From: Carl Hetherington <cth@carlh.net>
Date: Sun, 23 Aug 2020 20:08:00 +0000 (+0200)
Subject: DROPME: add test wxWidgets UI for LanguageTag editing.
X-Git-Url: https://main.carlh.net/gitweb/?a=commitdiff_plain;h=b3dc4d260bc839e677013b620f70be867bd97905;p=libdcp.git

DROPME: add test wxWidgets UI for LanguageTag editing.
---

diff --git a/langtest.cc b/langtest.cc
new file mode 100644
index 00000000..bad4a0d8
--- /dev/null
+++ b/langtest.cc
@@ -0,0 +1,350 @@
+#include <dcp/language_tag.h>
+#include <wx/listctrl.h>
+#include <wx/srchctrl.h>
+#include <wx/wx.h>
+#include <boost/algorithm/string.hpp>
+#include <boost/bind.hpp>
+#include <boost/enable_shared_from_this.hpp>
+#include <boost/foreach.hpp>
+#include <boost/shared_ptr.hpp>
+#include <boost/signals2.hpp>
+#include <iostream>
+#include <iterator>
+
+
+using std::string;
+using std::vector;
+using boost::enable_shared_from_this;
+using boost::optional;
+using boost::shared_ptr;
+using boost::weak_ptr;
+
+
+class SubtagListCtrl : public wxListCtrl
+{
+public:
+	SubtagListCtrl (wxWindow* parent)
+		: wxListCtrl (parent, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxLC_REPORT | wxLC_SINGLE_SEL | wxLC_NO_HEADER | wxLC_VIRTUAL)
+	{
+		AppendColumn ("", wxLIST_FORMAT_LEFT, 80);
+		AppendColumn ("", wxLIST_FORMAT_LEFT, 400);
+	}
+
+	void set_type_and_search (dcp::LanguageTag::SubtagType type, string search, optional<dcp::LanguageTag::Subtag> subtag = optional<dcp::LanguageTag::Subtag>())
+	{
+		_all_subtags = dcp::LanguageTag::get_all(type);
+		set_search (search);
+		if (subtag) {
+			vector<dcp::LanguageTag::Subtag>::iterator i = find(_matching_subtags.begin(), _matching_subtags.end(), *subtag);
+			if (i != _matching_subtags.end()) {
+				SetItemState (std::distance(_matching_subtags.begin(), i), wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
+			}
+		}
+	}
+
+	void set_search (string search)
+	{
+		if (search == "") {
+			_matching_subtags = _all_subtags;
+		} else {
+			_matching_subtags.clear ();
+
+			boost::algorithm::to_lower(search);
+			BOOST_FOREACH (dcp::LanguageTag::Subtag const& i, _all_subtags) {
+				if (
+					(boost::algorithm::to_lower_copy(i.subtag).find(search) != string::npos) ||
+					(boost::algorithm::to_lower_copy(i.description).find(search) != string::npos)) {
+					_matching_subtags.push_back (i);
+				}
+			}
+		}
+
+		SetItemCount (_matching_subtags.size());
+		if (GetItemCount() > 0) {
+			RefreshItems (0, GetItemCount() - 1);
+		}
+	}
+
+	optional<dcp::LanguageTag::Subtag> selected_subtag () const
+	{
+		long int selected = GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
+		if (selected == -1) {
+			return optional<dcp::LanguageTag::Subtag>();
+		}
+
+		//DCPOMATIC_ASSERT (selected < _matching_subtags.size());
+		return _matching_subtags[selected];
+	}
+
+private:
+	wxString OnGetItemText (long item, long column) const
+	{
+		if (column == 0) {
+			return _matching_subtags[item].subtag;
+		} else {
+			return _matching_subtags[item].description;
+		}
+	}
+
+	std::vector<dcp::LanguageTag::Subtag> _all_subtags;
+	std::vector<dcp::LanguageTag::Subtag> _matching_subtags;
+};
+
+
+class LanguageSubtagPanel : public wxPanel
+{
+public:
+	LanguageSubtagPanel (wxWindow* parent)
+		: wxPanel (parent, wxID_ANY)
+	{
+#ifdef __WXGTK3__
+		int const height = 30;
+#else
+		int const height = -1;
+#endif
+
+		_search = new wxSearchCtrl (this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize(200, height));
+		_list = new SubtagListCtrl (this);
+
+		wxBoxSizer* sizer = new wxBoxSizer (wxVERTICAL);
+		sizer->Add (_search, 0, wxALL, 8);
+		sizer->Add (_list, 1, wxALL, 8);
+		SetSizerAndFit (sizer);
+
+		_search->Bind (wxEVT_TEXT, boost::bind(&LanguageSubtagPanel::search_changed, this));
+		_list->Bind (wxEVT_LIST_ITEM_SELECTED, boost::bind(&LanguageSubtagPanel::selection_changed, this));
+		_list->Bind (wxEVT_LIST_ITEM_DESELECTED, boost::bind(&LanguageSubtagPanel::selection_changed, this));
+	}
+
+	void set_type_and_search (dcp::LanguageTag::SubtagType type, string search, optional<dcp::LanguageTag::Subtag> subtag = optional<dcp::LanguageTag::Subtag>())
+	{
+		_list->set_type_and_search (type, search, subtag);
+		_search->SetValue (wxString(search));
+	}
+
+	boost::signals2::signal<void (optional<dcp::LanguageTag::Subtag>)> SelectionChanged;
+	boost::signals2::signal<void (string)> SearchChanged;
+
+private:
+	void search_changed ()
+	{
+		_list->set_search (_search->GetValue().ToStdString());
+		SearchChanged (_search->GetValue().ToStdString());
+	}
+
+	void selection_changed ()
+	{
+		SelectionChanged (_list->selected_subtag());
+	}
+
+	wxSearchCtrl* _search;
+	SubtagListCtrl* _list;
+};
+
+
+
+
+class LanguageTagDialog : public wxDialog
+{
+public:
+	class Subtag
+	{
+	public:
+		Subtag (dcp::LanguageTag::SubtagType type_, dcp::LanguageTag::Subtag subtag_)
+			: type (type_)
+			, subtag (subtag_)
+		{}
+
+		dcp::LanguageTag::SubtagType type;
+		dcp::LanguageTag::Subtag subtag;
+		std::string last_search;
+	};
+
+	LanguageTagDialog (wxWindow* parent)
+		: wxDialog (parent, wxID_ANY, "Language Tag")
+	{
+		_current_tag_list = new wxListCtrl (this, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxLC_REPORT | wxLC_SINGLE_SEL | wxLC_NO_HEADER);
+		_current_tag_list->AppendColumn ("", wxLIST_FORMAT_LEFT, 200);
+		_current_tag_list->AppendColumn ("", wxLIST_FORMAT_LEFT, 400);
+
+		wxBoxSizer* button_sizer = new wxBoxSizer (wxVERTICAL);
+		_add_script = new wxButton(this, wxID_ANY, "Add script");
+		button_sizer->Add (_add_script, 1, wxTOP | wxBOTTOM | wxEXPAND, 2);
+		_add_region = new wxButton(this, wxID_ANY, "Add region");
+		button_sizer->Add (_add_region, 1, wxTOP | wxBOTTOM | wxEXPAND, 2);
+		_add_variant = new wxButton(this, wxID_ANY, "Add variant");
+		button_sizer->Add (_add_variant, 1, wxTOP | wxBOTTOM | wxEXPAND, 2);
+		_add_external = new wxButton(this, wxID_ANY, "Add external");
+		button_sizer->Add (_add_external, 1, wxTOP | wxBOTTOM | wxEXPAND, 2);
+
+		_choose_subtag_panel = new LanguageSubtagPanel (this);
+		_choose_subtag_panel->set_type_and_search (dcp::LanguageTag::LANGUAGE, "de");
+
+		wxBoxSizer* overall_sizer = new wxBoxSizer (wxHORIZONTAL);
+		overall_sizer->Add (_current_tag_list, 1, wxALL, 8);
+		overall_sizer->Add (button_sizer, 0, wxALL, 8);
+		overall_sizer->Add (_choose_subtag_panel, 1, wxALL, 8);
+
+		SetSizerAndFit (overall_sizer);
+
+		add_to_current_tag (dcp::LanguageTag::LANGUAGE, dcp::LanguageTag::Subtag("en", "English"));
+
+		_add_script->Bind (wxEVT_BUTTON, boost::bind(&LanguageTagDialog::add_to_current_tag, this, dcp::LanguageTag::SCRIPT, dcp::LanguageTag::Subtag()));
+		_add_region->Bind (wxEVT_BUTTON, boost::bind(&LanguageTagDialog::add_to_current_tag, this, dcp::LanguageTag::REGION, dcp::LanguageTag::Subtag()));
+		_add_variant->Bind (wxEVT_BUTTON, boost::bind(&LanguageTagDialog::add_to_current_tag, this, dcp::LanguageTag::VARIANT, dcp::LanguageTag::Subtag()));
+		_add_external->Bind (wxEVT_BUTTON, boost::bind(&LanguageTagDialog::add_to_current_tag, this, dcp::LanguageTag::EXTLANG, dcp::LanguageTag::Subtag()));
+		_choose_subtag_panel->SelectionChanged.connect(bind(&LanguageTagDialog::chosen_subtag_changed, this, _1));
+		_choose_subtag_panel->SearchChanged.connect(bind(&LanguageTagDialog::search_changed, this, _1));
+		_current_tag_list->Bind (wxEVT_LIST_ITEM_SELECTED, boost::bind(&LanguageTagDialog::current_tag_selection_changed, this));
+		_current_tag_list->Bind (wxEVT_LIST_ITEM_DESELECTED, boost::bind(&LanguageTagDialog::current_tag_selection_changed, this));
+	}
+
+	dcp::LanguageTag get () const
+	{
+		dcp::LanguageTag tag;
+
+		vector<string> variants;
+		vector<string> extlangs;
+
+		BOOST_FOREACH (Subtag i, _current_tag_subtags) {
+			switch (i.type) {
+			case dcp::LanguageTag::LANGUAGE:
+				tag.set_language (i.subtag.subtag);
+				break;
+			case dcp::LanguageTag::SCRIPT:
+				tag.set_script (i.subtag.subtag);
+				break;
+			case dcp::LanguageTag::REGION:
+				tag.set_region (i.subtag.subtag);
+				break;
+			case dcp::LanguageTag::VARIANT:
+				variants.push_back (i.subtag.subtag);
+				break;
+			case dcp::LanguageTag::EXTLANG:
+				extlangs.push_back (i.subtag.subtag);
+				break;
+			}
+		}
+
+		tag.set_variants (variants);
+		tag.set_extlangs (extlangs);
+		return tag;
+	}
+
+
+private:
+
+	string subtag_type_name (dcp::LanguageTag::SubtagType type)
+	{
+		switch (type) {
+		case dcp::LanguageTag::LANGUAGE:
+			return "Language";
+		case dcp::LanguageTag::SCRIPT:
+			return "Script";
+		case dcp::LanguageTag::REGION:
+			return "Region";
+		case dcp::LanguageTag::VARIANT:
+			return "Variant";
+		case dcp::LanguageTag::EXTLANG:
+			return "External";
+		}
+
+		return "";
+	}
+
+	void search_changed (string search)
+	{
+		long int selected = _current_tag_list->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
+		if (selected >= 0) {
+			_current_tag_subtags[selected].last_search = search;
+		}
+	}
+
+	void add_to_current_tag (dcp::LanguageTag::SubtagType type, dcp::LanguageTag::Subtag subtag)
+	{
+		_current_tag_subtags.push_back (Subtag(type, subtag));
+		wxListItem it;
+		it.SetId (_current_tag_list->GetItemCount());
+		it.SetColumn (0);
+		it.SetText (subtag_type_name(type));
+		_current_tag_list->InsertItem (it);
+		it.SetColumn (1);
+		it.SetText ("Select...");
+		_current_tag_list->SetItem (it);
+		_current_tag_list->SetItemState (_current_tag_list->GetItemCount() - 1, wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
+		_choose_subtag_panel->set_type_and_search (type, "");
+		setup_sensitivity ();
+	}
+
+	void current_tag_selection_changed ()
+	{
+		long int selected = _current_tag_list->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
+		if (selected >= 0) {
+			_choose_subtag_panel->Enable (true);
+			_choose_subtag_panel->set_type_and_search (_current_tag_subtags[selected].type, _current_tag_subtags[selected].last_search, _current_tag_subtags[selected].subtag);
+		} else {
+			_choose_subtag_panel->Enable (false);
+		}
+	}
+
+	void chosen_subtag_changed (optional<dcp::LanguageTag::Subtag> selection)
+	{
+		if (!selection) {
+			return;
+		}
+
+		long int selected = _current_tag_list->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
+		if (selected >= 0) {
+			_current_tag_subtags[selected].subtag = *selection;
+			_current_tag_list->SetItem (selected, 0, subtag_type_name(_current_tag_subtags[selected].type));
+			_current_tag_list->SetItem (selected, 1, selection->description);
+		}
+	}
+
+	void setup_sensitivity ()
+	{
+		_add_script->Enable ();
+		_add_region->Enable ();
+		_add_variant->Enable ();
+		_add_external->Enable ();
+		BOOST_FOREACH (Subtag const& i, _current_tag_subtags) {
+			switch (i.type) {
+			case dcp::LanguageTag::SCRIPT:
+				_add_script->Enable (false);
+				break;
+			case dcp::LanguageTag::REGION:
+				_add_region->Enable (false);
+				break;
+			case dcp::LanguageTag::VARIANT:
+				_add_variant->Enable (false);
+				break;
+			case dcp::LanguageTag::EXTLANG:
+				_add_external->Enable (false);
+				break;
+			}
+		}
+	}
+
+	vector<Subtag> _current_tag_subtags;
+	wxListCtrl* _current_tag_list;
+	LanguageSubtagPanel* _choose_subtag_panel;
+	wxButton* _add_script;
+	wxButton* _add_region;
+	wxButton* _add_variant;
+	wxButton* _add_external;
+};
+
+
+class MyApp : public wxApp
+{
+public:
+	virtual bool OnInit()
+	{
+		LanguageTagDialog* dialog = new LanguageTagDialog (0);
+		dialog->ShowModal ();
+		return true;
+	}
+};
+
+wxIMPLEMENT_APP(MyApp);
+
diff --git a/langtest.sh b/langtest.sh
new file mode 100644
index 00000000..56116837
--- /dev/null
+++ b/langtest.sh
@@ -0,0 +1 @@
+g++ -g -o langtest langtest.cc `wx-config --cflags --libs` -I. -Lbuild/src -ldcp-1.0