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/adjustment.h>
27 #include <gtkmm/alignment.h>
28 #include <gtkmm/box.h>
29 #include <gtkmm/button.h>
30 #include <gtkmm/drawingarea.h>
31 #include <gtkmm/eventbox.h>
32 #include <gtkmm/frame.h>
33 #include <gtkmm/table.h>
35 //#include <gdkmm/colormap.h>
37 #include "pbd/signals.h"
39 #include "ardour/chan_count.h"
40 #include "ardour/types.h"
41 #include "ardour/session_handle.h"
43 #include "widgets/ardour_button.h"
44 #include "widgets/focus_entry.h"
45 #include "widgets/slider_controller.h"
48 #include "level_meter.h"
65 enum MeterPointChangeTarget {
67 MeterPointChangeGroup,
68 MeterPointChangeSingle
71 class GainMeterBase : virtual public sigc::trackable, ARDOUR::SessionHandlePtr
74 GainMeterBase (ARDOUR::Session*, bool horizontal, int, int);
75 virtual ~GainMeterBase ();
77 virtual void set_controls (boost::shared_ptr<ARDOUR::Route> route,
78 boost::shared_ptr<ARDOUR::PeakMeter> meter,
79 boost::shared_ptr<ARDOUR::Amp> amp,
80 boost::shared_ptr<ARDOUR::GainControl> control);
82 void update_gain_sensitive ();
83 void update_meters ();
85 const ARDOUR::ChanCount meter_channels () const;
87 void effective_gain_display ();
88 void set_width (Width, int len=0);
89 void set_meter_strip_name (const char * name);
90 void set_fader_name (const char * name);
92 virtual void setup_meters (int len=0);
93 virtual void set_type (ARDOUR::MeterType);
95 boost::shared_ptr<PBD::Controllable> get_controllable();
97 LevelMeterHBox& get_level_meter() const { return *level_meter; }
98 ArdourWidgets::SliderController& get_gain_slider() const { return *gain_slider; }
100 /** Emitted in the GUI thread when a button is pressed over the level meter;
101 * return true if the event is handled.
103 PBD::Signal1<bool, GdkEventButton *> LevelMeterButtonPress;
105 static std::string astate_string (ARDOUR::AutoState);
106 static std::string short_astate_string (ARDOUR::AutoState);
107 static std::string _astate_string (ARDOUR::AutoState, bool);
111 friend class MixerStrip;
112 friend class MeterStrip;
113 friend class RouteTimeAxisView;
114 friend class VCAMasterStrip;
115 boost::shared_ptr<ARDOUR::Route> _route;
116 boost::shared_ptr<ARDOUR::PeakMeter> _meter;
117 boost::shared_ptr<ARDOUR::Amp> _amp;
118 boost::shared_ptr<ARDOUR::GainControl> _control;
119 std::vector<sigc::connection> connections;
120 PBD::ScopedConnectionList model_connections;
123 bool next_release_selects;
125 ArdourWidgets::SliderController* gain_slider;
126 Gtk::Adjustment gain_adjustment;
127 ArdourWidgets::FocusEntry gain_display;
128 ArdourWidgets::FocusEntry peak_display;
129 Gtk::DrawingArea meter_metric_area;
130 Gtk::DrawingArea meter_ticks1_area;
131 Gtk::DrawingArea meter_ticks2_area;
132 LevelMeterHBox* level_meter;
134 sigc::connection gain_watching;
136 ArdourWidgets::ArdourButton gain_automation_state_button;
138 Gtk::Menu gain_astate_menu;
140 ArdourWidgets::ArdourButton meter_point_button;
142 Gtk::Menu meter_point_menu;
144 void set_gain_astate (ARDOUR::AutoState);
145 bool gain_astate_propagate;
146 static sigc::signal<void, ARDOUR::AutoState> ChangeGainAutomationState;
148 gint gain_automation_state_button_event (GdkEventButton *);
149 gint pan_automation_state_button_event (GdkEventButton *);
151 void gain_automation_state_changed();
153 void setup_gain_adjustment ();
157 void gain_activated ();
158 bool gain_focused (GdkEventFocus*);
163 void gain_changed ();
165 void meter_point_clicked (ARDOUR::MeterPoint);
166 void gain_unit_changed ();
168 virtual void hide_all_meters ();
170 gint meter_button_press (GdkEventButton*, uint32_t);
172 bool peak_button_press (GdkEventButton*);
173 bool peak_button_release (GdkEventButton*);
174 bool gain_key_press (GdkEventKey*);
176 Gtk::Menu* meter_menu;
177 void popup_meter_menu (GdkEventButton*);
179 void amp_stop_touch ();
180 void amp_start_touch ();
182 void set_route_group_meter_point (ARDOUR::Route&, ARDOUR::MeterPoint);
183 void set_meter_point (ARDOUR::Route&, ARDOUR::MeterPoint);
184 gint meter_press (GdkEventButton*);
185 ARDOUR::MeterPoint old_meter_point;
187 MeterPointChangeTarget meter_point_change_target;
189 void parameter_changed (const char*);
191 void reset_peak_display ();
192 void reset_route_peak_display (ARDOUR::Route*);
193 void reset_group_peak_display (ARDOUR::RouteGroup*);
195 void redraw_metrics ();
196 void on_theme_changed ();
197 void color_handler(bool);
198 ARDOUR::DataType _data_type;
199 ARDOUR::ChanCount _previous_amp_output_streams;
203 bool level_meter_button_press (GdkEventButton *);
204 PBD::ScopedConnection _level_meter_connection;
207 class GainMeter : public GainMeterBase, public Gtk::VBox
210 GainMeter (ARDOUR::Session*, int);
211 virtual ~GainMeter ();
213 virtual void set_controls (boost::shared_ptr<ARDOUR::Route> route,
214 boost::shared_ptr<ARDOUR::PeakMeter> meter,
215 boost::shared_ptr<ARDOUR::Amp> amp,
216 boost::shared_ptr<ARDOUR::GainControl> control);
219 void setup_meters (int len=0);
220 void set_type (ARDOUR::MeterType);
221 void route_active_changed ();
224 void hide_all_meters ();
226 gint meter_metrics_expose (GdkEventExpose *);
227 gint meter_ticks1_expose (GdkEventExpose *);
228 gint meter_ticks2_expose (GdkEventExpose *);
229 void on_style_changed (const Glib::RefPtr<Gtk::Style>&);
233 void meter_configuration_changed (ARDOUR::ChanCount);
234 void meter_type_changed (ARDOUR::MeterType);
236 Gtk::HBox gain_display_box;
238 Gtk::VBox fader_vbox;
240 Gtk::HBox meter_hbox;
241 Gtk::Alignment fader_alignment;
242 Gtk::Alignment meter_alignment;
243 std::vector<ARDOUR::DataType> _types;
246 #endif /* __ardour_gtk_gain_meter_h__ */