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#!/usr/bin/env python
# vim: sts=4 sw=4 et
# GladeVcp MDI history widget
#
# Copyright (c) 2011 Pavel Shramov <shramov@mexmat.net>
#
# This program 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 2 of the License, or
# (at your option) any later version.
#
# This program 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.
import os, time, string
import gobject, gtk
from hal_widgets import _HalWidgetBase
import linuxcnc
from hal_glib import GStat
from hal_actions import _EMC_ActionBase, ensure_mode
class EMC_MDIHistory(gtk.VBox, _EMC_ActionBase):
__gtype_name__ = 'EMC_MDIHistory'
def __init__(self, *a, **kw):
gtk.VBox.__init__(self, *a, **kw)
self.gstat = GStat()
# if 'NO_FORCE_HOMING' is true, MDI commands are allowed before homing.
inifile = os.environ.get('INI_FILE_NAME', '/dev/null')
self.ini = linuxcnc.ini(inifile)
no_home_required = int(self.ini.find("TRAJ", "NO_FORCE_HOMING") or 0)
path = self.ini.find('DISPLAY', 'MDI_HISTORY_FILE') or '~/.axis_mdi_history'
self.filename = os.path.expanduser(path)
self.model = gtk.ListStore(str)
self.tv = gtk.TreeView()
self.tv.set_model(self.model)
self.cell = gtk.CellRendererText()
self.col = gtk.TreeViewColumn("Command")
self.col.pack_start(self.cell, True)
self.col.add_attribute(self.cell, 'text', 0)
self.tv.append_column(self.col)
self.tv.set_search_column(0)
self.tv.set_reorderable(False)
self.tv.set_headers_visible(True)
scroll = gtk.ScrolledWindow()
scroll.add(self.tv)
scroll.props.hscrollbar_policy = gtk.POLICY_AUTOMATIC
scroll.props.vscrollbar_policy = gtk.POLICY_AUTOMATIC
self.entry = gtk.Entry()
self.entry.set_icon_from_stock(gtk.ENTRY_ICON_SECONDARY, 'gtk-ok')
self.entry.connect('activate', self.submit)
self.entry.connect('icon-press', self.submit)
self.tv.connect('cursor-changed', self.select)
self.pack_start(scroll, True)
self.pack_start(self.entry, False)
self.gstat.connect('state-off', lambda w: self.set_sensitive(False))
self.gstat.connect('state-estop', lambda w: self.set_sensitive(False))
self.gstat.connect('interp-idle', lambda w: self.set_sensitive(self.machine_on() and ( self.is_all_homed() or no_home_required ) ))
self.gstat.connect('interp-run', lambda w: self.set_sensitive(not self.is_auto_mode()))
self.gstat.connect('all-homed', lambda w: self.set_sensitive(self.machine_on()))
self.reload()
self.show_all()
def reload(self):
self.model.clear()
try:
fp = open(self.filename)
except:
return
lines = map(str.strip, fp.readlines())
fp.close()
lines = filter(bool, lines)
for l in lines:
self.model.append((l,))
path = (len(lines)-1,)
self.tv.scroll_to_cell(path)
self.tv.set_cursor(path)
self.entry.set_text('')
def submit(self, *a):
cmd = self.entry.get_text()
if not cmd:
return
ensure_mode(self.stat, self.linuxcnc, linuxcnc.MODE_MDI)
try:
fp = open(self.filename, 'a')
fp.write(cmd + "\n")
fp.close()
except:
pass
self.linuxcnc.mdi(cmd)
last = self.model.append((cmd,))
path = self.model.get_path(last)
self.tv.scroll_to_cell(path)
self.tv.set_cursor(path)
self.entry.set_text('')
self.entry.grab_focus()
def select(self, w):
idx = w.get_cursor()[0]
if idx is None:
return
self.entry.set_text(self.model[idx][0])
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