191 lines
6.5 KiB
Python
191 lines
6.5 KiB
Python
# coding:utf-8
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import sys
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from PySide6.QtCore import Qt, QEvent
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from PySide6.QtGui import QIcon
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from PySide6.QtWidgets import QApplication, QStackedWidget, QHBoxLayout, QLabel, QWidget, QVBoxLayout
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from qfluentwidgets import (NavigationInterface, NavigationItemPosition, NavigationWidget, MessageBox,
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isDarkTheme, setTheme, Theme, setThemeColor, NavigationToolButton, NavigationPanel)
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from qfluentwidgets import FluentIcon as FIF
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from qframelesswindow import FramelessWindow, StandardTitleBar
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class Widget(QWidget):
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def __init__(self, text: str, parent=None):
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super().__init__(parent=parent)
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self.label = QLabel(text, self)
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self.hBoxLayout = QHBoxLayout(self)
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self.label.setAlignment(Qt.AlignCenter)
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self.hBoxLayout.addWidget(self.label, 1, Qt.AlignCenter)
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self.setObjectName(text.replace(' ', '-'))
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class NavigationBar(QWidget):
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""" Navigation widget """
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def __init__(self, parent=None):
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super().__init__(parent=parent)
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self.hBoxLayout = QHBoxLayout(self)
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self.menuButton = NavigationToolButton(FIF.MENU, self)
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self.navigationPanel = NavigationPanel(parent, True)
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self.titleLabel = QLabel(self)
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self.navigationPanel.move(0, 31)
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self.hBoxLayout.setContentsMargins(5, 5, 5, 5)
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self.hBoxLayout.addWidget(self.menuButton)
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self.hBoxLayout.addWidget(self.titleLabel)
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self.menuButton.clicked.connect(self.showNavigationPanel)
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self.navigationPanel.setExpandWidth(260)
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self.navigationPanel.setMenuButtonVisible(True)
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self.navigationPanel.hide()
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# enable acrylic effect
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self.navigationPanel.setAcrylicEnabled(True)
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self.window().installEventFilter(self)
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def setTitle(self, title: str):
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self.titleLabel.setText(title)
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self.titleLabel.adjustSize()
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def showNavigationPanel(self):
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self.navigationPanel.show()
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self.navigationPanel.raise_()
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self.navigationPanel.expand()
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def addItem(self, routeKey, icon, text: str, onClick, selectable=True, position= NavigationItemPosition.TOP):
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def wrapper():
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onClick()
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self.setTitle(text)
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self.navigationPanel.addItem(
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routeKey, icon, text, wrapper, selectable, position)
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def addSeparator(self, position=NavigationItemPosition.TOP):
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self.navigationPanel.addSeparator(position)
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def setCurrentItem(self, routeKey: str):
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self.navigationPanel.setCurrentItem(routeKey)
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self.setTitle(self.navigationPanel.widget(routeKey).text())
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def eventFilter(self, obj, e: QEvent):
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if obj is self.window():
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if e.type() == QEvent.Resize:
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self.navigationPanel.setFixedHeight(e.size().height() - 31)
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return super().eventFilter(obj, e)
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class Window(FramelessWindow):
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def __init__(self):
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super().__init__()
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self.setTitleBar(StandardTitleBar(self))
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# use dark theme mode
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# setTheme(Theme.DARK)
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# change the theme color
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# setThemeColor('#0078d4')
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self.vBoxLayout = QVBoxLayout(self)
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self.navigationInterface = NavigationBar(self)
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self.stackWidget = QStackedWidget(self)
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# create sub interface
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self.searchInterface = Widget('Search Interface', self)
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self.musicInterface = Widget('Music Interface', self)
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self.videoInterface = Widget('Video Interface', self)
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self.folderInterface = Widget('Folder Interface', self)
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self.settingInterface = Widget('Setting Interface', self)
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self.stackWidget.addWidget(self.searchInterface)
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self.stackWidget.addWidget(self.musicInterface)
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self.stackWidget.addWidget(self.videoInterface)
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self.stackWidget.addWidget(self.folderInterface)
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self.stackWidget.addWidget(self.settingInterface)
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# initialize layout
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self.initLayout()
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# add items to navigation interface
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self.initNavigation()
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self.initWindow()
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def initLayout(self):
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self.vBoxLayout.setSpacing(0)
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self.vBoxLayout.setContentsMargins(0, self.titleBar.height(), 0, 0)
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self.vBoxLayout.addWidget(self.navigationInterface)
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self.vBoxLayout.addWidget(self.stackWidget)
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self.vBoxLayout.setStretchFactor(self.stackWidget, 1)
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def initNavigation(self):
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self.addSubInterface(self.searchInterface, FIF.SEARCH, 'Search')
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self.addSubInterface(self.musicInterface, FIF.MUSIC, 'Music library')
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self.addSubInterface(self.videoInterface, FIF.VIDEO, 'Video library')
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self.navigationInterface.addSeparator()
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# add navigation items to scroll area
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self.addSubInterface(self.folderInterface, FIF.FOLDER, 'Folder library', NavigationItemPosition.SCROLL)
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# add item to bottom
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self.addSubInterface(self.settingInterface, FIF.SETTING, 'Settings', NavigationItemPosition.BOTTOM)
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self.stackWidget.currentChanged.connect(self.onCurrentInterfaceChanged)
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self.stackWidget.setCurrentIndex(1)
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def addSubInterface(self, w: QWidget, icon, text, position=NavigationItemPosition.TOP):
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self.stackWidget.addWidget(w)
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self.navigationInterface.addItem(
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routeKey=w.objectName(),
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icon=icon,
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text=text,
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onClick=lambda: self.switchTo(w),
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position=position
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)
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def initWindow(self):
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self.resize(500, 600)
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self.setWindowIcon(QIcon('resource/logo.png'))
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self.setWindowTitle('PyQt-Fluent-Widgets')
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self.titleBar.setAttribute(Qt.WA_StyledBackground)
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desktop = QApplication.screens()[0].availableGeometry()
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w, h = desktop.width(), desktop.height()
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self.move(w//2 - self.width()//2, h//2 - self.height()//2)
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self.setQss()
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def setQss(self):
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color = 'dark' if isDarkTheme() else 'light'
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with open(f'resource/{color}/demo.qss', encoding='utf-8') as f:
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self.setStyleSheet(f.read())
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def switchTo(self, widget):
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self.stackWidget.setCurrentWidget(widget)
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def onCurrentInterfaceChanged(self, index):
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widget = self.stackWidget.widget(index)
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self.navigationInterface.setCurrentItem(widget.objectName())
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def showMessageBox(self):
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w = MessageBox(
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'This is a help message',
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'You clicked a customized navigation widget. You can add more custom widgets by calling `NavigationInterface.addWidget()` 😉',
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self
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)
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w.exec()
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if __name__ == '__main__':
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app = QApplication(sys.argv)
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w = Window()
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w.show()
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app.exec()
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