1 files changed, 274 insertions, 0 deletions
diff --git a/src/prefs-main.cc b/src/prefs-main.cc
new file mode 100644
index 0000000..568eb3c
--- /dev/null
+++ b/src/prefs-main.cc
@@ -0,0 +1,274 @@
+/*
+ * Copyright © 2008, 2010, 2011, 2021, 2022 Christian Persch
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ *(at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <locale.h>
+
+#include <glib.h>
+#include <glib/gi18n.h>
+#include <gio/gio.h>
+
+#include "terminal-app.hh"
+#include "terminal-debug.hh"
+#include "terminal-i18n.hh"
+#include "terminal-defines.hh"
+#include "terminal-libgsystem.hh"
+#include "terminal-settings-bridge-backend.hh"
+#include "terminal-settings-bridge-generated.h"
+
+// Reduce the default timeout to something that should still always work,
+// but not hang the process for long periods of time if something does
+// go wrong. See issue #7935.
+#define BRIDGE_TIMEOUT 5000 /* ms */
+
+static char* arg_profile_uuid = nullptr;
+static char* arg_hint = nullptr;
+static int arg_bus_fd = -1;
+static int arg_timestamp = -1;
+
+static const GOptionEntry options[] = {
+  {"profile", 0, G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_STRING, &arg_profile_uuid, "Profile", "UUID"},
+  {"hint", 0, G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_STRING, &arg_hint, "Hint", "HINT"},
+  {"bus-fd", 0, G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_INT, &arg_bus_fd, "Bus FD", "FD"},
+  {"timestamp", 0, G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_INT, &arg_timestamp, "Timestamp", "VALUE"},
+  {nullptr}
+};
+
+static GSettings*
+profile_from_uuid(TerminalApp* app,
+                  char const* uuid_str) noexcept
+{
+  if (!uuid_str)
+    return nullptr;
+
+  auto const profiles_list = terminal_app_get_profiles_list(app);
+
+  GSettings* profile = nullptr;
+  if (g_str_equal(uuid_str, "default"))
+    profile = terminal_settings_list_ref_default_child(profiles_list);
+  else if (terminal_settings_list_valid_uuid(uuid_str))
+    profile = terminal_settings_list_ref_child(profiles_list, uuid_str);
+
+  return profile;
+}
+
+static void
+preferences_cb(GSimpleAction* action,
+               GVariant* parameter,
+               void* user_data)
+{
+  auto const app = terminal_app_get();
+
+  gs_free char* uuid_str = nullptr;
+  g_variant_lookup(parameter, "profile", "s", &uuid_str);
+
+  gs_unref_object auto profile = profile_from_uuid(app, uuid_str);
+
+  gs_free char* hint_str = nullptr;
+  g_variant_lookup(parameter, "hint", "s", &hint_str);
+
+  guint32 ts = 0;
+  g_variant_lookup(parameter, "timestamp", "u", &ts);
+
+  terminal_app_edit_preferences(app, profile, hint_str, ts);
+}
+
+static void
+connection_closed_cb(GDBusConnection* connection,
+                     gboolean peer_vanished,
+                     GError* error,
+                     void* user_data)
+{
+  auto ptr = reinterpret_cast<void**>(user_data);
+
+  if (error)
+    g_printerr("D-Bus connection closed: %s\n", error->message);
+
+  // As per glib docs, unref the connection at this point
+  g_object_unref(g_steal_pointer(ptr));
+
+  // Exit cleanly
+  auto const app = g_application_get_default();
+  if (app)
+    g_application_quit(app);
+}
+
+int
+main(int argc,
+     char* argv[])
+{
+  // Sanitise environment
+  g_unsetenv("CHARSET");
+  g_unsetenv("DBUS_STARTER_BUS_TYPE");
+  // Not interested in silly debug spew polluting the journal, bug #749195
+  if (g_getenv("G_ENABLE_DIAGNOSTIC") == nullptr)
+    g_setenv("G_ENABLE_DIAGNOSTIC", "0", true);
+  // Maybe: g_setenv("GSETTINGS_BACKEND", "bridge", true);
+
+  if (setlocale(LC_ALL, "") == nullptr) {
+    g_printerr("Locale not supported.\n");
+    return _EXIT_FAILURE_UNSUPPORTED_LOCALE;
+  }
+
+  terminal_i18n_init(true);
+
+  char const* charset = nullptr;
+  if (!g_get_charset(&charset)) {
+    g_printerr("Non UTF-8 locale (%s) is not supported!\n", charset);
+    return _EXIT_FAILURE_NO_UTF8;
+  }
+
+  _terminal_debug_init();
+
+  auto const home_dir = g_get_home_dir();
+  if (home_dir == nullptr || chdir(home_dir) < 0)
+   (void) chdir("/");
+
+  g_set_prgname("gnome-terminal-preferences");
+  g_set_application_name(_("Preferences"));
+
+  gs_free_error GError *error = nullptr;
+  if (!gtk_init_with_args(&argc, &argv, nullptr, options, nullptr, &error)) {
+    g_printerr("Failed to parse arguments: %s\n", error->message);
+    return _EXIT_FAILURE_GTK_INIT;
+  }
+
+  gs_unref_object GDBusConnection* connection = nullptr;
+  gs_unref_object GSettingsBackend* backend = nullptr;
+  gs_unref_object GSimpleActionGroup* action_group = nullptr;
+  auto export_id = 0u;
+  if (arg_bus_fd != -1) {
+    gs_unref_object auto socket = g_socket_new_from_fd(arg_bus_fd, &error);
+    if (!socket) {
+      g_printerr("Failed to create bridge socket: %s\n", error->message);
+      close(arg_bus_fd);
+      return EXIT_FAILURE;
+    }
+
+    gs_unref_object auto sockconn =
+      g_socket_connection_factory_create_connection(socket);
+    if (!G_IS_IO_STREAM(sockconn)) {
+      g_printerr("Bridge socket has incorrect type %s\n", G_OBJECT_TYPE_NAME(sockconn));
+      return EXIT_FAILURE;
+    }
+
+    connection =
+      g_dbus_connection_new_sync(G_IO_STREAM(sockconn),
+                                 nullptr, // guid=nullptr for the client
+                                 GDBusConnectionFlags(G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_CLIENT |
+                                                      G_DBUS_CONNECTION_FLAGS_DELAY_MESSAGE_PROCESSING),
+                                 nullptr, // auth observer,
+                                 nullptr, // cancellable,
+                                 &error);
+    if (!connection) {
+      g_printerr("Failed to create bus: %s\n", error->message);
+      return EXIT_FAILURE;
+    }
+
+    GActionEntry const action_entries[] = {
+      { "preferences", preferences_cb, "a{sv}", nullptr, nullptr },
+    };
+
+    action_group = g_simple_action_group_new();
+    g_action_map_add_action_entries(G_ACTION_MAP(action_group),
+                                    action_entries, G_N_ELEMENTS(action_entries),
+                                    nullptr);
+
+    export_id = g_dbus_connection_export_action_group(connection,
+                                                      TERMINAL_PREFERENCES_OBJECT_PATH,
+                                                      G_ACTION_GROUP(action_group),
+                                                      &error);
+    if (export_id == 0) {
+      g_printerr("Failed to export actions: %s\n", error->message);
+      return EXIT_FAILURE;
+    }
+
+    g_dbus_connection_start_message_processing(connection);
+
+    gs_unref_object auto bridge =
+      terminal_settings_bridge_proxy_new_sync
+      (connection,
+       GDBusProxyFlags(
+                       G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START |
+                       G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START_AT_CONSTRUCTION |
+                       G_DBUS_PROXY_FLAGS_DO_NOT_CONNECT_SIGNALS |
+                       G_DBUS_PROXY_FLAGS_DO_NOT_LOAD_PROPERTIES),
+       nullptr, // no name
+       TERMINAL_SETTINGS_BRIDGE_OBJECT_PATH,
+       nullptr, // cancellable
+       &error);
+    if (!bridge) {
+      g_printerr("Failed to create settings bridge proxy: %s\n", error->message);
+      return EXIT_FAILURE;
+    }
+
+    if (!_terminal_debug_on(TERMINAL_DEBUG_BRIDGE)) {
+      g_dbus_proxy_set_default_timeout(G_DBUS_PROXY(bridge), BRIDGE_TIMEOUT);
+    }
+
+    backend = terminal_settings_bridge_backend_new(bridge);
+
+    g_dbus_connection_set_exit_on_close(connection, false);
+    g_signal_connect(connection, "closed", G_CALLBACK(connection_closed_cb), &connection);
+  }
+
+  gs_unref_object auto app =
+    terminal_app_new(TERMINAL_PREFERENCES_APPLICATION_ID,
+                     GApplicationFlags(G_APPLICATION_NON_UNIQUE |
+                                       G_APPLICATION_IS_SERVICE),
+                     backend);
+
+  // Need to startup the application now, otherwise we can't use
+  // gtk_application_add_window() before g_application_run() below.
+  // This should always succeed.
+  if (!g_application_register(G_APPLICATION(app), nullptr, &error)) {
+    g_printerr("Failed to register application: %s\n", error->message);
+    return EXIT_FAILURE;
+  }
+
+  // If started from gnome-terminal-server, the "preferences" action
+  // will be activated to actually show the preferences dialogue. However
+  // if started directly, need to show the dialogue right now.
+  if (!connection) {
+    gs_unref_object GSettings* profile = profile_from_uuid(TERMINAL_APP(app),
+                                                           arg_profile_uuid);
+    if (arg_profile_uuid && !profile) {
+      g_printerr("No profile with UUID \"%s\": %s\n", arg_profile_uuid, error->message);
+      return EXIT_FAILURE;
+    }
+
+    terminal_app_edit_preferences(TERMINAL_APP(app),
+                                  profile,
+                                  arg_hint,
+                                  unsigned(arg_timestamp));
+  }
+
+  auto const r = g_application_run(app, 0, nullptr);
+
+  if (connection && export_id != 0) {
+    g_dbus_connection_unexport_action_group(connection, export_id);
+    export_id = 0;
+  }
+
+  if (connection &&
+      !g_dbus_connection_flush_sync(connection, nullptr, &error)) {
+      g_printerr("Failed to flush D-Bus connection: %s\n", error->message);
+  }
+
+  return r;
+}