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  • Committer: Bazaar Package Importer
  • Author(s): Daniel Holbach
  • Date: 2006-12-21 13:33:47 UTC
  • mfrom: (1.2.1 upstream)
  • mto: This revision was merged to the branch mainline in revision 5.
  • Revision ID: james.westby@ubuntu.com-20061221133347-xo9jg11afp5plcka
Tags: upstream-0.6.1
Import upstream version 0.6.1

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dogtail/trayicon.py
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# jhbuild - a build script for GNOME 1.x and 2.x
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# Copyright (C) 2001-2004 James Henstridge
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#
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#       trayicon.py: simple wrapper for zenity based tray icons
 
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#       trayicon.py: simple wrapper for zenity based tray icons
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA      02111-1307      USA
 
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA      02111-1307      USA
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import sys
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import os
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try:
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        import subprocess
 
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    import subprocess
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except ImportError:
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        # I know, let's add an ugly hack!
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        # Don't totally bail when not using python2.4 or newer.
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        # FIXME: since we aren't using any new functionality of subprocess, we
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        #    could just use the deprecated methods.
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        class subprocess:
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                PIPE = None
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                def Popen(cmd, close_fds, preexec_fn, stdin): return None
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                Popen = staticmethod(Popen)
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    # I know, let's add an ugly hack!
 
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    # Don't totally bail when not using python2.4 or newer.
 
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    # FIXME: since we aren't using any new functionality of subprocess, we
 
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    #    could just use the deprecated methods.
 
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    class subprocess:
 
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        PIPE = None
 
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        def Popen(cmd, close_fds, preexec_fn, stdin): return None
 
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        Popen = staticmethod(Popen)
 
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class TrayIcon:
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        def __init__(self):
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                self._run_zenity()
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        def _run_zenity(self):
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                # run zenity with stdout and stderr directed to /dev/null
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                def preexec():
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                        null = open('/dev/null', 'w')
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                        try:
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                                os.dup2(null.fileno(), sys.stdout.fileno())
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                                os.dup2(null.fileno(), sys.stderr.fileno())
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                        finally:
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                                null.close()
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                        os.setsid()
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                try:
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                        self.proc = subprocess.Popen(['zenity', '--notification',
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                                                                                 '--listen'],
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                                                                                 close_fds=True,
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                                                                                 preexec_fn=preexec,
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                                                                                 stdin=subprocess.PIPE)
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                except (OSError, IOError):
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                        self.proc = None
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        def close(self):
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                status = None
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                if self.proc:
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                        self.proc.stdin.close()
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                        status = self.proc.wait()
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                        self.proc = None
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                return status
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        def _send_cmd(self, cmd):
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                if not self.proc: return
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                if isinstance(cmd, unicode):
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                        cmd = cmd.encode('utf-8')
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                try:
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                        self.proc.stdin.write(cmd)
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                        self.proc.stdin.flush()
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                except (IOError, OSError), err:
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                        self.close()
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        def set_icon(self, icon):
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                self._send_cmd('icon: %s\n' % icon)
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        def set_tooltip(self, tooltip):
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                self._send_cmd('tooltip: %s\n' % tooltip)
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        def set_visible(self, visible):
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                if visible:
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                        visible = 'true'
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                else:
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                        visible = 'false'
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                self._send_cmd('visible: %s\n' % visible)
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    def __init__(self):
 
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        self._run_zenity()
 
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    def _run_zenity(self):
 
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        # run zenity with stdout and stderr directed to /dev/null
 
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        def preexec():
 
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            null = open('/dev/null', 'w')
 
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            try:
 
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                os.dup2(null.fileno(), sys.stdout.fileno())
 
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                os.dup2(null.fileno(), sys.stderr.fileno())
 
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            finally:
 
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                null.close()
 
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            os.setsid()
 
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        try:
 
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            self.proc = subprocess.Popen(['zenity', '--notification',
 
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                                                                     '--listen'],
 
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                                                                     close_fds=True,
 
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                                                                     preexec_fn=preexec,
 
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                                                                     stdin=subprocess.PIPE)
 
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        except (OSError, IOError):
 
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            self.proc = None
 
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    def close(self):
 
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        status = None
 
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        if self.proc:
 
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            self.proc.stdin.close()
 
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            status = self.proc.wait()
 
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            self.proc = None
 
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        return status
 
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    def _send_cmd(self, cmd):
 
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        if not self.proc: return
 
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        if isinstance(cmd, unicode):
 
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            cmd = cmd.encode('utf-8')
 
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        try:
 
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            self.proc.stdin.write(cmd)
 
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            self.proc.stdin.flush()
 
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        except (IOError, OSError), err:
 
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            self.close()
 
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    def set_icon(self, icon):
 
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        self._send_cmd('icon: %s\n' % icon)
 
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    def set_tooltip(self, tooltip):
 
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        self._send_cmd('tooltip: %s\n' % tooltip)
 
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    def set_visible(self, visible):
 
82
        if visible:
 
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            visible = 'true'
 
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        else:
 
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            visible = 'false'
 
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        self._send_cmd('visible: %s\n' % visible)