cpp-charts/wasm/shell.html at main · andersc/cpp-charts · 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>cpp-charts Demo</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            color: #e4e4e7;
            padding: 20px;
        }

        .header {
            text-align: center;
            margin-bottom: 20px;
        }

        .header h1 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #60a5fa;
            margin-bottom: 5px;
        }

        .header a {
            color: #94a3b8;
            text-decoration: none;
            font-size: 0.9rem;
            transition: color 0.2s;
        }

        .header a:hover {
            color: #60a5fa;
        }

        .canvas-container {
            position: relative;
            background: #0c0c14;
            border-radius: 12px;
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5),
                        0 0 0 1px rgba(255, 255, 255, 0.05);
            overflow: hidden;
        }

        #canvas {
            display: block;
            border-radius: 12px;
        }

        .loading-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            z-index: 100;
            border-radius: 12px;
            transition: opacity 0.5s ease-out;
        }

        .loading-overlay.hidden {
            opacity: 0;
            pointer-events: none;
        }

        .spinner {
            width: 60px;
            height: 60px;
            border: 4px solid rgba(96, 165, 250, 0.2);
            border-top-color: #60a5fa;
            border-radius: 50%;
            animation: spin 1s linear infinite;
            margin-bottom: 24px;
        }

        @keyframes spin {
            to { transform: rotate(360deg); }
        }

        .loading-text {
            font-size: 1.1rem;
            color: #94a3b8;
            margin-bottom: 16px;
        }

        .progress-container {
            width: 280px;
            height: 6px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 3px;
            overflow: hidden;
        }

        .progress-bar {
            height: 100%;
            background: linear-gradient(90deg, #3b82f6, #60a5fa);
            border-radius: 3px;
            width: 0%;
            transition: width 0.3s ease-out;
        }

        .progress-text {
            font-size: 0.85rem;
            color: #64748b;
            margin-top: 10px;
        }

        .controls {
            margin-top: 16px;
            display: flex;
            gap: 12px;
        }

        .btn {
            padding: 10px 20px;
            border: none;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary {
            background: linear-gradient(135deg, #3b82f6, #2563eb);
            color: white;
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, #60a5fa, #3b82f6);
            transform: translateY(-1px);
        }

        .btn-secondary {
            background: rgba(255, 255, 255, 0.1);
            color: #e4e4e7;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.15);
        }

        .footer {
            margin-top: 20px;
            text-align: center;
            color: #64748b;
            font-size: 0.8rem;
        }

        .footer a {
            color: #60a5fa;
            text-decoration: none;
        }

        .footer a:hover {
            text-decoration: underline;
        }

        /* Error state */
        .error-message {
            display: none;
            background: rgba(239, 68, 68, 0.1);
            border: 1px solid rgba(239, 68, 68, 0.3);
            border-radius: 8px;
            padding: 16px 24px;
            color: #fca5a5;
            text-align: center;
            margin-top: 20px;
        }

        .error-message.visible {
            display: block;
        }
    </style>
</head>
<body>
    <div class="header">
        <h1>📊 cpp-charts</h1>
        <a href="index.html">← Back to all demos</a>
    </div>

    <div class="canvas-container">
        <canvas id="canvas" class="emscripten" oncontextmenu="event.preventDefault()" tabindex="-1"></canvas>

        <div class="loading-overlay" id="loading">
            <div class="spinner"></div>
            <div class="loading-text">Loading demo...</div>
            <div class="progress-container">
                <div class="progress-bar" id="progressBar"></div>
            </div>
            <div class="progress-text" id="progressText">Initializing...</div>
        </div>
    </div>

    <div class="controls">
        <button class="btn btn-primary" onclick="toggleFullscreen()">
            <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
                <path d="M8 3H5a2 2 0 0 0-2 2v3m18 0V5a2 2 0 0 0-2-2h-3m0 18h3a2 2 0 0 0 2-2v-3M3 16v3a2 2 0 0 0 2 2h3"/>
            </svg>
            Fullscreen
        </button>
        <button class="btn btn-secondary" onclick="window.location.href='index.html'">
            <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
                <path d="M3 9l9-7 9 7v11a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2z"/>
                <polyline points="9 22 9 12 15 12 15 22"/>
            </svg>
            All Demos
        </button>
    </div>

    <div class="error-message" id="errorMessage">
        Failed to load the demo. Please refresh the page or try a different browser.
    </div>

    <div class="footer">
        Built with <a href="https://www.raylib.com/" target="_blank">raylib</a> and
        <a href="https://emscripten.org/" target="_blank">Emscripten</a>
    </div>

    <script>
        var Module = {
            canvas: (function() {
                var canvas = document.getElementById('canvas');
                canvas.width = 1280;
                canvas.height = 720;
                return canvas;
            })(),

            setStatus: function(text) {
                var progressText = document.getElementById('progressText');
                var progressBar = document.getElementById('progressBar');

                if (!text) {
                    // Loading complete
                    document.getElementById('loading').classList.add('hidden');
                    return;
                }

                // Parse progress from text like "Downloading... (50/100)"
                var match = text.match(/\((\d+)\/(\d+)\)/);
                if (match) {
                    var current = parseInt(match[1]);
                    var total = parseInt(match[2]);
                    var percent = (current / total * 100).toFixed(0);
                    progressBar.style.width = percent + '%';
                    progressText.textContent = 'Downloading assets... ' + percent + '%';
                } else if (text.indexOf('Downloading') >= 0) {
                    progressText.textContent = 'Downloading...';
                } else if (text.indexOf('Preparing') >= 0 || text.indexOf('Running') >= 0) {
                    progressBar.style.width = '100%';
                    progressText.textContent = 'Starting...';
                } else {
                    progressText.textContent = text;
                }
            },

            onRuntimeInitialized: function() {
                document.getElementById('loading').classList.add('hidden');
            },

            onAbort: function(what) {
                document.getElementById('loading').classList.add('hidden');
                document.getElementById('errorMessage').classList.add('visible');
                console.error('Aborted:', what);
            }
        };

        function toggleFullscreen() {
            var canvas = document.getElementById('canvas');
            if (!document.fullscreenElement) {
                if (canvas.requestFullscreen) {
                    canvas.requestFullscreen();
                } else if (canvas.webkitRequestFullscreen) {
                    canvas.webkitRequestFullscreen();
                } else if (canvas.msRequestFullscreen) {
                    canvas.msRequestFullscreen();
                }
            } else {
                if (document.exitFullscreen) {
                    document.exitFullscreen();
                }
            }
        }

        // Handle keyboard shortcuts
        document.addEventListener('keydown', function(e) {
            if (e.key === 'f' || e.key === 'F') {
                // Don't capture if canvas has focus (let raylib handle it)
                if (document.activeElement !== document.getElementById('canvas')) {
                    toggleFullscreen();
                }
            }
        });
    </script>

    {{{ SCRIPT }}}

</body>
</html>