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 00026 # COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 00027 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 00028 # BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 00029 # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 00030 # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00031 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 00032 # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 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_()