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_inverted_selectables (Selection&, std::list<Selectable* >& results);
62 enum VisibleNoteRange {
67 Gtk::Adjustment note_range_adjustment;
68 ArdourCanvas::Group* midi_underlay_group;
70 void set_note_range(VisibleNoteRange r);
72 inline uint8_t lowest_note() const { return _lowest_note; }
73 inline uint8_t highest_note() const { return _highest_note; }
75 void update_note_range(uint8_t note_num);
77 void redisplay_track ();
79 void leave_internal_edit_mode ();
81 inline double contents_height() const
82 { return (child_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 uint8_t y_to_note(double y) const;
90 inline double note_height() const
91 { return contents_height() / (double)contents_note_range(); }
93 inline uint8_t contents_note_range() const
94 { return highest_note() - lowest_note() + 1; }
96 sigc::signal<void> NoteRangeChanged;
98 RegionView* create_region_view (boost::shared_ptr<ARDOUR::Region>, bool, bool);
100 void apply_note_range(uint8_t lowest, uint8_t highest, bool to_region_views);
102 void suspend_updates ();
103 void resume_updates ();
106 void setup_rec_box ();
107 void update_rec_box ();
109 RegionView* add_region_view_internal (
110 boost::shared_ptr<ARDOUR::Region>,
112 bool recording = false);
114 void display_region(MidiRegionView* region_view, bool load_model);
115 void display_track (boost::shared_ptr<ARDOUR::Track> tr);
117 void update_contents_height ();
119 void draw_note_lines();
120 bool update_data_note_range(uint8_t min, uint8_t max);
121 void update_contents_metrics(boost::shared_ptr<ARDOUR::Region> r);
123 void color_handler ();
125 void note_range_adjustment_changed();
126 void apply_note_range_to_regions ();
129 double _range_sum_cache;
130 uint8_t _lowest_note; ///< currently visible
131 uint8_t _highest_note; ///< currently visible
132 uint8_t _data_note_min; ///< in data
133 uint8_t _data_note_max; ///< in data
134 ArdourCanvas::LineSet* _note_lines;
135 /** true if updates to the note lines and regions are currently suspended */
136 bool _updates_suspended;
139 #endif /* __ardour_midi_streamview_h__ */