gtk2_ardour/level_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_track_meter_h__
  21 #define __ardour_gtk_track_meter_h__
  22
  23 #include <vector>
  24
  25 #include <gtkmm/box.h>
  26 #include <gtkmm/adjustment.h>
  27 #include <gtkmm/frame.h>
  28 #include <gtkmm/eventbox.h>
  29 #include <gtkmm/button.h>
  30 #include <gtkmm/table.h>
  31 #include <gtkmm/drawingarea.h>
  32
  33 #include "ardour/types.h"
  34
  35 #include <gtkmm2ext/click_box.h>
  36 #include <gtkmm2ext/focus_entry.h>
  37 #include <gtkmm2ext/slider_controller.h>
  38
  39 #include "enums.h"
  40
  41 namespace ARDOUR {
  42         class Session;
  43         class PeakMeter;
  44 }
  45 namespace Gtkmm2ext {
  46         class FastMeter;
  47 }
  48 namespace Gtk {
  49         class Menu;
  50 }
  51
  52 class LevelMeter : public Gtk::HBox
  53 {
  54   public:
  55         LevelMeter (ARDOUR::Session&);
  56         ~LevelMeter ();
  57
  58         virtual void set_meter (ARDOUR::PeakMeter* meter);
  59
  60         void update_gain_sensitive ();
  61
  62         float update_meters ();
  63         void update_meters_falloff ();
  64         void clear_meters ();
  65         void hide_meters ();
  66         void setup_meters (int len=0, int width=3);
  67
  68   private:
  69         ARDOUR::Session&   _session;
  70         ARDOUR::PeakMeter* _meter;
  71
  72         Width _width;
  73
  74         struct MeterInfo {
  75             Gtkmm2ext::FastMeter *meter;
  76             gint16                width;
  77                 int                               length;
  78             bool                  packed;
  79
  80             MeterInfo() {
  81                     meter = 0;
  82                     width = 0;
  83                         length = 0;
  84                     packed = false;
  85             }
  86         };
  87
  88         guint16                regular_meter_width;
  89         int                    meter_length;
  90         static const guint16   thin_meter_width = 2;
  91         std::vector<MeterInfo> meters;
  92         float                  max_peak;
  93
  94         sigc::connection _configuration_connection;
  95
  96         void hide_all_meters ();
  97         gint meter_button_release (GdkEventButton*, uint32_t);
  98
  99         void parameter_changed (std::string);
 100         void configuration_changed (ARDOUR::ChanCount in, ARDOUR::ChanCount out);
 101
 102         void on_theme_changed ();
 103         bool style_changed;
 104         bool color_changed;
 105         void color_handler ();
 106 };
 107
 108 #endif /* __ardour_gtk_track_meter_h__ */
 109