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edit.js: can read existing files; change on tty key read that arrow keys are now distinguished from ctrl-S or something

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This commit is contained in:
minjaesong
2021-04-14 11:35:39 +09:00
parent 390176591d
commit adaeadd6ca
8 changed files with 97 additions and 32 deletions
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30
assets/disk0/tvdos/bin/edit.js
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@@ -7,15 +7,24 @@ else {
println("File to edit?");
filename = read();
}
let driveLetter = _G.shell.getCurrentDrive();
let filePath = _G.shell.getPwdString() + filename;
let scroll = 0;
//let textbuffer = ["The quick brown fox","jumps over a lazy dog 12345678901234567890", "Pack my box with", "five dozen liquor jugs", "The quick brown fox","jumps over a lazy dog 12345678901234567890", "Pack my box with", "five dozen liquor jugs"];
let textbuffer = [""];
let cursorRow = 0;
let cursorCol = 0;
let exit = false;
let scene = -1; // -1: main, 0: filemenu, 1: editmenu , ...
// load existing file if it's there
let editingExistingFile = filesystem.open(driveLetter, filePath, "R");
if (editingExistingFile) {
textbuffer = filesystem.readAll(driveLetter).split("\n");
serial.println(textbuffer);
}
let windowWidth = con.getmaxyx()[1];
let windowHeight = con.getmaxyx()[0];
let paintWidth = windowWidth - 4;
@@ -189,8 +198,7 @@ function gotoText() {
// FUNCTIONING FUNCTIONS (LOL) //
function writeout() {
var driveLetter = _G.shell.getCurrentDrive();
filesystem.open(driveLetter, filename, "W");
filesystem.open(driveLetter, filePath, "W");
filesystem.write(driveLetter, textbuffer.join('\n'));
}
@@ -236,15 +244,19 @@ function appendLine() {
gotoText();
}
reset_status();
///////////////////////////////////////////////////////////////////////////////////////////////////
drawMain();
drawTextbuffer();
let bulletinShown = false;
// TODO for existing file, show [ Read $n Lines ]
// TODO for new file, show [ New File ]
displayBulletin(`Wrote ${textbuffer.length} Lines`);
// show "welcome" message
if (!editingExistingFile)
displayBulletin(`New File`);
else
displayBulletin(`Read ${textbuffer.length} Lines`);
while (!exit) {
let key = con.getch();
@@ -257,9 +269,9 @@ while (!exit) {
writeout();
displayBulletin(`Wrote ${textbuffer.length} lines`);
}
else if (key == 8) { // Bksp
else if (key == con.KEY_BACKSPACE) { // Bksp
}
else if (key == 13) { // Return / ^M
else if (key == con.KEY_RETURN) { // Return
appendLine();
}
else if (key >= 32) { // printables (excludes \n)