Skip propagation of non-input events

Signed-off-by: Tin Švagelj <tin.svagelj@live.com>
brndnmtthws · Apr 3, 2024 · aab7ffb · aab7ffb
1 parent 4eecf3b
commit aab7ffb
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diff --git a/src/display-x11.cc b/src/display-x11.cc
@@ -374,6 +374,7 @@ bool display_output_x11::main_loop_wait(double t) {
     }
   }
 
+  DBGP2("Processing %d X11 events...", XPending(display));
   /* handle X events */
   while (XPending(display) != 0) {
     XEvent ev;
@@ -630,6 +631,7 @@ bool display_output_x11::main_loop_wait(double t) {
       }
     }
   }
+  DBGP2("Done with events!");
 
 #ifdef BUILD_XDAMAGE
   if (x11_stuff.damage) {

diff --git a/src/x11.cc b/src/x11.cc
@@ -1359,7 +1359,12 @@ void propagate_x11_event(XEvent &ev) {
     i_ev->common.window = window.desktop;
     i_ev->common.x = i_ev->common.x_root;
     i_ev->common.y = i_ev->common.y_root;
+  } else {
+    // Not a known input event; blindly propagating them causes loops and all
+    // sorts of other evil.
+    return;
   }
+  DBGP2("Propagating event: { type: %d; serial: %d }", i_ev->type, i_ev->common.serial);
   XSendEvent(display, window.desktop, False, window.event_mask, &ev);
 
   int _revert_to;