import sys

from PyQt5.QtWidgets import QApplication, QDialog, QMainWindow, QMessageBox
from PyQt5.uic import loadUi

from main_window_ui import Ui_MainWindow


class Window(QMainWindow, Ui_MainWindow):
    def __init__(self, parent=None):
        super().__init__(parent)
        self.setupUi(self)
        self.connectSignalsSlots()

    def connectSignalsSlots(self):
        self.action_Exit.triggered.connect(self.close)
        self.action_Find_Replace.triggered.connect(self.findAndReplace)
        self.action_About.triggered.connect(self.about)

    def findAndReplace(self):
        dialog = FindReplaceDialog(self)
        dialog.exec()

    def about(self):
        QMessageBox.about(
            self,
            "About Sample Editor",
            "<p>A sample text editor app built with:</p>"
            "<p>- PyQt</p>"
            "<p>- Qt Designer</p>"
            "<p>- Python</p>",
        )


class FindReplaceDialog(QDialog):
    def __init__(self, parent=None):
        super().__init__(parent)
        loadUi("ui/find_replace.ui", self)


if __name__ == "__main__":
    app = QApplication(sys.argv)
    win = Window()
    win.show()
    sys.exit(app.exec())