src/wx/subtag_list_ctrl.cc

   1 /*
   2     Copyright (C) 2020-2021 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 "subtag_list_ctrl.h"
  23 #include "lib/dcpomatic_assert.h"
  24 #include <wx/wx.h>
  25 #include <boost/algorithm/string.hpp>
  26
  27
  28 using std::string;
  29 using boost::optional;
  30
  31
  32 SubtagListCtrl::SubtagListCtrl(wxWindow* parent)
  33         : wxListCtrl(parent, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxLC_REPORT | wxLC_SINGLE_SEL | wxLC_NO_HEADER | wxLC_VIRTUAL)
  34 {
  35         AppendColumn("", wxLIST_FORMAT_LEFT, 80);
  36         AppendColumn("", wxLIST_FORMAT_LEFT, 400);
  37 }
  38
  39
  40 void
  41 SubtagListCtrl::set(dcp::LanguageTag::SubtagType type, string search, optional<dcp::LanguageTag::SubtagData> subtag)
  42 {
  43         _all_subtags = dcp::LanguageTag::get_all(type);
  44         set_search(search);
  45         if (subtag) {
  46                 auto i = find(_matching_subtags.begin(), _matching_subtags.end(), *subtag);
  47                 if (i != _matching_subtags.end()) {
  48                         auto item = std::distance(_matching_subtags.begin(), i);
  49                         SetItemState(item, wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
  50                         EnsureVisible(item);
  51                 }
  52         } else {
  53                 if (GetItemCount() > 0) {
  54                         /* The new list sometimes isn't visible without this */
  55                         EnsureVisible(0);
  56                 }
  57         }
  58 }
  59
  60
  61 void
  62 SubtagListCtrl::set_search(string search)
  63 {
  64         if (search == "") {
  65                 _matching_subtags = _all_subtags;
  66         } else {
  67                 _matching_subtags.clear();
  68
  69                 boost::algorithm::to_lower(search);
  70                 for (auto const& i: _all_subtags) {
  71                         if (
  72                                 (boost::algorithm::to_lower_copy(i.subtag).find(search) != string::npos) ||
  73                                 (boost::algorithm::to_lower_copy(i.description).find(search) != string::npos)) {
  74                                 _matching_subtags.push_back (i);
  75                         }
  76                 }
  77         }
  78
  79         SetItemCount(_matching_subtags.size());
  80         if (GetItemCount() > 0) {
  81                 RefreshItems(0, GetItemCount() - 1);
  82         }
  83 }
  84
  85
  86 optional<dcp::LanguageTag::SubtagData>
  87 SubtagListCtrl::selected_subtag() const
  88 {
  89         auto selected = GetNextItem(-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
  90         if (selected == -1) {
  91                 return {};
  92         }
  93
  94         DCPOMATIC_ASSERT(static_cast<size_t>(selected) < _matching_subtags.size());
  95         return _matching_subtags[selected];
  96 }
  97
  98
  99 wxString
 100 SubtagListCtrl::OnGetItemText(long item, long column) const
 101 {
 102         if (column == 0) {
 103                 return _matching_subtags[item].subtag;
 104         } else {
 105                 return _matching_subtags[item].description;
 106         }
 107 }
 108