C++ QChartView、橡皮键和鼠标右键行为
我有一个类,派生自C++ QChartView、橡皮键和鼠标右键行为,c++,qt,qtcharts,C++,Qt,Qtcharts,我有一个类,派生自QChartView,我在其中启用了橡皮筋选择 MyChartView::MyChartView(QChart* chart) :QChartView(chart) { setMouseTracking(true); setInteractive(true); setRubberBand(RectangleRubberBand); } Qt文档说 如果松开鼠标左键并启用橡皮筋,则接受事件并将视图放大到橡皮筋指定的矩形。如果是鼠标右键事件,则视图将缩小
QChartView
,我在其中启用了橡皮筋选择
MyChartView::MyChartView(QChart* chart)
:QChartView(chart)
{
setMouseTracking(true);
setInteractive(true);
setRubberBand(RectangleRubberBand);
}
Qt文档说
如果松开鼠标左键并启用橡皮筋,则接受事件并将视图放大到橡皮筋指定的矩形。如果是鼠标右键事件,则视图将缩小
我不想让右键缩小。我试图覆盖mouseReleaseEvent
void MyChartView::mouseReleaseEvent(QMouseEvent *e)
{
if(e->buttons() == Qt::RightButton)
{
std::cout << "my overriden event" << std::endl;
return; //event doesn't go further
}
QChartView::mouseReleaseEvent(e);//any other event
}
void MyChartView::mouseReleaseEvent(QMouseEvent*e)
{
如果(e->buttons()==Qt::RightButton)
{
std::cout问题解决方案非常简单。我刚刚混合了按钮()
和按钮()
函数。以下代码正常工作:
void MyChartView::mouseReleaseEvent(QMouseEvent *e)
{
if(e->button() == Qt::RightButton)
{
std::cout << "my overriden event" << std::endl;
return; //event doesn't go further
}
QChartView::mouseReleaseEvent(e);//any other event
}
void MyChartView::mouseReleaseEvent(QMouseEvent*e)
{
如果(e->button()==Qt::RightButton)
{
标准::cout