如何在从QHeaderView类派生的文本中绘制文本 [英] How to draw text in derived from QHeaderView class

问题描述

我需要从QHeaderView类派生文字.但是此代码不起作用.

I need to draw text in derived from QHeaderView class. But this code does not work.

void HeaderView::paintSection(QPainter *painter, const QRect &, int) const
{
    painter->drawText(0, 0, "abcde");
}

推荐答案

文档说:

使用 给画家和直肠.

Paints the section specified by the given logicalIndex, using the given painter and rect.

这意味着，您必须使用rect Getting作为参数:

That means, you have to use the rect getting as parameter:

void HeaderView::paintSection(QPainter *painter, const QRect& rect, int) const
{
    painter->drawText(rect, Qt::AlignCenter, "abcde");
}

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