by pbek

A C++ Qt QPlainTextEdit widget with markdown highlighting support and a lot of other extras

149 Stars 43 Forks Last release: over 1 year ago (2019.4.0) MIT License 599 Commits 1 Releases

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QMarkdownTextEdit is a C++ Qt QPlainTextEdit widget with markdown highlighting and some other goodies.

Widget Features

  • Markdown highlighting
  • Code syntax highlighting
  • Clickable links with
    Ctrl + Click
  • Block indent with
    Shift + Tab
  • Duplicate text with
    Ctrl + Alt + Down
  • Searching of text with
    Ctrl + F
    • Jump between search results with
    • Close search field with
  • Replacing of text with
    Ctrl + R
    • You can also replace text with regular expressions or whole words
  • Very fast
  • And much more...

Supported Markdown Features

Commonmark compliance is enforced where possible however we are not fully Commonmark compliant yet. Following is a list of features/extensions supported by the highlighter. Please note that this is just a plaintext editor and as such, it only does the highlighting and not rendering of the markdown to HTML.

| Feature | Availablity | | --------------------------------------------------------------------------------------- | ---------------------------------------------------- | | Bolds and Italics | Yes | | Lists (Unordered/Orderered) | Yes | | Links and Images
(Inline/Reference/Autolinks/E-mail) | Yes (Cannot handle nested links or complex cases yet) | | Heading (ATX and Setext) | Yes | | Codeblocks (indented and fenced)
Both backtick and tilde code fences are supported | Yes (Only fenced code block has syntax highlighting) | | Inline code | Yes | | Strikethrough | Yes | | Underline | Yes (Optional) | | Blockquotes | Yes | | Table | Yes |




There are multiple ways to use this. You can use the editor directly, or you can subclass it or you can just use the highlighter.

Using the editor

  • Include qmarkdowntextedit.pri to your project like this
    include (qmarkdowntextedit/qmarkdowntextedit.pri)
  • add a normal
    to your UI and promote it to
    (base class

Using the highlighter only

Highlighter can work with both

. Example:
auto doc = ui->plainTextEdit->document();
auto *highlighter = new MarkdownHighlighter(doc);

Projects using QMarkdownTextEdit


This SOFTWARE PRODUCT is provided by THE PROVIDER "as is" and "with all faults." THE PROVIDER makes no representations or warranties of any kind concerning the safety, suitability, lack of viruses, inaccuracies, typographical errors, or other harmful components of this SOFTWARE PRODUCT.

There are inherent dangers in the use of any software, and you are solely responsible for determining whether this SOFTWARE PRODUCT is compatible with your equipment and other software installed on your equipment. You are also solely responsible for the protection of your equipment and backup of your data, and THE PROVIDER will not be liable for any damages you may suffer in connection with using, modifying, or distributing this SOFTWARE PRODUCT.

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