File indexing completed on 2025-02-02 04:11:34

 /*
  * SPDX-FileCopyrightText: 2019-2023 Mattia Basaglia <dev@dragon.best>
  *
  * SPDX-License-Identifier: GPL-3.0-or-later
  */
 
 #pragma once
 
 #include <memory>
 
 #include <QGraphicsView>
 
 #include "model/document.hpp"
 #include "item_models/property_model_full.hpp"
 #include "item_models/comp_filter_model.hpp"
 
 
 class QTreeView;
 class QItemSelection;
 
 namespace glaxnimate::gui {
 
 class TimelineWidget : public QGraphicsView
 {
     Q_OBJECT
     
 public:
     TimelineWidget(QWidget* parent = nullptr);
     ~TimelineWidget();
     
 //     void clear();
 
     void set_model(item_models::CompFilterModel* model, item_models::PropertyModelFull* base_model, QTreeView* expander);
 
     int row_height() const;
     void set_row_height(int w);
     int header_height() const;
 
     qreal highlighted_time() const;
     void set_highlighted_time(int time);
     void keep_highlight();
     
     void select(const QItemSelection &selected, const QItemSelection &deselected);
     
     item_models::PropertyModelBase::Item item_at(const QPoint& viewport_pos);
     std::pair<model::KeyframeBase*, model::KeyframeBase*> keyframe_at(const QPoint& viewport_pos);
 
     void expand(const QModelIndex& obj);
     void collapse(const QModelIndex& obj);
     void set_document(model::Document* document);
 
     /**
      * \brief Toggles debug prints for the line items
      */
     void toggle_debug(bool debug);
 
     /**
      * \brief Prints debugging info about the line items
      */
     void debug_lines() const;
 
 public Q_SLOTS:
     void update_timeline_start(model::FrameTime start);
     void update_timeline_end(model::FrameTime end);
     void reset_view();
 
 private Q_SLOTS:
     void update_comp(model::Composition* comp);
 
 private:
     void model_rows_added(const QModelIndex& parent, int first, int last);
     void model_rows_removed(const QModelIndex& parent, int first, int last);
     void model_rows_moved(const QModelIndex &parent, int start, int end, const QModelIndex &destination, int row);
     void model_reset();
     void on_item_removed(quintptr id);
     void emit_clicked();
 
 protected:    
     void mousePressEvent(QMouseEvent * event) override;
     void mouseReleaseEvent(QMouseEvent * event) override;
     void wheelEvent(QWheelEvent * event) override;
     void paintEvent(QPaintEvent * event) override;
     void resizeEvent(QResizeEvent * event) override;
     void scrollContentsBy(int dx, int dy) override;
     void mouseMoveEvent(QMouseEvent * event) override;
     void leaveEvent(QEvent * event) override;
 #if QT_VERSION_MAJOR < 6
     void enterEvent(QEvent * event) override;
 #else
     void enterEvent(QEnterEvent * event) override;
 #endif
     void keyPressEvent(QKeyEvent * event) override;
     
 Q_SIGNALS:
     void frame_clicked(int frame);
     void line_clicked(quintptr id, bool selected, bool replace_selection);
     void scrolled(int line);
     
 private:
     class Private;
     
     std::unique_ptr<Private> d;
 };
 
 } // namespace glaxnimate::gui