Qplaintextedit example c, Differences to QTextEdit QPlainTextEdit is a thin class, implemented by using most of the technology that is behind QTextEdit and QTextDocument. Sep 9, 2025 · Connect to Signals QPlainTextEdit emits several useful signals that you can connect to. This is perfect for enabling a "Save" button or updating a status bar. Mar 27, 2015 · How can I programmatically edit the contents of a QPlainTextEdit? For example, I might want to implement a "Find and Replace", or remove a particular line of text, or insert some text. Detailed Description Introduction and Concepts QTextEdit is an advanced WYSIWYG viewer/editor supporting rich text formatting using HTML-style tags, or Markdown format. By If you want to limit the total number of paragraphs in a QPlainTextEdit, as it is for example useful in a log viewer, then you can use the maximumBlockCount property. The combination of setMaximumBlockCount () and appendPlainText () turns QPlainTextEdit into an efficient viewer for log text. QTextEdit works on paragraphs and characters. Differences to QTextEdit: QPlainTextEdit is a thin class, implemented by using most of the technology that is behind QTextEdit and QTextDocument. Setting this property also disables the undo redo history.


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