pyqt5无法将边框应用于无框架窗口 [英] pyqt5 can't apply border to framelesswindow
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问题描述
我通过pyqt5中的setStyleSheet函数应用了边框宽度和边框颜色.但是,当我在无框窗口中使用它时,没有应用边框.我的代码有任何问题吗?我需要帮助.这是我的代码.
I applied border width and border color via setStyleSheet funciton in pyqt5. But when I use it in frameless window, border not applied. any issue in my code? I need help. Here comes my code.
import sys
from PyQt5.QtWidgets import QWidget,QApplication
from PyQt5.QtCore import Qt,QPoint
class CommonFramelessWidget(QWidget):
def __init__(self,parent):
super(CommonFramelessWidget,self).__init__(parent)
self.setWindowFlags(Qt.Window|Qt.FramelessWindowHint)
self.setStyleSheet('border:5px black; background-color:red;')
def mousePressEvent(self, event):
self.oldPos = event.globalPos()
def mouseMoveEvent(self,e):
delta = QPoint (e.globalPos() - self.oldPos)
self.move(self.x() + delta.x(), self.y() + delta.y())
self.oldPos = e.globalPos()
if __name__ == "__main__":
app = QApplication(sys.argv)
mw = CommonFramelessWidget(None)
mw.show()
sys.exit(app.exec_())
推荐答案
除了激活Qt :: WA_StyledBackground属性之外,还必须设置边框类型,以便它使用样式表的信息作为背景样式:
You have to set the border type, in addition to activating the Qt::WA_StyledBackground attribute so that it uses the information of the stylesheet as the background style:
import sys
from PyQt5.QtWidgets import QWidget, QApplication
from PyQt5.QtCore import Qt, QPoint
class CommonFramelessWidget(QWidget):
def __init__(self, parent=None):
super(CommonFramelessWidget, self).__init__(parent)
self.setWindowFlags(Qt.Window | Qt.FramelessWindowHint)
self.setStyleSheet("border: 5px solid black; background-color:red;")
self.setAttribute(Qt.WA_StyledBackground)
self.resize(640, 480)
def mousePressEvent(self, event):
self.oldPos = event.globalPos()
super(CommonFramelessWidget, self).mousePressEvent(event)
def mouseMoveEvent(self, e):
delta = QPoint(e.globalPos() - self.oldPos)
self.move(self.pos() + delta)
self.oldPos = e.globalPos()
super(CommonFramelessWidget, self).mouseMoveEvent(e)
if __name__ == "__main__":
app = QApplication(sys.argv)
mw = CommonFramelessWidget()
mw.show()
sys.exit(app.exec_())
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