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Avoid const-cast in WorldList - subclass is unnecessary and result->formats() is correct

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Signed-off-by: TheKodeToad <TheKodeToad@proton.me>
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TheKodeToad 2025-09-17 10:50:54 +01:00
parent 5ef61aa445
commit 24726ea621
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GPG Key ID: 5E39D70B4C93C38E
1 changed files with 16 additions and 36 deletions
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52
launcher/minecraft/WorldList.cpp
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@ -36,6 +36,7 @@
#include "WorldList.h" #include "WorldList.h"
#include <FileSystem.h> #include <FileSystem.h>
#include <qmimedata.h>
#include <QDebug> #include <QDebug>
#include <QDirIterator> #include <QDirIterator>
#include <QFileSystemWatcher> #include <QFileSystemWatcher>
@ -301,50 +302,31 @@ QStringList WorldList::mimeTypes() const
return types; return types;
} }
class WorldMimeData : public QMimeData {
Q_OBJECT
public:
WorldMimeData(QList<World> worlds) { m_worlds = worlds; }
QStringList formats() const { return QMimeData::formats() << "text/uri-list"; }
protected:
QVariant retrieveData(const QString& mimetype, QMetaType type) const
{
QList<QUrl> urls;
for (auto& world : m_worlds) {
if (!world.isValid() || !world.isOnFS())
continue;
QString worldPath = world.container().absoluteFilePath();
qDebug() << worldPath;
urls.append(QUrl::fromLocalFile(worldPath));
}
const_cast<WorldMimeData*>(this)->setUrls(urls);
return QMimeData::retrieveData(mimetype, type);
}
private:
QList<World> m_worlds;
};
QMimeData* WorldList::mimeData(const QModelIndexList& indexes) const QMimeData* WorldList::mimeData(const QModelIndexList& indexes) const
{ {
if (indexes.size() == 0) QList<QUrl> urls;
return new QMimeData();
QList<World> worlds_;
for (auto idx : indexes) { for (auto idx : indexes) {
if (idx.column() != 0) if (idx.column() != 0)
continue; continue;
int row = idx.row(); int row = idx.row();
if (row < 0 || row >= this->m_worlds.size()) if (row < 0 || row >= this->m_worlds.size())
continue; continue;
worlds_.append(this->m_worlds[row]);
const World& world = m_worlds[row];
if (!world.isValid() || !world.isOnFS())
continue;
QString worldPath = world.container().absoluteFilePath();
qDebug() << worldPath;
urls.append(QUrl::fromLocalFile(worldPath));
} }
if (!worlds_.size()) {
return new QMimeData(); auto result = new QMimeData();
} result->setUrls(urls);
return new WorldMimeData(worlds_); return result;
} }
Qt::ItemFlags WorldList::flags(const QModelIndex& index) const Qt::ItemFlags WorldList::flags(const QModelIndex& index) const
@ -453,5 +435,3 @@ void WorldList::loadWorldsAsync()
}); });
} }
} }
#include "WorldList.moc"