pyside6开发篇---隐藏栏后，实现关闭、最大（小）化、窗口拖动、窗口拖动调整大小

见贤思齐

1、隐藏栏窗口自带的栏和按钮，很难满足美化的需求，所以就需要将其隐藏：#隐藏栏self.setWindowFlags(Qt.WindowType.FramelessWindowHint)self.setAttribute(Qt.WA_TranslucentBackground)代码很简单，但是这样就会失去最大化、窗口拖动、窗口调整大小等功能，需要我们手动实现。2、最小化、最大化、关闭这三个是窗口最基础的功能，直接调用窗口本身自带的函数即可，需要我们使用三个按钮实现：图标资源可以去阿里巴巴矢量图库下载：iconfont-阿里巴巴矢量图标库代码实现三个按钮功能：#最小化self.ui.btn_min.clicked.connect(self.showMinimized)#关闭self.ui.btn_close.clicked.connect(self.close)#最大化self.ui.btn_max.clicked.connect(self.showMaximized)这是QMainWindow自带的三个功能，但是最大化功能需要自己改造一下，不然最大化之后，再次点击无法返回原来大小。 将最大化按钮绑定为自定义的最大化函数，就可以实现最大化和原始大小之间的切换：self.ui.btn_max.clicked.connect(self.maximize_restore)#全局变量GLOBAL_STATE=Falsedefmaximize_restore(self):globalGLOBAL_STATEstatus=GLOBAL_STATEifstatus==False:self.showMaximized()GLOBAL_STATE=Trueelse:GLOBAL_STATE=Falseself.showNormal()self.resize(self.width()+1,self.height()+1)双击实现最大化：defdouble_click_max(event):#双击切换最大化ifevent.type()==QEvent.MouseButtonDblClickTimer.singleShot(250,lambda:UIFunctions.maximize_restore(self))self.ui.top_bar.mouseDoubleClickEvent=double_click_max通过将双击实现最大化的函数绑定到UI界面中的top_bar，top_bar是使用QFrame绘制的一块区域，用来规定双击最大化的区域，也可以使用其他控件。3、窗口拖动窗口拖动需要重写QMainWindow的一些函数：defmousePressEvent(self,event):ifevent.button()==Qt.LeftButtonandself.ui.top_bar.geometry().contains(event.position().toPoint()):self.old_pos=event.globalPosition().toPoint()defmouseMoveEvent(self,event):ifself.old_posisnotNone:delta=QPoint(event.globalPosition().toPoint()-self.old_pos)self.move(self.x()+delta.x(),self.y()+delta.y())self.old_pos=event.globalPosition().toPoint()defmouseReleaseEvent(self,event):self.old_pos=None需要根据自己的UI界面，修改self.ui.top_bar，其作用是规定界面中哪一部分可以被拖动，可以是QFrame或者其他控件。4、窗口边缘调整窗口大小实现这个功能还是比较麻烦的，需要自己定义一个组件类CustomGrip：fromPySide6.QtCoreimport*fromPySide6.QtGuiimport*fromPySide6.QtWidgetsimport*"""自定义CustomGrip控件，实现用户通过拖动窗口的边缘来调整窗口的大小"""classCustomGrip(QWidget):def__init__(self,parent,position,disable_color=False):#设置UIQWidget.__init__(self)self.parent=parentself.setParent(parent)self.wi=Widgets()ifposition==Qt.TopEdge:self.wi.top(self)self.setGeometry(0,0,self.parent.width(),10)self.setMaximumHeight(10)top_left=QSizeGrip(self.wi.top_left)top_right=QSizeGrip(self.wi.top_right)defresize_top(event):delta=event.pos()height=max(self.parent.minimumHeight(),self.parent.height()-delta.y())geo=self.parent.geometry()geo.setTop(geo.bottom()-height)self.parent.setGeometry(geo)event.accept()self.wi.top.mouseMoveEvent=resize_topifdisable_color:self.wi.top_left.setStyleSheet("background:transparent")self.wi.top_right.setStyleSheet("background:transparent")self.wi.top.setStyleSheet("background:transparent")elifposition==Qt.BottomEdge:self.wi.bottom(self)self.setGeometry(0,self.parent.height()-10,self.parent.width(),10)self.setMaximumHeight(10)self.bottom_left=QSizeGrip(self.wi.bottom_left)self.bottom_right=QSizeGrip(self.wi.bottom_right)defresize_bottom(event):delta=event.pos()height=max(self.parent.minimumHeight(),self.parent.height()+delta.y())self.parent.resize(self.parent.width(),height)event.accept()self.wi.bottom.mouseMoveEvent=resize_bottomifdisable_color:self.wi.bottom_left.setStyleSheet("background:transparent")self.wi.bottom_right.setStyleSheet("background:transparent")self.wi.bottom.setStyleSheet("background:transparent")elifposition==Qt.LeftEdge:self.wi.left(self)self.setGeometry(0,10,10,self.parent.height())self.setMaximumWidth(10)defresize_left(event):delta=event.pos()width=max(self.parent.minimumWidth(),self.parent.width()-delta.x())geo=self.parent.geometry()geo.setLeft(geo.right()-width)self.parent.setGeometry(geo)event.accept()self.wi.leftgrip.mouseMoveEvent=resize_leftifdisable_color:self.wi.leftgrip.setStyleSheet("background:transparent")elifposition==Qt.RightEdge:self.wi.right(self)self.setGeometry(self.parent.width()-10,10,10,self.parent.height())self.setMaximumWidth(10)defresize_right(event):delta=event.pos()width=max(self.parent.minimumWidth(),self.parent.width()+delta.x())self.parent.resize(width,self.parent.height())event.accept()self.wi.rightgrip.mouseMoveEvent=resize_rightifdisable_color:self.wi.rightgrip.setStyleSheet("background:transparent")defmouseReleaseEvent(self,event):self.mousePos=NonedefresizeEvent(self,event):ifhasattr(self.wi,'container_top'):self.wi.container_top.setGeometry(0,0,self.width(),10)elifhasattr(self.wi,'container_bottom'):self.wi.container_bottom.setGeometry(0,0,self.width(),10)elifhasattr(self.wi,'leftgrip'):self.wi.leftgrip.setGeometry(0,0,10,self.height()-20)elifhasattr(self.wi,'rightgrip'):self.wi.rightgrip.setGeometry(0,0,10,self.height()-20)classWidgets(object):deftop(self,Form):ifnotForm.objectName():Form.setObjectName(u"Form")self.container_top=QFrame(Form)self.container_top.setObjectName(u"container_top")self.container_top.setGeometry(QRect(0,0,500,10))self.container_top.setMinimumSize(QSize(0,10))self.container_top.setMaximumSize(QSize(16777215,10))self.container_top.setFrameShape(QFrame.NoFrame)self.container_top.setFrameShadow(QFrame.Raised)self.top_layout=QHBoxLayout(self.container_top)self.top_layout.setSpacing(0)self.top_layout.setObjectName(u"top_layout")self.top_layout.setContentsMargins(0,0,0,0)self.top_left=QFrame(self.container_top)self.top_left.setObjectName(u"top_left")self.top_left.setMinimumSize(QSize(10,10))self.top_left.setMaximumSize(QSize(10,10))self.top_left.setCursor(QCursor(Qt.SizeFDiagCursor))self.top_left.setStyleSheet(u"background-color:rgb(33,37,43);")self.top_left.setFrameShape(QFrame.NoFrame)self.top_left.setFrameShadow(QFrame.Raised)self.top_layout.addWidget(self.top_left)self.top=QFrame(self.container_top)self.top.setObjectName(u"top")self.top.setCursor(QCursor(Qt.SizeVerCursor))self.top.setStyleSheet(u"background-color:rgb(85,255,255);")self.top.setFrameShape(QFrame.NoFrame)self.top.setFrameShadow(QFrame.Raised)self.top_layout.addWidget(self.top)self.top_right=QFrame(self.container_top)self.top_right.setObjectName(u"top_right")self.top_right.setMinimumSize(QSize(10,10))self.top_right.setMaximumSize(QSize(10,10))self.top_right.setCursor(QCursor(Qt.SizeBDiagCursor))self.top_right.setStyleSheet(u"background-color:rgb(33,37,43);")self.top_right.setFrameShape(QFrame.NoFrame)self.top_right.setFrameShadow(QFrame.Raised)self.top_layout.addWidget(self.top_right)defbottom(self,Form):ifnotForm.objectName():Form.setObjectName(u"Form")self.container_bottom=QFrame(Form)self.container_bottom.setObjectName(u"container_bottom")self.container_bottom.setGeometry(QRect(0,0,500,10))self.container_bottom.setMinimumSize(QSize(0,10))self.container_bottom.setMaximumSize(QSize(16777215,10))self.container_bottom.setFrameShape(QFrame.NoFrame)self.container_bottom.setFrameShadow(QFrame.Raised)self.bottom_layout=QHBoxLayout(self.container_bottom)self.bottom_layout.setSpacing(0)self.bottom_layout.setObjectName(u"bottom_layout")self.bottom_layout.setContentsMargins(0,0,0,0)self.bottom_left=QFrame(self.container_bottom)self.bottom_left.setObjectName(u"bottom_left")self.bottom_left.setMinimumSize(QSize(10,10))self.bottom_left.setMaximumSize(QSize(10,10))self.bottom_left.setCursor(QCursor(Qt.SizeBDiagCursor))self.bottom_left.setStyleSheet(u"background-color:rgb(33,37,43);")self.bottom_left.setFrameShape(QFrame.NoFrame)self.bottom_left.setFrameShadow(QFrame.Raised)self.bottom_layout.addWidget(self.bottom_left)self.bottom=QFrame(self.container_bottom)self.bottom.setObjectName(u"bottom")self.bottom.setCursor(QCursor(Qt.SizeVerCursor))self.bottom.setStyleSheet(u"background-color:rgb(85,170,0);")self.bottom.setFrameShape(QFrame.NoFrame)self.bottom.setFrameShadow(QFrame.Raised)self.bottom_layout.addWidget(self.bottom)self.bottom_right=QFrame(self.container_bottom)self.bottom_right.setObjectName(u"bottom_right")self.bottom_right.setMinimumSize(QSize(10,10))self.bottom_right.setMaximumSize(QSize(10,10))self.bottom_right.setCursor(QCursor(Qt.SizeFDiagCursor))self.bottom_right.setStyleSheet(u"background-color:rgb(33,37,43);")self.bottom_right.setFrameShape(QFrame.NoFrame)self.bottom_right.setFrameShadow(QFrame.Raised)self.bottom_layout.addWidget(self.bottom_right)defleft(self,Form):ifnotForm.objectName():Form.setObjectName(u"Form")self.leftgrip=QFrame(Form)self.leftgrip.setObjectName(u"left")self.leftgrip.setGeometry(QRect(0,10,10,480))self.leftgrip.setMinimumSize(QSize(10,0))self.leftgrip.setCursor(QCursor(Qt.SizeHorCursor))self.leftgrip.setStyleSheet(u"background-color:rgb(255,121,198);")self.leftgrip.setFrameShape(QFrame.NoFrame)self.leftgrip.setFrameShadow(QFrame.Raised)defright(self,Form):ifnotForm.objectName():Form.setObjectName(u"Form")Form.resize(500,500)self.rightgrip=QFrame(Form)self.rightgrip.setObjectName(u"right")self.rightgrip.setGeometry(QRect(0,0,10,500))self.rightgrip.setMinimumSize(QSize(10,0))self.rightgrip.setCursor(QCursor(Qt.SizeHorCursor))self.rightgrip.setStyleSheet(u"background-color:rgb(255,0,127);")self.rightgrip.setFrameShape(QFrame.NoFrame)self.rightgrip.setFrameShadow(QFrame.Raised)并实例化该类为四个边框，作为窗口边缘：#实例化四个CustomGrip对象，作为窗口边缘self.left_grip=CustomGrip(self,Qt.LeftEdge,True)self.right_grip=CustomGrip(self,Qt.RightEdge,True)self.top_grip=CustomGrip(self,Qt.TopEdge,True)self.bottom_grip=CustomGrip(self,Qt.BottomEdge,True)还需要根据窗口状态更新四个窗口边缘对象的位置和大小，具体使用见完整代码。5、完整代码 项目结构：images：UI界面资源文件modules：    app_functions.py：软件功能具体程序    custon_grips.py：自定义组件类    resources_rc.py：qrc的py文件    ui_functions.py：UI功能具体程序    ui_main.py：ui的py文件本示例将主窗口的入口程序放到了main.py，将UI界面功能的程序放到了ui_functions.py，通过子类unctions继承父类MyWindow，来实现代码分离：main.py:fromPySide6.QtCoreimportQt,QPointfromPySide6.QtWidgetsimportQApplication,QMainWindow,QButtonGroupfrommodulesimport*classMyWindow(QMainWindow):def__init__(self):super().__init__()self.ui=Ui_MainWindow()globalwidgetwidget=self.uiself.ui.setupUi(self)#设置UI功能#===============================================UIFunctions.ui_definitions(self)defmousePressEvent(self,event):ifevent.button()==Qt.LeftButtonandself.ui.top_bar.geometry().contains(event.position().toPoint()):self.old_pos=event.globalPosition().toPoint()defmouseMoveEvent(self,event):ifself.old_posisnotNone:delta=QPoint(event.globalPosition().toPoint()-self.old_pos)self.move(self.x()+delta.x(),self.y()+delta.y())self.old_pos=event.globalPosition().toPoint()defmouseReleaseEvent(self,event):self.old_pos=NonedefresizeEvent(self,event):UIFunctions.resize_grips(self)if__name__=='__main__':app=QApplication([])window=MyWindow()window.show()app.exec()ui_functions.py：fromPySide6.QtCoreimportQt,QTimer,QEventfrom.custom_gripsimportCustomGripfrommainimportMyWindowGLOBAL_STATE=FalseGLOBAL_TITLE_BAR=TrueclassUIFunctions(MyWindow):#最大化/还原defmaximize_restore(self):globalGLOBAL_STATEstatus=GLOBAL_STATEifstatus==False:self.showMaximized()GLOBAL_STATE=Trueself.left_grip.hide()self.right_grip.hide()self.top_grip.hide()self.bottom_grip.hide()else:GLOBAL_STATE=Falseself.showNormal()self.resize(self.width()+1,self.height()+1)self.left_grip.show()self.right_grip.show()self.top_grip.show()self.bottom_grip.show()defresize_grips(self):self.left_grip.setGeometry(0,10,10,self.height())self.right_grip.setGeometry(self.width()-10,10,10,self.height())self.top_grip.setGeometry(0,0,self.width(),10)self.bottom_grip.setGeometry(0,self.height()-10,self.width(),10)defui_definitions(self):defdouble_click_max(event):#双击切换最大化ifevent.type()==QEvent.MouseButtonDblClickTimer.singleShot(250,lambda:UIFunctions.maximize_restore(self))self.ui.top_bar.mouseDoubleClickEvent=double_click_max#实例化四个CustomGrip对象，作为窗口边缘self.left_grip=CustomGrip(self,Qt.LeftEdge,True)self.right_grip=CustomGrip(self,Qt.RightEdge,True)self.top_grip=CustomGrip(self,Qt.TopEdge,True)self.bottom_grip=CustomGrip(self,Qt.BottomEdge,True)#最大化self.ui.btn_max.clicked.connect(lambda:UIFunctions.maximize_restore(self))#隐藏栏self.setWindowFlags(Qt.WindowType.FramelessWindowHint)self.setAttribute(Qt.WA_TranslucentBackground)#最小化self.ui.btn_min.clicked.connect(self.showMinimized)#关闭self.ui.btn_close.clicked.connect(self.close)