[evolution] Composer could start with empty From

[Milan Crha <mcrha src gnome org>]

commit e18f1b87095c60977c4c0e0a279e7ee78a049dc6
Author: Milan Crha <mcrha redhat com>
Date:   Wed Sep 5 16:43:58 2012 +0200

    Composer could start with empty From

 composer/e-composer-from-header.c |   39 ++++++++++++++++++++++++++++++++++++-
 composer/e-msg-composer.c         |    9 ++++++-
 2 files changed, 45 insertions(+), 3 deletions(-)
---
diff --git a/composer/e-composer-from-header.c b/composer/e-composer-from-header.c
index a844ca3..ceecd68 100644
--- a/composer/e-composer-from-header.c
+++ b/composer/e-composer-from-header.c
@@ -107,7 +107,44 @@ e_composer_from_header_set_active_id (EComposerFromHeader *header,
 
 	g_return_if_fail (E_IS_COMPOSER_FROM_HEADER (header));
 
+	if (!active_id)
+		return;
+
 	combo_box = GTK_COMBO_BOX (E_COMPOSER_HEADER (header)->input_widget);
 
-	gtk_combo_box_set_active_id (combo_box, active_id);
+	if (!gtk_combo_box_set_active_id (combo_box, active_id) && active_id && *active_id) {
+		ESourceRegistry *registry;
+		GtkTreeModel *model;
+		GtkTreeIter iter;
+		gint id_column;
+
+		registry = e_composer_header_get_registry (E_COMPOSER_HEADER (header));
+		id_column = gtk_combo_box_get_id_column (combo_box);
+		model = gtk_combo_box_get_model (combo_box);
+
+		if (gtk_tree_model_get_iter_first (model, &iter)) {
+			do {
+				gchar *identity_uid = NULL;
+
+				gtk_tree_model_get (model, &iter, id_column, &identity_uid, -1);
+
+				if (identity_uid) {
+					ESource *source;
+
+					source = e_source_registry_ref_source (registry, identity_uid);
+					if (source) {
+						if (g_strcmp0 (e_source_get_parent (source), active_id) == 0) {
+							g_object_unref (source);
+							gtk_combo_box_set_active_id (combo_box, identity_uid);
+							g_free (identity_uid);
+							break;
+						}
+						g_object_unref (source);
+					}
+
+					g_free (identity_uid);
+				}
+			} while (gtk_tree_model_iter_next (model, &iter));
+		}
+	}
 }
diff --git a/composer/e-msg-composer.c b/composer/e-msg-composer.c
index 0fc5f2f..777b7e7 100644
--- a/composer/e-msg-composer.c
+++ b/composer/e-msg-composer.c
@@ -575,8 +575,8 @@ build_message_headers (EMsgComposer *composer,
 			camel_mime_message_set_from (message, addr);
 		g_object_unref (addr);
 
-		/* X-Evolution-Account */
-		header_name = "X-Evolution-Account";
+		/* X-Evolution-Identity */
+		header_name = "X-Evolution-Identity";
 		camel_medium_set_header (medium, header_name, uid);
 
 		/* X-Evolution-Fcc */
@@ -3108,6 +3108,11 @@ e_msg_composer_new_with_message (EShell *shell,
 	/* Restore the mail identity preference. */
 	identity_uid = (gchar *) camel_medium_get_header (
 		CAMEL_MEDIUM (message), "X-Evolution-Identity");
+	if (!identity_uid) {
+		/* for backward compatibility */
+		identity_uid = (gchar *) camel_medium_get_header (
+			CAMEL_MEDIUM (message), "X-Evolution-Account");
+	}
 	if (identity_uid != NULL) {
 		identity_uid = g_strstrip (g_strdup (identity_uid));
 		source = e_source_registry_ref_source (registry, identity_uid);