System border color

Now I work on custom widget and I want to draw some element on it. Shortly, it looks like button.
But I don't wont to use hardcoded color instead I want to draw it with system colors.
I looked in documentation but did'nt found it.
So how can I get system palette, or rather border color, like border color of QLineEdit?

For obtaining "system" palette use QApplication::palette. Also, take a look at QStyle, because this one is responsible for rendering widgets.

Yes, I know about QApplication::palette and also about QStyle. But i dind'nt found a way to obtain system color for borders

Did you check how a button is rendered in QStyle?
I guess you need QPalette::shadow.
See, QWindowsStyle

Code:

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...
case PE_FrameDefaultButton: {
        QPen oldPen = p->pen();
        p->setPen(opt->palette.shadow().color());
        QRect rect = opt->rect;
        rect.adjust(0, 0, -1, -1);
        p->drawRect(rect);
        p->setPen(oldPen);
        break;
    }
...

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Quote:

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Originally Posted by spirit

Did you check how a button is rendered in QStyle?
I guess you need QPalette::shadow.
See, QWindowsStyle

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Does this differ per QStyle, like https://discuss.kde.org/t/what-colou...julianlockhart alludes to? I ask because

Code:

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PyQt6.QtGui.QPen().setColor(PyQt6.QtGui.QColor(PyQt6.QtWidgets.QApplication.palette().color(PyQt6.QtGui.QPalette.ColorRole.Accent)))

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gives me #000000 with

Code:

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plasma-breeze-qt6-6.3.5-1.fc42

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