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/*
* 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__ */
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