scyther/gui/Gui/Attackwindow.py
2007-06-11 14:12:33 +02:00

256 lines
7.6 KiB
Python

#!/usr/bin/python
"""
Scyther : An automatic verifier for security protocols.
Copyright (C) 2007 Cas Cremers
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 Street, Fifth Floor, Boston, MA 02110-1301, USA.
"""
#---------------------------------------------------------------------------
""" Import externals """
import wx
import time
#---------------------------------------------------------------------------
""" Import scyther-gui components """
import Icon
import Preference
#---------------------------------------------------------------------------
if Preference.usePIL():
import Image
#---------------------------------------------------------------------------
class AttackDisplay(wx.ScrolledWindow):
"""
Display an attack (inside a tab or not)
"""
def __init__(self, daddy, parent, attack):
self.win = daddy
self.attack = attack
wx.ScrolledWindow.__init__(self,parent,id=-1)
# [CC][X] The below statement might be iffy on older versions.
# (Python 2.3? What settings?)
# Cf. bug report Vimal Subra
try:
self.SetBackgroundColour(wx.Colour(255,255,255))
except:
pass
self.Bind(wx.EVT_SIZE, self.OnSize)
self.Image = wx.StaticBitmap(self, -1, wx.EmptyBitmap(1,1))
self.box = wx.BoxSizer(wx.VERTICAL)
self.box.Add(self.Image,1,wx.ALIGN_CENTER)
self.hbox = wx.BoxSizer(wx.HORIZONTAL)
self.hbox.Add(self.box,1,wx.ALIGN_CENTER)
self.SetSizer(self.hbox)
self.original = None
filename = attack.file
if attack.filetype == "png":
self.original = wx.Image(filename,wx.BITMAP_TYPE_PNG)
elif attack.filetype == "ps":
# depends on PIL lib
self.original = Image.open(filename)
else:
print "Unknown file type %s." % (self.filetype)
# TODO self.Bind(wxSizeEvent
self.update(True)
self.Fit()
def OnSize(self,event):
self.update(False)
event.Skip()
def update(self,force=True):
if not force:
if not self.win.fit:
return
# This is needed, don't ask me why.
self.SetScrollbars(0,0,0,0,0,0)
(framewidth,frameheight) = self.GetClientSizeTuple()
(virtualwidth,virtualheight) = (framewidth,frameheight)
def makefit(width,height):
if self.win.fit:
# determine scaling factors for fitting
wfactor = float(framewidth) / width
hfactor = float(frameheight) / height
# select smallest factor (so it will fit)
if hfactor < wfactor:
factor = hfactor
else:
factor = wfactor
# apply scaling factor
width = width * factor
height = height * factor
else:
factor = 1.0
return (factor, int(width), int(height))
if self.attack.filetype == "png":
bmp = self.original
if not bmp.Ok():
bmp = wx.EmptyImage(1,1)
else:
(originalwidth,originalheight) = (bmp.GetWidth(), bmp.GetHeight())
if self.win.fit:
(factor, virtualwidth, virtualheight) = makefit(originalwidth,originalheight)
bmp = self.original.Scale(virtualwidth,virtualheight)
self.Image.SetBitmap(wx.BitmapFromImage(bmp))
elif self.attack.filetype == "ps":
pil = self.original.copy()
(originalwidth,originalheight) = pil.size
(factor, virtualwidth, virtualheight) = makefit(originalwidth,originalheight)
# we really only want antialias when it's smaller
if factor < 1.0:
pil.thumbnail((virtualwidth,virtualheight),Image.ANTIALIAS)
else:
pil.thumbnail((virtualwidth,virtualheight))
image = wx.EmptyImage(pil.size[0],pil.size[1])
image.SetData(pil.convert('RGB').tostring())
self.Image.SetBitmap(image.ConvertToBitmap())
else:
print "Unknown file type %s." % (self.attack.filetype)
self.SetVirtualSize((virtualwidth,virtualheight))
#self.box.SetItemMinSize(self.Image.GetContainingSizer())
self.box.Layout()
step = 20
xn = int(virtualwidth / step) + 1
yn = int(virtualheight / step) + 1
self.SetScrollbars(step,step,xn,yn,0,0)
self.Refresh()
#---------------------------------------------------------------------------
class AttackWindow(wx.Frame):
def __init__(self,cl):
super(AttackWindow, self).__init__(None, size=(800,800))
# [CC][X] Same here; no background set for safety.
try:
self.SetBackgroundColour('Default')
except:
pass
self.claim = cl
# TODO maybe fitting defaults should come from Preferences.
# Now, it is default no even if we have PIL, for performance
# reasons.
self.fit = False
self.CreateInteriorWindowComponents()
Icon.ScytherIcon(self)
self.SetTitle()
def SetTitle(self):
tstr = self.claim.stateName(len(self.claim.attacks),True)
tstr += " for claim %s" % self.claim.id
super(AttackWindow, self).SetTitle(tstr)
def CreateInteriorWindowComponents(self):
''' Create "interior" window components. In this case it is the
attack picture. '''
sizer = wx.BoxSizer(wx.VERTICAL)
# Make zoom buttons
if Preference.usePIL():
buttons = wx.BoxSizer(wx.HORIZONTAL)
bt = wx.ToggleButton(self,-1,"Fit to window")
bt.SetValue(self.fit)
buttons.Add(bt,0)
self.Bind(wx.EVT_TOGGLEBUTTON, self.OnFit, bt)
sizer.Add(buttons, 0, wx.ALIGN_LEFT)
# Add attacks (possible with tabs)
self.displays=[]
attacks = self.claim.attacks
n = len(attacks)
if n <= 1:
# Just a single window
dp = AttackDisplay(self, self, attacks[0])
self.displays.append(dp)
else:
# Multiple tabs
dp = wx.Notebook(self,-1)
for i in range(0,n):
disp = AttackDisplay(self,dp,attacks[i])
classname = "%s %i" % (self.claim.stateName(1,True),(i+1))
dp.AddPage(disp, classname)
self.displays.append(disp)
sizer.Add(dp, 1, wx.EXPAND,1)
self.SetSizer(sizer)
def update(self,force=False):
for t in self.displays:
t.update(force)
def OnFit(self,event):
if self.fit:
self.fit = False
else:
self.fit = True
self.update(True)
def OnRealSize(self):
self.fit = False
self.update(True)
def OnSize(self):
self.Refresh()
def OnZoom100(self,evt):
self.fit = False
self.update(True)
self.Refresh()
def OnZoomFit(self,evt):
self.fit = True
self.update(True)
self.Refresh()