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