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/*
Copyright (C) 2013-2019 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
DCP-o-matic 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.
DCP-o-matic 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.
You should have received a copy of the GNU General Public License
along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef DCPOMATIC_CONTENT_TIMELINE_H
#define DCPOMATIC_CONTENT_TIMELINE_H
#include "content_menu.h"
#include "timeline.h"
#include "timeline_content_view.h"
#include "lib/film_property.h"
#include "lib/rect.h"
#include <dcp/warnings.h>
LIBDCP_DISABLE_WARNINGS
#include <wx/wx.h>
LIBDCP_ENABLE_WARNINGS
#include <boost/signals2.hpp>
class ContentTimelineView;
class Film;
class FilmViewer;
class TimelineLabelsView;
class TimelineReelsView;
class TimelineTimeAxisView;
class ContentTimeline : public Timeline
{
public:
ContentTimeline(wxWindow *, std::shared_ptr<Film>, FilmViewer& viewer);
std::shared_ptr<Film> film();
void force_redraw(dcpomatic::Rect<int> const &);
int width() const;
int pixels_per_track() const {
return _pixels_per_track;
}
int tracks() const;
void set_snap(bool s) {
_snap = s;
}
bool snap() const {
return _snap;
}
void set_selection(ContentList selection);
enum Tool {
SELECT,
ZOOM,
ZOOM_ALL,
SNAP,
SEQUENCE
};
void tool_clicked(Tool t);
int tracks_y_offset() const;
void keypress(wxKeyEvent const &);
private:
void paint_labels();
void paint_main();
void left_down(wxMouseEvent &);
void left_down_select(wxMouseEvent &);
void left_up(wxMouseEvent &);
void left_up_select(wxMouseEvent &);
void left_up_zoom(wxMouseEvent &);
void right_down(wxMouseEvent &);
void right_down_select(wxMouseEvent &);
void mouse_moved(wxMouseEvent &);
void mouse_moved_select(wxMouseEvent &);
void mouse_moved_zoom(wxMouseEvent &);
void film_change(ChangeType type, FilmProperty);
void film_content_change(ChangeType type, int, bool frequent);
void resized();
void assign_tracks();
void set_position_from_event(wxMouseEvent& ev, bool force_emit = false);
void clear_selection();
void recreate_views();
void setup_scrollbars();
void scrolled(wxScrollWinEvent& ev);
void set_pixels_per_track(int h);
void zoom_all();
void update_playhead();
void mouse_wheel_turned(wxMouseEvent& event);
int playhead_position() const;
std::shared_ptr<ContentTimelineView> event_to_view(wxMouseEvent &);
TimelineContentViewList selected_views() const;
ContentList selected_content() const;
void maybe_snap(dcpomatic::DCPTime a, dcpomatic::DCPTime b, boost::optional<dcpomatic::DCPTime>& nearest_distance) const;
wxScrolledCanvas* _labels_canvas;
wxScrolledCanvas* _main_canvas;
std::weak_ptr<Film> _film;
FilmViewer& _viewer;
ContentTimelineViewList _views;
std::shared_ptr<TimelineTimeAxisView> _time_axis_view;
std::shared_ptr<TimelineReelsView> _reels_view;
std::shared_ptr<TimelineLabelsView> _labels_view;
int _tracks;
bool _left_down;
wxPoint _down_point;
boost::optional<wxPoint> _zoom_point;
std::vector<std::pair<std::shared_ptr<TimelineContentView>, dcpomatic::DCPTime>> _dragging_views;
bool _first_move;
ContentMenu _menu;
bool _snap;
std::list<dcpomatic::DCPTime> _start_snaps;
std::list<dcpomatic::DCPTime> _end_snaps;
Tool _tool;
int _x_scroll_rate;
int _y_scroll_rate;
int _pixels_per_track;
wxTimer _timer;
boost::optional<int> _last_mouse_wheel_x;
boost::optional<double> _last_mouse_wheel_time;
boost::optional<int> _last_drawn_playhead;
static int const _minimum_pixels_per_track;
boost::signals2::scoped_connection _film_changed_connection;
boost::signals2::scoped_connection _film_content_change_connection;
};
#endif
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