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