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"
44 namespace ArdourCanvas {
50 class MidiTimeAxisView;
52 class RegionSelection;
56 class MidiStreamView : public StreamView
59 MidiStreamView (MidiTimeAxisView&);
62 void set_selected_regionviews (RegionSelection&);
63 void get_inverted_selectables (Selection&, std::list<Selectable* >& results);
65 enum VisibleNoteRange {
70 Gtk::Adjustment note_range_adjustment;
71 ArdourCanvas::Container* midi_underlay_group;
73 void set_note_range(VisibleNoteRange r);
75 inline uint8_t lowest_note() const { return _lowest_note; }
76 inline uint8_t highest_note() const { return _highest_note; }
78 void update_note_range(uint8_t note_num);
80 void redisplay_track ();
82 void leave_internal_edit_mode ();
84 inline double contents_height() const
85 { return (child_height() - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 2); }
87 inline double note_to_y(uint8_t note) const
88 { return contents_height()
89 - (note + 1 - lowest_note()) * note_height() + 1; }
91 uint8_t y_to_note(double y) const;
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;
101 RegionView* create_region_view (boost::shared_ptr<ARDOUR::Region>, bool, bool);
103 void apply_note_range(uint8_t lowest, uint8_t highest, bool to_region_views);
105 void suspend_updates ();
106 void resume_updates ();
109 void setup_rec_box ();
110 void update_rec_box ();
112 RegionView* add_region_view_internal (
113 boost::shared_ptr<ARDOUR::Region>,
115 bool recording = false);
117 void display_region(MidiRegionView* region_view, bool load_model);
118 void display_track (boost::shared_ptr<ARDOUR::Track> tr);
120 void update_contents_height ();
122 void draw_note_lines();
123 bool update_data_note_range(uint8_t min, uint8_t max);
124 void update_contents_metrics(boost::shared_ptr<ARDOUR::Region> r);
126 void color_handler ();
128 void note_range_adjustment_changed();
129 void apply_note_range_to_regions ();
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;
138 /** true if updates to the note lines and regions are currently suspended */
139 bool _updates_suspended;
142 #endif /* __ardour_midi_streamview_h__ */