1 /*
2  * Copyright (C) 2019 Robin Gareus <robin@gareus.org>
3  *
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.
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 along
15  * with this program; if not, write to the Free Software Foundation, Inc.,
16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
17  */
18 
19 #ifndef _virtual_keyboard_window_h_
20 #define _virtual_keyboard_window_h_
21 
22 #include <gtkmm/box.h>
23 #include <gtkmm/spinbutton.h>
24 
25 #include "pbd/controllable.h"
26 #include "pbd/signals.h"
27 
28 #include "gtkmm2ext/persistent_tooltip.h"
29 
30 #include "widgets/ardour_button.h"
31 #include "widgets/ardour_dropdown.h"
32 #include "widgets/ardour_knob.h"
33 #include "widgets/slider_controller.h"
34 
35 #include "ardour_window.h"
36 #include "pianokeyboard.h"
37 
38 namespace ARDOUR {
39 	class Session;
40 }
41 
42 class VKBDControl : public PBD::Controllable
43 {
44 public:
45 	VKBDControl (const std::string& name, double normal = 127, double upper = 127)
46 		: PBD::Controllable (name, Flag (0))
47 		, _lower (0)
48 		, _upper (upper)
49 		, _normal (normal)
50 		, _value (normal)
51 	{}
52 
53 	/* Controllable API */
set_value(double v,PBD::Controllable::GroupControlDisposition gcd)54 	void set_value (double v, PBD::Controllable::GroupControlDisposition gcd)
55 	{
56 		if (v != _value) {
57 			_value = std::max (_lower, std::min (_upper, v));
58 			Changed (true, gcd);        /* EMIT SIGNAL */
59 			ValueChanged ((int)_value); /* EMIT SIGNAL */
60 		}
61 	}
62 
get_user_string()63 	std::string get_user_string () const
64 	{
65 		char buf[32];
66 		sprintf (buf, "%.0f", get_value ());
67 		return std::string (buf);
68 	}
69 
get_value()70 	double get_value () const { return _value; }
lower()71 	double lower () const { return _lower; }
upper()72 	double upper () const { return _upper; }
normal()73 	double normal () const { return _normal; }
74 
75 	PBD::Signal1<void, int> ValueChanged;
76 
77 protected:
78 	double _lower;
79 	double _upper;
80 	double _normal;
81 	double _value;
82 };
83 
84 class VirtualKeyboardWindow : public ArdourWindow
85 {
86 public:
87 	VirtualKeyboardWindow ();
88 	~VirtualKeyboardWindow ();
89 
90 	void set_session (ARDOUR::Session*);
91 
92 	XMLNode& get_state ();
93 	void     set_state (const XMLNode&);
94 
95 protected:
96 	bool on_focus_in_event (GdkEventFocus*);
97 
98 private:
99 	void on_unmap ();
100 	bool on_key_press_event (GdkEventKey*);
101 	bool on_key_release_event (GdkEventKey*);
102 
103 	void parameter_changed (std::string const&);
104 
105 	void note_on_event_handler (int, int);
106 	void note_off_event_handler (int);
107 	void control_change_event_handler (int, int);
108 	void control_change_knob_event_handler (int, int);
109 
110 	void modwheel_update_tooltip (int);
111 	void modwheel_slider_adjusted ();
112 
113 	void octave_key_event_handler (bool);
114 	void pitch_bend_key_event_handler (int, bool);
115 	bool pitch_bend_timeout ();
116 
117 	void pitch_bend_event_handler (int);
118 	void pitch_bend_release ();
119 	void pitch_bend_update_tooltip (int);
120 	void pitch_slider_adjusted ();
121 
122 	void select_keyboard_layout (std::string const&);
123 	void update_velocity_settings ();
124 	void update_octave_key ();
125 	void update_octave_range ();
126 	void cc_key_changed (size_t);
127 	void update_cc (size_t, int);
128 	bool send_panic_message (GdkEventButton*);
129 	bool on_velocity_scroll_event (GdkEventScroll*);
130 
131 	APianoKeyboard  _piano;
132 
133 	ArdourWidgets::ArdourDropdown  _midi_channel;
134 	ArdourWidgets::ArdourDropdown  _piano_velocity;
135 	ArdourWidgets::ArdourDropdown  _piano_octave_key;
136 	ArdourWidgets::ArdourDropdown  _piano_octave_range;
137 	ArdourWidgets::ArdourDropdown  _transpose_output;
138 	ArdourWidgets::ArdourButton    _send_panic;
139 
140 	boost::shared_ptr<VKBDControl>    _pitchbend;
141 	Gtk::Adjustment                   _pitch_adjustment;
142 	ArdourWidgets::VSliderController* _pitch_slider;
143 	Gtkmm2ext::PersistentTooltip*     _pitch_slider_tooltip;
144 
145 	boost::shared_ptr<VKBDControl>    _modwheel;
146 	Gtk::Adjustment                   _modwheel_adjustment;
147 	ArdourWidgets::VSliderController* _modwheel_slider;
148 	Gtkmm2ext::PersistentTooltip*     _modwheel_tooltip;
149 #define VKBD_NCTRLS 4
150 
151 	boost::shared_ptr<VKBDControl> _cc[VKBD_NCTRLS];
152 	ArdourWidgets::ArdourKnob*     _cc_knob[VKBD_NCTRLS];
153 	ArdourWidgets::ArdourDropdown  _cc_key[VKBD_NCTRLS];
154 
155 	PBD::ScopedConnectionList _cc_connections;
156 
157 	sigc::connection _bender_connection;
158 	int              _pitch_bend_target;
159 };
160 
161 #endif
162