From 21aa1bef68c3590c1898a539da4c38e3854a5a9d Mon Sep 17 00:00:00 2001
From: Martin Fouilleul <martinfouilleul@gmail.com>
Date: Mon, 26 Jun 2023 19:59:34 +0200
Subject: [PATCH] [win32] honor timeout value in mp_pump_events

---
 src/mp_app.h    |  6 ++++++
 src/win32_app.c | 10 ++++++++++
 2 files changed, 16 insertions(+)

diff --git a/src/mp_app.h b/src/mp_app.h
index e2cd6b1..468b06c 100644
--- a/src/mp_app.h
+++ b/src/mp_app.h
@@ -268,7 +268,13 @@ MP_API void mp_set_cursor(mp_mouse_cursor cursor);
 //--------------------------------------------------------------------
 // Main loop and events handling
 //--------------------------------------------------------------------
+/*NOTE:
+	mp_pump_events() pumps system events into the event queue. A timeout of 0 polls for events,
+	while a timeout of -1 blocks for events. A timeout > 0 blocks until new events are available
+	or the timeout elapses.
 
+	mp_next_event() get the next event from the event queue, allocating from the passed arena
+*/
 MP_API void mp_pump_events(f64 timeout);
 MP_API mp_event* mp_next_event(mem_arena* arena);
 
diff --git a/src/win32_app.c b/src/win32_app.c
index 14e11d9..af99453 100644
--- a/src/win32_app.c
+++ b/src/win32_app.c
@@ -553,6 +553,16 @@ void mp_request_quit()
 void mp_pump_events(f64 timeout)
 {
 	MSG message;
+
+	if(timeout < 0)
+	{
+		WaitMessage();
+	}
+	else if(timeout > 0)
+	{
+		MsgWaitForMultipleObjects(0, NULL, FALSE, (DWORD) (timeout * 1e3), QS_ALLEVENTS);
+	}
+
 	while(PeekMessage(&message, 0, 0, 0, PM_REMOVE))
 	{
 		TranslateMessage(&message);