itsmattkc
2bda306866
Implemented the ability to copy/paste blocks/clips in the timeline. This did require some large scale changes and reworking of the copy/paste system introduced a few commits ago, but should be largely functional now.
121 lines
2.9 KiB
C++
121 lines
2.9 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2019 Olive Team
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#ifndef NODEVIEW_H
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#define NODEVIEW_H
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#include <QGraphicsView>
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#include <QTimer>
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#include "node/graph.h"
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#include "nodeviewscene.h"
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#include "widget/nodecopypaste/nodecopypaste.h"
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/**
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* @brief A widget for viewing and editing node graphs
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*
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* This widget takes a NodeGraph object and constructs a QGraphicsScene representing its data, viewing and allowing
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* the user to make modifications to it.
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*/
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class NodeView : public QGraphicsView, public NodeCopyPasteWidget
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{
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Q_OBJECT
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public:
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NodeView(QWidget* parent);
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virtual ~NodeView() override;
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/**
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* @brief Sets the graph to view
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*/
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void SetGraph(NodeGraph* graph);
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/**
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* @brief Delete selected nodes from graph (user-friendly/undoable)
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*/
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void DeleteSelected();
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void SelectAll();
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void DeselectAll();
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void Select(const QList<Node*>& nodes);
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void SelectWithDependencies(QList<Node *> nodes);
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void CopySelected(bool cut);
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void Paste();
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signals:
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/**
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* @brief Signal emitted when the selected nodes have changed
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*/
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void SelectionChanged(QList<Node*> selected_nodes);
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protected:
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virtual void keyPressEvent(QKeyEvent *event) override;
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virtual void mousePressEvent(QMouseEvent *event) override;
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virtual void mouseMoveEvent(QMouseEvent *event) override;
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virtual void wheelEvent(QWheelEvent* event) override;
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private:
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void PlaceNode(NodeViewItem* n, const QPointF& pos);
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void AttachItemToCursor(NodeViewItem* item);
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void DetachItemFromCursor();
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NodeGraph* graph_;
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NodeViewItem* attached_item_;
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NodeViewEdge* drop_edge_;
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NodeInput* drop_compatible_input_;
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NodeViewScene scene_;
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private slots:
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/**
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* @brief Internal function triggered when any change is signalled from the QGraphicsScene
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*
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* Current primary function is to inform all NodeViewEdges to re-adjust in case any Nodes have moved
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*/
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void ItemsChanged();
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/**
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* @brief Receiver for when the scene's selected items change
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*/
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void SceneSelectionChangedSlot();
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/**
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* @brief Receiver for when the user right clicks (or otherwise requests a context menu)
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*/
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void ShowContextMenu(const QPoint &pos);
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/**
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* @brief Receiver for when the user requests a new node from the add menu
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*/
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void CreateNodeSlot(QAction* action);
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};
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#endif // NODEVIEW_H
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