╭─────────────╮ │scroll to top│ ╰─────────────╯ ╭ script.js ────────────────────────────────────────────────────╮ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ ╰───────────────────────────────────────────────────────────────╯
🬐 🬠 🬞🬂🬏 🬟 🬑 🬟 🬑 ╭d8d95d5e..╮ d8d95d5e.. see-em: 🬋🬋🬋 🬋🬋🬋 🬋 🬋 │files │ commits refs discuss issues new login 🬐 🬠 🬐 🬠 🬑 🬟 🬰 ╰──────────╯ (173) user
╭────╮ ╭ clone ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ╮ │http│ ssh │ │ ╰────╯ ╰ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ╯
.. demon.ans haxy.wasm index.html ╭─────────────────────────────────╮ │script.js │ ╰─────────────────────────────────╯ term.ttf
108 window.scrollTo({ top }); 109 } else if (bottom > viewBottom) { 110 window.scrollTo({ top: bottom - document.documentElement.clientHeight }); 111 } 112 }, 113 }, 114 }; 115 116 function sendTextInputValue(focusId, value) { 117 const bytes = encoder.encode(value); 118 const ptr = wasmInstance.exports._alloc(bytes.length); 119 new Uint8Array(wasmInstance.exports.memory.buffer, ptr, bytes.length).set(bytes); 120 wasmInstance.exports._setTextInputValue(focusId, ptr, bytes.length); 121 wasmInstance.exports._tick(minRows(), maxCols()); 122 } 123 124 function sendEnter(form) { 125 const btn = form.querySelector("button[type=submit][data-focus-id]"); 126 if (!btn) return; 127 wasmInstance.exports._onMouseClick(Number(btn.dataset.focusId)); 128 wasmInstance.exports._onKeyDown(13); 129 wasmInstance.exports._tick(minRows(), maxCols()); 130 } 131 132 WebAssembly.instantiateStreaming(fetch("/haxy.wasm"), importObject).then(async (result) => { 133 wasmInstance = result.instance; 134 135 // wait for the @font-face to load before measuring cell width, otherwise 136 // we get the fallback font's metrics. 137 if (document.fonts && document.fonts.ready) { 138 await document.fonts.ready; 139 } 140 141 // the page is embedded as base64 so it can sit inside the host html 142 // without worrying about characters that would terminate the script tag. 143 // decode here and hand the raw json bytes to the wasm. 144 const jsonBytes = Uint8Array.from(atob(pageJsonBase64), (c) => c.charCodeAt(0)); 145 const ptr = wasmInstance.exports._alloc(jsonBytes.length); 146 new Uint8Array(wasmInstance.exports.memory.buffer, ptr, jsonBytes.length).set(jsonBytes); 147 wasmInstance.exports._init(ptr, jsonBytes.length, minRows(), maxCols()); 148 149 document.addEventListener("keydown", (event) => { 150 // let the browser handle modifier combos. the TUI only uses unmodified keys, 151 // so intercepting these would just break normal browser navigation. 152 if (event.altKey || event.ctrlKey || event.metaKey) return; 153 // when a form element (text input or submit button) owns focus, 154 // the browser handles typing, Enter-to-submit, and Tab natively. 155 // we only forward keys into the TUI when focus is elsewhere. 156 // exception: arrow up/down on an input unfocuses it and forwards 157 // the event so the TUI can move focus between widgets. 158 if (document.activeElement) { 159 const tag = document.activeElement.tagName; 160 const isArrow = event.key === "ArrowUp" || event.key === "ArrowDown" || 161 event.key === "ArrowLeft" || event.key === "ArrowRight"; 162 if (tag === "INPUT" && (event.key === "ArrowUp" || event.key === "ArrowDown")) { 163 // up/down moves between widgets; left/right stay in the input 164 document.activeElement.blur(); 165 } else if (tag === "BUTTON" && isArrow) { 166 // arrows navigate away from a focused submit button 167 document.activeElement.blur(); 168 } else if (tag === "INPUT" || tag === "BUTTON") { 169 // Enter (submit), typing, Tab — handled natively by the browser 170 return; 171 } 172 } 173 if (["ArrowUp", "ArrowDown", "ArrowLeft", "ArrowRight", "PageUp", "PageDown", "Home", "End"].includes(event.key)) { 174 event.preventDefault(); 175 } 176 wasmInstance.exports._onKeyDown(event.keyCode); 177 wasmInstance.exports._tick(minRows(), maxCols()); 178 }); 179 180 // listeners on document (not #grid) since the form lives outside #grid; 181 // input/focus events from form elements still bubble up to document. 182 document.addEventListener("input", (event) => { 183 const t = event.target; 184 if (!t || t.tagName !== "INPUT" || !t.dataset.focusId) return; 185 sendTextInputValue(Number(t.dataset.focusId), t.value); 186 }); 187 188 document.addEventListener("focusin", (event) => { 189 const t = event.target; 190 if (!t || !t.dataset || !t.dataset.focusId) return; 191 // sync the wasm focus to wherever the browser moved focus 192 wasmInstance.exports._setFocus(Number(t.dataset.focusId)); 193 // a click's mousedown fires this focusin before the click event. ticking 194 // here would rebuild #grid and destroy the node before its click lands, 195 // swallowing the navigation and forcing a second click — so don't 196 // re-render for a grid element. overlay controls live outside #grid and 197 // survive the diff, so they still tick. 198 if (!grid.contains(t)) wasmInstance.exports._tick(minRows(), maxCols()); 199 }); 200 201 grid.addEventListener("click", (event) => { 202 const span = event.target.closest(".clickable"); 203 if (!span) return; 204 const focusId = Number(span.dataset.focusId); 205 wasmInstance.exports._onMouseClick(focusId); 206 wasmInstance.exports._tick(minRows(), maxCols()); 207 }); 208 209 let resizeTimer = null; 210 window.addEventListener("resize", () => { 211 clearTimeout(resizeTimer); 212 resizeTimer = setTimeout(() => { 213 wasmInstance.exports._tick(minRows(), maxCols()); 214 }, 100); 215 }); 216 }); 217