initial fluent-widgets ui

examples/navigation/breadcrumb_bar/demo.py

@@ -0,0 +1,72 @@
+# coding:utf-8
+import sys
+
+from uuid import uuid1
+from PySide6.QtCore import Qt
+from PySide6.QtWidgets import QApplication, QWidget, QHBoxLayout, QStackedWidget, QVBoxLayout
+
+from qfluentwidgets import (BreadcrumbBar, setFont, setTheme, Theme, LineEdit, PrimaryToolButton,
+                            SubtitleLabel, FluentIcon)
+
+
+
+class Demo(QWidget):
+
+    def __init__(self):
+        super().__init__()
+        setTheme(Theme.DARK)
+        self.setStyleSheet('Demo{background:rgb(32,32,32)}')
+
+        self.breadcrumbBar = BreadcrumbBar(self)
+        self.stackedWidget = QStackedWidget(self)
+        self.lineEdit = LineEdit(self)
+        self.addButton = PrimaryToolButton(FluentIcon.SEND, self)
+
+        self.vBoxLayout = QVBoxLayout(self)
+        self.lineEditLayout = QHBoxLayout()
+
+        self.addButton.clicked.connect(lambda: self.addInterface(self.lineEdit.text()))
+        self.lineEdit.returnPressed.connect(lambda: self.addInterface(self.lineEdit.text()))
+        self.lineEdit.setPlaceholderText('Enter the name of interface')
+
+        # NOTE: adjust the size of breadcrumb item
+        setFont(self.breadcrumbBar, 26)
+        self.breadcrumbBar.setSpacing(20)
+        self.breadcrumbBar.currentItemChanged.connect(self.switchInterface)
+
+        self.addInterface('Home')
+        self.addInterface('Documents')
+
+        self.vBoxLayout.setContentsMargins(20, 20, 20, 20)
+        self.vBoxLayout.addWidget(self.breadcrumbBar)
+        self.vBoxLayout.addWidget(self.stackedWidget)
+        self.vBoxLayout.addLayout(self.lineEditLayout)
+
+        self.lineEditLayout.addWidget(self.lineEdit, 1)
+        self.lineEditLayout.addWidget(self.addButton)
+        self.resize(500, 500)
+
+    def addInterface(self, text: str):
+        if not text:
+            return
+
+        w = SubtitleLabel(text)
+        w.setObjectName(uuid1().hex)
+        w.setAlignment(Qt.AlignCenter)
+
+        self.lineEdit.clear()
+        self.stackedWidget.addWidget(w)
+        self.stackedWidget.setCurrentWidget(w)
+
+        # !IMPORTANT: add breadcrumb item
+        self.breadcrumbBar.addItem(w.objectName(), text)
+
+    def switchInterface(self, objectName):
+        self.stackedWidget.setCurrentWidget(self.findChild(SubtitleLabel, objectName))
+
+
+if __name__ == '__main__':
+    app = QApplication(sys.argv)
+    w = Demo()
+    w.show()
+    app.exec()