timeline.h

Go to the documentation of this file.

#pragma once
 
#include <QComboBox>
#include <QResizeEvent>
#include <QWidget>
 
namespace Gui
{
 
    /// \class Timeline
    /// \brief A custom QWidget to represent a timeline with keyframes.
    class Timeline : public QWidget
    {
        Q_OBJECT
      public:
        ///
        /// \brief Constructor for the Timeline class.
        /// \param parent The parent QWidget
        ///
        explicit Timeline(QWidget* parent = nullptr);
 
        ///
        /// \brief Get the active agent ID
        /// \return The ID of the active agent
        ///
        inline int
        GetActiveAgent()
        {
            return m_activeAgentId;
        }
 
        ///
        /// \brief Get the current timestamp
        /// \return The current timestamp
        ///
        inline float
        GetTimeStamp()
        {
            return m_timeStamp;
        }
 
      protected:
        ///
        /// \brief Paint event handler
        /// \param event The paint event
        ///
        void paintEvent(QPaintEvent* event) override;
 
        ///
        /// \brief Mouse release event handler
        /// \param event The mouse release event
        ///
        void mouseReleaseEvent(QMouseEvent* event) override;
 
        ///
        /// \brief Resize event handler
        /// \param event The resize event
        ///
        void resizeEvent(QResizeEvent* event) override;
      signals:
        ///
        /// \brief Signal that is emitted when a timestamp is selected
        /// \param timeStamp The selected timestamp
        ///
        void timeStampSelected(float timeStamp);
 
      private:
        float m_timeStamp;       ///< The current timestamp
        int m_activeAgentId;     ///< ID of the active agent
        float m_pixelsPerSecond; ///< Pixels per second on the timeline
    };
 
} // namespace Gui