a-fluidsynth: implement LV2_BANKPATCH__notify
[ardour.git] / gtk2_ardour / patch_change_widget.h
1 /*
2  * Copyright (C) 2017 Robin Gareus <robin@gareus.org>
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License
6  * as published by the Free Software Foundation; either version 2
7  * of the License, or (at your option) any later version.
8  *
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.
13  *
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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
17  */
18
19 #ifndef __gtkardour_patch_change_widget_h__
20 #define __gtkardour_patch_change_widget_h__
21
22 #include <gtkmm/box.h>
23 #include <gtkmm/spinbutton.h>
24 #include <gtkmm/table.h>
25
26 #include "pbd/signals.h"
27
28 #include "ardour/route.h"
29
30 #include "widgets/ardour_button.h"
31 #include "widgets/ardour_dropdown.h"
32
33 #include "ardour_dialog.h"
34 #include "gtk_pianokeyboard.h"
35
36 class PatchChangeWidget : public Gtk::VBox
37 {
38 public:
39         PatchChangeWidget (boost::shared_ptr<ARDOUR::Route>);
40         ~PatchChangeWidget ();
41
42 protected:
43         int bank (uint8_t) const;
44         uint8_t program (uint8_t) const;
45
46         void on_show ();
47         void on_hide ();
48
49 private:
50         boost::shared_ptr<ARDOUR::Route> _route;
51
52         ArdourWidgets::ArdourDropdown _channel_select;
53         ArdourWidgets::ArdourDropdown _bank_select;
54         Gtk::SpinButton               _bank_msb_spin;
55         Gtk::SpinButton               _bank_lsb_spin;
56         ArdourWidgets::ArdourButton   _program_btn[128];
57         Gtk::Table                    _program_table;
58
59         uint8_t _channel;
60         bool    _ignore_spin_btn_signals;
61
62         void select_channel (uint8_t);
63         void select_bank (uint32_t);
64         void select_bank_spin ();
65         void select_program (uint8_t);
66
67         void bank_changed ();
68         void program_changed ();
69
70         void refill_banks ();
71         void refill_program_list ();
72
73         void instrument_info_changed ();
74
75         PBD::ScopedConnection _info_changed_connection;
76         PBD::ScopedConnection _route_connection;
77         PBD::ScopedConnectionList _ac_connections;
78
79         ARDOUR::InstrumentInfo& _info;
80         boost::shared_ptr<MIDI::Name::PatchBank> _current_patch_bank;
81
82         void audition_toggle ();
83         void check_note_range (bool);
84         void audition ();
85         void cancel_audition ();
86         bool audition_next ();
87         sigc::connection _note_queue_connection;
88
89         ArdourWidgets::ArdourButton _audition_enable;
90         Gtk::SpinButton             _audition_start_spin; // Consider a click-box w/note-names
91         Gtk::SpinButton             _audition_end_spin;
92         Gtk::SpinButton             _audition_velocity;
93         uint8_t                     _audition_note_num;
94         bool                        _audition_note_on;
95
96         PianoKeyboard* _piano;
97         Gtk::Widget*   _pianomm;
98
99         static void _note_on_event_handler (GtkWidget*, int, gpointer);
100         static void _note_off_event_handler (GtkWidget*, int, gpointer);
101         void note_on_event_handler (int);
102         void note_off_event_handler (int);
103 };
104
105 class PatchChangeGridDialog : public ArdourDialog
106 {
107 public:
108         PatchChangeGridDialog (std::string const&, boost::shared_ptr<ARDOUR::Route>);
109         void on_hide () { w.hide (); ArdourDialog::on_hide (); }
110         void on_show () { w.show (); ArdourDialog::on_show (); }
111
112 private:
113         PatchChangeWidget w;
114 };
115
116 #endif