Emit inferior, thread and frame selection events to all UIs

[deliverable/binutils-gdb.git] / gdb / cli / cli-interp.c

diff --git a/gdb/cli/cli-interp.c b/gdb/cli/cli-interp.c
index 5d67ba4d8b75b8d157d1731dd7f6533ef6905661..cc556a457cace7524d84504d5caaf95e0bacfb48 100644 (file)
--- a/gdb/cli/cli-interp.c
+++ b/gdb/cli/cli-interp.c
@@ -37,6 +37,12 @@ struct cli_interp
   struct ui_out *cli_uiout;
 };
 
+/* Suppress notification struct.  */
+struct cli_suppress_notification cli_suppress_notification =
+  {
+    0   /* user_selected_context_changed */
+  };
+
 /* Returns the INTERP's data cast as cli_interp if INTERP is a CLI,
    and returns NULL otherwise.  */
 
@@ -229,6 +235,36 @@ cli_on_command_error (void)
   display_gdb_prompt (NULL);
 }
 
+/* Observer for the user_selected_context_changed notification.  */
+
+static void
+cli_on_user_selected_context_changed (user_selected_what selection)
+{
+  struct switch_thru_all_uis state;
+  struct thread_info *tp;
+
+  /* This event is suppressed.  */
+  if (cli_suppress_notification.user_selected_context)
+    return;
+
+  tp = find_thread_ptid (inferior_ptid);
+
+  SWITCH_THRU_ALL_UIS (state)
+    {
+      struct cli_interp *cli = as_cli_interp (top_level_interpreter ());
+
+      if (cli == NULL)
+       continue;
+
+      if (selection & USER_SELECTED_INFERIOR)
+       print_selected_inferior (cli->cli_uiout);
+
+      if (tp != NULL
+         && ((selection & (USER_SELECTED_THREAD | USER_SELECTED_FRAME))))
+       print_selected_thread_frame (cli->cli_uiout, selection);
+    }
+}
+
 /* pre_command_loop implementation.  */
 
 void
@@ -393,4 +429,6 @@ _initialize_cli_interp (void)
   observer_attach_no_history (cli_on_no_history);
   observer_attach_sync_execution_done (cli_on_sync_execution_done);
   observer_attach_command_error (cli_on_command_error);
+  observer_attach_user_selected_context_changed
+    (cli_on_user_selected_context_changed);
 }