new logic for enabling translation in bundled releases of ardour

git-svn-id: svn://localhost/ardour2/branches/3.0@13980 d708f5d6-7413-0410-9779-e7cbd77b26cf

gtk2_ardour/main.cc

@@ -149,7 +149,7 @@ fixup_bundle_environment (int, char* [])
 	bundle_dir = Glib::path_get_dirname (exec_dir);
 
 #ifdef ENABLE_NLS
-	if (ARDOUR::translations_are_disabled ()) {
+	if (!ARDOUR::translations_are_enabled ()) {
 		localedir = "/this/cannot/exist";
 		export_search_path (bundle_dir, "GTK_LOCALEDIR", "/Resources/locale");
 	} else {
@@ -237,7 +237,7 @@ fixup_bundle_environment (int /*argc*/, char* argv[])
 	std::string userconfigdir = user_config_directory();
 
 #ifdef ENABLE_NLS
-	if (ARDOUR::translations_are_disabled ()) {
+	if (!ARDOUR::translations_are_enabled ()) {
 		localedir = "/this/cannot/exist";
 		export_search_path (dir_path, "GTK_LOCALEDIR", "/this/cannot/exist");
 	} else {

gtk2_ardour/rc_option_editor.cc

@@ -1684,6 +1684,17 @@ RCOptionEditor::RCOptionEditor ()
 
 	/* USER INTERACTION */
 
+	if (getenv ("ARDOUR_BUNDLED")) {
+		add_option (_("User interaction"), 
+			    new BoolOption (
+				    "enable-translation",
+				    string_compose (_("Use translations of %1 messages\n"
+						      "   <i>(requires a restart of %1 to take effect)</i>\n"
+						      "   <i>(if available for your language preferences)</i>"), PROGRAM_NAME),
+				    sigc::ptr_fun (ARDOUR::translations_are_enabled),
+				    sigc::ptr_fun (ARDOUR::set_translations_enabled)));
+	}
+
 	add_option (_("User interaction"), new OptionEditorHeading (_("Keyboard")));
 
 	add_option (_("User interaction"), new KeyboardOptions);

libs/ardour/ardour/ardour.h

@@ -62,8 +62,10 @@ namespace ARDOUR {
 
 	void find_bindings_files (std::map<std::string,std::string>&);
 
-	std::string translation_kill_path ();
+	/* these only impact bundled installations */
-	bool translations_are_disabled ();
+	std::string translation_enable_path ();
+	bool translations_are_enabled ();
+	bool set_translations_enabled (bool);
 
 	static inline microseconds_t get_microseconds () {
 		return (microseconds_t) jack_get_time();

libs/ardour/globals.cc

@@ -21,6 +21,7 @@
 #endif
 
 #include <cstdio> // Needed so that libraptor (included in lrdf) won't complain
+#include <cstdlib>
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <sys/time.h>
@@ -465,19 +466,45 @@ ARDOUR::setup_fpu ()
 #endif
 }
 
+/* this can be changed to modify the translation behaviour for
+   cases where the user has never expressed a preference.
+*/
+static const bool translate_by_default = true;
+
 string
-ARDOUR::translation_kill_path ()
+ARDOUR::translation_enable_path ()
 {
-        return Glib::build_filename (user_config_directory(), ".love_is_the_language_of_audio");
+        return Glib::build_filename (user_config_directory(), ".translate");
 }
 
 bool
-ARDOUR::translations_are_disabled ()
+ARDOUR::translations_are_enabled ()
 {
-        /* if file does not exist, we don't translate (bundled ardour only) */
+        if (Glib::file_test (translation_enable_path(), Glib::FILE_TEST_EXISTS)) {
-        return Glib::file_test (translation_kill_path(), Glib::FILE_TEST_EXISTS) == false;
+		return true;
+	} 
+
+	return translate_by_default;
 }
 
+bool
+ARDOUR::set_translations_enabled (bool yn)
+{
+	string i18n_enabler = ARDOUR::translation_enable_path();
+
+	if (yn) {
+		int fd = ::open (i18n_enabler.c_str(), O_RDONLY|O_CREAT, 0644);
+		if (fd >= 0) {
+			close (fd);
+			return true;
+		} 
+		return false;
+	} 
+
+	return unlink (i18n_enabler.c_str()) == 0;
+}
+
+
 vector<SyncSource>
 ARDOUR::get_available_sync_options ()
 {