main.py

import sys
import os
import platform

# IMPORT / GUI AND MODULES AND WIDGETS
from modules import *
from widgets import *
from PySide6.QtWidgets import QMainWindow, QApplication, QHeaderView, QGraphicsDropShadowEffect
from PySide6.QtGui import QIcon, QColor
from PySide6.QtCore import Qt, QTimer
from modules.ui_splash_screen import Ui_SplashScreen  # Corrected import statement

os.environ["QT_FONT_DPI"] = "96" # FIX Problem for High DPI and Scale above 100%

# SET AS GLOBAL WIDGETS
widgets = None

class SplashScreen(QMainWindow):
    def __init__(self):
        QMainWindow.__init__(self)
        self.ui = Ui_SplashScreen()
        self.ui.setupUi(self)

        # REMOVE TITLE BAR
        self.setWindowFlag(Qt.FramelessWindowHint)
        self.setAttribute(Qt.WA_TranslucentBackground)

        # DROP SHADOW EFFECT
        self.shadow = QGraphicsDropShadowEffect(self)
        self.shadow.setBlurRadius(20)
        self.shadow.setXOffset(0)
        self.shadow.setYOffset(0)
        self.shadow.setColor(QColor(0, 0, 0, 60))
        self.ui.dropShadowFrame.setGraphicsEffect(self.shadow)

        # QTIMER ==> START
        self.timer = QTimer()
        self.timer.timeout.connect(self.progress)
        self.timer.start(10) 

        # Initial Text
        self.ui.label_description.setText("<strong>WELCOME</strong> TO MY APPLICATION")

        # Change Texts
        QTimer.singleShot(1500, lambda: self.ui.label_description.setText("<strong>LOADING</strong> DATABASE"))
        QTimer.singleShot(3000, lambda: self.ui.label_description.setText("<strong>LOADING</strong> USER INTERFACE"))

        self.show()

    def progress(self):
        global counter
        self.ui.progressBar.setValue(counter)
        if counter > 100:
            self.timer.stop()
            self.main = MainWindow()
            self.main.show()
            self.close()
        counter += 1

class MainWindow(QMainWindow):
    def __init__(self):
        QMainWindow.__init__(self)

        # SET AS GLOBAL WIDGETS
        self.ui = Ui_MainWindow()
        self.ui.setupUi(self)
        global widgets
        widgets = self.ui

        # USE CUSTOM TITLE BAR | USE AS "False" FOR MAC OR LINUX  
        Settings.ENABLE_CUSTOM_TITLE_BAR = True

        # APP NAME
        title = "PyDracula - Modern GUI"
        description = "PyDracula APP - Theme with colors based on Dracula for Python."
        # APPLY TEXTS
        self.setWindowTitle(title)
        widgets.titleRightInfo.setText(description)

        # TOGGLE MENU
        widgets.toggleButton.clicked.connect(lambda: UIFunctions.toggleMenu(self, True))

        # SET UI DEFINITIONS
        UIFunctions.uiDefinitions(self)

        # QTableWidget PARAMETERS
        widgets.tableWidget.horizontalHeader().setSectionResizeMode(QHeaderView.Stretch)

        # BUTTONS CLICK

        # LEFT MENUS
        widgets.btn_home.clicked.connect(self.buttonClick)
        widgets.btn_widgets.clicked.connect(self.buttonClick)
        widgets.btn_new.clicked.connect(self.buttonClick)
        widgets.btn_save.clicked.connect(self.buttonClick)

        # EXTRA LEFT BOX
        def openCloseLeftBox():
            UIFunctions.toggleLeftBox(self, True)
        widgets.toggleLeftBox.clicked.connect(openCloseLeftBox)
        widgets.extraCloseColumnBtn.clicked.connect(openCloseLeftBox)

        # EXTRA RIGHT BOX
        def openCloseRightBox():
            UIFunctions.toggleRightBox(self, True)
        widgets.settingsTopBtn.clicked.connect(openCloseRightBox)

        # SHOW APP
        self.show()

        # SET CUSTOM THEME
        useCustomTheme = False
        themeFile = "themes\py_dracula_light.qss"

        # SET THEME AND HACKS
        if useCustomTheme:
            # LOAD AND APPLY STYLE
            UIFunctions.theme(self, themeFile, True)

            # SET HACKS
            AppFunctions.setThemeHack(self)

        # SET HOME PAGE AND SELECT MENU
        widgets.stackedWidget.setCurrentWidget(widgets.home)
        widgets.btn_home.setStyleSheet(UIFunctions.selectMenu(widgets.btn_home.styleSheet()))

    # BUTTONS CLICK
    # Post here your functions for clicked buttons
    def buttonClick(self):
        # GET BUTTON CLICKED
        btn = self.sender()
        btnName = btn.objectName()

        # SHOW HOME PAGE
        if btnName == "btn_home":
            widgets.stackedWidget.setCurrentWidget(widgets.home)
            UIFunctions.resetStyle(self, btnName)
            btn.setStyleSheet(UIFunctions.selectMenu(btn.styleSheet()))

        # SHOW WIDGETS PAGE
        if btnName == "btn_widgets":
            widgets.stackedWidget.setCurrentWidget(widgets.widgets)
            UIFunctions.resetStyle(self, btnName)
            btn.setStyleSheet(UIFunctions.selectMenu(btn.styleSheet()))

        # SHOW NEW PAGE
        if btnName == "btn_new":
            widgets.stackedWidget.setCurrentWidget(widgets.new_page) # SET PAGE
            UIFunctions.resetStyle(self, btnName) # RESET ANOTHERS BUTTONS SELECTED
            btn.setStyleSheet(UIFunctions.selectMenu(btn.styleSheet())) # SELECT MENU

        if btnName == "btn_save":
            print("Save BTN clicked!")

        # PRINT BTN NAME
        print(f'Button "{btnName}" pressed!')

    # RESIZE EVENTS
    def resizeEvent(self, event):
        # Update Size Grips
        UIFunctions.resize_grips(self)

    # MOUSE CLICK EVENTS
    def mousePressEvent(self, event):
        # SET DRAG POS WINDOW
        self.dragPos = event.globalPos()

        # PRINT MOUSE EVENTS
        if event.buttons() == Qt.LeftButton:
            print('Mouse click: LEFT CLICK')
        if event.buttons() == Qt.RightButton:
            print('Mouse click: RIGHT CLICK')

if __name__ == "__main__":
    counter = 0
    app = QApplication(sys.argv)
    app.setWindowIcon(QIcon("icon.ico"))

    splash = SplashScreen()
    sys.exit(app.exec_())