qtextedit no line break

To disable line breaks in a QTextEdit widget in C++, you can follow these steps:

1. Create a QTextDocument object and set it as the document of the QTextEdit widget. This will allow you to manipulate the text content of the widget.

2. Set the default text width of the QTextDocument to a very large value. This will prevent line breaks from occurring automatically.

3. Use the setLineWrapMode() function of the QTextEdit widget to disable line wrapping. This will ensure that the text remains on a single line.

Here is an example code snippet that demonstrates these steps:

#include <QApplication>
#include <QTextEdit>
#include <QTextDocument>

int main(int argc, char *argv[])
{
    QApplication app(argc, argv);

    QTextEdit textEdit;
    QTextDocument* textDocument = textEdit.document();

    // Step 1: Set the QTextDocument as the document of the QTextEdit widget
    textEdit.setDocument(textDocument);

    // Step 2: Set a large default text width to prevent line breaks
    textDocument->setDefaultTextOption(QTextOption(Qt::TextWidth));

    // Step 3: Disable line wrapping
    textEdit.setLineWrapMode(QTextEdit::NoWrap);

    textEdit.show();

    return app.exec();
}

By following these steps, you can ensure that the QTextEdit widget does not automatically insert line breaks and keeps the text on a single line.