gtk2_ardour/playlist_selector.cc

   1 /*
   2     Copyright (C) 2004 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
  21 #include <gtkmm/button.h>
  22
  23 #include <ardour/session_playlist.h>
  24 #include <ardour/audio_diskstream.h>
  25 #include <ardour/playlist.h>
  26 #include <ardour/audio_track.h>
  27 #include <ardour/audioplaylist.h>
  28 #include <ardour/configuration.h>
  29
  30 #include <gtkmm2ext/gtk_ui.h>
  31
  32 #include "playlist_selector.h"
  33 #include "route_ui.h"
  34 #include "gui_thread.h"
  35
  36 #include "i18n.h"
  37
  38 using namespace std;
  39 using namespace sigc;
  40 using namespace Gtk;
  41 using namespace Gtkmm2ext;
  42 using namespace ARDOUR;
  43 using namespace PBD;
  44
  45 PlaylistSelector::PlaylistSelector ()
  46         : ArdourDialog ("playlist selector")
  47 {
  48         rui = 0;
  49
  50         set_position (WIN_POS_MOUSE);
  51         set_name ("PlaylistSelectorWindow");
  52         set_modal(true);
  53         add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK);
  54         set_size_request (300, 200);
  55
  56         set_title (_("Playlists"));
  57
  58         model = TreeStore::create (columns);
  59         tree.set_model (model);
  60         tree.append_column (_("Playlists grouped by track"), columns.text);
  61
  62         scroller.add (tree);
  63         scroller.set_policy (POLICY_AUTOMATIC, POLICY_AUTOMATIC);
  64
  65         get_vbox()->set_border_width (6);
  66         get_vbox()->set_spacing (12);
  67
  68         get_vbox()->pack_start (scroller);
  69
  70         Button* b = add_button (_("close"), RESPONSE_CANCEL);
  71         b->signal_clicked().connect (mem_fun(*this, &PlaylistSelector::close_button_click));
  72
  73 }
  74
  75 PlaylistSelector::~PlaylistSelector ()
  76 {
  77         clear_map ();
  78 }
  79
  80 void
  81 PlaylistSelector::clear_map ()
  82 {
  83         for (DSPL_Map::iterator x = dspl_map.begin(); x != dspl_map.end(); ++x) {
  84                 delete x->second;
  85         }
  86         dspl_map.clear ();
  87 }
  88
  89 bool
  90 PlaylistSelector::on_unmap_event (GdkEventAny* ev)
  91 {
  92         clear_map ();
  93         if (model) {
  94                 model->clear ();
  95         }
  96         return Dialog::on_unmap_event (ev);
  97 }
  98
  99 void
 100 PlaylistSelector::show_for (RouteUI* ruix)
 101 {
 102         vector<const char*> item;
 103         boost::shared_ptr<Diskstream> this_ds;
 104         string str;
 105
 106         rui = ruix;
 107
 108         set_title (string_compose (_("Playlist for %1"), rui->route()->name()));
 109
 110         clear_map ();
 111         select_connection.disconnect ();
 112
 113         model->clear ();
 114
 115         session->foreach_playlist (this, &PlaylistSelector::add_playlist_to_map);
 116
 117         this_ds = rui->get_diskstream();
 118
 119         TreeModel::Row others = *(model->append ());
 120
 121         others[columns.text] = _("Other tracks");
 122         boost::shared_ptr<Playlist> proxy = others[columns.playlist];
 123         proxy.reset ();
 124
 125         for (DSPL_Map::iterator x = dspl_map.begin(); x != dspl_map.end(); ++x) {
 126
 127                 boost::shared_ptr<Diskstream> ds = session->diskstream_by_id (x->first);
 128
 129                 if (ds == 0) {
 130                         continue;
 131                 }
 132
 133                 /* add a node for the diskstream */
 134
 135                 string nodename;
 136
 137                 if (ds->name().empty()) {
 138                         nodename = _("unassigned");
 139                 } else {
 140                         nodename = ds->name().c_str();
 141                 }
 142
 143                 TreeModel::Row row;
 144                 TreeModel::Row* selected_row = 0;
 145                 TreePath this_path;
 146
 147                 if (ds == this_ds) {
 148                         row = *(model->prepend());
 149                         row[columns.text] = nodename;
 150                         boost::shared_ptr<Playlist> proxy = row[columns.playlist];
 151                         proxy.reset ();
 152                 } else {
 153                         row = *(model->append (others.children()));
 154                         row[columns.text] = nodename;
 155                         boost::shared_ptr<Playlist> proxy = row[columns.playlist];
 156                         proxy.reset ();
 157                 }
 158
 159                 /* Now insert all the playlists for this diskstream/track in a subtree */
 160
 161                 list<boost::shared_ptr<Playlist> > *pls = x->second;
 162
 163                 for (list<boost::shared_ptr<Playlist> >::iterator p = pls->begin(); p != pls->end(); ++p) {
 164
 165                         TreeModel::Row child_row;
 166
 167                         child_row = *(model->append (row.children()));
 168                         child_row[columns.text] = (*p)->name();
 169                         child_row[columns.playlist] = *p;
 170
 171                         if (*p == this_ds->playlist()) {
 172                                 selected_row = &child_row;
 173                         }
 174                 }
 175
 176                 if (selected_row != 0) {
 177                         tree.get_selection()->select (*selected_row);
 178                 }
 179         }
 180
 181         show_all ();
 182         select_connection = tree.get_selection()->signal_changed().connect (mem_fun(*this, &PlaylistSelector::selection_changed));
 183 }
 184
 185 void
 186 PlaylistSelector::add_playlist_to_map (boost::shared_ptr<Playlist> pl)
 187 {
 188         boost::shared_ptr<AudioPlaylist> apl;
 189
 190         if (pl->frozen()) {
 191                 return;
 192         }
 193
 194         if ((apl = boost::dynamic_pointer_cast<AudioPlaylist> (pl)) == 0) {
 195                 return;
 196         }
 197
 198         DSPL_Map::iterator x;
 199
 200         if ((x = dspl_map.find (apl->get_orig_diskstream_id())) == dspl_map.end()) {
 201
 202                 pair<PBD::ID,list<boost::shared_ptr<Playlist> >*> newp (apl->get_orig_diskstream_id(), new list<boost::shared_ptr<Playlist> >);
 203
 204                 x = dspl_map.insert (dspl_map.end(), newp);
 205         }
 206
 207         x->second->push_back (pl);
 208 }
 209
 210 void
 211 PlaylistSelector::set_session (Session* s)
 212 {
 213         ENSURE_GUI_THREAD(bind (mem_fun(*this, &PlaylistSelector::set_session), s));
 214
 215         session = s;
 216
 217         if (session) {
 218                 session->GoingAway.connect (bind (mem_fun(*this, &PlaylistSelector::set_session), static_cast<Session*> (0)));
 219         }
 220 }
 221
 222 void
 223 PlaylistSelector::close_button_click ()
 224 {
 225         rui = 0;
 226         hide ();
 227 }
 228
 229 void
 230 PlaylistSelector::selection_changed ()
 231 {
 232         boost::shared_ptr<Playlist> playlist;
 233
 234         TreeModel::iterator iter = tree.get_selection()->get_selected();
 235
 236         if (!iter || rui == 0) {
 237                 /* nothing selected */
 238                 return;
 239         }
 240
 241         if ((playlist = ((*iter)[columns.playlist])) != 0) {
 242
 243                 boost::shared_ptr<AudioTrack> at;
 244                 boost::shared_ptr<AudioPlaylist> apl;
 245
 246                 if ((at = rui->audio_track()) == 0) {
 247                         /* eh? */
 248                         return;
 249                 }
 250
 251                 if ((apl = boost::dynamic_pointer_cast<AudioPlaylist> (playlist)) == 0) {
 252                         /* eh? */
 253                         return;
 254                 }
 255
 256                 at->diskstream()->use_playlist (apl);
 257
 258                 hide ();
 259         }
 260
 261 }
 262