# coding:utf-8 import sys from PySide6.QtCore import Qt, QRect, QUrl from PySide6.QtGui import QIcon, QPainter, QImage, QBrush, QColor, QFont, QDesktopServices from PySide6.QtWidgets import QApplication, QFrame, QStackedWidget, QHBoxLayout, QLabel from qfluentwidgets import (NavigationInterface,NavigationItemPosition, NavigationWidget, MessageBox, isDarkTheme, setTheme, Theme, qrouter) from qfluentwidgets import FluentIcon as FIF from qframelesswindow import FramelessWindow, TitleBar class Widget(QFrame): def __init__(self, text: str, parent=None): super().__init__(parent=parent) self.setObjectName(text.replace(' ', '-')) self.label = QLabel(text, self) self.label.setAlignment(Qt.AlignCenter) self.hBoxLayout = QHBoxLayout(self) self.hBoxLayout.addWidget(self.label, 1, Qt.AlignCenter) # leave some space for title bar self.hBoxLayout.setContentsMargins(0, 32, 0, 0) class AvatarWidget(NavigationWidget): """ Avatar widget """ def __init__(self, parent=None): super().__init__(isSelectable=False, parent=parent) self.avatar = QImage('resource/shoko.png').scaled( 24, 24, Qt.KeepAspectRatio, Qt.SmoothTransformation) def paintEvent(self, e): painter = QPainter(self) painter.setRenderHints( QPainter.SmoothPixmapTransform | QPainter.Antialiasing) painter.setPen(Qt.NoPen) if self.isPressed: painter.setOpacity(0.7) # draw background if self.isEnter: c = 255 if isDarkTheme() else 0 painter.setBrush(QColor(c, c, c, 10)) painter.drawRoundedRect(self.rect(), 5, 5) # draw avatar painter.setBrush(QBrush(self.avatar)) painter.translate(8, 6) painter.drawEllipse(0, 0, 24, 24) painter.translate(-8, -6) if not self.isCompacted: painter.setPen(Qt.white if isDarkTheme() else Qt.black) font = QFont('Segoe UI') font.setPixelSize(14) painter.setFont(font) painter.drawText(QRect(44, 0, 255, 36), Qt.AlignVCenter, 'zhiyiYo') class CustomTitleBar(TitleBar): """ Title bar with icon and title """ def __init__(self, parent): super().__init__(parent) # add window icon self.iconLabel = QLabel(self) self.iconLabel.setFixedSize(18, 18) self.hBoxLayout.insertSpacing(0, 10) self.hBoxLayout.insertWidget(1, self.iconLabel, 0, Qt.AlignLeft | Qt.AlignBottom) self.window().windowIconChanged.connect(self.setIcon) # add title label self.titleLabel = QLabel(self) self.hBoxLayout.insertWidget(2, self.titleLabel, 0, Qt.AlignLeft | Qt.AlignBottom) self.titleLabel.setObjectName('titleLabel') self.window().windowTitleChanged.connect(self.setTitle) def setTitle(self, title): self.titleLabel.setText(title) self.titleLabel.adjustSize() def setIcon(self, icon): self.iconLabel.setPixmap(QIcon(icon).pixmap(18, 18)) class Window(FramelessWindow): def __init__(self): super().__init__() self.setTitleBar(CustomTitleBar(self)) # use dark theme mode # setTheme(Theme.DARK) self.hBoxLayout = QHBoxLayout(self) self.navigationInterface = NavigationInterface( self, showMenuButton=True, showReturnButton=True) self.stackWidget = QStackedWidget(self) # create sub interface self.searchInterface = Widget('Search Interface', self) self.musicInterface = Widget('Music Interface', self) self.videoInterface = Widget('Video Interface', self) self.folderInterface = Widget('Folder Interface', self) self.settingInterface = Widget('Setting Interface', self) # initialize layout self.initLayout() # add items to navigation interface self.initNavigation() self.initWindow() def initLayout(self): self.hBoxLayout.setSpacing(0) self.hBoxLayout.setContentsMargins(0, 0, 0, 0) self.hBoxLayout.addWidget(self.navigationInterface) self.hBoxLayout.addWidget(self.stackWidget) self.hBoxLayout.setStretchFactor(self.stackWidget, 1) self.titleBar.raise_() self.navigationInterface.displayModeChanged.connect(self.titleBar.raise_) def initNavigation(self): # enable acrylic effect # self.navigationInterface.setAcrylicEnabled(True) self.addSubInterface(self.searchInterface, FIF.SEARCH, 'Search') self.addSubInterface(self.musicInterface, FIF.MUSIC, 'Music library') self.addSubInterface(self.videoInterface, FIF.VIDEO, 'Video library') self.navigationInterface.addSeparator() # add navigation items to scroll area self.addSubInterface(self.folderInterface, FIF.FOLDER, 'Folder library', NavigationItemPosition.SCROLL) # for i in range(1, 21): # self.navigationInterface.addItem( # f'folder{i}', # FIF.FOLDER, # f'Folder {i}', # lambda: print('Folder clicked'), # position=NavigationItemPosition.SCROLL # ) # add custom widget to bottom self.navigationInterface.addWidget( routeKey='avatar', widget=AvatarWidget(), onClick=self.showMessageBox, position=NavigationItemPosition.BOTTOM ) self.addSubInterface(self.settingInterface, FIF.SETTING, 'Settings', NavigationItemPosition.BOTTOM) #!IMPORTANT: don't forget to set the default route key qrouter.setDefaultRouteKey(self.stackWidget, self.musicInterface.objectName()) # set the maximum width # self.navigationInterface.setExpandWidth(300) self.stackWidget.currentChanged.connect(self.onCurrentInterfaceChanged) self.stackWidget.setCurrentIndex(1) def initWindow(self): self.resize(900, 700) self.setWindowIcon(QIcon('resource/logo.png')) self.setWindowTitle('PyQt-Fluent-Widgets') self.titleBar.setAttribute(Qt.WA_StyledBackground) desktop = QApplication.screens()[0].availableGeometry() w, h = desktop.width(), desktop.height() self.move(w//2 - self.width()//2, h//2 - self.height()//2) self.setQss() def addSubInterface(self, interface, icon, text: str, position=NavigationItemPosition.TOP): """ add sub interface """ self.stackWidget.addWidget(interface) self.navigationInterface.addItem( routeKey=interface.objectName(), icon=icon, text=text, onClick=lambda: self.switchTo(interface), position=position, tooltip=text ) def setQss(self): color = 'dark' if isDarkTheme() else 'light' with open(f'resource/{color}/demo.qss', encoding='utf-8') as f: self.setStyleSheet(f.read()) def switchTo(self, widget): self.stackWidget.setCurrentWidget(widget) def onCurrentInterfaceChanged(self, index): widget = self.stackWidget.widget(index) self.navigationInterface.setCurrentItem(widget.objectName()) qrouter.push(self.stackWidget, widget.objectName()) def showMessageBox(self): w = MessageBox( '支持作者🥰', '个人开发不易，如果这个项目帮助到了您，可以考虑请作者喝一瓶快乐水🥤。您的支持就是作者开发和维护项目的动力🚀', self ) w.yesButton.setText('来啦老弟') w.cancelButton.setText('下次一定') if w.exec(): QDesktopServices.openUrl(QUrl("https://afdian.net/a/zhiyiYo")) def resizeEvent(self, e): self.titleBar.move(46, 0) self.titleBar.resize(self.width()-46, self.titleBar.height()) if __name__ == '__main__': app = QApplication(sys.argv) w = Window() w.show() app.exec()