2 Copyright (C) 2001, 2006 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 #ifndef __ardour_midi_streamview_h__
20 #define __ardour_midi_streamview_h__
25 #include <ardour/location.h>
27 #include "streamview.h"
28 #include "time_axis_view_item.h"
29 #include "route_time_axis.h"
48 class MidiTimeAxisView;
50 class RegionSelection;
54 class MidiStreamView : public StreamView
57 MidiStreamView (MidiTimeAxisView&);
60 void set_selected_regionviews (RegionSelection&);
61 void get_selectables (jack_nframes_t start, jack_nframes_t end, list<Selectable* >&);
62 void get_inverted_selectables (Selection&, list<Selectable* >& results);
64 enum VisibleNoteRange {
69 Gtk::Adjustment note_range_adjustment;
70 ArdourCanvas::Group* midi_underlay_group;
72 VisibleNoteRange note_range() { return _range; }
73 void set_note_range(VisibleNoteRange r);
74 void set_note_range(uint8_t lowest, uint8_t highest);
76 uint8_t lowest_note() const { return (_range == FullRange) ? 0 : _lowest_note; }
77 uint8_t highest_note() const { return (_range == FullRange) ? 127 : _highest_note; }
79 void update_bounds(uint8_t note_num);
81 void redisplay_diskstream ();
83 inline double contents_height() const
84 { return (_trackview.height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 2); }
86 inline double note_to_y(uint8_t note) const
87 { return contents_height()
88 - (note + 1 - _lowest_note) * note_height() + 1; }
90 inline uint8_t y_to_note(double y) const
91 { return (uint8_t)((contents_height() - y - 1)
92 / contents_height() * (double)contents_note_range())
95 inline double note_height() const
96 { return contents_height() / (double)contents_note_range(); }
98 inline uint8_t contents_note_range() const
99 { return _highest_note - _lowest_note + 1; }
101 sigc::signal<void> NoteRangeChanged;
104 void setup_rec_box ();
105 void rec_data_range_ready (jack_nframes_t start, jack_nframes_t dur, boost::weak_ptr<ARDOUR::Source> src);
106 void update_rec_regions (boost::shared_ptr<ARDOUR::MidiModel> data, jack_nframes_t start, jack_nframes_t dur);
108 RegionView* add_region_view_internal (boost::shared_ptr<ARDOUR::Region>, bool wait_for_waves);
109 void display_region(MidiRegionView* region_view, bool load_model);
110 void display_diskstream (boost::shared_ptr<ARDOUR::Diskstream> ds);
112 void update_contents_y_position_and_height ();
113 void draw_note_lines();
115 void color_handler ();
117 void note_range_adjustment_changed();
119 VisibleNoteRange _range;
120 double _range_sum_cache;
121 uint8_t _lowest_note;
122 uint8_t _highest_note;
123 ArdourCanvas::Lineset* _note_lines;
126 #endif /* __ardour_midi_streamview_h__ */