From 5b2c16f3424d0478c17b8155818e9032e7268976 Mon Sep 17 00:00:00 2001
From: Nolan Darilek <nolan@thewordnerd.info>
Date: Mon, 30 Dec 2019 08:27:20 -0600
Subject: [PATCH] Filter out `InputEventMouseButton` with device ID of -1,
 which seems to indicate an origin of touchscreen. Only pass through if
 explore-by-touch is active.

---
 ScreenReader.gd | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/ScreenReader.gd b/ScreenReader.gd
index c4208a1..96cb464 100644
--- a/ScreenReader.gd
+++ b/ScreenReader.gd
@@ -158,7 +158,9 @@ func _input(event):
             return
         if not explore_by_touch and OS.get_ticks_msec() - touch_start_time >= explore_by_touch_interval:
             explore_by_touch = true
-            TTS.speak("Explore")
+    if event is InputEventMouseButton:
+        if event.device == -1 and not explore_by_touch:
+            get_tree().set_input_as_handled()
 
 func _process(delta):
     if touch_stop_time and OS.get_ticks_msec() - touch_stop_time >= tap_execute_interval and tap_count != 0: