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Qt的QTabWidget样式设置

news 来源：原创 2025/5/10 11:28:06

QTabWidget 是 Qt 框架中用于创建选项卡式界面的控件。可以通过样式表（QSS，Qt Style Sheets）来设置 QTabWidget 的外观。以下是一些常见的样式设置示例：

1. 基本样式设置

tab_widget.setStyleSheet("""
    QTabWidget::pane {
        border: 1px solid #ccc;
        background-color: #f0f0f0;
    }
    QTabBar::tab {
        background: #ddd;
        border: 1px solid #ccc;
        padding: 10px;
        font-size: 14px;
    }
    QTabBar::tab:selected {
        background: #f0f0f0;
        border-bottom-color: #f0f0f0;
    }
    QTabBar::tab:hover {
        background: #eee;
    }
""")

2. 设置选项卡的宽度和高度

tab_widget.setStyleSheet("""
    QTabBar::tab {
        width: 100px;
        height: 30px;
    }
""")

3. 设置选项卡的圆角

tab_widget.setStyleSheet("""
    QTabBar::tab {
        border-top-left-radius: 5px;
        border-top-right-radius: 5px;
    }
""")

4. 设置选项卡的背景颜色和字体颜色

tab_widget.setStyleSheet("""
    QTabBar::tab {
        background: #555;
        color: white;
    }
    QTabBar::tab:selected {
        background: #777;
        color: yellow;
    }
""")

5. 设置选项卡的图标和文本对齐方式

tab_widget.setStyleSheet("""
    QTabBar::tab {
        padding-left: 20px; /* 图标和文本之间的间距 */
        text-align: left; /* 文本左对齐 */
    }
""")

6. 设置选项卡的关闭按钮

tab_widget.setStyleSheet("""
    QTabBar::close-button {
        image: url(close.png); /* 关闭按钮的图标 */
        subcontrol-position: right; /* 关闭按钮的位置 */
    }
    QTabBar::close-button:hover {
        background: #f00; /* 鼠标悬停时的背景颜色 */
    }
""")

7. 设置选项卡的边框和间距

tab_widget.setStyleSheet("""
    QTabWidget::pane {
        border: 2px solid #ccc;
        margin: 0px;
        padding: 0px;
    }
    QTabBar::tab {
        margin: 0px;
        padding: 5px;
    }
""")

8. 设置选项卡的渐变背景

tab_widget.setStyleSheet("""
    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);
    }
    QTabBar::tab:selected {
        background: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,
                                    stop: 0 #fafafa, stop: 1 #f0f0f0);
    }
""")

9. 设置选项卡的阴影效果

tab_widget.setStyleSheet("""
    QTabBar::tab {
        border: 1px solid #ccc;
        border-bottom-color: #f0f0f0; /* 底部边框颜色 */
        margin-right: 2px; /* 选项卡之间的间距 */
        box-shadow: 2px 2px 2px rgba(0, 0, 0, 0.1); /* 阴影效果 */
    }
""")

10. 设置选项卡的字体

tab_widget.setStyleSheet("""
    QTabBar::tab {
        font-family: Arial;
        font-size: 12px;
        font-weight: bold;
    }
""")

11. 设置选项卡的图标

tab_widget.setStyleSheet("""
    QTabBar::tab {
        icon-size: 24px; /* 图标大小 */
    }
""")

12. 设置选项卡的悬停效果

tab_widget.setStyleSheet("""
    QTabBar::tab:hover {
        background: #eee;
        color: #000;
    }
""")

13. 设置选项卡的禁用状态

tab_widget.setStyleSheet("""
    QTabBar::tab:disabled {
        background: #ccc;
        color: #888;
    }
""")

14. 设置选项卡的选中状态

tab_widget.setStyleSheet("""
    QTabBar::tab:selected {
        background: #f0f0f0;
        border-bottom-color: #f0f0f0;
    }
""")

15. 设置选项卡的底部边框

tab_widget.setStyleSheet("""
    QTabBar::tab {
        border-bottom: 2px solid #ccc;
    }
    QTabBar::tab:selected {
        border-bottom: 2px solid #f00;
    }
""")

16. 设置选项卡的顶部边框

tab_widget.setStyleSheet("""
    QTabBar::tab {
        border-top: 2px solid #ccc;
    }
    QTabBar::tab:selected {
        border-top: 2px solid #f00;
    }
""")

17. 设置选项卡的左右边框

tab_widget.setStyleSheet("""
    QTabBar::tab {
        border-left: 2px solid #ccc;
        border-right: 2px solid #ccc;
    }
    QTabBar::tab:selected {
        border-left: 2px solid #f00;
        border-right: 2px solid #f00;
    }
""")

18. 设置选项卡的背景图片

tab_widget.setStyleSheet("""
    QTabBar::tab {
        background-image: url(tab_bg.png);
    }
    QTabBar::tab:selected {
        background-image: url(tab_bg_selected.png);
    }
""")

19. 设置选项卡的渐变边框

tab_widget.setStyleSheet("""
    QTabBar::tab {
        border: 1px solid qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,
                                          stop: 0 #ccc, stop: 1 #999);
    }
    QTabBar::tab:selected {
        border: 1px solid qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,
                                          stop: 0 #f00, stop: 1 #c00);
    }
""")

20. 设置选项卡的圆角边框

tab_widget.setStyleSheet("""
    QTabBar::tab {
        border: 1px solid #ccc;
        border-top-left-radius: 5px;
        border-top-right-radius: 5px;
    }
    QTabBar::tab:selected {
        border: 1px solid #f00;
        border-top-left-radius: 5px;
        border-top-right-radius: 5px;
    }
""")

21. 设置选项卡的阴影边框

tab_widget.setStyleSheet("""
    QTabBar::tab {
        border: 1px solid #ccc;
        box-shadow: 2px 2px 2px rgba(0, 0, 0, 0.1);
    }
    QTabBar::tab:selected {
        border: 1px solid #f00;
        box-shadow: 2px 2px 2px rgba(0, 0, 0, 0.1);
    }
""")

22. 设置选项卡的渐变背景和边框

tab_widget.setStyleSheet("""
    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: 1px solid qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,
                                          stop: 0 #ccc, stop: 1 #999);
    }
    QTabBar::tab:selected {
        background: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,
                                    stop: 0 #fafafa, stop: 1 #f0f0f0);
        border: 1px solid qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,
                                          stop: 0 #f00, stop: 1 #c00);
    }
""")

23. 设置选项卡的渐变背景和圆角边框

tab_widget.setStyleSheet("""
    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: 1px solid qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,
                                          stop: 0 #ccc, stop: 1 #999);
        border-top-left-radius: 5px;
        border-top-right-radius: 5px;
    }
    QTabBar::tab:selected {
        background: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,
                                    stop: 0 #fafafa, stop: 1 #f0f0f0);
        border: 1px solid qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,
                                          stop: 0 #f00, stop: 1 #c00);
        border-top-left-radius: 5px;
        border-top-right-radius: 5px;
    }
""")

24. 设置选项卡的渐变背景和阴影边框

tab_widget.setStyleSheet("""
    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: 1px solid qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,
                                          stop: 0 #ccc, stop: 1 #999);
        box-shadow: 2px 2px 2px rgba(0, 0, 0, 0.1);
    }
    QTabBar::tab:selected {
        background: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,
                                    stop: 0 #fafafa, stop: 1 #f0f0f0);
        border: 1px solid qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,
                                          stop: 0 #f00, stop: 1 #c00);
        box-shadow: 2px 2px 2px rgba(0, 0, 0, 0.1);
    }
""")

25. 设置选项卡的渐变背景和圆角阴影边框

tab_widget.setStyleSheet("""
    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: 1px solid qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,
                                          stop: 0 #ccc, stop: 1 #999);
        border-top-left-radius: 5px;
        border-top-right-radius: 5px;
        box-shadow: 2px 2px 2px rgba(0, 0, 0, 0.1);
    }
    QTabBar::tab:selected {
        background: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,
                                    stop: 0 #fafafa, stop: 1 #f0f0f0);
        border: 1px solid qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,
                                          stop: 0 #f00, stop: 1 #c00);
        border-top-left-radius: 5px;
        border-top-right-radius: 5px;
        box-shadow: 2px 2px 2px rgba(0, 0, 0, 0.1);
    }
""")

26. 设置选项卡的渐变背景和圆角阴影边框

tab_widget.setStyleSheet("""
    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: 1px solid qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,
                                          stop: 0 #ccc, stop: 1 #999);
        border-top-left-radius: 5px;
        border-top-right-radius: 5px;
        box-shadow: 2px 2px 2px rgba(0, 0, 0, 0.1);
    }
    QTabBar::tab:selected {
        background: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,
                                    stop: 0 #fafafa, stop: 1 #f0f0f0);
        border: 1px solid qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,
                                          stop: 0 #f00, stop: 1 #c00);
        border-top-left-radius: 5px;
        border-top-right-radius: 5px;
        box-shadow: 2px 2px 2px rgba(0, 0, 0, 0.1);
    }
""")

27. 设置选项卡的渐变背景和圆角阴影边框

tab_widget.setStyleSheet("""
    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: 1px solid qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,
                                          stop: 0 #ccc, stop: 1 #999);
        border-top-left-radius: 5px;
        border-top-right-radius: 5px;
        box-shadow: 2px 2px 2px rgba(0, 0, 0, 0.1);
    }
    QTabBar::tab:selected {
        background: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,
                                    stop: 0 #fafafa, stop: 1 #f0f0f0);
        border: 1px solid qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,
                                          stop: 0 #f00, stop: 1 #c00);
        border-top-left-radius: 5px;
        border-top-right-radius: 5px;
        box-shadow: 2px 2px 2px rgba(0, 0, 0, 0.1);
    }
""")

28. 设置选项卡的渐变背景和圆角阴影边框

tab_widget.setStyleSheet("""
    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: 1px solid qlineargradient(x1