From 33e283e42345e41fb09acdccb3a20e92cfea5a34 Mon Sep 17 00:00:00 2001
From: Harry Jeffery <harry@exec64.co.uk>
Date: Sat, 13 Jul 2019 13:27:49 +0100
Subject: x11_window: Implement wait_for_event

---
 src/x11_window.c | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

(limited to 'src')

diff --git a/src/x11_window.c b/src/x11_window.c
index 79046ff..36b9155 100644
--- a/src/x11_window.c
+++ b/src/x11_window.c
@@ -1,10 +1,11 @@
 #include "window.h"
 
+#include <GL/gl.h>
+#include <GL/glx.h>
+#include <X11/Xlib.h>
 #include <assert.h>
+#include <poll.h>
 #include <stdlib.h>
-#include <X11/Xlib.h>
-#include<GL/gl.h>
-#include<GL/glx.h>
 
 struct imv_window {
   Display *x_display;
@@ -119,14 +120,20 @@ void imv_window_present(struct imv_window *window)
 
 void imv_window_wait_for_event(struct imv_window *window, double timeout)
 {
-  (void)window;
-  (void)timeout;
+  struct pollfd fds[] = {
+    {.fd = ConnectionNumber(window->x_display), .events = POLLIN},
+  };
+  nfds_t nfds = sizeof fds / sizeof *fds;
+
+  poll(fds, nfds, timeout * 1000);
 }
 
 void imv_window_push_event(struct imv_window *window, struct imv_event *e)
 {
   (void)window;
   (void)e;
+  // XSendEvent
+  // XClientMessageEvent
 }
 
 void imv_window_pump_events(struct imv_window *window, imv_event_handler handler, void *data)
-- 
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