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"
43 #include "gtkmm2ext/click_box.h"
44 #include "gtkmm2ext/focus_entry.h"
45 #include "gtkmm2ext/slider_controller.h"
48 #include "level_meter.h"
67 enum MeterPointChangeTarget {
69 MeterPointChangeGroup,
70 MeterPointChangeSingle
73 class GainMeterBase : virtual public sigc::trackable, ARDOUR::SessionHandlePtr
76 GainMeterBase (ARDOUR::Session*, bool horizontal, int, int);
77 virtual ~GainMeterBase ();
79 virtual void set_controls (boost::shared_ptr<ARDOUR::Route> route,
80 boost::shared_ptr<ARDOUR::PeakMeter> meter,
81 boost::shared_ptr<ARDOUR::Amp> amp,
82 boost::shared_ptr<ARDOUR::GainControl> control);
84 void update_gain_sensitive ();
85 void update_meters ();
87 const ARDOUR::ChanCount meter_channels () const;
89 void effective_gain_display ();
90 void set_width (Width, int len=0);
91 void set_meter_strip_name (const char * name);
92 void set_fader_name (const char * name);
94 virtual void setup_meters (int len=0);
95 virtual void set_type (ARDOUR::MeterType);
97 boost::shared_ptr<PBD::Controllable> get_controllable();
99 LevelMeterHBox& get_level_meter() const { return *level_meter; }
100 Gtkmm2ext::SliderController& get_gain_slider() const { return *gain_slider; }
102 /** Emitted in the GUI thread when a button is pressed over the level meter;
103 * return true if the event is handled.
105 PBD::Signal1<bool, GdkEventButton *> LevelMeterButtonPress;
107 static std::string astate_string (ARDOUR::AutoState);
108 static std::string short_astate_string (ARDOUR::AutoState);
109 static std::string _astate_string (ARDOUR::AutoState, bool);
113 friend class MixerStrip;
114 friend class MeterStrip;
115 friend class RouteTimeAxisView;
116 boost::shared_ptr<ARDOUR::Route> _route;
117 boost::shared_ptr<ARDOUR::PeakMeter> _meter;
118 boost::shared_ptr<ARDOUR::Amp> _amp;
119 boost::shared_ptr<ARDOUR::GainControl> _control;
120 std::vector<sigc::connection> connections;
121 PBD::ScopedConnectionList model_connections;
124 bool next_release_selects;
126 Gtkmm2ext::SliderController *gain_slider;
127 Gtk::Adjustment gain_adjustment;
128 Gtkmm2ext::FocusEntry gain_display;
129 Gtkmm2ext::FocusEntry peak_display;
130 Gtk::DrawingArea meter_metric_area;
131 Gtk::DrawingArea meter_ticks1_area;
132 Gtk::DrawingArea meter_ticks2_area;
133 LevelMeterHBox *level_meter;
135 sigc::connection gain_watching;
137 ArdourWidgets::ArdourButton gain_automation_state_button;
139 Gtk::Menu gain_astate_menu;
141 ArdourWidgets::ArdourButton meter_point_button;
143 Gtk::Menu meter_point_menu;
145 void set_gain_astate (ARDOUR::AutoState);
146 bool gain_astate_propagate;
147 static sigc::signal<void, ARDOUR::AutoState> ChangeGainAutomationState;
149 gint gain_automation_state_button_event (GdkEventButton *);
150 gint pan_automation_state_button_event (GdkEventButton *);
152 void gain_automation_state_changed();
154 void setup_gain_adjustment ();
158 void gain_activated ();
159 bool gain_focused (GdkEventFocus*);
164 void gain_changed ();
166 void meter_point_clicked (ARDOUR::MeterPoint);
167 void gain_unit_changed ();
169 virtual void hide_all_meters ();
171 gint meter_button_press (GdkEventButton*, uint32_t);
173 bool peak_button_press (GdkEventButton*);
174 bool peak_button_release (GdkEventButton*);
175 bool gain_key_press (GdkEventKey*);
177 Gtk::Menu* meter_menu;
178 void popup_meter_menu (GdkEventButton*);
180 void amp_stop_touch ();
181 void amp_start_touch ();
183 void set_route_group_meter_point (ARDOUR::Route&, ARDOUR::MeterPoint);
184 void set_meter_point (ARDOUR::Route&, ARDOUR::MeterPoint);
185 gint meter_press (GdkEventButton*);
186 ARDOUR::MeterPoint old_meter_point;
188 MeterPointChangeTarget meter_point_change_target;
190 void parameter_changed (const char*);
192 void reset_peak_display ();
193 void reset_route_peak_display (ARDOUR::Route*);
194 void reset_group_peak_display (ARDOUR::RouteGroup*);
196 void redraw_metrics ();
197 void on_theme_changed ();
198 void color_handler(bool);
199 ARDOUR::DataType _data_type;
200 ARDOUR::ChanCount _previous_amp_output_streams;
204 bool level_meter_button_press (GdkEventButton *);
205 PBD::ScopedConnection _level_meter_connection;
208 class GainMeter : public GainMeterBase, public Gtk::VBox
211 GainMeter (ARDOUR::Session*, int);
212 virtual ~GainMeter ();
214 virtual void set_controls (boost::shared_ptr<ARDOUR::Route> route,
215 boost::shared_ptr<ARDOUR::PeakMeter> meter,
216 boost::shared_ptr<ARDOUR::Amp> amp,
217 boost::shared_ptr<ARDOUR::GainControl> control);
220 void setup_meters (int len=0);
221 void set_type (ARDOUR::MeterType);
222 void route_active_changed ();
225 void hide_all_meters ();
227 gint meter_metrics_expose (GdkEventExpose *);
228 gint meter_ticks1_expose (GdkEventExpose *);
229 gint meter_ticks2_expose (GdkEventExpose *);
230 void on_style_changed (const Glib::RefPtr<Gtk::Style>&);
234 void meter_configuration_changed (ARDOUR::ChanCount);
235 void meter_type_changed (ARDOUR::MeterType);
237 Gtk::HBox gain_display_box;
239 Gtk::VBox fader_vbox;
241 Gtk::HBox meter_hbox;
242 Gtk::Alignment fader_alignment;
243 Gtk::Alignment meter_alignment;
244 std::vector<ARDOUR::DataType> _types;
247 #endif /* __ardour_gtk_gain_meter_h__ */