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#include "settings/SettingsObject.h"
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#include "BaseVersion.h"
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#include "BaseInstance.h"
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class BaseInstanceProvider;
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class MULTIMC_LOGIC_EXPORT InstanceCopyTask : public Task
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@ -20,6 +23,8 @@ public:
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protected:
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//! Entry point for tasks.
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virtual void executeTask() override;
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void copyFinished();
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void copyAborted();
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private: /* data */
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SettingsObjectPtr m_globalSettings;
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@ -28,7 +33,10 @@ private: /* data */
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QString m_instName;
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QString m_instIcon;
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QString m_instGroup;
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QString m_stagingPath;
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bool m_copySaves = false;
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QFuture<bool> m_copyFuture;
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QFutureWatcher<bool> m_copyFutureWatcher;
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};
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@ -8,6 +8,7 @@
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#include "NullInstance.h"
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#include "settings/INISettingsObject.h"
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#include "icons/IIconList.h"
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#include <QtConcurrentRun>
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InstanceImportTask::InstanceImportTask(SettingsObjectPtr settings, const QUrl sourceUrl, BaseInstanceProvider * target,
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const QString &instName, const QString &instIcon, const QString &instGroup)
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@ -86,19 +87,29 @@ static QFileInfo findRecursive(const QString &dir, const QString &name)
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void InstanceImportTask::extractAndTweak()
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{
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setStatus(tr("Extracting modpack"));
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QString stagingPath = m_target->getStagedInstancePath();
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QDir extractDir(stagingPath);
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m_stagingPath = m_target->getStagedInstancePath();
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QDir extractDir(m_stagingPath);
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qDebug() << "Attempting to create instance from" << m_archivePath;
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if (MMCZip::extractDir(m_archivePath, extractDir.absolutePath()).isEmpty())
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m_extractFuture = QtConcurrent::run(QThreadPool::globalInstance(), MMCZip::extractDir, m_archivePath, extractDir.absolutePath());
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connect(&m_extractFutureWatcher, &QFutureWatcher<QStringList>::finished, this, &InstanceImportTask::extractFinished);
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connect(&m_extractFutureWatcher, &QFutureWatcher<QStringList>::canceled, this, &InstanceImportTask::extractAborted);
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m_extractFutureWatcher.setFuture(m_extractFuture);
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}
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void InstanceImportTask::extractFinished()
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{
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if (m_extractFuture.result().isEmpty())
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{
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m_target->destroyStagingPath(stagingPath);
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m_target->destroyStagingPath(m_stagingPath);
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emitFailed(tr("Failed to extract modpack"));
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return;
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}
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QDir extractDir(m_stagingPath);
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const QFileInfo instanceCfgFile = findRecursive(extractDir.absolutePath(), "instance.cfg");
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if (!instanceCfgFile.isFile() || !instanceCfgFile.exists())
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{
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m_target->destroyStagingPath(stagingPath);
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m_target->destroyStagingPath(m_stagingPath);
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emitFailed(tr("Archive does not contain instance.cfg"));
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return;
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}
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@ -136,11 +147,18 @@ void InstanceImportTask::extractAndTweak()
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iconList->installIcons({importIconPath});
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}
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}
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if (!m_target->commitStagedInstance(stagingPath, actualDir, m_instName, m_instGroup))
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if (!m_target->commitStagedInstance(m_stagingPath, actualDir, m_instName, m_instGroup))
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{
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m_target->destroyStagingPath(stagingPath);
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m_target->destroyStagingPath(m_stagingPath);
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emitFailed(tr("Unable to commit instance"));
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return;
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}
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emitSucceeded();
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}
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void InstanceImportTask::extractAborted()
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{
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m_target->destroyStagingPath(m_stagingPath);
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emitFailed(tr("Instance import has been aborted."));
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return;
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}
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@ -4,6 +4,8 @@
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#include "multimc_logic_export.h"
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#include "net/NetJob.h"
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#include <QUrl>
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#include <QFuture>
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#include <QFutureWatcher>
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#include "settings/SettingsObject.h"
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class BaseInstanceProvider;
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@ -26,6 +28,8 @@ private slots:
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void downloadSucceeded();
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void downloadFailed(QString reason);
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void downloadProgressChanged(qint64 current, qint64 total);
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void extractFinished();
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void extractAborted();
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private: /* data */
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SettingsObjectPtr m_globalSettings;
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@ -37,4 +41,7 @@ private: /* data */
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QString m_instName;
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QString m_instIcon;
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QString m_instGroup;
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QString m_stagingPath;
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QFuture<QStringList> m_extractFuture;
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QFutureWatcher<QStringList> m_extractFutureWatcher;
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};
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@ -641,6 +641,8 @@ QRect GroupView::geometryRect(const QModelIndex &index) const
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QModelIndex GroupView::indexAt(const QPoint &point) const
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{
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const_cast<GroupView*>(this)->executeDelayedItemsLayout();
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for (int i = 0; i < model()->rowCount(); ++i)
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{
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QModelIndex index = model()->index(i, 0);
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