Merged with trunk R1622.
[ardour.git] / 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 #include <gtkmm2ext/window_title.h>
32
33 #include "playlist_selector.h"
34 #include "route_ui.h"
35 #include "gui_thread.h"
36
37 #include "i18n.h"
38
39 using namespace std;
40 using namespace sigc;
41 using namespace Gtk;
42 using namespace Gtkmm2ext;
43 using namespace ARDOUR;
44 using namespace PBD;
45
46 PlaylistSelector::PlaylistSelector ()
47         : ArdourDialog ("playlist selector")
48 {
49         rui = 0;
50         
51         set_position (WIN_POS_MOUSE);
52         set_name ("PlaylistSelectorWindow");
53         set_modal(true);
54         add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK);
55         set_size_request (300, 200);
56
57         WindowTitle title(Glib::get_application_name());
58         title += _("Playlists");
59         set_title(title.get_string());
60
61         model = TreeStore::create (columns);
62         tree.set_model (model);
63         tree.append_column (_("Playlists grouped by track"), columns.text);
64
65         scroller.add (tree);
66         scroller.set_policy (POLICY_AUTOMATIC, POLICY_AUTOMATIC);
67
68         get_vbox()->set_border_width (6);
69         get_vbox()->set_spacing (12);
70
71         get_vbox()->pack_start (scroller);
72
73         Button* b = add_button (_("close"), RESPONSE_CANCEL);
74         b->signal_clicked().connect (mem_fun(*this, &PlaylistSelector::close_button_click));
75
76 }
77
78 PlaylistSelector::~PlaylistSelector ()
79 {
80         clear_map ();
81 }
82
83 void
84 PlaylistSelector::clear_map ()
85 {
86         for (DSPL_Map::iterator x = dspl_map.begin(); x != dspl_map.end(); ++x) {
87                 delete x->second;
88         }
89         dspl_map.clear ();
90 }
91
92 bool
93 PlaylistSelector::on_unmap_event (GdkEventAny* ev)
94 {
95         clear_map ();
96         if (model) {
97                 model->clear ();
98         }
99         return Dialog::on_unmap_event (ev);
100 }
101
102 void
103 PlaylistSelector::show_for (RouteUI* ruix)
104 {
105         vector<const char*> item;
106         boost::shared_ptr<Diskstream> this_ds;
107         string str;
108
109         rui = ruix;
110
111         WindowTitle title(Glib::get_application_name());
112         title += string_compose (_("Playlist for %1"), rui->route()->name());
113         set_title (title.get_string());
114
115         clear_map ();
116         select_connection.disconnect ();
117
118         model->clear ();
119         
120         session->foreach_playlist (this, &PlaylistSelector::add_playlist_to_map);
121
122         this_ds = rui->get_diskstream();
123
124         TreeModel::Row others = *(model->append ());
125
126         others[columns.text] = _("Other tracks");
127         boost::shared_ptr<Playlist> proxy = others[columns.playlist];
128         proxy.reset ();
129         
130         for (DSPL_Map::iterator x = dspl_map.begin(); x != dspl_map.end(); ++x) {
131
132                 boost::shared_ptr<Diskstream> ds = session->diskstream_by_id (x->first);
133
134                 if (ds == 0) {
135                         continue;
136                 }
137
138                 /* add a node for the diskstream */
139
140                 string nodename;
141
142                 if (ds->name().empty()) {
143                         nodename = _("unassigned");
144                 } else {
145                         nodename = ds->name().c_str();
146                 }
147                 
148                 TreeModel::Row row;
149                 TreeModel::Row* selected_row = 0;
150                 TreePath this_path;
151
152                 if (ds == this_ds) {
153                         row = *(model->prepend());
154                         row[columns.text] = nodename;
155                         boost::shared_ptr<Playlist> proxy = row[columns.playlist];
156                         proxy.reset ();
157                 } else {
158                         row = *(model->append (others.children()));
159                         row[columns.text] = nodename;
160                         boost::shared_ptr<Playlist> proxy = row[columns.playlist];
161                         proxy.reset ();
162                 }
163
164                 /* Now insert all the playlists for this diskstream/track in a subtree */
165                 
166                 list<boost::shared_ptr<Playlist> > *pls = x->second;
167                 
168                 for (list<boost::shared_ptr<Playlist> >::iterator p = pls->begin(); p != pls->end(); ++p) {
169
170                         TreeModel::Row child_row;
171
172                         child_row = *(model->append (row.children()));
173                         child_row[columns.text] = (*p)->name();
174                         child_row[columns.playlist] = *p;
175
176                         if (*p == this_ds->playlist()) {
177                                 selected_row = &child_row;
178                         } 
179                 }
180                 
181                 if (selected_row != 0) {
182                         tree.get_selection()->select (*selected_row);
183                 }
184         }
185
186         show_all ();
187         select_connection = tree.get_selection()->signal_changed().connect (mem_fun(*this, &PlaylistSelector::selection_changed));
188 }
189
190 void
191 PlaylistSelector::add_playlist_to_map (boost::shared_ptr<Playlist> pl)
192 {
193         boost::shared_ptr<AudioPlaylist> apl;
194
195         if (pl->frozen()) {
196                 return;
197         }
198         
199         if ((apl = boost::dynamic_pointer_cast<AudioPlaylist> (pl)) == 0) {
200                 return;
201         }
202
203         DSPL_Map::iterator x;
204
205         if ((x = dspl_map.find (apl->get_orig_diskstream_id())) == dspl_map.end()) {
206
207                 pair<PBD::ID,list<boost::shared_ptr<Playlist> >*> newp (apl->get_orig_diskstream_id(), new list<boost::shared_ptr<Playlist> >);
208                 
209                 x = dspl_map.insert (dspl_map.end(), newp);
210         }
211
212         x->second->push_back (pl);
213 }
214
215 void
216 PlaylistSelector::set_session (Session* s)
217 {
218         ENSURE_GUI_THREAD(bind (mem_fun(*this, &PlaylistSelector::set_session), s));
219
220         session = s;
221
222         if (session) {
223                 session->GoingAway.connect (bind (mem_fun(*this, &PlaylistSelector::set_session), static_cast<Session*> (0)));
224         }
225 }
226
227 void
228 PlaylistSelector::close_button_click ()
229 {
230         rui = 0;
231         hide ();
232 }
233
234 void
235 PlaylistSelector::selection_changed ()
236 {
237         boost::shared_ptr<Playlist> playlist;
238
239         TreeModel::iterator iter = tree.get_selection()->get_selected();
240
241         if (!iter || rui == 0) {
242                 /* nothing selected */
243                 return;
244         }
245
246         if ((playlist = ((*iter)[columns.playlist])) != 0) {
247                 
248                 AudioTrack* at;
249                 boost::shared_ptr<AudioPlaylist> apl;
250                 
251                 if ((at = rui->audio_track()) == 0) {
252                         /* eh? */
253                         return;
254                 }
255                 
256                 if ((apl = boost::dynamic_pointer_cast<AudioPlaylist> (playlist)) == 0) {
257                         /* eh? */
258                         return;
259                 }
260                 
261                 at->diskstream()->use_playlist (apl);
262
263                 hide ();
264         }
265
266 }
267