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
  23 #include "ardour_ui.h"
  24 #include "editor.h"
  25 #include "editing.h"
  26 #include "audio_time_axis.h"
  27 #include "region_view.h"
  28 #include "selection.h"
  29
  30 #include "i18n.h"
  31
  32 using namespace ARDOUR;
  33 using namespace PBD;
  34
  35 void
  36 Editor::set_show_waveforms (bool yn)
  37 {
  38         AudioTimeAxisView* atv;
  39
  40         if (_show_waveforms != yn) {
  41                 _show_waveforms = yn;
  42                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
  43                         if ((atv = dynamic_cast<AudioTimeAxisView*>(*i)) != 0) {
  44                                 atv->set_show_waveforms (yn);
  45                         }
  46                 }
  47         }
  48 }
  49
  50 void
  51 Editor::set_show_waveforms_recording (bool yn)
  52 {
  53         AudioTimeAxisView* atv;
  54
  55         if (_show_waveforms_recording != yn) {
  56                 _show_waveforms_recording = yn;
  57                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
  58                         if ((atv = dynamic_cast<AudioTimeAxisView*>(*i)) != 0) {
  59                                 atv->set_show_waveforms_recording (yn);
  60                         }
  61                 }
  62         }
  63 }
  64
  65 gint
  66 Editor::start_updating ()
  67 {
  68         AudioTimeAxisView* atv;
  69
  70         //cerr << "Editor::start_updating () called" << endl;//DEBUG
  71         if (is_mapped() && session) {
  72                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
  73                         if ((atv = dynamic_cast<AudioTimeAxisView*>(*i)) != 0) {
  74                                 atv->reset_meter ();
  75                         }
  76                 }
  77         }
  78
  79         if (!meters_running) {
  80                 fast_screen_update_connection = ARDOUR_UI::SuperRapidScreenUpdate.connect (mem_fun(*this, &Editor::fast_update_strips));
  81                 meters_running = true;
  82         }
  83     return 0;
  84 }
  85
  86 gint
  87 Editor::stop_updating ()
  88 {
  89         AudioTimeAxisView* atv;
  90
  91         meters_running = false;
  92         fast_screen_update_connection.disconnect();
  93         //cerr << "Editor::stop_updating () called" << endl;//DEBUG
  94         if (is_mapped() && session) {
  95                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
  96                         if ((atv = dynamic_cast<AudioTimeAxisView*>(*i)) != 0) {
  97                                 atv->hide_meter ();
  98                         }
  99                 }
 100         }
 101
 102     return 0;
 103 }
 104
 105 void
 106 Editor::toggle_meter_updating()
 107 {
 108         if (Config->get_show_track_meters()) {
 109                 start_updating();
 110         } else {
 111                 stop_updating ();
 112         }
 113         track_canvas_allocate(track_canvas->get_allocation());
 114 }
 115
 116 void
 117 Editor::fast_update_strips ()
 118 {
 119         AudioTimeAxisView* atv;
 120
 121         if (is_mapped() && session) {
 122                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
 123                         if ((atv = dynamic_cast<AudioTimeAxisView*>(*i)) != 0) {
 124                                 atv->fast_update ();
 125                         }
 126                 }
 127         }
 128 }
 129