From 7547e1909d09efbdfe68bebe8941f1a0097866b6 Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Mon, 17 Nov 2025 23:56:29 +0100
Subject: [PATCH] Implement Strip Export UI

---
 gtk2_ardour/strip_export_dialog.cc | 76 +++++++++++++++++++++++++++++-
 gtk2_ardour/strip_export_dialog.h  | 19 +++++++-
 2 files changed, 93 insertions(+), 2 deletions(-)

diff --git a/gtk2_ardour/strip_export_dialog.cc b/gtk2_ardour/strip_export_dialog.cc
index 45a395e450..dd29a8503e 100644
--- a/gtk2_ardour/strip_export_dialog.cc
+++ b/gtk2_ardour/strip_export_dialog.cc
@@ -18,6 +18,8 @@
 
 #include <ytkmm/stock.h>
 
+#include "ardour/directory_names.h"
+#include "ardour/filesystem_paths.h"
 #include "ardour/session.h"
 
 #include "strip_export_dialog.h"
@@ -31,12 +33,84 @@ using namespace ARDOUR;
 
 StripExportDialog::StripExportDialog (PublicEditor& editor, Session* s)
 	: ArdourDialog (_("Export Track/Bus State"))
+	, _editor (editor)
 {
 	set_session (s);
 
 	add_button (Stock::CANCEL, RESPONSE_CANCEL);
+	_ok_button = manage (new Button (Stock::OK));
+	get_action_area ()->pack_end (*_ok_button);
+
+	_what_to_export.append_text_item (_("Complete Session"));
+	if (!_editor.get_selection ().tracks.empty ()) {
+		_what_to_export.append_text_item (_("Selected Tracks/Busses"));
+	}
+	_what_to_export.set_active (0);
+
+	_where_to_export.append_text_item (_("Local (Session Folder)"));
+	_where_to_export.append_text_item (_("Global (Config Folder)"));
+	_where_to_export.set_active (0);
+
+	_where_to_export.StateChanged.connect (sigc::mem_fun (*this, &StripExportDialog::path_changed));
+	_name_entry.signal_changed ().connect (sigc::mem_fun (*this, &StripExportDialog::path_changed));
+
+	_table.set_spacings (3);
+	/* clang-format: off */
+	_table.attach (*manage (new Label (_("What to export:"))), 0, 1, 0, 1, Gtk::FILL, Gtk::SHRINK);
+	_table.attach (*manage (new Label (_("Export as:"))),      0, 1, 1, 2, Gtk::FILL, Gtk::SHRINK);
+	_table.attach (*manage (new Label (_("Name:"))),           0, 1, 2, 3, Gtk::FILL, Gtk::SHRINK);
+
+	_table.attach (_what_to_export,  1, 2, 0, 1, Gtk::FILL, Gtk::SHRINK);
+	_table.attach (_where_to_export, 1, 2, 1, 2, Gtk::FILL, Gtk::SHRINK);
+	_table.attach (_name_entry,      1, 2, 2, 3, Gtk::FILL, Gtk::SHRINK);
+	/* clang-format: on */
+
+	get_vbox ()->pack_start (_table, false, false);
+
+	_ok_button->show ();
+	_ok_button->set_sensitive (false);
+	_ok_button->signal_clicked ().connect (mem_fun (*this, &StripExportDialog::export_strips), false);
+
+	_table.show_all ();
 }
 
-StripExportDialog::~StripExportDialog ()
+void
+StripExportDialog::path_changed ()
 {
+	string name  = legalize_for_path (_name_entry.get_text ());
+	bool   local = _where_to_export.get_active_row_number () == 0;
+	bool   ok    = false;
+
+	if (name.empty ()) {
+		_path = "";
+		goto out;
+	}
+
+	if (local) {
+		_path = Glib::build_filename (_session->path (), routestates_dir_name, name);
+	} else {
+		_path = Glib::build_filename (user_config_directory (), routestates_dir_name, name);
+	}
+
+	ok = !Glib::file_test (_path, Glib::FileTest (G_FILE_TEST_EXISTS));
+
+out:
+	_ok_button->set_sensitive (ok);
+}
+
+void
+StripExportDialog::export_strips ()
+{
+	std::shared_ptr<RouteList> rl (new RouteList);
+	if (_what_to_export.get_active_row_number () == 0) {
+		RouteList const& rlx (*_session->get_routes ());
+		std::copy (rlx.begin (), rlx.end (), std::back_inserter (*rl));
+	} else {
+		for (auto const& r : _editor.get_selection ().tracks.routelist ()) {
+			rl->push_back (r);
+		}
+	}
+
+	int rv = _session->export_route_state (rl, _path, false) ? RESPONSE_ACCEPT : RESPONSE_REJECT;
+	ArdourDialog::on_response (rv);
 }
diff --git a/gtk2_ardour/strip_export_dialog.h b/gtk2_ardour/strip_export_dialog.h
index 3be81f149c..76fd10632e 100644
--- a/gtk2_ardour/strip_export_dialog.h
+++ b/gtk2_ardour/strip_export_dialog.h
@@ -17,6 +17,9 @@
  */
 
 #pragma once
+#include <ytkmm/table.h>
+
+#include "ardour/types.h"
 
 #include "ardour_dialog.h"
 #include "public_editor.h"
@@ -30,5 +33,19 @@ class StripExportDialog : public ArdourDialog
 {
 public:
 	StripExportDialog (PublicEditor&, ARDOUR::Session*);
-	~StripExportDialog ();
+
+private:
+	void path_changed ();
+	void update_sensitivty ();
+	void export_strips ();
+
+	ArdourWidgets::ArdourDropdown _what_to_export;
+	ArdourWidgets::ArdourDropdown _where_to_export;
+
+	Gtk::Button* _ok_button;
+	Gtk::Entry   _name_entry;
+	Gtk::Table   _table;
+
+	PublicEditor& _editor;
+	std::string   _path;
 };