gtk2_ardour/editor_audiotrack.cc

   1 /*
   2     Copyright (C) 2000-2007 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 #include "ardour/location.h"
  21 #include "ardour/audio_diskstream.h"
  22 #include "ardour/rc_configuration.h"
  23
  24 #include "ardour_ui.h"
  25 #include "editor.h"
  26 #include "editing.h"
  27 #include "audio_time_axis.h"
  28 #include "route_time_axis.h"
  29 #include "audio_region_view.h"
  30 #include "selection.h"
  31
  32 #include "i18n.h"
  33
  34 using namespace ARDOUR;
  35 using namespace PBD;
  36
  37 void
  38 Editor::start_updating_meters ()
  39 {
  40         RouteTimeAxisView* rtv;
  41
  42         if (is_mapped() && _session) {
  43                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
  44                         if ((rtv = dynamic_cast<RouteTimeAxisView*>(*i)) != 0) {
  45                                 rtv->reset_meter ();
  46                         }
  47                 }
  48         }
  49
  50         meters_running = true;
  51 }
  52
  53 void
  54 Editor::stop_updating_meters ()
  55 {
  56         RouteTimeAxisView* rtv;
  57
  58         meters_running = false;
  59
  60         if (is_mapped() && _session) {
  61                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
  62                         if ((rtv = dynamic_cast<RouteTimeAxisView*>(*i)) != 0) {
  63                                 rtv->hide_meter ();
  64                         }
  65                 }
  66         }
  67 }
  68
  69 void
  70 Editor::toggle_meter_updating()
  71 {
  72         if (Config->get_show_track_meters()) {
  73                 start_updating_meters ();
  74         } else {
  75                 stop_updating_meters ();
  76         }
  77
  78         track_canvas_allocate (track_canvas->get_allocation());
  79 }
  80