The Syntax Highlighter application displays C++ files with custom syntax highlighting. The example consists of two classes: The Highlighter class defines and applies the highlighting rules.

A syntax highligher automatically highlights parts of the text in a QTextDocument. Syntax highlighters are often used when the user is entering text in a specific format (for example source code) and help the user to read the text and identify syntax errors.

Aug 28, 2011 · I would like to write a simple plain text editor including simple markdown instructions in QML. Therefore I added a TextEdit-Element and a JavaScript Function for Syntax Highlighting. As an example: I want to print the string between two asterisks '*' in bold.

Lightweight syntax highlighter written in Qt. Contribute to Waqar144/QSourceHighlite development by creating an account on GitHub.

Jun 22, 2023 · I need to implement syntax highlighting using Qt and JS. I did it on my own, it works, but when a large amount of information comes into the lexer (10k lines of text), the lexer works slower (about 10 seconds on my machine) and the application crashes after I try to enter something new in the input field.

Sep 8, 2022 · A QSyntaxHighlighter works on a text document to highlight according to syntax rules. You must supply it with a QTextDocument: To provide your own syntax highlighting, you must subclass QSyntaxHighlighter and reimplement highlightBlock().

Jan 28, 2014 · I am looking for a javascript syntax highlighter, I have a textEdit that contain the javascript syntax/function/formula I want to use a highlighter for the code. Is it possible to use Qt creator syntax highlighter for a textEdit ?

Qt5.6 C++ JavaScript editor widget w/ syntax highlighting, auto-formatting, code folding, paren and brace matching, plus other typical IDE code editor features. To see how this is used, see RegExIDE repository, which also includes a duktape-based execution environment.

highlighter = new QSourceHighliter(plainTextEdit-> document ()); highlighter-> setCurrentLanguage (QSourceHighlighter::CodeCpp);

Apr 9, 2013 · Qt Creator does something like it (if you copy come of it's syntaxhighlighted text and paste it in another rich text area, it gets the highlighting). Here is the source that has the highlighter in it: qt.gitorious.org/qt-creator/qt-creator/trees/master/src/plugins/…