commit	339d5ef00edcfb849c1281bcf176113199828522	[log] [tgz]
author	BalazsJako <this.is.balazs.jako@gmail.com>	Fri Sep 14 20:54:32 2018 +0100
committer	GitHub <noreply@github.com>	Fri Sep 14 20:54:32 2018 +0100
tree	c418585d9681443f08cd0d4d04317329685b28af
parent	45817cdd65edc6e78481978dcd0ee4a434134ad4 [diff]
parent	11877e9a7574f32ca68dfb4f8e11425c32b7db91 [diff]

tree: c418585d9681443f08cd0d4d04317329685b28af

README.md

ImGuiColorTextEdit

Syntax highlighting text editor for ImGui

Screenshot

Demo project: https://github.com/BalazsJako/ColorTextEditorDemo

This started as my attempt to write a relatively simple widget which provides source code editing functionality with basic syntax highlighting. Now there are other contributors who provide valuable additions.

While it relies on Omar Cornut's https://github.com/ocornut/imgui, it does not follow the “pure” one widget - one function approach. Since the editor has to maintain a relatively complex and large internal state, it did not seem to be practical to try and enforce fully immediate mode.

The code is (still) work in progress, please report if you find any issues.

Main features

approximates typical code editor look and feel (essential mouse/keyboard commands work - I mean, the commands I normally use :))
undo/redo support
extensible, multiple language syntax support
identifier declarations: a small piece of text associated with an identifier. The editor displays it in a tooltip when the mouse cursor is hovered over the identifier
error markers: the user can specify a list of error messages together the line of occurence, the editor will highligh the lines with red backround and display error message in a tooltip when the mouse cursor is hovered over the line
supports large files: there is no explicit limit set on file size or number of lines, performance is not affected when large files are loaded (except syntax coloring, see below)
color palette support: you can switch between different color palettes, or even define your own
supports both fixed and variable-width fonts

Known issues

syntax highligthing of most languages - except C/C++ - is based on std::regex, which is diasppointingly slow. Because of that, the highlighting process is amortized between multiple frames. C/C++ has a hand-written tokenizer which is much faster.
8 bit character only, no Unicode or Utf support
there's no find/replace support

Don't forget to post your screenshots if you use this little piece of software in order to keep me us motivated. :)

Contribute

If you want to contribute, please refer to CONTRIBUTE file.

Thank you. :)