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前言

本文分享QT控件QTabWidget&QTabBar的样式设计，介绍两者可以自定义的内容，以及如何定义，希望对各位小伙伴有所帮助！

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我将收获到的：

        1.

        2.

        3.

目录

1. 

2.

3.

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1. QTabWidget可自定义内容

        》QTabWidget::pane{} 定义tabWidgetFrame

        》QTabWidget::tab-bar{} 定义TabBar的位置

        》QTabWidget::tab{}定义Tab的样式

        》QTabWidget::tab:selected{}定义Tab被选中时的样式

        》QTabWidget::tab:hover{}定义Tab鼠标悬停时的样式

        》QTabWidget::tab:!selected{}定义Tab在非选中时的样式

2. QTabBar可自定义内容

        》QTabBar::tear{}

        》QTabBar::scroller{}

        》QTabBar QToolButton{} 定义QTabBar下的QToolButton的样式

        》QTabBar QToolButton::right-arrow{} /* the arrow mark in the tool buttons */

        》QTabBar QToolButton::left-arrow{}

        》QTabBar::close-button{}

        》QTabBar::close-button:hover{}

3. 可直接复制的QTableWidget样式

        》雪易样式

/*style-dark*/
QTabWidget::pane { /* The tab widget frame */border: 1px solid #00BB9E;border-radius:5px;}QTabWidget::tab-bar {alignment: right;
}/* Style the tab using the tab sub-control. Note thatit reads QTabBar _not_ QTabWidget */
QTabBar::tab {background: #D3D3D3;/*qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,stop: 0 #E1E1E1, stop: 0.4 #DDDDDD,stop: 0.5 #D8D8D8, stop: 1.0 #D3D3D3);*/border: none;border-top-left-radius: 4px;border-top-right-radius: 4px;min-width: 80px;padding: 8px;color:#000000;
}QTabBar::tab:selected, QTabBar::tab:hover {background: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,stop: 0 #fafafa, stop: 1.0 #00BB9E);}/**/QTabBar::tab:selected {border: 1px solid #00BB9E;/*border-bottom-color: #00BB9E;  same as pane color*/ 
}

        》QT提供样式1

QTabWidget::pane { /* The tab widget frame */border-top: 2px solid #C2C7CB;
}QTabWidget::tab-bar {left: 5px; /* move to the right by 5px */
}/* Style the tab using the tab sub-control. Note thatit reads QTabBar _not_ QTabWidget */
QTabBar::tab {background: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,stop: 0 #E1E1E1, stop: 0.4 #DDDDDD,stop: 0.5 #D8D8D8, stop: 1.0 #D3D3D3);border: 2px solid #C4C4C3;border-bottom-color: #C2C7CB; /* same as the pane color */border-top-left-radius: 4px;border-top-right-radius: 4px;min-width: 8ex;padding: 2px;
}QTabBar::tab:selected, QTabBar::tab:hover {background: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,stop: 0 #fafafa, stop: 0.4 #f4f4f4,stop: 0.5 #e7e7e7, stop: 1.0 #fafafa);
}QTabBar::tab:selected {border-color: #9B9B9B;border-bottom-color: #C2C7CB; /* same as pane color */
}QTabBar::tab:!selected {margin-top: 2px; /* make non-selected tabs look smaller */
}

        》QT提供样式2

QTabWidget::pane { /* The tab widget frame */border-top: 2px solid #C2C7CB;
}QTabWidget::tab-bar {left: 5px; /* move to the right by 5px */
}/* Style the tab using the tab sub-control. Note thatit reads QTabBar _not_ QTabWidget */
QTabBar::tab {background: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,stop: 0 #E1E1E1, stop: 0.4 #DDDDDD,stop: 0.5 #D8D8D8, stop: 1.0 #D3D3D3);border: 2px solid #C4C4C3;border-bottom-color: #C2C7CB; /* same as the pane color */border-top-left-radius: 4px;border-top-right-radius: 4px;min-width: 8ex;padding: 2px;
}QTabBar::tab:selected, QTabBar::tab:hover {background: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,stop: 0 #fafafa, stop: 0.4 #f4f4f4,stop: 0.5 #e7e7e7, stop: 1.0 #fafafa);
}QTabBar::tab:selected {border-color: #9B9B9B;border-bottom-color: #C2C7CB; /* same as pane color */
}QTabBar::tab:!selected {margin-top: 2px; /* make non-selected tabs look smaller */
}/* make use of negative margins for overlapping tabs */
QTabBar::tab:selected {/* expand/overlap to the left and right by 4px */margin-left: -4px;margin-right: -4px;
}QTabBar::tab:first:selected {margin-left: 0; /* the first selected tab has nothing to overlap with on the left */
}QTabBar::tab:last:selected {margin-right: 0; /* the last selected tab has nothing to overlap with on the right */
}QTabBar::tab:only-one {margin: 0; /* if there is only one tab, we don't want overlapping margins */
}

        》QT提供样式3

 

QTabWidget::pane { /* The tab widget frame */border-top: 2px solid #C2C7CB;position: absolute;top: -0.5em;
}QTabWidget::tab-bar {alignment: center;
}/* Style the tab using the tab sub-control. Note thatit reads QTabBar _not_ QTabWidget */
QTabBar::tab {background: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,stop: 0 #E1E1E1, stop: 0.4 #DDDDDD,stop: 0.5 #D8D8D8, stop: 1.0 #D3D3D3);border: 2px solid #C4C4C3;border-bottom-color: #C2C7CB; /* same as the pane color */border-top-left-radius: 4px;border-top-right-radius: 4px;min-width: 8ex;padding: 2px;
}QTabBar::tab:selected, QTabBar::tab:hover {background: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,stop: 0 #fafafa, stop: 0.4 #f4f4f4,stop: 0.5 #e7e7e7, stop: 1.0 #fafafa);
}QTabBar::tab:selected {border-color: #9B9B9B;border-bottom-color: #C2C7CB; /* same as pane color */
}

结论：

        本文介绍了QTabWidget和QTabBar在进行样式设计时可设置的选项，并给出了几个示例，各位小伙伴可以自行选择！

感谢各位小伙伴的点赞+关注，小易会继续努力分享，一起进步！

你的赞赏是我的最最最最大的动力(＾Ｕ＾)ノ~ＹＯ