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_loop_from_selection (bool play)
  38 {
  39         if (session == 0 || selection->time.empty()) {
  40                 return;
  41         }
  42
  43         nframes_t start = selection->time[clicked_selection].start;
  44         nframes_t end = selection->time[clicked_selection].end;
  45
  46         set_loop_range (start, end,  _("set loop range from selection"));
  47
  48         if (play) {
  49                 session->request_play_loop (true);
  50                 session->request_locate (start, true);
  51         }
  52 }
  53
  54 void
  55 Editor::set_punch_from_selection ()
  56 {
  57         if (session == 0 || selection->time.empty()) {
  58                 return;
  59         }
  60
  61         nframes_t start = selection->time[clicked_selection].start;
  62         nframes_t end = selection->time[clicked_selection].end;
  63
  64         set_punch_range (start, end,  _("set punch range from selection"));
  65 }
  66
  67 void
  68 Editor::set_show_waveforms (bool yn)
  69 {
  70         AudioTimeAxisView* atv;
  71
  72         if (_show_waveforms != yn) {
  73                 _show_waveforms = yn;
  74                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
  75                         if ((atv = dynamic_cast<AudioTimeAxisView*>(*i)) != 0) {
  76                                 atv->set_show_waveforms (yn);
  77                         }
  78                 }
  79         }
  80 }
  81
  82 void
  83 Editor::set_show_waveforms_recording (bool yn)
  84 {
  85         AudioTimeAxisView* atv;
  86
  87         if (_show_waveforms_recording != yn) {
  88                 _show_waveforms_recording = yn;
  89                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
  90                         if ((atv = dynamic_cast<AudioTimeAxisView*>(*i)) != 0) {
  91                                 atv->set_show_waveforms_recording (yn);
  92                         }
  93                 }
  94         }
  95 }
  96
  97 gint
  98 Editor::start_updating ()
  99 {
 100         RouteTimeAxisView* rtv;
 101
 102         //cerr << "Editor::start_updating () called" << endl;//DEBUG
 103         if (is_mapped() && session) {
 104                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
 105                         if ((rtv = dynamic_cast<RouteTimeAxisView*>(*i)) != 0) {
 106                                 rtv->reset_meter ();
 107                         }
 108                 }
 109         }
 110
 111         if (!meters_running) {
 112                 fast_screen_update_connection = ARDOUR_UI::SuperRapidScreenUpdate.connect (mem_fun(*this, &Editor::fast_update_strips));
 113                 meters_running = true;
 114         }
 115     return 0;
 116 }
 117
 118 gint
 119 Editor::stop_updating ()
 120 {
 121         RouteTimeAxisView* rtv;
 122
 123         meters_running = false;
 124         fast_screen_update_connection.disconnect();
 125         //cerr << "Editor::stop_updating () called" << endl;//DEBUG
 126         if (is_mapped() && session) {
 127                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
 128                         if ((rtv = dynamic_cast<RouteTimeAxisView*>(*i)) != 0) {
 129                                 rtv->hide_meter ();
 130                         }
 131                 }
 132         }
 133
 134     return 0;
 135 }
 136
 137 void
 138 Editor::toggle_meter_updating()
 139 {
 140         if (Config->get_show_track_meters()) {
 141                 start_updating();
 142         } else {
 143                 stop_updating ();
 144         }
 145 }
 146
 147 void
 148 Editor::fast_update_strips ()
 149 {
 150         RouteTimeAxisView* rtv;
 151
 152         if (is_mapped() && session) {
 153                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
 154                         if ((rtv = dynamic_cast<RouteTimeAxisView*>(*i)) != 0) {
 155                                 rtv->fast_update ();
 156                         }
 157                 }
 158         }
 159 }
 160