PySide6 Python+QML例程.zip

############################################################################# ## ## Copyright (C) 2019 The Qt Company Ltd. ## Contact: http://www.qt.io/licensing/ ## ## This file is part of the Qt for Python examples of the Qt Toolkit. ## ## $QT_BEGIN_LICENSE:BSD$ ## You may use this file under the terms of the BSD license as follows: ## ## "Redistribution and use in source and binary forms, with or without ## modification, are permitted provided that the following conditions are ## met: ## * Redistributions of source code must retain the above copyright ## notice, this list of conditions and the following disclaimer. ## * Redistributions in binary form must reproduce the above copyright ## notice, this list of conditions and the following disclaimer in ## the documentation and/or other materials provided with the ## distribution. ## * Neither the name of The Qt Company Ltd nor the names of its ## contributors may be used to endorse or promote products derived ## from this software without specific prior written permission. ## ## ## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT ## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT ## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ## ## $QT_END_LICENSE$ ## ############################################################################# import sys import os from pathlib import Path from PySide6.QtCore import QObject, Slot from PySide6.QtGui import QGuiApplication from PySide6.QtQml import QQmlApplicationEngine #from style_rc import * class Bridge(QObject): @Slot(str, result=str) def getColor(self, color_name): if color_name.lower() == "red": return "#ef9a9a" elif color_name.lower() == "green": return "#a5d6a7" elif color_name.lower() == "blue": return "#90caf9" else: return "white" @Slot(float, result=int) def getSize(self, s): size = int(s * 42) # Maximum font size if size <= 0: return 1 else: return size @Slot(str, result=bool) def getItalic(self, s): if s.lower() == "italic": return True else: return False @Slot(str, result=bool) def getBold(self, s): if s.lower() == "bold": return True else: return False @Slot(str, result=bool) def getUnderline(self, s): if s.lower() == "underline": return True else: return False if __name__ == '__main__': app = QGuiApplication(sys.argv) engine = QQmlApplicationEngine() # Instance of the Python object bridge = Bridge() # Expose the Python object to QML context = engine.rootContext() context.setContextProperty("con", bridge) # Get the path of the current directory, and then add the name # of the QML file, to load it. qmlFile = Path(__file__).parent / 'view.qml' engine.load(os.fspath(qmlFile.resolve())) if not engine.rootObjects(): sys.exit(-1) sys.exit(app.exec())