widget_keyframe_list.h

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/* === S Y N F I G ========================================================= */
/* ========================================================================= */

/* === S T A R T =========================================================== */

#ifndef __SYNFIG_STUDIO_WIDGET_KEYFRAME_LIST_H
#define __SYNFIG_STUDIO_WIDGET_KEYFRAME_LIST_H

/* === H E A D E R S ======================================================= */

#include <gtkmm/drawingarea.h>
#include <gtkmm/adjustment.h>
#include <gtkmm/tooltip.h>
#include <gtkmm/window.h>
#include <synfig/keyframe.h>
#include <sigc++/connection.h>
#include <synfigapp/canvasinterface.h>


/* === M A C R O S ========================================================= */

/* === T Y P E D E F S ===================================================== */

/* === C L A S S E S & S T R U C T S ======================================= */

namespace studio {

class Widget_Keyframe_List : public Gtk::DrawingArea
{
    etl::loose_handle<synfigapp::CanvasInterface> canvas_interface_;

    Glib::RefPtr<Gtk::Adjustment> adj_default;
    Glib::RefPtr<Gtk::Adjustment> adj_timescale;

    synfig::KeyframeList default_kf_list_;
    mutable synfig::KeyframeList* kf_list_;

    float fps;

    synfig::Time time_ratio;

    bool editable_;

    bool dragging_;

    bool changed_;

    synfig::Keyframe selected_kf;
    synfig::Keyframe selected_none;
    bool selected_;

    synfig::Time selected_kf_time;

    synfig::Time dragging_kf_time;

    sigc::connection time_value_change;
    sigc::connection time_other_change;

public:

    Widget_Keyframe_List();

    ~Widget_Keyframe_List();

    void set_kf_list(synfig::KeyframeList* x);

    synfig::KeyframeList* get_kf_list()const { return kf_list_; }

    void set_editable(bool x=true) { editable_=x; }

    bool get_editable()const { return editable_; }

    void set_selected_keyframe(const synfig::Keyframe &x);

    // \return The selected keyframe
    const synfig::Keyframe& get_selected_keyframe() { return selected_kf; }

    void set_time_adjustment(const Glib::RefPtr<Gtk::Adjustment> &x);

    // \param x[in] Value for the frames per second
    void set_fps(float x);

    void set_canvas_interface(etl::loose_handle<synfigapp::CanvasInterface> h);

    bool perform_move_kf(bool delta);

    static void draw_arrow(
        const Cairo::RefPtr<Cairo::Context> &cr,
        double x, double y,
        double width, double height,
        bool fill,
        const synfig::Color &color );


/* ======================= EVENTS HANDLERS ===========================*/
    bool on_draw(const Cairo::RefPtr<Cairo::Context> &cr);

    bool on_event(GdkEvent *event);

    // \param[in] keyframe The selected keyframe
    // \param[in] emitter The widget who emit the signal
    void on_keyframe_selected(synfig::Keyframe keyframe, void* emitter);

    /*
 -- ** -- P R I V A T E   D A T A ---------------------------------------------
    */

private:

    Gtk::Window *moving_tooltip_;
    Gtk::Label *moving_tooltip_label_;
    int moving_tooltip_y_;

}; // END of class Keyframe_List

}; // END of namespace studio


/* === E N D =============================================================== */

#endif