test script for mouse modes

2026-08-05 13:43:48 -07:00 · 2019-07-14 20:34:51 +02:00
parent ff017f8960
commit e5728ca78f
1 changed files with 97 additions and 0 deletions
@@ -0,0 +1,97 @@
+let activeEnc = 0;
+
+const stdin = process.openStdin();
+process.stdin.setRawMode(true);
+
+// close handler - reset terminal on exit
+stdin.addListener('data', function(data) {
+  if (data[0] === 0x04) {
+      process.stdin.setRawMode(false);
+      process.stdout.write('\x1bc');
+      process.exit();
+  }
+  if (data[0] === 0x01) {
+    switchActive();
+    printMenu();
+  }
+  console.log('\x1b[100;H\x1b[2A\x1b[2KReport:', data, [data.toString('binary')]);
+  // filter mouse reports
+  if (data[0] === 0x1b && data[1] === '['.charCodeAt(0)) {
+    applyReportData(data);
+  }
+});
+
+const BUTTONS = ['left', 'middle', 'right'];
+
+// encodings: ENCODING_NAME => [sequence, parse_report]
+const ENC = {
+  'X10'  : [
+    '\x1b[?9h',
+    // format: CSI M <button + 32> <row + 32> <col + 32>
+    report => ({button: report[3] - 32, row: report[4] - 32, col: report[5] - 32})
+  ],
+  'UTF8' : [
+    '\x1b[?9h\x1b[?1005h',
+    // format: CSI M <button + 32> <row + 32> <col + 32>
+    //         + utf8 encoding on row/col
+    report => {
+      const sReport = report.toString(); // decode with utf8
+      return {button: sReport.charCodeAt(3) - 32, row: sReport.charCodeAt(4) - 32, col: sReport.charCodeAt(5) - 32};
+    }
+  ],
+  'SGR'  : [
+    '\x1b[?9h\x1b[?1006h',
+    // format: CSI < Pbutton ; Prow ; Pcol M
+    report => {
+      // strip off introducer + M
+      const sReport = report.toString().slice(3, -1);
+      const [button, row, col] = sReport.split(';');
+      return {button, row, col};
+    }
+  ],
+  'URXVT': [
+    '\x1b[?9h\x1b[?1015h',
+    // format: CSI <button + 32> ; Prow ; Pcol M 
+    report => {
+      // strip off introducer + M
+      const sReport = report.toString().slice(2, -1);
+      const [button, row, col] = sReport.split(';');
+      return {button: button - 32, row, col};
+    }
+  ]
+}
+
+function printMenu() {
+  console.log('\x1b[2J\x1b\[HTest mouse reports [Ctrl-D to exit]');
+  console.log();
+  console.log('  Selected encoding [Ctrl-A to switch]');
+  const encs = Object.keys(ENC);
+  for (let i = 0; i < encs.length; ++i) {
+    console.log(`  ${activeEnc === i ? '->' : '  '}  ${encs[i]}`);
+  }
+  process.stdout.write('\x1b[100;H');
+}
+
+function switchActive() {
+  activeEnc++;
+  activeEnc %= Object.keys(ENC).length;
+  activate();
+}
+
+function activate() {
+  // clear all protocols
+  process.stdout.write('\x1b[?9l\x1b[?1005l\x1b[?1006l\x1b[?1015l');
+  // apply new protocol
+  process.stdout.write(ENC[Object.keys(ENC)[activeEnc]][0]);
+  console.log('\x1b[100;H\x1b[2A\x1b[2KReport:');
+}
+
+function applyReportData(data) {
+  let {button, row, col} = ENC[Object.keys(ENC)[activeEnc]][1](data);
+  console.log('\x1b[2KButton:', BUTTONS[button], 'row:', row, 'col:', col);
+  // apply to cursor position
+  process.stdout.write(`\x1b[${col};${row}H`);
+}
+
+printMenu();
+activate();