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# 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.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
import gtk
import re
from canvas import HalCanvas, ComponentList
from data import get_comp, get_pin, get_sig
class Design(gtk.Frame):
def __init__(self, parent):
self.app = parent
gtk.Frame.__init__(self)
self.file_name = ""
self.width = 640
self.height = 480
self.m_frame = 5
self.complist = []
self.siglist = []
sw = gtk.ScrolledWindow()
canvas_frame = gtk.Frame(label = "HAL Editor")
clist_frame = gtk.Frame(label = "Components")
self.canvas = HalCanvas(self)
canvas_frame.add(sw)
sw.add(self.canvas)
sw.set_shadow_type(gtk.SHADOW_IN)
self.clist = ComponentList(self)
clist_frame.add(self.clist)
paned = gtk.HPaned()
paned.set_border_width(2)
paned.pack1(canvas_frame, True, True)
paned.pack2(clist_frame, False, True)
paned.set_position(800)
self.add(paned)
def update(self):
dellist = self.complist[:]
if self.file_name:
f = open(self.file_name)
else:
return # This must be handled
state = 0
for line in f:
#line = re.sub(r"(\d+)\s*(\(\d+\))", r"\1\2", line)
if not line.strip():
state = 0
elif state == 0:
if line.strip() == "Loaded HAL Components:":
state = 1
if line.strip() == "Component Pins:":
state = 2
elif state == 1:
num, space, name = line.split()
if re.match("\D", num):
continue
comp = get_comp(self, num)
comp.name = name
comp.pins_in = []
comp.pins_out = []
comp.redraw()
try: dellist.remove(comp)
except ValueError: pass
elif state == 2:
dlist = line.split()
sigd, sig = None, None
num, dtype, perm, value, name = dlist[:5]
if len(dlist) == 7:
sigd, sig = dlist[-2:]
if re.match("\D", num):
continue
comp = get_comp(self, num)
name = '.'.join(name.split('.')[-2:])
pin = get_pin(comp, name, dtype, perm, value)
if perm.find('R') >= 0:
comp.pins_in.append(pin)
if perm.find('W') >= 0:
comp.pins_out.append(pin)
if sig:
signal = get_sig(self, sig, sigd)
signal.addpin(pin)
comp.redraw()
for comp in dellist[:]:
del comp
self.rearrange()
def rearrange(self):
comps = self.complist[:]
start = []
for comp in comps:
pin = None
for pin in comp.pins_in:
if pin.signal:
break
if not pin or not pin.signal:
start.append(comp)
cx, cy = 20, 20
while comps:
if start:
comp = start.pop()
if comp in comps:
comps.remove(comp)
else:
comp = comps.pop()
comp.x, comp.y = cx, cy
cx += comp.widget.width + 40
comp.redraw()
sig = None
for pin in comp.pins_out:
if pin.signal:
sig = pin.signal
#sig.x, sig.y = cx, cy
sig.move((cx, cy))
cy += 40
if sig.pinlist[0].component == comp:
newcomp = sig.pinlist[1].component
else:
newcomp = sig.pinlist[0].component
if not newcomp in start:
start.append(newcomp)
if sig:
cx += 60
cy = 20
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