#! /usr/bin/env python

# (c) 2002 Jiri Baum

# Offered to the public 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.

# This code is made available on the understanding that it will not be used
# in safety-critical situations without a full and competent review.


# This is the widget naming wizard for hmi_gtk. For more details, see the
# documentation accessible through http://mat.sf.net

# $Id: widgetnamer,v 1.4 2002/04/22 16:35:03 mjsousa Exp $

from gtk import *
import string

toplevel = GtkWindow(WINDOW_TOPLEVEL)
toplevel.connect("destroy", mainquit)
table = GtkTable(7, 3, homogeneous=FALSE)
toplevel.add(table)

texts=[("point", "point name from matplc.conf (required)"),
       ("widget number", "numbered separately for each point"),
       ("type", ""), # dynamic, viz typesel
       ("parameter 1", ""), # dynamic, viz typesel
       ("parameter 2","") # dynamic, viz typesel
      ]
lbl=texts
comment=texts
i=0
for a in texts:
  lbl[i]=GtkLabel(a[0]);
  table.attach(lbl[i],0,1,i,i+1,xpadding=5,xoptions=0)
  lbl[i].show()

  comment[i]=GtkLabel(a[1]);
  table.attach(comment[i],2,3,i,i+1,xpadding=5)
  comment[i].show()

  i=i+1

result = GtkEntry()
def select_result(btn):
  result.select_region(0,-1)
  if result.get_text()=='':
    gdk_beep()
  point.grab_focus()
result.set_editable(FALSE)
table.attach(result,0,3,5,6)
result.show()

def recalculate(w):
  if (w!=None and
      w.get_type()==point.get_type() and
      string.find(w.get_text(),'.')!=-1
     ):
    gdk_beep()
    w.set_text(string.translate(w.get_text(),string.maketrans('.','_')))
  txt = '_' + point.get_text()
  if txt=='_':
    result.set_text('')
    return
  prefix = ''
  i = id.get_text()
  if i=='0':
    prefix = '.' + i
  else:
    txt = txt + '.' + i
  if type == 'bool':
    prefix = prefix + '.' + type
    for p in (p1, p2):
      i = p.get_text()
      if i=='':
	prefix = prefix + '.' + i
      else:
	txt = txt + prefix + '.' + i
	prefix = ''
  else:
    txt = txt + prefix + '.' + type
    prefix = ''
  result.set_text(txt)

btnbar = GtkTable(1,4,homogeneous=TRUE)
table.attach(btnbar,0,3,6,7)
btnbar.show()

selbtn = GtkButton('Select')
selbtn.connect("clicked", select_result)
btnbar.attach(selbtn,0,2,0,1)
selbtn.show()

def clear(w):
  for w in (point, p1, p2):
    w.set_text('')
  id.set_text('0')
  typemenu.set_history(0)
  typesel(None,'bool') #set_history doesn't call this
  #typesel also updates the comments and result fields
  point.grab_focus()

clrbtn = GtkButton('Clear')
clrbtn.connect("clicked", clear)
btnbar.attach(clrbtn,2,3,0,1)
clrbtn.show()

quitbtn = GtkButton('Quit')
quitbtn.connect("clicked", mainquit)
btnbar.attach(quitbtn,3,4,0,1)
quitbtn.show()

#now the actual settings
point = GtkEntry()
table.attach(point,1,2,0,1,xoptions=0)
point.connect("changed", recalculate)
point.show()
point.grab_focus()

id = GtkEntry()
id.set_text('0')
table.attach(id,1,2,1,2,xoptions=0)
id.connect("changed", recalculate)
id.show()

typecomments = {
  'bool': 'on/off',
  'i32': '32-bit signed integer (+/- 2 billion)',
  'i16': '16-bit signed integer (-32768 to 32767)',
  'i8': '8-bit signed integer (-128 to 127)',
  'u32': '32-bit unsigned integer (0 to 4 billion)',
  'u16': '16-bit unsigned integer (0 to 65536)',
  'u8': '8-bit unsigned integer (0 to 255)',
  'f32': 'floating-point number'
}
def typesel(w,t):
  global type
  type = t
  recalculate(w)
  comment[2].set_text(typecomments[t])
  if t=='bool':
    comment[3].set_text('text / image for ON')
    comment[4].set_text('text / image for OFF')
  else:
    comment[3].set_text('-')
    comment[4].set_text('-')

typebox = GtkHBox()
table.attach(typebox,1,2,2,3,xoptions=FILL)
typemenu = GtkOptionMenu()
typebox.pack_start(typemenu, expand=FALSE, fill=FALSE)
typemenu2 = GtkMenu()
types={}
for t in ('bool', 'f32', 'u32', 'u16', 'u8', 'i32', 'i16', 'i8'):
  types[t]=GtkMenuItem(t)
  types[t].show()
  types[t].connect('select', typesel, t)
  typemenu2.append(types[t])
typemenu.set_menu(typemenu2)
typemenu.show()
typebox.show()

p1 = GtkEntry()
table.attach(p1,1,2,3,4,xoptions=0)
p1.connect("changed", recalculate)
p1.show()

p2 = GtkEntry()
table.attach(p2,1,2,4,5,xoptions=0)
p2.connect("changed", recalculate)
p2.show()

#this can't be done until p1 and p2 are up
typesel(None,'bool')

for w in (result, point, id, p1, p2):
  w.connect('activate', select_result)

table.show()
toplevel.show()

mainloop()