New keyboard app

apps/kbmulti/ChangeLog

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+0.01: New keyboard

apps/kbmulti/README.md

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+# Multitap Keyboard
+
+A library that provides the ability to input text in a style familiar to anyone who had a mobile phone before they went all touchscreen.
+
+Uses the multitap keypad logic originally from here: http://www.espruino.com/Morse+Code+Texting
+
+![](screenshot.png)
+

apps/kbmulti/lib.js

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+//Multitap logic originally from here: http://www.espruino.com/Morse+Code+Texting
+
+exports.input = function(options) {
+  options = options||{};
+  var text = options.text;
+  if ("string"!=typeof text) text="";
+
+  var fontSize = "6x15";
+  var Layout = require("Layout");
+  var letters = {
+    "1":".,!?1","2":"ABC2","3":"DEF3",
+    "4":"GHI4","5":"JKL5","6":"MNO6",
+    "7":"PQRS7","8":"TUV8","9":"WXYZ9",
+    "0":"_@:/0"
+  };
+
+  var charTimeout; // timeout after a key is pressed
+  var charCurrent; // current character (index in letters)
+  var charIndex; // index in letters[charCurrent]
+  var caps = true;
+  var layout;
+  //var text = "";
+
+  function displayText() {
+    layout.clear(layout.text);
+    layout.text.label = text;
+    layout.render(layout.text);
+  }
+
+  function backspace() {
+    // remove the timeout if we had one
+    if (charTimeout!==undefined) {
+      clearTimeout(charTimeout);
+      charTimeout = undefined;
+    }
+    text = text.slice(0, -1);
+    newCharacter();
+  }
+
+  function setCaps() {
+    caps = !caps;
+    for (var key in letters) {
+      layout[key].label = caps ? letters[key].toUpperCase() : letters[key].toLowerCase();
+    }
+    layout.render();
+  }
+
+  function newCharacter(ch) {
+    text = text.replace("_", " ");
+    displayText();
+    charCurrent = ch;
+    charIndex = 0;
+  }
+
+  function onKeyPad(key) {
+    // remove the timeout if we had one
+    if (charTimeout!==undefined) {
+      clearTimeout(charTimeout);
+      charTimeout = undefined;
+    }
+    // work out which char was pressed
+    if (key==charCurrent) {
+      charIndex = (charIndex+1) % letters[charCurrent].length;
+      text = text.slice(0, -1);
+    } else {
+      newCharacter(key);
+    }
+    var newLetter = letters[charCurrent][charIndex];
+    text += (caps ? newLetter.toUpperCase() : newLetter.toLowerCase());
+    displayText();
+    // set a timeout
+    charTimeout = setTimeout(function() {
+      charTimeout = undefined;
+      newCharacter();
+    }, 750);
+  }
+  return new Promise((resolve,reject) => {
+    layout = new Layout( {
+      type:"v", c: [
+        {type:"txt", font:"10%", label:"", id:"text", filly:1, fillx:1},
+        {type:"h", c: [
+          {type:"btn", font:fontSize, label:letters[1], cb: l=>onKeyPad(1), id:'1', fillx:1 },
+          {type:"btn", font:fontSize, label:letters[2], cb: l=>onKeyPad(2), id:'2', fillx:1 },
+          {type:"btn", font:fontSize, label:letters[3], cb: l=>onKeyPad(3), id:'3', fillx:1 },
+        ]},
+        {type:"h", c: [
+          {type:"btn", font:fontSize, label:letters[4], cb: l=>onKeyPad(4), id:'4', fillx:1 },
+          {type:"btn", font:fontSize, label:letters[5], cb: l=>onKeyPad(5), id:'5', fillx:1 },
+          {type:"btn", font:fontSize, label:letters[6], cb: l=>onKeyPad(6), id:'6', fillx:1 },
+        ]},
+        {type:"h", c: [
+          {type:"btn", font:fontSize, label:letters[7], cb: l=>onKeyPad(7), id:'7', fillx:1 },
+          {type:"btn", font:fontSize, label:letters[8], cb: l=>onKeyPad(8), id:'8', fillx:1 },
+          {type:"btn", font:fontSize, label:letters[9], cb: l=>onKeyPad(9), id:'9', fillx:1 },
+        ]},
+        {type:"h", c: [
+          {type:"btn", font:fontSize, label:letters[0], cb: l=>onKeyPad(0), id:'0', fillx:1 },
+          {type:"btn", font:fontSize, label:"^", cb: l=>setCaps(), id:'caps', fillx:1},
+          {type:"btn", font:fontSize, label:"<", cb: l=>backspace(), fillx:1 },
+        ]},
+      ]
+    },{back: ()=>{
+      Bangle.setUI();
+      g.clearRect(Bangle.appRect);
+      resolve(text);
+    }});
+    g.clearRect(Bangle.appRect);
+    layout.render();
+  });
+};

apps/kbmulti/metadata.json

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+{ "id": "kbmulti",
+  "name": "Multitap keyboard",
+  "version":"0.04",
+  "description": "A library for text input via multitap/T9 style keypad",
+  "icon": "app.png",
+  "type":"textinput",
+  "tags": "keyboard",
+  "supports" : ["BANGLEJS2"],
+  "screenshots": [{"url":"screenshot.png"}],
+  "readme": "README.md",
+  "storage": [
+    {"name":"textinput","url":"lib.js"}
+  ]
+}