Edit -> Properties and move timeline button.
[dcpomatic.git] / src / wx / film_editor.cc
index ad028c930c52510b86036a2988a1a03128222c2f..ca43ffb8a2a8b1c57ab6685be2b976812a71b052 100644 (file)
@@ -50,7 +50,9 @@
 #include "scaler.h"
 #include "audio_dialog.h"
 #include "imagemagick_content_dialog.h"
+#include "ffmpeg_content_dialog.h"
 #include "audio_mapping_view.h"
+#include "timeline_dialog.h"
 
 using std::string;
 using std::cout;
@@ -60,6 +62,7 @@ using std::fixed;
 using std::setprecision;
 using std::list;
 using std::vector;
+using std::max;
 using boost::shared_ptr;
 using boost::weak_ptr;
 using boost::dynamic_pointer_cast;
@@ -70,6 +73,7 @@ FilmEditor::FilmEditor (shared_ptr<Film> f, wxWindow* parent)
        : wxPanel (parent)
        , _generally_sensitive (true)
        , _audio_dialog (0)
+       , _timeline_dialog (0)
 {
        wxBoxSizer* s = new wxBoxSizer (wxVERTICAL);
        _notebook = new wxNotebook (this, wxID_ANY);
@@ -86,6 +90,8 @@ FilmEditor::FilmEditor (shared_ptr<Film> f, wxWindow* parent)
        make_subtitle_panel ();
        _notebook->AddPage (_subtitle_panel, _("Subtitles"), false);
 
+       setup_formats ();
+
        set_film (f);
        connect_to_widgets ();
 
@@ -93,8 +99,6 @@ FilmEditor::FilmEditor (shared_ptr<Film> f, wxWindow* parent)
                bind (&FilmEditor::active_jobs_changed, this, _1)
                );
        
-       setup_formats ();
-
        SetSizerAndFit (s);
 }
 
@@ -210,9 +214,12 @@ FilmEditor::connect_to_widgets ()
        _content->Connect                (wxID_ANY, wxEVT_COMMAND_LIST_ITEM_ACTIVATED,  wxListEventHandler    (FilmEditor::content_activated), 0, this);
        _content_add->Connect            (wxID_ANY, wxEVT_COMMAND_BUTTON_CLICKED,       wxCommandEventHandler (FilmEditor::content_add_clicked), 0, this);
        _content_remove->Connect         (wxID_ANY, wxEVT_COMMAND_BUTTON_CLICKED,       wxCommandEventHandler (FilmEditor::content_remove_clicked), 0, this);
-       _content_edit->Connect           (wxID_ANY, wxEVT_COMMAND_BUTTON_CLICKED,       wxCommandEventHandler (FilmEditor::content_edit_clicked), 0, this);
+       _content_properties->Connect     (wxID_ANY, wxEVT_COMMAND_BUTTON_CLICKED,       wxCommandEventHandler (FilmEditor::content_properties_clicked), 0, this);
        _content_earlier->Connect        (wxID_ANY, wxEVT_COMMAND_BUTTON_CLICKED,       wxCommandEventHandler (FilmEditor::content_earlier_clicked), 0, this);
        _content_later->Connect          (wxID_ANY, wxEVT_COMMAND_BUTTON_CLICKED,       wxCommandEventHandler (FilmEditor::content_later_clicked), 0, this);
+       _content_timeline->Connect       (wxID_ANY, wxEVT_COMMAND_BUTTON_CLICKED,       wxCommandEventHandler (FilmEditor::content_timeline_clicked), 0, this);
+       _loop_content->Connect           (wxID_ANY, wxEVT_COMMAND_CHECKBOX_CLICKED,     wxCommandEventHandler (FilmEditor::loop_content_toggled), 0, this);
+       _loop_count->Connect             (wxID_ANY, wxEVT_COMMAND_SPINCTRL_UPDATED,     wxCommandEventHandler (FilmEditor::loop_count_changed), 0, this);
        _left_crop->Connect              (wxID_ANY, wxEVT_COMMAND_SPINCTRL_UPDATED,     wxCommandEventHandler (FilmEditor::left_crop_changed), 0, this);
        _right_crop->Connect             (wxID_ANY, wxEVT_COMMAND_SPINCTRL_UPDATED,     wxCommandEventHandler (FilmEditor::right_crop_changed), 0, this);
        _top_crop->Connect               (wxID_ANY, wxEVT_COMMAND_SPINCTRL_UPDATED,     wxCommandEventHandler (FilmEditor::top_crop_changed), 0, this);
@@ -231,8 +238,6 @@ FilmEditor::connect_to_widgets ()
        _subtitle_scale->Connect         (wxID_ANY, wxEVT_COMMAND_SPINCTRL_UPDATED,     wxCommandEventHandler (FilmEditor::subtitle_scale_changed), 0, this);
        _colour_lut->Connect             (wxID_ANY, wxEVT_COMMAND_CHOICE_SELECTED,      wxCommandEventHandler (FilmEditor::colour_lut_changed), 0, this);
        _j2k_bandwidth->Connect          (wxID_ANY, wxEVT_COMMAND_SPINCTRL_UPDATED,     wxCommandEventHandler (FilmEditor::j2k_bandwidth_changed), 0, this);
-       _ffmpeg_subtitle_stream->Connect (wxID_ANY, wxEVT_COMMAND_CHOICE_SELECTED,      wxCommandEventHandler (FilmEditor::ffmpeg_subtitle_stream_changed), 0, this);
-       _ffmpeg_audio_stream->Connect    (wxID_ANY, wxEVT_COMMAND_CHOICE_SELECTED,      wxCommandEventHandler (FilmEditor::ffmpeg_audio_stream_changed), 0, this);
        _audio_gain->Connect             (wxID_ANY, wxEVT_COMMAND_SPINCTRL_UPDATED,     wxCommandEventHandler (FilmEditor::audio_gain_changed), 0, this);
        _audio_gain_calculate_button->Connect (
                wxID_ANY, wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler (FilmEditor::audio_gain_calculate_button_clicked), 0, this
@@ -356,20 +361,32 @@ FilmEditor::make_content_panel ()
                 b->Add (_content_add);
                 _content_remove = new wxButton (_content_panel, wxID_ANY, _("Remove"));
                 b->Add (_content_remove);
-                _content_edit = new wxButton (_content_panel, wxID_ANY, _("Edit..."));
-                b->Add (_content_edit);
+                _content_properties = new wxButton (_content_panel, wxID_ANY, _("Properties..."));
+                b->Add (_content_properties);
                 _content_earlier = new wxButton (_content_panel, wxID_ANY, _("Earlier"));
                 b->Add (_content_earlier);
                 _content_later = new wxButton (_content_panel, wxID_ANY, _("Later"));
                 b->Add (_content_later);
+               _content_timeline = new wxButton (_content_panel, wxID_ANY, _("Timeline..."));
+               b->Add (_content_timeline);
 
                 s->Add (b, 0, wxALL, 4);
 
-                _content_sizer->Add (s, 1, wxEXPAND | wxALL, 6);
+                _content_sizer->Add (s, 0.75, wxEXPAND | wxALL, 6);
         }
 
-       _content_information = new wxTextCtrl (_content_panel, wxID_ANY, wxT ("\n\n\n\n"), wxDefaultPosition, wxDefaultSize, wxTE_READONLY | wxTE_MULTILINE);
+       _content_information = new wxTextCtrl (_content_panel, wxID_ANY, wxT ("\n \n "), wxDefaultPosition, wxDefaultSize, wxTE_READONLY | wxTE_MULTILINE);
        _content_sizer->Add (_content_information, 1, wxEXPAND | wxALL, 6);
+
+       wxBoxSizer* h = new wxBoxSizer (wxHORIZONTAL);
+       _loop_content = new wxCheckBox (_content_panel, wxID_ANY, _("Loop everything"));
+       h->Add (_loop_content, 0, wxALL, 6);
+       _loop_count = new wxSpinCtrl (_content_panel, wxID_ANY);
+       h->Add (_loop_count, 0, wxALL, 6);
+       add_label_to_sizer (h, _content_panel, _("times"));
+       _content_sizer->Add (h, 0, wxALL, 6);
+
+       _loop_count->SetRange (2, 1024);
 }
 
 void
@@ -407,16 +424,6 @@ FilmEditor::make_audio_panel ()
                grid->Add (s);
        }
 
-        {
-                add_label_to_sizer (grid, _audio_panel, _("Audio Stream"));
-                wxBoxSizer* s = new wxBoxSizer (wxHORIZONTAL);
-                _ffmpeg_audio_stream = new wxChoice (_audio_panel, wxID_ANY);
-                s->Add (_ffmpeg_audio_stream, 1);
-                _audio = new wxStaticText (_audio_panel, wxID_ANY, wxT (""));
-                s->Add (_audio, 1, wxALIGN_CENTER_VERTICAL | wxLEFT, 8);
-                grid->Add (s, 1, wxEXPAND);
-        }
-
        _audio_mapping = new AudioMappingView (_audio_panel);
        _audio_sizer->Add (_audio_mapping, 1, wxEXPAND | wxALL, 6);
        
@@ -435,10 +442,8 @@ FilmEditor::make_subtitle_panel ()
 
        _with_subtitles = new wxCheckBox (_subtitle_panel, wxID_ANY, _("With Subtitles"));
        grid->Add (_with_subtitles, 1);
+       grid->AddSpacer (0);
        
-       _ffmpeg_subtitle_stream = new wxChoice (_subtitle_panel, wxID_ANY);
-       grid->Add (_ffmpeg_subtitle_stream);
-
        {
                add_label_to_sizer (grid, _subtitle_panel, _("Subtitle Offset"));
                wxBoxSizer* s = new wxBoxSizer (wxHORIZONTAL);
@@ -615,8 +620,13 @@ FilmEditor::film_changed (Film::Property p)
                setup_formats ();
                setup_format ();
                setup_subtitle_control_sensitivity ();
-               setup_streams ();
                setup_show_audio_sensitivity ();
+               setup_length ();
+               break;
+       case Film::LOOP:
+               checked_set (_loop_content, _film->loop() > 1);
+               checked_set (_loop_count, _film->loop());
+               setup_loop_sensitivity ();
                break;
        case Film::TRUST_CONTENT_HEADERS:
                checked_set (_trust_content_headers, _film->trust_content_headers ());
@@ -697,15 +707,20 @@ FilmEditor::film_changed (Film::Property p)
                setup_dcp_name ();
                break;
        case Film::DCP_FRAME_RATE:
+       {
+               bool done = false;
                for (unsigned int i = 0; i < _dcp_frame_rate->GetCount(); ++i) {
                        if (wx_to_std (_dcp_frame_rate->GetString(i)) == boost::lexical_cast<string> (_film->dcp_frame_rate())) {
-                               if (_dcp_frame_rate->GetSelection() != int(i)) {
-                                       _dcp_frame_rate->SetSelection (i);
-                                       break;
-                               }
+                               checked_set (_dcp_frame_rate, i);
+                               done = true;
+                               break;
                        }
                }
 
+               if (!done) {
+                       checked_set (_dcp_frame_rate, -1);
+               }
+
                if (_film->video_frame_rate()) {
                        _best_dcp_frame_rate->Enable (best_dcp_frame_rate (_film->video_frame_rate ()) != _film->dcp_frame_rate ());
                } else {
@@ -713,6 +728,7 @@ FilmEditor::film_changed (Film::Property p)
                }
                setup_frame_rate_description ();
                break;
+       }
        case Film::AUDIO_MAPPING:
                _audio_mapping->set_mapping (_film->audio_mapping ());
                break;
@@ -731,27 +747,17 @@ FilmEditor::film_content_changed (weak_ptr<Content> content, int property)
                
        if (property == FFmpegContentProperty::SUBTITLE_STREAMS) {
                setup_subtitle_control_sensitivity ();
-               setup_streams ();
        } else if (property == FFmpegContentProperty::AUDIO_STREAMS) {
-               setup_streams ();
                setup_show_audio_sensitivity ();
-       } else if (property == VideoContentProperty::VIDEO_LENGTH) {
+       } else if (property == VideoContentProperty::VIDEO_LENGTH || property == AudioContentProperty::AUDIO_LENGTH) {
                setup_length ();
                boost::shared_ptr<Content> c = content.lock ();
                if (c && c == selected_content()) {
                        setup_content_information ();
                }
        } else if (property == FFmpegContentProperty::AUDIO_STREAM) {
-               if (_film->ffmpeg_audio_stream()) {
-                       checked_set (_ffmpeg_audio_stream, boost::lexical_cast<string> (_film->ffmpeg_audio_stream()->id));
-               }
                setup_dcp_name ();
-               setup_audio_details ();
                setup_show_audio_sensitivity ();
-       } else if (property == FFmpegContentProperty::SUBTITLE_STREAM) {
-               if (_film->ffmpeg_subtitle_stream()) {
-                       checked_set (_ffmpeg_subtitle_stream, boost::lexical_cast<string> (_film->ffmpeg_subtitle_stream()->id));
-               }
        }
 }
 
@@ -779,17 +785,19 @@ void
 FilmEditor::setup_length ()
 {
        stringstream s;
-       if (_film->video_frame_rate() > 0 && _film->video_length()) {
-               s << _film->video_length() << " "
-                 << wx_to_std (_("frames")) << "; " << seconds_to_hms (_film->video_length() / _film->video_frame_rate());
-       } else if (_film->video_length()) {
-               s << _film->video_length() << " "
-                 << wx_to_std (_("frames"));
-       } 
+       ContentVideoFrame const frames = _film->content_length ();
+       
+       if (frames && _film->video_frame_rate()) {
+               s << frames << " " << wx_to_std (_("frames")) << "; " << seconds_to_hms (frames / _film->video_frame_rate());
+       } else if (frames) {
+               s << frames << " " << wx_to_std (_("frames"));
+       }
+
        _length->SetLabel (std_to_wx (s.str ()));
-       if (_film->video_length()) {
-               _trim_start->SetRange (0, _film->video_length());
-               _trim_end->SetRange (0, _film->video_length());
+       
+       if (frames) {
+               _trim_start->SetRange (0, frames);
+               _trim_end->SetRange (0, frames);
        }
 }      
 
@@ -880,6 +888,7 @@ FilmEditor::set_film (shared_ptr<Film> f)
        film_changed (Film::NAME);
        film_changed (Film::USE_DCI_NAME);
        film_changed (Film::CONTENT);
+       film_changed (Film::LOOP);
        film_changed (Film::TRUST_CONTENT_HEADERS);
        film_changed (Film::DCP_CONTENT_TYPE);
        film_changed (Film::FORMAT);
@@ -905,6 +914,8 @@ FilmEditor::set_film (shared_ptr<Film> f)
        film_content_changed (boost::shared_ptr<Content> (), FFmpegContentProperty::SUBTITLE_STREAM);
        film_content_changed (boost::shared_ptr<Content> (), FFmpegContentProperty::AUDIO_STREAMS);
        film_content_changed (boost::shared_ptr<Content> (), FFmpegContentProperty::AUDIO_STREAM);
+
+       setup_content_information ();
 }
 
 /** Updates the sensitivity of lots of widgets to a given value.
@@ -928,8 +939,8 @@ FilmEditor::set_things_sensitive (bool s)
        _bottom_crop->Enable (s);
        _filters_button->Enable (s);
        _scaler->Enable (s);
-       _ffmpeg_audio_stream->Enable (s);
        _dcp_content_type->Enable (s);
+       _best_dcp_frame_rate->Enable (s);
        _dcp_frame_rate->Enable (s);
        _trim_start->Enable (s);
        _trim_end->Enable (s);
@@ -1084,7 +1095,7 @@ FilmEditor::setup_subtitle_control_sensitivity ()
 {
        bool h = false;
        if (_generally_sensitive && _film) {
-               h = !_film->ffmpeg_subtitle_streams().empty();
+               h = _film->has_subtitles ();
        }
        
        _with_subtitles->Enable (h);
@@ -1094,7 +1105,6 @@ FilmEditor::setup_subtitle_control_sensitivity ()
                j = _film->with_subtitles ();
        }
        
-       _ffmpeg_subtitle_stream->Enable (j);
        _subtitle_offset->Enable (j);
        _subtitle_scale->Enable (j);
 }
@@ -1122,93 +1132,6 @@ FilmEditor::edit_dci_button_clicked (wxCommandEvent &)
        d->Destroy ();
 }
 
-void
-FilmEditor::setup_streams ()
-{
-       if (!_film) {
-               return;
-       }
-       
-       _ffmpeg_audio_stream->Clear ();
-       vector<FFmpegAudioStream> a = _film->ffmpeg_audio_streams ();
-       for (vector<FFmpegAudioStream>::iterator i = a.begin(); i != a.end(); ++i) {
-               _ffmpeg_audio_stream->Append (std_to_wx (i->name), new wxStringClientData (std_to_wx (boost::lexical_cast<string> (i->id))));
-       }
-       
-       if (_film->ffmpeg_audio_stream()) {
-               checked_set (_ffmpeg_audio_stream, boost::lexical_cast<string> (_film->ffmpeg_audio_stream()->id));
-       }
-
-       _ffmpeg_subtitle_stream->Clear ();
-       vector<FFmpegSubtitleStream> s = _film->ffmpeg_subtitle_streams ();
-       for (vector<FFmpegSubtitleStream>::iterator i = s.begin(); i != s.end(); ++i) {
-               _ffmpeg_subtitle_stream->Append (std_to_wx (i->name), new wxStringClientData (std_to_wx (boost::lexical_cast<string> (i->id))));
-       }
-       
-       if (_film->ffmpeg_subtitle_stream()) {
-               checked_set (_ffmpeg_subtitle_stream, boost::lexical_cast<string> (_film->ffmpeg_subtitle_stream()->id));
-       } else {
-               _ffmpeg_subtitle_stream->SetSelection (wxNOT_FOUND);
-       }
-}
-
-void
-FilmEditor::ffmpeg_audio_stream_changed (wxCommandEvent &)
-{
-       if (!_film) {
-               return;
-       }
-
-       vector<FFmpegAudioStream> a = _film->ffmpeg_audio_streams ();
-       vector<FFmpegAudioStream>::iterator i = a.begin ();
-       string const s = string_client_data (_ffmpeg_audio_stream->GetClientObject (_ffmpeg_audio_stream->GetSelection ()));
-       while (i != a.end() && lexical_cast<string> (i->id) != s) {
-               ++i;
-       }
-
-       if (i != a.end ()) {
-               _film->set_ffmpeg_audio_stream (*i);
-       }
-}
-
-void
-FilmEditor::ffmpeg_subtitle_stream_changed (wxCommandEvent &)
-{
-       if (!_film) {
-               return;
-       }
-
-       vector<FFmpegSubtitleStream> a = _film->ffmpeg_subtitle_streams ();
-       vector<FFmpegSubtitleStream>::iterator i = a.begin ();
-       string const s = string_client_data (_ffmpeg_subtitle_stream->GetClientObject (_ffmpeg_subtitle_stream->GetSelection ()));
-       while (i != a.end() && lexical_cast<string> (i->id) != s) {
-               ++i;
-       }
-
-       if (i != a.end ()) {
-               _film->set_ffmpeg_subtitle_stream (*i);
-       }
-}
-
-void
-FilmEditor::setup_audio_details ()
-{
-       if (!_film->ffmpeg_audio_stream()) {
-               _audio->SetLabel (wxT (""));
-       } else {
-               wxString s;
-               if (_film->audio_channels() == 1) {
-                       s << _("1 channel");
-               } else {
-                       s << _film->audio_channels() << wxT (" ") << _("channels");
-               }
-               s << wxT (", ") << _film->audio_frame_rate() << _("Hz");
-               _audio->SetLabel (s);
-       }
-
-       setup_notebook_size ();
-}
-
 void
 FilmEditor::active_jobs_changed (bool a)
 {
@@ -1280,12 +1203,14 @@ FilmEditor::setup_content ()
                /* Select the first item of content if non was selected before */
                _content->SetItemState (0, wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
        }
+
+       setup_content_information ();
 }
 
 void
 FilmEditor::content_add_clicked (wxCommandEvent &)
 {
-       wxFileDialog* d = new wxFileDialog (this);
+       wxFileDialog* d = new wxFileDialog (this, _("Choose a file or files"), wxT (""), wxT (""), wxT ("*.*"), wxFD_MULTIPLE);
        int const r = d->ShowModal ();
        d->Destroy ();
 
@@ -1293,16 +1218,20 @@ FilmEditor::content_add_clicked (wxCommandEvent &)
                return;
        }
 
-       boost::filesystem::path p (wx_to_std (d->GetPath()));
+       wxArrayString paths;
+       d->GetPaths (paths);
 
-       if (ImageMagickContent::valid_file (p)) {
-               _film->add_content (shared_ptr<ImageMagickContent> (new ImageMagickContent (p)));
-       } else if (SndfileContent::valid_file (p)) {
-               _film->add_content (shared_ptr<SndfileContent> (new SndfileContent (p)));
-       } else {
-               _film->add_content (shared_ptr<FFmpegContent> (new FFmpegContent (p)));
+       for (unsigned int i = 0; i < paths.GetCount(); ++i) {
+               boost::filesystem::path p (wx_to_std (paths[i]));
+
+               if (ImageMagickContent::valid_file (p)) {
+                       _film->add_content (shared_ptr<ImageMagickContent> (new ImageMagickContent (p)));
+               } else if (SndfileContent::valid_file (p)) {
+                       _film->add_content (shared_ptr<SndfileContent> (new SndfileContent (p)));
+               } else {
+                       _film->add_content (shared_ptr<FFmpegContent> (new FFmpegContent (p)));
+               }
        }
-       
 }
 
 void
@@ -1320,30 +1249,35 @@ FilmEditor::content_activated (wxListEvent& ev)
        ContentList c = _film->content ();
        assert (ev.GetIndex() >= 0 && size_t (ev.GetIndex()) < c.size ());
 
-       edit_content (c[ev.GetIndex()]);
+       content_properties (c[ev.GetIndex()]);
 }
 
 void
-FilmEditor::content_edit_clicked (wxCommandEvent &)
+FilmEditor::content_properties_clicked (wxCommandEvent &)
 {
        shared_ptr<Content> c = selected_content ();
        if (!c) {
                return;
        }
 
-       edit_content (c);
+       content_properties (c);
 }
 
 void
-FilmEditor::edit_content (shared_ptr<Content> c)
+FilmEditor::content_properties (shared_ptr<Content> c)
 {
        shared_ptr<ImageMagickContent> im = dynamic_pointer_cast<ImageMagickContent> (c);
        if (im) {
                ImageMagickContentDialog* d = new ImageMagickContentDialog (this, im);
                d->ShowModal ();
                d->Destroy ();
+       }
 
-               im->set_video_length (d->video_length() * 24);
+       shared_ptr<FFmpegContent> ff = dynamic_pointer_cast<FFmpegContent> (c);
+       if (ff) {
+               FFmpegContentDialog* d = new FFmpegContentDialog (this, ff);
+               d->ShowModal ();
+               d->Destroy ();
        }
 }
 
@@ -1391,10 +1325,15 @@ FilmEditor::setup_content_button_sensitivity ()
 
        shared_ptr<Content> selection = selected_content ();
 
-        _content_edit->Enable (selection && _generally_sensitive && dynamic_pointer_cast<ImageMagickContent> (selection));
+        _content_properties->Enable (
+               selection && _generally_sensitive &&
+               (dynamic_pointer_cast<ImageMagickContent> (selection) || dynamic_pointer_cast<FFmpegContent> (selection))
+               );
+       
         _content_remove->Enable (selection && _generally_sensitive);
         _content_earlier->Enable (selection && _generally_sensitive);
         _content_later->Enable (selection && _generally_sensitive);
+       _content_timeline->Enable (_generally_sensitive);
 }
 
 shared_ptr<Content>
@@ -1474,3 +1413,39 @@ FilmEditor::trim_type_changed (wxCommandEvent &)
 {
        _film->set_trim_type (_trim_type->GetSelection () == 0 ? Film::CPL : Film::ENCODE);
 }
+
+void
+FilmEditor::loop_content_toggled (wxCommandEvent &)
+{
+       if (_loop_content->GetValue ()) {
+               _film->set_loop (_loop_count->GetValue ());
+       } else {
+               _film->set_loop (1);
+       }
+               
+       setup_loop_sensitivity ();
+}
+
+void
+FilmEditor::loop_count_changed (wxCommandEvent &)
+{
+       _film->set_loop (_loop_count->GetValue ());
+}
+
+void
+FilmEditor::setup_loop_sensitivity ()
+{
+       _loop_count->Enable (_loop_content->GetValue ());
+}
+
+void
+FilmEditor::content_timeline_clicked (wxCommandEvent &)
+{
+       if (_timeline_dialog) {
+               _timeline_dialog->Destroy ();
+               _timeline_dialog = 0;
+       }
+       
+       _timeline_dialog = new TimelineDialog (this, _film->playlist ());
+       _timeline_dialog->Show ();
+}