commit 87e5f5a72c52be45ad4cd82e99bc037d748476a5 Author: Markus Graf Date: Fri Dec 12 14:05:16 2025 +0100 Initial commit diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..3d4015c --- /dev/null +++ b/.gitignore @@ -0,0 +1,5 @@ +node_modules/ +.DS_Store +dist/ +out/ +.env diff --git a/README.md b/README.md new file mode 100644 index 0000000..d740dd9 --- /dev/null +++ b/README.md @@ -0,0 +1,28 @@ +# Teleprompter App + +A minimalistic, premium-design teleprompter application built with Electron. + +## Features + +- **Open Markdown Files**: Support for `.md`, `.txt` files. +- **Adjustable Scrolling**: Control scroll speed with precision. +- **Resizable Text**: Adjust font size for readability. +- **Keyboard Shortcuts**: Press `Space` to Start/Stop scrolling. +- **Mirrored Mode**: (Coming soon/CSS ready) - Useful for actual teleprompter glass hardware. + +## How to Run + +1. Install dependencies: + ```bash + npm install + ``` +2. Start the application: + ```bash + npm start + ``` + +## Usage + +1. Click the **Folder Icon** or **Select File** button to open a script. +2. Adjust **Size** and **Speed** using the sliders. +3. Click the **Play** button or press **Space** to start reading. diff --git a/index.html b/index.html new file mode 100644 index 0000000..8e465dc --- /dev/null +++ b/index.html @@ -0,0 +1,86 @@ + + + + + + Teleprompter + + + + + + + +
+ +
+
+
+

Ready to Record?

+

Open a markdown file to begin your session.

+ +
+ +
+ +
+
+ + +
+
+ +
+ +
+ +
+ +
+ +
+ +
+ Speed + +
+ +
+ +
+ Size + +
+ +
+ +
+ +
+
+
+ + + + + diff --git a/main.js b/main.js new file mode 100644 index 0000000..71df66c --- /dev/null +++ b/main.js @@ -0,0 +1,63 @@ +const { app, BrowserWindow, ipcMain, dialog } = require('electron'); +const path = require('path'); +const fs = require('fs'); + +function createWindow() { + const win = new BrowserWindow({ + width: 1000, + height: 800, + webPreferences: { + preload: path.join(__dirname, 'preload.js'), + nodeIntegration: false, + contextIsolation: true, + sandbox: true + }, + // Modern dark theme background + backgroundColor: '#0f172a', + titleBarStyle: 'hiddenInset' // Looks cleaner on macOS, normal on others + }); + + win.loadFile('index.html'); +} + +app.whenReady().then(() => { + createWindow(); + + app.on('activate', () => { + if (BrowserWindow.getAllWindows().length === 0) { + createWindow(); + } + }); +}); + +app.on('window-all-closed', () => { + if (process.platform !== 'darwin') { + app.quit(); + } +}); + +ipcMain.handle('open-file-dialog', async () => { + const { canceled, filePaths } = await dialog.showOpenDialog({ + properties: ['openFile'], + filters: [ + { name: 'Markdown', extensions: ['md', 'markdown', 'txt'] }, + { name: 'All Files', extensions: ['*'] } + ] + }); + + if (canceled) { + return null; + } else { + return filePaths[0]; + } +}); + +ipcMain.handle('read-file', async (event, filePath) => { + try { + const content = fs.readFileSync(filePath, 'utf-8'); + return content; + } catch (err) { + console.error("Error reading file", err); + throw err; + } +}); diff --git a/package-lock.json b/package-lock.json new file mode 100644 index 0000000..728d32b --- /dev/null +++ b/package-lock.json @@ -0,0 +1,887 @@ +{ + "name": "teleprompter", + "version": "1.0.0", + "lockfileVersion": 3, + "requires": true, + "packages": { + "": { + "name": "teleprompter", + "version": "1.0.0", + "license": "ISC", + "dependencies": { + "marked": "^15.0.12" + }, + "devDependencies": { + "electron": "^39.2.6" + } + }, + "node_modules/@electron/get": { + "version": "2.0.3", + "resolved": "https://registry.npmjs.org/@electron/get/-/get-2.0.3.tgz", + "integrity": "sha512-Qkzpg2s9GnVV2I2BjRksUi43U5e6+zaQMcjoJy0C+C5oxaKl+fmckGDQFtRpZpZV0NQekuZZ+tGz7EA9TVnQtQ==", + "dev": true, + "license": "MIT", + "dependencies": { + "debug": "^4.1.1", + "env-paths": "^2.2.0", + "fs-extra": "^8.1.0", + "got": "^11.8.5", + "progress": "^2.0.3", + "semver": "^6.2.0", + "sumchecker": "^3.0.1" + }, + "engines": { + "node": ">=12" + }, + "optionalDependencies": { + "global-agent": "^3.0.0" + } + }, + "node_modules/@sindresorhus/is": { + "version": "4.6.0", + "resolved": "https://registry.npmjs.org/@sindresorhus/is/-/is-4.6.0.tgz", + "integrity": "sha512-t09vSN3MdfsyCHoFcTRCH/iUtG7OJ0CsjzB8cjAmKc/va/kIgeDI/TxsigdncE/4be734m0cvIYwNaV4i2XqAw==", + "dev": true, + "license": "MIT", + "engines": { + "node": ">=10" + }, + "funding": { + "url": "https://github.com/sindresorhus/is?sponsor=1" + } + }, + "node_modules/@szmarczak/http-timer": { + "version": "4.0.6", + "resolved": "https://registry.npmjs.org/@szmarczak/http-timer/-/http-timer-4.0.6.tgz", + "integrity": "sha512-4BAffykYOgO+5nzBWYwE3W90sBgLJoUPRWWcL8wlyiM8IB8ipJz3UMJ9KXQd1RKQXpKp8Tutn80HZtWsu2u76w==", + "dev": true, + "license": "MIT", + "dependencies": { + "defer-to-connect": "^2.0.0" + }, + "engines": { + "node": ">=10" + } + }, + "node_modules/@types/cacheable-request": { + "version": "6.0.3", + "resolved": "https://registry.npmjs.org/@types/cacheable-request/-/cacheable-request-6.0.3.tgz", + "integrity": "sha512-IQ3EbTzGxIigb1I3qPZc1rWJnH0BmSKv5QYTalEwweFvyBDLSAe24zP0le/hyi7ecGfZVlIVAg4BZqb8WBwKqw==", + "dev": true, + "license": "MIT", + "dependencies": { + "@types/http-cache-semantics": "*", + "@types/keyv": "^3.1.4", + "@types/node": "*", + "@types/responselike": "^1.0.0" + } + }, + "node_modules/@types/http-cache-semantics": { + "version": "4.0.4", + "resolved": "https://registry.npmjs.org/@types/http-cache-semantics/-/http-cache-semantics-4.0.4.tgz", + "integrity": "sha512-1m0bIFVc7eJWyve9S0RnuRgcQqF/Xd5QsUZAZeQFr1Q3/p9JWoQQEqmVy+DPTNpGXwhgIetAoYF8JSc33q29QA==", + "dev": true, + "license": "MIT" + }, + "node_modules/@types/keyv": { + "version": "3.1.4", + "resolved": "https://registry.npmjs.org/@types/keyv/-/keyv-3.1.4.tgz", + "integrity": "sha512-BQ5aZNSCpj7D6K2ksrRCTmKRLEpnPvWDiLPfoGyhZ++8YtiK9d/3DBKPJgry359X/P1PfruyYwvnvwFjuEiEIg==", + "dev": true, + "license": "MIT", + "dependencies": { + "@types/node": "*" + } + }, + "node_modules/@types/node": { + "version": "22.19.2", + "resolved": "https://registry.npmjs.org/@types/node/-/node-22.19.2.tgz", + "integrity": "sha512-LPM2G3Syo1GLzXLGJAKdqoU35XvrWzGJ21/7sgZTUpbkBaOasTj8tjwn6w+hCkqaa1TfJ/w67rJSwYItlJ2mYw==", + "dev": true, + "license": "MIT", + "dependencies": { + "undici-types": "~6.21.0" + } + }, + "node_modules/@types/responselike": { + "version": "1.0.3", + "resolved": "https://registry.npmjs.org/@types/responselike/-/responselike-1.0.3.tgz", + "integrity": "sha512-H/+L+UkTV33uf49PH5pCAUBVPNj2nDBXTN+qS1dOwyyg24l3CcicicCA7ca+HMvJBZcFgl5r8e+RR6elsb4Lyw==", + "dev": true, + "license": "MIT", + "dependencies": { + "@types/node": "*" + } + }, + "node_modules/@types/yauzl": { + "version": "2.10.3", + "resolved": "https://registry.npmjs.org/@types/yauzl/-/yauzl-2.10.3.tgz", + "integrity": "sha512-oJoftv0LSuaDZE3Le4DbKX+KS9G36NzOeSap90UIK0yMA/NhKJhqlSGtNDORNRaIbQfzjXDrQa0ytJ6mNRGz/Q==", + "dev": true, + "license": "MIT", + "optional": true, + "dependencies": { + "@types/node": "*" + } + }, + "node_modules/boolean": { + "version": "3.2.0", + "resolved": "https://registry.npmjs.org/boolean/-/boolean-3.2.0.tgz", + "integrity": "sha512-d0II/GO9uf9lfUHH2BQsjxzRJZBdsjgsBiW4BvhWk/3qoKwQFjIDVN19PfX8F2D/r9PCMTtLWjYVCFrpeYUzsw==", + "deprecated": "Package no longer supported. 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b/renderer.js @@ -0,0 +1,146 @@ +const btnHeroOpen = document.getElementById('btn-hero-open'); +const btnOpen = document.getElementById('btn-open'); +const btnPlay = document.getElementById('btn-play'); +const btnReset = document.getElementById('btn-reset'); +const inputSpeed = document.getElementById('input-speed'); +const inputSize = document.getElementById('input-size'); +const markdownOutput = document.getElementById('markdown-output'); +const placeholder = document.getElementById('placeholder'); +const scrollContainer = document.getElementById('scroll-container'); +const iconPlay = document.getElementById('icon-play'); +const iconPause = document.getElementById('icon-pause'); + +let isScrolling = false; +let scrollAccumulator = 0; +let animationId; +let scrollSpeed = parseInt(inputSpeed.value, 10); + +// Initialize +function init() { + setupEventListeners(); + updateFontSize(inputSize.value); +} + +function setupEventListeners() { + btnHeroOpen.addEventListener('click', openFile); + btnOpen.addEventListener('click', openFile); + + btnPlay.addEventListener('click', toggleScrolling); + + // Spacebar to toggle + document.addEventListener('keydown', (e) => { + if (e.code === 'Space') { + e.preventDefault(); // Prevent page down scroll + toggleScrolling(); + } + }); + + btnReset.addEventListener('click', () => { + stopScrolling(); + scrollContainer.scrollTo({ top: 0, behavior: 'smooth' }); + }); + + inputSpeed.addEventListener('input', (e) => { + scrollSpeed = parseInt(e.target.value, 10); + }); + + inputSize.addEventListener('input', (e) => { + updateFontSize(e.target.value); + }); +} + +async function openFile() { + const filePath = await window.electronAPI.openFileDialog(); + if (filePath) { + const content = await window.electronAPI.readFile(filePath); + renderMarkdown(content); + } +} + +function renderMarkdown(content) { + if (!content) return; + + // Using marked from global scope (loaded via script tag) + const html = marked.parse(content); + markdownOutput.innerHTML = html; + + // Switch view + placeholder.style.display = 'none'; + markdownOutput.style.display = 'block'; + + // Reset scroll + scrollContainer.scrollTop = 0; +} + +function updateFontSize(size) { + markdownOutput.style.fontSize = `${size}px`; +} + +function toggleScrolling() { + if (isScrolling) { + stopScrolling(); + } else { + startScrolling(); + } +} + +function startScrolling() { + if (!markdownOutput.innerHTML) return; // Don't scroll if empty + + isScrolling = true; + btnPlay.classList.add('active'); + iconPlay.style.display = 'none'; + iconPause.style.display = 'block'; + + animationId = requestAnimationFrame(step); +} + +function stopScrolling() { + isScrolling = false; + btnPlay.classList.remove('active'); + iconPlay.style.display = 'block'; + iconPause.style.display = 'none'; + cancelAnimationFrame(animationId); +} + +function step() { + if (!isScrolling) return; + + // Calculate scroll amount based on speed + // Map 1-100 to sensible range. + // Let's say max speed (100) is ~300 pixels per second? ~5px/frame at 60fps + // Min speed (1) is ~10 pixels per second? ~0.16px/frame + + // Formula: (speed / 100) * maxPixelsPerFrame + // Adding a base speed so 1 isn't 0. + + const maxSpeedValues = 5.0; + const minSpeedValues = 0.2; + + // Exponential curve for better control at lower speeds + // Normalized speed 0-1 + const normalizedSpeed = (scrollSpeed - 1) / 99; + + // Linear interpolation? Or quadratic? Quadratic feels "acceleration" + // Let's stick to linear for predictability first, user says "simple" + const pixelsPerFrame = minSpeedValues + (normalizedSpeed * (maxSpeedValues - minSpeedValues)); + + scrollAccumulator += pixelsPerFrame; + const pixelsToScroll = Math.floor(scrollAccumulator); + + if (pixelsToScroll >= 1) { + // Stop if at bottom + // Use a small buffer (1px) for float inconsistencies + if (Math.ceil(scrollContainer.scrollTop + scrollContainer.clientHeight) >= scrollContainer.scrollHeight) { + stopScrolling(); + return; + } + + scrollContainer.scrollTop += pixelsToScroll; + scrollAccumulator -= pixelsToScroll; + } + + animationId = requestAnimationFrame(step); +} + +init(); diff --git a/sample_text.md b/sample_text.md new file mode 100644 index 0000000..dc2daf3 --- /dev/null +++ b/sample_text.md @@ -0,0 +1,41 @@ +### 1. Intro & Persönliches +*(Blick direkt in die Kamera, freundliches Lächeln. Haltung: Aufrecht und offen.)* + +**"Hi everyone, I am Markus Graf. I am 43 years old, a father of two, and I live with my family here in Fällanden near Zurich."** + +*(Kurze Pause – lass das wirken.)* + +### 2. Die Überleitung (Der "Hook") +*(Ruhiger, erklärender Tonfall.)* + +**"You already have my application documents. So, I won’t repeat my career path here. Instead, I want to show you who I am personally."** + +*(Kurze Pause.)* + +### 3. Tech im Alltag (Die "Ampel"-Story) +*(Hier darf man deine Begeisterung spüren. Bei "traffic light" evtl. Gänsefüßchen-Geste oder ein Schmunzeln.)* + +**"My daily life often inspires my tech projects. We are four people sharing one bathroom. So, I built a smart 'traffic light' system to avoid stress in the morning. I just love using technology to solve real problems."** + +*(Kurze Pause.)* + +### 4. Der Problemlöser (Spielgruppe) +*(Seriöser, stolzer Tonfall. Betone das Wort "processes".)* + +**"I also help my community. When I took over the administration for our local playgroup, I digitized all their processes. The result? We saved three jobs because the administration work became much easier."** + +*(Kurze Pause.)* + +### 5. Mentoring & Accessibility +*(Wärmerer Tonfall, der deine pädagogische Seite zeigt.)* + +**"Besides these projects, I really love sharing my knowledge. I guided IT apprentices through their final projects. I also helped build the 'Accessibility Developer Guide' and taught a course on it. I want to bring this mindset to the Student Project House."** + +*(Kurze Pause.)* + +### 6. Outro +*(Lächeln wieder aufbauen für den Abschied.)* + +**"I look forward to meeting you and working on new ideas with the students. See you soon!"** + +*(Lächeln halten, bis die Aufnahme gestoppt ist. Winken oder Nicken optional.)* \ No newline at end of file diff --git a/styles.css b/styles.css new file mode 100644 index 0000000..6f86baf --- /dev/null +++ b/styles.css @@ -0,0 +1,224 @@ +/* Reset & Base */ +:root { + --bg-color: #0f172a; /* Slate 900 */ + --text-color: #f1f5f9; /* Slate 100 */ + --accent-color: #38bdf8; /* Sky 400 */ + --panel-bg: rgba(15, 23, 42, 0.8); + --border-color: rgba(255, 255, 255, 0.1); + --font-main: 'Outfit', sans-serif; +} + +* { box-sizing: border-box; margin: 0; padding: 0; user-select: none; } + +body { + font-family: var(--font-main); + background-color: var(--bg-color); + background-image: + radial-gradient(at 0% 0%, rgba(56, 189, 248, 0.1) 0px, transparent 50%), + radial-gradient(at 100% 100%, rgba(139, 92, 246, 0.1) 0px, transparent 50%); + color: var(--text-color); + height: 100vh; + width: 100vw; + overflow: hidden; +} + +/* Wrapper */ +#wrapper { + position: relative; + width: 100%; + height: 100%; +} + +/* Scroll Container */ +#scroll-container { + height: 100%; + overflow-y: auto; + padding: 0 15%; /* Margins for reading */ + position: relative; + scroll-behavior: auto; /* JS controlled */ + scrollbar-width: none; /* Firefox */ +} +#scroll-container::-webkit-scrollbar { display: none; } /* Chrome/Safari */ + +/* Content */ +#content-area { + padding-top: 45vh; /* Eye level approximately */ + /* Large bottom padding to ensure the last line can scroll up to the eye level */ + padding-bottom: 50vh; + min-height: 100%; +} + +#markdown-output { + font-size: 60px; + line-height: 1.4; + font-weight: 500; + text-align: left; + outline: none; + transition: font-size 0.2s ease, text-align 0.3s; +} + +/* Typography for MD */ +#markdown-output h1 { font-size: 1.5em; color: #fff; margin-bottom: 0.5em; font-weight: 700; letter-spacing: -0.02em; } +#markdown-output h2 { font-size: 1.3em; color: #e2e8f0; margin-top: 1em; margin-bottom: 0.5em; font-weight: 600; } +#markdown-output p { margin-bottom: 1em; color: #cbd5e1; } +#markdown-output ul, #markdown-output ol { margin-bottom: 1em; padding-left: 1.2em; } +#markdown-output li { margin-bottom: 0.5em; } +#markdown-output strong { color: var(--accent-color); } +#markdown-output blockquote { border-left: 4px solid var(--accent-color); padding-left: 1em; margin-left: 0; font-style: italic; color: #94a3b8; } + +/* Placeholder */ +#placeholder { + text-align: center; + color: #94a3b8; + margin-top: 0; + position: absolute; + top: 50%; + left: 50%; + transform: translate(-50%, -50%); + width: 100%; +} +#placeholder h1 { font-size: 3rem; margin-bottom: 1rem; color: #fff; letter-spacing: -1px; } +#btn-hero-open { + background: var(--accent-color); + color: #0f172a; + border: none; + padding: 1rem 2.5rem; + font-size: 1.2rem; + border-radius: 50px; + cursor: pointer; + font-weight: 600; + box-shadow: 0 4px 20px rgba(56, 189, 248, 0.4); + transition: all 0.2s; +} +#btn-hero-open:hover { + transform: scale(1.05); + background: #fff; + box-shadow: 0 6px 25px rgba(255, 255, 255, 0.3); +} + +/* Control Bar */ +#control-bar { + position: fixed; + bottom: 32px; + left: 50%; + transform: translateX(-50%) translateY(0); + background: var(--panel-bg); + backdrop-filter: blur(20px); + -webkit-backdrop-filter: blur(20px); + border: 1px solid var(--border-color); + border-top: 1px solid rgba(255,255,255,0.2); + border-radius: 24px; + padding: 12px 28px; + display: flex; + align-items: center; + gap: 20px; + box-shadow: 0 20px 40px rgba(0,0,0,0.4); + z-index: 1000; + transition: transform 0.3s, opacity 0.3s; +} + +#control-bar.hidden { + transform: translateX(-50%) translateY(150%); + opacity: 0; +} + +.control-group { + display: flex; + align-items: center; + gap: 12px; +} + +.divider { + width: 1px; + height: 32px; + background: linear-gradient(to bottom, transparent, var(--border-color), transparent); +} + +/* Buttons */ +button { + background: transparent; + border: none; + cursor: pointer; + color: var(--text-color); + transition: all 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94); + display: flex; + align-items: center; + justify-content: center; +} +button:active { transform: scale(0.95); } + +.icon-btn { + padding: 8px; + border-radius: 12px; + color: #94a3b8; +} +.icon-btn:hover { background: rgba(255,255,255,0.05); color: #fff; } + +.action-btn { + background: var(--accent-color); + color: #0f172a; + width: 52px; + height: 52px; + border-radius: 50%; + box-shadow: 0 0 15px rgba(56, 189, 248, 0.3); +} +.action-btn:hover { // scale effect + background: #fff; + transform: scale(1.05); + box-shadow: 0 0 20px rgba(255, 255, 255, 0.4); +} +.action-btn.active { + background: #ef4444; /* Red for Stop */ + color: white; + box-shadow: 0 0 15px rgba(239, 68, 68, 0.4); +} +.action-btn.active:hover { + background: #ff6b6b; +} + +/* Sliders */ +.slider-group { + display: flex; + flex-direction: column; + align-items: flex-start; + gap: 4px; + position: relative; + top: -2px; +} +.label { + font-size: 0.65rem; + text-transform: uppercase; + font-weight: 700; + letter-spacing: 0.05em; + color: #64748b; + margin-left: 2px; +} +input[type=range] { + -webkit-appearance: none; + width: 120px; + background: transparent; + cursor: pointer; + margin-top: 2px; +} +input[type=range]:focus { outline: none; } +input[type=range]::-webkit-slider-thumb { + -webkit-appearance: none; + height: 14px; + width: 14px; + border-radius: 50%; + background: #fff; + margin-top: -5px; + box-shadow: 0 2px 6px rgba(0,0,0,0.3); + transition: transform 0.1s; +} +input[type=range]::-webkit-slider-thumb:hover { transform: scale(1.2); } +input[type=range]::-webkit-slider-runnable-track { + width: 100%; + height: 4px; + background: rgba(255,255,255,0.1); + border-radius: 2px; +} +input[type=range]:active::-webkit-slider-runnable-track { background: rgba(56, 189, 248, 0.3); } + +/* Mirror mode util effectively flipping X */ +.mirrored { transform: scaleX(-1); }