完善拖放框架
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3fcf823369
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@ -2,6 +2,7 @@
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NodePresent::NodePresent(QWidget* pwidget, double& width_bind, std::shared_ptr<LogicalNode> bind)
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: _widget_p(pwidget), _node_bind(bind), _column_width(width_bind) {
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this->setAcceptDrops(true);
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}
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QRectF NodePresent::contentMeasure() const
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@ -10,6 +11,48 @@ QRectF NodePresent::contentMeasure() const
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return metrics.boundingRect(this->_node_bind->rtName());
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}
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AcceptType NodePresent::testAccept(const QPointF& local_pos) const
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{
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return AcceptType::PREV_LEVEL;
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}
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#include <QGraphicsSceneDragDropEvent>
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#include <QMimeData>
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#include <QDebug>
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void NodePresent::dragEnterEvent(QGraphicsSceneDragDropEvent* e)
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{
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if (e->mimeData()->hasFormat("application/drag-node")) {
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e->acceptProposedAction();
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}
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}
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void NodePresent::dragLeaveEvent(QGraphicsSceneDragDropEvent* event)
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{
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QGraphicsItem::dragLeaveEvent(event);
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this->_drop_target = AcceptType::NONE;
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}
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void NodePresent::dragMoveEvent(QGraphicsSceneDragDropEvent* e)
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{
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if (e->mimeData()->hasFormat("application/drag-node")) {
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auto local_pos = this->mapToItem(this, e->pos());
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this->_drop_target = this->testAccept(local_pos);
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if (_drop_target != AcceptType::NONE)
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e->acceptProposedAction();
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}
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}
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void NodePresent::dropEvent(QGraphicsSceneDragDropEvent* e)
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{
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qDebug() << QString::fromUtf8(e->mimeData()->data("application/drag-node"));
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this->_drop_target = AcceptType::NONE;
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}
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QRectF NodePresent::boundingRect() const
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{
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auto rect = contentMeasure();
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@ -34,6 +77,8 @@ BehaviorsPresent::BehaviorsPresent(QWidget* parent /*= nullptr*/)
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: QGraphicsView(parent) {
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this->setScene(&_bind_scene);
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this->setAcceptDrops(true);
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auto font = this->font();
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font.setPixelSize(20);
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this->setFont(font);
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@ -180,9 +225,25 @@ uint qHash(const std::shared_ptr<LogicalNode> data, uint seed) noexcept
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}
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#include <QSplitter>
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#include <QMenuBar>
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#include <QMenu>
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#include <QFileDialog>
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#include <QDebug>
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void BehaviorEditor::open_behavior_map()
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{
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auto url = QFileDialog::getOpenFileUrl(this, u8"打开行为树文件", QUrl(), "*.behw");
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this->_logical_present->setRoot(_map_root);
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if (!url.isValid())
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return;
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qDebug() << url;
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}
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BehaviorEditor::BehaviorEditor(QWidget* parent /*= nullptr*/)
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: QMainWindow(parent),
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_type_view(new QListView(this)),
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_type_view(new NodeTypesView(this)),
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_type_model(new QStandardItemModel(this)),
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_logical_present(new BehaviorsPresent(this)),
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_logs_present(new QTextBrowser(this))
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@ -191,6 +252,12 @@ BehaviorEditor::BehaviorEditor(QWidget* parent /*= nullptr*/)
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_global_kernal = std::make_shared<MapKernal>(_global_loader);
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_global_kernal->initial();
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this->_map_root = std::make_shared<BehaviorMapNode>(_global_kernal);
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auto mbar = this->menuBar();
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auto _file = mbar->addMenu(u8"文件");
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_file->addAction(u8"打开", this, &BehaviorEditor::open_behavior_map);
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auto font = this->font();
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font.setPixelSize(20);
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_type_view->setFont(font);
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@ -220,3 +287,46 @@ void BehaviorEditor::nodeTypesViewInit(QStandardItemModel* m)
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m->appendRow(row_item);
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}
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}
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NodeTypesView::NodeTypesView(QWidget* parent /*= nullptr*/)
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: QListView(parent)
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{
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this->setDragEnabled(true);
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this->setDragDropMode(QAbstractItemView::DragOnly);
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this->setSelectionBehavior(QAbstractItemView::SelectRows);
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this->setSelectionMode(QAbstractItemView::SingleSelection);
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}
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#include <QMimeData>
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#include <QVariant>
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#include <QDrag>
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#include <QPainter>
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void NodeTypesView::startDrag(Qt::DropActions supported)
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{
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auto selected = this->selectedIndexes();
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if (selected.size() && selected.first().isValid()) {
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auto val = this->model()->data(selected.first(), Qt::DisplayRole);
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auto type_name = val.toString();
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// 创建自定义MIME数据
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auto mime_data = new QMimeData();
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mime_data->setData("application/drag-node", type_name.toUtf8());
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auto view_rect = this->visualRect(selected.first());
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QPixmap pixmap(view_rect.size());
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pixmap.fill(Qt::transparent);
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QPainter p(&pixmap);
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this->render(&p, QPoint(), QRegion(view_rect));
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p.end();
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// 创建拖动对象
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auto drag = new QDrag(this);
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drag->setMimeData(mime_data);
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drag->setPixmap(pixmap);
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auto result = drag->exec(supported);
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if (result == Qt::CopyAction) {
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qDebug() << __FILE__ << __LINE__;
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}
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}
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}
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@ -6,23 +6,35 @@
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uint qHash(const std::shared_ptr<LogicalNode> data, uint seed) noexcept;
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enum class AcceptType {
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NONE, PREV_LEVEL, NEXT_LEVEL, PREV_SIBLING, NEXT_SIBLING
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};
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/// <summary>
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/// 节点显示代理
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/// </summary>
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class NodePresent : public QGraphicsItem {
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private:
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QWidget *const _widget_p;
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QWidget* const _widget_p;
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std::shared_ptr<LogicalNode> _node_bind;
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double &_column_width;
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double& _column_width;
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AcceptType _drop_target = AcceptType::NONE;
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public:
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NodePresent(QWidget *pwidget, double &width_bind, std::shared_ptr<LogicalNode> bind);
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NodePresent(QWidget* pwidget, double& width_bind, std::shared_ptr<LogicalNode> bind);
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QRectF contentMeasure() const;
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AcceptType testAccept(const QPointF& local_pos) const;
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// 通过 QGraphicsItem 继承
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QRectF boundingRect() const override;
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void paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget) override;
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protected:
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virtual void dragEnterEvent(QGraphicsSceneDragDropEvent* event);
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virtual void dragLeaveEvent(QGraphicsSceneDragDropEvent* event);
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virtual void dragMoveEvent(QGraphicsSceneDragDropEvent* event);
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virtual void dropEvent(QGraphicsSceneDragDropEvent* event);
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};
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@ -83,26 +95,39 @@ public:
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/// <param name="origin_offset">左上角</param>
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/// <returns>左下角</returns>
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QPointF nodeRelayout(QHash<std::shared_ptr<LogicalNode>, std::pair<QSizeF, QSizeF>>& _outline_occupy,
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std::shared_ptr<LogicalNode> ins, const QPointF &origin_offset);
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std::shared_ptr<LogicalNode> ins, const QPointF& origin_offset);
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};
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#include <QListView>
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class NodeTypesView : public QListView {
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public:
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NodeTypesView(QWidget* parent = nullptr);
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protected:
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virtual void startDrag(Qt::DropActions supported) override;
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};
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#include <QStandardItemModel>
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#include <QTextBrowser>
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#include <MessageLoader.h>
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class BehaviorEditor : public QMainWindow {
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private:
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QListView *const _type_view;
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QStandardItemModel *const _type_model;
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BehaviorsPresent *const _logical_present;
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QTextBrowser *const _logs_present;
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std::shared_ptr<MessageLoader> _global_loader;
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std::shared_ptr<MapKernal> _global_kernal;
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public:
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BehaviorEditor(QWidget *parent = nullptr);
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NodeTypesView* const _type_view;
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QStandardItemModel* const _type_model;
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BehaviorsPresent* const _logical_present;
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QTextBrowser* const _logs_present;
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void nodeTypesViewInit(QStandardItemModel *m);
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std::shared_ptr<BehaviorMapNode> _map_root;
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void open_behavior_map();
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public:
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BehaviorEditor(QWidget* parent = nullptr);
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void nodeTypesViewInit(QStandardItemModel* m);
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};
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