文章目录

• QTreeWidget/QTreeView样式
• QHeaderView
• 背景属性
• • alternate-background-color：交替背景色
  • background：背景属性
  • background-color：控件的背景色
  • background-image：用于控件的背景图像。如果图像有透明部分则显示透明部分。
  • background-repeat：设置是如何重复背景图像
  • background-position:设置背景图像的位置
  • background-attachment:设置背景图像是否固定或者随着页面的其余部分滚动
  • background-clip：规定背景的绘制区域
  • background-origin：相对于内容框来定位背景图像

QTreeWidget/QTreeView样式

::branch分支项
::item精确控制内容项

QTreeView::item {border: 2px solid green;border-top-color: red;border-bottom-color: black;background-color: blue; }

QTreeView::item {border: 1px solid #d9d9d9;border-top-color: transparent;border-bottom-color: transparent; }QTreeView::item:hover {background: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1, stop: 0 #e7effd, stop: 1 #cbdaf1);border: 1px solid #bfcde4; }QTreeView::item:selected {border: 1px solid #567dbc; }QTreeView::item:selected:active{background: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1, stop: 0 #6ea1f1, stop: 1 #567dbc); }QTreeView::item:selected:!active {background: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1, stop: 0 #6b9be8, stop: 1 #577fbf); }

QTreeView {show-decoration-selected: 1;}QTreeView::item {border: 1px solid #d9d9d9;border-top-color: transparent;border-bottom-color: transparent; }QTreeView::item:hover {background: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1, stop: 0 #e7effd, stop: 1 #cbdaf1);border: 1px solid #bfcde4; }QTreeView::item:selected {border: 1px solid #567dbc; }QTreeView::item:selected:active{background: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1, stop: 0 #6ea1f1, stop: 1 #567dbc); }QTreeView::item:selected:!active {background: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1, stop: 0 #6b9be8, stop: 1 #577fbf); }QTreeView::branch {background: black; }QTreeView::branch:has-siblings:!adjoins-item {background: green; }QTreeView::branch:has-siblings:adjoins-item {background: red; }QTreeView::branch:!has-children:!has-siblings:adjoins-item {background: blue; }QTreeView::branch:closed:has-children:has-siblings {background: yellow; }QTreeView::branch:has-children:!has-siblings:closed {background: gray; }QTreeView::branch:open:has-children:has-siblings {background: #87CEEB; }QTreeView::branch:open:has-children:!has-siblings {background: #008080; }/* 节点与兄弟节点之间的图标(在上的节点展开后) */ QTreeView::branch:has-siblings:!adjoins-item {border-image: url(vline.png) 0; }/*子项前面（非结束项)*/ QTreeView::branch:has-siblings:adjoins-item {border-image: url(branch-more.png) 0; }/*结束项*/ QTreeView::branch:!has-children:!has-siblings:adjoins-item {border-image: url(branch-end.png) 0; }/* 未打开节点时的图标 */ QTreeView::branch:has-children:!has-siblings:closed, QTreeView::branch:closed:has-children:has-siblings {border-image: none;image: url(branch-closed.png); }/* 打开节点时的图标 */ QTreeView::branch:open:has-children:!has-siblings, QTreeView::branch:open:has-children:has-siblings {border-image: none;image: url(branch-open.png); }

QHeaderView

使用::section来控制样式，:该子控件拥有:middle，:fisrt，:last:only-one，:next-selected，:previous-selected，:selectted和checked状态。

QHeaderView::section {background-color: qlineargradient( x1:0, y1:0, x2:0, y2:1,stop:0 #616161, stop: 0.5 #505050,stop: 0.6 #434343, stop:1 #656565);color: white;padding-left: 4px;border: 1px solid #6c6c6c; } QHeaderView::section:checked {background-color: red; } /* 以下图标，只有在设置允许sortingEnable排序后，点击表头才会出现*/ QHeaderView::down-arrow {width:24px;height:24px;image: url(E:/arrow-down.jpg); } QHeaderView::up-arrow {width:24px;height:24px;image: url(E:/arrow-up.jpg); }

背景属性

alternate-background-color：交替背景色

用于修饰QAbstractItemView的子类
注意：先启用交替背景色属性

ui->tableWidget->setAlternatingRowColors(true); QTableWidget{alternate-background-color: blue;background: yellow;}

background：背景属性

支持 QAbstractItemView 子类, QAbstractSpinBox 子类, QCheckBox, QComboBox, QDialog, QFrame, QGroupBox, QLabel, QLineEdit, QMenu, QMenuBar, QPushButton, QRadioButton, QSplitter, QTextEdit, QToolTip, and plain QWidgets.

background-color：控件的背景色

background-image：用于控件的背景图像。如果图像有透明部分则显示透明部分。

background-repeat：设置是如何重复背景图像

QMainWindow { background-image: url(://logo); background-repeat: repeat-x; }

background-position:设置背景图像的位置

有top、bottom 、 left 、 right 、 center五个值

QLabel { background-image: url(://logo); background-repeat: no-repeat; background-position: center; }

background-attachment:设置背景图像是否固定或者随着页面的其余部分滚动

scroll：默认值，背景图像会随着页面其余部分的滚动而滚动。
fixed：当页面的其余部分滚动时，背景图像不会移动。

background-clip：规定背景的绘制区域

有三个值border、padding、content

background-origin：相对于内容框来定位背景图像

有三个值border、padding、content

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