1 | /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- |
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2 | * |
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3 | * Copyright (C) 2007 William Jon McCann <mccann@jhu.edu> |
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4 | * |
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5 | * This program is free software; you can redistribute it and/or modify |
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6 | * it under the terms of the GNU General Public License as published by |
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7 | * the Free Software Foundation; either version 2 of the License, or |
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8 | * (at your option) any later version. |
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9 | * |
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10 | * This program is distributed in the hope that it will be useful, |
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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13 | * GNU General Public License for more details. |
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14 | * |
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15 | * You should have received a copy of the GNU General Public License |
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16 | * along with this program; if not, write to the Free Software |
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17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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18 | */ |
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19 | |
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20 | #include "config.h" |
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21 | |
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22 | #include <stdlib.h> |
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23 | #include <libintl.h> |
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24 | #include <locale.h> |
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25 | #include <string.h> |
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26 | #include <unistd.h> |
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27 | #include <signal.h> |
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28 | #include <errno.h> |
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29 | |
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30 | #include <glib/gi18n.h> |
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31 | #include <gdk/gdkx.h> |
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32 | #include <gtk/gtk.h> |
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33 | #include <gconf/gconf-client.h> |
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34 | |
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35 | #include "gdm-common.h" |
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36 | #include "gdm-log.h" |
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37 | #include "gdm-settings-client.h" |
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38 | #include "gdm-settings-keys.h" |
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39 | |
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40 | #include "gdm-chooser-host.h" |
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41 | #include "gdm-host-chooser-dialog.h" |
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42 | |
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43 | #define ACCESSIBILITY_KEY "/desktop/gnome/interface/accessibility" |
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44 | |
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45 | static Atom AT_SPI_IOR; |
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46 | |
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47 | |
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48 | static gboolean |
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49 | assistive_registry_launch (void) |
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50 | { |
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51 | GPid pid; |
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52 | GError *error; |
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53 | const char *command; |
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54 | char **argv; |
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55 | gboolean res; |
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56 | |
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57 | command = AT_SPI_REGISTRYD_DIR "/at-spi-registryd"; |
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58 | |
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59 | argv = NULL; |
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60 | error = NULL; |
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61 | res = g_shell_parse_argv (command, NULL, &argv, &error); |
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62 | if (! res) { |
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63 | g_warning ("Unable to parse command: %s", error->message); |
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64 | return FALSE; |
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65 | } |
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66 | |
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67 | error = NULL; |
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68 | res = g_spawn_async (NULL, |
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69 | argv, |
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70 | NULL, |
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71 | G_SPAWN_SEARCH_PATH |
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72 | | G_SPAWN_STDOUT_TO_DEV_NULL |
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73 | | G_SPAWN_STDERR_TO_DEV_NULL, |
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74 | NULL, |
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75 | NULL, |
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76 | &pid, |
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77 | &error); |
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78 | g_strfreev (argv); |
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79 | |
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80 | if (! res) { |
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81 | g_warning ("Unable to run command %s: %s", command, error->message); |
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82 | return FALSE; |
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83 | } |
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84 | |
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85 | if (kill (pid, 0) < 0) { |
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86 | g_warning ("at-spi-registryd not running"); |
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87 | return FALSE; |
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88 | } |
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89 | |
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90 | return TRUE; |
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91 | } |
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92 | |
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93 | static GdkFilterReturn |
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94 | filter_watch (GdkXEvent *xevent, |
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95 | GdkEvent *event, |
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96 | gpointer data) |
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97 | { |
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98 | XEvent *xev = (XEvent *)xevent; |
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99 | |
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100 | if (xev->xany.type == PropertyNotify |
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101 | && xev->xproperty.atom == AT_SPI_IOR) { |
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102 | gtk_main_quit (); |
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103 | |
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104 | return GDK_FILTER_REMOVE; |
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105 | } |
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106 | |
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107 | return GDK_FILTER_CONTINUE; |
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108 | } |
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109 | |
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110 | static gboolean |
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111 | filter_timeout (gpointer data) |
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112 | { |
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113 | g_warning ("The accessibility registry was not found."); |
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114 | |
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115 | gtk_main_quit (); |
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116 | |
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117 | return FALSE; |
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118 | } |
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119 | |
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120 | static void |
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121 | assistive_registry_start (void) |
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122 | { |
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123 | GdkWindow *root; |
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124 | guint tid; |
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125 | |
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126 | root = gdk_get_default_root_window (); |
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127 | |
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128 | if ( ! AT_SPI_IOR) { |
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129 | AT_SPI_IOR = XInternAtom (GDK_DISPLAY (), "AT_SPI_IOR", False); |
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130 | } |
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131 | |
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132 | gdk_window_set_events (root, GDK_PROPERTY_CHANGE_MASK); |
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133 | |
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134 | if ( ! assistive_registry_launch ()) { |
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135 | g_warning ("The accessibility registry could not be started."); |
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136 | return; |
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137 | } |
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138 | |
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139 | gdk_window_add_filter (root, filter_watch, NULL); |
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140 | tid = g_timeout_add_seconds (5, filter_timeout, NULL); |
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141 | |
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142 | gtk_main (); |
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143 | |
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144 | gdk_window_remove_filter (root, filter_watch, NULL); |
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145 | g_source_remove (tid); |
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146 | } |
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147 | |
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148 | static void |
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149 | at_set_gtk_modules (void) |
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150 | { |
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151 | GSList *modules_list; |
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152 | GSList *l; |
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153 | const char *old; |
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154 | char **modules; |
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155 | gboolean found_gail; |
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156 | gboolean found_atk_bridge; |
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157 | int n; |
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158 | |
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159 | n = 0; |
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160 | modules_list = NULL; |
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161 | found_gail = FALSE; |
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162 | found_atk_bridge = FALSE; |
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163 | |
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164 | if ((old = g_getenv ("GTK_MODULES")) != NULL) { |
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165 | modules = g_strsplit (old, ":", -1); |
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166 | for (n = 0; modules[n]; n++) { |
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167 | if (!strcmp (modules[n], "gail")) { |
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168 | found_gail = TRUE; |
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169 | } else if (!strcmp (modules[n], "atk-bridge")) { |
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170 | found_atk_bridge = TRUE; |
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171 | } |
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172 | |
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173 | modules_list = g_slist_prepend (modules_list, modules[n]); |
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174 | modules[n] = NULL; |
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175 | } |
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176 | g_free (modules); |
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177 | } |
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178 | |
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179 | if (!found_gail) { |
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180 | modules_list = g_slist_prepend (modules_list, "gail"); |
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181 | ++n; |
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182 | } |
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183 | |
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184 | if (!found_atk_bridge) { |
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185 | modules_list = g_slist_prepend (modules_list, "atk-bridge"); |
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186 | ++n; |
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187 | } |
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188 | |
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189 | modules = g_new (char *, n + 1); |
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190 | modules[n--] = NULL; |
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191 | for (l = modules_list; l; l = l->next) { |
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192 | modules[n--] = g_strdup (l->data); |
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193 | } |
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194 | |
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195 | g_setenv ("GTK_MODULES", g_strjoinv (":", modules), TRUE); |
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196 | g_strfreev (modules); |
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197 | g_slist_free (modules_list); |
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198 | } |
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199 | |
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200 | static void |
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201 | load_a11y (void) |
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202 | { |
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203 | const char *env_a_t_support; |
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204 | gboolean a_t_support; |
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205 | GConfClient *gconf_client; |
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206 | |
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207 | gconf_client = gconf_client_get_default (); |
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208 | |
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209 | env_a_t_support = g_getenv ("GNOME_ACCESSIBILITY"); |
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210 | if (env_a_t_support) { |
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211 | a_t_support = atoi (env_a_t_support); |
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212 | } else { |
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213 | a_t_support = gconf_client_get_bool (gconf_client, ACCESSIBILITY_KEY, NULL); |
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214 | } |
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215 | |
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216 | if (a_t_support) { |
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217 | assistive_registry_start (); |
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218 | at_set_gtk_modules (); |
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219 | } |
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220 | |
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221 | g_object_unref (gconf_client); |
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222 | } |
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223 | |
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224 | int |
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225 | main (int argc, char *argv[]) |
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226 | { |
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227 | GtkWidget *chooser; |
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228 | |
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229 | bindtextdomain (GETTEXT_PACKAGE, GNOMELOCALEDIR); |
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230 | bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8"); |
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231 | textdomain (GETTEXT_PACKAGE); |
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232 | |
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233 | setlocale (LC_ALL, ""); |
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234 | |
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235 | gdm_set_fatal_warnings_if_unstable (); |
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236 | |
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237 | g_type_init (); |
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238 | |
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239 | gdm_log_init (); |
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240 | gdm_log_set_debug (TRUE); |
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241 | |
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242 | g_debug ("Chooser for display %s xauthority:%s", |
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243 | g_getenv ("DISPLAY"), |
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244 | g_getenv ("XAUTHORITY")); |
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245 | |
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246 | gdk_init (&argc, &argv); |
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247 | |
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248 | load_a11y (); |
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249 | |
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250 | gtk_init (&argc, &argv); |
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251 | |
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252 | chooser = gdm_host_chooser_dialog_new (GDM_CHOOSER_HOST_KIND_MASK_ALL); |
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253 | gtk_widget_set_size_request (chooser, 480, 600); |
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254 | |
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255 | if (gtk_dialog_run (GTK_DIALOG (chooser)) == GTK_RESPONSE_OK) { |
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256 | GdmChooserHost *host; |
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257 | |
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258 | host = gdm_host_chooser_dialog_get_host (GDM_HOST_CHOOSER_DIALOG (chooser)); |
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259 | if (host != NULL) { |
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260 | char *hostname; |
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261 | /* FIXME: handle different host types here? */ |
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262 | |
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263 | hostname = NULL; |
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264 | gdm_address_get_hostname (gdm_chooser_host_get_address (host), &hostname); |
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265 | /* FIXME: fall back to numerical address? */ |
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266 | if (hostname != NULL) { |
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267 | g_print ("hostname: %s\n", hostname); |
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268 | g_free (hostname); |
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269 | } |
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270 | } |
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271 | } |
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272 | |
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273 | gtk_widget_destroy (chooser); |
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274 | |
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275 | return 0; |
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276 | } |
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