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