IscanderChe
IscanderCheJune 5, 2020, 2:09 p.m.

QPlainTextEdit настройка цвета фона

Qt, QPlainTextEdit

Вечер добрый.

Пытаюсь настроить цвет фона QPlainTextEdit следующим образом:

CodeEditor::CodeEditor(QWidget *parent) : QPlainTextEdit(parent)
{
    ...
    QPalette::ColorRole role = backgroundRole();
    QPalette palette = this->palette();
    palette.setBrush(role, QBrush(QColor(Qt::black)));
    setPalette(palette);
}

Не получается. В чём ошибка?

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2
Evgenii Legotckoi
  • June 7, 2020, 1:19 p.m.

Не уверен, но возможно не совсем та роль. Может быть даже, что нужно использовать роль Window .
Нужно экспериментировать с ролями для палитры. В зависимости от платформы они ведут себя немного по-разному.

    IscanderChe
    • June 8, 2020, 2:51 a.m.

    Получилось так:

    QPalette palette = textEdit->palette();
    palette.setColor(QPalette::Active, QPalette::Base, Qt::black);
    palette.setColor(QPalette::Inactive, QPalette::Base, Qt::black);
    
    textEdit->setPalette(palette);
    

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