Import LinuxCNC source tree
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Wang Dequan
207
configs/sim/qtvcp_screens/qtvcp_experimental/lathehandler.py
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207
configs/sim/qtvcp_screens/qtvcp_experimental/lathehandler.py
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#!/usr/bin/env python3
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# vim: sts=4 sw=4 et
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# This is a component of EMC
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# savestate.py copyright 2013 Andy Pugh
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# based on code from
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# probe.py Copyright 2010 Michael Haberler
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#
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA''''''
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import os,sys
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from gladevcp.persistence import IniFile,widget_defaults,set_debug,select_widgets
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import hal
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import hal_glib
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import gtk
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import glib
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import linuxcnc
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import rsvg
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import cairo
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import signal
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import pango
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debug = 0
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class HandlerClass:
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active = False
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tab_num = 0
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def on_expose(self,nb,data=None):
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tab_num = nb.get_current_page()
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tab = nb.get_nth_page(tab_num)
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cr = tab.window.cairo_create()
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cr.set_operator(cairo.OPERATOR_OVER)
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x, y, w, h = tab.allocation
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sx, sy, sw, sh = self.svg.get_dimension_data()
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cr.translate(0, y)
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cr.scale(1.0 *w / sw, 1.0*h/sh)
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self.svg.render_cairo(cr = cr, id = '#layer%i' % tab_num)
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# This catches our messages from another program
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def event(self,w,event):
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print(event.message_type,event.data)
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if event.message_type == 'Gladevcp':
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if event.data[:7] == 'Visible':
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self.active = True
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self.visible.set(True)
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else:
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self.active = False
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self.visible.set(False)
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# We connect to client-events from the new toplevel widget
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def on_map_event(self, widget, data=None):
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top = widget.get_toplevel()
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print("map event")
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top.connect('client-event', self.event)
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def on_destroy(self,obj,data=None):
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self.ini.save_state(self)
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def on_restore_defaults(self,button,data=None):
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'''
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example callback for 'Reset to defaults' button
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currently unused
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'''
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self.ini.create_default_ini()
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self.ini.restore_state(self)
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def __init__(self, halcomp,builder,useropts):
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self.halcomp = halcomp
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self.builder = builder
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self.ini_filename = 'savestate.sav'
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self.defaults = { IniFile.vars: dict(),
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IniFile.widgets : widget_defaults(select_widgets(self.builder.get_objects(), hal_only=False,output_only = True))
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}
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self.ini = IniFile(self.ini_filename,self.defaults,self.builder)
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self.ini.restore_state(self)
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# A pin to use a physical switch to start the cycle
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self.cycle_start = hal_glib.GPin(halcomp.newpin('cycle-start', hal.HAL_BIT, hal.HAL_IN))
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self.cycle_start.connect('value-changed', self.cycle_pin)
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# A pin to mask cycle-start so that Touchy doesn't run auto.
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self.visible = hal_glib.GPin(halcomp.newpin('visible', hal.HAL_BIT, hal.HAL_OUT))
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# This catches the signal from Touchy to say that the tab is exposed
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t = self.builder.get_object('eventbox1')
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t.connect('map-event',self.on_map_event)
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t.add_events(gtk.gdk.STRUCTURE_MASK)
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self.cmd = linuxcnc.command()
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# This connects the expose event to re-draw and scale the SVG frames
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t = self.builder.get_object('tabs1')
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t.connect_after("expose_event", self.on_expose)
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t.connect("destroy", gtk.main_quit)
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t.add_events(gtk.gdk.STRUCTURE_MASK)
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self.svg = rsvg.Handle(file='LatheMacro.svg', )
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def show_keyb(self, obj, data=None):
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self.active_ctrl = obj
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self.keyb = self.builder.get_object('keyboard')
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self.entry = self.builder.get_object('entry1')
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self.entry.modify_font(pango.FontDescription("courier 42"))
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self.entry.set_text("")
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resp = self.keyb.run()
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def keyb_prev_click(self, obj, data=None):
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self.entry.set_text(self.active_ctrl.get_text())
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def keyb_number_click(self, obj, data=None):
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data = self.entry.get_text()
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data = data + obj.get_label()
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if data[-2:] in [ '/2', '/4', '/8']:
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v = data[:-2].split('.')
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if len(v) == 2:
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data = '%6.3f'%(float(v[0]) + float(v[1]) / float(data[-1:]))
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elif len(v) == 1:
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data = '%6.3f'%(float(v[0]) / float(data[-1:]))
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elif data[-3:] in [ '/16', '/32', '/64']:
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v = data[:-3].split('.')
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if len(v) == 2:
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data = '%6.3f'%(float(v[0]) + float(v[1]) / float(data[-2:]))
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elif len(v) == 1:
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data = '%6.3f'%(float(v[0]) / float(data[-2:]))
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self.entry.set_text(data)
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def keyb_pm_click(self, obj, data=None):
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data = self.entry.get_text()
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if data[0] == '-':
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data = data[1:]
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else:
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data = '-' + data
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self.entry.set_text(data)
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def keyb_convert_click(self, obj, data=None):
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v = float(self.entry.get_text())
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op = obj.get_label()
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if op == 'in->mm':
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v = v * 25.4
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elif op == 'mm->in':
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v = v / 25.4
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elif op == 'tpi->pitch':
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v = 25.4 / v
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elif op == 'pitch->tpi':
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v = 25.4 / v
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self.entry.set_text('%6.4f'%v)
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def keyb_del_click(self, obj, data=None):
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data = self.entry.get_text()
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data = data[:-1]
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self.entry.set_text(data)
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def keyb_clear_click(self, obj, data=None):
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self.entry.set_text('')
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def keyb_cancel_click(self, obj, data=None):
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self.keyb.hide()
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def keyb_ok_click(self, obj, data=None):
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if self.entry.get_text() != '':
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self.active_ctrl.set_value(float(self.entry.get_text()))
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self.keyb.hide()
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def set_alpha(self, obj, data = None):
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cr = obj.window.cairo_create()
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cr.set_source_rgba(1.0, 1.0, 1.0, 0.0)
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def cycle_pin(self, pin, data = None):
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if pin.get() == 0:
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return
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print('cycle pin')
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if self.active:
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nb = self.builder.get_object('tabs1')
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print('current tab', nb.get_current_page())
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tab = nb.get_nth_page(nb.get_current_page())
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for c in tab.get_children():
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if c.name.partition('.')[2] == 'action':
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self.cmd.abort()
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self.cmd.mode(linuxcnc.MODE_MANUAL)
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self.cmd.wait_complete()
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c.emit('clicked')
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def gash(self, obj, data = None):
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print('event', data)
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def get_handlers(halcomp,builder,useropts):
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global debug
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for cmd in useropts:
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exec cmd in globals()
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set_debug(debug)
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return [HandlerClass(halcomp,builder,useropts)]
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