apple1js/js/ui/keyboard.js
2019-09-05 12:01:48 -07:00

312 lines
11 KiB
JavaScript

/* Copyright 2010-2019 Will Scullin <scullin@scullinstekb.com>
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation. No representations are made about the suitability of this
* software for any purpose. It is provided "as is" without express or
* implied warranty.
*/
import { debug, toHex } from '../util';
// keycode: [plain, cntl, shift]
var keymap = {
// Most of these won't happen
0x00: [0x00, 0x00, 0x00], //
0x01: [0x01, 0x01, 0x01], //
0x02: [0x02, 0x02, 0x02], //
0x03: [0x03, 0x03, 0x03], //
0x04: [0x04, 0x04, 0x04], //
0x05: [0x05, 0x05, 0x05], //
0x06: [0x06, 0x06, 0x06], //
0x07: [0x07, 0x07, 0x07], //
0x08: [0x5f, 0x5f, 0x5f], // BS
0x09: [0x09, 0x09, 0x09], // TAB
0x0A: [0x0A, 0x0A, 0x0A], //
0x0B: [0x0B, 0x0B, 0x0B], //
0x0C: [0x0C, 0x0C, 0x0C], //
0x0D: [0x0D, 0x0D, 0x0D], // CR
0x0E: [0x0E, 0x0E, 0x0E], //
0x0F: [0x0F, 0x0F, 0x0F], //
0x10: [0xff, 0xff, 0xff], // SHIFT
0x11: [0xff, 0xff, 0xff], // CTRL
0x12: [0xff, 0xff, 0xff], // OPTION
0x13: [0x13, 0x13, 0x13], //
0x14: [0x14, 0x14, 0x14], //
0x15: [0x15, 0x15, 0x15], //
0x16: [0x16, 0x16, 0x16], //
0x17: [0x17, 0x17, 0x18], //
0x18: [0x18, 0x18, 0x18], //
0x19: [0x19, 0x19, 0x19], //
0x1A: [0x1A, 0x1A, 0x1A], //
0x1B: [0x1B, 0x1B, 0x1B], // ESC
0x1C: [0x1C, 0x1C, 0x1C], //
0x1D: [0x1D, 0x1D, 0x1D], //
0x1E: [0x1E, 0x1E, 0x1E], //
0x1F: [0x1F, 0x1F, 0x1F], //
// Most of these besides space won't happen
0x20: [0x20, 0x20, 0x20], //
0x21: [0x21, 0x21, 0x21], //
0x22: [0x22, 0x22, 0x22], //
0x23: [0x23, 0x23, 0x23], //
0x24: [0x24, 0x24, 0x24], //
0x25: [0x5f, 0x5f, 0x5f], // <- left
0x26: [0x0B, 0x0B, 0x0B], // ^ up
0x27: [0x15, 0x15, 0x15], // -> right
0x28: [0x0A, 0x0A, 0x0A], // v down
0x29: [0x29, 0x29, 0x29], // )
0x2A: [0x2A, 0x2A, 0x2A], // *
0x2B: [0x2B, 0x2B, 0x2B], // +
0x2C: [0x2C, 0x2C, 0x3C], // , - <
0x2D: [0x2D, 0x2D, 0x5F], // - - _
0x2E: [0x2E, 0x2E, 0x3E], // . - >
0x2F: [0x2F, 0x2F, 0x3F], // / - ?
0x30: [0x30, 0x30, 0x29], // 0 - )
0x31: [0x31, 0x31, 0x21], // 1 - !
0x32: [0x32, 0x00, 0x40], // 2 - @
0x33: [0x33, 0x33, 0x23], // 3 - #
0x34: [0x34, 0x34, 0x24], // 4 - $
0x35: [0x35, 0x35, 0x25], // 5 - %
0x36: [0x36, 0x36, 0x5E], // 6 - ^
0x37: [0x37, 0x37, 0x26], // 7 - &
0x38: [0x38, 0x38, 0x2A], // 8 - *
0x39: [0x39, 0x39, 0x28], // 9 - (
0x3A: [0x3A, 0x3A, 0x3A], // :
0x3B: [0x3B, 0x3B, 0x3A], // ; - :
0x3C: [0x3C, 0x3C, 0x3C], // <
0x3D: [0x3D, 0x3D, 0x2B], // = - +
0x3E: [0x3E, 0x3E, 0x3E], // >
0x3F: [0x3F, 0x3F, 0x3F], // ?
// Alpha and control
0x40: [0x40, 0x00, 0x40], // @
0x41: [0x41, 0x01, 0x41], // A
0x42: [0x42, 0x02, 0x42], // B
0x43: [0x43, 0x03, 0x43], // C - BRK
0x44: [0x44, 0x04, 0x44], // D
0x45: [0x45, 0x05, 0x45], // E
0x46: [0x46, 0x06, 0x46], // F
0x47: [0x47, 0x07, 0x47], // G - BELL
0x48: [0x48, 0x08, 0x48], // H
0x49: [0x49, 0x09, 0x49], // I - TAB
0x4A: [0x4A, 0x0A, 0x4A], // J - NL
0x4B: [0x4B, 0x0B, 0x4B], // K - VT
0x4C: [0x4C, 0x0C, 0x4C], // L
0x4D: [0x4D, 0x0D, 0x4D], // M - CR
0x4E: [0x4E, 0x0E, 0x4E], // N
0x4F: [0x4F, 0x0F, 0x4F], // O
0x50: [0x50, 0x10, 0x50], // P
0x51: [0x51, 0x11, 0x51], // Q
0x52: [0x52, 0x12, 0x52], // R
0x53: [0x53, 0x13, 0x53], // S
0x54: [0x54, 0x14, 0x54], // T
0x55: [0x55, 0x15, 0x55], // U
0x56: [0x56, 0x16, 0x56], // V
0x57: [0x57, 0x17, 0x57], // W
0x58: [0x58, 0x18, 0x58], // X
0x59: [0x59, 0x19, 0x59], // Y
0x5A: [0x5A, 0x1A, 0x5A], // Z
// 0x5B: [0x5B, 0x1B, 0x5B], // [ - ESC
// 0x5C: [0x5C, 0x1C, 0x5C], // \
// 0x5D: [0x5D, 0x1D, 0x5D], // ]
0x5E: [0x5E, 0x1E, 0x5E], // ^
0x5F: [0x5F, 0x1F, 0x5F], // _
// Stray keys
0xBA: [0x3B, 0x3B, 0x3A], // ; - :
0xBB: [0x3D, 0x3D, 0x2B], // = - +
0xBC: [0x2C, 0x2C, 0x3C], // , - <
0xBD: [0x2D, 0x2D, 0x5F], // - - _
0xBE: [0x2E, 0x2E, 0x3E], // . - >
0xBF: [0x2F, 0x2F, 0x3F], // / - ?
0xDB: [0x5B, 0x5B, 0x5B], // [
0xDC: [0x5C, 0x5C, 0x5C], // \
0xDD: [0x5D, 0x5D, 0x5D], // ]
0xDE: [0x27, 0x27, 0x22], // ' - "
0xFF: [0xFF, 0xFF, 0xFF] // No comma line
};
export function mapKeyEvent(evt) {
var code = evt.keyCode;
if (code in keymap) {
return keymap[code][evt.shiftKey ? 2 : (evt.ctrlKey ? 1 : 0)];
}
debug('Unhandled key = ' + toHex(code));
return 0xFF;
}
export function KeyBoard(id, cpu, io, text) {
var keys =
[[['1','2','3','4','5','6','7','8','9','0',':','-','RESET'],
['ESC','Q','W','E','R','T','Y','U','I','O','P','FEED','RETURN'],
['CTRL','A','S','D','F','G','H','J','K','L',';','OUT','CLS'],
['SHIFT','Z','X','C','V','B','N','M',',','.','/','SHIFT'],
['&nbsp;']],
[['!','"','#','$','%','&','\'','(',')','0','*','=','RESET'],
['ESC','Q','W','E','R','T','Y','U','I','O','@','LINE','RETURN'],
['CTRL','A','S','D','F','BELL','H','J','K','L','+','RUB','CLS'],
['SHIFT','Z','X','C','V','B','^','M','<','>','?','SHIFT'],
['&nbsp;']]];
var shifted = false;
var controlled = false;
var kb = document.querySelector(id);
return {
shiftKey: function keyboard_shiftKey(down) {
shifted = down;
kb.querySelectorAll('.key-SHIFT').forEach(function(el) {
if (down) {
el.classList.add('active');
} else {
el.classList.remove('active');
}
});
},
controlKey: function keyboard_controlKey(down) {
controlled = down;
kb.querySelectorAll('.key-CTRL').forEach(function(el) {
if (down) {
el.classList.add('active');
} else {
el.classList.remove('active');
}
});
},
create: function keyboard_create() {
var x, y, row, key, key1, key2, label, label1, label2;
function buildLabel(k) {
var span = document.createElement('span');
span.innerHTML = k;
if (k.length > 1 && k.substr(0,1) != '&') {
span.classList.add('small');
}
return span;
}
function _mouseup(event) {
event.currentTarget.classList.remove('pressed');
}
function _mousedown(event) {
event.currentTarget.classList.add('pressed');
var key = event.currentTarget.dataSet[shifted ? 'key2' : 'key1'];
switch (key) {
case 'BELL':
key = 'G';
break;
case 'RETURN':
key = '\r';
break;
case 'LINE':
case 'FEED':
key = '\n';
break;
case 'RUB':
case 'OUT':
key = '_'; // 0x5f
break;
case '&nbsp;':
key = ' ';
break;
case 'ESC':
key = '\0x1b';
break;
default:
break;
}
if (key.length > 1) {
switch (key) {
case 'SHIFT':
shifted = !shifted;
kb.querySelectorAll('.key-SHIFT').forEach(function(el) {
el.classList.toggle('active');
});
break;
case 'CTRL':
controlled = !controlled;
kb.querySelectorAll('.key-CTRL').forEach(function(el) {
el.classList.toggle('active');
});
break;
case 'RESET':
cpu.reset();
break;
case 'CLS':
text.clear();
break;
default:
break;
}
} else {
if (controlled && key >= '@' && key <= '_') {
io.keyDown(key.charCodeAt(0) - 0x40);
} else {
io.keyDown(key.charCodeAt(0));
}
}
}
for (y = 0; y < 5; y++) {
row = document.createElement('div');
row.classList.add('row', 'row' + y);
kb.append(row);
for (x = 0; x < keys[0][y].length; x++) {
key1 = keys[0][y][x];
key2 = keys[1][y][x];
label = document.createElement('div');
label1 = buildLabel(key1);
label2 = buildLabel(key2);
key = document.createElement('div');
key.classList.add('key', 'key-' + key1.replace(/[&;]/g,''));
if (key1.length > 1) {
if (key1 != key2) {
key.classList.add('vcenter2');
} else {
key.classList.add('vcenter');
}
}
if (key1 != key2) {
key.classList.add('key-' + key2.replace(/[&;]/g,''));
label.append(label2);
label.append(document.createElement('br'));
}
label.append(label1);
key.append(label);
key.dataSet = {'key1': key1, 'key2': key2};
if (window.ontouchstart === undefined) {
key.addEventListener('mousedown', _mousedown);
key.addEventListener('mouseup', _mouseup);
key.addEventListener('mouseout', _mouseup);
} else {
key.addEventListener('touchstart', _mousedown);
key.addEventListener('touchend', _mouseup);
key.addEventListener('touchleave', _mouseup);
}
row.append(key);
}
}
}
};
}