/* === S Y N F I G ========================================================= */
/*! \file widgets/widget_curves.h
** \brief Template Header
**
** $Id$
**
** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
** ......... ... 2018 Ivan Mahonin
**
** This package is free software; you can redistribute it and/or
** modify it under the terms of the GNU General Public License as
** published by the Free Software Foundation; either version 2 of
** the License, or (at your option) any later version.
**
** This package is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
** General Public License for more details.
** \endlegal
*/
/* ========================================================================= */
/* === S T A R T =========================================================== */
#ifndef __SYNFIG_STUDIO_WIDGET_CURVES_H
#define __SYNFIG_STUDIO_WIDGET_CURVES_H
/* === H E A D E R S ======================================================= */
#include <list>
#include <gtkmm/drawingarea.h>
#include <gtkmm/adjustment.h>
#include <synfigapp/value_desc.h>
#include <synfigapp/canvasinterface.h>
#include <gui/timemodel.h>
#include "selectdraghelper.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 synfigapp {
namespace Action {
class PassiveGrouper;
}
}
namespace studio {
struct TimePlotData;
class Widget_Curves: public Gtk::DrawingArea
{
friend class ChannelPointSD;
private:
struct Channel;
struct CurveStruct;
struct ChannelPoint {
std::list<CurveStruct>::iterator curve_it;
synfig::TimePoint time_point;
size_t channel_idx;
ChannelPoint();
ChannelPoint(std::list<CurveStruct>::iterator &curve_it, const synfig::TimePoint time_point, size_t channel_idx);
void invalidate();
bool is_valid() const;
bool is_draggable() const;
bool operator ==(const ChannelPoint &b) const;
bool operator !=(const ChannelPoint &b) const {return !operator==(b);}
synfig::Real get_value(synfig::Real time_tolerance) const;
};
class ChannelPointSD : public SelectDragHelper<ChannelPoint> {
Widget_Curves & widget;
public:
ChannelPointSD(Widget_Curves &widget);
virtual ~ChannelPointSD() override {}
void get_item_position(const ChannelPoint &item, Gdk::Point &position) override;
bool find_item_at_position(int pos_x, int pos_y, ChannelPoint & cp) override;
bool find_items_in_rect(Gdk::Rectangle rect, std::vector<ChannelPoint> & list) override;
void get_all_items(std::vector<ChannelPoint> & items) override;
void delta_drag(int total_dx, int total_dy, bool by_keys) override;
// Check if waypoint (of curve_it at time_point no matter channel) is selected
bool is_waypoint_selected(const ChannelPoint& point) const;
} channel_point_sd;
etl::handle<synfigapp::CanvasInterface> canvas_interface;
Glib::RefPtr<Gtk::Adjustment> range_adjustment;
std::list<CurveStruct> curve_list;
std::list<sigc::connection> value_desc_changed;
TimePlotData * time_plot_data;
int waypoint_edge_length;
std::vector<std::pair<synfig::Waypoint, std::list<CurveStruct>::iterator> > overlapped_waypoints;
void on_waypoint_clicked(const ChannelPoint &cp, unsigned int button, Gdk::Point /*point*/);
void on_waypoint_double_clicked(const ChannelPoint &cp, unsigned int button, Gdk::Point /*point*/);
sigc::signal<void, synfigapp::ValueDesc, std::set<synfig::Waypoint,std::less<synfig::UniqueID> >, int> signal_waypoint_clicked_;
sigc::signal<void, synfigapp::ValueDesc, std::set<synfig::Waypoint,std::less<synfig::UniqueID> >, int> signal_waypoint_double_clicked_;
public:
Widget_Curves();
~Widget_Curves();
const Glib::RefPtr<Gtk::Adjustment>& get_range_adjustment() const { return range_adjustment; }
const etl::handle<TimeModel>& get_time_model() const;
void set_time_model(const etl::handle<TimeModel> &x);
void set_value_descs(etl::handle<synfigapp::CanvasInterface> canvas_interface_, const std::list< std::pair<std::string, synfigapp::ValueDesc> > &data);
void clear();
void refresh();
void zoom_in();
void zoom_out();
void zoom_100();
void set_zoom(double new_zoom_factor);
double get_zoom() const;
void scroll_up();
void scroll_down();
void pan(int dx, int dy, int total_dx, int total_dy);
void select_all_points();
sigc::signal<void, synfigapp::ValueDesc,std::set<synfig::Waypoint,std::less<synfig::UniqueID> >, int>& signal_waypoint_clicked() { return signal_waypoint_clicked_; }
sigc::signal<void, synfigapp::ValueDesc,std::set<synfig::Waypoint,std::less<synfig::UniqueID> >, int>& signal_waypoint_double_clicked() { return signal_waypoint_double_clicked_; }
protected:
bool on_event(GdkEvent *event);
bool on_draw(const Cairo::RefPtr<Cairo::Context> &cr);
void delete_selected();
bool add_waypoint_to(int point_x, int point_y);
}; // END of class Widget_Curves
}; // END of namespace studio
/* === E N D =============================================================== */
#endif