fix undo I think

This commit is contained in:
dylan 2023-05-08 22:13:01 -07:00
parent 8c750ac2dc
commit a7ed7b87f2

View File

@ -12,6 +12,152 @@ const historyDebounceFrames = 20;
const fontHeight = font.height;
const keywords = [
"break",
"case",
"catch",
"class",
"const",
"continue",
"debugger",
"default",
"delete",
"do",
"else",
"export",
"extends",
"finally",
"for",
"function",
"if",
"import",
"in",
"instanceof",
"new",
"return",
"super",
"switch",
"this",
"throw",
"try",
"typeof",
"var",
"void",
"while",
"with",
"let",
"static",
"yield",
"await",
"enum",
"implements",
"interface",
"package",
"private",
"protected",
"public",
"=>",
];
const values = [
"false",
"null",
"true",
"undefined",
];
const operator = [
"&&",
"||",
"??",
"--",
"++",
".",
"?.",
"<",
"<=",
">",
">=",
"!=",
"!==",
"==",
"===",
"+",
"-",
"%",
"&",
"|",
"^",
"/",
"*",
"**",
"<<",
">>",
">>>",
"=",
"+=",
"-=",
"%=",
"&=",
"|=",
"^=",
"/=",
"*=",
"**=",
"<<=",
">>=",
">>>=",
"!",
"?",
"~",
"...",
];
const punctuation = [
"(",
")",
"[",
"]",
"{",
"}",
".",
":",
";",
",",
];
const builtinColor = COLOR.BLUE;
const keywordColor = COLOR.PURPLE;
const operatorColor = COLOR.CYAN;
const valueColor = COLOR.ORANGE;
const stringColor = COLOR.GREEN;
const regexColor = COLOR.PINK;
const punctuationColor = COLOR.LIGHTGRAY;
const commentColor = COLOR.DARKGREEN;
const identifierColor = COLOR.YELLOW;
const invalidColor = COLOR.RED;
const caretColor = COLOR.WHITE;
const selectionColor = COLOR.DARKBLUE;
const backgroundColor = COLOR.DARKERBLUE;
const tokenColors = {
"StringLiteral": stringColor,
"NoSubstitutionTemplate": stringColor,
"TemplateHead": stringColor,
"TemplateMiddle": stringColor,
"TemplateTail": stringColor,
"RegularExpressionLiteral": regexColor,
"MultiLineComment": commentColor,
"SingleLineComment": commentColor,
"IdentifierName": identifierColor,
"PrivateIdentifier": identifierColor,
"NumericLiteral": valueColor,
"Punctuator": punctuationColor,
"WhiteSpace": punctuationColor,
"LineTerminatorSequence": punctuationColor,
"Invalid": invalidColor,
}
const transformForCopy = (text: string) => {
text = text.replaceAll("➡", "➡️");
text = text.replaceAll("⬅", "⬅️");
@ -31,7 +177,7 @@ const transformForPaste = (text: string) => {
}
const state = {
history: [{code: getCodeSheet(page.activeSheet), anchor: 0, focus: 0}],
history: [] as Array<{code: string, anchor: number, focus: number}>,
historyDebounce: 0,
historyIndex: 0,
undo() {
@ -68,7 +214,9 @@ const state = {
},
startSnapping() {
console.log('start snapping', this.historyIndex);
if (this.historyDebounce <= 0) {
this.historyIndex += 1;
}
if (this.history.length > this.historyIndex) {
this.history.length = this.historyIndex;
}
@ -291,204 +439,11 @@ const pixelToIndex = (str: string, x: number, y: number) => {
return prefix + j;
}
const keywords = [
"break",
"case",
"catch",
"class",
"const",
"continue",
"debugger",
"default",
"delete",
"do",
"else",
"export",
"extends",
"finally",
"for",
"function",
"if",
"import",
"in",
"instanceof",
"new",
"return",
"super",
"switch",
"this",
"throw",
"try",
"typeof",
"var",
"void",
"while",
"with",
"let",
"static",
"yield",
"await",
"enum",
"implements",
"interface",
"package",
"private",
"protected",
"public",
"=>",
];
const values = [
"false",
"null",
"true",
"undefined",
];
const operator = [
"&&",
"||",
"??",
"--",
"++",
".",
"?.",
"<",
"<=",
">",
">=",
"!=",
"!==",
"==",
"===",
"+",
"-",
"%",
"&",
"|",
"^",
"/",
"*",
"**",
"<<",
">>",
">>>",
"=",
"+=",
"-=",
"%=",
"&=",
"|=",
"^=",
"/=",
"*=",
"**=",
"<<=",
">>=",
">>>=",
"!",
"?",
"~",
"...",
];
const punctuation = [
"(",
")",
"[",
"]",
"{",
"}",
".",
":",
";",
",",
];
const builtinColor = COLOR.BLUE;
const keywordColor = COLOR.PURPLE;
const operatorColor = COLOR.CYAN;
const valueColor = COLOR.ORANGE;
const stringColor = COLOR.GREEN;
const regexColor = stringColor;
const punctuationColor = COLOR.LIGHTGRAY;
const commentColor = COLOR.DARKGREEN;
const identifierColor = COLOR.RED;
const invalidColor = COLOR.DARKRED;
const tokenColors = {
"StringLiteral": stringColor,
"NoSubstitutionTemplate": stringColor,
"TemplateHead": stringColor,
"TemplateMiddle": stringColor,
"TemplateTail": stringColor,
"RegularExpressionLiteral": regexColor,
"MultiLineComment": commentColor,
"SingleLineComment": commentColor,
"IdentifierName": identifierColor,
"PrivateIdentifier": identifierColor,
"NumericLiteral": valueColor,
"Punctuator": punctuationColor,
"WhiteSpace": punctuationColor,
"LineTerminatorSequence": punctuationColor,
"Invalid": invalidColor,
}
const drawCodeField = (code: string, x: number, y: number, w: number, h: number) => {
const {
scrollX,
scrollY,
anchor,
focus,
} = state;
fillRect(x, y, w, h, COLOR.DARKERBLUE);
if (anchor !== focus) {
for (let i = Math.min(anchor, focus); i < Math.max(anchor, focus); i++) {
const sel = indexToRect(code, i);
fillRect(x+sel.x-scrollX, y+sel.y-scrollY, sel.w+2, sel.h, COLOR.WHITE);
}
}
const rect = indexToRect(code, focus);
fillRect(x+rect.x-scrollX, y+rect.y-scrollY, 1, rect.h, COLOR.YELLOW);
const builtins = Object.keys(getBuiltins());
const tokens = [...tokenize(code)];
let cx = 0;
let cy = 0;
tokens.forEach((token) => {
if (token.type === "LineTerminatorSequence") {
cx=0;
cy+=fontHeight+1;
return;
}
const lines = token.value.split("\n");
lines.forEach((line, i) => {
let color = tokenColors[token.type];
if (keywords.includes(token.value)) {
color = keywordColor;
}
if (values.includes(token.value)) {
color = valueColor;
}
if (operator.includes(token.value)) {
color = operatorColor;
}
if (punctuation.includes(token.value)) {
color = punctuationColor;
}
if (builtins.includes(token.value)) {
color = builtinColor;
}
drawText(1+x+cx-scrollX, 1+y+cy-scrollY, line, color);
if (i === lines.length-1) {
cx += measureText(line)+1;
} else {
cx=0;
cy+=fontHeight+1;
}
});
})
}
const update = async () => {
const { focus } = state;
if (state.history.length === 0) {
state.snapshot();
}
if (state.historyDebounce > 0) {
state.historyDebounce -= 1;
if (state.historyDebounce <= 0) {
@ -591,7 +546,64 @@ const update = async () => {
const draw = () => {
clearScreen();
drawCodeField(state.code, 0, 8, 128, 112);
const {
scrollX,
scrollY,
anchor,
focus,
code,
} = state;
const x = 0;
const y = 8;
const w = 128;
const h = 112;
fillRect(x, y, w, h, backgroundColor);
if (anchor !== focus) {
for (let i = Math.min(anchor, focus); i < Math.max(anchor, focus); i++) {
const sel = indexToRect(code, i);
fillRect(x+sel.x-scrollX, y+sel.y-scrollY, sel.w+2, sel.h, selectionColor);
}
}
const rect = indexToRect(code, focus);
fillRect(x+rect.x-scrollX, y+rect.y-scrollY, 1, rect.h, caretColor);
const builtins = Object.keys(getBuiltins());
const tokens = [...tokenize(code)];
let cx = 0;
let cy = 0;
tokens.forEach((token) => {
if (token.type === "LineTerminatorSequence") {
cx=0;
cy+=fontHeight+1;
return;
}
const lines = token.value.split("\n");
lines.forEach((line, i) => {
let color = tokenColors[token.type];
if (keywords.includes(token.value)) {
color = keywordColor;
}
if (values.includes(token.value)) {
color = valueColor;
}
if (operator.includes(token.value)) {
color = operatorColor;
}
if (punctuation.includes(token.value)) {
color = punctuationColor;
}
if (builtins.includes(token.value)) {
color = builtinColor;
}
drawText(1+x+cx-scrollX, 1+y+cy-scrollY, line, color);
if (i === lines.length-1) {
cx += measureText(line)+1;
} else {
cx=0;
cy+=fontHeight+1;
}
});
})
}
export const codetab = {