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我正在使用pyQT创建器和python.it工作在GUI上，它是一个使用绘制矩形来保存使用Qpainter的聊天文本的聊天应用程序。所有绘制的小部件都显示在scrollArea（verticalLayout内）中。更改新窗口小部件的大小
迄今为止GUI正在工作，你可以在下面的代码见：
from PyQt5 import QtCore, QtGui, QtWidgets
class Bot_Bubble(QtWidgets.QLabel):
def __init__(self,text):
super(Bot_Bubble,self).__init__(text)
self.setContentsMargins(5,5,5,5)
def paintEvent(self, e):
p = QtGui.QPainter(self)
p.setRenderHint(QtGui.QPainter.Antialiasing,True)
p.fillRect(self.rect(), QtGui.QColor("#F0F8FF"))
p.drawRoundedRect(self.rect(), 3.0, 3.0)
super(Bot_Bubble,self).paintEvent(e)
class Ui_chatbotgui(object):
def setupUi(self, chatbotgui):
chatbotgui.setObjectName("chatbotgui")
chatbotgui.resize(361, 566)
chatbotgui.setStyleSheet("background-color:rgba(0, 0, 0, 0)")
self.gridLayout = QtWidgets.QGridLayout(chatbotgui)
self.gridLayout.setContentsMargins(11, 11, 11, 11)
self.gridLayout.setSpacing(6)
self.gridLayout.setObjectName("gridLayout")
self.scrollArea = QtWidgets.QScrollArea(chatbotgui)
self.scrollArea.setLayoutDirection(QtCore.Qt.RightToLeft)
self.scrollArea.setStyleSheet("background-color: rgb(255, 255, 255);\n""border-style: solid;\n""border-color: white;\n""border-width: 3px;\n""border-radius: 10px;")
self.scrollArea.setWidgetResizable(True)
self.scrollArea.setObjectName("scrollArea")
self.scrollAreaWidgetContents = QtWidgets.QWidget()
self.scrollAreaWidgetContents.setObjectName("scrollAreaWidgetContents")
self.verticalLayout_2 =QtWidgets.QVBoxLayout(self.scrollAreaWidgetContents)
self.verticalLayout_2.setContentsMargins(11, 11, 11, 11)
self.verticalLayout_2.setSpacing(6)
self.verticalLayout_2.setDirection(QtWidgets.QVBoxLayout.TopToBottom)
self.verticalLayout_2.setObjectName("verticalLayout_2")
self.verticalLayout_2.setSizeConstraint(QtWidgets.QLayout.SetNoConstraint)
self.scrollArea.setWidget(self.scrollAreaWidgetContents)
self.gridLayout.addWidget(self.scrollArea, 0, 0, 1, 1)
self.lineEdit = QtWidgets.QLineEdit(chatbotgui)
self.lineEdit.setEnabled(True)
self.lineEdit.setLayoutDirection(QtCore.Qt.RightToLeft)
self.lineEdit.setAutoFillBackground(False)
self.lineEdit.setStyleSheet("background-color: rgb(255, 255, 255);\n""border-style: solid;\n""border-color: white;\n""border-width: 3px;\n""border-radius: 10px;")
self.lineEdit.setObjectName("lineEdit")
self.gridLayout.addWidget(self.lineEdit, 1, 0, 1, 1)
self.lineEdit.returnPressed.connect(self.showtext)
self.retranslateUi(chatbotgui)
QtCore.QMetaObject.connectSlotsByName(chatbotgui)
self.scrollArea.raise_()
def retranslateUi(self, chatbotgui):
_translate = QtCore.QCoreApplication.translate
chatbotgui.setWindowTitle(_translate("chatbotgui", "المساعد الذكي"))
def showtext(self):
text = self.lineEdit.text()
label = Bot_Bubble(text)
self.verticalLayout_2.addWidget(label)
self.verticalLayout_2.addStretch()
if __name__ == "__main__":
import sys
app = QtWidgets.QApplication(sys.argv)
chatbotgui = QtWidgets.QWidget()
ui = Ui_chatbotgui()
ui.setupUi(chatbotgui)
chatbotgui.show()
sys.exit(app.exec_())
但whidth绘控件的i'have一些问题所花费的VerticalLayout的宽度相同（我想是与用户文本的宽度相同）？！
谢谢你，