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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:43:08 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:43:08 +0000
commitd524c8e88f558b9f2aebff39b6fbe77eab51e081 (patch)
tree399d1caf80df6656549115df912f6af2f7369308 /chooser/chooser-main.c
parentInitial commit. (diff)
downloadgdm3-d524c8e88f558b9f2aebff39b6fbe77eab51e081.tar.xz
gdm3-d524c8e88f558b9f2aebff39b6fbe77eab51e081.zip
Adding upstream version 43.0.upstream/43.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'chooser/chooser-main.c')
-rw-r--r--chooser/chooser-main.c250
1 files changed, 250 insertions, 0 deletions
diff --git a/chooser/chooser-main.c b/chooser/chooser-main.c
new file mode 100644
index 0000000..6f94c62
--- /dev/null
+++ b/chooser/chooser-main.c
@@ -0,0 +1,250 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2007 William Jon McCann <mccann@jhu.edu>
+ *
+ * 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 2 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <libintl.h>
+#include <locale.h>
+#include <string.h>
+#include <unistd.h>
+#include <signal.h>
+#include <errno.h>
+
+#include <glib/gi18n.h>
+#include <gdk/gdkx.h>
+#include <gtk/gtk.h>
+
+#include "gdm-common.h"
+#include "gdm-log.h"
+
+#include "gdm-chooser-session.h"
+
+#define ACCESSIBILITY_KEY "/desktop/gnome/interface/accessibility"
+
+static Atom AT_SPI_IOR;
+
+
+static gboolean
+assistive_registry_launch (void)
+{
+ GPid pid;
+ GError *error;
+ const char *command;
+ char **argv;
+ gboolean res;
+
+ command = AT_SPI_REGISTRYD_DIR "/at-spi-registryd";
+
+ argv = NULL;
+ error = NULL;
+ res = g_shell_parse_argv (command, NULL, &argv, &error);
+ if (! res) {
+ g_warning ("Unable to parse command: %s", error->message);
+ return FALSE;
+ }
+
+ error = NULL;
+ res = g_spawn_async (NULL,
+ argv,
+ NULL,
+ G_SPAWN_SEARCH_PATH
+ | G_SPAWN_STDOUT_TO_DEV_NULL
+ | G_SPAWN_STDERR_TO_DEV_NULL,
+ NULL,
+ NULL,
+ &pid,
+ &error);
+ g_strfreev (argv);
+
+ if (! res) {
+ g_warning ("Unable to run command %s: %s", command, error->message);
+ return FALSE;
+ }
+
+ if (kill (pid, 0) < 0) {
+ g_warning ("at-spi-registryd not running");
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static GdkFilterReturn
+filter_watch (GdkXEvent *xevent,
+ GdkEvent *event,
+ gpointer data)
+{
+ XEvent *xev = (XEvent *)xevent;
+
+ if (xev->xany.type == PropertyNotify
+ && xev->xproperty.atom == AT_SPI_IOR) {
+ gtk_main_quit ();
+
+ return GDK_FILTER_REMOVE;
+ }
+
+ return GDK_FILTER_CONTINUE;
+}
+
+static gboolean
+filter_timeout (gpointer data)
+{
+ g_warning ("The accessibility registry was not found.");
+
+ gtk_main_quit ();
+
+ return FALSE;
+}
+
+static void
+assistive_registry_start (void)
+{
+ GdkWindow *root;
+ guint tid;
+
+ root = gdk_get_default_root_window ();
+
+ if ( ! AT_SPI_IOR) {
+ AT_SPI_IOR = XInternAtom (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), "AT_SPI_IOR", False);
+ }
+
+ gdk_window_set_events (root, GDK_PROPERTY_CHANGE_MASK);
+
+ if ( ! assistive_registry_launch ()) {
+ g_warning ("The accessibility registry could not be started.");
+ return;
+ }
+
+ gdk_window_add_filter (root, filter_watch, NULL);
+ tid = g_timeout_add_seconds (5, filter_timeout, NULL);
+
+ gtk_main ();
+
+ gdk_window_remove_filter (root, filter_watch, NULL);
+ g_source_remove (tid);
+}
+
+static void
+at_set_gtk_modules (void)
+{
+ GSList *modules_list;
+ GSList *l;
+ const char *old;
+ char **modules;
+ gboolean found_gail;
+ gboolean found_atk_bridge;
+ int n;
+
+ n = 0;
+ modules_list = NULL;
+ found_gail = FALSE;
+ found_atk_bridge = FALSE;
+
+ if ((old = g_getenv ("GTK_MODULES")) != NULL) {
+ modules = g_strsplit (old, ":", -1);
+ for (n = 0; modules[n]; n++) {
+ if (!strcmp (modules[n], "gail")) {
+ found_gail = TRUE;
+ } else if (!strcmp (modules[n], "atk-bridge")) {
+ found_atk_bridge = TRUE;
+ }
+
+ modules_list = g_slist_prepend (modules_list, modules[n]);
+ modules[n] = NULL;
+ }
+ g_free (modules);
+ }
+
+ if (!found_gail) {
+ modules_list = g_slist_prepend (modules_list, "gail");
+ ++n;
+ }
+
+ if (!found_atk_bridge) {
+ modules_list = g_slist_prepend (modules_list, "atk-bridge");
+ ++n;
+ }
+
+ modules = g_new (char *, n + 1);
+ modules[n--] = NULL;
+ for (l = modules_list; l; l = l->next) {
+ modules[n--] = g_strdup (l->data);
+ }
+
+ g_setenv ("GTK_MODULES", g_strjoinv (":", modules), TRUE);
+ g_strfreev (modules);
+ g_slist_free (modules_list);
+}
+
+static void
+load_a11y (void)
+{
+ assistive_registry_start ();
+ at_set_gtk_modules ();
+}
+
+int
+main (int argc, char *argv[])
+{
+ GdmChooserSession *session;
+ gboolean res;
+ GError *error;
+
+ bindtextdomain (GETTEXT_PACKAGE, GNOMELOCALEDIR);
+ bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
+ textdomain (GETTEXT_PACKAGE);
+
+ setlocale (LC_ALL, "");
+
+ gdm_log_init ();
+ gdm_log_set_debug (TRUE);
+
+ g_debug ("Chooser for display %s xauthority:%s",
+ g_getenv ("DISPLAY"),
+ g_getenv ("XAUTHORITY"));
+
+ gdk_init (&argc, &argv);
+
+ load_a11y ();
+
+ gtk_init (&argc, &argv);
+
+ session = gdm_chooser_session_new ();
+ if (session == NULL) {
+ g_critical ("Unable to create chooser session");
+ exit (EXIT_FAILURE);
+ }
+
+ error = NULL;
+ res = gdm_chooser_session_start (session, &error);
+ if (! res) {
+ g_warning ("Unable to start chooser session: %s", error->message);
+ g_error_free (error);
+ exit (EXIT_FAILURE);
+ }
+
+ gtk_main ();
+
+ if (session != NULL) {
+ g_object_unref (session);
+ }
+
+ return 0;
+}