HTML-JS-CSS/contextMenu.html at main · madanrajsagar/HTML-JS-CSS · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Full-Screen Context Menu</title>
    <style>
        /* The custom context menu styles */
        #contextMenu {
            position: absolute;
            background-color: #f0f0f0;
            border: 1px solid #ccc;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
            visibility: hidden;
            z-index: 1000;
            width: 200px;
        }

        /* Style for context menu items */
        .menu-item {
            padding: 10px;
            cursor: pointer;
            background-color: #fff;
            border-bottom: 1px solid #ccc;
        }

        .menu-item:hover {
            background-color: #e0e0e0;
        }

        .menu-item:last-child {
            border-bottom: none;
        }
    </style>
</head>
<body oncontextmenu="callMe(event); return false;"> <!-- Prevent the default context menu -->
    <h1>To see the full-screen custom context menu, Right-click anywhere</h1>

    <!-- The custom context menu -->
    <div id="contextMenu" oveflow=>
        <div class="menu-item">Option 1</div>
        <div class="menu-item">Option 2</div>
        <div class="menu-item">Option 3</div>
        <div class="menu-item">Option 4</div>
    </div>

    <script>
        function callMe(event) {
            // Prevent default browser context menu
            event.prevent

            // Get the custom context menu element
            const contextMenu = document.getElementById("contextMenu");

            // Set the position of the custom menu to the mouse's click position
            const x = event.pageX;
            const y = event.pageY;

            // Make sure the menu stays within the viewport
            contextMenu.style.left = (x + contextMenu.offsetWidth > window.innerWidth ? x - contextMenu.offsetWidth : x) + "px";
            contextMenu.style.top = (y + contextMenu.offsetHeight > window.innerHeight ? y - contextMenu.offsetHeight : y) + "px";

            // Show the custom context menu
            contextMenu.style.visibility = "visible";
        }

        // Hide the context menu when clicking anywhere else
        document.addEventListener('click', function(event) {
            document.getElementById("contextMenu").style.visibility = "hidden";
        });
    </script>
</body>
</html>