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::set_show_waveforms_recording (bool yn)
  39 {
  40         AudioTimeAxisView* atv;
  41
  42         if (_show_waveforms_recording != yn) {
  43                 _show_waveforms_recording = yn;
  44                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
  45                         if ((atv = dynamic_cast<AudioTimeAxisView*>(*i)) != 0) {
  46                                 atv->set_show_waveforms_recording (yn);
  47                         }
  48                 }
  49         }
  50 }
  51
  52 gint
  53 Editor::start_updating ()
  54 {
  55         RouteTimeAxisView* rtv;
  56
  57         //cerr << "Editor::start_updating () called" << endl;//DEBUG
  58         if (is_mapped() && session) {
  59                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
  60                         if ((rtv = dynamic_cast<RouteTimeAxisView*>(*i)) != 0) {
  61                                 rtv->reset_meter ();
  62                         }
  63                 }
  64         }
  65
  66         if (!meters_running) {
  67                 fast_screen_update_connection = ARDOUR_UI::SuperRapidScreenUpdate.connect (mem_fun(*this, &Editor::fast_update_strips));
  68                 meters_running = true;
  69         }
  70     return 0;
  71 }
  72
  73 gint
  74 Editor::stop_updating ()
  75 {
  76         RouteTimeAxisView* rtv;
  77
  78         meters_running = false;
  79         fast_screen_update_connection.disconnect();
  80         //cerr << "Editor::stop_updating () called" << endl;//DEBUG
  81         if (is_mapped() && session) {
  82                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
  83                         if ((rtv = dynamic_cast<RouteTimeAxisView*>(*i)) != 0) {
  84                                 rtv->hide_meter ();
  85                         }
  86                 }
  87         }
  88
  89     return 0;
  90 }
  91
  92 void
  93 Editor::toggle_meter_updating()
  94 {
  95         if (Config->get_show_track_meters()) {
  96                 start_updating();
  97         } else {
  98                 stop_updating ();
  99         }
 100         track_canvas_allocate(track_canvas->get_allocation());
 101 }
 102
 103 void
 104 Editor::fast_update_strips ()
 105 {
 106         RouteTimeAxisView* rtv;
 107
 108         if (is_mapped() && session) {
 109                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
 110                         if ((rtv = dynamic_cast<RouteTimeAxisView*>(*i)) != 0) {
 111                                 rtv->fast_update ();
 112                         }
 113                 }
 114         }
 115 }
 116