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 "lib/warnings.h"
  31 #include <dcp/types.h>
  32 DCPOMATIC_DISABLE_WARNINGS
  33 #include <wx/gbsizer.h>
  34 DCPOMATIC_ENABLE_WARNINGS
  35 #include <boost/bind/bind.hpp>
  36
  37
  38 using std::make_shared;
  39 using std::shared_ptr;
  40 using std::weak_ptr;
  41 using boost::bind;
  42 using boost::optional;
  43 using dcpomatic::DCPTime;
  44
  45
  46 class Marker
  47 {
  48 public:
  49         Marker (wxWindow* parent, wxGridBagSizer* grid, int row, weak_ptr<Film> film_, weak_ptr<FilmViewer> viewer_, wxString name, dcp::Marker type_)
  50                 : film (film_)
  51                 , viewer (viewer_)
  52                 , type (type_)
  53         {
  54                 checkbox = new CheckBox(parent, name);
  55                 grid->Add (checkbox, wxGBPosition(row, 0), wxDefaultSpan, wxALIGN_CENTER_VERTICAL);
  56                 timecode = new Timecode<DCPTime> (parent);
  57                 grid->Add (timecode, wxGBPosition(row, 1));
  58                 set_button = new Button (parent, _("Set from current position"));
  59                 grid->Add (set_button, wxGBPosition(row, 2));
  60
  61                 auto f = film.lock ();
  62                 DCPOMATIC_ASSERT (f);
  63
  64                 auto t = f->marker (type);
  65                 checkbox->SetValue (static_cast<bool>(t));
  66                 if (t) {
  67                         timecode->set (*t, f->video_frame_rate());
  68                 }
  69
  70                 set_sensitivity ();
  71
  72                 set_button->Bind (wxEVT_BUTTON, bind(&Marker::set, this));
  73                 checkbox->Bind (wxEVT_CHECKBOX, bind(&Marker::checkbox_clicked, this));
  74                 timecode->Changed.connect (bind(&Marker::changed, this));
  75         }
  76
  77 private:
  78         void checkbox_clicked ()
  79         {
  80                 set_sensitivity ();
  81                 changed ();
  82         }
  83
  84         void set_sensitivity ()
  85         {
  86                 timecode->Enable (checkbox->GetValue());
  87                 set_button->Enable (checkbox->GetValue());
  88         }
  89
  90         void set ()
  91         {
  92                 auto f = film.lock ();
  93                 DCPOMATIC_ASSERT (f);
  94                 auto v = viewer.lock ();
  95                 DCPOMATIC_ASSERT (v);
  96                 timecode->set (v->position(), f->video_frame_rate());
  97                 changed ();
  98         }
  99
 100         void changed ()
 101         {
 102                 auto f = film.lock ();
 103                 DCPOMATIC_ASSERT (f);
 104                 auto vfr = f->video_frame_rate();
 105                 auto tc = timecode->get(vfr);
 106                 if (tc >= f->length()) {
 107                         tc = f->length() - DCPTime::from_frames(1, vfr);
 108                         timecode->set (tc, vfr);
 109                 }
 110                 if (checkbox->GetValue()) {
 111                         f->set_marker (type, tc);
 112                 } else {
 113                         f->unset_marker (type);
 114                 }
 115         }
 116
 117         weak_ptr<Film> film;
 118         weak_ptr<FilmViewer> viewer;
 119         dcp::Marker type;
 120         CheckBox* checkbox;
 121         Timecode<dcpomatic::DCPTime>* timecode;
 122         Button* set_button;
 123 };
 124
 125
 126 MarkersDialog::MarkersDialog (wxWindow* parent, weak_ptr<Film> film, weak_ptr<FilmViewer> viewer)
 127         : wxDialog (parent, wxID_ANY, _("Markers"))
 128         , _film (film)
 129 {
 130         auto sizer = new wxBoxSizer (wxVERTICAL);
 131         auto grid = new wxGridBagSizer (DCPOMATIC_SIZER_X_GAP, DCPOMATIC_SIZER_Y_GAP);
 132
 133         int r = 0;
 134         _markers.push_back (make_shared<Marker>(this, grid, r++, film, viewer, _("First frame of composition"), dcp::Marker::FFOC));
 135         _markers.push_back (make_shared<Marker>(this, grid, r++, film, viewer, _("Last frame of composition"), dcp::Marker::LFOC));
 136         _markers.push_back (make_shared<Marker>(this, grid, r++, film, viewer, _("First frame of title credits"), dcp::Marker::FFTC));
 137         _markers.push_back (make_shared<Marker>(this, grid, r++, film, viewer, _("Last frame of title credits"), dcp::Marker::LFTC));
 138         _markers.push_back (make_shared<Marker>(this, grid, r++, film, viewer, _("First frame of intermission"), dcp::Marker::FFOI));
 139         _markers.push_back (make_shared<Marker>(this, grid, r++, film, viewer, _("Last frame of intermission"), dcp::Marker::LFOI));
 140         _markers.push_back (make_shared<Marker>(this, grid, r++, film, viewer, _("First frame of end credits"), dcp::Marker::FFEC));
 141         _markers.push_back (make_shared<Marker>(this, grid, r++, film, viewer, _("Last frame of end credits"), dcp::Marker::LFEC));
 142         _markers.push_back (make_shared<Marker>(this, grid, r++, film, viewer, _("First frame of moving credits"), dcp::Marker::FFMC));
 143         _markers.push_back (make_shared<Marker>(this, grid, r++, film, viewer, _("Last frame of moving credits"), dcp::Marker::LFMC));
 144
 145         sizer->Add (grid, 0, wxALL, 8);
 146
 147         auto buttons = CreateSeparatedButtonSizer (wxCLOSE);
 148         if (buttons) {
 149                 sizer->Add (buttons, wxSizerFlags().Expand().DoubleBorder());
 150         }
 151
 152         SetSizerAndFit (sizer);
 153 }