keep progress

src/main.c

@@ -2,15 +2,22 @@
 #include <glib.h>
 #include <glibconfig.h>
 #include <signal.h>
+#include <stdint.h>
+#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
+#include <xcb/randr.h>
 #include <xcb/xcb.h>
 #include <xcb/xcb_aux.h>
+#include <xcb/xfixes.h>
+#include <xcb/xinerama.h>
 #include <xcb/xproto.h>
 
 #include "backtrace.h"
 #include "buffer.h"
+#include "client.h"
+#include "monitor.h"
 #include "types.h"
 #include "utils.h"
 
@@ -82,6 +89,22 @@ static void check_other_wm(void) {
   global_state.screen = screen;
 }
 
+static void check_xcb_extensions(void) {
+  xcb_prefetch_extension_data(global_state.xcb_conn, &xcb_xfixes_id);
+  xcb_prefetch_extension_data(global_state.xcb_conn, &xcb_xinerama_id);
+  xcb_prefetch_extension_data(global_state.xcb_conn, &xcb_randr_id);
+
+  const xcb_query_extension_reply_t *query;
+  query = xcb_get_extension_data(global_state.xcb_conn, &xcb_xfixes_id);
+  global_state.have_xfixes = query && query->present;
+
+  query = xcb_get_extension_data(global_state.xcb_conn, &xcb_xinerama_id);
+  global_state.have_xinerama = query && query->present;
+
+  query = xcb_get_extension_data(global_state.xcb_conn, &xcb_randr_id);
+  global_state.have_randr = query && query->present;
+}
+
 int main(int argc, char *argv[]) {
   p_clear(&global_state, 1);
 
@@ -105,6 +128,10 @@ int main(int argc, char *argv[]) {
   sigaction(SIGCHLD, &sa, 0);
 
   check_other_wm();
+  check_xcb_extensions();
+
+  monitor_scan();
+  client_scan();
 
   if (global_state.loop == NULL) {
     global_state.loop = g_main_loop_new(NULL, FALSE);