#!/usr/bin/env python

# -*- coding: utf-8 -*-

# This file is part of Beremiz, a Integrated Development Environment for

# programming IEC 61131-3 automates supporting plcopen standard and CanFestival.

#

# Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD

#

# See COPYING file for copyrights details.

#

# 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.

from __future__ import absolute_import

from functools import reduce

import wx

import wx.stc

from six.moves import xrange

if wx.Platform == '__WXMSW__':

faces = {

'times': 'Times New Roman',

'mono': 'Courier New',

'helv': 'Arial',

'other': 'Comic Sans MS',

'size': 10,

}

else:

faces = {

'times': 'Times',

'mono': 'FreeMono',

'helv': 'Helvetica',

'other': 'new century schoolbook',

'size': 12,

}

NAVIGATION_KEYS = [

wx.WXK_END,

wx.WXK_HOME,

wx.WXK_LEFT,

wx.WXK_UP,

wx.WXK_RIGHT,

wx.WXK_DOWN,

wx.WXK_PAGEUP,

wx.WXK_PAGEDOWN,

wx.WXK_NUMPAD_HOME,

wx.WXK_NUMPAD_LEFT,

wx.WXK_NUMPAD_UP,

wx.WXK_NUMPAD_RIGHT,

wx.WXK_NUMPAD_DOWN,

wx.WXK_NUMPAD_PAGEUP,

wx.WXK_NUMPAD_PAGEDOWN,

wx.WXK_NUMPAD_END]

def GetCursorPos(old, new):

if old == "":

return 0

old_length = len(old)

new_length = len(new)

common_length = min(old_length, new_length)

i = 0

for i in xrange(common_length):

if old[i] != new[i]:

break

if old_length < new_length:

if common_length > 0 and old[i] != new[i]:

return i + new_length - old_length

else:

return i + new_length - old_length + 1

elif old_length > new_length or i < min(old_length, new_length) - 1:

if common_length > 0 and old[i] != new[i]:

return i

else:

return i + 1

else:

return None

class CustomStyledTextCtrl(wx.stc.StyledTextCtrl):

def __init__(self, *args, **kwargs):

wx.stc.StyledTextCtrl.__init__(self, *args, **kwargs)

self.Bind(wx.EVT_MOTION, self.OnMotion)

def OnMotion(self, event):

if wx.Platform == '__WXMSW__':

if not event.Dragging():

x, _y = event.GetPosition()

margin_width = reduce(

lambda x, y: x + y,

[self.GetMarginWidth(i) for i in xrange(3)],

0)

if x <= margin_width:

self.SetCursor(wx.Cursor(wx.CURSOR_ARROW))

else:

self.SetCursor(wx.Cursor(wx.CURSOR_IBEAM))

else:

event.Skip()

else:

event.Skip()

def AppendText(self, text):

self.GotoPos(self.GetLength())

self.AddText(text)