Adding upstream version 43.0.upstream/43.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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;
+}