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livetrax/gtk2_ardour/piano_roll_header.h
Robin Gareus 4050ca5633
Update GPL boilerplate and (C)
Copyright-holder and year information is extracted from git log.

git history begins in 2005. So (C) from 1998..2005 is lost. Also some
(C) assignment of commits where the committer didn't use --author.
2019-08-03 15:53:15 +02:00

118 lines
2.9 KiB
C++

/*
* Copyright (C) 2008-2009 David Robillard <d@drobilla.net>
* Copyright (C) 2010-2012 Paul Davis <paul@linuxaudiosystems.com>
*
* 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 __ardour_piano_roll_header_h__
#define __ardour_piano_roll_header_h__
#include "ardour/types.h"
#include <gtkmm/drawingarea.h>
namespace ARDOUR {
class MidiTrack;
}
class MidiTimeAxisView;
class MidiStreamView;
class PublicEditor;
class PianoRollHeader : public Gtk::DrawingArea {
public:
PianoRollHeader(MidiStreamView&);
bool on_expose_event (GdkEventExpose*);
bool on_motion_notify_event (GdkEventMotion*);
bool on_button_press_event (GdkEventButton*);
bool on_button_release_event (GdkEventButton*);
bool on_scroll_event (GdkEventScroll*);
bool on_enter_notify_event (GdkEventCrossing*);
bool on_leave_notify_event (GdkEventCrossing*);
void on_size_request(Gtk::Requisition*);
void on_size_allocate(Gtk::Allocation& a);
void note_range_changed();
void set_note_highlight (uint8_t note);
struct Color {
Color();
Color(double _r, double _g, double _b);
inline void set(const Color& c);
double r;
double g;
double b;
};
sigc::signal<void,uint8_t> SetNoteSelection;
sigc::signal<void,uint8_t> AddNoteSelection;
sigc::signal<void,uint8_t> ToggleNoteSelection;
sigc::signal<void,uint8_t> ExtendNoteSelection;
private:
static Color white;
static Color white_highlight;
static Color white_shade_light;
static Color white_shade_dark;
static Color black;
static Color black_highlight;
static Color black_shade_light;
static Color black_shade_dark;
PianoRollHeader(const PianoRollHeader&);
enum ItemType {
BLACK_SEPARATOR,
BLACK_MIDDLE_SEPARATOR,
BLACK,
WHITE_SEPARATOR,
WHITE_RECT,
WHITE_CF,
WHITE_EB,
WHITE_DGA
};
void invalidate_note_range(int lowest, int highest);
void get_path(ItemType, int note, double x[], double y[]);
void send_note_on(uint8_t note);
void send_note_off(uint8_t note);
void reset_clicked_note(uint8_t, bool invalidate = true);
MidiStreamView& _view;
uint8_t _event[3];
Cairo::RefPtr<Cairo::Context> cc;
bool _active_notes[128];
uint8_t _highlighted_note;
uint8_t _clicked_note;
double _grab_y;
bool _dragging;
double _note_height;
double _black_note_width;
PublicEditor& editor() const;
};
#endif /* __ardour_piano_roll_header_h__ */