From c751709b1b4fe6f16fd84647e8e071455e7b78d6 Mon Sep 17 00:00:00 2001
From: Jake Mannens <jake@asger.xyz>
Date: Tue, 17 Mar 2026 03:04:36 +1100
Subject: v0.1a

---
 wwwroot/js/keyboard.js | 51 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 wwwroot/js/keyboard.js

(limited to 'wwwroot/js/keyboard.js')

diff --git a/wwwroot/js/keyboard.js b/wwwroot/js/keyboard.js
new file mode 100644
index 0000000..72ed3cb
--- /dev/null
+++ b/wwwroot/js/keyboard.js
@@ -0,0 +1,51 @@
+async function keyDownHandler(e) {
+    function isDialogChild(e) {
+        while(e = e.parentElement)
+            if(e.tagName == 'DIV' && e.classList.contains('dialog'))
+                return true;
+        return false;
+    }
+
+    var tag = document.activeElement.tagName;
+    if((tag == 'INPUT' || (tag == 'TEXTAREA' && e.ctrlKey)) && e.key == 'Enter') {
+        var element = document.activeElement;
+        while(element = element.parentElement) {
+            if(element.tagName == 'FORM') {
+                element.submit();
+                e.preventDefault();
+                return;
+            }
+        }
+    }
+
+    if((tag == 'INPUT' || tag == 'TEXTAREA') && e.key != 'Escape')
+        return;
+
+    var element = Array.from(document.querySelectorAll('div.dialog'))
+        .filter(e => e.style.visibility == 'visible')
+        .map(e => ({ element: e, zIndex: parseInt(e.style.zIndex) }))
+        .sort((a, b) => b.zIndex - a.zIndex)
+        .map(e => e.element)[0];
+
+    if(element) {
+        await window.dialogObjects
+            .find(d => d.element == element)
+            .dialogObject
+            .invokeMethodAsync('KeyHandler', e.key);
+        e.preventDefault();
+        return;
+    }
+
+    var button = Array.from(document.getElementsByTagName('button'))
+        .filter(b => typeof(b.dataset.keyboardShortcut) == 'string')
+        .filter(b => !isDialogChild(b))
+        .find(b => b.dataset.keyboardShortcut == e.key);
+
+    if(!e.ctrlKey && button) {
+        button.click();
+        e.preventDefault();
+        return;
+    }
+}
+
+window.onload = () => document.onkeydown = keyDownHandler;
\ No newline at end of file
-- 
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