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 void set_note_range(VisibleNoteRange r);
74 inline uint8_t lowest_note() const { return _lowest_note; }
75 inline uint8_t highest_note() const { return _highest_note; }
77 void update_note_range(uint8_t note_num);
79 void redisplay_diskstream ();
81 inline double contents_height() const
82 { return (_trackview.current_height() - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 2); }
84 inline double note_to_y(uint8_t note) const
85 { return contents_height()
86 - (note + 1 - lowest_note()) * note_height() + 1; }
88 inline uint8_t y_to_note(double y) const
89 { return (uint8_t)((contents_height() - y - 1)
90 / contents_height() * (double)contents_note_range())
93 inline double note_height() const
94 { return contents_height() / (double)contents_note_range(); }
96 inline uint8_t contents_note_range() const
97 { return highest_note() - lowest_note() + 1; }
99 sigc::signal<void> NoteRangeChanged;
102 void setup_rec_box ();
104 void rec_data_range_ready (
105 jack_nframes_t start,
107 boost::weak_ptr<ARDOUR::Source> src);
109 void update_rec_regions (
110 boost::shared_ptr<ARDOUR::MidiModel> data,
111 jack_nframes_t start,
114 RegionView* add_region_view_internal (
115 boost::shared_ptr<ARDOUR::Region>,
117 bool recording = false);
119 void display_region(MidiRegionView* region_view, bool load_model);
120 void display_diskstream (boost::shared_ptr<ARDOUR::Diskstream> ds);
122 void update_contents_height ();
123 void draw_note_lines();
124 void apply_note_range(uint8_t lowest, uint8_t highest);
125 bool update_data_note_range(uint8_t min, uint8_t max);
127 void color_handler ();
129 void note_range_adjustment_changed();
132 double _range_sum_cache;
133 uint8_t _lowest_note; ///< currently visible
134 uint8_t _highest_note; ///< currently visible
135 uint8_t _data_note_min; ///< in data
136 uint8_t _data_note_max; ///< in data
137 ArdourCanvas::LineSet* _note_lines;
140 #endif /* __ardour_midi_streamview_h__ */