如何在样式表方法中使用 QStyle::StandardPixmap 设置 QTreeView 背景图像? [英] how to set QTreeView background image with QStyle::StandardPixmap in stylesheet method?
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问题描述
我需要使用带有 QT 样式表的 QStyle::StandardPixmap
更改 QTreeView 背景图像,我尝试了一些方法,但它不起作用?
i need to change QTreeView background image use QStyle::StandardPixmap
with QT stylesheet , i try some method, but it don't work?
样式表看起来像这样,但它不起作用
The stylesheet look like this, but it not working
QTreeView::branch:closed:adjoins-item {
border-image: url(QStyle::SP_ArrowBack);
}
推荐答案
我建议快速上传 QStyle.SP_ArrowBack
到文件 SP_ArrowBack.png
,然后在样式表.
I suggest quickly uploading QStyle.SP_ArrowBack
to the file SP_ArrowBack.png
, and then using it in the stylesheet.
import sys
from PyQt5.QtWidgets import QTreeView, QFileSystemModel, QApplication, QStyle
from PyQt5.QtCore import QDir
from PyQt5.QtGui import QIcon
class Tree(QTreeView):
def __init__(self):
QTreeView.__init__(self)
self.setWindowIcon(self.style().standardIcon(QStyle.SP_ArrowBack))
### vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
icon = self.style().standardIcon(QStyle.SP_ArrowBack)
pixmap = icon.pixmap(200, 200, QIcon.Normal, QIcon.On)
_icon = "{}.png".format("SP_ArrowBack")
pixmap.save(_icon, quality = -1)
print("Icon loaded ...")
self.setStyleSheet("""
QTreeWidget {border:None;}
QTreeWidget::item { height: 80px;
color: rgba(255,255,255,255);
}
QTreeView {
alternate-background-color: rgba(135,135,135,255);
background: rgba(145,145,145,255);
}
QTreeView::branch:has-siblings:!adjoins-item {
border-image: url(vline.png) 0;
}
QTreeView::branch:has-siblings:adjoins-item {
border-image: url(branch-more.png) 0;
}
QTreeView::branch:!has-children:!has-siblings:adjoins-item {
border-image: url(branch-end.png) 0;
}
QTreeView::branch:has-children:!has-siblings:closed,
QTreeView::branch:closed:has-children:has-siblings {
border-image: none;
image: url(%s); /* <--- _icon */
}
QTreeView::branch:open:has-children:!has-siblings,
QTreeView::branch:open:has-children:has-siblings {
border-image: none;
image: url(branch-open.png);
}
QTreeWidget::item[text="Header1"] {
height: 80px;
}
QTreeWidget::item:children {
height: 40px;
}
""" % _icon)
### ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
model = QFileSystemModel()
model.setRootPath(QDir.currentPath())
self.setModel(model)
self.setRootIndex(model.index(QDir.currentPath()))
model.setReadOnly(True)
if __name__ == '__main__':
app = QApplication(sys.argv)
w = Tree()
w.resize(500, 300)
w.show()
sys.exit(app.exec_())
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