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extrapolate cursorPosition to account for the fact the emojis are not length 1

This commit is contained in:
hydr063n 2020-09-04 00:37:57 +02:00 committed by Iuri Matias
parent deacefb03f
commit 542020d6a6
1 changed files with 73 additions and 15 deletions
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86
ui/app/AppLayouts/Chat/ChatColumn/ChatInput.qml
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@ -66,34 +66,93 @@ Rectangle {
emojiEvent = emojiHandler(emojiEvent, {key: null});
}
function countEmojis(value) {
let match = value.match(/<img class=\"emoji\" draggable=\"false\" alt=\"(.+?)\" src=\"qrc:\/imports\/twemoji\/.+?"\/>/g, "$1");
var length = 0;
if (match && match.length > 0) {
for (var i = 0; i < match.length; i++) {
var deparse = Emoji.deparse(match[i]);
length += deparse.length;
}
console.log("cursorPosition: ", length - match.length, "[", length,"]", "[",match.length,"]");
length = length - match.length;
}
return length;
}
function extraPolatePosition(text, cursorPosition) {
var bracketEvent = false;
var length = 0;
for (var i =0; i < text.length;) {
if (length >= cursorPosition)
break;
if (!bracketEvent && text.charAt(i) !== '<') {
i++;
length++;
} else if (!bracketEvent && text.charAt(i) === '<') {
bracketEvent = true;
i++;
} else if (bracketEvent && text.charAt(i) !== '>') {
i++;
} else if (bracketEvent && text.charAt(i) === '>') {
bracketEvent = false;
i++;
length++;
}
}
var substr = text.substr(0, i);
substr = substr.replace(/<img class=\"emoji\" draggable=\"false\" alt=\"(.+?)\" src=\"qrc:\/imports\/twemoji\/.+?"\/>/g, "$1");
return substr;
}
function deparseFromParse(substr) {
return substr.replace(/<img class=\"emoji\" draggable=\"false\" alt=\"(.+?)\" src=\"qrc:\/imports\/twemoji\/.+?"\/>/g, "$1");
}
function emojiHandler(emojiEvent, event) {
var msg = chatsModel.plainText(Emoji.deparse(txtData.text).trim());
var deparse = Emoji.deparse(txtData.text);
var plain = chatsModel.plainText(deparse)
var TheText = Emoji.parse(plain, '26x26');
var text = extraPolatePosition(TheText, txtData.cursorPosition);
var cursorPosition = countEmojis(text) + txtData.cursorPosition;
var msg = chatsModel.plainText(deparseFromParse(text));
console.log("MESSAGE: [", msg, "]", "[", msg.length, "]", txtData.cursorPosition);
// check if user has placed cursor near valid emoji colon token
var index = msg.lastIndexOf(':', txtData.cursorPosition);
if (index > 0) {
var substr = msg.substr(index, txtData.cursorPosition - index);
console.log("MESSAGE: ", msg, txtData.cursorPosition, index, substr, validSubstr(substr));
emojiEvent = validSubstr(substr)
var index = msg.lastIndexOf(':', cursorPosition);
if (index >= 0) {
var substr = msg.substr(index, cursorPosition - index);
console.log("MESSAGE: [", msg, "]", "[", msg.length, "]", txtData.cursorPosition, index, substr, validSubstr(substr));
emojiEvent = validSubstr(substr);
}
console.log("EVENT: ", event.key, Qt.Key_Colon, event.key === Qt.Key_Colon, emojiEvent);
// state machine to handle different forms of the emoji event state
if (emojiEvent === false && event.key === Qt.Key_Colon) {
if (msg.length <= 1 || isSpace(msg.charAt(txtData.cursorPosition - 1)) === true) {
if (msg.length <= 1 || isSpace(msg.charAt(cursorPosition - 1)) === true) {
return true;
}
return false;
} else if (emojiEvent === true && event.key === Qt.Key_Colon) {
var index = msg.lastIndexOf(':', txtData.cursorPosition - 2);
if (index >= 0) {
var shortname = msg.substr(index, txtData.cursorPosition);
var index = msg.lastIndexOf(':', cursorPosition - 1);
console.log("BEGIN SENTENCE: ", index, cursorPosition, txtData.cursorPosition);
if (index >= 0 && cursorPosition > 0) {
var shortname = msg.substr(index, cursorPosition);
var codePoint = getEmojiUnicodeFromShortname(shortname);
var newText = (codePoint !== undefined) ? Emoji.fromCodePoint(codePoint) : shortname;
txtData.remove(index, txtData.cursorPosition);
txtData.insert(index, newText);
var newMsg = msg.replace(shortname, newText)
console.log("INDEX AND CURSOR: ", index, cursorPosition, "[",shortname,"]", "[",msg,"]", "[",newMsg,"]");
txtData.remove(0, cursorPosition);
txtData.insert(0, Emoji.parse(newMsg, '26x26'));
if (event) event.accepted = true;
return false;
@ -115,6 +174,7 @@ Rectangle {
function validSubstr(substr) {
for(var i = 0; i < substr.length; i++) {
var c = substr.charAt(i);
console.log("isSpace: ", isSpace(c), "isPunct: ", isPunct(c))
if (isSpace(c) === true || isPunct(c) === true)
return false;
}
@ -126,9 +186,7 @@ Rectangle {
(key >= Qt.Key_Exclam && key <= Qt.Key_Slash) ||
(key >= Qt.Key_Semicolon && key <= Qt.Key_Question) ||
(key >= Qt.Key_BracketLeft && key <= Qt.Key_hyphen))
{
return false;
}
return true;
}