Pyqt 트레이 프로그램

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</SOURCE LANG=PYTHON> from PyQt5.QtWidgets import QApplication, QMainWindow, QLabel, QGridLayout, QWidget, QCheckBox, QSystemTrayIcon, \

   QSpacerItem, QSizePolicy, QMenu, QAction, QStyle, qApp

from PyQt5.QtCore import QSize

class MainWindow(QMainWindow):

   """
        Сheckbox and system tray icons.
        Will initialize in the constructor.
   """
   check_box = None
   tray_icon = None

   # Override the class constructor
   def __init__(self):
       # Be sure to call the super class method
       QMainWindow.__init__(self)

       self.setMinimumSize(QSize(480, 80))             # Set sizes
       self.setWindowTitle("System Tray Application")  # Set a title
       central_widget = QWidget(self)                  # Create a central widget
       self.setCentralWidget(central_widget)           # Set the central widget

       grid_layout = QGridLayout(self)         # Create a QGridLayout
       central_widget.setLayout(grid_layout)   # Set the layout into the central widget
       grid_layout.addWidget(QLabel("Application, which can minimize to Tray", self), 0, 0)

       # Add a checkbox, which will depend on the behavior of the program when the window is closed
       self.check_box = QCheckBox('Minimize to Tray')
       grid_layout.addWidget(self.check_box, 1, 0)
       grid_layout.addItem(QSpacerItem(0, 0, QSizePolicy.Expanding, QSizePolicy.Expanding), 2, 0)

       # Init QSystemTrayIcon
       self.tray_icon = QSystemTrayIcon(self)
       self.tray_icon.setIcon(self.style().standardIcon(QStyle.SP_ComputerIcon))

       
           Define and add steps to work with the system tray icon
           show - show window
           hide - hide window
           exit - exit from application
       
       show_action = QAction("Show", self)
       quit_action = QAction("Exit", self)
       hide_action = QAction("Hide", self)
       show_action.triggered.connect(self.show)
       hide_action.triggered.connect(self.hide)
       quit_action.triggered.connect(qApp.quit)
       tray_menu = QMenu()
       tray_menu.addAction(show_action)
       tray_menu.addAction(hide_action)
       tray_menu.addAction(quit_action)
       self.tray_icon.setContextMenu(tray_menu)
       self.tray_icon.show()

   # Override closeEvent, to intercept the window closing event
   # The window will be closed only if there is no check mark in the check box
   def closeEvent(self, event):
       if self.check_box.isChecked():
           event.ignore()
           self.hide()
           self.tray_icon.showMessage(
               "Tray Program",
               "Application was minimized to Tray",
               QSystemTrayIcon.Information,
               2000
           )

if __name__ == "__main__":

   import sys

   app = QApplication(sys.argv)
   mw = MainWindow()
   mw.show()
   sys.exit(app.exec())

</SOURCE>

Pyqt 트레이 프로그램

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