From 39da0e91c2011966961071a1d3c138db32449dba Mon Sep 17 00:00:00 2001
From: Ben Bridle <ben@derelict.engineering>
Date: Sat, 5 Jul 2025 18:03:24 +1200
Subject: Support touchscreen devices

Click events on touchscreen devices are handled by the touchstart and
touchend events. These events will now enable and disable the pointer
device, move the pointer position, and press and release the primary
pointer button.
---
 bedrock.js | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/bedrock.js b/bedrock.js
index 7be6e4d..34ddc41 100644
--- a/bedrock.js
+++ b/bedrock.js
@@ -517,6 +517,17 @@ function EmulatorElement(options) {
         }
     }
 
+    emulator.touchStart = function(e) {
+        if (e.changedTouches.length) {
+            emulator.mouseMove(e.changedTouches[0]); }
+        br.dev.input.applyActive(true);
+        br.dev.input.applyButtons(0x01);
+    }
+    emulator.touchEnd = function(e) {
+        br.dev.input.applyActive(false);
+        br.dev.input.applyButtons(0x00);
+    }
+
     fullscreenButton.addEventListener('click', emulator.toggleFullscreen);
     stateButton.addEventListener('click', emulator.toggleStatePanel);
     runButton.addEventListener('click', emulator.runProgram);
@@ -528,6 +539,9 @@ function EmulatorElement(options) {
     canvas.addEventListener('pointermove', emulator.mouseMove);
     canvas.addEventListener('mousedown', emulator.mouseDown);
     canvas.addEventListener('mouseup', emulator.mouseUp);
+    canvas.addEventListener('touchstart', emulator.touchStart);
+    canvas.addEventListener('touchend', emulator.touchEnd);
+    canvas.addEventListener('touchcancel', emulator.touchEnd);
     canvas.addEventListener('mouseenter', emulator.mouseEnter);
     canvas.addEventListener('mouseleave', emulator.mouseExit);
     canvas.addEventListener('wheel', emulator.mouseScroll);
-- 
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