change the process title

index.js

@@ -2,6 +2,7 @@ const render = require('./render');
 const mpris = require('./mpris');
 
 async function main() {
+  process.title = 'bouncy';
   mpris.init(render.error, render.warning, render.info);
   setInterval(() => {render.render(mpris.getArtist(), mpris.getAlbum(), mpris.getTitle(), mpris.getSongStart(), mpris.getSongEnd(), mpris.getSongPauseSpot(), mpris.getSongPaused())}, render.refreshrate);
 }

readme.md

@@ -11,8 +11,12 @@ bouncy is a tiny script that hooks onto mpris to read your currently listening s
 - a machine running dbus and mpris (typically linux)
 - nodejs >=14
 
-## how-to
+## how-to install
 
 `npm install` and `node index.js`
 
 the music player string defaults to `org.mpris.MediaPlayer2.rhythmbox`, however you can use the `BOUNCY_MUSICPLAYER` environment value to change it to another music player name
+
+## usage
+
+press space to switch between modes

render.js

@@ -1,5 +1,29 @@
 const readline = require('readline');
 
+readline.emitKeypressEvents(process.stdin);
+
+if (process.stdin.isTTY) {
+  process.stdin.setRawMode(true);
+}
+
+const modes = ['classic', 'bottom', 'top'];
+let mode = 0;
+
+let modePopup = 0;
+const modePopupDuration = 2;
+
+process.stdin.on('keypress', (str, key) => {
+  if (key.name === 'space') {
+    mode++;
+    mode = mode % modes.length;
+    modePopup = modePopupDuration;
+  }
+  if (key.sequence === '\x03' || key.sequence === '\x04') process.exit(0); // ctrl+c, ctrl+d
+});
+process.on('exit', () => {
+  process.stdout.write('\x1B[?25h\033[0m'); // show cursor
+})
+
 const plas = [' ', '.', '*', '/', '0'];
 const progressChars = ['▏', '▎', '▍', '▌', '▋', '▊', '▉'];
 //const progressChars = ['0', '1', '2', '3', '4', '5', '6', '7'];
@@ -30,9 +54,8 @@ function plasma(x, y, time, k) {
 let displaytitle = '';
 let displayalbum = '';
 
-let errorText = '';
+// type: 0 = error, 1 = warning, 2 = info
-let errorTimer = 0;
+let popups = [];
-let errorType = 0; // 0 = error, 1 = warning, 2 = info
 
 function transform(old, n) {
   if (old.length < n.length) {
@@ -59,7 +82,7 @@ let time = 0;
 function render(artist, album, title, songStart, songEnd, pauseSpot, paused) {
   let dt = refreshrate / 1000
   time += dt;
-  errorTimer -= dt;
+  modePopup -= dt;
   let w = process.stdout.columns;
   let h = process.stdout.rows;
 
@@ -74,34 +97,80 @@ function render(artist, album, title, songStart, songEnd, pauseSpot, paused) {
   }
 
   // leaving the coordinates as non-integer values is very undefined behavior
-  let texts = [
+  let texts = [];
-    {
+
-      value: ' ' + displaytitle + ' ',
+  switch (mode) {
-      x: Math.round(w / 2 - displaytitle.length / 2 + Math.sin(time) * 5),
+    case 0:
-      y: Math.floor(h / 2) - 1,
+      texts.push({
-      color: '\033[7;1m'
+        value: ' ' + displaytitle + ' ',
-    },
+        x: Math.round(w / 2 - displaytitle.length / 2 + Math.sin(time) * 5),
-    {
+        y: Math.floor(h / 2) - 1,
-      value: ' ' + displayalbum + ' ',
+        color: '\033[7;1m'
-      x: Math.round(w / 2 - displayalbum.length / 2 - Math.sin(time) * 5),
+      });
-      y: Math.floor(h / 2) + 1,
+      texts.push({
-      color: '\033[7m'
+        value: ' ' + displayalbum + ' ',
+        x: Math.round(w / 2 - displayalbum.length / 2 - Math.sin(time) * 5),
+        y: Math.floor(h / 2) + 1,
+        color: '\033[7m'
+      });
+      break;
+    case 1:
+      texts.push({
+        value: ' ' + displaytitle + ' '.repeat(w),
+        x: 0,
+        y: h - 3,
+        color: '\033[7;1m'
+      });
+      texts.push({
+        value: '  ' + displayalbum + ' '.repeat(w),
+        x: 0,
+        y: h - 2,
+        color: '\033[7m'
+      });
+      break;
+    case 2:
+      texts.push({
+        value: ' ' + displaytitle + ' '.repeat(w),
+        x: 0,
+        y: 0,
+        color: '\033[7;1m'
+      });
+      texts.push({
+        value: '  ' + displayalbum + ' '.repeat(w),
+        x: 0,
+        y: 1,
+        color: '\033[7m'
+      });
+      break;
+  }
+
+  let i = 0;
+  for (let popup of popups) {
+    popup.timer -= dt;
+    if (popup.timer < 0) {
+      popups.splice(i, 1);
+    } else {
+      let symbol = ['⚠️', '⚠️', 'ℹ'][popup.type];
+      let color = ['\033[41;37m', '\033[43;37m', '\033[44;37m'][popup.type];
+      let text = ` ${symbol} ${popup.text} `;
+
+      texts.push({
+        value: ' '.repeat(text.length) + text,
+        x: -text.length * 2 + Math.round((text.length + 3) * outCirc(Math.min(popup.timer, 1))),
+        y: 3 + i,
+        color: color
+      });
+
+      i++;
     }
-  ];
+  }
-
-  if (errorText && errorTimer > 0) {
-    let symbol = '⚠️';
-    if (errorType === 2) symbol = 'ℹ';
-
-    let color = '\033[41;37m';
-    if (errorType === 1) color = '\033[43;37m';
-    if (errorType === 2) color = '\033[44;37m';
 
+  if (modePopup > 0) {
     texts.push({
-      value: ` ${symbol} ${errorText} `,
+      value: modes[mode],
-      x: 4,
+      x: Math.floor(w - ((modes[mode].length + 2) * outCirc(Math.min(modePopup, 1)))),
-      y: Math.round(3 * outCirc(Math.min(errorTimer, 1))),
+      y: 0,
-      color: color
+      color: '\033[40;37m'
     });
   }
 
@@ -179,21 +248,9 @@ function render(artist, album, title, songStart, songEnd, pauseSpot, paused) {
   }
 }
 
-function error(content) {
+function error(content) {popups.push({text: content, timer: errorDuration, type: 0});}
-  errorText = content;
+function warning(content) {popups.push({text: content, timer: errorDuration, type: 1});}
-  errorTimer = errorDuration;
+function info(content) {popups.push({text: content, timer: errorDuration, type: 2});}
-  errorType = 0;
-}
-function warning(content) {
-  errorText = content;
-  errorTimer = errorDuration;
-  errorType = 1;
-}
-function info(content) {
-  errorText = content;
-  errorTimer = errorDuration;
-  errorType = 2;
-}
 
 module.exports.render = render;
 module.exports.refreshrate = refreshrate;