如何在QT中实现垂直制表符? [英] How to implement vertical tabs in QT?
本文介绍了如何在QT中实现垂直制表符?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我正在尝试使用QT实现带有水平文本的垂直选项卡,但是在 QTabWidget 中找不到任何类似的选项.
I am trying to implement vertical tabs with horizontal text with QT but I cannot find any similar option in QTabWidget.
SO中的某人要求在此处 ,但是,答案中包含断开的链接,我怀疑它们是否提供了真正的解决方案.
Somebody in SO asked for something similar here, however, the answers contain broken links and I doubt that they present a real solution.
有人能做到吗?
推荐答案
您必须实现一个自定义的QTabBar
,以覆盖tabSizeHint()
和paintEvent()
方法,如下所示:
You have to implement a custom QTabBar
overwriting the tabSizeHint()
and paintEvent()
methods as shown below:
#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();
}
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