1 files changed, 41 insertions, 0 deletions
diff --git a/src/nvim/aucmd.c b/src/nvim/aucmd.c
new file mode 100644
index 0000000000..fc421116ea
--- /dev/null
+++ b/src/nvim/aucmd.c
@@ -0,0 +1,41 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
+#include "nvim/os/os.h"
+#include "nvim/fileio.h"
+#include "nvim/vim.h"
+#include "nvim/main.h"
+#include "nvim/ui.h"
+
+#ifdef INCLUDE_GENERATED_DECLARATIONS
+# include "aucmd.c.generated.h"
+#endif
+
+static void focusgained_event(void **argv)
+{
+  bool *gainedp = argv[0];
+  do_autocmd_focusgained(*gainedp);
+  xfree(gainedp);
+}
+void aucmd_schedule_focusgained(bool gained)
+{
+  bool *gainedp = xmalloc(sizeof(*gainedp));
+  *gainedp = gained;
+  loop_schedule_deferred(&main_loop,
+                         event_create(focusgained_event, 1, gainedp));
+}
+
+static void do_autocmd_focusgained(bool gained)
+  FUNC_ATTR_NONNULL_ALL
+{
+  static bool recursive = false;
+
+  if (recursive) {
+    return;  // disallow recursion
+  }
+  recursive = true;
+  apply_autocmds((gained ? EVENT_FOCUSGAINED : EVENT_FOCUSLOST),
+                 NULL, NULL, false, curbuf);
+  recursive = false;
+}
+