pytde/templates/annotated/systray1.py

"""
A basic system tray application - you can combine this with code from
menuapp2.py or menuapp3.py to quickly build a full-blown application
framework.
"""

"""
Copyright 2003 Jim Bublitz

Terms and Conditions

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to
deal in the Software without restriction, including without limitation the
rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
sell copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

Except as contained in this notice, the name of the copyright holder shall
not be used in advertising or otherwise to promote the sale, use or other
dealings in this Software without prior written authorization from the
copyright holder.
"""

import sys

from PyTQt.tqt import TQLabel, TQWidget, SIGNAL
from tdecore import TDEApplication, TDEIcon, TDEIconLoader
from tdeui import TDEMainWindow, KSystemTray

# This template uses TDEMainWindow as the main window widget
# It solves the problem described in systray.py by using
# a flag to control the return value from queryClose - if
# :quit" is signalled from anywhere EXCEPT the system tray
# icon's menu, self.exitFlag == False, and as the return
# value for queryClose, it stops the application from shutting
# down; if self.exitFlag is True, the application shuts down

class MainWin (TDEMainWindow):
    def __init__ (self, *args):
        apply (TDEMainWindow.__init__, (self,) + args)

        self.exitFlag = False

        icons = TDEIconLoader ()

        # KSystemTray hides or shows its parent when the system tray icon is clicked
        self.systray = KSystemTray (self)
        self.systray.setPixmap (icons.loadIcon("process-stop", TDEIcon.Desktop))
        self.systray.connect (self.systray, SIGNAL ("quitSelected ()"), self.slotQuitSelected)
        self.systray.show ()

    # Controls whether or not the application really exits
    def queryClose (self):
        self.hide ()
        return self.exitFlag

    # Receives the signal emitted when the user selects Quit from the
    # system tray icon's menu
    def slotQuitSelected (self):
        self.exitFlag = True
        TDEApplication.kApplication ().quit ()

#-------------------- main ------------------------------------------------

# The usual stuff - you can also use the TDEAboutData/TDECmdLineArgs version
# for program startup used in other templates - the TDEApplication constructor
# used here may be obsoleted eventually
appName = "template"
app = TDEApplication (sys.argv, appName)
mainWindow = MainWin (None, "main window")

mainWindow.show()
app.exec_loop()