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NOISSUE Try to enable dragging accross views

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This commit is contained in:
janrupf 2019-06-19 19:46:35 +02:00 committed by Petr Mrázek
parent cec5f7332e
commit 4233e0c014
4 changed files with 53 additions and 5 deletions
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29
api/logic/minecraft/SimpleModList.cpp
View File

@ -21,6 +21,7 @@
#include <QString>
#include <QFileSystemWatcher>
#include <QDebug>
#include <QtCore/QDataStream>
SimpleModList::SimpleModList(const QString &dir) : QAbstractListModel(), m_dir(dir)
{
@ -313,8 +314,7 @@ Qt::ItemFlags SimpleModList::flags(const QModelIndex &index) const
{
Qt::ItemFlags defaultFlags = QAbstractListModel::flags(index);
if (index.isValid())
return Qt::ItemIsUserCheckable | Qt::ItemIsDropEnabled |
defaultFlags;
return Qt::ItemIsUserCheckable | Qt::ItemIsDropEnabled | Qt::ItemIsDragEnabled | defaultFlags;
else
return Qt::ItemIsDropEnabled | defaultFlags;
}
@ -325,6 +325,11 @@ Qt::DropActions SimpleModList::supportedDropActions() const
return Qt::CopyAction | Qt::MoveAction;
}
Qt::DropActions SimpleModList::supportedDragActions() const
{
return Qt::CopyAction | Qt::MoveAction;
}
QStringList SimpleModList::mimeTypes() const
{
QStringList types;
@ -332,6 +337,7 @@ QStringList SimpleModList::mimeTypes() const
return types;
}
bool SimpleModList::dropMimeData(const QMimeData* data, Qt::DropAction action, int, int, const QModelIndex&)
{
if (action == Qt::IgnoreAction)
@ -363,3 +369,22 @@ bool SimpleModList::dropMimeData(const QMimeData* data, Qt::DropAction action, i
}
return false;
}
QMimeData *SimpleModList::mimeData(const QModelIndexList &indexes) const
{
auto *mimeData = new QMimeData();
QByteArray encodedData;
QDataStream stream(&encodedData, QIODevice::WriteOnly);
for(const auto &index : indexes)
{
if(index.isValid())
{
auto mod = mods[index.row()];
stream << "file://" << mod.filename().absoluteFilePath() << "\n";
}
}
mimeData->setData("text/uri-list", encodedData);
return mimeData;
}

2
api/logic/minecraft/SimpleModList.h
View File

@ -49,11 +49,13 @@ public:
virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
virtual bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole) override;
Qt::DropActions supportedDropActions() const override;
Qt::DropActions supportedDragActions() const override;
/// flags, mostly to support drag&drop
virtual Qt::ItemFlags flags(const QModelIndex &index) const override;
QStringList mimeTypes() const override;
bool dropMimeData(const QMimeData * data, Qt::DropAction action, int row, int column, const QModelIndex & parent) override;
QMimeData *mimeData(const QModelIndexList &indexes) const override;
virtual int rowCount(const QModelIndex &) const override
{

19
application/widgets/ModListView.cpp
View File

@ -35,8 +35,10 @@ ModListView::ModListView ( QWidget* parent )
setHorizontalScrollBarPolicy ( Qt::ScrollBarAsNeeded );
setDropIndicatorShown(true);
setDragEnabled(true);
setDragDropMode(QAbstractItemView::DropOnly);
setDragDropMode(QAbstractItemView::DragDrop);
viewport()->setAcceptDrops(true);
setAcceptDrops(true);
setDefaultDropAction(Qt::CopyAction);
}
void ModListView::setModel ( QAbstractItemModel* model )
@ -64,3 +66,18 @@ void ModListView::setModel ( QAbstractItemModel* model )
head->setSectionResizeMode(i, QHeaderView::ResizeToContents);
}
}
void ModListView::dragEnterEvent(QDragEnterEvent *event)
{
event->accept();
}
void ModListView::dragMoveEvent(QDragMoveEvent *event)
{
event->accept();
}
void ModListView::dropEvent(QDropEvent *event)
{
QAbstractItemView::dropEvent(event);
}

8
application/widgets/ModListView.h
View File

@ -22,6 +22,10 @@ class ModListView: public QTreeView
{
Q_OBJECT
public:
explicit ModListView ( QWidget* parent = 0 );
virtual void setModel ( QAbstractItemModel* model );
explicit ModListView ( QWidget* parent = nullptr );
void setModel ( QAbstractItemModel* model ) override;
void dragEnterEvent(QDragEnterEvent *event) override;
void dragMoveEvent(QDragMoveEvent *event) override;
void dropEvent(QDropEvent *event) override;
};