PyQt5實現(xiàn)平滑移動側(cè)邊菜單欄效果的示例
更新時間：2025年05月14日 10:58:40 作者：JHC000000
本文主要介紹了PyQt5實現(xiàn)平滑移動側(cè)邊菜單欄效果的示例,文中通過示例代碼介紹的非常詳細,對大家的學習或者工作具有一定的參考學習價值,需要的朋友們下面隨著小編來一起學習學習吧
CDrawer.py
#!/usr/bin/env python
# encoding: utf-8
'''
@author: JHC
@license: None
@contact: JHC000abc@gmail.com
@file: CDrawer.py
@time: 2022/07/19/ 16:56
@desc:
'''
from PyQt5.QtCore import Qt, QPropertyAnimation, QEasingCurve, QPoint, QPointF
from PyQt5.QtGui import QMouseEvent
from PyQt5.QtWidgets import QWidget, QApplication
class CDrawer(QWidget):
LEFT, TOP, RIGHT, BOTTOM = range(4)
def __init__(self, *args, stretch=1 / 3, direction=0, widget=None, **kwargs):
super(CDrawer, self).__init__(*args, **kwargs)
self.setWindowFlags(self.windowFlags(
) | Qt.FramelessWindowHint | Qt.Popup | Qt.NoDropShadowWindowHint)
self.setAttribute(Qt.WA_StyledBackground, True)
self.setAttribute(Qt.WA_TranslucentBackground, True)
# 進入動畫
self.animIn = QPropertyAnimation(
self, duration=500, easingCurve=QEasingCurve.OutCubic)
self.animIn.setPropertyName(b'pos')
# 離開動畫
self.animOut = QPropertyAnimation(
self, duration=500, finished=self.onAnimOutEnd,
easingCurve=QEasingCurve.OutCubic)
self.animOut.setPropertyName(b'pos')
self.animOut.setDuration(500)
self.setStretch(stretch) # 占比
self.direction = direction # 方向
# 半透明背景
self.alphaWidget = QWidget(
self, objectName='CDrawer_alphaWidget',
styleSheet='#CDrawer_alphaWidget{background:rgba(55,55,55,100);}')
self.alphaWidget.setAttribute(Qt.WA_TransparentForMouseEvents, True)
self.setWidget(widget) # 子控件
def resizeEvent(self, event):
self.alphaWidget.resize(self.size())
super(CDrawer, self).resizeEvent(event)
def mousePressEvent(self, event):
pos = event.pos()
if pos.x() >= 0 and pos.y() >= 0 and self.childAt(pos) == None and self.widget:
if not self.widget.geometry().contains(pos):
self.animationOut()
return
super(CDrawer, self).mousePressEvent(event)
def show(self):
super(CDrawer, self).show()
parent = self.parent().window() if self.parent() else self.window()
if not parent or not self.widget:
return
# 設(shè)置Drawer大小和主窗口一致
self.setGeometry(parent.geometry())
geometry = self.geometry()
self.animationIn(geometry)
def animationIn(self, geometry):
"""進入動畫
:param geometry:
"""
if self.direction == self.LEFT:
# 左側(cè)抽屜
self.widget.setGeometry(
0, 0, int(geometry.width() * self.stretch), geometry.height())
self.widget.hide()
self.animIn.setStartValue(QPoint(-self.widget.width(), 0))
self.animIn.setEndValue(QPoint(0, 0))
self.animIn.start()
self.widget.show()
elif self.direction == self.TOP:
# 上方抽屜
self.widget.setGeometry(
0, 0, geometry.width(), int(geometry.height() * self.stretch))
self.widget.hide()
self.animIn.setStartValue(QPoint(0, -self.widget.height()))
self.animIn.setEndValue(QPoint(0, 0))
self.animIn.start()
self.widget.show()
elif self.direction == self.RIGHT:
# 右側(cè)抽屜
width = int(geometry.width() * self.stretch)
self.widget.setGeometry(
geometry.width() - width, 0, width, geometry.height())
self.widget.hide()
self.animIn.setStartValue(QPoint(self.width(), 0))
self.animIn.setEndValue(
QPoint(self.width() - self.widget.width(), 0))
self.animIn.start()
self.widget.show()
elif self.direction == self.BOTTOM:
# 下方抽屜
height = int(geometry.height() * self.stretch)
self.widget.setGeometry(
0, geometry.height() - height, geometry.width(), height)
self.widget.hide()
self.animIn.setStartValue(QPoint(0, self.height()))
self.animIn.setEndValue(
QPoint(0, self.height() - self.widget.height()))
self.animIn.start()
self.widget.show()
def animationOut(self):
"""離開動畫
"""
self.animIn.stop() # 停止進入動畫
geometry = self.widget.geometry()
if self.direction == self.LEFT:
# 左側(cè)抽屜
self.animOut.setStartValue(geometry.topLeft())
self.animOut.setEndValue(QPoint(-self.widget.width(), 0))
self.animOut.start()
elif self.direction == self.TOP:
# 上方抽屜
self.animOut.setStartValue(QPoint(0, geometry.y()))
self.animOut.setEndValue(QPoint(0, -self.widget.height()))
self.animOut.start()
elif self.direction == self.RIGHT:
# 右側(cè)抽屜
self.animOut.setStartValue(QPoint(geometry.x(), 0))
self.animOut.setEndValue(QPoint(self.width(), 0))
self.animOut.start()
elif self.direction == self.BOTTOM:
# 下方抽屜
self.animOut.setStartValue(QPoint(0, geometry.y()))
self.animOut.setEndValue(QPoint(0, self.height()))
self.animOut.start()
def onAnimOutEnd(self):
"""離開動畫結(jié)束
"""
# 模擬點擊外側(cè)關(guān)閉
QApplication.sendEvent(self, QMouseEvent(
QMouseEvent.MouseButtonPress, QPointF(-1, -1), Qt.LeftButton, Qt.NoButton, Qt.NoModifier))
def setWidget(self, widget):
"""設(shè)置子控件
:param widget:
"""
self.widget = widget
if widget:
widget.setParent(self)
self.animIn.setTargetObject(widget)
self.animOut.setTargetObject(widget)
def setEasingCurve(self, easingCurve):
"""設(shè)置動畫曲線
:param easingCurve:
"""
self.animIn.setEasingCurve(easingCurve)
def getStretch(self):
"""獲取占比
"""
return self.stretch
def setStretch(self, stretch):
"""設(shè)置占比
:param stretch:
"""
self.stretch = max(0.1, min(stretch, 0.9))
def getDirection(self):
"""獲取方向
"""
return self.direction
def setDirection(self, direction):
"""設(shè)置方向
:param direction:
"""
direction = int(direction)
if direction < 0 or direction > 3:
direction = self.LEFT
self.direction = direction
Qt.py
#!/usr/bin/env python
# encoding: utf-8
'''
@author: JHC
@license: None
@contact: JHC000abc@gmail.com
@file: QT.py
@time: 2022/07/19/ 16:53
@desc:
'''
from PyQt5.QtCore import Qt
from PyQt5.QtCore import *
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *
from CDrawer import CDrawer
import sys
import cgitb
sys.excepthook = cgitb.enable(1, None, 5, '')
from PyQt5.QtWidgets import QApplication
class DrawerWidget(QWidget):
def __init__(self, *args, **kwargs):
super(DrawerWidget, self).__init__(*args, **kwargs)
self.setAttribute(Qt.WA_StyledBackground, True)
self.setStyleSheet('DrawerWidget{background:white;}')
self.lineedit = QLineEdit(self)
layout = QVBoxLayout(self)
layout.addWidget(self.lineedit)
layout.addWidget(QPushButton('button', self,clicked=self._click))
layout.addWidget(QPushButton('button2', self, clicked=self._click2))
def _click(self):
if self.lineedit.text() != "":
print("框中輸入的文字為:{}".format(self.lineedit.text()))
self.lineedit.clear()
else:
print("框中未輸入的文字為")
def _click2(self):
print("沒用")
class Window(QWidget):
def __init__(self, *args, **kwargs):
super(Window, self).__init__(*args, **kwargs)
self.resize(480, 960)
self.entermouse = 0
self.flag = 0
self.x = 0
self.y = 0
# layout = QGridLayout(self)
# layout.addWidget(QPushButton('側(cè)邊欄', self, clicked=self.doOpenLeft), 1, 0)
def mouseMoveEvent(self, event):
print("-----------------------mouseMoveEvent-----------------------")
if self.entermouse == 1:
self.x = event.x()
self.y = event.y()
self.flag = 1
if self.x < 100 :
self.doOpenLeft()
self.update()
def mousePressEvent(self, event):
if self.entermouse == 1 and self.flag == 1 and event.button() == Qt.LeftButton:
self.x = event.x()
self.y = event.y()
print("按壓 ",self.x,self.y)
else:
pass
self.update()
def mouseReleaseEvent(self, event):
if self.entermouse == 1 and self.flag == 1 and event.button() == Qt.LeftButton:
self.x = event.x()
self.y = event.y()
print("松開 ", self.x, self.y)
else:
pass
self.update()
def enterEvent(self, *args, **kwargs):
if self.entermouse == 0:
self.entermouse = 1
else:
pass
def leaveEvent(self, *args, **kwargs):
if self.entermouse == 1:
self.entermouse = 0
else:
pass
def doOpenLeft(self):
if not hasattr(self, 'leftDrawer'):
self.leftDrawer = CDrawer(self, direction=CDrawer.LEFT)
self.leftDrawer.setWidget(DrawerWidget(self.leftDrawer))
self.leftDrawer.show()
def paintEvent(self, event):
super().paintEvent(event)
self.painter = QPainter()
self.painter.begin(self)
self.update()
if self.x != 0 and self.y != 0 and self.entermouse == 1:
# print("self.x,self.y ",self.x,self.y)
self.update()
else:
self.update()
self.update()
self.painter.end()
if __name__ == '__main__':
app = QApplication(sys.argv)
w = Window()
w.show()
sys.exit(app.exec_())到此這篇關(guān)于PyQt5實現(xiàn)平滑移動側(cè)邊菜單欄效果的示例的文章就介紹到這了,更多相關(guān)PyQt5 平滑移動側(cè)邊菜單欄內(nèi)容請搜索腳本之家以前的文章或繼續(xù)瀏覽下面的相關(guān)文章希望大家以后多多支持腳本之家！
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