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"
47 class MidiTimeAxisView;
49 class RegionSelection;
53 class MidiStreamView : public StreamView
56 MidiStreamView (MidiTimeAxisView&);
59 void set_selected_regionviews (RegionSelection&);
60 void get_selectables (nframes_t start, nframes_t end, std::list<Selectable* >&);
61 void get_inverted_selectables (Selection&, std::list<Selectable* >& results);
63 enum VisibleNoteRange {
68 Gtk::Adjustment note_range_adjustment;
69 ArdourCanvas::Group* midi_underlay_group;
71 void set_note_range(VisibleNoteRange r);
73 inline uint8_t lowest_note() const { return _lowest_note; }
74 inline uint8_t highest_note() const { return _highest_note; }
76 void update_note_range(uint8_t note_num);
78 void redisplay_track ();
80 inline double contents_height() const
81 { return (_trackview.current_height() - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 2); }
83 inline double note_to_y(uint8_t note) const
84 { return contents_height()
85 - (note + 1 - lowest_note()) * note_height() + 1; }
87 inline uint8_t y_to_note(double y) const
88 { return (uint8_t)((contents_height() - y - 1)
89 / contents_height() * (double)contents_note_range())
92 inline double note_height() const
93 { return contents_height() / (double)contents_note_range(); }
95 inline uint8_t contents_note_range() const
96 { return highest_note() - lowest_note() + 1; }
98 sigc::signal<void> NoteRangeChanged;
100 RegionView* create_region_view (boost::shared_ptr<ARDOUR::Region>, bool, bool);
103 void setup_rec_box ();
105 void rec_data_range_ready (
108 boost::weak_ptr<ARDOUR::Source> src);
110 void update_rec_regions (
111 boost::shared_ptr<ARDOUR::MidiModel> data,
115 RegionView* add_region_view_internal (
116 boost::shared_ptr<ARDOUR::Region>,
118 bool recording = false);
120 void display_region(MidiRegionView* region_view, bool load_model);
121 void display_track (boost::shared_ptr<ARDOUR::Track> tr);
123 void update_contents_height ();
125 void draw_note_lines();
126 void apply_note_range(uint8_t lowest, uint8_t highest, bool to_region_views);
127 bool update_data_note_range(uint8_t min, uint8_t max);
128 void update_contents_metrics(boost::shared_ptr<ARDOUR::Region> r);
130 void color_handler ();
132 void note_range_adjustment_changed();
135 double _range_sum_cache;
136 uint8_t _lowest_note; ///< currently visible
137 uint8_t _highest_note; ///< currently visible
138 uint8_t _data_note_min; ///< in data
139 uint8_t _data_note_max; ///< in data
140 ArdourCanvas::LineSet* _note_lines;
143 #endif /* __ardour_midi_streamview_h__ */