qtabwidget 垂直tab
作者:互联网
https://stackoverflow.com/questions/50578661/how-to-implement-vertical-tabs-in-qt#
#include <QApplication>
#include <QStyleOptionTab>
#include <QStylePainter>
#include <QTabBar>
#include <QTabWidget>
class TabBar: public QTabBar{
public:
QSize tabSizeHint(int index) const{
QSize s = QTabBar::tabSizeHint(index);
s.transpose();
return s;
}
protected:
void paintEvent(QPaintEvent * /*event*/){
QStylePainter painter(this);
QStyleOptionTab opt;
for(int i = 0;i < count();i++)
{
initStyleOption(&opt,i);
painter.drawControl(QStyle::CE_TabBarTabShape, opt);
painter.save();
QSize s = opt.rect.size();
s.transpose();
QRect r(QPoint(), s);
r.moveCenter(opt.rect.center());
opt.rect = r;
QPoint c = tabRect(i).center();
painter.translate(c);
painter.rotate(90);
painter.translate(-c);
painter.drawControl(QStyle::CE_TabBarTabLabel,opt);
painter.restore();
}
}
};
class TabWidget : public QTabWidget
{
public:
TabWidget(QWidget *parent=0):QTabWidget(parent){
setTabBar(new TabBar);
setTabPosition(QTabWidget::West);
}
};
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
TabWidget w;
w.addTab(new QWidget, "tab1");
w.addTab(new QWidget, "tab2");
w.addTab(new QWidget, "tab3");
w.show();
return a.exec();
}
标签:opt,int,垂直,tab,qtabwidget,new,include,public,painter 来源: https://www.cnblogs.com/cute/p/15358185.html