gr-fosphor/python/wx_sink_c.py

113 lines
3.4 KiB
Python

# -*- coding: utf-8 -*-
#
# Copyright 2013-2014 Sylvain Munaut <tnt@246tNt.com>
#
# This 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.
#
# This software 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 this software; see the file COPYING. If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
#
import numpy
import wx
import wx.glcanvas
from OpenGL import GL
from gnuradio import gr
from fosphor_swig import base_sink_c, wx_core_sink_c
import threading
class wx_sink_c(gr.hier_block2):
def __init__(self, parent, size=(600,600)):
gr.hier_block2.__init__(
self,
"wx_sink_c",
gr.io_signature(1, 1, gr.sizeof_gr_complex),
gr.io_signature(0, 0, 0),
)
# Create the GL Canvas (without context for now)
attribList = (wx.glcanvas.WX_GL_DOUBLEBUFFER, wx.glcanvas.WX_GL_RGBA)
self.win = wx.glcanvas.GLCanvas(parent, wx.ID_ANY,
attribList=attribList,
size=size,
style=wx.WANTS_CHARS
)
self.win.Bind(wx.EVT_SIZE, self._evt_size)
self.win.Bind(wx.EVT_KEY_DOWN, self._evt_key_down)
self.win.SetFocus()
self._gl_ctx = None
# Create the underlying WX sink core
self.sink = wx_core_sink_c(self._glctx_init, self._glctx_fini,
self._glctx_swap, self._glctx_update)
self.connect(self, self.sink)
def _evt_size(self, evt):
self.sink.pycb_reshape(*evt.GetSize())
def _evt_key_down(self, evt):
actions = {
wx.WXK_UP: base_sink_c.REF_DOWN,
wx.WXK_DOWN: base_sink_c.REF_UP,
wx.WXK_LEFT: base_sink_c.DB_PER_DIV_DOWN,
wx.WXK_RIGHT: base_sink_c.DB_PER_DIV_UP,
ord('Z'): base_sink_c.ZOOM_TOGGLE,
ord('W'): base_sink_c.ZOOM_WIDTH_UP,
ord('S'): base_sink_c.ZOOM_WIDTH_DOWN,
ord('D'): base_sink_c.ZOOM_CENTER_UP,
ord('A'): base_sink_c.ZOOM_CENTER_DOWN,
ord('Q'): base_sink_c.RATIO_UP,
ord('E'): base_sink_c.RATIO_DOWN,
wx.WXK_SPACE: base_sink_c.FREEZE_TOGGLE,
}
k = evt.GetKeyCode()
if k in actions:
self.sink.execute_ui_action(actions[k])
else:
evt.Skip()
def _glctx_init(self):
if self._gl_ctx is None:
self._gl_ctx = wx.glcanvas.GLContext(self.win)
self.win.SetCurrent(self._gl_ctx)
def _glctx_fini(self):
self._gl_ctx = None
def _glctx_swap(self):
self.win.SwapBuffers()
def _glctx_update(self):
self.win.SetCurrent(self._gl_ctx)
def __getattr__(self, attr):
try:
return gr.hier_block2.__getattr__(self, attr)
except:
return getattr(self.sink, attr)
def set_baseband_freq(self, bb_freq):
self.set_frequency_center(bb_freq)
def set_sample_rate(self, sample_rate):
self.set_frequency_span(sample_rate)