1

#!/usr/bin/env python

     2

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

     3

     4

import wx

     5

import wx.stc

     6

     7

if wx.Platform == '__WXMSW__':

     8

    faces = { 'times': 'Times New Roman',

     9

              'mono' : 'Courier New',

    10

              'helv' : 'Arial',

    11

              'other': 'Comic Sans MS',

    12

              'size' : 10,

    13

             }

    14

else:

    15

    faces = { 'times': 'Times',

    16

              'mono' : 'Courier',

    17

              'helv' : 'Helvetica',

    18

              'other': 'new century schoolbook',

    19

              'size' : 12,

    20

             }

    21

    22

def GetCursorPos(old, new):

    23

    if old == "":

    24

        return 0

    25

    old_length = len(old)

    26

    new_length = len(new)

    27

    common_length = min(old_length, new_length)

    28

    i = 0

    29

    for i in xrange(common_length):

    30

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

    31

            break

    32

    if old_length < new_length:

    33

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

    34

            return i + new_length - old_length

    35

        else:

    36

            return i + new_length - old_length + 1

    37

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

    38

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

    39

            return i

    40

        else:

    41

            return i + 1

    42

    else:

    43

        return None

    44

    45

class CustomStyledTextCtrl(wx.stc.StyledTextCtrl):

    46

    47

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

    48

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

    49

    50

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

    51

    52

    def OnMotion(self, event):

    53

        if wx.Platform == '__WXMSW__':

    54

            if not event.Dragging():

    55

                x, y = event.GetPosition()

    56

                margin_width = reduce(

    57

                        lambda x, y: x + y,

    58

                        [self.GetMarginWidth(i)

    59

                         for i in xrange(3)],

    60

                        0)

    61

                if x <= margin_width:

    62

                    self.SetCursor(wx.StockCursor(wx.CURSOR_ARROW))

    63

                else:

    64

                    self.SetCursor(wx.StockCursor(wx.CURSOR_IBEAM))

    65

            else:

    66

                event.Skip()

    67

        else:

    68

            event.Skip()

    69

    70

    def AppendText(self, text):

    71

        self.GotoPos(self.GetLength())

    72

        self.AddText(text)