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refactor:更改QCustomPlot相关源码，使Y轴在左右不同边时的label显示方向一致

This commit is contained in:
duanshengchao 2025-08-13 17:54:09 +08:00
parent 2b10e7e9ef
commit a39e745617
2 changed files with 43 additions and 19 deletions
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43
dataPanel/dpBaseChart.h
View File

@ -50,16 +50,23 @@ protected:
bIsDefaultAxis = false;
}
~Axis()
{
//执行plot->axisRect()->removeAxis(axis)时，axis会delete掉
/*if(qAxis && !bIsDefaultAxis) //默认坐标轴由所属plot管理
{
delete qAxis;
qAxis = nullptr;
}*/
}
void setQCPAxis(QCPAxis* axis, bool isDefualtAxis)
{
qAxis = axis;
bIsDefaultAxis = isDefualtAxis;
if(qAxis)
{
if(_cfg.unit.isEmpty())
qAxis->setLabel(_cfg.name);
else
qAxis->setLabel(QString("%1(%2)").arg(_cfg.name,_cfg.unit));
setAxisLabel();
qAxis->setSubTicks(false);
//颜色
qAxis->setBasePen(style.axisColor);
@ -81,13 +88,7 @@ protected:
_cfg.unit = cfg.unit;
_cfg.dataType = cfg.dataType;
if(qAxis) //更新轴的名称
{
if(_cfg.unit.isEmpty())
qAxis->setLabel(_cfg.name);
else
qAxis->setLabel(QString("%1(%2)").arg(_cfg.name,_cfg.unit));
}
setAxisLabel(); //更新轴的名称
}
void setStyle(const ChartStyle chartStyle)
@ -95,15 +96,23 @@ protected:
style = chartStyle;
}
~Axis()
private:
void setAxisLabel()
{
//执行plot->axisRect()->removeAxis(axis)时，axis会delete掉
/*if(qAxis && !bIsDefaultAxis) //默认坐标轴由所属plot管理
if(qAxis)
{
delete qAxis;
qAxis = nullptr;
}*/
QString labelText = "";
if(_cfg.unit.isEmpty())
labelText = _cfg.name;
else
labelText = QString("%1(%2)").arg(_cfg.name,_cfg.unit);
//因为QCPAxis左右不同位置时，lable的方向不一致，且没有提供设置方法，在这里通过字符串反转的方式来矫正
// if(qAxis->axisType() == QCPAxis::atLeft)
// std::reverse(labelText.begin(), labelText.end());
qAxis->setLabel(labelText);
}
}
};
struct Graph

19
util/Chart/qcustomplot.cpp
View File

@ -9949,6 +9949,13 @@ void QCPAxisPainterPrivate::draw(QCPPainter *painter)
case QCPAxis::atBottom: origin = axisRect.bottomLeft() +QPoint(0, +offset); break;
}
/*if(type == QCPAxis::atRight) //dsc add
{
painter->setPen(QPen(QColor(Qt::red)));
//painter->drawRect(axisRect);
painter->drawPoint(origin);
}*/
double xCor = 0, yCor = 0; // paint system correction, for pixel exact matches (affects baselines and ticks of top/right axes)
switch (type)
{
@ -10050,16 +10057,24 @@ void QCPAxisPainterPrivate::draw(QCPPainter *painter)
if (type == QCPAxis::atLeft)
{
QTransform oldTransform = painter->transform();
//原始代码
painter->translate((origin.x()-margin-labelBounds.height()), origin.y());
painter->rotate(-90);
//dsc更改
//painter->translate((origin.x()-margin), 0);
//painter->rotate(90);
painter->drawText(0, 0, axisRect.height(), labelBounds.height(), Qt::TextDontClip | Qt::AlignCenter, label);
painter->setTransform(oldTransform);
}
else if (type == QCPAxis::atRight)
{
QTransform oldTransform = painter->transform();
painter->translate((origin.x()+margin+labelBounds.height()), origin.y()-axisRect.height());
painter->rotate(90);
//原始代码
//painter->translate((origin.x()+margin+labelBounds.height()), origin.y()-axisRect.height());
//painter->rotate(90);
//dsc更改
painter->translate((origin.x()+margin), origin.y());
painter->rotate(-90);
painter->drawText(0, 0, axisRect.height(), labelBounds.height(), Qt::TextDontClip | Qt::AlignCenter, label);
painter->setTransform(oldTransform);
}