136 lines
3.6 KiB
C++
136 lines
3.6 KiB
C++
/*
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* Copyright (C) 2008-2009 David Robillard <d@drobilla.net>
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* Copyright (C) 2010-2012 Paul Davis <paul@linuxaudiosystems.com>
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*
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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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*
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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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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#pragma once
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#include <pangomm/layout.h>
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#include <glibmm/refptr.h>
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#include "ardour/types.h"
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#include "canvas/rectangle.h"
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#include <gtkmm/adjustment.h>
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namespace ARDOUR {
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class MidiTrack;
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}
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class MidiView;
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class MidiViewBackground;
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class EditingContext;
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namespace ArdourCanvas {
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class PianoRollHeader : public ArdourCanvas::Rectangle {
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public:
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PianoRollHeader (ArdourCanvas::Item* parent, MidiViewBackground&);
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void size_request (double& w, double& h) const;
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void render (ArdourCanvas::Rect const & area, Cairo::RefPtr<Cairo::Context>) const;
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void instrument_info_change ();
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void note_range_changed();
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void set_note_highlight (uint8_t note);
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sigc::signal<void,uint8_t> SetNoteSelection;
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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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void set_view (MidiView*);
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private:
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MidiViewBackground& _midi_context;
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Gtk::Adjustment& _adj;
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MidiView* _view;
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uint8_t _event[3];
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mutable Glib::RefPtr<Pango::Layout> _layout;
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mutable Glib::RefPtr<Pango::Layout> _big_c_layout;
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mutable Glib::RefPtr<Pango::Layout> _midnam_layout;
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mutable Pango::FontDescription _font_descript;
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Pango::FontDescription _font_descript_big_c;
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mutable Pango::FontDescription _font_descript_midnam;
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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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mutable double _scroomer_size;
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bool _scroomer_drag;
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double _old_y;
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double _fract;
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double _fract_top;
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double _min_page_size;
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enum scr_pos {TOP, BOTTOM, MOVE, NONE};
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scr_pos _scroomer_state;
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scr_pos _scroomer_button_state;
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double _saved_top_val;
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double _saved_bottom_val;
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mutable bool _mini_map_display;
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bool entered;
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// void on_size_request(Gtk::Requisition*);
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struct NoteName {
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std::string name;
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bool from_midnam;
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};
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NoteName note_names[128];
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bool have_note_names;
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PBD::ScopedConnection height_connection;
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void set_min_page_size (double page_size);
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void render_scroomer (Cairo::RefPtr<Cairo::Context>) const;
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NoteName get_note_name (int note);
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bool event_handler (GdkEvent*);
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bool motion_handler (GdkEventMotion*);
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bool button_press_handler (GdkEventButton*);
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bool button_release_handler (GdkEventButton*);
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bool scroll_handler (GdkEventScroll*);
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bool enter_handler (GdkEventCrossing*);
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bool leave_handler (GdkEventCrossing*);
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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 (int note, double x[], double y[]) const;
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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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void reset_clicked_note (uint8_t, bool invalidate = true);
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bool show_scroomer () const;
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void resize ();
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};
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}
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