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# Copyright 2008, 2009 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# GNU Radio is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
#
# GNU Radio is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GNU Radio; see the file COPYING. If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
#
import wx
from gnuradio import gr
import panel
default_gui_size = (200, 100)
class top_block_gui(gr.top_block):
"""gr top block with wx gui app and grid sizer."""
def __init__(self, title='', size=default_gui_size):
"""
Initialize the gr top block.
Create the wx gui elements.
@param title the main window title
@param size the main window size tuple in pixels
@param icon the file path to an icon or None
"""
#initialize
gr.top_block.__init__(self)
self._size = size
#create gui elements
self._app = wx.App()
self._frame = wx.Frame(None, title=title)
self._panel = panel.Panel(self._frame)
self.Add = self._panel.Add
self.GridAdd = self._panel.GridAdd
self.GetWin = self._panel.GetWin
def SetIcon(self, *args, **kwargs): self._frame.SetIcon(*args, **kwargs)
def Run(self, start=True, max_nouts=0):
"""
Setup the wx gui elements.
Start the gr top block.
Block with the wx main loop.
"""
#set minimal window size
self._frame.SetSizeHints(*self._size)
#create callback for quit
def _quit(event):
self.stop(); self.wait()
self._frame.Destroy()
#setup app
self._frame.Bind(wx.EVT_CLOSE, _quit)
self._sizer = wx.BoxSizer(wx.VERTICAL)
self._sizer.Add(self._panel, 0, wx.EXPAND)
self._frame.SetSizerAndFit(self._sizer)
self._frame.SetAutoLayout(True)
self._frame.Show(True)
self._app.SetTopWindow(self._frame)
#start flow graph
if start:
if max_nouts != 0:
self.start(max_nouts)
else:
self.start()
#blocking main loop
self._app.MainLoop()
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