From 8ce1d7ff9d23765c379b9fb8853e0dbf251eb826 Mon Sep 17 00:00:00 2001
From: s-ol <s+removethis@s-ol.nu>
Date: Mon, 21 Mar 2022 21:36:45 +0100
Subject: toolbar, focus, editable size

---
 app/app.js   | 167 ++++++++++++++++++++++++++++++++++++++++++++---------------
 app/style.js |  19 +++----
 2 files changed, 134 insertions(+), 52 deletions(-)

diff --git a/app/app.js b/app/app.js
index 4a00707..98831c8 100644
--- a/app/app.js
+++ b/app/app.js
@@ -1,5 +1,5 @@
 import React from 'react';
-import { pos, width, height } from './style';
+import { css, pos, width, height } from './style';
 import * as notes from './notes';
 
 const statbyte = (stat, chan) => (stat << 4) | chan;
@@ -156,22 +156,78 @@ const ChordView = ({ chord }) => {
   );
 };
 
+css(`
+nav {
+  display: flex;
+  flex-wrap: wrap;
+  justfiy-content: space-between;
+}
+
+nav > .group, nav > .spacer {
+  display: flex;
+  align-items: baseline;
+  padding: 0.25em 1em;
+  gap: 1em;
+
+  border: 0 solid #363636;
+  border-width: 1px 0 1px 0;
+}
+
+nav > .group:nth-child(2n) {
+  background: #363636;
+}
+
+nav > .spacer { flex: 1; }
+`);
+
+css(`
+main {
+  position: relative;
+  padding: 0.5em;
+  margin: 1em 0;
+
+  display: flex;
+  justify-content: space-evenly;
+}
+
+main .focus-msg {
+  position: absolute;
+  inset: 0;
+
+  display: flex;
+  font-size: 5em;
+  justify-content: space-around;
+  align-items: center;
+  text-align: center;
+
+  border: 4px solid white;
+  background: #212121;
+  pointer-events: none;
+
+  opacity: 0.8;
+  transition: opacity 0.4s;
+}
+
+main:focus-within .focus-msg {
+  opacity: 0;
+}
+`);
+
 export default class App extends React.Component {
   state = {
     layout: 'wicki_hayden',
     scale: 'major',
     offset: 60,
     state: {},
+    w: 12,
+    h: 4,
   };
 
-  componentDidMount() {
-    document.addEventListener("keydown", this.onkeydown);
-    document.addEventListener("keyup", this.onkeyup);
-  }
+  ref = React.createRef();
 
-  componentWillUnmount() {
-    document.removeEventListener("keydown", this.onkeydown);
-    document.removeEventListener("keyup", this.onkeyup);
+  componentDidMount() {
+    this.ref.current.addEventListener("keydown", this.onkeydown);
+    this.ref.current.addEventListener("keyup", this.onkeyup);
   }
 
   componentDidUpdate(prevProps) {
@@ -214,10 +270,15 @@ export default class App extends React.Component {
     this.send(NOTE_OFF, note);
   }
 
-  onlayout = (e) => this.setState({ layout: e.target.value })
-  onscale = (e) => this.setState({ scale: e.target.value })
+  set(key) {
+    return (e) => {
+      let value = e.target.value;
+      if (key === 'w' || key === 'h') value = +value;
+      this.setState({ [key]: value });
+    };
+  }
 
-  onoffset = (e) => this.setState({ offset: null });
+  onoffset = (offset) => (e) => this.setState({ offset });
 
   onmessage = (e) => {
     const message = parse(e);
@@ -259,41 +320,60 @@ export default class App extends React.Component {
 
   render() {
     const { configure, showMidi } = this.props;
-    const { scale, offset, layout, state } = this.state;
+    const { w, h, scale, offset, layout, state } = this.state;
 
     const chord = Object.entries(state).filter(([note, on]) => on).map(([k, _]) => k);
     chord.sort();
 
     return (
       <div className="app">
-        <button onClick={configure}>midi settings</button>
-        <div className="option">
-          <label>layout:</label>
-          <select name="layout" onChange={this.onlayout} value={layout}>
-            <option value="wicki_hayden">Wicki-Hayden</option>
-            <option value="harmonic">Harmonic Table</option>
-            <option value="gerhard">Gerhard</option>
-          </select>
-        </div>
-        <div className="option">
-          <label>scale:</label>
-          <select name="layout" onChange={this.onscale} value={scale}>
-            <option value="none">None</option>
-            <option value="major">Major</option>
-            <option value="minor_nat">Natural Minor</option>
-            <option value="minor_harm">Harmonic Minor</option>
-            <option value="minor_mel">Melodic Minor</option>
-            <option value="minor_hung">Hungarian Minor</option>
-            <option value="whole">Whole-Tone</option>
-            <option value="penta">Pentatonic</option>
-          </select>
-          <button onClick={this.onoffset}>set offset</button>
-        </div>
-
-        <div className="main">
+        <nav>
+          <div className="group">
+            <button onClick={configure}>midi settings</button>
+          </div>
+          <div className="group">
+            <label>layout:</label>
+            <select name="layout" value={layout} onChange={this.set('layout')}>
+              <option value="wicki_hayden">Wicki-Hayden</option>
+              <option value="harmonic">Harmonic Table</option>
+              <option value="gerhard">Gerhard</option>
+            </select>
+          </div>
+          <div className="group">
+            <label>scale:</label>
+            <button onClick={this.onoffset(null)}>
+              {notes.music[offset % 12]}
+            </button>
+            <select name="layout" value={scale} onChange={this.set('scale')}>
+              <option value="none">None</option>
+              <option value="major">Major</option>
+              <option value="minor_nat">Natural Minor</option>
+              <option value="minor_harm">Harmonic Minor</option>
+              <option value="minor_mel">Melodic Minor</option>
+              <option value="minor_hung">Hungarian Minor</option>
+              <option value="whole">Whole-Tone</option>
+              <option value="penta">Pentatonic</option>
+            </select>
+          </div>
+          <div className="group">
+            <label>octave:</label>
+            <button onClick={this.onoffset(offset - 12)}>-</button>
+            {Math.floor(offset / 12)}
+            <button onClick={this.onoffset(offset + 12)}>+</button>
+          </div>
+          <div className="group">
+            <label>size:</label>
+            <input className="small" type="number" min="1" value={w} onChange={this.set('w')} />
+            {'x'}
+            <input className="small" type="number" min="1" value={h} onChange={this.set('h')} />
+          </div>
+          <div className="spacer" />
+        </nav>
+
+        <main ref={this.ref} tabIndex="0">
           <Keyboard
-            w={12}
-            h={4}
+            w={w}
+            h={h}
             noteon={this.noteon}
             noteoff={this.noteoff}
             showMidi={showMidi}
@@ -302,10 +382,11 @@ export default class App extends React.Component {
             offset={offset}
             state={state}
           />
-          <ChordView
-            chord={chord}
-          />
-        </div>
+          <ChordView chord={chord} />
+          <div className="focus-msg">
+            <span>click here to activate<br/>keyboard input</span>
+          </div>
+        </main>
       </div>
     );
   }
diff --git a/app/style.js b/app/style.js
index 0897b16..5e84f5c 100644
--- a/app/style.js
+++ b/app/style.js
@@ -57,23 +57,24 @@ button, input, select {
   border: 1px solid #eeeeee;
   color: #eeeeee;
   padding: 0.25em;
-  margin: 0.125em 0;
   border-radius: 0.5em;
 }
 
-.app, .keyboard, .chord {
-  position: relative;
+input.small {
+  width: 4em;
 }
 
-.main {
-  display: flex;
-  justify-content: space-evenly;
+button {
+  padding: 0.25em 0.5em;
 }
 
-.option label {
+label {
   display: inline-block;
-  width: 4em;
-  margin-right: 1em;
+  font-weight: bold;
+}
+
+.app, .keyboard, .chord {
+  position: relative;
 }
 
 .hexagon {
-- 
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