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 "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::Button peak_display;
131 Gtk::DrawingArea meter_metric_area;
132 Gtk::DrawingArea meter_ticks1_area;
133 Gtk::DrawingArea meter_ticks2_area;
134 LevelMeterHBox *level_meter;
136 sigc::connection gain_watching;
138 ArdourButton gain_automation_state_button;
140 Gtk::Menu gain_astate_menu;
142 ArdourButton meter_point_button;
144 Gtk::Menu meter_point_menu;
146 void set_gain_astate (ARDOUR::AutoState);
147 bool gain_astate_propagate;
148 static sigc::signal<void, ARDOUR::AutoState> ChangeGainAutomationState;
150 gint gain_automation_state_button_event (GdkEventButton *);
151 gint pan_automation_state_button_event (GdkEventButton *);
153 void gain_automation_state_changed();
155 void setup_gain_adjustment ();
159 void gain_activated ();
160 bool gain_focused (GdkEventFocus*);
165 void gain_changed ();
167 void meter_point_clicked (ARDOUR::MeterPoint);
168 void gain_unit_changed ();
170 virtual void hide_all_meters ();
172 gint meter_button_press (GdkEventButton*, uint32_t);
174 bool peak_button_press (GdkEventButton*);
175 bool peak_button_release (GdkEventButton*);
176 bool gain_key_press (GdkEventKey*);
178 Gtk::Menu* meter_menu;
179 void popup_meter_menu (GdkEventButton*);
181 void amp_stop_touch ();
182 void amp_start_touch ();
184 void set_route_group_meter_point (ARDOUR::Route&, ARDOUR::MeterPoint);
185 void set_meter_point (ARDOUR::Route&, ARDOUR::MeterPoint);
186 gint meter_press (GdkEventButton*);
187 ARDOUR::MeterPoint old_meter_point;
189 MeterPointChangeTarget meter_point_change_target;
191 void parameter_changed (const char*);
193 void reset_peak_display ();
194 void reset_route_peak_display (ARDOUR::Route*);
195 void reset_group_peak_display (ARDOUR::RouteGroup*);
197 void redraw_metrics ();
198 void on_theme_changed ();
199 void color_handler(bool);
200 ARDOUR::DataType _data_type;
201 ARDOUR::ChanCount _previous_amp_output_streams;
205 bool level_meter_button_press (GdkEventButton *);
206 PBD::ScopedConnection _level_meter_connection;
209 class GainMeter : public GainMeterBase, public Gtk::VBox
212 GainMeter (ARDOUR::Session*, int);
213 virtual ~GainMeter ();
215 virtual void set_controls (boost::shared_ptr<ARDOUR::Route> route,
216 boost::shared_ptr<ARDOUR::PeakMeter> meter,
217 boost::shared_ptr<ARDOUR::Amp> amp,
218 boost::shared_ptr<ARDOUR::GainControl> control);
221 void setup_meters (int len=0);
222 void set_type (ARDOUR::MeterType);
223 void route_active_changed ();
226 void hide_all_meters ();
228 gint meter_metrics_expose (GdkEventExpose *);
229 gint meter_ticks1_expose (GdkEventExpose *);
230 gint meter_ticks2_expose (GdkEventExpose *);
231 void on_style_changed (const Glib::RefPtr<Gtk::Style>&);
235 void meter_configuration_changed (ARDOUR::ChanCount);
236 void meter_type_changed (ARDOUR::MeterType);
238 Gtk::HBox gain_display_box;
240 Gtk::VBox fader_vbox;
242 Gtk::HBox meter_hbox;
243 Gtk::Alignment fader_alignment;
244 Gtk::Alignment meter_alignment;
245 std::vector<ARDOUR::DataType> _types;
248 #endif /* __ardour_gtk_gain_meter_h__ */