xterm_widget.py
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00001 #!/usr/bin/python
00002 # -*- coding: utf-8 -*-
00003 # Software License Agreement (BSD License)
00004 #
00005 # Copyright (c) 2012, Dorian Scholz
00006 # All rights reserved.
00007 #
00008 # Redistribution and use in source and binary forms, with or without
00009 # modification, are permitted provided that the following conditions
00010 # are met:
00011 #
00012 #  * Redistributions of source code must retain the above copyright
00013 #    notice, this list of conditions and the following disclaimer.
00014 #  * Redistributions in binary form must reproduce the above
00015 #    copyright notice, this list of conditions and the following
00016 #    disclaimer in the documentation and/or other materials provided
00017 #    with the distribution.
00018 #  * Neither the name of Willow Garage, Inc. nor the names of its
00019 #    contributors may be used to endorse or promote products derived
00020 #    from this software without specific prior written permission.
00021 #
00022 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
00023 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
00024 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
00025 # FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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00027 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
00028 # BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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00033 # POSSIBILITY OF SUCH DAMAGE.
00034 
00035 import os
00036 
00037 from python_qt_binding.QtCore import QProcess, QTimer, Signal
00038 from python_qt_binding.QtGui import QX11EmbedContainer
00039 
00040 
00041 class XTermWidget(QX11EmbedContainer):
00042     xterm_cmd = '/usr/bin/xterm'
00043     close_signal = Signal()
00044 
00045     def __init__(self, parent=None):
00046         super(XTermWidget, self).__init__(parent)
00047         self.setObjectName('XTermWidget')
00048         self._process = QProcess(self)
00049         self._process.finished.connect(self.close_signal)
00050         # let the widget finish init before embedding xterm
00051         QTimer.singleShot(100, self._embed_xterm)
00052 
00053     def _embed_xterm(self):
00054         args = ['-into', str(self.winId())]
00055         self._process.start(self.xterm_cmd, args)
00056         if self._process.error() == QProcess.FailedToStart:
00057             print "failed to execute '%s'" % self.xterm_cmd
00058 
00059     def shutdown(self):
00060         self._process.kill()
00061         self._process.waitForFinished()
00062 
00063 
00064 def is_xterm_available():
00065     return os.path.isfile(XTermWidget.xterm_cmd)
00066 
00067 if __name__ == '__main__':
00068     from PyQt4.QtGui import QApplication
00069     app = QApplication([])
00070     xt = XTermWidget()
00071     app.exec_()


rqt_shell
Author(s): Dorian Scholz
autogenerated on Wed Sep 16 2015 06:58:18