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#!/usr/bin/env python
""" very light isa hmi mockup
prog de test infrastructure ivy + mini ihm type isa """
import traceback, time, os, sys, string, getopt
from Tkinter import *
from ivycpy import *
APPNAME = "vl_isa"
def lprint(fmt,*arg):
print APPNAME + ": " + fmt % arg
def usage(scmd):
lpathitem = string.split(scmd,'/')
fmt = '''Usage: %s [-h] [-b IVYBUS | --ivybus=IVYBUS] [-n APPNAME | --name=APPNAME]
where
\t-h provides the usage message;
\t-n APPNAME | --name=APPNAME
\t-b IVYBUS | --ivybus=IVYBUS allow to provide the IVYBUS string in the form
\t adresse:port eg. 127.255.255.255:2010
'''
print fmt % lpathitem[-1]
def oncxproc(connected):
if connected == IvyApplicationDisconnected :
lprint("an IvyApplication was Disconnected")
else:
lprint("an IvyApplication was Connected")
def ondieproc(id):
lprint("we ask me to die with id [%d]", id )
class TopLevel(Tk) :
__single = 0
def __init__(self,appname = "TopLevel"):
if TopLevel.__single != 0 :
lprint("TopLevel is singleton")
sys.exit(1)
__single = 1
# the object is tk_root
Tk.__init__(self)
self.appname = appname
self.title(self.appname)
# Frame contenant heure et bouton quit
self.tkFheadpanel = Frame(self)
# Label hour
self.tkLhour = Label(self.tkFheadpanel,text="hh:mm:ss")
self.tkLhour.pack(padx=4 , pady=4 , side = LEFT)
# dummy button
## self.tkBdummy = Button(self.tkFheadpanel,
## text="dummy", bg='pink')
## self.tkBdummy.pack(padx=4 , pady=4, side = RIGHT)
# button quit
self.tkBquit = Button(self.tkFheadpanel,
text="QUIT", bg='pink', command=self.quit)
self.tkBquit.pack(padx=4 , pady=4, side = RIGHT)
self.tkFheadpanel.pack(side=TOP)
# Frame contenant un Label, un Text et un Scroller
self.tkFreceive_msg = Frame(self)
# label
self.tkLreceive_msg = Label(self.tkFreceive_msg, text="flyingonthebus")
self.tkLreceive_msg.pack(padx=4 , pady=4,
side=TOP, fill = BOTH, expand = YES)
# Text
self.tkTreceive_msg = Text(self.tkFreceive_msg, height=26, width=50)
# Scrollbar
self.tkSBreceive_scroller = Scrollbar(
self.tkFreceive_msg,
command = self.tkTreceive_msg.yview)
self.tkTreceive_msg.configure(
yscrollcommand = self.tkSBreceive_scroller.set)
self.tkTreceive_msg.pack(padx=4 , pady=4,
side=LEFT, fill = BOTH, expand = YES)
self.tkSBreceive_scroller.pack(side=RIGHT, fill = Y)
self.tkFreceive_msg.pack(side=BOTTOM, fill = BOTH, expand = YES)
def add_one_msg(self, smsg) :
self.tkTreceive_msg.insert(END, "%s\n" % smsg )
def onmsgproc(self,*arg) :
self.add_one_msg(string.join(arg,""))
def quit(self):
# cleanup action before detroying tk_root
lprint("doing IvyStop")
IvyStop()
lprint("doing destroy" )
self.destroy()
lprint("after destroy")
lprint("done.")
## def ontick(self):
## lprint("on tick method")
## IvySendMsg("testtk_tick")
## self.after(1000,self.ontick)
# main prog
if __name__ == '__main__':
# setting some main variable
sivybus = ""
# getting option
try:
optlist, left_args = getopt.getopt(sys.argv[1:],'hb:n:', ['ivybus=','name'])
except getopt.GetoptError:
# print help information and exit:
usage(sys.argv[0])
sys.exit(2)
for o, a in optlist:
if o in ("-h", "--help"):
usage(sys.argv[0])
sys.exit()
elif o in ("-b", "--ivybus"):
sivybus = a
elif o in ("-n","--name"):
APPNAME = a
if sivybus != "" :
sechoivybus = sivybus
elif os.environ.has_key("IVYBUS"):
sechoivybus = os.environ["IVYBUS"]
else:
sechoivybus = "ivydefault"
lprint("Ivy will broadcast on %s " , sechoivybus)
# initializing ivy : isreadymsg
sisreadymsg = "[%s is ready]" % APPNAME
IvyInit(APPNAME, sisreadymsg, 1 , oncxproc, ondieproc )
IvyStart(sivybus)
# initializing top hmi part
mytoplevel = TopLevel("%s top window" % APPNAME)
# doing suited binding
IvyBindMsg(mytoplevel.onmsgproc , "(.*)")
mytoplevel.mainloop()
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