src/wx/markers_dialog.cc

   1 /*
   2     Copyright (C) 2019-2021 Carl Hetherington <cth@carlh.net>
   3
   4     This file is part of DCP-o-matic.
   5
   6     DCP-o-matic is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     DCP-o-matic is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 */
  20
  21
  22 #include "check_box.h"
  23 #include "dcpomatic_button.h"
  24 #include "film_viewer.h"
  25 #include "markers_dialog.h"
  26 #include "static_text.h"
  27 #include "timecode.h"
  28 #include "wx_util.h"
  29 #include "lib/film.h"
  30 #include <dcp/types.h>
  31 #include <wx/gbsizer.h>
  32 #include <boost/bind/bind.hpp>
  33
  34
  35 using std::make_shared;
  36 using std::shared_ptr;
  37 using std::weak_ptr;
  38 using boost::bind;
  39 using boost::optional;
  40 using dcpomatic::DCPTime;
  41
  42
  43 class Marker
  44 {
  45 public:
  46         Marker (wxWindow* parent, wxGridBagSizer* grid, int row, weak_ptr<Film> film_, weak_ptr<FilmViewer> viewer_, wxString name, dcp::Marker type_)
  47                 : film (film_)
  48                 , viewer (viewer_)
  49                 , type (type_)
  50         {
  51                 checkbox = new CheckBox(parent, name);
  52                 grid->Add (checkbox, wxGBPosition(row, 0), wxDefaultSpan, wxALIGN_CENTER_VERTICAL);
  53                 timecode = new Timecode<DCPTime> (parent);
  54                 grid->Add (timecode, wxGBPosition(row, 1));
  55                 set_button = new Button (parent, _("Set from current position"));
  56                 grid->Add (set_button, wxGBPosition(row, 2));
  57
  58                 auto f = film.lock ();
  59                 DCPOMATIC_ASSERT (f);
  60
  61                 auto t = f->marker (type);
  62                 checkbox->SetValue (static_cast<bool>(t));
  63                 if (t) {
  64                         timecode->set (*t, f->video_frame_rate());
  65                 }
  66
  67                 set_sensitivity ();
  68
  69                 set_button->Bind (wxEVT_BUTTON, bind(&Marker::set, this));
  70                 checkbox->Bind (wxEVT_CHECKBOX, bind(&Marker::checkbox_clicked, this));
  71                 timecode->Changed.connect (bind(&Marker::changed, this));
  72         }
  73
  74 private:
  75         void checkbox_clicked ()
  76         {
  77                 set_sensitivity ();
  78                 changed ();
  79         }
  80
  81         void set_sensitivity ()
  82         {
  83                 timecode->Enable (checkbox->GetValue());
  84                 set_button->Enable (checkbox->GetValue());
  85         }
  86
  87         void set ()
  88         {
  89                 auto f = film.lock ();
  90                 DCPOMATIC_ASSERT (f);
  91                 auto v = viewer.lock ();
  92                 DCPOMATIC_ASSERT (v);
  93                 timecode->set (v->position(), f->video_frame_rate());
  94                 changed ();
  95         }
  96
  97         void changed ()
  98         {
  99                 auto f = film.lock ();
 100                 DCPOMATIC_ASSERT (f);
 101                 auto vfr = f->video_frame_rate();
 102                 auto tc = timecode->get(vfr);
 103                 if (tc >= f->length()) {
 104                         tc = f->length() - DCPTime::from_frames(1, vfr);
 105                         timecode->set (tc, vfr);
 106                 }
 107                 if (checkbox->GetValue()) {
 108                         f->set_marker (type, tc);
 109                 } else {
 110                         f->unset_marker (type);
 111                 }
 112         }
 113
 114         weak_ptr<Film> film;
 115         weak_ptr<FilmViewer> viewer;
 116         dcp::Marker type;
 117         CheckBox* checkbox;
 118         Timecode<dcpomatic::DCPTime>* timecode;
 119         Button* set_button;
 120 };
 121
 122
 123 MarkersDialog::MarkersDialog (wxWindow* parent, weak_ptr<Film> film, weak_ptr<FilmViewer> viewer)
 124         : wxDialog (parent, wxID_ANY, _("Markers"))
 125         , _film (film)
 126 {
 127         auto sizer = new wxBoxSizer (wxVERTICAL);
 128         auto grid = new wxGridBagSizer (DCPOMATIC_SIZER_X_GAP, DCPOMATIC_SIZER_Y_GAP);
 129
 130         int r = 0;
 131         _markers.push_back (make_shared<Marker>(this, grid, r++, film, viewer, _("First frame of composition"), dcp::Marker::FFOC));
 132         _markers.push_back (make_shared<Marker>(this, grid, r++, film, viewer, _("Last frame of composition"), dcp::Marker::LFOC));
 133         _markers.push_back (make_shared<Marker>(this, grid, r++, film, viewer, _("First frame of title credits"), dcp::Marker::FFTC));
 134         _markers.push_back (make_shared<Marker>(this, grid, r++, film, viewer, _("Last frame of title credits"), dcp::Marker::LFTC));
 135         _markers.push_back (make_shared<Marker>(this, grid, r++, film, viewer, _("First frame of intermission"), dcp::Marker::FFOI));
 136         _markers.push_back (make_shared<Marker>(this, grid, r++, film, viewer, _("Last frame of intermission"), dcp::Marker::LFOI));
 137         _markers.push_back (make_shared<Marker>(this, grid, r++, film, viewer, _("First frame of end credits"), dcp::Marker::FFEC));
 138         _markers.push_back (make_shared<Marker>(this, grid, r++, film, viewer, _("Last frame of end credits"), dcp::Marker::LFEC));
 139         _markers.push_back (make_shared<Marker>(this, grid, r++, film, viewer, _("First frame of moving credits"), dcp::Marker::FFMC));
 140         _markers.push_back (make_shared<Marker>(this, grid, r++, film, viewer, _("Last frame of moving credits"), dcp::Marker::LFMC));
 141
 142         sizer->Add (grid, 0, wxALL, 8);
 143
 144         auto buttons = CreateSeparatedButtonSizer (wxCLOSE);
 145         if (buttons) {
 146                 sizer->Add (buttons, wxSizerFlags().Expand().DoubleBorder());
 147         }
 148
 149         SetSizerAndFit (sizer);
 150 }