gtk2_ardour/gain_meter.h

   1 /*
   2     Copyright (C) 2002 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_gain_meter_h__
  21 #define __ardour_gtk_gain_meter_h__
  22
  23 #include <vector>
  24 #include <map>
  25
  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>
  34
  35 #include "pbd/signals.h"
  36
  37 #include "ardour/chan_count.h"
  38 #include "ardour/types.h"
  39 #include "ardour/session_handle.h"
  40
  41 #include "gtkmm2ext/click_box.h"
  42 #include "gtkmm2ext/focus_entry.h"
  43 #include "gtkmm2ext/slider_controller.h"
  44
  45 #include "enums.h"
  46 #include "level_meter.h"
  47
  48 namespace ARDOUR {
  49         class IO;
  50         class Session;
  51         class Route;
  52         class RouteGroup;
  53         class PeakMeter;
  54         class Amp;
  55         class Automatable;
  56 }
  57 namespace Gtkmm2ext {
  58         class FastMeter;
  59         class BarController;
  60 }
  61 namespace Gtk {
  62         class Menu;
  63 }
  64
  65 class GainMeterBase : virtual public sigc::trackable, ARDOUR::SessionHandlePtr
  66 {
  67   public:
  68         GainMeterBase (ARDOUR::Session*, const Glib::RefPtr<Gdk::Pixbuf>& pix,
  69                        bool horizontal, int);
  70         virtual ~GainMeterBase ();
  71
  72         virtual void set_controls (boost::shared_ptr<ARDOUR::Route> route,
  73                                    boost::shared_ptr<ARDOUR::PeakMeter> meter,
  74                                    boost::shared_ptr<ARDOUR::Amp> amp);
  75
  76         void update_gain_sensitive ();
  77         void update_meters ();
  78
  79         void effective_gain_display ();
  80         void set_width (Width, int len=0);
  81         void set_meter_strip_name (const char * name);
  82         void set_fader_name (const char * name);
  83
  84         virtual void setup_meters (int len=0);
  85
  86         boost::shared_ptr<PBD::Controllable> get_controllable();
  87
  88         LevelMeter& get_level_meter() const { return *level_meter; }
  89         Gtkmm2ext::SliderController& get_gain_slider() const { return *gain_slider; }
  90
  91   protected:
  92
  93         friend class MixerStrip;
  94         boost::shared_ptr<ARDOUR::Route> _route;
  95         boost::shared_ptr<ARDOUR::PeakMeter> _meter;
  96         boost::shared_ptr<ARDOUR::Amp> _amp;
  97         std::vector<sigc::connection> connections;
  98         PBD::ScopedConnectionList model_connections;
  99
 100         bool ignore_toggle;
 101         bool next_release_selects;
 102
 103         Gtkmm2ext::SliderController *gain_slider;
 104         Gtk::Adjustment              gain_adjustment;
 105         Gtkmm2ext::FocusEntry        gain_display;
 106         Gtk::Button                  peak_display;
 107         Gtk::DrawingArea             meter_metric_area;
 108         LevelMeter                  *level_meter;
 109
 110         sigc::connection gain_watching;
 111
 112         Gtk::Button gain_automation_style_button;
 113         Gtk::ToggleButton gain_automation_state_button;
 114
 115         Gtk::Menu gain_astate_menu;
 116         Gtk::Menu gain_astyle_menu;
 117
 118         gint gain_automation_style_button_event (GdkEventButton *);
 119         gint gain_automation_state_button_event (GdkEventButton *);
 120         gint pan_automation_style_button_event (GdkEventButton *);
 121         gint pan_automation_state_button_event (GdkEventButton *);
 122
 123         void gain_automation_state_changed();
 124         void gain_automation_style_changed();
 125
 126         std::string astate_string (ARDOUR::AutoState);
 127         std::string short_astate_string (ARDOUR::AutoState);
 128         std::string _astate_string (ARDOUR::AutoState, bool);
 129
 130         std::string astyle_string (ARDOUR::AutoStyle);
 131         std::string short_astyle_string (ARDOUR::AutoStyle);
 132         std::string _astyle_string (ARDOUR::AutoStyle, bool);
 133
 134         Width _width;
 135
 136         void show_gain ();
 137         void gain_activated ();
 138         bool gain_focused (GdkEventFocus*);
 139
 140         float max_peak;
 141
 142         void gain_adjusted ();
 143         void gain_changed ();
 144
 145         void meter_point_clicked ();
 146         void gain_unit_changed ();
 147
 148         virtual void hide_all_meters ();
 149
 150         gint meter_button_press (GdkEventButton*, uint32_t);
 151
 152         bool peak_button_release (GdkEventButton*);
 153         bool gain_key_press (GdkEventKey*);
 154
 155         Gtk::Menu* meter_menu;
 156         void popup_meter_menu (GdkEventButton*);
 157
 158         gint start_gain_touch (GdkEventButton*);
 159         gint end_gain_touch (GdkEventButton*);
 160
 161         void set_mix_group_meter_point (ARDOUR::Route&, ARDOUR::MeterPoint);
 162         void set_meter_point (ARDOUR::Route&, ARDOUR::MeterPoint);
 163         gint meter_release (GdkEventButton*);
 164         gint meter_press (GdkEventButton*);
 165         bool wait_for_release;
 166         ARDOUR::MeterPoint old_meter_point;
 167
 168         void parameter_changed (const char*);
 169
 170         void reset_peak_display ();
 171         void reset_group_peak_display (ARDOUR::RouteGroup*);
 172
 173         static sigc::signal<void> ResetAllPeakDisplays;
 174         static sigc::signal<void,ARDOUR::RouteGroup*> ResetGroupPeakDisplays;
 175
 176         void on_theme_changed ();
 177         bool style_changed;
 178         bool dpi_changed;
 179         bool color_changed;
 180         void color_handler(bool);
 181         bool _is_midi;
 182 };
 183
 184 class GainMeter : public GainMeterBase, public Gtk::VBox
 185 {
 186   public:
 187         GainMeter (ARDOUR::Session*, int);
 188         ~GainMeter () {}
 189
 190         virtual void set_controls (boost::shared_ptr<ARDOUR::Route> route,
 191                                    boost::shared_ptr<ARDOUR::PeakMeter> meter,
 192                                    boost::shared_ptr<ARDOUR::Amp> amp);
 193
 194         int get_gm_width ();
 195         void setup_meters (int len=0);
 196
 197         static void setup_slider_pix ();
 198
 199   protected:
 200         void hide_all_meters ();
 201
 202         gint meter_metrics_expose (GdkEventExpose *);
 203
 204         static std::map<std::string,Glib::RefPtr<Gdk::Pixmap> > metric_pixmaps;
 205         static Glib::RefPtr<Gdk::Pixmap> render_metrics (Gtk::Widget&);
 206
 207   private:
 208         Gtk::HBox  gain_display_box;
 209         Gtk::HBox  fader_box;
 210         Gtk::VBox* fader_vbox;
 211         Gtk::HBox  hbox;
 212
 213         static Glib::RefPtr<Gdk::Pixbuf> slider;
 214 };
 215
 216 #endif /* __ardour_gtk_gain_meter_h__ */
 217