forward port automation handling changes from 2.x, upto and including about rev 6981...
[ardour.git] / gtk2_ardour / panner_ui.h
1 /*
2     Copyright (C) 2004 Paul Davis
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
15     along with this program; if not, write to the Free Software
16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
17
18 */
19
20 #ifndef __ardour_gtk_panner_ui_h__
21 #define __ardour_gtk_panner_ui_h__
22
23 #include <vector>
24
25 #include <gtkmm/box.h>
26 #include <gtkmm/adjustment.h>
27 #include <gtkmm/viewport.h>
28 #include <gtkmm/eventbox.h>
29 #include <gtkmm/arrow.h>
30 #include <gtkmm/togglebutton.h>
31 #include <gtkmm/button.h>
32
33 #include <gtkmm2ext/click_box.h>
34 #include <gtkmm2ext/slider_controller.h>
35
36 #include "ardour/session_handle.h"
37
38 #include "enums.h"
39
40 class Panner2d;
41 class PannerBar;
42 class Panner2dWindow;
43
44 namespace ARDOUR {
45         class Session;
46         class Panner;
47         class Delivery;
48         class AutomationControl;
49 }
50
51 namespace Gtkmm2ext {
52         class FastMeter;
53 }
54
55 namespace Gtk {
56         class Menu;
57         class Menuitem;
58 }
59
60 class PannerUI : public Gtk::HBox, public ARDOUR::SessionHandlePtr
61 {
62   public:
63         PannerUI (ARDOUR::Session*);
64         ~PannerUI ();
65
66         virtual void set_panner (boost::shared_ptr<ARDOUR::Panner>);
67
68         void pan_changed (void *);
69
70         void update_pan_sensitive ();
71         void update_gain_sensitive ();
72
73         void set_width (Width);
74         void setup_pan ();
75
76         void effective_pan_display ();
77
78         void set_meter_strip_name (std::string name);
79         boost::shared_ptr<PBD::Controllable> get_controllable();
80
81         void set_mono (bool);
82
83   private:
84         friend class MixerStrip;
85
86         boost::shared_ptr<ARDOUR::Panner> _panner;
87         PBD::ScopedConnectionList connections;
88         PBD::ScopedConnectionList _pan_control_connections;
89
90         bool ignore_toggle;
91         bool in_pan_update;
92         int _current_nouts;
93         int _current_npans;
94
95         static const int pan_bar_height;
96
97         Panner2d*       twod_panner; ///< 2D panner, or 0
98         Panner2dWindow* big_window;
99
100         Gtk::VBox           pan_bar_packer;
101         Gtk::Adjustment     hAdjustment;
102         Gtk::Adjustment     vAdjustment;
103         Gtk::Viewport       panning_viewport;
104         Gtk::EventBox       panning_up;
105         Gtk::Arrow          panning_up_arrow;
106         Gtk::EventBox       panning_down;
107         Gtk::Arrow          panning_down_arrow;
108         Gtk::VBox           pan_vbox;
109         Width              _width;
110
111         Gtk::ToggleButton   panning_link_button;
112         Gtk::Button         panning_link_direction_button;
113         Gtk::HBox           panning_link_box;
114
115         bool panning_link_button_press (GdkEventButton*);
116         bool panning_link_button_release (GdkEventButton*);
117
118         Gtk::Menu* pan_astate_menu;
119         Gtk::Menu* pan_astyle_menu;
120
121         Gtk::Button pan_automation_style_button;
122         Gtk::ToggleButton pan_automation_state_button;
123
124         void panning_link_direction_clicked ();
125
126         std::vector<Gtk::Adjustment*> pan_adjustments;
127         std::vector<PannerBar*> pan_bars;
128
129         void pan_adjustment_changed (uint32_t which);
130         void pan_value_changed (uint32_t which);
131         void update_pan_bars (bool only_if_aplay);
132         void update_pan_linkage ();
133         void update_pan_state ();
134         void build_astate_menu ();
135         void build_astyle_menu ();
136
137         void panner_changed ();
138
139         void hide_pans ();
140
141         void panner_moved (int which);
142         void panner_bypass_toggled ();
143
144         gint start_pan_touch (GdkEventButton*);
145         gint end_pan_touch (GdkEventButton*);
146
147         bool pan_button_event (GdkEventButton*, uint32_t which);
148
149         void connect_to_pan_control (uint32_t);
150
151         Gtk::Menu* pan_menu;
152         Gtk::CheckMenuItem* bypass_menu_item;
153         void build_pan_menu (uint32_t which);
154         void pan_mute (uint32_t which);
155         void pan_reset (uint32_t);
156         void pan_reset_all ();
157         void pan_bypass_toggle ();
158
159         void pan_automation_state_changed();
160         void pan_automation_style_changed();
161         gint pan_automation_style_button_event (GdkEventButton *);
162         gint pan_automation_state_button_event (GdkEventButton *);
163         sigc::connection pan_watching;
164
165         std::string astate_string (ARDOUR::AutoState);
166         std::string short_astate_string (ARDOUR::AutoState);
167         std::string _astate_string (ARDOUR::AutoState, bool);
168
169         std::string astyle_string (ARDOUR::AutoStyle);
170         std::string short_astyle_string (ARDOUR::AutoStyle);
171         std::string _astyle_string (ARDOUR::AutoStyle, bool);
172
173         void start_touch (boost::weak_ptr<ARDOUR::AutomationControl>);
174         void stop_touch (boost::weak_ptr<ARDOUR::AutomationControl>);
175 };
176
177 #endif /* __ardour_gtk_panner_ui_h__ */
178