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fix: modify the color of the area not covered by the slider

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paint two roundedRect one is slider background, another is slider has covered

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This commit is contained in:
tsic404 2023-04-06 15:16:39 +08:00 committed by Tsic
parent b853cfa40e
commit 1bb0c628f3
1 changed files with 12 additions and 4 deletions
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16
widgets/slidercontainer.cpp
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@ -263,17 +263,25 @@ void SliderProxyStyle::drawRoundSlider(QPainter *painter, QRect rectGroove, QRec
{
// 深色背景下，滑块和滑动条白色，浅色背景下，滑块和滑动条黑色
QColor color = wigdet->isEnabled() ? (DGuiApplicationHelper::DarkType == DGuiApplicationHelper::instance()->themeType() ? Qt::white : Qt::black) : Qt::gray;
QBrush brush(color);
// 此处中绘制圆形滑动条，需要绘制圆角，圆角大小为其高度的一半
QPainterPath pathGroove;
int radius = rectGroove.height() / 2;
// 此处绘制滑条的全长
QBrush allBrush(QColor(190,190,190));
QPainterPath allPathGroove;
allPathGroove.addRoundedRect(rectGroove, radius, radius);
painter->fillPath(allPathGroove, allBrush);
// 已经滑动过的区域
QBrush brush(color);
QPainterPath pathGroove;
int handleSize = qMin(rectHandle.width(), rectHandle.height());
rectGroove.setWidth(rectHandle.x() + (rectHandle.width() - handleSize) / 2);
pathGroove.addRoundedRect(rectGroove, radius, radius);
painter->fillPath(pathGroove, brush);
// 绘制滑块,因为滑块是正圆形，而它本来的区域是一个长方形区域，因此，需要计算当前
// 区域的正中心区域，将其作为一个正方形区域来绘制圆形滑块
int handleSize = qMin(rectHandle.width(), rectHandle.height());
int x = rectHandle.x() + (rectHandle.width() - handleSize) / 2;
int y = rectHandle.y() + (rectHandle.height() - handleSize) / 2;
rectHandle.setX(x);