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import hal
# This is a handler file for using Gscreen's infrastructure
# to load a completely custom glade screen.
# The only things that really matters is that it's saved as a GTK builder project,
# the toplevel window is caller window1 (The default name) and you connect a destroy
# window signal else you can't close down linuxcnc
# standard handler call
def get_handlers(halcomp,builder,useropts,gscreen):
return [HandlerClass(halcomp,builder,useropts,gscreen)]
class HandlerClass:
# This will be pretty standard to gain access to everything
# emc is for control and status of linuxcnc
# data is important data from gscreen and linuxcnc
# widgets is all the widgets from the glade files
# gscreen is for access to gscreens methods
def __init__(self, halcomp,builder,useropts,gscreen):
self.emc = gscreen.emc
self.data = gscreen.data
self.widgets = gscreen.widgets
self.gscreen = gscreen
# This connects siganals without using glade's autoconnect method
# in this case to destroy the window
# it calls the method in gscreen: gscreen.on_window_destroy()
def connect_signals(self,handlers):
signal_list = [ ["window1","destroy", "on_window1_destroy"],]
for i in signal_list:
if len(i) == 3:
self.gscreen.widgets[i[0]].connect(i[1], self.gscreen[i[2]])
elif len(i) == 4:
self.gscreen.widgets[i[0]].connect(i[1], self.gscreen[i[2]],i[3])
# We don't want Gscreen to initialize it's regular widgets because this custom
# screen doesn't have most of them. So we add this function call.
# Since this custom screen uses gladeVCP magic for its interaction with linuxcnc
# We don't add much to this function, but we do want the window to display.
# init_show_window will do this
def initialize_widgets(self):
self.gscreen.init_show_windows()
# If we need extra HAL pins here is where we do it.
# Note you must import hal at the top of this script to do it.
# For gaxis there is no extra pins but since we don't want gscreen to
# add it's default pins we added this dunmmy function
def initialize_pins(self):
pass
# every 100 milli seconds this gets called
# add pass so gscreen doesn't try to update it's regular widgets or
# add the individual function names that you would like to call.
def periodic(self):
pass
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