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livetrax/gtk2_ardour/mini_timeline.h

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/*
* Copyright (C) 2016 Robin Gareus <robin@gareus.org>
*
* This program 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 program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef __gtkardour_mini_timeline_h__
#define __gtkardour_mini_timeline_h__
#include <list>
#include <pangomm.h>
#include "pbd/signals.h"
#include "ardour/ardour.h"
#include "ardour/session_handle.h"
#include "gtkmm2ext/cairo_widget.h"
#include "gtkmm2ext/utils.h"
#include "audio_clock.h"
namespace ARDOUR {
class Session;
}
class MiniTimeline : public CairoWidget, public ARDOUR::SessionHandlePtr, public PBD::ScopedConnectionList
{
public:
MiniTimeline ();
~MiniTimeline ();
void set_session (ARDOUR::Session *);
private:
void session_going_away ();
void super_rapid_update ();
void on_size_request (Gtk::Requisition*);
void on_size_allocate (Gtk::Allocation&);
void on_style_changed (const Glib::RefPtr<Gtk::Style>&);
void on_name_changed ();
void set_colors ();
void parameter_changed (std::string const &);
void calculate_time_width ();
void calculate_time_spacing ();
void update_minitimeline ();
void draw_dots (cairo_t*, int left, int right, int y, ArdourCanvas::Color);
int draw_mark (cairo_t*, int x0, int x1, int h, const std::string&);
void render (cairo_t*, cairo_rectangle_t*);
void format_time (framepos_t when);
bool on_button_release_event (GdkEventButton *ev);
bool on_scroll_event (GdkEventScroll*);
Glib::RefPtr<Pango::Layout> _layout;
sigc::connection super_rapid_connection;
PBD::ScopedConnectionList marker_connection;
PBD::ScopedConnectionList session_connection;
framepos_t _last_update_frame;
AudioClock::Mode _clock_mode;
int _time_width;
int _time_height;
int _n_labels;
double _px_per_sample;
framepos_t _time_granularity;
framepos_t _time_span_samples;
struct JumpRange {
JumpRange (int l, int r, framepos_t t)
: left (l), right (r), to (t) {}
int left;
int right;
framepos_t to;
};
typedef std::list <JumpRange> JumpList;
JumpList _jumplist;
};
#endif