Paul Davis
2e30bdba9f
git-svn-id: svn://localhost/ardour2/branches/3.0@6466 d708f5d6-7413-0410-9779-e7cbd77b26cf
111 lines
2.7 KiB
C++
111 lines
2.7 KiB
C++
/*
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Copyright (C) 2008 Paul Davis
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Author: Audan Holland ??
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __ardour_piano_roll_header_h__
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#define __ardour_piano_roll_header_h__
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#include "ardour/types.h"
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#include <gtkmm/drawingarea.h>
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namespace ARDOUR {
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class MidiTrack;
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}
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class MidiTimeAxisView;
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class MidiStreamView;
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class PianoRollHeader : public Gtk::DrawingArea {
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public:
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PianoRollHeader(MidiStreamView&);
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bool on_expose_event (GdkEventExpose*);
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bool on_motion_notify_event (GdkEventMotion*);
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bool on_button_press_event (GdkEventButton*);
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bool on_button_release_event (GdkEventButton*);
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bool on_scroll_event (GdkEventScroll*);
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bool on_enter_notify_event (GdkEventCrossing*);
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bool on_leave_notify_event (GdkEventCrossing*);
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void on_size_request(Gtk::Requisition*);
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void on_size_allocate(Gtk::Allocation& a);
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void note_range_changed();
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struct Color {
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Color();
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Color(double _r, double _g, double _b);
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inline void set(const Color& c);
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double r;
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double g;
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double b;
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};
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sigc::signal<void,uint8_t> AddNoteSelection;
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sigc::signal<void,uint8_t> ToggleNoteSelection;
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sigc::signal<void,uint8_t> ExtendNoteSelection;
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private:
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static Color white;
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static Color white_highlight;
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static Color white_shade_light;
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static Color white_shade_dark;
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static Color black;
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static Color black_highlight;
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static Color black_shade_light;
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static Color black_shade_dark;
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PianoRollHeader(const PianoRollHeader&);
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enum ItemType {
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BLACK_SEPARATOR,
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BLACK_MIDDLE_SEPARATOR,
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BLACK,
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WHITE_SEPARATOR,
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WHITE_RECT,
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WHITE_CF,
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WHITE_EB,
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WHITE_DGA
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};
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void invalidate_note_range(int lowest, int highest);
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void get_path(ItemType, int note, double x[], double y[]);
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void send_note_on(uint8_t note);
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void send_note_off(uint8_t note);
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MidiStreamView& _view;
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uint8_t _event[3];
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Cairo::RefPtr<Cairo::Context> cc;
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bool _active_notes[128];
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uint8_t _highlighted_note;
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uint8_t _clicked_note;
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double _grab_y;
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bool _dragging;
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double _note_height;
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double _black_note_width;
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};
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#endif /* __ardour_piano_roll_header_h__ */
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