PyQt5实现仿QQ贴边隐藏功能的实例代码
此程序大致功能为：可变换颜色，贴边隐藏。
变换颜色思路
QPalette([ˈpælət]调色板)类相当于对话框或控件的调色板，它管理着控件或窗体的所有颜色信息，每个窗体或控件都包含一个QPalette对象，在显示时按照它的QPalette对象中对各部分各状态下的颜色的描述来进行绘制。
实现代码
defPainting(self):
color=random.choice(["CCFFFF","CC6699","CC99FF","99CCFF"])
palette1=QPalette()
palette1.setColor(self.backgroundRole(),
QColor("#{}".format(color)))#改变窗体颜色
self.setPalette(palette1)
贴边隐藏思路
可以判断窗口的位置，当与边缘的距离小于某值时，再判断鼠标是否在窗口，判断是否隐藏窗口；
根据隐藏窗口的隐藏位置，获得某块区域，当鼠标在这个位置时，显示窗口。
实现代码
鼠标进入事件，调用hide_or_show判断是否该显示
defenterEvent(self,event):
self.hide_or_show('show',event)
鼠标离开事件，调用hide_or_show判断是否该隐藏
defleaveEvent(self,event):
self.hide_or_show('hide',event)
鼠标点击事件
defmousePressEvent(self,event): ifevent.button()==Qt.LeftButton: self.dragPosition=event.globalPos()-self.frameGeometry( ).topLeft() QApplication.postEvent(self,QEvent(174)) event.accept()
捕捉鼠标移动事件
defmouseMoveEvent(self,event): ifevent.buttons()==Qt.LeftButton: try: self.move(event.globalPos()-self.dragPosition) event.accept() except:pass
判断是否该隐藏
defhide_or_show(self,mode,event): pos=self.frameGeometry().topLeft() ifmode=='show'andself.moved: ifpos.x()+WINDOW_WEIGHT>=SCREEN_WEIGHT:#右侧显示 self.startAnimation(SCREEN_WEIGHT-WINDOW_WEIGHT+2,pos.y()) event.accept() self.moved=False elifpos.x()<=0:#左侧显示 self.startAnimation(0,pos.y()) event.accept() self.moved=False elifpos.y()<=0:#顶层显示 self.startAnimation(pos.x(),0) event.accept() self.moved=False elifmode=='hide': ifpos.x()+WINDOW_WEIGHT>=SCREEN_WEIGHT:#右侧隐藏 self.startAnimation(SCREEN_WEIGHT-2,pos.y()) event.accept() self.moved=True elifpos.x()<=2:#左侧隐藏 self.startAnimation(2-WINDOW_WEIGHT,pos.y()) event.accept() self.moved=True elifpos.y()<=2:#顶层隐藏 self.startAnimation(pos.x(),2-WINDOW_HEIGHT) event.accept() self.moved=True
将划入划出作为属性动画
defstartAnimation(self,width,height): animation=QPropertyAnimation(self,b"geometry",self) startpos=self.geometry() animation.setDuration(200) newpos=QRect(width,height,startpos.width(),startpos.height()) animation.setEndValue(newpos) animation.start()
完整代码
importsys,random
fromPyQt5.QtGuiimportQPalette,QColor
fromPyQt5.QtWidgetsimportQWidget,QVBoxLayout,QPushButton,\
QDesktopWidget,QApplication
fromPyQt5.QtCoreimportQt,QRect,QEvent,QPoint
fromPyQt5.QtimportQCursor,QPropertyAnimation
SCREEN_WEIGHT=1920
SCREEN_HEIGHT=1080
WINDOW_WEIGHT=300
WINDOW_HEIGHT=600
classUi_Form(QWidget):
def__init__(self):
self.moved=False
super(Ui_Form,self).__init__()
self.setupUi()
self.resize(WINDOW_WEIGHT,WINDOW_HEIGHT)
self.show()
defsetupUi(self):
self.setWindowFlags(Qt.FramelessWindowHint
|Qt.WindowStaysOnTopHint
|Qt.Tool)#去掉标题栏
self.widget=QWidget()
self.Layout=QVBoxLayout(self.widget)
self.Layout.setContentsMargins(0,0,0,0)
self.setLayout(self.Layout)
self.setWindowFlag(Qt.Tool)
self.main_widget=QWidget()
self.Layout.addWidget(self.main_widget)
self.paint=QPushButton(self.main_widget)
self.paint.setText("改变颜色")
self.paint.move(QPoint(120,200))
self.paint.clicked.connect(self.Painting)
self.exit=QPushButton(self.main_widget)
self.exit.setText("退出")
self.exit.move(QPoint(120,400))
self.exit.clicked.connect(lambda:exit(0))
self.setStyleSheet('''
QPushButton{
color:rgb(137,221,255);
background-color:rgb(37,121,255);
border-style:none;
border:1pxsolid#3f3f3f;
padding:5px;
min-height:20px;
border-radius:15px;
}
''')
defPainting(self):
color=random.choice(["CCFFFF","CC6699","CC99FF","99CCFF"])
palette1=QPalette()
palette1.setColor(self.backgroundRole(),
QColor("#{}".format(color)))#改变窗体颜色
self.setPalette(palette1)
defenterEvent(self,event):
self.hide_or_show('show',event)
defleaveEvent(self,event):
self.hide_or_show('hide',event)
defmousePressEvent(self,event):
ifevent.button()==Qt.LeftButton:
self.dragPosition=event.globalPos()-self.frameGeometry(
).topLeft()
QApplication.postEvent(self,QEvent(174))
event.accept()
defmouseMoveEvent(self,event):
ifevent.buttons()==Qt.LeftButton:
try:
self.move(event.globalPos()-self.dragPosition)
event.accept()
except:pass
#defmouseReleaseEvent(self,event):
#self.moved=True
#self.hide_or_show('show',event)
defhide_or_show(self,mode,event):
pos=self.frameGeometry().topLeft()
ifmode=='show'andself.moved:
ifpos.x()+WINDOW_WEIGHT>=SCREEN_WEIGHT:#右侧显示
self.startAnimation(SCREEN_WEIGHT-WINDOW_WEIGHT+2,pos.y())
event.accept()
self.moved=False
elifpos.x()<=0:#左侧显示
self.startAnimation(0,pos.y())
event.accept()
self.moved=False
elifpos.y()<=0:#顶层显示
self.startAnimation(pos.x(),0)
event.accept()
self.moved=False
elifmode=='hide':
ifpos.x()+WINDOW_WEIGHT>=SCREEN_WEIGHT:#右侧隐藏
self.startAnimation(SCREEN_WEIGHT-2,pos.y())
event.accept()
self.moved=True
elifpos.x()<=2:#左侧隐藏
self.startAnimation(2-WINDOW_WEIGHT,pos.y())
event.accept()
self.moved=True
elifpos.y()<=2:#顶层隐藏
self.startAnimation(pos.x(),2-WINDOW_HEIGHT)
event.accept()
self.moved=True
defstartAnimation(self,width,height):
animation=QPropertyAnimation(self,b"geometry",self)
startpos=self.geometry()
animation.setDuration(200)
newpos=QRect(width,height,startpos.width(),startpos.height())
animation.setEndValue(newpos)
animation.start()
if__name__=="__main__":
app=QApplication(sys.argv)
ui=Ui_Form()
sys.exit(app.exec_())
总结
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