2 Copyright (C) 2002 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.
20 #ifndef __ardour_gtk_gain_meter_h__
21 #define __ardour_gtk_gain_meter_h__
26 #include <gtkmm/box.h>
27 #include <gtkmm/adjustment.h>
28 #include <gtkmm/frame.h>
29 #include <gtkmm/eventbox.h>
30 #include <gtkmm/button.h>
31 #include <gtkmm/table.h>
32 #include <gtkmm/drawingarea.h>
33 #include <gdkmm/colormap.h>
35 #include "pbd/signals.h"
37 #include "ardour/chan_count.h"
38 #include "ardour/types.h"
39 #include "ardour/session_handle.h"
41 #include "widgets/ardour_button.h"
42 #include "widgets/focus_entry.h"
43 #include "widgets/slider_controller.h"
46 #include "level_meter.h"
63 enum MeterPointChangeTarget {
65 MeterPointChangeGroup,
66 MeterPointChangeSingle
69 class GainMeterBase : virtual public sigc::trackable, ARDOUR::SessionHandlePtr
72 GainMeterBase (ARDOUR::Session*, bool horizontal, int, int);
73 virtual ~GainMeterBase ();
75 virtual void set_controls (boost::shared_ptr<ARDOUR::Route> route,
76 boost::shared_ptr<ARDOUR::PeakMeter> meter,
77 boost::shared_ptr<ARDOUR::Amp> amp,
78 boost::shared_ptr<ARDOUR::GainControl> control);
80 void update_gain_sensitive ();
81 void update_meters ();
83 const ARDOUR::ChanCount meter_channels () const;
85 void effective_gain_display ();
86 void set_width (Width, int len=0);
87 void set_meter_strip_name (const char * name);
88 void set_fader_name (const char * name);
90 virtual void setup_meters (int len=0);
91 virtual void set_type (ARDOUR::MeterType);
93 boost::shared_ptr<PBD::Controllable> get_controllable();
95 LevelMeterHBox& get_level_meter() const { return *level_meter; }
96 ArdourWidgets::SliderController& get_gain_slider() const { return *gain_slider; }
98 /** Emitted in the GUI thread when a button is pressed over the level meter;
99 * return true if the event is handled.
101 PBD::Signal1<bool, GdkEventButton *> LevelMeterButtonPress;
103 static std::string astate_string (ARDOUR::AutoState);
104 static std::string short_astate_string (ARDOUR::AutoState);
105 static std::string _astate_string (ARDOUR::AutoState, bool);
109 friend class MixerStrip;
110 friend class MeterStrip;
111 friend class RouteTimeAxisView;
112 boost::shared_ptr<ARDOUR::Route> _route;
113 boost::shared_ptr<ARDOUR::PeakMeter> _meter;
114 boost::shared_ptr<ARDOUR::Amp> _amp;
115 boost::shared_ptr<ARDOUR::GainControl> _control;
116 std::vector<sigc::connection> connections;
117 PBD::ScopedConnectionList model_connections;
120 bool next_release_selects;
122 ArdourWidgets::SliderController* gain_slider;
123 Gtk::Adjustment gain_adjustment;
124 ArdourWidgets::FocusEntry gain_display;
125 ArdourWidgets::FocusEntry peak_display;
126 Gtk::DrawingArea meter_metric_area;
127 Gtk::DrawingArea meter_ticks1_area;
128 Gtk::DrawingArea meter_ticks2_area;
129 LevelMeterHBox* level_meter;
131 sigc::connection gain_watching;
133 ArdourWidgets::ArdourButton gain_automation_state_button;
135 Gtk::Menu gain_astate_menu;
137 ArdourWidgets::ArdourButton meter_point_button;
139 Gtk::Menu meter_point_menu;
141 void set_gain_astate (ARDOUR::AutoState);
142 bool gain_astate_propagate;
143 static sigc::signal<void, ARDOUR::AutoState> ChangeGainAutomationState;
145 gint gain_automation_state_button_event (GdkEventButton *);
146 gint pan_automation_state_button_event (GdkEventButton *);
148 void gain_automation_state_changed();
150 void setup_gain_adjustment ();
154 void gain_activated ();
155 bool gain_focused (GdkEventFocus*);
160 void gain_changed ();
162 void meter_point_clicked (ARDOUR::MeterPoint);
163 void gain_unit_changed ();
165 virtual void hide_all_meters ();
167 gint meter_button_press (GdkEventButton*, uint32_t);
169 bool peak_button_press (GdkEventButton*);
170 bool peak_button_release (GdkEventButton*);
171 bool gain_key_press (GdkEventKey*);
173 Gtk::Menu* meter_menu;
174 void popup_meter_menu (GdkEventButton*);
176 void amp_stop_touch ();
177 void amp_start_touch ();
179 void set_route_group_meter_point (ARDOUR::Route&, ARDOUR::MeterPoint);
180 void set_meter_point (ARDOUR::Route&, ARDOUR::MeterPoint);
181 gint meter_press (GdkEventButton*);
182 ARDOUR::MeterPoint old_meter_point;
184 MeterPointChangeTarget meter_point_change_target;
186 void parameter_changed (const char*);
188 void reset_peak_display ();
189 void reset_route_peak_display (ARDOUR::Route*);
190 void reset_group_peak_display (ARDOUR::RouteGroup*);
192 void redraw_metrics ();
193 void on_theme_changed ();
194 void color_handler(bool);
195 ARDOUR::DataType _data_type;
196 ARDOUR::ChanCount _previous_amp_output_streams;
200 bool level_meter_button_press (GdkEventButton *);
201 PBD::ScopedConnection _level_meter_connection;
204 class GainMeter : public GainMeterBase, public Gtk::VBox
207 GainMeter (ARDOUR::Session*, int);
208 virtual ~GainMeter ();
210 virtual void set_controls (boost::shared_ptr<ARDOUR::Route> route,
211 boost::shared_ptr<ARDOUR::PeakMeter> meter,
212 boost::shared_ptr<ARDOUR::Amp> amp,
213 boost::shared_ptr<ARDOUR::GainControl> control);
216 void setup_meters (int len=0);
217 void set_type (ARDOUR::MeterType);
218 void route_active_changed ();
221 void hide_all_meters ();
223 gint meter_metrics_expose (GdkEventExpose *);
224 gint meter_ticks1_expose (GdkEventExpose *);
225 gint meter_ticks2_expose (GdkEventExpose *);
226 void on_style_changed (const Glib::RefPtr<Gtk::Style>&);
230 void meter_configuration_changed (ARDOUR::ChanCount);
231 void meter_type_changed (ARDOUR::MeterType);
233 Gtk::HBox gain_display_box;
235 Gtk::VBox fader_vbox;
237 Gtk::HBox meter_hbox;
238 Gtk::Alignment fader_alignment;
239 Gtk::Alignment meter_alignment;
240 std::vector<ARDOUR::DataType> _types;
243 #endif /* __ardour_gtk_gain_meter_h__ */