https://github.com/welterdevelopment/codeeditorcontol-winui

Win2D-based code editor control for WinUI 3
https://github.com/welterdevelopment/codeeditorcontol-winui

editor projectreunion syntax-highlighting win2d windowsappsdk winui3

Last synced: 4 months ago
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Win2D-based code editor control for WinUI 3

• Host: GitHub
• URL: https://github.com/welterdevelopment/codeeditorcontol-winui
• Owner: WelterDevelopment
• License: mit
• Created: 2021-08-24T19:42:13.000Z (over 3 years ago)
• Default Branch: master
• Last Pushed: 2023-11-07T18:06:49.000Z (about 1 year ago)
• Last Synced: 2024-10-12T20:23:52.304Z (4 months ago)
• Topics: editor, projectreunion, syntax-highlighting, win2d, windowsappsdk, winui3
• Language: C#
• Homepage:
• Size: 566 KB
• Stars: 40
• Watchers: 3
• Forks: 2
• Open Issues: 8
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        

# CodeEditorControl-WinUI

Win2D-based code editor control for WinUI 3.

At this stage, this is only a proof of concept. 

I tried to port https://github.com/PavelTorgashov/FastColoredTextBox line by line which was a huge pain so I had to stop. The codebase is just too huge and hard to read.

I took some inspiration and created my own Win2d-based control. Feel free to contibute! Would be nice to have a fast full-featured text editor for WinAppSDK / MAUI!

## Screenshot of the TestApp

Stuff that works:

- Text selection & beam placement (inputs: PointerPress & Up/Down/Left/Right keys)

- Basic text editing (char insertion, back key, delete key, enter key)

- Basic copy & paste logic

- Scrolling (vertical & horizontal)

- Text, FontSize, Theme and TabLength are two-way bindable DependencyProperties

- Proof-of-Concept syntax highlighting for ConTeXt as a static Language Definition within the Control

- Syntax highligting example for a Lua file in the TestApp

- Actions (right-click menu & KeyboardAccelerators)

- Middle-click scrolling

- Search and highlight

- Drag and drop

- Error/Warning/Message/SearchMatch markers on the line and on the vertical ScrollBar

- Recource-intensive work does not block the UI thread: Setting the Text, Pasting large chunks of Lines, Changing the Code Language

![Screenshot 2021-09-02 164150](https://user-images.githubusercontent.com/13318246/131864308-d7810b6e-9831-4848-9a5e-fa75a291d6f1.jpg)

![Screenshot 2021-09-02 163928](https://user-images.githubusercontent.com/13318246/131863972-107058f3-e835-4c2c-a66f-fb26e9c16e41.jpg)

## ToDo

- Line wrapping

- Text folding

- Text-wide instead of line-wise regexing (respectively lexer states for multiline-comment handling)

- Incremental regexing when Text source changes (Regex and draw the VisibleLines immediately, then regex the rest in blocks)

- IntelliSense for commands and arguments

- Find and highlight matching bracket/parenthesis/braces pairs, auto-close pairs

- Generalize the syntax highlighting and IntelliSense for more (user-definable) languages

- Minimap

- Breakpoints and breakpoint line highlighting

- Word/Keyword/Variable highlighting

- Multi-cursor selection and editing