blocks|key|18372|text|您必须实现一个覆盖tabSizeHint()和paintEvent()方法的自定义QTabBar，如下所示：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|18373|#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%2B%2B)
++++++++{
++++++++++++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();
}|code-block|syntax|javascript|18374|​|18375|📷|atomic|18376|18377|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/4ef56a0f0e9119940a3f3cb7199ba453.png|imageAlt^0|9|D|N|C|15|7|0|0|0|0|1|0|0|0^^$0|@$1|2|3|4|5|6|7|Z|8|@$9|10|A|11|B|C]|$9|12|A|13|B|C]|$9|14|A|15|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|16|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|17|8|@]|D|@]|E|$]]|$1|M|3|N|5|O|7|18|8|@]|D|@$9|19|A|1A|1|1B]]|E|$]]|$1|P|3|L|5|6|7|1C|8|@]|D|@]|E|$]]|$1|Q|3|-4|5|6|7|1D|8|@]|D|@]|E|$]]]|R|$S|$5|T|U|V|E|$W|X|Y|-4]]]]

You have to implement a custom <code>QTabBar</code> overwriting the <code>tabSizeHint()</code> and <code>paintEvent()</code> methods as shown below:

<pre><code>#include &lt;QApplication&gt;
#include &lt;QStyleOptionTab&gt;
#include &lt;QStylePainter&gt;
#include &lt;QTabBar&gt;
#include &lt;QTabWidget&gt;

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 &lt; count();i++)
 {
 initStyleOption(&amp;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();
}
</code></pre>

<a href="https://i.stack.imgur.com/5bFeH.png" rel="noreferrer"><img src="https://i.stack.imgur.com/5bFeH.png" alt="enter image description here"></a>

blocks|key|19298|text|所以我解决这个样式问题的解决方案是：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|19299|代码：|offset|length|style|BOLD|19300|apptabbar.h|19301|#ifndef+APPTABBAR_H
#define+APPTABBAR_H

#include+<QTabBar>
#include+<QStylePainter>
#include+<QStyleOptionTab>

class+AppTabBar+:+public+QTabBar
{
public:
++++AppTabBar();
++++AppTabBar(int+tabWidth,+int+tabHeight);
++++AppTabBar(QSize+tabSize);
++++AppTabBar(QWidget+*parent);
++++AppTabBar(QWidget+*parent,+int+tabWidth,+int+tabHeight);
++++AppTabBar(QWidget+*parent,+QSize+tabSize);
++++QSize+tabSizeHint(int+index)+const+override;
++++~AppTabBar();

protected:
++++void+paintEvent(QPaintEvent+*event)+override;

private:
++++int+width,+height;
};

#endif+//+APPTABBAR_H|code-block|syntax|javascript|19302|apptabbar.cpp|19303|#include+"apptabbar.h"

AppTabBar::AppTabBar()+:+QTabBar(),
width(30),
height(115)
{

}

AppTabBar::AppTabBar(int+tabWidth,+int+tabHeight)+:+QTabBar(),
width(tabWidth),
height(tabHeight)
{

}

AppTabBar::AppTabBar(QSize+tabSize)+:+QTabBar(),
width(tabSize.width()),
height(tabSize.height())
{

}

AppTabBar::AppTabBar(QWidget+*parent)+:+QTabBar(parent),
width(30),
height(115)
{

}

AppTabBar::AppTabBar(QWidget+*parent,+int+tabWidth,+int+tabHeight)+:+QTabBar(parent),
width(tabWidth),
height(tabHeight)
{

}

AppTabBar::AppTabBar(QWidget+*parent,+QSize+tabSize)+:+QTabBar(parent),
width(tabSize.width()),
height(tabSize.height())
{

}

AppTabBar::~AppTabBar()
{

}

QSize+AppTabBar::tabSizeHint(int+index)+const
{
++++QSize+s+=+QTabBar::tabSizeHint(index);
++++s.setWidth(width);
++++s.setHeight(height);
++++s.transpose();
++++return+s;
}

void+AppTabBar::paintEvent(QPaintEvent+*event)
{
++++QStylePainter+painter(this);
++++QStyleOptionTab+opt;

++++for+(int+i+=+0;+i+<+this->count();+i%2B%2B)+{
++++++++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();
++++}

++++QWidget::paintEvent(event);
}|19304|apptabcontrol.h|19305|#ifndef+APPTABCONTROL_H
#define+APPTABCONTROL_H

#include+<QTabWidget>
#include+<QTabBar>
#include+<QPalette>
#include+<QPainter>
#include+<QDebug>
#include+"apptabbar.h"

class+AppTabControl+:+public+QTabWidget
{
public:
++++AppTabControl();
++++AppTabControl(QWidget+*parent);
++++AppTabControl(QWidget+*parent,+int+width,+int+height);
++++AppTabControl(QWidget+*parent,+QSize+size);
++++void+setTabControlSize(int+width,+int+height);
++++void+setTabControlSize(QSize+tabSize);
++++~AppTabControl();

private:
++++int+tabWidth,+tabHeight;
++++QSize+tabSize;
};

#endif+//+APPTABCONTROL_H|19306|apptabcontrol.cpp|19307|#include+"apptabcontrol.h"

AppTabControl::AppTabControl()
{

}

AppTabControl::AppTabControl(QWidget+*parent)+:+QTabWidget(parent)
{
++++this->setTabBar(new+AppTabBar(parent,+tabWidth,+tabHeight));
++++this->setTabPosition(QTabWidget::West);
}

AppTabControl::AppTabControl(QWidget+*parent,+int+width,+int+height)+:+QTabWidget(parent),
tabWidth(width),
tabHeight(height)
{
++++this->setTabBar(new+AppTabBar(parent,+tabWidth,+tabHeight));
++++this->setTabPosition(QTabWidget::West);
}

AppTabControl::AppTabControl(QWidget+*parent,+QSize+size)+:+QTabWidget(parent),
tabSize(size)
{
++++this->setTabBar(new+AppTabBar(parent,+tabSize));
++++this->setTabPosition(QTabWidget::West);
}

void+AppTabControl::setTabControlSize(int+width,+int+height)
{
++++tabWidth+=+width;
++++tabHeight+=+height;
}

void+AppTabControl::setTabControlSize(QSize+size)
{
++++tabSize+=+size;
}

AppTabControl::~AppTabControl()
{

}|19308|现在是最后一部分：|19309|Test::Test(QWidget+*parent)+:
++++QWidget(parent),
++++ui(new+Ui::Test)
{
++++AppTabControl+*tabControl+=+new+AppTabControl(this,+30,+115);
++++this->setStyleSheet("QTabBar::tab+{color:+#000000;+font-weight:+bold;+font-size:+10px;+font-family:+Gotham,+Helvetica+Neue,+Helvetica,+Arial,+sans-serif;}+"
+++"QTabBar::tab:selected+{background-color:+#FA9944;+color:+#000000;+border-top:+1px+solid+#FA9944;}+"
+++"QTabBar::tab:hover+{color:+#000000;+border-top:+1px+solid+#FA9944;+background-color:+#FFFFFF;}");
++++AppTabBar+*tabBar1+=+new+AppTabBar(tabControl);
++++AppTabBar+*tabBar2+=+new+AppTabBar(tabControl);
++++AppTabBar+*tabBar3+=+new+AppTabBar(tabControl);
++++tabControl->addTab(tabBar1,+"Tab1");
++++tabControl->addTab(tabBar2,+"Tab2");
++++tabControl->addTab(tabBar3,+"Tab3")
}|19310|结果：|19311|​|19312|📷|atomic|19313|19314|19315|19316|现在一切运行正常。|19317|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/65e5750f9422d54eeb98033815a007d4.png|imageAlt|1|https://ask.qcloudimg.com/http-save/yehe-900000/55bfc6d18ceb2f8846686bd5315d1c4a.gif^0|0|0|3|0|0|0|0|0|0|0|0|0|0|0|0|3|0|0|0|1|0|0|0|0|1|1|0|0|0^^$0|@$1|2|3|4|5|6|7|1R|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|1S|8|@$D|1T|E|1U|F|G]]|9|@]|A|$]]|$1|H|3|I|5|6|7|1V|8|@]|9|@]|A|$]]|$1|J|3|K|5|L|7|1W|8|@]|9|@]|A|$M|N]]|$1|O|3|P|5|6|7|1X|8|@]|9|@]|A|$]]|$1|Q|3|R|5|L|7|1Y|8|@]|9|@]|A|$M|N]]|$1|S|3|T|5|6|7|1Z|8|@]|9|@]|A|$]]|$1|U|3|V|5|L|7|20|8|@]|9|@]|A|$M|N]]|$1|W|3|X|5|6|7|21|8|@]|9|@]|A|$]]|$1|Y|3|Z|5|L|7|22|8|@]|9|@]|A|$M|N]]|$1|10|3|11|5|6|7|23|8|@]|9|@]|A|$]]|$1|12|3|13|5|L|7|24|8|@]|9|@]|A|$M|N]]|$1|14|3|15|5|6|7|25|8|@$D|26|E|27|F|G]]|9|@]|A|$]]|$1|16|3|17|5|6|7|28|8|@]|9|@]|A|$]]|$1|18|3|19|5|1A|7|29|8|@]|9|@$D|2A|E|2B|1|2C]]|A|$]]|$1|1B|3|17|5|6|7|2D|8|@]|9|@]|A|$]]|$1|1C|3|19|5|1A|7|2E|8|@]|9|@$D|2F|E|2G|1|2H]]|A|$]]|$1|1D|3|17|5|6|7|2I|8|@]|9|@]|A|$]]|$1|1E|3|1F|5|6|7|2J|8|@]|9|@]|A|$]]|$1|1G|3|-4|5|6|7|2K|8|@]|9|@]|A|$]]]|1H|$1I|$5|1J|1K|1L|A|$1M|1N|1O|-4]]|1P|$5|1J|1K|1L|A|$1M|1Q|1O|-4]]]]

So my solution to fix this styling issue is:

Code:

apptabbar.h

<pre><code>#ifndef APPTABBAR_H
#define APPTABBAR_H

#include &lt;QTabBar&gt;
#include &lt;QStylePainter&gt;
#include &lt;QStyleOptionTab&gt;

class AppTabBar : public QTabBar
{
public:
 AppTabBar();
 AppTabBar(int tabWidth, int tabHeight);
 AppTabBar(QSize tabSize);
 AppTabBar(QWidget *parent);
 AppTabBar(QWidget *parent, int tabWidth, int tabHeight);
 AppTabBar(QWidget *parent, QSize tabSize);
 QSize tabSizeHint(int index) const override;
 ~AppTabBar();

protected:
 void paintEvent(QPaintEvent *event) override;

private:
 int width, height;
};

#endif // APPTABBAR_H
</code></pre>

apptabbar.cpp

<pre><code>#include "apptabbar.h"

AppTabBar::AppTabBar() : QTabBar(),
width(30),
height(115)
{

}

AppTabBar::AppTabBar(int tabWidth, int tabHeight) : QTabBar(),
width(tabWidth),
height(tabHeight)
{

}

AppTabBar::AppTabBar(QSize tabSize) : QTabBar(),
width(tabSize.width()),
height(tabSize.height())
{

}

AppTabBar::AppTabBar(QWidget *parent) : QTabBar(parent),
width(30),
height(115)
{

}

AppTabBar::AppTabBar(QWidget *parent, int tabWidth, int tabHeight) : QTabBar(parent),
width(tabWidth),
height(tabHeight)
{

}

AppTabBar::AppTabBar(QWidget *parent, QSize tabSize) : QTabBar(parent),
width(tabSize.width()),
height(tabSize.height())
{

}

AppTabBar::~AppTabBar()
{

}

QSize AppTabBar::tabSizeHint(int index) const
{
 QSize s = QTabBar::tabSizeHint(index);
 s.setWidth(width);
 s.setHeight(height);
 s.transpose();
 return s;
}

void AppTabBar::paintEvent(QPaintEvent *event)
{
 QStylePainter painter(this);
 QStyleOptionTab opt;

 for (int i = 0; i &lt; this-&gt;count(); i++) {
 initStyleOption(&amp;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();
 }

 QWidget::paintEvent(event);
}
</code></pre>

apptabcontrol.h

<pre><code>#ifndef APPTABCONTROL_H
#define APPTABCONTROL_H

#include &lt;QTabWidget&gt;
#include &lt;QTabBar&gt;
#include &lt;QPalette&gt;
#include &lt;QPainter&gt;
#include &lt;QDebug&gt;
#include "apptabbar.h"

class AppTabControl : public QTabWidget
{
public:
 AppTabControl();
 AppTabControl(QWidget *parent);
 AppTabControl(QWidget *parent, int width, int height);
 AppTabControl(QWidget *parent, QSize size);
 void setTabControlSize(int width, int height);
 void setTabControlSize(QSize tabSize);
 ~AppTabControl();

private:
 int tabWidth, tabHeight;
 QSize tabSize;
};

#endif // APPTABCONTROL_H
</code></pre>

apptabcontrol.cpp

<pre><code>#include "apptabcontrol.h"

AppTabControl::AppTabControl()
{

}

AppTabControl::AppTabControl(QWidget *parent) : QTabWidget(parent)
{
 this-&gt;setTabBar(new AppTabBar(parent, tabWidth, tabHeight));
 this-&gt;setTabPosition(QTabWidget::West);
}

AppTabControl::AppTabControl(QWidget *parent, int width, int height) : QTabWidget(parent),
tabWidth(width),
tabHeight(height)
{
 this-&gt;setTabBar(new AppTabBar(parent, tabWidth, tabHeight));
 this-&gt;setTabPosition(QTabWidget::West);
}

AppTabControl::AppTabControl(QWidget *parent, QSize size) : QTabWidget(parent),
tabSize(size)
{
 this-&gt;setTabBar(new AppTabBar(parent, tabSize));
 this-&gt;setTabPosition(QTabWidget::West);
}

void AppTabControl::setTabControlSize(int width, int height)
{
 tabWidth = width;
 tabHeight = height;
}

void AppTabControl::setTabControlSize(QSize size)
{
 tabSize = size;
}

AppTabControl::~AppTabControl()
{

}
</code></pre>

And now the final part:

<pre><code>Test::Test(QWidget *parent) :
 QWidget(parent),
 ui(new Ui::Test)
{
 AppTabControl *tabControl = new AppTabControl(this, 30, 115);
 this-&gt;setStyleSheet("QTabBar::tab {color: #000000; font-weight: bold; font-size: 10px; font-family: Gotham, Helvetica Neue, Helvetica, Arial, sans-serif;} "
 "QTabBar::tab:selected {background-color: #FA9944; color: #000000; border-top: 1px solid #FA9944;} "
 "QTabBar::tab:hover {color: #000000; border-top: 1px solid #FA9944; background-color: #FFFFFF;}");
 AppTabBar *tabBar1 = new AppTabBar(tabControl);
 AppTabBar *tabBar2 = new AppTabBar(tabControl);
 AppTabBar *tabBar3 = new AppTabBar(tabControl);
 tabControl-&gt;addTab(tabBar1, "Tab1");
 tabControl-&gt;addTab(tabBar2, "Tab2");
 tabControl-&gt;addTab(tabBar3, "Tab3")
}
</code></pre>

The result:

<img src="https://ddgobkiprc33d.cloudfront.net/953793e6-e192-41e5-855b-3fbb0c7346d4.png" alt="0_1533540265396_2018-08-06_102357.png"> 

<img src="https://ddgobkiprc33d.cloudfront.net/5a3d71f8-87d6-4f23-a91e-97f01bb615cc.gif" alt="0_1533540726975_tabs_solution.gif">

Everything works well now.

blocks|key|18103|text|PyQt5解决方案|type|unstyled|depth|inlineStyleRanges|entityRanges|data|18104|对于PyQt5，解决方案是这样的(从C%2B%2B到Python的@ellyanesc的翻译回复)：|offset|length|style|CODE|18105|from+__future__+import+annotations
from+typing+import+*
import+sys
from+PyQt5.QtWidgets+import+*
from+PyQt5.QtCore+import+*
from+PyQt5.QtGui+import+*

class+VTabBar(QTabBar):
++++def+__init__(self,+*args,+**kwargs)+->+None:
++++++++super().__init__(*args,+**kwargs)
++++++++return

++++def+tabSizeHint(self,+index:int)+->+QSize:
++++++++s+=+super().tabSizeHint(index)
++++++++s.transpose()
++++++++return+s

++++def+paintEvent(self,+event:QPaintEvent)+->+None:
++++++++painter:QStylePainter+=+QStylePainter(self)
++++++++opt:QStyleOptionTab+=+QStyleOptionTab()
++++++++for+i+in+range(self.count()):
++++++++++++self.initStyleOption(opt,+i)
++++++++++++painter.drawControl(QStyle.CE_TabBarTabShape,+opt)
++++++++++++painter.save()

++++++++++++s:QSize+=+opt.rect.size()
++++++++++++s.transpose()
++++++++++++r:QRect+=+QRect(QPoint(),+s)
++++++++++++r.moveCenter(opt.rect.center())
++++++++++++opt.rect+=+r

++++++++++++c:QPoint+=+self.tabRect(i).center()
++++++++++++painter.translate(c)
++++++++++++painter.rotate(90)
++++++++++++painter.translate(-c)
++++++++++++painter.drawControl(QStyle.CE_TabBarTabLabel,+opt)
++++++++++++painter.restore()
++++++++return

class+VTabWidget(QTabWidget):
++++def+__init__(self,+parent:QWidget=None)+->+None:
++++++++super().__init__(parent)
++++++++self.setTabBar(VTabBar())
++++++++self.setTabPosition(QTabWidget.West)
++++++++return

if+__name__+==+'__main__':
++++app+=+QApplication(sys.argv)
++++QApplication.setStyle(QStyleFactory.create('Plastique'))
++++w+=+VTabWidget()
++++w.addTab(QWidget(),+'tab1')
++++w.addTab(QWidget(),+'tab2')
++++w.addTab(QWidget(),+'tab3')
++++w.show()
++++sys.exit(app.exec_())|code-block|syntax|javascript|18106|entityMap^0|0|2|5|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|P|8|@$D|Q|E|R|F|G]]|9|@]|A|$]]|$1|H|3|I|5|J|7|S|8|@]|9|@]|A|$K|L]]|$1|M|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|N|$]]

<h2>Solution for PyQt5</h2>
For <code>PyQt5</code>, the solution is like this (translated reply from @ellyanesc from C++ to Python):
<pre class="lang-py prettyprint-override"><code>from __future__ import annotations
from typing import *
import sys
from PyQt5.QtWidgets import *
from PyQt5.QtCore import *
from PyQt5.QtGui import *

class VTabBar(QTabBar):
 def __init__(self, *args, **kwargs) -&gt; None:
 super().__init__(*args, **kwargs)
 return

 def tabSizeHint(self, index:int) -&gt; QSize:
 s = super().tabSizeHint(index)
 s.transpose()
 return s

 def paintEvent(self, event:QPaintEvent) -&gt; None:
 painter:QStylePainter = QStylePainter(self)
 opt:QStyleOptionTab = QStyleOptionTab()
 for i in range(self.count()):
 self.initStyleOption(opt, i)
 painter.drawControl(QStyle.CE_TabBarTabShape, opt)
 painter.save()

 s:QSize = opt.rect.size()
 s.transpose()
 r:QRect = QRect(QPoint(), s)
 r.moveCenter(opt.rect.center())
 opt.rect = r

 c:QPoint = self.tabRect(i).center()
 painter.translate(c)
 painter.rotate(90)
 painter.translate(-c)
 painter.drawControl(QStyle.CE_TabBarTabLabel, opt)
 painter.restore()
 return

class VTabWidget(QTabWidget):
 def __init__(self, parent:QWidget=None) -&gt; None:
 super().__init__(parent)
 self.setTabBar(VTabBar())
 self.setTabPosition(QTabWidget.West)
 return

if __name__ == '__main__':
 app = QApplication(sys.argv)
 QApplication.setStyle(QStyleFactory.create('Plastique'))
 w = VTabWidget()
 w.addTab(QWidget(), 'tab1')
 w.addTab(QWidget(), 'tab2')
 w.addTab(QWidget(), 'tab3')
 w.show()
 sys.exit(app.exec_())
</code></pre>

I am trying to implement vertical tabs with horizontal text with QT but I cannot find any similar option in QTabWidget. 

Somebody in SO asked for something similar <a href="https://stackoverflow.com/questions/14299651/qtabwidget-tabs-on-the-vertical-but-text-in-horizontal">here</a>, however, the answers contain broken links and I doubt that they present a real solution.

Anybody has been able to do that?

How to implement vertical tabs in QT?

Python

我正在尝试用QT实现带有水平文本的竖直选项卡，但我在QTabWidget中找不到任何类似的选项。所以有人要求类似的，然而，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。有没有人能做到这一点？

问如何在QT中实现垂直制表符？
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问如何在QT中实现垂直制表符？
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