tests/wiimote/py_ext_0@py_ext/pyfile.xml
author Andrey Skvortsov <andrej.skvortzov@gmail.com>
Fri, 13 Jan 2017 19:51:36 +0300
changeset 1631 940e20a8865b
parent 1185 b36755d7c19e
permissions -rw-r--r--
fix issue with printing scheme (FBD, LD or SFC) with comment element on GNU/Linux

If you draw FBD scheme and place comment on it and then try to print
it, then no wires will be printed and comment box is empty (text is
missing). This happens only for wx.PrinterDC and not on wx.MemoryDC
that is used to draw print preview window in Beremiz IDE.
Looks like a bug in wxPython or wxWidgets.

There were found several workaround for this issue.
1) If some dc.DrawLines call is placed before dc.DrawPolygon, then the
problem is gone.

...
dc.DrawLines(polygon)
dc.DrawPolygon(polygon)
...

2) Reseting DC brush solves the problem as well (see this changeset).
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<PyFile>
  <variables>
    <variable name="WiiNunchuckStickX" type="INT"/>
    <variable name="WiiNunchuckStickY" type="INT"/>
    <variable name="WiiNunchuckAccX" type="INT"/>
    <variable name="WiiNunchuckAccY" type="INT"/>
    <variable name="WiiNunchuckAccZ" type="INT"/>
    <variable name="WiiNunchuckButtons" type="WORD"/>
    <variable name="WiiButtons" type="WORD"/>
  </variables>
  <globals>
<![CDATA[
import cwiid,commands,sys,re,os,time

wiimote = None
WIIMOTE_ADDR_MODEL = re.compile("((?:[0-9A-F]{2})(?::[0-9A-F]{2}){5})\s*Nintendo")
nunchuckzero = None

def Wiimote_cback(messages, time):
    global nunchuckzero
    state = dict(messages)
    bts = state.get(cwiid.MESG_BTN, None)
    if bts is not None:
        PLCGlobals.WiiButtons = bts
    nunchuck = state.get(cwiid.MESG_NUNCHUK, None)
    if nunchuck is not None:
        PLCGlobals.WiiNunchuckButtons = nunchuck['buttons']
        X,Y = nunchuck['stick']
        PLCGlobals.WiiNunchuckAccX = nunchuck['acc'][cwiid.X]
        PLCGlobals.WiiNunchuckAccY = nunchuck['acc'][cwiid.Y]
        PLCGlobals.WiiNunchuckAccZ = nunchuck['acc'][cwiid.Z]
        if nunchuckzero is None:
            nunchuckzero = X,Y
        (PLCGlobals.WiiNunchuckStickX,
         PLCGlobals.WiiNunchuckStickY) = X-nunchuckzero[0],Y-nunchuckzero[1]

def Connect_Wiimote(connected_callback):
    global wiimote,nunchuckzero
    mac_addr = ''
    try:
        mac_addr = file("wiimac.txt","rt").read()
    except:
        PLCObject.LogMessage("Wiimote MAC unknown, scanning bluetooth")
        output = commands.getoutput("hcitool scan")
        result = WIIMOTE_ADDR_MODEL.search(output)
        if result is not None:
            mac_addr = result.group(1)
            PLCObject.LogMessage("Found Wiimote with MAC %s"%mac_addr)
            file("wiimac.txt","wt").write(mac_addr)
 
    # Connect to wiimote
    if not mac_addr:
        PLCObject.LogMessage("Connection to unknown Wiimote...")
        wiimote = cwiid.Wiimote()
    else:
        PLCObject.LogMessage("Connection to Wiimote %s..."%mac_addr)
        wiimote = cwiid.Wiimote(mac_addr)

    if wiimote is not None:
        nunchuckzero = None
        wiimote.rpt_mode = cwiid.RPT_BTN | cwiid.RPT_EXT
        # use the callback interface
        wiimote.mesg_callback = Wiimote_cback
        wiimote.enable(cwiid.FLAG_MESG_IFC)
        connected_callback(mac_addr)
        PLCObject.LogMessage("Wiimote %s Connected"%mac_addr)
    else:
        PLCObject.LogMessage("Wiimote %s not found"%mac_addr)
        os.remove("wiimac.txt")
        connected_callback(None)

def Disconnect_Wiimote():
  global wiimote
  if wiimote is not None:
    wiimote.disable(cwiid.FLAG_MESG_IFC)
    time.sleep(0.1)
    wiimote.close()
    wiimote = None
    PLCObject.LogMessage("Wiimote disconnected")

]]>
  </globals>
  <init>
<![CDATA[
]]>
  </init>
  <cleanup>
<![CDATA[
Disconnect_Wiimote()

]]>
  </cleanup>
  <start>
<![CDATA[
]]>
  </start>
  <stop>
<![CDATA[
]]>
  </stop>
</PyFile>