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