sleeb

commit ce0e3626eef7a1869b1499d6056824ac0c7a2755
parent eed7ec41fc66a408e46995e91d9bcc312798d95c
Author: tongong <tongong@gmx.net>
Date:   Sat, 15 Jan 2022 20:27:47 +0100

added gesture 10 to delete a character

Diffstat:
M
src/components/key-boxes.js
 | 
7
++++++-
M
src/components/page-input.js
 | 
4
+++-
M
src/modules/input.js
 | 
7
++++++-

3 files changed, 15 insertions(+), 3 deletions(-)
diff --git a/src/components/key-boxes.js b/src/components/key-boxes.js
@@ -10,6 +10,9 @@ module.exports = (vnode) => {
     let active = [false, false, false];
     // contains indizes of pressed key in the order in which they were pressed
     let pressed = [];
+    // if there was a point in time during this gesture where all keys were
+    // pressed simultaneously
+    let full = false;
     // gestures that are not processed yet
     let gestures = [];
     return {
@@ -20,6 +23,7 @@ module.exports = (vnode) => {
                     if (kcb) kcb(e);
                     if (index != -1) {
                         active[index] = true;
+                        if (active.every(e => e)) full = true;
                         pressed.push(index);
                         m.redraw();
                     }
@@ -30,8 +34,9 @@ module.exports = (vnode) => {
                 if (index != -1) {
                     active[index] = false;
                     if (active.every(e => !e)) {
-                        gestures.push(input.pressed2gesture(pressed));
+                        gestures.push(input.pressed2gesture(pressed, full));
                         pressed = [];
+                        full = false;
                         let charMaybe = input.gestures2char(gestures);
                         if (charMaybe) {
                             icb(charMaybe);
diff --git a/src/components/page-input.js b/src/components/page-input.js
@@ -6,9 +6,11 @@ module.exports = () => {
     let written = "> ";
     let blind = false;
     let oninput = (c) => {
-        written += c;
         // clear input on "-" -> new bullet point / new thought
         if (c == "-") written = "> ";
+        else if (c == input.deletechar)
+            written = written.substring(0, written.length - 1)
+        else written += c;
     };
     let blindhandler = (e) => {
         if (e.key == input.blindkey) blind = !blind;
diff --git a/src/modules/input.js b/src/modules/input.js
@@ -2,9 +2,11 @@
 const keys = ["j", "k", "l"];
 const hintkey = "h";
 const blindkey = "b";
+const deletechar = String.fromCharCode(127);
 
 /* pressed is an array of pressed indizes from one gesture */
-function pressed2gesture(pressed) {
+function pressed2gesture(pressed, full) {
+    if (full) return 10;
     if (pressed.length == 1) return pressed[0] + 7;
     else {
         let m = [
@@ -28,6 +30,8 @@ function gestures2char(gestures) {
                 return "-";
             case 9:
                 return ".";
+            case 10:
+                return deletechar;
             default:
                 return false;
         }
@@ -48,6 +52,7 @@ module.exports = {
     keys,
     hintkey,
     blindkey,
+    deletechar,
     pressed2gesture,
     gestures2char
 }