Merge pull request #1876 from mdosch/fix-screensaver-spam

Don't use xscreensaver on wayland.

src/ui/core.c

@@ -107,7 +107,11 @@ ui_init(void)
     notifier_initialise();
     cons_about();
 #ifdef HAVE_LIBXSS
+    char* x11_display = getenv("DISPLAY");
+    char* wayland_display = getenv("WAYLAND_DISPLAY");
+    if (x11_display && !wayland_display) {
         display = XOpenDisplay(0);
+    }
 #endif
     ui_idle_time = g_timer_new();
     inp_size = 0;
@@ -150,6 +154,7 @@ ui_get_idle_time(void)
 {
 // if compiled with libxss, get the x sessions idle time
 #ifdef HAVE_LIBXSS
+    if (display) {
         XScreenSaverInfo* info = XScreenSaverAllocInfo();
         if (info && display) {
             XScreenSaverQueryInfo(display, DefaultRootWindow(display), info);
@@ -160,6 +165,7 @@ ui_get_idle_time(void)
         if (info) {
             XFree(info);
         }
+    }
 // if no libxss or xss idle time failed, use profanity idle time
 #endif
     gdouble seconds_elapsed = g_timer_elapsed(ui_idle_time, NULL);