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mirror of https://github.com/sehugg/8bitworkshop.git synced 2024-06-25 00:32:27 +00:00
8bitworkshop/gen/common/teletype.js

314 lines
9.7 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.TeleTypeWithKeyboard = exports.TeleType = void 0;
class TeleType {
constructor(page, fixed) {
this.ncols = 80;
this.page = page;
this.fixed = fixed;
this.clear();
}
clear() {
this.curline = null;
this.curstyle = 0;
this.reverse = false;
this.col = 0;
this.row = -1;
this.lines = [];
this.ncharsout = 0;
$(this.page).empty();
this.showPrintHead(true);
}
ensureline() {
if (this.curline == null) {
this.curline = this.lines[++this.row];
if (this.curline == null) {
this.curline = $('<div class="transcript-line"/>')[0];
this.page.appendChild(this.curline);
this.lines[this.row] = this.curline;
this.scrollToBottom();
}
}
}
flushline() {
this.curline = null;
this.col = 0;
this.movePrintHead(false);
}
addtext(line, style) {
this.ensureline();
if (line.length) {
// in fixed mode, only do characters
if (this.fixed && line.length > 1) {
for (var i = 0; i < line.length; i++)
this.addtext(line[i], style);
return;
}
// process control codes
if (line.length == 1) {
var ch = line.charCodeAt(0);
switch (ch) {
case 7:
if (this.bell)
this.bell.play();
break;
case 8:
if (this.col > 0)
this.col--;
break;
case 12:
this.formfeed();
break;
case 13:
this.col = 0;
break;
}
if (ch < 32)
return; // ignore non-printables
}
var span = $("<span/>").text(line);
for (var i = 0; i < 8; i++) {
if (style & (1 << i))
span.addClass("transcript-style-" + (1 << i));
}
if (this.reverse)
span.addClass("transcript-reverse");
//span.data('vmip', this.vm.pc);
// in fixed mode, we can overwrite individual characters
if (this.fixed && line.length == 1 && this.col < this.curline.childNodes.length) {
this.curline.replaceChild(span[0], this.curline.childNodes[this.col]);
}
else {
span.appendTo(this.curline);
}
this.col += line.length;
// wrap @ 80 columns (TODO: const)
if (this.fixed && this.col >= this.ncols)
this.flushline();
this.ncharsout += line.length;
this.movePrintHead(true);
}
}
newline() {
this.flushline();
this.ensureline();
}
print(val) {
// split by newlines
var lines = val.split("\n");
for (var i = 0; i < lines.length; i++) {
if (i > 0)
this.newline();
this.addtext(lines[i], this.curstyle);
}
}
move_cursor(col, row) {
if (!this.fixed)
return; // fixed windows only
// ensure enough row elements
while (this.lines.length <= row) {
this.flushline();
this.ensureline();
}
// select row element
this.curline = this.lines[row];
this.row = row;
// get children in row (individual text cells)
var children = $(this.curline).children();
// add whitespace to line?
if (children.length > col) {
this.col = col;
}
else {
while (this.col < col)
this.addtext(' ', this.curstyle);
}
}
setrows(size) {
if (!this.fixed)
return; // fixed windows only
// truncate rows?
var allrows = $(this.page).children();
if (allrows.length > size) {
this.flushline();
allrows.slice(size).remove();
this.lines = this.lines.slice(0, size);
//this.move_cursor(0,0);
}
}
formfeed() {
for (var i = 0; i < 60; i++) {
this.newline();
this.ensureline();
}
}
scrollToBottom() {
this.curline.scrollIntoView();
}
movePrintHead(printing) {
/*
var ph = $("#printhead"); // TODO: speed?
var x = $(this.page).position().left + this.col * ($(this.page).width() / 80) - 200;
ph.stop().animate({left: x}, {duration:20});
//ph.offset({left: x});
if (printing) ph.addClass("printing");
else ph.removeClass("printing");
*/
}
showPrintHead(show) {
/*
var ph = $("#printhead"); // TODO: speed?
if (show) ph.show(); else ph.hide();
*/
}
resize(columns) {
// set font size proportional to window width
var charwidth = $(this.page).width() * 1.6 / columns;
$(this.page).css('font-size', charwidth + 'px');
this.scrollToBottom();
}
saveState() {
return {
curstyle: this.curstyle,
reverse: this.reverse,
col: this.col,
row: this.row,
ncharsout: this.ncharsout,
lines: this.lines.map((line) => line.cloneNode(true)),
};
}
loadState(state) {
this.curstyle = state.curstyle;
this.reverse = state.reverse;
this.col = state.col;
this.row = state.row;
this.ncharsout = state.ncharsout;
$(this.page).empty();
for (var i = 0; i < state.lines.length; i++) {
this.page.appendChild(state.lines[i]);
}
this.lines = state.lines;
this.curline = state.lines[this.row];
}
}
exports.TeleType = TeleType;
class TeleTypeWithKeyboard extends TeleType {
constructor(page, fixed, input) {
super(page, fixed);
this.msecPerLine = 100; // IBM 1403
this.keepinput = true;
this.keephandler = true;
this.uppercaseOnly = false;
this.splitInput = false;
this.focused = true;
this.scrolling = 0;
this.input = input;
this.input.onkeypress = (e) => {
this.sendkey(e);
};
this.input.onfocus = (e) => {
this.focused = true;
console.log('inputline gained focus');
};
$("#workspace").on('click', (e) => {
this.focused = false;
console.log('inputline lost focus');
});
this.page.onclick = (e) => {
this.input.focus();
};
}
clear() {
super.clear();
this.hideinput();
this.waitingfor = null;
}
focusinput() {
this.ensureline();
this.showPrintHead(false);
// don't steal focus while editing
if (this.keepinput)
$(this.input).css('visibility', 'visible');
else
$(this.input).appendTo(this.curline).show()[0];
// scroll to bottom
this.scrollToBottom();
// refocus?
if (this.focused) {
$(this.input).focus();
}
// change size
if (this.waitingfor == 'char')
$(this.input).addClass('transcript-input-char');
else
$(this.input).removeClass('transcript-input-char');
this.lastInputRequestTime = Date.now();
}
hideinput() {
this.showPrintHead(true);
if (this.keepinput)
$(this.input).css('visibility', 'hidden');
else
$(this.input).appendTo($(this.page).parent()).hide();
}
clearinput() {
this.input.value = '';
this.waitingfor = null;
}
cancelinput() {
this.sendinput('');
}
sendkey(e) {
if (this.waitingfor == 'line') {
if (e.key == "Enter") {
this.sendinput(this.input.value.toString());
}
}
else if (this.waitingfor == 'char') {
this.sendchar(e.keyCode);
e.preventDefault();
}
}
sendinput(s) {
if (this.resolveInput) {
var elapsed = Date.now() - this.lastInputRequestTime;
if (this.uppercaseOnly)
s = s.toUpperCase(); // TODO: always uppercase?
this.addtext(s, 4);
this.flushline();
this.clearinput();
this.hideinput(); // keep from losing input handlers
var vals = this.splitInput ? s.split(',') : null;
this.resolveInput({ line: s, vals: vals, elapsed: elapsed / 1000 });
if (!this.keephandler)
this.resolveInput = null;
}
}
sendchar(code) {
this.sendinput(String.fromCharCode(code));
}
ensureline() {
if (!this.keepinput)
$(this.input).hide();
super.ensureline();
}
scrollToBottom() {
if (this.scrolldiv) {
this.scrolling++;
var top = $(this.page).height() + $(this.input).height();
$(this.scrolldiv).stop().animate({ scrollTop: top }, this.msecPerLine, 'swing', () => {
this.scrolling = 0;
this.ncharsout = 0;
});
}
else {
this.input.scrollIntoView();
}
}
isBusy() {
// stop execution when scrolling and printing non-newlines
return this.scrolling > 0 && this.ncharsout > 0;
}
}
exports.TeleTypeWithKeyboard = TeleTypeWithKeyboard;
//# sourceMappingURL=teletype.js.map