event: Remove EventType enum and pass a callback to `event_push`

This approach is more flexible because we don't need to support a fixed set of
"event types", any module can push events to be handled in main loop by simply
passing a callback to the Event structure.

1 files changed, 5 insertions, 9 deletions

diff --git a/src/nvim/os/event_defs.h b/src/nvim/os/event_defs.h
index dbee3e2ba7..553d4e3125 100644
--- a/src/nvim/os/event_defs.h
+++ b/src/nvim/os/event_defs.h
@@ -7,16 +7,12 @@
 #include "nvim/os/rstream_defs.h"
 
 typedef void * EventSource;
+typedef struct event Event;
+typedef void (*event_handler)(Event event);
 
-typedef enum {
-  kEventSignal,
-  kEventRStreamData,
-  kEventJobExit
-} EventType;
-
-typedef struct {
+struct event {
   EventSource source;
-  EventType type;
+  event_handler handler;
   union {
     int signum;
     struct {
@@ -25,6 +21,6 @@ typedef struct {
     } rstream;
     Job *job;
   } data;
-} Event;
+}; 
 
 #endif  // NVIM_OS_EVENT_DEFS_H