[anjuta] terminal: bgo #728295 - Crash if gnome-terminal is not installed

[Sebastien Granjoux <sgranjoux src gnome org>]

commit 57250b7b109135bf4713343357afa9d50d4ca06f
Author: Sébastien Granjoux <seb sfo free fr>
Date:   Thu May 1 11:01:52 2014 +0200

    terminal: bgo #728295 - Crash if gnome-terminal is not installed

 plugins/terminal/terminal.c |   34 ++++++++++++++++++++++++++--------
 1 files changed, 26 insertions(+), 8 deletions(-)
---
diff --git a/plugins/terminal/terminal.c b/plugins/terminal/terminal.c
index 55c209b..6d768c4 100644
--- a/plugins/terminal/terminal.c
+++ b/plugins/terminal/terminal.c
@@ -142,6 +142,8 @@ strv_to_rgbav (const gchar **specs, gsize *size, GdkRGBA **colors)
 static void
 terminal_set_preferences (VteTerminal *term, GSettings* settings, TerminalPlugin *term_plugin)
 {
+       GSettingsSchemaSource *source;
+       GSettingsSchema *schema;
        gchar *uuid;
        gchar *path;
        GSettings *profiles_list;
@@ -159,7 +161,17 @@ terminal_set_preferences (VteTerminal *term, GSettings* settings, TerminalPlugin
 
        g_return_if_fail (settings != NULL);
 
-       profiles_list = g_settings_new (TERMINAL_PROFILES_LIST_SCHEMA);
+       /* Always autohide mouse */
+       vte_terminal_set_mouse_autohide (term, TRUE);
+
+       /* Check that terminal schemas really exist. They could be missing if gnome
+        * terminal is not installed or there is an old version */
+       source = g_settings_schema_source_get_default ();
+       schema = g_settings_schema_source_lookup (source, TERMINAL_PROFILES_LIST_SCHEMA, TRUE);
+       if (schema == NULL) return;
+
+       profiles_list = g_settings_new_full (schema, NULL, NULL);
+       g_settings_schema_unref (schema);
 
        /* Get selected profile */
        bool_val = g_settings_get_boolean (settings, PREFS_TERMINAL_PROFILE_USE_DEFAULT);
@@ -172,9 +184,6 @@ terminal_set_preferences (VteTerminal *term, GSettings* settings, TerminalPlugin
        g_free (uuid);
        g_free (path);
 
-       /* Always autohide mouse */
-       vte_terminal_set_mouse_autohide (term, TRUE);
-
        /* Set terminal font */
        bool_val = g_settings_get_boolean (profile_settings, TERMINAL_PROFILE_USE_SYSTEM_FONT_KEY);
        if (bool_val)
@@ -938,11 +947,13 @@ on_pref_profile_changed (GtkComboBox* combo, TerminalPlugin* term_plugin)
 static void
 ipreferences_merge(IAnjutaPreferences* ipref, AnjutaPreferences* prefs, GError** e)
 {
+       GSettingsSchemaSource *source;
+       GSettingsSchema *schema;
        GSettings *terminal_settings;
        GSettings *profile_settings;
        GtkListStore *store;
        GtkTreeIter iter;
-       gchar *default_uuid;
+       gchar *default_uuid = NULL;
        gchar *saved_uuid;
        gchar *temp;
        gchar **profiles;
@@ -983,13 +994,20 @@ ipreferences_merge(IAnjutaPreferences* ipref, AnjutaPreferences* prefs, GError**
        g_object_set (uuid_renderer, "style", PANGO_STYLE_ITALIC, NULL);
 
        /* If at least a default profile exists ... */
-       terminal_settings = g_settings_new (TERMINAL_PROFILES_LIST_SCHEMA);
-       store = GTK_LIST_STORE (gtk_combo_box_get_model (GTK_COMBO_BOX (term_plugin->pref_profile_combo)));
-       default_uuid = g_settings_get_string (terminal_settings, "default");
+       source = g_settings_schema_source_get_default ();
+       schema = g_settings_schema_source_lookup (source, TERMINAL_PROFILES_LIST_SCHEMA, TRUE);
+       if (schema != NULL)
+       {
+               terminal_settings = g_settings_new_full (schema, NULL, NULL);
+               default_uuid = g_settings_get_string (terminal_settings, "default");
+               g_settings_schema_unref (schema);
+       }
+
        if (default_uuid != NULL) {
 
                /* Populate profiles store */
                profiles = g_settings_get_strv (terminal_settings, "list");
+               store = GTK_LIST_STORE (gtk_combo_box_get_model (GTK_COMBO_BOX 
(term_plugin->pref_profile_combo)));
                gtk_list_store_clear (store);
                for (i = 0; profiles[i] != NULL; i ++) {
                        path = g_strdup_printf ("%s:%s/", TERMINAL_PROFILES_PATH_PREFIX, profiles[i]);