[anjuta/symbol-db-model] symbol-db: Added scan-begin signal to notify engine getting busy

[Naba Kumar <naba src gnome org>]

commit 338daec98fd3494e69e0d9135614a4b9d9e914ee
Author: Naba Kumar <naba gnome org>
Date:   Fri Mar 19 12:35:05 2010 +0200

    symbol-db: Added scan-begin signal to notify engine getting busy

 plugins/symbol-db/symbol-db-engine-core.c |   14 ++++++++++++++
 plugins/symbol-db/symbol-db-engine-core.h |    1 +
 2 files changed, 15 insertions(+), 0 deletions(-)
---
diff --git a/plugins/symbol-db/symbol-db-engine-core.c b/plugins/symbol-db/symbol-db-engine-core.c
index e26f955..ebec55d 100644
--- a/plugins/symbol-db/symbol-db-engine-core.c
+++ b/plugins/symbol-db/symbol-db-engine-core.c
@@ -157,6 +157,7 @@ enum
 {
 	DB_CONNECTED,
 	DB_DISCONNECTED,
+	SCAN_BEGIN,
 	SINGLE_FILE_SCAN_END,
 	SCAN_END,
 	SYMBOL_INSERTED,
@@ -1961,6 +1962,9 @@ sdb_engine_scan_files_1 (SymbolDBEngine * dbe, const GPtrArray * files_list,
 		sdb_engine_ctags_launcher_create (dbe);
 	}
 	
+	g_signal_emit_by_name (dbe, "scan-begin",
+	                       anjuta_launcher_get_child_pid (priv->ctags_launcher));
+	
 	/* create the shared memory file */
 	if (priv->shared_mem_file == 0)
 	{
@@ -2751,6 +2755,16 @@ sdb_engine_class_init (SymbolDBEngineClass * klass)
 						NULL, NULL,
 						g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
 	
+	signals[SCAN_BEGIN]
+		= g_signal_new ("scan-begin",
+						G_OBJECT_CLASS_TYPE (object_class),
+						G_SIGNAL_RUN_FIRST,
+						G_STRUCT_OFFSET (SymbolDBEngineClass, scan_begin),
+						NULL, NULL,
+						g_cclosure_marshal_VOID__INT, G_TYPE_NONE, 
+						1,
+						G_TYPE_INT);
+
 	signals[SINGLE_FILE_SCAN_END]
 		= g_signal_new ("single-file-scan-end",
 						G_OBJECT_CLASS_TYPE (object_class),
diff --git a/plugins/symbol-db/symbol-db-engine-core.h b/plugins/symbol-db/symbol-db-engine-core.h
index c24b8db..36ea09d 100644
--- a/plugins/symbol-db/symbol-db-engine-core.h
+++ b/plugins/symbol-db/symbol-db-engine-core.h
@@ -52,6 +52,7 @@ struct _SymbolDBEngineClass
 	/* signals */
 	void (* db_connected)           ();
 	void (* db_disconnected)        ();
+	void (* scan_begin)             (gint process_id);
 	void (* single_file_scan_end) 	();
 	void (* scan_end) 				(gint process_id);
 	void (* symbol_inserted) 		(gint symbol_id);